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Annotation of texi2mdoc/main.c, Revision 1.45

1.45    ! kristaps    1: /*     $Id: main.c,v 1.44 2015/02/24 21:06:52 kristaps Exp $ */
1.1       kristaps    2: /*
                      3:  * Copyright (c) 2015 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
1.37      kristaps   17: #if defined(__linux__) || defined(__MINT__)
                     18: # define _GNU_SOURCE /* memmem */
                     19: #endif
1.1       kristaps   20: #include <assert.h>
                     21: #include <ctype.h>
                     22: #include <getopt.h>
1.2       kristaps   23: #include <libgen.h>
                     24: #include <limits.h>
1.1       kristaps   25: #include <stdarg.h>
                     26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
1.10      kristaps   29: #include <time.h>
1.1       kristaps   30:
1.24      kristaps   31: #include "extern.h"
1.1       kristaps   32:
1.23      kristaps   33: #define        SECTSZ 4
                     34: static const char *const sects[SECTSZ] = {
                     35:        "Sh",
                     36:        "Ss",
                     37:        "Em",
                     38:        "No",
                     39: };
                     40:
1.16      kristaps   41: static void doaccent(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.3       kristaps   42: static void doblock(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   43: static void dobracket(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     44: static void dobye(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.27      kristaps   45: static void dodefindex(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.15      kristaps   46: static void dodefn(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.3       kristaps   47: static void dodisplay(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.44      kristaps   48: static void doend(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.2       kristaps   49: static void doenumerate(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   50: static void doexample(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.8       kristaps   51: static void doignargn(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   52: static void doignblock(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     53: static void doignbracket(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     54: static void doignline(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.12      kristaps   55: static void doinline(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.2       kristaps   56: static void doinclude(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   57: static void doitem(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     58: static void doitemize(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.8       kristaps   59: static void dolink(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.30      kristaps   60: static void domacro(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.3       kristaps   61: static void domath(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.18      kristaps   62: static void domultitable(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   63: static void doquotation(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     64: static void dotable(struct texi *, enum texicmd, const char *, size_t, size_t *);
                     65: static void dotop(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.23      kristaps   66: static void dosecoffs(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   67: static void dosection(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.3       kristaps   68: static void dosp(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   69: static void dosubsection(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.23      kristaps   70: static void dosubsubsection(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   71: static void dosymbol(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.18      kristaps   72: static void dotab(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.10      kristaps   73: static void dotitle(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.24      kristaps   74: static void dovalue(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.25      kristaps   75: static void doverb(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.33      kristaps   76: static void doverbatim(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.16      kristaps   77: static void doverbinclude(struct texi *, enum texicmd, const char *, size_t, size_t *);
1.1       kristaps   78:
1.24      kristaps   79: static const struct texitok __texitoks[TEXICMD__MAX] = {
1.20      kristaps   80:        /* TEXICMD__BEGIN */
1.42      kristaps   81:        { doignline, "afourpaper", 10 }, /* TEXICMD_A4PAPER */
                     82:        { dosymbol, "AA", 2 }, /* TEXICMD_AA */
                     83:        { dosymbol, "aa", 2 }, /* TEXICMD_AASMALL */
1.8       kristaps   84:        { doignargn, "acronym", 7 }, /* TEXICMD_ACRONYM */
1.16      kristaps   85:        { doaccent, "'", 1 }, /* TEXICMD_ACUTE */
1.42      kristaps   86:        { dosymbol, "AE", 2 }, /* TEXICMD_AE */
                     87:        { dosymbol, "ae", 2 }, /* TEXICMD_AESMALL */
1.1       kristaps   88:        { doignbracket, "anchor", 6 }, /* TEXICMD_ANCHOR */
1.12      kristaps   89:        { dosection, "appendix", 8 }, /* TEXICMD_APPENDIX */
                     90:        { dosection, "appendixsec", 11 }, /* TEXICMD_APPENDIXSEC */
1.20      kristaps   91:        { dosubsection, "appendixsubsec", 14 }, /* TEXICMD_APPENDIXSUBSEC */
1.23      kristaps   92:        { dosubsubsection, "appendixsubsubsec", 17 }, /* TEXICMD_APPENDIXSUBSUBSEC */
1.25      kristaps   93:        { doinline, "asis", 4 }, /* TEXICMD_ASIS */
1.3       kristaps   94:        { dosymbol, "*", 1 }, /* TEXICMD_ASTERISK */
1.1       kristaps   95:        { dosymbol, "@", 1 }, /* TEXICMD_AT */
1.3       kristaps   96:        { doignline, "author", 6 }, /* TEXICMD_AUTHOR */
1.21      kristaps   97:        { doinline, "b", 1 }, /* TEXICMD_BOLD */
1.3       kristaps   98:        { dosymbol, "!", 1 }, /* TEXICMD_BANG */
1.7       kristaps   99:        { dosymbol, "bullet", 6 }, /* TEXICMD_BULLET */
1.1       kristaps  100:        { dobye, "bye", 3 }, /* TEXICMD_BYE */
1.34      kristaps  101:        { doblock, "cartouche", 9 }, /* TEXICMD_CARTOUCHE */
                    102:        { doaccent, ",", 1 }, /* TEXICMD_CEDILLA */
1.12      kristaps  103:        { doignline, "center", 6 }, /* TEXICMD_CENTER */
                    104:        { dosection, "chapter", 7 }, /* TEXICMD_CHAPTER */
1.1       kristaps  105:        { doignline, "cindex", 6 }, /* TEXICMD_CINDEX */
1.16      kristaps  106:        { doaccent, "^", 1 }, /* TEXICMD_CIRCUMFLEX */
1.24      kristaps  107:        { doinline, "cite", 4 }, /* TEXICMD_CITE */
                    108:        { dovalue, "clear", 5 }, /* TEXICMD_CLEAR */
1.21      kristaps  109:        { doinline, "code", 4 }, /* TEXICMD_CODE */
1.3       kristaps  110:        { dosymbol, ":", 1 }, /* TEXICMD_COLON */
1.18      kristaps  111:        { NULL, "columnfractions", 15 }, /* TEXICMD_COLUMNFRACTIONS */
1.35      kristaps  112:        { dosymbol, "comma", 5 }, /* TEXICMD_COMMA */
1.12      kristaps  113:        { doinline, "command", 7 }, /* TEXICMD_COMMAND */
1.1       kristaps  114:        { doignline, "c", 1 }, /* TEXICMD_COMMENT */
1.2       kristaps  115:        { doignline, "comment", 7 }, /* TEXICMD_COMMENT_LONG */
1.1       kristaps  116:        { doignline, "contents", 8 }, /* TEXICMD_CONTENTS */
                    117:        { doignblock, "copying", 7 }, /* TEXICMD_COPYING */
                    118:        { dosymbol, "copyright", 9 }, /* TEXICMD_COPYRIGHT */
1.27      kristaps  119:        { dodefindex, "defcodeindex", 12 }, /* TEXICMD_DEFCODEINDEX */
1.15      kristaps  120:        { dodefn, "deffn", 5 }, /* TEXICMD_DEFFN */
                    121:        { dodefn, "deffnx", 6 }, /* TEXICMD_DEFFNX */
1.27      kristaps  122:        { dodefindex, "defindex", 8 }, /* TEXICMD_DEFINDEX */
1.15      kristaps  123:        { dodefn, "defmac", 6 }, /* TEXICMD_DEFMAC */
                    124:        { dodefn, "defmacx", 7 }, /* TEXICMD_DEFMACX */
                    125:        { dodefn, "deftp", 5 }, /* TEXICMD_DEFTP */
                    126:        { dodefn, "deftpx", 6 }, /* TEXICMD_DEFTPX */
                    127:        { dodefn, "deftypefn", 9 }, /* TEXICMD_DEFTYPEFN */
                    128:        { dodefn, "deftypefnx", 10 }, /* TEXICMD_DEFTYPEFNX */
                    129:        { dodefn, "deftypefun", 10 }, /* TEXICMD_DEFTYPEFUN */
                    130:        { dodefn, "deftypefunx", 11 }, /* TEXICMD_DEFTYPEFUNX */
1.34      kristaps  131:        { dodefn, "deftypemethod", 13 }, /* TEXICMD_DEFTYPEMETHOD */
                    132:        { dodefn, "deftypemethodx", 14 }, /* TEXICMD_DEFTYPEMETHODX */
1.15      kristaps  133:        { dodefn, "deftypevar", 10 }, /* TEXICMD_DEFTYPEVAR */
                    134:        { dodefn, "deftypevarx", 11 }, /* TEXICMD_DEFTYPEVARX */
                    135:        { dodefn, "deftypevr", 9 }, /* TEXICMD_DEFTYPEVR */
                    136:        { dodefn, "deftypevrx", 10 }, /* TEXICMD_DEFTYPEVRX */
                    137:        { dodefn, "defun", 5 }, /* TEXICMD_DEFUN */
                    138:        { dodefn, "defunx", 6 }, /* TEXICMD_DEFUNX */
                    139:        { dodefn, "defvar", 6 }, /* TEXICMD_DEFVAR */
                    140:        { dodefn, "defvarx", 7 }, /* TEXICMD_DEFVARX */
                    141:        { dodefn, "defvr", 5 }, /* TEXICMD_DEFVR */
                    142:        { dodefn, "defvrx", 6 }, /* TEXICMD_DEFVRX */
1.1       kristaps  143:        { doignblock, "detailmenu", 10 }, /* TEXICMD_DETAILMENU */
1.21      kristaps  144:        { doinline, "dfn", 3 }, /* TEXICMD_DFN */
1.42      kristaps  145:        { dosymbol, "DH", 2 }, /* TEXICMD_DH */
                    146:        { dosymbol, "dh", 2 }, /* TEXICMD_DHSMALL */
1.1       kristaps  147:        { doignline, "dircategory", 11 }, /* TEXICMD_DIRCATEGORY */
                    148:        { doignblock, "direntry", 8 }, /* TEXICMD_DIRENTRY */
1.3       kristaps  149:        { dodisplay, "display", 7 }, /* TEXICMD_DISPLAY */
1.28      kristaps  150:        { doignbracket, "dmn", 3 }, /* TEXICMD_DMN */
1.40      kristaps  151:        { doignblock, "documentdescription", 19 }, /* TEXICMD_DOCUMENTDESCRIPTION */
                    152:        { doignline, "documentencoding", 16 }, /* TEXICMD_DOCUMENTENCODING */
1.44      kristaps  153:        { doignline, "documentlanguage", 16 }, /* TEXICMD_DOCUMENTLANGUAGE */
1.42      kristaps  154:        { doaccent, "dotaccent", 9 }, /* TEXICMD_DOTACCENT */
                    155:        { doaccent, "dotless", 7 }, /* TEXICMD_DOTLESS */
1.2       kristaps  156:        { dosymbol, "dots", 4 }, /* TEXICMD_DOTS */
1.8       kristaps  157:        { dolink, "email", 5 }, /* TEXICMD_EMAIL */
1.21      kristaps  158:        { doinline, "emph", 4 }, /* TEXICMD_EMPH */
1.44      kristaps  159:        { doend, "end", 3 }, /* TEXICMD_END */
1.34      kristaps  160:        { dosymbol, "enddots", 7 }, /* TEXICMD_ENDDOTS */
1.2       kristaps  161:        { doenumerate, "enumerate", 9 }, /* TEXICMD_ENUMERATE */
1.12      kristaps  162:        { doinline, "env", 3 }, /* TEXICMD_ENV */
1.28      kristaps  163:        { dosymbol, "equiv", 5 }, /* TEXICMD_EQUIV */
1.15      kristaps  164:        { dosymbol, "error", 5 }, /* TEXICMD_ERROR */
1.43      kristaps  165:        { dosymbol, "euro", 4 }, /* TEXICMD_EURO */
1.1       kristaps  166:        { doexample, "example", 7 }, /* TEXICMD_EXAMPLE */
1.42      kristaps  167:        { dosymbol, "exclamdown", 10 }, /* TEXICMD_EXCLAMDOWN */
1.25      kristaps  168:        { doignline, "exdent", 6 }, /* TEXICMD_EXDENT */
1.17      kristaps  169:        { dosymbol, "expansion", 9 }, /* TEXICMD_EXPANSION */
1.12      kristaps  170:        { doinline, "file", 4 }, /* TEXICMD_FILE */
1.17      kristaps  171:        { doignline, "finalout", 8 }, /* TEXICMD_FINALOUT */
1.20      kristaps  172:        { doignline, "findex", 6 }, /* TEXICMD_FINDEX */
1.44      kristaps  173:        { doblock, "flushleft", 9 }, /* TEXICMD_FLUSHLEFT */
                    174:        { doblock, "flushright", 10 }, /* TEXICMD_FLUSHRIGHT */
                    175:        { doignline, "firstparagraphindent", 20 }, /* TEXICMD_FIRSTPARAGRAPHINDENT */
1.32      kristaps  176:        { doignbracket, "footnote", 8 }, /* TEXICMD_FOOTNOTE */
1.44      kristaps  177:        { doignline, "footnotestyle", 13 }, /* TEXICMD_FOOTNOTESTYLE */
1.20      kristaps  178:        { dotable, "ftable", 6 }, /* TEXICMD_FTABLE */
                    179:        { dodisplay, "format", 6 }, /* TEXICMD_FORMAT */
1.43      kristaps  180:        { dosymbol, "geq", 3 }, /* TEXICMD_GEQ */
1.16      kristaps  181:        { doaccent, "`", 1 }, /* TEXICMD_GRAVE */
1.3       kristaps  182:        { doblock, "group", 5 }, /* TEXICMD_GROUP */
1.43      kristaps  183:        { dosymbol, "guillemetleft", 13 }, /* TEXICMD_GUILLEMETLEFT */
                    184:        { dosymbol, "guillemetright", 14 }, /* TEXICMD_GUILLEMETRIGHT */
                    185:        { dosymbol, "guillemotleft", 13 }, /* TEXICMD_GUILLEMOTLEFT */
                    186:        { dosymbol, "guillemotright", 14 }, /* TEXICMD_GUILLEMOTRIGHT */
                    187:        { dosymbol, "guilsinglleft", 13 }, /* TEXICMD_GUILSINGLLEFT */
                    188:        { dosymbol, "guilsinglright", 14 }, /* TEXICMD_GUILSINGLRIGHT */
1.42      kristaps  189:        { doaccent, "H", 1 }, /* TEXICMD_H */
1.2       kristaps  190:        { dosection, "heading", 7 }, /* TEXICMD_HEADING */
1.3       kristaps  191:        { doignline, "headings", 8 }, /* TEXICMD_HEADINGS */
1.18      kristaps  192:        { doitem, "headitem", 8 }, /* TEXICMD_HEADITEM */
1.25      kristaps  193:        { doignblock, "html", 4 }, /* TEXICMD_HTML */
1.3       kristaps  194:        { dosymbol, "-", 1 }, /* TEXICMD_HYPHEN */
1.21      kristaps  195:        { doinline, "i", 1 }, /* TEXICMD_I */
1.24      kristaps  196:        { dovalue, "ifclear", 7 }, /* TEXICMD_IFCLEAR */
1.14      kristaps  197:        { doignblock, "ifdocbook", 9 }, /* TEXICMD_IFDOCBOOK */
1.1       kristaps  198:        { doignblock, "ifhtml", 6 }, /* TEXICMD_IFHTML */
1.26      kristaps  199:        { doblock, "ifinfo", 6 }, /* TEXICMD_IFINFO */
1.14      kristaps  200:        { doblock, "ifnotdocbook", 12 }, /* TEXICMD_IFNOTDOCBOOK */
                    201:        { doblock, "ifnothtml", 9 }, /* TEXICMD_IFNOTHTML */
                    202:        { doblock, "ifnotinfo", 9 }, /* TEXICMD_IFNOTINFO */
                    203:        { doignblock, "ifnotplaintext", 14 }, /* TEXICMD_IFNOTPLAINTEXT */
1.3       kristaps  204:        { doblock, "ifnottex", 8 }, /* TEXICMD_IFNOTTEX */
1.14      kristaps  205:        { doblock, "ifnotxml", 8 }, /* TEXICMD_IFNOTXML */
                    206:        { doblock, "ifplaintext", 11 }, /* TEXICMD_IFPLAINTEXT */
1.1       kristaps  207:        { doignblock, "iftex", 5 }, /* TEXICMD_IFTEX */
1.30      kristaps  208:        { dovalue, "ifset", 5 }, /* TEXICMD_IFSET */
1.14      kristaps  209:        { doignblock, "ifxml", 5 }, /* TEXICMD_IFXML */
1.17      kristaps  210:        { doignblock, "ignore", 6 }, /* TEXICMD_IGNORE */
1.1       kristaps  211:        { doignbracket, "image", 5 }, /* TEXICMD_IMAGE */
1.2       kristaps  212:        { doinclude, "include", 7 }, /* TEXICMD_INCLUDE */
1.13      kristaps  213:        { dodisplay, "indentblock", 11 }, /* TEXICMD_INDENTBLOCK */
1.44      kristaps  214:        { dolink, "indicateurl", 11 }, /* TEXICMD_INDICATEURL */
                    215:        { dolink, "inforef", 7 }, /* TEXICMD_INFOREF */
1.5       kristaps  216:        { doignline, "insertcopying", 13 }, /* TEXICMD_INSERTCOPYING */
1.1       kristaps  217:        { doitem, "item", 4 }, /* TEXICMD_ITEM */
                    218:        { doitemize, "itemize", 7 }, /* TEXICMD_ITEMIZE */
1.20      kristaps  219:        { doitem, "itemx", 5 }, /* TEXICMD_ITEMX */
1.21      kristaps  220:        { doinline, "kbd", 3 }, /* TEXICMD_KBD */
1.18      kristaps  221:        { dobracket, "key", 3 }, /* TEXICMD_KEY */
1.20      kristaps  222:        { doignline, "kindex", 6 }, /* TEXICMD_KINDEX */
1.42      kristaps  223:        { dosymbol, "L", 1 }, /* TEXICMD_L */
1.1       kristaps  224:        { dosymbol, "LaTeX", 5 }, /* TEXICMD_LATEX */
1.43      kristaps  225:        { dosymbol, "leq", 3 }, /* TEXICMD_LEQ */
1.23      kristaps  226:        { dosecoffs, "lowersections", 13 }, /* TEXICMD_LOWERSECTIONS */
1.42      kristaps  227:        { dosymbol, "l", 1 }, /* TEXICMD_LSMALL */
1.30      kristaps  228:        { domacro, "macro", 5 }, /* TEXICMD_MACRO */
1.42      kristaps  229:        { doaccent, "=", 1 }, /* TEXICMD_MACRON */
1.3       kristaps  230:        { domath, "math", 4 }, /* TEXICMD_MATH */
1.1       kristaps  231:        { doignblock, "menu", 4 }, /* TEXICMD_MENU */
1.25      kristaps  232:        { dosymbol, "minus", 5 }, /* TEXICMD_MINUS */
1.18      kristaps  233:        { domultitable, "multitable", 10 }, /* TEXICMD_MULTITABLE */
1.15      kristaps  234:        { doignline, "need", 4 }, /* TEXICMD_NEED */
1.3       kristaps  235:        { dosymbol, "\n", 1 }, /* TEXICMD_NEWLINE */
1.1       kristaps  236:        { doignline, "node", 4 }, /* TEXICMD_NODE */
1.3       kristaps  237:        { doignline, "noindent", 8 }, /* TEXICMD_NOINDENT */
1.42      kristaps  238:        { dosymbol, "O", 1 }, /* TEXICMD_O */
                    239:        { dosymbol, "OE", 2 }, /* TEXICMD_OE */
                    240:        { dosymbol, "oe", 2 }, /* TEXICMD_OESMALL */
                    241:        { doaccent, "ogonek", 6 }, /* TEXICMD_OGONEK */
1.16      kristaps  242:        { doinline, "option", 6 }, /* TEXICMD_OPTION */
1.42      kristaps  243:        { dosymbol, "ordf", 4 }, /* TEXICMD_ORDF */
                    244:        { dosymbol, "ordm", 4 }, /* TEXICMD_ORDM */
                    245:        { dosymbol, "o", 1 }, /* TEXICMD_OSMALL */
1.3       kristaps  246:        { doignline, "page", 4 }, /* TEXICMD_PAGE */
1.25      kristaps  247:        { doignline, "paragraphindent", 15 }, /* TEXICMD_PARINDENT */
                    248:        { dosymbol, ".", 1 }, /* TEXICMD_PERIOD */
1.28      kristaps  249:        { doignline, "pindex", 6 }, /* TEXICMD_PINDEX */
1.43      kristaps  250:        { dosymbol, "pounds", 6 }, /* TEXICMD_POUNDS */
1.2       kristaps  251:        { doignline, "printindex", 10 }, /* TEXICMD_PRINTINDEX */
1.42      kristaps  252:        { dolink, "pxref", 5 }, /* TEXICMD_PXREF */
                    253:        { dosymbol, "questiondown", 12 }, /* TEXICMD_QUESTIONDOWN */
                    254:        { dosymbol, "?", 1 }, /* TEXICMD_QUESTIONMARK */
                    255:        { doquotation, "quotation", 9 }, /* TEXICMD_QUOTATION */
1.43      kristaps  256:        { dosymbol, "quotedblbase", 12 }, /* TEXICMD_QUOTEDBLBASE */
                    257:        { dosymbol, "quotedblleft", 12 }, /* TEXICMD_QUOTEDBLLEFT */
                    258:        { dosymbol, "quotedblright", 13 }, /* TEXICMD_QUOTEDBLRIGHT */
                    259:        { dosymbol, "quotesinglbase", 14 }, /* TEXICMD_QUOTESINGLBASE */
                    260:        { dosymbol, "quoteleft", 9 }, /* TEXICMD_QUOTELEFT */
                    261:        { dosymbol, "quoteright", 10 }, /* TEXICMD_QUOTERIGHT */
1.21      kristaps  262:        { doinline, "r", 1 }, /* TEXICMD_R */
1.23      kristaps  263:        { dosecoffs, "raisesections", 13 }, /* TEXICMD_RAISESECTIONS */
1.1       kristaps  264:        { dobracket, "ref", 3 }, /* TEXICMD_REF */
1.28      kristaps  265:        { doignline, "refill", 6 }, /* TEXICMD_REFILL */
1.43      kristaps  266:        { dosymbol, "registeredsymbol", 16 }, /* TEXICMD_REGISTEREDSYMBOL */
1.15      kristaps  267:        { dosymbol, "result", 6 }, /* TEXICMD_RESULT */
1.42      kristaps  268:        { doaccent, "ringaccent", 10 }, /* TEXICMD_RINGACCENT */
1.21      kristaps  269:        { doinline, "samp", 4 }, /* TEXICMD_SAMP */
                    270:        { doinline, "sansserif", 9 }, /* TEXICMD_SANSSERIF */
1.7       kristaps  271:        { dobracket, "sc", 2 }, /* TEXICMD_SC */
1.1       kristaps  272:        { dosection, "section", 7 }, /* TEXICMD_SECTION */
1.24      kristaps  273:        { dovalue, "set", 3 }, /* TEXICMD_SET */
1.1       kristaps  274:        { doignline, "setchapternewpage", 17 }, /* TEXICMD_SETCHAPNEWPAGE */
1.35      kristaps  275:        { doignline, "setcontentsaftertitlepage", 25 }, /* TEXICMD_SETCONTENTSAFTER */
1.1       kristaps  276:        { doignline, "setfilename", 11 }, /* TEXICMD_SETFILENAME */
1.10      kristaps  277:        { dotitle, "settitle", 8 }, /* TEXICMD_SETTITLE */
1.25      kristaps  278:        { doignline, "shortcontents", 13 }, /* TEXICMD_SHORTCONTENTS */
1.21      kristaps  279:        { doinline, "slanted", 7 }, /* TEXICMD_SLANTED */
1.34      kristaps  280:        { dosymbol, "/", 1 }, /* TEXICMD_SLASH */
1.3       kristaps  281:        { dosp, "sp", 2 }, /* TEXICMD_SP */
                    282:        { dosymbol, " ", 1 }, /* TEXICMD_SPACE */
1.17      kristaps  283:        { doignline, "smallbook", 9 }, /* TEXICMD_SMALLBOOK */
1.12      kristaps  284:        { dodisplay, "smalldisplay", 12 }, /* TEXICMD_SMALLDISPLAY */
1.3       kristaps  285:        { doexample, "smallexample", 12 }, /* TEXICMD_SMALLEXAMPLE */
1.20      kristaps  286:        { dodisplay, "smallformat", 11 }, /* TEXICMD_SMALLFORMAT */
1.13      kristaps  287:        { dodisplay, "smallindentblock", 16 }, /* TEXICMD_SMALLINDENTBLOCK */
1.3       kristaps  288:        { dosymbol, "{", 1 }, /* TEXICMD_SQUIGGLE_LEFT */
                    289:        { dosymbol, "}", 1 }, /* TEXICMD_SQUIGGLE_RIGHT */
1.35      kristaps  290:        { dosymbol, "ss", 2 }, /* TEXICMD_SS */
1.21      kristaps  291:        { doinline, "strong", 6 }, /* TEXICMD_STRONG */
1.20      kristaps  292:        { dosubsection, "subheading", 10 }, /* TEXICMD_SUBHEADING */
1.1       kristaps  293:        { dosubsection, "subsection", 10 }, /* TEXICMD_SUBSECTION */
1.28      kristaps  294:        { dosubsubsection, "subsubheading", 13 }, /* TEXICMD_SUBSUBHEADING */
1.23      kristaps  295:        { dosubsubsection, "subsubsection", 13 }, /* TEXICMD_SUBSUBSECTION */
1.3       kristaps  296:        { doignline, "subtitle", 8 }, /* TEXICMD_SUBTITLE */
1.25      kristaps  297:        { doignline, "summarycontents", 15 }, /* TEXICMD_SUMMARYCONTENTS */
1.27      kristaps  298:        { doignline, "synindex", 8 }, /* TEXICMD_SYNINDEX */
1.20      kristaps  299:        { doignline, "syncodeindex", 12 }, /* TEXICMD_SYNCODEINDEX */
1.21      kristaps  300:        { doinline, "t", 1 }, /* TEXICMD_T */
1.18      kristaps  301:        { dotab, "tab", 3 }, /* TEXICMD_TAB */
                    302:        { dosymbol, "\t", 1 }, /* TEXICMD_TABSYM */
1.1       kristaps  303:        { dotable, "table", 5 }, /* TEXICMD_TABLE */
                    304:        { doignblock, "tex", 3 }, /* TEXICMD_TEX */
                    305:        { dosymbol, "TeX", 3 }, /* TEXICMD_TEXSYM */
1.43      kristaps  306:        { dosymbol, "textdegree", 10 }, /* TEXICMD_TEXTDEGREE */
1.42      kristaps  307:        { dosymbol, "TH", 2 }, /* TEXICMD_TH */
                    308:        { dosymbol, "th", 2 }, /* TEXICMD_THSMALL */
1.35      kristaps  309:        { dosymbol, "tie", 3 }, /* TEXICMD_TIE */
1.42      kristaps  310:        { doaccent, "tieaccent", 9 }, /* TEXICMD_TIEACCENT */
1.16      kristaps  311:        { doaccent, "~", 1 }, /* TEXICMD_TILDE */
1.25      kristaps  312:        { doignline, "tindex", 6 }, /* TEXICMD_TINDEX */
1.3       kristaps  313:        { doignline, "title", 5 }, /* TEXICMD_TITLE */
1.1       kristaps  314:        { dobracket, "titlefont", 9 }, /* TEXICMD_TITLEFONT */
                    315:        { doignblock, "titlepage", 9 }, /* TEXICMD_TITLEPAGE */
                    316:        { dotop, "top", 3 }, /* TEXICMD_TOP */
1.42      kristaps  317:        { doaccent, "u", 1 }, /* TEXICMD_U */
                    318:        { doaccent, "ubaraccent", 10 }, /* TEXICMD_UBARACCENT */
                    319:        { doaccent, "udotaccent", 10 }, /* TEXICMD_UDOTACCENT */
1.16      kristaps  320:        { doaccent, "\"", 1 }, /* TEXICMD_UMLAUT */
1.12      kristaps  321:        { dosection, "unnumbered", 10 }, /* TEXICMD_UNNUMBERED */
1.2       kristaps  322:        { dosection, "unnumberedsec", 13 }, /* TEXICMD_UNNUMBEREDSEC */
1.20      kristaps  323:        { dosubsection, "unnumberedsubsec", 16 }, /* TEXICMD_UNNUMBEREDSUBSEC */
1.23      kristaps  324:        { dosubsubsection, "unnumberedsubsubsec", 19 }, /* TEXICMD_UNNUMBEREDSUBSUBSEC */
1.8       kristaps  325:        { dolink, "uref", 4 }, /* TEXICMD_UREF */
                    326:        { dolink, "url", 3 }, /* TEXICMD_URL */
1.34      kristaps  327:        { doignline, "", 0 }, /* TEXICMD_USER_INDEX */
1.42      kristaps  328:        { doaccent, "v", 1 }, /* TEXICMD_V */
1.24      kristaps  329:        { dovalue, "value", 5 }, /* TEXICMD_VALUE */
1.12      kristaps  330:        { doinline, "var", 3 }, /* TEXICMD_VAR */
1.33      kristaps  331:        { doverb, "verb", 4 }, /* TEXICMD_VERB */
                    332:        { doverbatim, "verbatim", 8 }, /* TEXICMD_VERBATIM */
1.16      kristaps  333:        { doverbinclude, "verbatiminclude", 15 }, /* TEXICMD_VERBATIMINCLUDE */
1.18      kristaps  334:        { doignline, "vindex", 6 }, /* TEXICMD_VINDEX */
1.9       kristaps  335:        { dosp, "vskip", 5 }, /* TEXICMD_VSKIP */
1.20      kristaps  336:        { dotable, "vtable", 6 }, /* TEXICMD_VTABLE */
1.3       kristaps  337:        { dobracket, "w", 1 }, /* TEXICMD_W */
1.8       kristaps  338:        { dolink, "xref", 4 }, /* TEXICMD_XREF */
1.20      kristaps  339:        /* TEXICMD__END */
1.1       kristaps  340: };
                    341:
1.24      kristaps  342: const  struct texitok *const texitoks = __texitoks;
1.18      kristaps  343:
1.2       kristaps  344: static void
1.27      kristaps  345: dodefindex(struct texi *p, enum texicmd cmd,
                    346:        const char *buf, size_t sz, size_t *pos)
                    347: {
                    348:        size_t   start, end;
                    349:        char    *cp;
                    350:
                    351:        while (*pos < sz && isws(buf[*pos]))
                    352:                advance(p, buf, pos);
                    353:
                    354:        start = end = *pos;
                    355:        while (end < sz && ! ismspace(buf[end]))
                    356:                end++;
                    357:
                    358:        if (start == end) {
                    359:                advanceeoln(p, buf, sz, pos, 1);
                    360:                return;
                    361:        } else if (NULL == (cp = malloc(end - start + 1)))
                    362:                texiabort(p, NULL);
                    363:
                    364:        memcpy(cp, &buf[start], end - start);
                    365:        cp[end - start] = '\0';
                    366:
                    367:        p->indexs = realloc(p->indexs,
                    368:                sizeof(char *) * (p->indexsz + 1));
                    369:
                    370:        if (NULL == p->indexs)
                    371:                texiabort(p, NULL);
                    372:        p->indexs[p->indexsz++] = cp;
                    373: }
                    374:
                    375: static void
1.15      kristaps  376: dodefn(struct texi *p, enum texicmd cmd,
1.3       kristaps  377:        const char *buf, size_t sz, size_t *pos)
                    378: {
                    379:        const char      *blk;
                    380:
1.5       kristaps  381:        blk = NULL;
1.3       kristaps  382:        switch (cmd) {
1.15      kristaps  383:        case (TEXICMD_DEFFN):
1.35      kristaps  384:        case (TEXICMD_DEFMAC):
1.15      kristaps  385:        case (TEXICMD_DEFTP):
1.3       kristaps  386:        case (TEXICMD_DEFTYPEFN):
                    387:        case (TEXICMD_DEFTYPEFUN):
1.34      kristaps  388:        case (TEXICMD_DEFTYPEMETHOD):
1.15      kristaps  389:        case (TEXICMD_DEFTYPEVAR):
                    390:        case (TEXICMD_DEFTYPEVR):
                    391:        case (TEXICMD_DEFUN):
                    392:        case (TEXICMD_DEFVAR):
                    393:        case (TEXICMD_DEFVR):
1.5       kristaps  394:                blk = texitoks[cmd].tok;
1.3       kristaps  395:                break;
1.5       kristaps  396:        default:
1.3       kristaps  397:                break;
                    398:        }
                    399:
                    400:        if (p->ign) {
1.15      kristaps  401:                NULL != blk ?
                    402:                        parseto(p, buf, sz, pos, blk) :
                    403:                        parseeoln(p, buf, sz, pos);
1.3       kristaps  404:                return;
                    405:        }
                    406:
1.15      kristaps  407:        if (NULL != blk)
                    408:                texivspace(p);
                    409:
1.3       kristaps  410:        switch (cmd) {
1.34      kristaps  411:        case (TEXICMD_DEFTYPEMETHOD):
                    412:        case (TEXICMD_DEFTYPEMETHODX):
                    413:                texiputchars(p, "Method");
                    414:                break;
1.15      kristaps  415:        case (TEXICMD_DEFMAC):
                    416:        case (TEXICMD_DEFMACX):
                    417:                texiputchars(p, "Macro");
                    418:                break;
                    419:        case (TEXICMD_DEFTYPEVAR):
                    420:        case (TEXICMD_DEFTYPEVARX):
                    421:        case (TEXICMD_DEFVAR):
                    422:        case (TEXICMD_DEFVARX):
                    423:                texiputchars(p, "Variable");
                    424:                break;
1.3       kristaps  425:        case (TEXICMD_DEFTYPEFUN):
1.15      kristaps  426:        case (TEXICMD_DEFTYPEFUNX):
                    427:        case (TEXICMD_DEFUN):
                    428:        case (TEXICMD_DEFUNX):
                    429:                texiputchars(p, "Function");
1.3       kristaps  430:                break;
                    431:        default:
1.15      kristaps  432:                parselinearg(p, buf, sz, pos);
1.3       kristaps  433:                break;
                    434:        }
1.15      kristaps  435:
                    436:        texiputchars(p, ":\n");
                    437:
                    438:        switch (cmd) {
                    439:        case (TEXICMD_DEFMAC):
                    440:        case (TEXICMD_DEFMACX):
                    441:                teximacroopen(p, "Dv");
                    442:                while (parselinearg(p, buf, sz, pos))
                    443:                        /* Spin. */ ;
                    444:                teximacroclose(p);
                    445:                break;
                    446:        case (TEXICMD_DEFFN):
                    447:        case (TEXICMD_DEFFNX):
                    448:        case (TEXICMD_DEFUN):
                    449:        case (TEXICMD_DEFUNX):
                    450:                teximacroopen(p, "Fo");
                    451:                parselinearg(p, buf, sz, pos);
                    452:                teximacroclose(p);
                    453:                teximacroopen(p, "Fa");
                    454:                while (parselinearg(p, buf, sz, pos))
                    455:                        /* Spin. */ ;
                    456:                teximacroclose(p);
                    457:                teximacro(p, "Fc");
                    458:                break;
                    459:        case (TEXICMD_DEFTYPEFUN):
                    460:        case (TEXICMD_DEFTYPEFUNX):
                    461:        case (TEXICMD_DEFTYPEFN):
                    462:        case (TEXICMD_DEFTYPEFNX):
1.34      kristaps  463:        case (TEXICMD_DEFTYPEMETHOD):
                    464:        case (TEXICMD_DEFTYPEMETHODX):
1.15      kristaps  465:                teximacroopen(p, "Ft");
                    466:                parselinearg(p, buf, sz, pos);
                    467:                teximacroclose(p);
                    468:                teximacroopen(p, "Fo");
                    469:                parselinearg(p, buf, sz, pos);
                    470:                teximacroclose(p);
                    471:                teximacroopen(p, "Fa");
                    472:                while (parselinearg(p, buf, sz, pos))
                    473:                        /* Spin. */ ;
                    474:                teximacroclose(p);
                    475:                teximacro(p, "Fc");
                    476:                break;
                    477:        case (TEXICMD_DEFTP):
                    478:        case (TEXICMD_DEFTPX):
                    479:        case (TEXICMD_DEFTYPEVAR):
                    480:        case (TEXICMD_DEFTYPEVARX):
                    481:        case (TEXICMD_DEFTYPEVR):
                    482:        case (TEXICMD_DEFTYPEVRX):
                    483:                teximacroopen(p, "Vt");
                    484:                while (parselinearg(p, buf, sz, pos))
                    485:                        /* Spin. */ ;
                    486:                teximacroclose(p);
                    487:                break;
                    488:        case (TEXICMD_DEFVAR):
                    489:        case (TEXICMD_DEFVARX):
                    490:        case (TEXICMD_DEFVR):
                    491:        case (TEXICMD_DEFVRX):
                    492:                teximacroopen(p, "Va");
                    493:                while (parselinearg(p, buf, sz, pos))
                    494:                        /* Spin. */ ;
                    495:                teximacroclose(p);
                    496:                break;
                    497:        default:
                    498:                abort();
1.3       kristaps  499:        }
1.15      kristaps  500:
1.11      kristaps  501:        texivspace(p);
1.3       kristaps  502:        if (NULL != blk)
                    503:                parseto(p, buf, sz, pos, blk);
                    504: }
                    505:
                    506: static void
1.30      kristaps  507: domacro(struct texi *p, enum texicmd cmd,
                    508:        const char *buf, size_t sz, size_t *pos)
                    509: {
                    510:        size_t            start, end, endtoksz, len;
                    511:        struct teximacro  m;
                    512:        const char       *endtok, *blk;
                    513:
                    514:        memset(&m, 0, sizeof(struct teximacro));
                    515:
                    516:        while (*pos < sz && isws(buf[*pos]))
                    517:                advance(p, buf, pos);
                    518:
                    519:        for (start = end = *pos; end < sz; end++)
                    520:                if (ismspace(buf[end]) || '{' == buf[end])
                    521:                        break;
                    522:
                    523:        if (start == end)
                    524:                texierr(p, "zero-length macro name");
                    525:
                    526:        advanceto(p, buf, pos, end);
                    527:
                    528:        m.key = malloc(end - start + 1);
                    529:        if (NULL == m.key)
                    530:                texiabort(p, NULL);
                    531:        memcpy(m.key, &buf[start], end - start);
                    532:        m.key[end - start] = '\0';
                    533:
1.31      kristaps  534:        m.args = argparse(p, buf, sz, pos, &m.argsz, 0);
1.30      kristaps  535:        advanceeoln(p, buf, sz, pos, 0);
                    536:
                    537:        start = *pos;
                    538:        endtok = "\n@end macro\n";
                    539:        endtoksz = strlen(endtok);
1.45    ! kristaps  540:        blk = memmem(&buf[start], sz - start, endtok, endtoksz);
1.30      kristaps  541:        if (NULL == blk)
                    542:                texierr(p, "unterminated macro body");
                    543:        while (&buf[*pos] != blk)
                    544:                advance(p, buf, pos);
                    545:        assert('\n' == buf[*pos]);
                    546:        advance(p, buf, pos);
                    547:        len = blk - &buf[start];
                    548:        m.value = malloc(len + 1);
                    549:        if (NULL == m.value)
                    550:                texiabort(p, NULL);
                    551:        memcpy(m.value, &buf[start], len);
                    552:        m.value[len] = '\0';
                    553:
                    554:        p->macros = realloc
                    555:                (p->macros,
                    556:                (p->macrosz + 1) *
                    557:                sizeof(struct teximacro));
                    558:        if (NULL == p->macros)
                    559:                texiabort(p, NULL);
                    560:
                    561:        p->macros[p->macrosz++] = m;
                    562:        advanceeoln(p, buf, sz, pos, 1);
                    563: }
                    564:
                    565: static void
1.1       kristaps  566: doignblock(struct texi *p, enum texicmd cmd,
                    567:        const char *buf, size_t sz, size_t *pos)
                    568: {
1.45    ! kristaps  569:        char             end[32], start[32];
        !           570:        const char      *endt, *startt;
        !           571:        size_t           esz, ssz, newpos, stack;
1.26      kristaps  572:
                    573:        /*
1.45    ! kristaps  574:         * FIXME: this is cheating.
        !           575:         * These tokens are supposed to begin on a newline.
        !           576:         * However, if we do that, then we would need to check within
        !           577:         * the loop for trailer (or leading, as the case may be)
        !           578:         * newline, and that's just a bit too complicated right now.
        !           579:         * This is becasue
        !           580:         *      @ifset BAR
        !           581:         *      @ifset FOO
        !           582:         *      @end ifset
        !           583:         *      @end ifset
        !           584:         * won't work right now: we'd read after the first "@end ifset"
        !           585:         * to the next line, then look for the next line after that.
1.26      kristaps  586:         */
1.45    ! kristaps  587:        ssz = snprintf(start, sizeof(start),
        !           588:                "@%s", texitoks[cmd].tok);
        !           589:        assert(ssz < sizeof(start));
        !           590:        esz = snprintf(end, sizeof(end),
        !           591:                "@end %s\n", texitoks[cmd].tok);
        !           592:        assert(esz < sizeof(end));
        !           593:        stack = 1;
        !           594:
        !           595:        /*
        !           596:         * Here we look for the end token "end" somewhere in the file in
        !           597:         * front of us.
        !           598:         * It's not that easy, of course: if we have a nested block,
        !           599:         * then there'll be an "end" token of the same kind between us.
        !           600:         * Thus, we keep track of scopes for matching "end" blocks.
1.26      kristaps  601:         */
1.45    ! kristaps  602:        while (stack > 0 && *pos < sz) {
        !           603:                if (stack > 10)
        !           604:                        abort();
        !           605:                endt = memmem(&buf[*pos], sz - *pos, end, esz);
        !           606:                startt = memmem(&buf[*pos], sz - *pos, start, ssz);
        !           607:                if (NULL == endt) {
        !           608:                        texiwarn(p, "unterminated \"%s\" "
        !           609:                                "block", texitoks[cmd].tok);
        !           610:                        *pos = sz;
        !           611:                        break;
        !           612:                }
1.26      kristaps  613:
1.45    ! kristaps  614:                newpos = *pos;
        !           615:                if (NULL == startt || startt > endt) {
        !           616:                        newpos += esz + (size_t)(endt - &buf[*pos]);
        !           617:                        stack--;
        !           618:                } else {
        !           619:                        newpos += ssz + (size_t)(startt - &buf[*pos]);
        !           620:                        stack++;
        !           621:                }
        !           622:
        !           623:                assert(newpos <= sz);
        !           624:                while (*pos < newpos)
        !           625:                        advance(p, buf, pos);
        !           626:        }
1.1       kristaps  627: }
                    628:
                    629: static void
1.3       kristaps  630: doblock(struct texi *p, enum texicmd cmd,
1.1       kristaps  631:        const char *buf, size_t sz, size_t *pos)
                    632: {
                    633:
1.5       kristaps  634:        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.1       kristaps  635: }
                    636:
                    637: static void
1.12      kristaps  638: doinline(struct texi *p, enum texicmd cmd,
                    639:        const char *buf, size_t sz, size_t *pos)
1.1       kristaps  640: {
1.21      kristaps  641:        const char      *macro = NULL;
1.12      kristaps  642:
                    643:        switch (cmd) {
1.21      kristaps  644:        case (TEXICMD_CODE):
                    645:        case (TEXICMD_KBD):
                    646:        case (TEXICMD_SAMP):
                    647:        case (TEXICMD_T):
                    648:                macro = "Li";
                    649:                break;
                    650:        case (TEXICMD_CITE):
                    651:        case (TEXICMD_DFN):
                    652:        case (TEXICMD_EMPH):
                    653:        case (TEXICMD_I):
                    654:        case (TEXICMD_SLANTED):
                    655:                macro = "Em";
                    656:                break;
                    657:        case (TEXICMD_B):
                    658:        case (TEXICMD_STRONG):
                    659:                macro = "Sy";
                    660:                break;
1.12      kristaps  661:        case (TEXICMD_COMMAND):
                    662:                macro = "Xr";
                    663:                break;
                    664:        case (TEXICMD_ENV):
                    665:                macro = "Ev";
                    666:                break;
                    667:        case (TEXICMD_FILE):
                    668:                macro = "Pa";
                    669:                break;
1.16      kristaps  670:        case (TEXICMD_OPTION):
                    671:                macro = "Op";
                    672:                break;
1.12      kristaps  673:        case (TEXICMD_VAR):
                    674:                macro = "Va";
                    675:                break;
                    676:        default:
1.22      kristaps  677:                break;
1.12      kristaps  678:        }
                    679:
1.25      kristaps  680:        if (NULL == macro || p->literal || TEXILIST_TABLE == p->list) {
1.12      kristaps  681:                parsebracket(p, buf, sz, pos);
                    682:                return;
                    683:        }
1.1       kristaps  684:
1.5       kristaps  685:        teximacroopen(p, macro);
1.1       kristaps  686:        p->seenws = 0;
                    687:        parsebracket(p, buf, sz, pos);
1.11      kristaps  688:        texipunctuate(p, buf, sz, pos);
1.5       kristaps  689:        teximacroclose(p);
1.1       kristaps  690: }
                    691:
                    692: static void
1.25      kristaps  693: doverb(struct texi *p, enum texicmd cmd,
1.33      kristaps  694:        const char *buf, size_t sz, size_t *pos)
                    695: {
                    696:        char     delim;
1.34      kristaps  697:        size_t   start;
1.33      kristaps  698:
                    699:        while (*pos < sz && isws(buf[*pos]))
                    700:                advance(p, buf, pos);
                    701:        if (*pos == sz || '{' != buf[*pos])
                    702:                return;
                    703:        advance(p, buf, pos);
                    704:        if (*pos == sz)
                    705:                return;
                    706:
                    707:        delim = buf[*pos];
                    708:        advance(p, buf, pos);
                    709:        /* Make sure we flush out our initial whitespace... */
                    710:        if (p->seenws && p->outcol && 0 == p->literal)
                    711:                texiputchar(p, ' ');
                    712:        p->seenws = 0;
1.34      kristaps  713:        start = *pos;
1.33      kristaps  714:        /* Read until we see the delimiter then end-brace. */
                    715:        while (*pos < sz - 1) {
                    716:                if (buf[*pos] == delim && buf[*pos + 1] == '}')
                    717:                        break;
                    718:                advance(p, buf, pos);
                    719:        }
                    720:        if (*pos == sz - 1)
                    721:                return;
1.34      kristaps  722:        texiputbuf(p, buf, start, *pos);
                    723:
1.33      kristaps  724:        /* Make sure we read after the end-brace. */
                    725:        assert(delim == buf[*pos]);
                    726:        advance(p, buf, pos);
                    727:        assert('}' == buf[*pos]);
                    728:        advance(p, buf, pos);
                    729: }
                    730:
                    731: static void
                    732: doverbatim(struct texi *p, enum texicmd cmd,
1.25      kristaps  733:        const char *buf, size_t sz, size_t *pos)
                    734: {
                    735:        const char      *end, *term;
                    736:        size_t           endsz, endpos;
                    737:
1.45    ! kristaps  738:        /* We read from the @verbatim\n newline inclusive! */
1.25      kristaps  739:        end = "\n@end verbatim\n";
                    740:        endsz = strlen(end);
1.45    ! kristaps  741:        advanceeoln(p, buf, sz, pos, 0);
        !           742:        if (*pos == sz) {
        !           743:                texiwarn(p, "unexpected end of file");
        !           744:                return;
        !           745:        }
1.25      kristaps  746:
1.45    ! kristaps  747:        term = memmem(&buf[*pos], sz - *pos, end, endsz);
        !           748:        if (NULL == term) {
        !           749:                texiwarn(p, "unterminated verbatim block");
        !           750:                endpos = sz;
        !           751:        } else
        !           752:                endpos = *pos + (size_t)(term - &buf[*pos]);
1.25      kristaps  753:
1.45    ! kristaps  754:        assert(endpos <= sz);
        !           755:        assert('\n' == buf[*pos]);
        !           756:        advance(p, buf, pos);
1.25      kristaps  757:        teximacro(p, "Bd -literal -offset indent");
1.26      kristaps  758:        while (*pos < endpos) {
1.41      kristaps  759:                texiputchar(p, buf[*pos]);
1.25      kristaps  760:                advance(p, buf, pos);
                    761:        }
                    762:        teximacro(p, "Ed");
1.45    ! kristaps  763:        if (*pos < sz)
        !           764:                advanceto(p, buf, pos, endpos + endsz);
1.25      kristaps  765: }
                    766:
                    767: static void
1.16      kristaps  768: doverbinclude(struct texi *p, enum texicmd cmd,
                    769:        const char *buf, size_t sz, size_t *pos)
                    770: {
1.25      kristaps  771:        char             fname[PATH_MAX], path[PATH_MAX];
                    772:        int              rc;
                    773:        size_t           i, end;
                    774:        const char      *v;
                    775:        enum texicmd     type;
1.16      kristaps  776:
                    777:        while (*pos < sz && ' ' == buf[*pos])
                    778:                advance(p, buf, pos);
                    779:
1.25      kristaps  780:        for (i = 0; *pos < sz && '\n' != buf[*pos]; ) {
1.16      kristaps  781:                if (i == sizeof(fname) - 1)
                    782:                        break;
1.25      kristaps  783:                if ('@' != buf[*pos]) {
                    784:                        fname[i++] = buf[*pos];
                    785:                        advance(p, buf, pos);
                    786:                        continue;
                    787:                }
1.30      kristaps  788:                type = texicmd(p, buf, *pos, sz, &end, NULL);
1.25      kristaps  789:                advanceto(p, buf, pos, end);
                    790:                if (TEXICMD_VALUE != type)
                    791:                        texierr(p, "unknown verbatiminclude command");
                    792:                v = valueblookup(p, buf, sz, pos);
                    793:                if (NULL == v)
                    794:                        continue;
                    795:                while ('\0' != *v) {
                    796:                        if (i == sizeof(fname) - 1)
                    797:                                break;
                    798:                        fname[i++] = *v++;
                    799:                }
                    800:                if ('\0' != *v)
                    801:                        break;
1.16      kristaps  802:        }
                    803:
                    804:        if (i == 0)
                    805:                texierr(p, "path too short");
                    806:        else if ('\n' != buf[*pos])
                    807:                texierr(p, "path too long");
                    808:        else if ('/' == fname[0])
                    809:                texierr(p, "no absolute paths");
                    810:        fname[i] = '\0';
                    811:
                    812:        if (strstr(fname, "../") || strstr(fname, "/.."))
                    813:                texierr(p, "insecure path");
                    814:
                    815:        rc = snprintf(path, sizeof(path),
                    816:                "%s/%s", p->dirs[0], fname);
                    817:        if (rc < 0)
                    818:                texierr(p, "couldn't format path");
                    819:        else if ((size_t)rc >= sizeof(path))
                    820:                texierr(p, "path too long");
                    821:
                    822:        parsefile(p, path, 0);
                    823: }
                    824:
                    825: static void
1.2       kristaps  826: doinclude(struct texi *p, enum texicmd cmd,
                    827:        const char *buf, size_t sz, size_t *pos)
                    828: {
1.25      kristaps  829:        char             fname[PATH_MAX], path[PATH_MAX];
                    830:        size_t           i, end;
                    831:        int              rc;
                    832:        const char      *v;
                    833:        enum texicmd     type;
1.2       kristaps  834:
                    835:        while (*pos < sz && ' ' == buf[*pos])
                    836:                advance(p, buf, pos);
                    837:
                    838:        /* Read in the filename. */
1.25      kristaps  839:        for (i = 0; *pos < sz && '\n' != buf[*pos]; ) {
1.2       kristaps  840:                if (i == sizeof(fname) - 1)
                    841:                        break;
1.25      kristaps  842:                if ('@' != buf[*pos]) {
                    843:                        fname[i++] = buf[*pos];
                    844:                        advance(p, buf, pos);
                    845:                        continue;
                    846:                }
1.30      kristaps  847:                type = texicmd(p, buf, *pos, sz, &end, NULL);
1.25      kristaps  848:                advanceto(p, buf, pos, end);
                    849:                if (TEXICMD_VALUE != type)
                    850:                        texierr(p, "unknown include command");
                    851:                v = valueblookup(p, buf, sz, pos);
                    852:                if (NULL == v)
                    853:                        continue;
                    854:                while ('\0' != *v) {
                    855:                        if (i == sizeof(fname) - 1)
                    856:                                break;
                    857:                        fname[i++] = *v++;
                    858:                }
                    859:                if ('\0' != *v)
                    860:                        break;
1.2       kristaps  861:        }
                    862:
                    863:        if (i == 0)
                    864:                texierr(p, "path too short");
                    865:        else if ('\n' != buf[*pos])
                    866:                texierr(p, "path too long");
                    867:        else if ('/' == fname[0])
                    868:                texierr(p, "no absolute paths");
                    869:        fname[i] = '\0';
                    870:
                    871:        if (strstr(fname, "../") || strstr(fname, "/.."))
                    872:                texierr(p, "insecure path");
                    873:
1.5       kristaps  874:        for (i = 0; i < p->dirsz; i++) {
                    875:                rc = snprintf(path, sizeof(path),
                    876:                        "%s/%s", p->dirs[i], fname);
                    877:                if (rc < 0)
                    878:                        texierr(p, "couldn't format path");
                    879:                else if ((size_t)rc >= sizeof(path))
                    880:                        texierr(p, "path too long");
                    881:                else if (-1 == access(path, R_OK))
                    882:                        continue;
                    883:
1.16      kristaps  884:                parsefile(p, path, 1);
1.5       kristaps  885:                return;
                    886:        }
1.2       kristaps  887:
1.5       kristaps  888:        texierr(p, "couldn't find %s in includes", fname);
1.2       kristaps  889: }
                    890:
                    891: static void
1.1       kristaps  892: dobracket(struct texi *p, enum texicmd cmd,
                    893:        const char *buf, size_t sz, size_t *pos)
                    894: {
                    895:
                    896:        parsebracket(p, buf, sz, pos);
                    897: }
                    898:
                    899: static void
1.3       kristaps  900: dodisplay(struct texi *p, enum texicmd cmd,
                    901:        const char *buf, size_t sz, size_t *pos)
                    902: {
                    903:
1.20      kristaps  904:        switch (cmd) {
                    905:        case (TEXICMD_FORMAT):
                    906:        case (TEXICMD_SMALLFORMAT):
                    907:                teximacro(p, "Bd -filled");
                    908:                break;
                    909:        default:
                    910:                teximacro(p, "Bd -filled -offset indent");
                    911:                break;
                    912:        }
                    913:
1.11      kristaps  914:        p->seenvs = 1;
1.12      kristaps  915:        /* FIXME: ignore and parseeoln. */
1.3       kristaps  916:        advanceeoln(p, buf, sz, pos, 1);
1.13      kristaps  917:        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.5       kristaps  918:        teximacro(p, "Ed");
1.3       kristaps  919: }
                    920:
                    921: static void
1.1       kristaps  922: doexample(struct texi *p, enum texicmd cmd,
                    923:        const char *buf, size_t sz, size_t *pos)
                    924: {
                    925:
1.5       kristaps  926:        teximacro(p, "Bd -literal -offset indent");
1.12      kristaps  927:        /* FIXME: ignore and parseeoln. */
1.3       kristaps  928:        advanceeoln(p, buf, sz, pos, 1);
                    929:        p->literal++;
1.13      kristaps  930:        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.3       kristaps  931:        p->literal--;
1.5       kristaps  932:        teximacro(p, "Ed");
1.1       kristaps  933: }
                    934:
                    935: static void
                    936: dobye(struct texi *p, enum texicmd cmd,
                    937:        const char *buf, size_t sz, size_t *pos)
                    938: {
                    939:
                    940:        texiexit(p);
                    941:        exit(EXIT_SUCCESS);
                    942: }
                    943:
                    944: static void
1.10      kristaps  945: dotitle(struct texi *p, enum texicmd cmd,
                    946:        const char *buf, size_t sz, size_t *pos)
                    947: {
                    948:        size_t   start, end;
                    949:
                    950:        while (*pos < sz && isws(buf[*pos]))
                    951:                advance(p, buf, pos);
                    952:        start = end = *pos;
                    953:        while (end < sz && '\n' != buf[end])
                    954:                end++;
1.26      kristaps  955:        advanceeoln(p, buf, sz, pos, 1);
1.10      kristaps  956:        free(p->subtitle);
                    957:        p->subtitle = malloc(end - start + 1);
1.27      kristaps  958:        if (NULL == p->subtitle)
                    959:                texiabort(p, NULL);
1.10      kristaps  960:        memcpy(p->subtitle, &buf[start], end - start);
                    961:        p->subtitle[end - start] = '\0';
                    962: }
                    963:
                    964: static void
1.16      kristaps  965: doaccent(struct texi *p, enum texicmd cmd,
                    966:        const char *buf, size_t sz, size_t *pos)
                    967: {
1.42      kristaps  968:        int      brace = 0;
1.16      kristaps  969:
1.42      kristaps  970:        if (*pos == sz) {
                    971:                texiwarn(p, "truncated: @%s", texitoks[cmd].tok);
1.16      kristaps  972:                return;
1.42      kristaps  973:        }
                    974:
                    975:        /* Pad us with space, if necessary. */
                    976:        if (p->seenws && p->outcol && 0 == p->literal) {
1.34      kristaps  977:                texiputchar(p, ' ');
1.42      kristaps  978:                p->seenws = 0;
                    979:        }
                    980:
                    981:        /*
                    982:         * If we're braced, then that's that.
                    983:         * Otherwise, in a special Texinfo case: if we're a non
                    984:         * alphabetic command of one letter, then the next character is
                    985:         * the critical one.
                    986:         * Otherwise, space can sit between us and our argument.
                    987:         */
                    988:        if ('{' == buf[*pos]) {
                    989:                brace = 1;
                    990:                advance(p, buf, pos);
                    991:        } else if (isalpha(texitoks[cmd].tok[0]))
1.34      kristaps  992:                while (*pos < sz && isws(buf[*pos]))
                    993:                        advance(p, buf, pos);
1.42      kristaps  994:
                    995:        if (*pos == sz) {
                    996:                texiwarn(p, "truncated: @%s", texitoks[cmd].tok);
                    997:                return;
                    998:        }
                    999:
                   1000:        switch (cmd) {
1.16      kristaps 1001:        case (TEXICMD_ACUTE):
                   1002:                switch (buf[*pos]) {
                   1003:                case ('a'): case ('A'):
                   1004:                case ('e'): case ('E'):
                   1005:                case ('i'): case ('I'):
                   1006:                case ('o'): case ('O'):
                   1007:                case ('u'): case ('U'):
                   1008:                        texiputchars(p, "\\(\'");
                   1009:                        break;
                   1010:                default:
1.42      kristaps 1011:                        texiwarn(p, "ignoring accent");
                   1012:                        break;
1.16      kristaps 1013:                }
1.42      kristaps 1014:                texiputchar(p, buf[*pos]);
                   1015:                advance(p, buf, pos);
                   1016:                break;
                   1017:        case (TEXICMD_CEDILLA):
                   1018:                if ('c' == buf[*pos] || 'C' == buf[*pos])
                   1019:                        texiputchars(p, "\\(,");
                   1020:                else
                   1021:                        texiwarn(p, "ignoring accent");
                   1022:                texiputchar(p, buf[*pos]);
                   1023:                advance(p, buf, pos);
1.16      kristaps 1024:                break;
                   1025:        case (TEXICMD_CIRCUMFLEX):
                   1026:                switch (buf[*pos]) {
                   1027:                case ('a'): case ('A'):
                   1028:                case ('e'): case ('E'):
                   1029:                case ('i'): case ('I'):
                   1030:                case ('o'): case ('O'):
                   1031:                case ('u'): case ('U'):
                   1032:                        texiputchars(p, "\\(^");
                   1033:                        break;
                   1034:                default:
1.42      kristaps 1035:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1036:                        break;
1.16      kristaps 1037:                }
1.42      kristaps 1038:                texiputchar(p, buf[*pos]);
                   1039:                advance(p, buf, pos);
                   1040:                break;
                   1041:        case (TEXICMD_DOTLESS):
                   1042:                if ('i' == buf[*pos] || 'j' == buf[*pos])
                   1043:                        texiputchars(p, "\\(.");
                   1044:                else
                   1045:                        texiwarn(p, "ignoring accent");
                   1046:                texiputchar(p, buf[*pos]);
                   1047:                advance(p, buf, pos);
1.16      kristaps 1048:                break;
                   1049:        case (TEXICMD_GRAVE):
                   1050:                switch (buf[*pos]) {
                   1051:                case ('a'): case ('A'):
                   1052:                case ('e'): case ('E'):
                   1053:                case ('i'): case ('I'):
                   1054:                case ('o'): case ('O'):
                   1055:                case ('u'): case ('U'):
                   1056:                        texiputchars(p, "\\(`");
                   1057:                        break;
                   1058:                default:
1.42      kristaps 1059:                        texiwarn(p, "ignoring accent");
                   1060:                        break;
1.16      kristaps 1061:                }
1.42      kristaps 1062:                texiputchar(p, buf[*pos]);
                   1063:                advance(p, buf, pos);
1.16      kristaps 1064:                break;
                   1065:        case (TEXICMD_TILDE):
                   1066:                switch (buf[*pos]) {
                   1067:                case ('a'): case ('A'):
                   1068:                case ('n'): case ('N'):
                   1069:                case ('o'): case ('O'):
                   1070:                        texiputchars(p, "\\(~");
                   1071:                        break;
                   1072:                default:
1.42      kristaps 1073:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1074:                        break;
1.16      kristaps 1075:                }
1.42      kristaps 1076:                texiputchar(p, buf[*pos]);
                   1077:                advance(p, buf, pos);
1.16      kristaps 1078:                break;
                   1079:        case (TEXICMD_UMLAUT):
                   1080:                switch (buf[*pos]) {
                   1081:                case ('a'): case ('A'):
                   1082:                case ('e'): case ('E'):
                   1083:                case ('i'): case ('I'):
                   1084:                case ('o'): case ('O'):
                   1085:                case ('u'): case ('U'):
                   1086:                case ('y'):
                   1087:                        texiputchars(p, "\\(:");
                   1088:                        break;
                   1089:                default:
1.42      kristaps 1090:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1091:                        break;
1.16      kristaps 1092:                }
1.42      kristaps 1093:                texiputchar(p, buf[*pos]);
                   1094:                advance(p, buf, pos);
1.16      kristaps 1095:                break;
                   1096:        default:
1.42      kristaps 1097:                texiputchar(p, buf[*pos]);
                   1098:                advance(p, buf, pos);
                   1099:                break;
                   1100:        }
                   1101:
                   1102:        if (brace) {
                   1103:                while (*pos < sz && '}' != buf[*pos]) {
                   1104:                        texiputchar(p, buf[*pos]);
                   1105:                        advance(p, buf, pos);
                   1106:                }
                   1107:                if (*pos < sz)
                   1108:                        advance(p, buf, pos);
                   1109:        }
                   1110:
                   1111:        switch (cmd) {
                   1112:        case (TEXICMD_TIEACCENT):
                   1113:                texiputchar(p, ']');
                   1114:                break;
                   1115:        case (TEXICMD_DOTACCENT):
                   1116:                texiputchar(p, '*');
                   1117:                break;
                   1118:        default:
                   1119:                break;
1.16      kristaps 1120:        }
                   1121: }
                   1122:
                   1123: static void
1.1       kristaps 1124: dosymbol(struct texi *p, enum texicmd cmd,
                   1125:        const char *buf, size_t sz, size_t *pos)
                   1126: {
                   1127:
1.42      kristaps 1128:        /* Remember to pad us. */
1.43      kristaps 1129:        if (p->seenws && p->outcol && 0 == p->literal)
1.3       kristaps 1130:                texiputchar(p, ' ');
1.43      kristaps 1131:
                   1132:        p->seenws = 0;
1.3       kristaps 1133:
1.1       kristaps 1134:        switch (cmd) {
1.42      kristaps 1135:        case (TEXICMD_AA):
                   1136:                texiputchars(p, "\\(oA");
                   1137:                break;
                   1138:        case (TEXICMD_AASMALL):
                   1139:                texiputchars(p, "\\(oa");
                   1140:                break;
                   1141:        case (TEXICMD_AE):
                   1142:                texiputchars(p, "\\(AE");
                   1143:                break;
                   1144:        case (TEXICMD_AESMALL):
                   1145:                texiputchars(p, "\\(ae");
                   1146:                break;
1.3       kristaps 1147:        case (TEXICMD_ASTERISK):
                   1148:        case (TEXICMD_NEWLINE):
                   1149:        case (TEXICMD_SPACE):
1.18      kristaps 1150:        case (TEXICMD_TABSYM):
1.3       kristaps 1151:                texiputchar(p, ' ');
                   1152:                break;
1.1       kristaps 1153:        case (TEXICMD_AT):
1.3       kristaps 1154:                texiputchar(p, '@');
                   1155:                break;
                   1156:        case (TEXICMD_BANG):
                   1157:                texiputchar(p, '!');
1.7       kristaps 1158:                break;
                   1159:        case (TEXICMD_BULLET):
                   1160:                texiputchars(p, "\\(bu");
1.1       kristaps 1161:                break;
1.35      kristaps 1162:        case (TEXICMD_COMMA):
                   1163:                texiputchar(p, ',');
                   1164:                break;
1.1       kristaps 1165:        case (TEXICMD_COPYRIGHT):
                   1166:                texiputchars(p, "\\(co");
                   1167:                break;
1.42      kristaps 1168:        case (TEXICMD_DH):
                   1169:                texiputchars(p, "\\(-D");
                   1170:                break;
                   1171:        case (TEXICMD_DHSMALL):
                   1172:                texiputchars(p, "\\(Sd");
                   1173:                break;
1.2       kristaps 1174:        case (TEXICMD_DOTS):
1.34      kristaps 1175:        case (TEXICMD_ENDDOTS):
1.2       kristaps 1176:                texiputchars(p, "...");
                   1177:                break;
1.28      kristaps 1178:        case (TEXICMD_EQUIV):
                   1179:                texiputchars(p, "\\(==");
                   1180:                break;
1.15      kristaps 1181:        case (TEXICMD_ERROR):
                   1182:                texiputchars(p, "error\\(->");
1.17      kristaps 1183:                break;
1.43      kristaps 1184:        case (TEXICMD_EURO):
                   1185:                texiputchars(p, "\\(Eu");
                   1186:                break;
1.42      kristaps 1187:        case (TEXICMD_EXCLAMDOWN):
                   1188:                texiputchars(p, "\\(r!");
                   1189:                break;
1.17      kristaps 1190:        case (TEXICMD_EXPANSION):
                   1191:                texiputchars(p, "\\(->");
1.15      kristaps 1192:                break;
1.43      kristaps 1193:        case (TEXICMD_GEQ):
                   1194:                texiputchars(p, "\\(>=");
                   1195:                break;
                   1196:        case (TEXICMD_GUILLEMETLEFT):
                   1197:        case (TEXICMD_GUILLEMOTLEFT):
                   1198:                texiputchars(p, "\\(Fo");
                   1199:                break;
                   1200:        case (TEXICMD_GUILLEMETRIGHT):
                   1201:        case (TEXICMD_GUILLEMOTRIGHT):
                   1202:                texiputchars(p, "\\(Fc");
                   1203:                break;
                   1204:        case (TEXICMD_GUILSINGLLEFT):
                   1205:                texiputchars(p, "\\(fo");
                   1206:                break;
                   1207:        case (TEXICMD_GUILSINGLRIGHT):
                   1208:                texiputchars(p, "\\(fc");
                   1209:                break;
1.42      kristaps 1210:        case (TEXICMD_L):
                   1211:                texiputchars(p, "\\(/L");
                   1212:                break;
1.1       kristaps 1213:        case (TEXICMD_LATEX):
                   1214:                texiputchars(p, "LaTeX");
                   1215:                break;
1.43      kristaps 1216:        case (TEXICMD_LEQ):
                   1217:                texiputchars(p, "\\(<=");
                   1218:                break;
1.42      kristaps 1219:        case (TEXICMD_LSMALL):
                   1220:                texiputchars(p, "\\(/l");
                   1221:                break;
1.25      kristaps 1222:        case (TEXICMD_MINUS):
                   1223:                texiputchars(p, "\\-");
                   1224:                break;
1.42      kristaps 1225:        case (TEXICMD_O):
                   1226:                texiputchars(p, "\\(/O");
                   1227:                break;
                   1228:        case (TEXICMD_OE):
                   1229:                texiputchars(p, "\\(OE");
                   1230:                break;
                   1231:        case (TEXICMD_OESMALL):
                   1232:                texiputchars(p, "\\(oe");
                   1233:                break;
                   1234:        case (TEXICMD_ORDF):
                   1235:                texiputchars(p, "a");
                   1236:                break;
                   1237:        case (TEXICMD_ORDM):
                   1238:                texiputchars(p, "o");
                   1239:                break;
                   1240:        case (TEXICMD_OSMALL):
                   1241:                texiputchars(p, "\\(/o");
                   1242:                break;
1.25      kristaps 1243:        case (TEXICMD_PERIOD):
                   1244:                texiputchar(p, '.');
                   1245:                break;
1.43      kristaps 1246:        case (TEXICMD_POUNDS):
                   1247:                texiputchars(p, "\\(Po");
                   1248:                break;
1.42      kristaps 1249:        case (TEXICMD_QUESTIONDOWN):
                   1250:                texiputchars(p, "\\(r?");
                   1251:                break;
1.3       kristaps 1252:        case (TEXICMD_QUESTIONMARK):
                   1253:                texiputchar(p, '?');
1.15      kristaps 1254:                break;
1.43      kristaps 1255:        case (TEXICMD_QUOTEDBLBASE):
                   1256:                texiputchars(p, "\\(Bq");
                   1257:                break;
                   1258:        case (TEXICMD_QUOTEDBLLEFT):
                   1259:                texiputchars(p, "\\(lq");
                   1260:                break;
                   1261:        case (TEXICMD_QUOTEDBLRIGHT):
                   1262:                texiputchars(p, "\\(rq");
                   1263:                break;
                   1264:        case (TEXICMD_QUOTESINGLBASE):
                   1265:                texiputchars(p, "\\(bq");
                   1266:                break;
                   1267:        case (TEXICMD_QUOTELEFT):
                   1268:                texiputchars(p, "\\(oq");
                   1269:                break;
                   1270:        case (TEXICMD_QUOTERIGHT):
                   1271:                texiputchars(p, "\\(cq");
                   1272:                break;
                   1273:        case (TEXICMD_REGISTEREDSYMBOL):
                   1274:                texiputchars(p, "\\(rg");
                   1275:                break;
1.15      kristaps 1276:        case (TEXICMD_RESULT):
                   1277:                texiputchars(p, "\\(rA");
1.3       kristaps 1278:                break;
1.34      kristaps 1279:        case (TEXICMD_SLASH):
                   1280:                texiputchar(p, '/');
                   1281:                break;
1.35      kristaps 1282:        case (TEXICMD_SS):
                   1283:                texiputchars(p, "\\(ss");
                   1284:                break;
1.3       kristaps 1285:        case (TEXICMD_SQUIGGLE_LEFT):
                   1286:                texiputchars(p, "{");
                   1287:                break;
                   1288:        case (TEXICMD_SQUIGGLE_RIGHT):
                   1289:                texiputchars(p, "}");
                   1290:                break;
1.38      kristaps 1291:        case (TEXICMD_TEXSYM):
1.35      kristaps 1292:                texiputchars(p, "TeX");
1.43      kristaps 1293:                break;
                   1294:        case (TEXICMD_TEXTDEGREE):
                   1295:                texiputchars(p, "\\(de");
1.35      kristaps 1296:                break;
1.42      kristaps 1297:        case (TEXICMD_TH):
                   1298:                texiputchars(p, "\\(TP");
                   1299:                break;
                   1300:        case (TEXICMD_THSMALL):
                   1301:                texiputchars(p, "\\(Tp");
                   1302:                break;
1.38      kristaps 1303:        case (TEXICMD_TIE):
1.35      kristaps 1304:                texiputchars(p, "\\ ");
1.1       kristaps 1305:                break;
1.3       kristaps 1306:        case (TEXICMD_COLON):
                   1307:        case (TEXICMD_HYPHEN):
                   1308:                break;
1.1       kristaps 1309:        default:
                   1310:                abort();
                   1311:        }
                   1312:
1.42      kristaps 1313:        /* Alphabetic commands have braces we ignore. */
                   1314:        if (isalpha(texitoks[cmd].tok[0]))
1.5       kristaps 1315:                doignbracket(p, cmd, buf, sz, pos);
1.1       kristaps 1316: }
                   1317:
                   1318: static void
                   1319: doquotation(struct texi *p, enum texicmd cmd,
                   1320:        const char *buf, size_t sz, size_t *pos)
                   1321: {
                   1322:
1.5       kristaps 1323:        teximacro(p, "Qo");
1.1       kristaps 1324:        parseto(p, buf, sz, pos, "quotation");
1.5       kristaps 1325:        teximacro(p, "Qc");
1.1       kristaps 1326: }
                   1327:
1.3       kristaps 1328: static void
                   1329: domath(struct texi *p, enum texicmd cmd,
                   1330:        const char *buf, size_t sz, size_t *pos)
                   1331: {
1.34      kristaps 1332:        size_t   nest, start;
1.3       kristaps 1333:
                   1334:        /*
                   1335:         * Math handling is different from everything else.
                   1336:         * We don't allow any subcomponents, and we ignore the rules in
                   1337:         * terms of @-commands.
                   1338:         * This departs from GNU's rules, but whatever.
                   1339:         */
                   1340:        while (*pos < sz && isws(buf[*pos]))
                   1341:                advance(p, buf, pos);
                   1342:        if (*pos == sz || '{' != buf[*pos])
                   1343:                return;
                   1344:        advance(p, buf, pos);
                   1345:        if (p->seenws && p->outcol && 0 == p->literal)
                   1346:                texiputchar(p, ' ');
                   1347:        p->seenws = 0;
1.34      kristaps 1348:        for (nest = 1, start = *pos; *pos < sz && nest > 0; ) {
1.3       kristaps 1349:                if ('{' == buf[*pos])
                   1350:                        nest++;
                   1351:                else if ('}' == buf[*pos])
                   1352:                        if (0 == --nest)
                   1353:                                continue;
                   1354:                advance(p, buf, pos);
                   1355:        }
                   1356:        if (*pos == sz)
                   1357:                return;
                   1358:        assert('}' == buf[*pos]);
1.34      kristaps 1359:        texiputbuf(p, buf, start, *pos);
1.3       kristaps 1360:        advance(p, buf, pos);
1.24      kristaps 1361: }
                   1362:
                   1363: static void
                   1364: dovalue(struct texi *p, enum texicmd cmd,
                   1365:        const char *buf, size_t sz, size_t *pos)
                   1366: {
1.28      kristaps 1367:        size_t           start, end, i;
1.25      kristaps 1368:        char            *key, *val;
                   1369:        const char      *cp;
1.24      kristaps 1370:
                   1371:        if (TEXICMD_SET == cmd) {
                   1372:                while (*pos < sz && isws(buf[*pos]))
                   1373:                        advance(p, buf, pos);
                   1374:                for (start = end = *pos; end < sz; end++)
                   1375:                        if (ismspace(buf[end]))
                   1376:                                break;
1.25      kristaps 1377:                /* We don't allow empty keys. */
1.24      kristaps 1378:                if (start == end)
                   1379:                        return;
1.25      kristaps 1380:                advanceto(p, buf, pos, end);
1.24      kristaps 1381:
                   1382:                key = malloc(end - start + 1);
1.27      kristaps 1383:                if (NULL == key)
                   1384:                        texiabort(p, NULL);
1.24      kristaps 1385:                memcpy(key, &buf[start], end - start);
                   1386:                key[end - start] = '\0';
                   1387:
                   1388:                while (*pos < sz && isws(buf[*pos]))
                   1389:                        advance(p, buf, pos);
                   1390:                for (start = end = *pos; end < sz; end++)
                   1391:                        if ('\n' == buf[end])
                   1392:                                break;
1.25      kristaps 1393:                /* We do allow empty values. */
                   1394:                advanceeoln(p, buf, sz, pos, 1);
1.24      kristaps 1395:
                   1396:                val = malloc(end - start + 1);
1.27      kristaps 1397:                if (NULL == val)
                   1398:                        texiabort(p, NULL);
1.24      kristaps 1399:                memcpy(val, &buf[start], end - start);
                   1400:                val[end - start] = '\0';
1.25      kristaps 1401:                valueadd(p, key, val);
1.24      kristaps 1402:        } else if (TEXICMD_VALUE == cmd) {
                   1403:                if (p->seenws)
                   1404:                        texiputchar(p, ' ');
                   1405:                p->seenws = 0;
1.28      kristaps 1406:                if (NULL != (cp = valueblookup(p, buf, sz, pos))) {
                   1407:                        for (i = 0; i < p->valstackpos; i++)
                   1408:                                if (cp == p->valstack[i])
                   1409:                                        break;
                   1410:                        if (i < p->valstackpos)
                   1411:                                texierr(p, "recursive value");
1.29      kristaps 1412:                        if (64 == p->valstackpos)
                   1413:                                texierr(p, "too many nested values");
1.28      kristaps 1414:                        p->valstack[p->valstackpos++] = cp;
1.31      kristaps 1415:                        parsemembuf(p, cp, strlen(cp));
1.28      kristaps 1416:                        p->valstackpos--;
                   1417:                } else
1.25      kristaps 1418:                        texiputchars(p, "{No value}");
1.24      kristaps 1419:        } else if (TEXICMD_IFCLEAR == cmd) {
1.26      kristaps 1420:                if (NULL != valuellookup(p, buf, sz, pos))
                   1421:                        doignblock(p, cmd, buf, sz, pos);
                   1422:                else
                   1423:                        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.30      kristaps 1424:        } else if (TEXICMD_IFSET == cmd) {
                   1425:                if (NULL == valuellookup(p, buf, sz, pos))
                   1426:                        doignblock(p, cmd, buf, sz, pos);
                   1427:                else
                   1428:                        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.25      kristaps 1429:        } else if (TEXICMD_CLEAR == cmd)
                   1430:                valuelclear(p, buf, sz, pos);
1.3       kristaps 1431: }
                   1432:
1.1       kristaps 1433: static void
1.8       kristaps 1434: dolink(struct texi *p, enum texicmd cmd,
1.1       kristaps 1435:        const char *buf, size_t sz, size_t *pos)
                   1436: {
1.8       kristaps 1437:        int      c;
1.1       kristaps 1438:
                   1439:        switch (cmd) {
                   1440:        case (TEXICMD_EMAIL):
1.5       kristaps 1441:                teximacroopen(p, "Mt");
1.1       kristaps 1442:                break;
1.3       kristaps 1443:        case (TEXICMD_UREF):
1.1       kristaps 1444:        case (TEXICMD_URL):
1.44      kristaps 1445:        case (TEXICMD_INDICATEURL):
1.5       kristaps 1446:                teximacroopen(p, "Lk");
1.1       kristaps 1447:                break;
1.8       kristaps 1448:        case (TEXICMD_XREF):
                   1449:                texiputchars(p, "See Section");
1.39      kristaps 1450:                teximacroopen(p, "Dq");
1.8       kristaps 1451:                break;
                   1452:        case (TEXICMD_PXREF):
                   1453:                texiputchars(p, "see Section");
1.39      kristaps 1454:                teximacroopen(p, "Dq");
1.8       kristaps 1455:                break;
1.34      kristaps 1456:        case (TEXICMD_INFOREF):
                   1457:                texiputchars(p, "See Info file node");
1.39      kristaps 1458:                teximacroopen(p, "Dq");
1.34      kristaps 1459:                break;
1.1       kristaps 1460:        default:
1.8       kristaps 1461:                abort();
1.1       kristaps 1462:        }
1.8       kristaps 1463:
                   1464:        c = parsearg(p, buf, sz, pos, 0);
                   1465:        p->ign++;
                   1466:        while (c > 0)
                   1467:                c = parsearg(p, buf, sz, pos, 1);
                   1468:        p->ign--;
                   1469:
1.11      kristaps 1470:        texipunctuate(p, buf, sz, pos);
1.8       kristaps 1471:        teximacroclose(p);
                   1472: }
                   1473:
                   1474: static void
                   1475: doignargn(struct texi *p, enum texicmd cmd,
                   1476:        const char *buf, size_t sz, size_t *pos)
                   1477: {
                   1478:        int      c;
                   1479:
                   1480:        c = parsearg(p, buf, sz, pos, 0);
                   1481:        p->ign++;
                   1482:        while (c > 0)
                   1483:                c = parsearg(p, buf, sz, pos, 1);
                   1484:        p->ign--;
1.1       kristaps 1485: }
                   1486:
1.23      kristaps 1487: /*
                   1488:  * Sections can be made subsections and so on by way of the
                   1489:  * @raiseections and @lowersections commands.
                   1490:  * Perform this check here and return the actual section number adjusted
                   1491:  * to the raise level.
                   1492:  */
                   1493: static int
                   1494: sectioner(struct texi *p, int sec)
                   1495: {
                   1496:
                   1497:        if ((sec -= p->secoffs) < 0) {
                   1498:                texiwarn(p, "section below minimum, clamping");
                   1499:                return(0);
                   1500:        } else if (sec >= SECTSZ) {
                   1501:                texiwarn(p, "section above maximum, clamping");
                   1502:                return(SECTSZ - 1);
                   1503:        }
                   1504:        return(sec);
                   1505: }
                   1506:
                   1507: static void
                   1508: dosubsubsection(struct texi *p, enum texicmd cmd,
                   1509:                const char *buf, size_t sz, size_t *pos)
                   1510: {
                   1511:        int      sec;
                   1512:
                   1513:        sec = sectioner(p, 3);
                   1514:
                   1515:        /* We don't have a subsubsubsection, so make one up. */
                   1516:        texivspace(p);
                   1517:        teximacroopen(p, sects[sec]);
                   1518:        parseeoln(p, buf, sz, pos);
                   1519:        teximacroclose(p);
                   1520:        texivspace(p);
                   1521: }
                   1522:
1.1       kristaps 1523: static void
                   1524: dosubsection(struct texi *p, enum texicmd cmd,
                   1525:                const char *buf, size_t sz, size_t *pos)
                   1526: {
1.23      kristaps 1527:        int      sec;
                   1528:
                   1529:        sec = sectioner(p, 2);
1.13      kristaps 1530:
                   1531:        if (p->outmacro)
1.23      kristaps 1532:                texierr(p, "\"%s\" in open line scope!?", sects[sec]);
1.13      kristaps 1533:        else if (p->literal)
1.23      kristaps 1534:                texierr(p, "\"%s\" in a literal scope!?", sects[sec]);
1.1       kristaps 1535:
1.21      kristaps 1536:        /* We don't have a subsubsection, so make one up. */
1.34      kristaps 1537:        if (sec > 1)
                   1538:                texivspace(p);
1.23      kristaps 1539:        teximacroopen(p, sects[sec]);
1.3       kristaps 1540:        parseeoln(p, buf, sz, pos);
1.5       kristaps 1541:        teximacroclose(p);
1.34      kristaps 1542:        if (sec > 1)
                   1543:                texivspace(p);
1.1       kristaps 1544: }
                   1545:
                   1546: static void
1.23      kristaps 1547: dosecoffs(struct texi *p, enum texicmd cmd,
                   1548:        const char *buf, size_t sz, size_t *pos)
                   1549: {
                   1550:
                   1551:        if (TEXICMD_RAISESECTIONS == cmd)
                   1552:                p->secoffs++;
                   1553:        else
                   1554:                p->secoffs--;
                   1555: }
                   1556:
                   1557: static void
1.1       kristaps 1558: dosection(struct texi *p, enum texicmd cmd,
1.23      kristaps 1559:        const char *buf, size_t sz, size_t *pos)
1.1       kristaps 1560: {
1.23      kristaps 1561:        int              sec;
1.12      kristaps 1562:
                   1563:        switch (cmd) {
                   1564:        case (TEXICMD_APPENDIX):
                   1565:        case (TEXICMD_CHAPTER):
                   1566:        case (TEXICMD_TOP):
                   1567:        case (TEXICMD_UNNUMBERED):
1.23      kristaps 1568:                sec = sectioner(p, 0);
1.12      kristaps 1569:                break;
                   1570:        case (TEXICMD_APPENDIXSEC):
                   1571:        case (TEXICMD_HEADING):
                   1572:        case (TEXICMD_SECTION):
                   1573:        case (TEXICMD_UNNUMBEREDSEC):
1.23      kristaps 1574:                sec = sectioner(p, 1);
1.12      kristaps 1575:                break;
                   1576:        default:
                   1577:                abort();
                   1578:        }
1.1       kristaps 1579:
1.3       kristaps 1580:        if (p->outmacro)
1.23      kristaps 1581:                texierr(p, "\"%s\" in open line scope!?", sects[sec]);
1.3       kristaps 1582:        else if (p->literal)
1.23      kristaps 1583:                texierr(p, "\"%s\" in a literal scope!?", sects[sec]);
1.3       kristaps 1584:
1.23      kristaps 1585:        teximacroopen(p, sects[sec]);
1.3       kristaps 1586:        parseeoln(p, buf, sz, pos);
                   1587:        teximacroclose(p);
1.11      kristaps 1588:        p->seenvs = 1;
1.3       kristaps 1589: }
                   1590:
                   1591: static void
                   1592: dosp(struct texi *p, enum texicmd cmd,
                   1593:        const char *buf, size_t sz, size_t *pos)
                   1594: {
                   1595:
1.37      kristaps 1596:        if (p->literal)
                   1597:                texiputchar(p, '\n');
                   1598:        else
                   1599:                texivspace(p);
1.12      kristaps 1600:        /* FIXME: ignore and parseeoln. */
1.3       kristaps 1601:        advanceeoln(p, buf, sz, pos, 1);
1.1       kristaps 1602: }
                   1603:
                   1604: static void
                   1605: dotop(struct texi *p, enum texicmd cmd,
                   1606:        const char *buf, size_t sz, size_t *pos)
                   1607: {
1.10      kristaps 1608:        const char      *cp;
                   1609:        time_t           t;
                   1610:        char             date[32];
                   1611:
1.26      kristaps 1612:        if (--p->ign)
                   1613:                texierr(p, "@top command while ignoring (%d)", p->ign);
                   1614:
1.18      kristaps 1615:        /*
                   1616:         * Here we print our standard mdoc(7) prologue.
                   1617:         * We use the title set with @settitle for the `Nd' description
                   1618:         * and the source document filename (the first one as invoked on
                   1619:         * the command line) for the title.
                   1620:         * The date is set to the current date.
                   1621:         */
1.10      kristaps 1622:        t = time(NULL);
                   1623:        strftime(date, sizeof(date), "%F", localtime(&t));
1.1       kristaps 1624:
1.10      kristaps 1625:        teximacroopen(p, "Dd");
                   1626:        texiputchars(p, date);
                   1627:        teximacroclose(p);
                   1628:        teximacroopen(p, "Dt");
                   1629:        for (cp = p->title; '\0' != *cp; cp++)
                   1630:                texiputchar(p, toupper(*cp));
1.11      kristaps 1631:        texiputchars(p, " 7");
1.10      kristaps 1632:        teximacroclose(p);
1.5       kristaps 1633:        teximacro(p, "Os");
                   1634:        teximacro(p, "Sh NAME");
1.10      kristaps 1635:        teximacroopen(p, "Nm");
1.41      kristaps 1636:        for (cp = p->title; '\0' != *cp; cp++)
                   1637:                texiputchar(p, *cp);
1.10      kristaps 1638:        teximacroclose(p);
                   1639:        teximacroopen(p, "Nd");
1.41      kristaps 1640:        if (NULL != p->subtitle)
                   1641:                for (cp = p->subtitle; '\0' != *cp; cp++)
                   1642:                        texiputchar(p, *cp);
                   1643:        else
                   1644:                texiputchars(p, "Unknown description");
1.10      kristaps 1645:        teximacroclose(p);
1.11      kristaps 1646:        p->seenvs = 1;
1.12      kristaps 1647:        dosection(p, cmd, buf, sz, pos);
1.1       kristaps 1648: }
                   1649:
                   1650: static void
                   1651: doitem(struct texi *p, enum texicmd cmd,
                   1652:        const char *buf, size_t sz, size_t *pos)
                   1653: {
                   1654:
1.18      kristaps 1655:        /* Multitable is using raw tbl(7). */
                   1656:        if (TEXILIST_TABLE == p->list) {
                   1657:                texiputchar(p, '\n');
                   1658:                return;
                   1659:        }
                   1660:
1.3       kristaps 1661:        if (p->outmacro)
                   1662:                texierr(p, "item in open line scope!?");
                   1663:        else if (p->literal)
                   1664:                texierr(p, "item in a literal scope!?");
                   1665:
                   1666:        switch (p->list) {
                   1667:        case (TEXILIST_ITEM):
1.5       kristaps 1668:                teximacroopen(p, "It");
1.3       kristaps 1669:                break;
                   1670:        case (TEXILIST_NOITEM):
1.5       kristaps 1671:                teximacro(p, "It");
1.3       kristaps 1672:                break;
                   1673:        default:
1.11      kristaps 1674:                texivspace(p);
1.3       kristaps 1675:                break;
                   1676:        }
1.18      kristaps 1677:
                   1678:        /* Trick so we don't start with Pp. */
1.11      kristaps 1679:        p->seenvs = 1;
1.3       kristaps 1680:        parseeoln(p, buf, sz, pos);
1.1       kristaps 1681:
1.3       kristaps 1682:        if (TEXILIST_ITEM == p->list)
                   1683:                teximacroclose(p);
1.9       kristaps 1684:        else if (p->outcol > 0)
1.1       kristaps 1685:                texiputchar(p, '\n');
1.18      kristaps 1686: }
                   1687:
                   1688: static void
                   1689: dotab(struct texi *p, enum texicmd cmd,
                   1690:        const char *buf, size_t sz, size_t *pos)
                   1691: {
                   1692:
                   1693:        /* This command is only useful in @multitable. */
                   1694:        if (TEXILIST_TABLE == p->list)
                   1695:                texiputchar(p, '\t');
                   1696: }
                   1697:
                   1698: static void
                   1699: domultitable(struct texi *p, enum texicmd cmd,
                   1700:        const char *buf, size_t sz, size_t *pos)
                   1701: {
                   1702:        enum texilist   sv = p->list;
1.32      kristaps 1703:        int             svliteral = p->literal;
1.18      kristaps 1704:        enum texicmd    type;
                   1705:        size_t          i, end, columns;
                   1706:
                   1707:        p->list = TEXILIST_TABLE;
1.32      kristaps 1708:        /*
                   1709:         * TS/TE blocks aren't "in mdoc(7)", so we can disregard the
                   1710:         * fact that we're in literal mode right now.
                   1711:         */
                   1712:        p->literal = 0;
1.18      kristaps 1713:        teximacro(p, "TS");
                   1714:        columns = 0;
                   1715:
                   1716:        /* Advance to the first argument... */
                   1717:        while (*pos < sz && isws(buf[*pos]))
                   1718:                advance(p, buf, pos);
                   1719:
                   1720:        /* Make sure we don't print anything when scanning. */
                   1721:        p->ign++;
                   1722:        if ('@' == buf[*pos]) {
                   1723:                /*
                   1724:                 * Look for @columnfractions.
                   1725:                 * We ignore these, but we do use the number of
                   1726:                 * arguments to set the number of columns that we'll
                   1727:                 * have.
                   1728:                 */
1.30      kristaps 1729:                type = texicmd(p, buf, *pos, sz, &end, NULL);
1.18      kristaps 1730:                advanceto(p, buf, pos, end);
                   1731:                if (TEXICMD_COLUMNFRACTIONS != type)
1.25      kristaps 1732:                        texierr(p, "unknown multitable command");
1.18      kristaps 1733:                while (*pos < sz && '\n' != buf[*pos]) {
                   1734:                        while (*pos < sz && isws(buf[*pos]))
                   1735:                                advance(p, buf, pos);
                   1736:                        while (*pos < sz && ! isws(buf[*pos])) {
                   1737:                                if ('\n' == buf[*pos])
                   1738:                                        break;
                   1739:                                advance(p, buf, pos);
                   1740:                        }
                   1741:                        columns++;
                   1742:                }
                   1743:        } else
                   1744:                /*
                   1745:                 * We have arguments.
                   1746:                 * We could parse these, but it's easier to just let
                   1747:                 * tbl(7) figure it out.
                   1748:                 * So use this only to count arguments.
                   1749:                 */
                   1750:                while (parselinearg(p, buf, sz, pos) > 0)
                   1751:                        columns++;
                   1752:        p->ign--;
                   1753:
                   1754:        /* Left-justify each table entry. */
                   1755:        for (i = 0; i < columns; i++) {
                   1756:                if (i > 0)
                   1757:                        texiputchar(p, ' ');
                   1758:                texiputchar(p, 'l');
                   1759:        }
                   1760:        texiputchars(p, ".\n");
                   1761:        p->outmacro++;
                   1762:        parseto(p, buf, sz, pos, texitoks[cmd].tok);
                   1763:        p->outmacro--;
                   1764:        teximacro(p, "TE");
1.32      kristaps 1765:        p->literal = svliteral;
1.18      kristaps 1766:        p->list = sv;
1.1       kristaps 1767: }
                   1768:
                   1769: static void
                   1770: dotable(struct texi *p, enum texicmd cmd,
                   1771:        const char *buf, size_t sz, size_t *pos)
                   1772: {
1.3       kristaps 1773:        enum texilist   sv = p->list;
                   1774:
                   1775:        p->list = TEXILIST_ITEM;
1.5       kristaps 1776:        teximacro(p, "Bl -tag -width Ds");
1.12      kristaps 1777:        /* FIXME: ignore and parseeoln. */
                   1778:        advanceeoln(p, buf, sz, pos, 1);
1.11      kristaps 1779:        p->seenvs = 1;
1.20      kristaps 1780:        parseto(p, buf, sz, pos, texitoks[cmd].tok);
1.5       kristaps 1781:        teximacro(p, "El");
1.3       kristaps 1782:        p->list = sv;
1.44      kristaps 1783: }
                   1784:
                   1785: static void
                   1786: doend(struct texi *p, enum texicmd cmd,
                   1787:        const char *buf, size_t sz, size_t *pos)
                   1788: {
                   1789:        size_t   start;
                   1790:
                   1791:        while (*pos < sz && isws(buf[*pos]))
                   1792:                advance(p, buf, pos);
                   1793:        start = *pos;
                   1794:        while (*pos < sz && '\n' != buf[*pos])
                   1795:                advance(p, buf, pos);
                   1796:
                   1797:        texiwarn(p, "unexpected \"end\": %.*s", (int)(*pos - start), &buf[start]);
                   1798:        advanceeoln(p, buf, sz, pos, 1);
1.1       kristaps 1799: }
                   1800:
                   1801: static void
1.2       kristaps 1802: doenumerate(struct texi *p, enum texicmd cmd,
                   1803:        const char *buf, size_t sz, size_t *pos)
                   1804: {
1.3       kristaps 1805:        enum texilist    sv = p->list;
1.2       kristaps 1806:
1.3       kristaps 1807:        p->list = TEXILIST_NOITEM;
1.5       kristaps 1808:        teximacro(p, "Bl -enum");
1.11      kristaps 1809:        p->seenvs = 1;
1.12      kristaps 1810:        /* FIXME: ignore and parseeoln. */
                   1811:        advanceeoln(p, buf, sz, pos, 1);
1.2       kristaps 1812:        parseto(p, buf, sz, pos, "enumerate");
1.5       kristaps 1813:        teximacro(p, "El");
1.3       kristaps 1814:        p->list = sv;
1.2       kristaps 1815: }
                   1816:
                   1817: static void
1.1       kristaps 1818: doitemize(struct texi *p, enum texicmd cmd,
                   1819:        const char *buf, size_t sz, size_t *pos)
                   1820: {
1.3       kristaps 1821:        enum texilist   sv = p->list;
1.1       kristaps 1822:
1.21      kristaps 1823:        p->list = TEXILIST_NOITEM;
1.5       kristaps 1824:        teximacro(p, "Bl -bullet");
1.11      kristaps 1825:        p->seenvs = 1;
1.12      kristaps 1826:        /* FIXME: ignore and parseeoln. */
                   1827:        advanceeoln(p, buf, sz, pos, 1);
1.1       kristaps 1828:        parseto(p, buf, sz, pos, "itemize");
1.5       kristaps 1829:        teximacro(p, "El");
1.3       kristaps 1830:        p->list = sv;
1.1       kristaps 1831: }
                   1832:
                   1833: static void
                   1834: doignbracket(struct texi *p, enum texicmd cmd,
                   1835:        const char *buf, size_t sz, size_t *pos)
                   1836: {
                   1837:
1.3       kristaps 1838:        p->ign++;
1.1       kristaps 1839:        parsebracket(p, buf, sz, pos);
1.3       kristaps 1840:        p->ign--;
1.1       kristaps 1841: }
                   1842:
                   1843: static void
                   1844: doignline(struct texi *p, enum texicmd cmd,
                   1845:        const char *buf, size_t sz, size_t *pos)
                   1846: {
                   1847:
1.12      kristaps 1848:        /* FIXME: ignore and parseeoln. */
1.3       kristaps 1849:        advanceeoln(p, buf, sz, pos, 1);
1.1       kristaps 1850: }
                   1851:
1.8       kristaps 1852: /*
                   1853:  * Parse colon-separated directories from "cp" (if not NULL) and returns
                   1854:  * the array of pointers.
1.40      kristaps 1855:  * Prepends "base" to the array, if found.
1.8       kristaps 1856:  * This does NOT sanitise the directories!
                   1857:  */
1.5       kristaps 1858: static char **
1.27      kristaps 1859: parsedirs(struct texi *p, const char *base, const char *cp, size_t *sz)
1.5       kristaps 1860: {
                   1861:        char             *tok, *str, *tofree;
                   1862:        const char       *cpp;
1.40      kristaps 1863:        size_t            i = 0;
1.5       kristaps 1864:        char            **dirs;
                   1865:
1.40      kristaps 1866:        /* Count up our expected arguments. */
                   1867:        *sz = NULL != base;
                   1868:        if (NULL != (cpp = cp))
                   1869:                for ((*sz)++; NULL != (cpp = strchr(cpp, ':')); (*sz)++)
1.5       kristaps 1870:                        cpp++;
                   1871:
1.40      kristaps 1872:        if (0 == *sz)
                   1873:                return(NULL);
1.27      kristaps 1874:        if (NULL == (dirs = calloc(*sz, sizeof(char *))))
                   1875:                texiabort(p, NULL);
1.40      kristaps 1876:        if (NULL != base && NULL == (dirs[i++] = strdup(base)))
1.27      kristaps 1877:                texiabort(p, NULL);
1.5       kristaps 1878:        if (NULL == cp)
                   1879:                return(dirs);
1.27      kristaps 1880:        if (NULL == (tofree = tok = str = strdup(cp)))
                   1881:                texiabort(p, NULL);
1.5       kristaps 1882:
1.40      kristaps 1883:        for ( ; NULL != (tok = strsep(&str, ":")); i++)
1.27      kristaps 1884:                if (NULL == (dirs[i] = strdup(tok)))
                   1885:                        texiabort(p, NULL);
1.5       kristaps 1886:
                   1887:        free(tofree);
                   1888:        return(dirs);
                   1889: }
                   1890:
1.1       kristaps 1891: int
                   1892: main(int argc, char *argv[])
                   1893: {
                   1894:        struct texi      texi;
1.2       kristaps 1895:        int              c;
1.37      kristaps 1896:        char            *dirpath, *dir, *ccp;
1.10      kristaps 1897:        const char      *progname, *Idir, *cp;
1.1       kristaps 1898:
                   1899:        progname = strrchr(argv[0], '/');
                   1900:        if (progname == NULL)
                   1901:                progname = argv[0];
                   1902:        else
                   1903:                ++progname;
                   1904:
1.10      kristaps 1905:        memset(&texi, 0, sizeof(struct texi));
1.40      kristaps 1906:        texi.ign = 1;
1.5       kristaps 1907:        Idir = NULL;
1.10      kristaps 1908:
1.5       kristaps 1909:        while (-1 != (c = getopt(argc, argv, "I:")))
1.1       kristaps 1910:                switch (c) {
1.5       kristaps 1911:                case ('I'):
                   1912:                        Idir = optarg;
                   1913:                        break;
1.1       kristaps 1914:                default:
                   1915:                        goto usage;
                   1916:                }
                   1917:
                   1918:        argv += optind;
1.40      kristaps 1919:        argc -= optind;
1.1       kristaps 1920:
1.40      kristaps 1921:        if (argc > 0) {
                   1922:                if (NULL == (dirpath = strdup(argv[0])))
                   1923:                        texiabort(&texi, NULL);
                   1924:                if (NULL == (dir = dirname(dirpath)))
                   1925:                        texiabort(&texi, NULL);
                   1926:                if (NULL != (cp = strrchr(argv[0], '/')))
                   1927:                        texi.title = strdup(cp + 1);
                   1928:                else
                   1929:                        texi.title = strdup(argv[0]);
                   1930:                if (NULL == texi.title)
                   1931:                        texiabort(&texi, NULL);
                   1932:                else if (NULL != (ccp = strchr(texi.title, '.')))
                   1933:                        *ccp = '\0';
                   1934:                texi.dirs = parsedirs(&texi, dir, Idir, &texi.dirsz);
                   1935:                free(dirpath);
                   1936:                parsefile(&texi, argv[0], 1);
                   1937:        } else {
                   1938:                texi.title = strdup("Unknown Manual");
                   1939:                texi.dirs = parsedirs(&texi, NULL, Idir, &texi.dirsz);
                   1940:                parsestdin(&texi);
                   1941:        }
1.27      kristaps 1942:
1.2       kristaps 1943:        texiexit(&texi);
                   1944:        return(EXIT_FAILURE);
1.1       kristaps 1945: usage:
1.40      kristaps 1946:        fprintf(stderr, "usage: %s [-Idirs] [file]\n", progname);
1.1       kristaps 1947:        return(EXIT_FAILURE);
                   1948: }

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