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Annotation of texi2mdoc/main.c, Revision 1.57

1.57    ! kristaps    1: /*     $Id: main.c,v 1.56 2015/03/01 13:39:51 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>
1.47      kristaps   29: #include <unistd.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:
1.46      kristaps   41: static void doaccent(struct texi *, enum texicmd, size_t *);
                     42: static void doblock(struct texi *, enum texicmd, size_t *);
                     43: static void dobracket(struct texi *, enum texicmd, size_t *);
                     44: static void dobye(struct texi *, enum texicmd, size_t *);
                     45: static void dodefindex(struct texi *, enum texicmd, size_t *);
                     46: static void dodefn(struct texi *, enum texicmd, size_t *);
                     47: static void dodisplay(struct texi *, enum texicmd, size_t *);
                     48: static void doend(struct texi *, enum texicmd, size_t *);
                     49: static void doenumerate(struct texi *, enum texicmd, size_t *);
                     50: static void doexample(struct texi *, enum texicmd, size_t *);
                     51: static void doignargn(struct texi *, enum texicmd, size_t *);
                     52: static void doignblock(struct texi *, enum texicmd, size_t *);
                     53: static void doignbracket(struct texi *, enum texicmd, size_t *);
                     54: static void doignline(struct texi *, enum texicmd, size_t *);
                     55: static void doinline(struct texi *, enum texicmd, size_t *);
                     56: static void doinclude(struct texi *, enum texicmd, size_t *);
                     57: static void doitem(struct texi *, enum texicmd, size_t *);
                     58: static void doitemize(struct texi *, enum texicmd, size_t *);
                     59: static void dolink(struct texi *, enum texicmd, size_t *);
                     60: static void domacro(struct texi *, enum texicmd, size_t *);
                     61: static void domath(struct texi *, enum texicmd, size_t *);
                     62: static void domultitable(struct texi *, enum texicmd, size_t *);
                     63: static void doquotation(struct texi *, enum texicmd, size_t *);
                     64: static void dotable(struct texi *, enum texicmd, size_t *);
                     65: static void dotop(struct texi *, enum texicmd, size_t *);
                     66: static void dosecoffs(struct texi *, enum texicmd, size_t *);
                     67: static void dosection(struct texi *, enum texicmd, size_t *);
                     68: static void dosp(struct texi *, enum texicmd, size_t *);
                     69: static void dosubsection(struct texi *, enum texicmd, size_t *);
                     70: static void dosubsubsection(struct texi *, enum texicmd, size_t *);
                     71: static void dosymbol(struct texi *, enum texicmd, size_t *);
                     72: static void dotab(struct texi *, enum texicmd, size_t *);
                     73: static void dotitle(struct texi *, enum texicmd, size_t *);
                     74: static void dovalue(struct texi *, enum texicmd, size_t *);
                     75: static void doverb(struct texi *, enum texicmd, size_t *);
                     76: static void doverbatim(struct texi *, enum texicmd, size_t *);
                     77: static void doverbinclude(struct texi *, enum texicmd, 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 */
1.50      kristaps  298:        { dodefindex, "synindex", 8 }, /* TEXICMD_SYNINDEX */
                    299:        { dodefindex, "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
1.46      kristaps  345: dodefindex(struct texi *p, enum texicmd cmd, size_t *pos)
1.27      kristaps  346: {
                    347:        size_t   start, end;
                    348:        char    *cp;
                    349:
1.46      kristaps  350:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                    351:                advance(p, pos);
1.27      kristaps  352:
                    353:        start = end = *pos;
1.46      kristaps  354:        while (end < BUFSZ(p) && ! ismspace(BUF(p)[end]))
1.27      kristaps  355:                end++;
                    356:
                    357:        if (start == end) {
1.46      kristaps  358:                advanceeoln(p, pos, 1);
1.27      kristaps  359:                return;
                    360:        } else if (NULL == (cp = malloc(end - start + 1)))
                    361:                texiabort(p, NULL);
                    362:
1.46      kristaps  363:        memcpy(cp, &BUF(p)[start], end - start);
1.27      kristaps  364:        cp[end - start] = '\0';
                    365:
                    366:        p->indexs = realloc(p->indexs,
                    367:                sizeof(char *) * (p->indexsz + 1));
                    368:
                    369:        if (NULL == p->indexs)
                    370:                texiabort(p, NULL);
                    371:        p->indexs[p->indexsz++] = cp;
                    372: }
                    373:
                    374: static void
1.46      kristaps  375: dodefn(struct texi *p, enum texicmd cmd, size_t *pos)
1.3       kristaps  376: {
                    377:        const char      *blk;
                    378:
1.5       kristaps  379:        blk = NULL;
1.3       kristaps  380:        switch (cmd) {
1.15      kristaps  381:        case (TEXICMD_DEFFN):
1.35      kristaps  382:        case (TEXICMD_DEFMAC):
1.15      kristaps  383:        case (TEXICMD_DEFTP):
1.3       kristaps  384:        case (TEXICMD_DEFTYPEFN):
                    385:        case (TEXICMD_DEFTYPEFUN):
1.34      kristaps  386:        case (TEXICMD_DEFTYPEMETHOD):
1.15      kristaps  387:        case (TEXICMD_DEFTYPEVAR):
                    388:        case (TEXICMD_DEFTYPEVR):
                    389:        case (TEXICMD_DEFUN):
                    390:        case (TEXICMD_DEFVAR):
                    391:        case (TEXICMD_DEFVR):
1.5       kristaps  392:                blk = texitoks[cmd].tok;
1.3       kristaps  393:                break;
1.5       kristaps  394:        default:
1.3       kristaps  395:                break;
                    396:        }
                    397:
                    398:        if (p->ign) {
1.15      kristaps  399:                NULL != blk ?
1.46      kristaps  400:                        parseto(p, pos, blk) :
                    401:                        parseeoln(p, pos);
1.3       kristaps  402:                return;
                    403:        }
                    404:
1.15      kristaps  405:        if (NULL != blk)
                    406:                texivspace(p);
                    407:
1.3       kristaps  408:        switch (cmd) {
1.34      kristaps  409:        case (TEXICMD_DEFTYPEMETHOD):
                    410:        case (TEXICMD_DEFTYPEMETHODX):
                    411:                texiputchars(p, "Method");
                    412:                break;
1.15      kristaps  413:        case (TEXICMD_DEFMAC):
                    414:        case (TEXICMD_DEFMACX):
                    415:                texiputchars(p, "Macro");
                    416:                break;
                    417:        case (TEXICMD_DEFTYPEVAR):
                    418:        case (TEXICMD_DEFTYPEVARX):
                    419:        case (TEXICMD_DEFVAR):
                    420:        case (TEXICMD_DEFVARX):
                    421:                texiputchars(p, "Variable");
                    422:                break;
1.3       kristaps  423:        case (TEXICMD_DEFTYPEFUN):
1.15      kristaps  424:        case (TEXICMD_DEFTYPEFUNX):
                    425:        case (TEXICMD_DEFUN):
                    426:        case (TEXICMD_DEFUNX):
                    427:                texiputchars(p, "Function");
1.3       kristaps  428:                break;
                    429:        default:
1.46      kristaps  430:                parselinearg(p, pos);
1.3       kristaps  431:                break;
                    432:        }
1.15      kristaps  433:
1.48      kristaps  434:        texiputchar(p, ':');
                    435:        texiputchar(p, '\n');
1.15      kristaps  436:
                    437:        switch (cmd) {
                    438:        case (TEXICMD_DEFMAC):
                    439:        case (TEXICMD_DEFMACX):
                    440:                teximacroopen(p, "Dv");
1.46      kristaps  441:                while (parselinearg(p, pos))
1.15      kristaps  442:                        /* Spin. */ ;
                    443:                teximacroclose(p);
                    444:                break;
                    445:        case (TEXICMD_DEFFN):
                    446:        case (TEXICMD_DEFFNX):
                    447:        case (TEXICMD_DEFUN):
                    448:        case (TEXICMD_DEFUNX):
                    449:                teximacroopen(p, "Fo");
1.46      kristaps  450:                parselinearg(p, pos);
1.15      kristaps  451:                teximacroclose(p);
                    452:                teximacroopen(p, "Fa");
1.46      kristaps  453:                while (parselinearg(p, pos))
1.15      kristaps  454:                        /* Spin. */ ;
                    455:                teximacroclose(p);
                    456:                teximacro(p, "Fc");
                    457:                break;
                    458:        case (TEXICMD_DEFTYPEFUN):
                    459:        case (TEXICMD_DEFTYPEFUNX):
                    460:        case (TEXICMD_DEFTYPEFN):
                    461:        case (TEXICMD_DEFTYPEFNX):
1.34      kristaps  462:        case (TEXICMD_DEFTYPEMETHOD):
                    463:        case (TEXICMD_DEFTYPEMETHODX):
1.15      kristaps  464:                teximacroopen(p, "Ft");
1.46      kristaps  465:                parselinearg(p, pos);
1.15      kristaps  466:                teximacroclose(p);
                    467:                teximacroopen(p, "Fo");
1.46      kristaps  468:                parselinearg(p, pos);
1.15      kristaps  469:                teximacroclose(p);
                    470:                teximacroopen(p, "Fa");
1.46      kristaps  471:                while (parselinearg(p, pos))
1.15      kristaps  472:                        /* Spin. */ ;
                    473:                teximacroclose(p);
                    474:                teximacro(p, "Fc");
                    475:                break;
                    476:        case (TEXICMD_DEFTP):
                    477:        case (TEXICMD_DEFTPX):
                    478:        case (TEXICMD_DEFTYPEVAR):
                    479:        case (TEXICMD_DEFTYPEVARX):
                    480:        case (TEXICMD_DEFTYPEVR):
                    481:        case (TEXICMD_DEFTYPEVRX):
                    482:                teximacroopen(p, "Vt");
1.46      kristaps  483:                while (parselinearg(p, pos))
1.15      kristaps  484:                        /* Spin. */ ;
                    485:                teximacroclose(p);
                    486:                break;
                    487:        case (TEXICMD_DEFVAR):
                    488:        case (TEXICMD_DEFVARX):
                    489:        case (TEXICMD_DEFVR):
                    490:        case (TEXICMD_DEFVRX):
                    491:                teximacroopen(p, "Va");
1.46      kristaps  492:                while (parselinearg(p, pos))
1.15      kristaps  493:                        /* Spin. */ ;
                    494:                teximacroclose(p);
                    495:                break;
                    496:        default:
                    497:                abort();
1.3       kristaps  498:        }
1.15      kristaps  499:
1.54      kristaps  500:        if (NULL == blk)
                    501:                return;
                    502:
                    503:        /*
                    504:         * All "block" definitions have their block bodies indented
                    505:         * unless they have the "x" form of the command following.
                    506:         * E.g.,
                    507:         *   @deffn some function
                    508:         *   @deffnx another
                    509:         *   An explanation.
                    510:         *   @end deffn
                    511:         * With this loop, we delay opening the indented block until we
                    512:         * skipped past conformant macros.
                    513:         */
                    514:        for (;;) {
                    515:                switch (peekcmd(p, *pos)) {
                    516:                case (TEXICMD_DEFFNX):
                    517:                case (TEXICMD_DEFMACX):
                    518:                case (TEXICMD_DEFTPX):
                    519:                case (TEXICMD_DEFTYPEFNX):
                    520:                case (TEXICMD_DEFTYPEFUNX):
                    521:                case (TEXICMD_DEFTYPEMETHODX):
                    522:                case (TEXICMD_DEFTYPEVARX):
                    523:                case (TEXICMD_DEFTYPEVRX):
                    524:                case (TEXICMD_DEFUNX):
                    525:                case (TEXICMD_DEFVARX):
                    526:                case (TEXICMD_DEFVRX):
                    527:                        texivspace(p);
                    528:                        parseeoln(p, pos);
                    529:                        continue;
                    530:                default:
                    531:                        break;
                    532:                }
                    533:                break;
                    534:        }
                    535:        teximacro(p, "Bd -filled -offset indent");
                    536:        p->seenvs = 1;
                    537:        parseto(p, pos, blk);
                    538:        teximacro(p, "Ed");
1.3       kristaps  539: }
                    540:
                    541: static void
1.46      kristaps  542: domacro(struct texi *p, enum texicmd cmd, size_t *pos)
1.30      kristaps  543: {
                    544:        size_t            start, end, endtoksz, len;
                    545:        struct teximacro  m;
                    546:        const char       *endtok, *blk;
                    547:
                    548:        memset(&m, 0, sizeof(struct teximacro));
                    549:
1.46      kristaps  550:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                    551:                advance(p, pos);
1.30      kristaps  552:
1.46      kristaps  553:        for (start = end = *pos; end < BUFSZ(p); end++)
                    554:                if (ismspace(BUF(p)[end]) || '{' == BUF(p)[end])
1.30      kristaps  555:                        break;
                    556:
                    557:        if (start == end)
                    558:                texierr(p, "zero-length macro name");
                    559:
1.46      kristaps  560:        advanceto(p, pos, end);
1.30      kristaps  561:
                    562:        m.key = malloc(end - start + 1);
                    563:        if (NULL == m.key)
                    564:                texiabort(p, NULL);
1.46      kristaps  565:        memcpy(m.key, &BUF(p)[start], end - start);
1.30      kristaps  566:        m.key[end - start] = '\0';
                    567:
1.46      kristaps  568:        m.args = argparse(p, pos, &m.argsz, 0);
1.30      kristaps  569:
1.46      kristaps  570:        /* Note: we advance to the beginning of the macro. */
                    571:        advanceeoln(p, pos, 1);
                    572:
                    573:        /*
                    574:         * According to the Texinfo manual, the macro ends on the
                    575:         * newline subsequent the @end macro.
                    576:         * That's COMPLETELY FUCKING WRONG.
                    577:         * It ends inclusive the newline, which is why so many macros
                    578:         * say things like @r{hello}@c, where the subsequent @c swallows
                    579:         * the newline.
                    580:         * However, it does swallow the leading newline, so look for the
                    581:         * @end macro without the leading newline else we might look
                    582:         * past empty macros.
                    583:         */
1.30      kristaps  584:        start = *pos;
1.46      kristaps  585:        endtok = "@end macro\n";
1.30      kristaps  586:        endtoksz = strlen(endtok);
1.46      kristaps  587:        blk = memmem(&BUF(p)[start], BUFSZ(p) - start, endtok, endtoksz);
1.30      kristaps  588:        if (NULL == blk)
                    589:                texierr(p, "unterminated macro body");
1.46      kristaps  590:        /* Roll us back one character. */
                    591:        while (&BUF(p)[*pos] != blk)
                    592:                advance(p, pos);
                    593:        assert('@' == BUF(p)[*pos]);
                    594:        if ('\n' != BUF(p)[*pos - 1])
                    595:                texierr(p, "cannot handle @end macro in-line");
                    596:
                    597:        len = blk - &BUF(p)[start];
1.30      kristaps  598:        m.value = malloc(len + 1);
                    599:        if (NULL == m.value)
                    600:                texiabort(p, NULL);
1.46      kristaps  601:        memcpy(m.value, &BUF(p)[start], len);
1.30      kristaps  602:        m.value[len] = '\0';
                    603:
                    604:        p->macros = realloc
                    605:                (p->macros,
                    606:                (p->macrosz + 1) *
                    607:                sizeof(struct teximacro));
                    608:        if (NULL == p->macros)
                    609:                texiabort(p, NULL);
                    610:
                    611:        p->macros[p->macrosz++] = m;
1.46      kristaps  612:        advanceeoln(p, pos, 1);
1.30      kristaps  613: }
                    614:
                    615: static void
1.46      kristaps  616: doignblock(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  617: {
1.45      kristaps  618:        char             end[32], start[32];
                    619:        const char      *endt, *startt;
                    620:        size_t           esz, ssz, newpos, stack;
1.26      kristaps  621:
                    622:        /*
1.45      kristaps  623:         * FIXME: this is cheating.
                    624:         * These tokens are supposed to begin on a newline.
                    625:         * However, if we do that, then we would need to check within
                    626:         * the loop for trailer (or leading, as the case may be)
                    627:         * newline, and that's just a bit too complicated right now.
                    628:         * This is becasue
                    629:         *      @ifset BAR
                    630:         *      @ifset FOO
                    631:         *      @end ifset
                    632:         *      @end ifset
                    633:         * won't work right now: we'd read after the first "@end ifset"
                    634:         * to the next line, then look for the next line after that.
1.26      kristaps  635:         */
1.45      kristaps  636:        ssz = snprintf(start, sizeof(start),
                    637:                "@%s", texitoks[cmd].tok);
                    638:        assert(ssz < sizeof(start));
                    639:        esz = snprintf(end, sizeof(end),
                    640:                "@end %s\n", texitoks[cmd].tok);
                    641:        assert(esz < sizeof(end));
                    642:        stack = 1;
                    643:
                    644:        /*
                    645:         * Here we look for the end token "end" somewhere in the file in
                    646:         * front of us.
                    647:         * It's not that easy, of course: if we have a nested block,
                    648:         * then there'll be an "end" token of the same kind between us.
                    649:         * Thus, we keep track of scopes for matching "end" blocks.
1.26      kristaps  650:         */
1.46      kristaps  651:        while (stack > 0 && *pos < BUFSZ(p)) {
1.52      kristaps  652:                if (stack > 64)
                    653:                        texierr(p, "run-away nested stack?");
1.46      kristaps  654:                endt = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, end, esz);
                    655:                startt = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, start, ssz);
1.45      kristaps  656:                if (NULL == endt) {
                    657:                        texiwarn(p, "unterminated \"%s\" "
                    658:                                "block", texitoks[cmd].tok);
1.46      kristaps  659:                        *pos = BUFSZ(p);
1.45      kristaps  660:                        break;
                    661:                }
1.26      kristaps  662:
1.45      kristaps  663:                newpos = *pos;
                    664:                if (NULL == startt || startt > endt) {
1.46      kristaps  665:                        newpos += esz + (size_t)(endt - &BUF(p)[*pos]);
1.45      kristaps  666:                        stack--;
                    667:                } else {
1.46      kristaps  668:                        newpos += ssz + (size_t)(startt - &BUF(p)[*pos]);
1.45      kristaps  669:                        stack++;
                    670:                }
                    671:
1.46      kristaps  672:                assert(newpos <= BUFSZ(p));
1.45      kristaps  673:                while (*pos < newpos)
1.46      kristaps  674:                        advance(p, pos);
1.45      kristaps  675:        }
1.1       kristaps  676: }
                    677:
                    678: static void
1.46      kristaps  679: doblock(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  680: {
                    681:
1.46      kristaps  682:        parseto(p, pos, texitoks[cmd].tok);
1.1       kristaps  683: }
                    684:
                    685: static void
1.46      kristaps  686: doinline(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  687: {
1.21      kristaps  688:        const char      *macro = NULL;
1.12      kristaps  689:
                    690:        switch (cmd) {
1.21      kristaps  691:        case (TEXICMD_CODE):
                    692:        case (TEXICMD_KBD):
                    693:        case (TEXICMD_SAMP):
                    694:        case (TEXICMD_T):
                    695:                macro = "Li";
                    696:                break;
                    697:        case (TEXICMD_CITE):
                    698:        case (TEXICMD_DFN):
                    699:        case (TEXICMD_EMPH):
                    700:        case (TEXICMD_I):
                    701:        case (TEXICMD_SLANTED):
                    702:                macro = "Em";
                    703:                break;
                    704:        case (TEXICMD_B):
                    705:        case (TEXICMD_STRONG):
                    706:                macro = "Sy";
                    707:                break;
1.12      kristaps  708:        case (TEXICMD_COMMAND):
                    709:                macro = "Xr";
                    710:                break;
                    711:        case (TEXICMD_ENV):
                    712:                macro = "Ev";
                    713:                break;
                    714:        case (TEXICMD_FILE):
                    715:                macro = "Pa";
                    716:                break;
1.16      kristaps  717:        case (TEXICMD_OPTION):
                    718:                macro = "Op";
                    719:                break;
1.12      kristaps  720:        case (TEXICMD_VAR):
                    721:                macro = "Va";
                    722:                break;
                    723:        default:
1.22      kristaps  724:                break;
1.12      kristaps  725:        }
                    726:
1.25      kristaps  727:        if (NULL == macro || p->literal || TEXILIST_TABLE == p->list) {
1.53      kristaps  728:                parsebracket(p, pos, 0);
1.12      kristaps  729:                return;
                    730:        }
1.1       kristaps  731:
1.5       kristaps  732:        teximacroopen(p, macro);
1.1       kristaps  733:        p->seenws = 0;
1.53      kristaps  734:        parsebracket(p, pos, 0);
1.46      kristaps  735:        texipunctuate(p, pos);
1.5       kristaps  736:        teximacroclose(p);
1.1       kristaps  737: }
                    738:
                    739: static void
1.46      kristaps  740: doverb(struct texi *p, enum texicmd cmd, size_t *pos)
1.33      kristaps  741: {
                    742:        char     delim;
1.34      kristaps  743:        size_t   start;
1.33      kristaps  744:
1.46      kristaps  745:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                    746:                advance(p, pos);
                    747:        if (*pos == BUFSZ(p) || '{' != BUF(p)[*pos])
1.33      kristaps  748:                return;
1.46      kristaps  749:        advance(p, pos);
                    750:        if (*pos == BUFSZ(p))
1.33      kristaps  751:                return;
                    752:
1.46      kristaps  753:        delim = BUF(p)[*pos];
                    754:        advance(p, pos);
1.33      kristaps  755:        /* Make sure we flush out our initial whitespace... */
                    756:        if (p->seenws && p->outcol && 0 == p->literal)
                    757:                texiputchar(p, ' ');
                    758:        p->seenws = 0;
1.34      kristaps  759:        start = *pos;
1.33      kristaps  760:        /* Read until we see the delimiter then end-brace. */
1.46      kristaps  761:        while (*pos < BUFSZ(p) - 1) {
                    762:                if (BUF(p)[*pos] == delim && BUF(p)[*pos + 1] == '}')
1.33      kristaps  763:                        break;
1.46      kristaps  764:                advance(p, pos);
1.33      kristaps  765:        }
1.51      kristaps  766:        if (*pos >= BUFSZ(p) - 1)
1.33      kristaps  767:                return;
1.46      kristaps  768:        texiputbuf(p, start, *pos);
1.34      kristaps  769:
1.33      kristaps  770:        /* Make sure we read after the end-brace. */
1.46      kristaps  771:        assert(delim == BUF(p)[*pos]);
                    772:        advance(p, pos);
                    773:        assert('}' == BUF(p)[*pos]);
                    774:        advance(p, pos);
1.33      kristaps  775: }
                    776:
                    777: static void
1.46      kristaps  778: doverbatim(struct texi *p, enum texicmd cmd, size_t *pos)
1.25      kristaps  779: {
                    780:        const char      *end, *term;
                    781:        size_t           endsz, endpos;
                    782:
1.45      kristaps  783:        /* We read from the @verbatim\n newline inclusive! */
1.25      kristaps  784:        end = "\n@end verbatim\n";
                    785:        endsz = strlen(end);
1.46      kristaps  786:        advanceeoln(p, pos, 0);
                    787:        if (*pos == BUFSZ(p)) {
1.45      kristaps  788:                texiwarn(p, "unexpected end of file");
                    789:                return;
                    790:        }
1.25      kristaps  791:
1.46      kristaps  792:        term = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, end, endsz);
1.45      kristaps  793:        if (NULL == term) {
                    794:                texiwarn(p, "unterminated verbatim block");
1.46      kristaps  795:                endpos = BUFSZ(p);
1.45      kristaps  796:        } else
1.46      kristaps  797:                endpos = *pos + (size_t)(term - &BUF(p)[*pos]);
1.25      kristaps  798:
1.46      kristaps  799:        assert(endpos <= BUFSZ(p));
                    800:        assert('\n' == BUF(p)[*pos]);
                    801:        advance(p, pos);
1.25      kristaps  802:        teximacro(p, "Bd -literal -offset indent");
1.26      kristaps  803:        while (*pos < endpos) {
1.46      kristaps  804:                texiputchar(p, BUF(p)[*pos]);
                    805:                advance(p, pos);
1.25      kristaps  806:        }
                    807:        teximacro(p, "Ed");
1.46      kristaps  808:        if (*pos < BUFSZ(p))
                    809:                advanceto(p, pos, endpos + endsz);
1.25      kristaps  810: }
                    811:
                    812: static void
1.46      kristaps  813: doverbinclude(struct texi *p, enum texicmd cmd, size_t *pos)
1.16      kristaps  814: {
1.25      kristaps  815:        char             fname[PATH_MAX], path[PATH_MAX];
                    816:        int              rc;
                    817:        size_t           i, end;
                    818:        const char      *v;
                    819:        enum texicmd     type;
1.16      kristaps  820:
1.46      kristaps  821:        while (*pos < BUFSZ(p) && ' ' == BUF(p)[*pos])
                    822:                advance(p, pos);
1.16      kristaps  823:
1.46      kristaps  824:        for (i = 0; *pos < BUFSZ(p) && '\n' != BUF(p)[*pos]; ) {
1.16      kristaps  825:                if (i == sizeof(fname) - 1)
                    826:                        break;
1.46      kristaps  827:                if ('@' != BUF(p)[*pos]) {
                    828:                        fname[i++] = BUF(p)[*pos];
                    829:                        advance(p, pos);
1.25      kristaps  830:                        continue;
                    831:                }
1.46      kristaps  832:                type = texicmd(p, *pos, &end, NULL);
                    833:                advanceto(p, pos, end);
1.25      kristaps  834:                if (TEXICMD_VALUE != type)
                    835:                        texierr(p, "unknown verbatiminclude command");
1.46      kristaps  836:                v = valueblookup(p, pos);
1.25      kristaps  837:                if (NULL == v)
                    838:                        continue;
                    839:                while ('\0' != *v) {
                    840:                        if (i == sizeof(fname) - 1)
                    841:                                break;
                    842:                        fname[i++] = *v++;
                    843:                }
                    844:                if ('\0' != *v)
                    845:                        break;
1.16      kristaps  846:        }
                    847:
                    848:        if (i == 0)
                    849:                texierr(p, "path too short");
1.46      kristaps  850:        else if ('\n' != BUF(p)[*pos])
1.16      kristaps  851:                texierr(p, "path too long");
                    852:        else if ('/' == fname[0])
                    853:                texierr(p, "no absolute paths");
                    854:        fname[i] = '\0';
                    855:
                    856:        if (strstr(fname, "../") || strstr(fname, "/.."))
                    857:                texierr(p, "insecure path");
                    858:
                    859:        rc = snprintf(path, sizeof(path),
                    860:                "%s/%s", p->dirs[0], fname);
                    861:        if (rc < 0)
                    862:                texierr(p, "couldn't format path");
                    863:        else if ((size_t)rc >= sizeof(path))
                    864:                texierr(p, "path too long");
                    865:
                    866:        parsefile(p, path, 0);
                    867: }
                    868:
                    869: static void
1.46      kristaps  870: doinclude(struct texi *p, enum texicmd cmd, size_t *pos)
1.2       kristaps  871: {
1.25      kristaps  872:        char             fname[PATH_MAX], path[PATH_MAX];
                    873:        size_t           i, end;
                    874:        int              rc;
                    875:        const char      *v;
                    876:        enum texicmd     type;
1.2       kristaps  877:
1.46      kristaps  878:        while (*pos < BUFSZ(p) && ' ' == BUF(p)[*pos])
                    879:                advance(p, pos);
1.2       kristaps  880:
                    881:        /* Read in the filename. */
1.46      kristaps  882:        for (i = 0; *pos < BUFSZ(p) && '\n' != BUF(p)[*pos]; ) {
1.2       kristaps  883:                if (i == sizeof(fname) - 1)
                    884:                        break;
1.46      kristaps  885:                if ('@' != BUF(p)[*pos]) {
                    886:                        fname[i++] = BUF(p)[*pos];
                    887:                        advance(p, pos);
1.25      kristaps  888:                        continue;
                    889:                }
1.46      kristaps  890:                type = texicmd(p, *pos, &end, NULL);
                    891:                advanceto(p, pos, end);
1.25      kristaps  892:                if (TEXICMD_VALUE != type)
                    893:                        texierr(p, "unknown include command");
1.46      kristaps  894:                v = valueblookup(p, pos);
1.25      kristaps  895:                if (NULL == v)
                    896:                        continue;
                    897:                while ('\0' != *v) {
                    898:                        if (i == sizeof(fname) - 1)
                    899:                                break;
                    900:                        fname[i++] = *v++;
                    901:                }
                    902:                if ('\0' != *v)
                    903:                        break;
1.2       kristaps  904:        }
                    905:
                    906:        if (i == 0)
                    907:                texierr(p, "path too short");
1.46      kristaps  908:        else if ('\n' != BUF(p)[*pos])
1.2       kristaps  909:                texierr(p, "path too long");
                    910:        else if ('/' == fname[0])
                    911:                texierr(p, "no absolute paths");
                    912:        fname[i] = '\0';
                    913:
                    914:        if (strstr(fname, "../") || strstr(fname, "/.."))
                    915:                texierr(p, "insecure path");
                    916:
1.5       kristaps  917:        for (i = 0; i < p->dirsz; i++) {
                    918:                rc = snprintf(path, sizeof(path),
                    919:                        "%s/%s", p->dirs[i], fname);
                    920:                if (rc < 0)
                    921:                        texierr(p, "couldn't format path");
                    922:                else if ((size_t)rc >= sizeof(path))
                    923:                        texierr(p, "path too long");
                    924:                else if (-1 == access(path, R_OK))
                    925:                        continue;
                    926:
1.16      kristaps  927:                parsefile(p, path, 1);
1.5       kristaps  928:                return;
                    929:        }
1.2       kristaps  930:
1.5       kristaps  931:        texierr(p, "couldn't find %s in includes", fname);
1.2       kristaps  932: }
                    933:
                    934: static void
1.46      kristaps  935: dobracket(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  936: {
                    937:
1.53      kristaps  938:        parsebracket(p, pos, 0);
1.1       kristaps  939: }
                    940:
                    941: static void
1.46      kristaps  942: dodisplay(struct texi *p, enum texicmd cmd, size_t *pos)
1.3       kristaps  943: {
                    944:
1.57    ! kristaps  945:        advanceeoln(p, pos, 1);
        !           946:
1.20      kristaps  947:        switch (cmd) {
                    948:        case (TEXICMD_FORMAT):
                    949:        case (TEXICMD_SMALLFORMAT):
                    950:                teximacro(p, "Bd -filled");
                    951:                break;
                    952:        default:
                    953:                teximacro(p, "Bd -filled -offset indent");
                    954:                break;
                    955:        }
                    956:
1.11      kristaps  957:        p->seenvs = 1;
1.46      kristaps  958:        parseto(p, pos, texitoks[cmd].tok);
1.5       kristaps  959:        teximacro(p, "Ed");
1.3       kristaps  960: }
                    961:
                    962: static void
1.46      kristaps  963: doexample(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  964: {
                    965:
1.57    ! kristaps  966:        advanceeoln(p, pos, 1);
        !           967:
1.5       kristaps  968:        teximacro(p, "Bd -literal -offset indent");
1.3       kristaps  969:        p->literal++;
1.46      kristaps  970:        parseto(p, pos, texitoks[cmd].tok);
1.3       kristaps  971:        p->literal--;
1.5       kristaps  972:        teximacro(p, "Ed");
1.1       kristaps  973: }
                    974:
                    975: static void
1.46      kristaps  976: dobye(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps  977: {
                    978:
                    979:        texiexit(p);
                    980:        exit(EXIT_SUCCESS);
                    981: }
                    982:
                    983: static void
1.46      kristaps  984: dotitle(struct texi *p, enum texicmd cmd, size_t *pos)
1.10      kristaps  985: {
1.57    ! kristaps  986:        size_t   start;
1.10      kristaps  987:
1.46      kristaps  988:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                    989:                advance(p, pos);
1.57    ! kristaps  990:
        !           991:        /* We want to suck down the entire line, inclusive \n. */
        !           992:        start = *pos;
        !           993:        while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) {
        !           994:                if ('@' == BUF(p)[*pos])
        !           995:                        advance(p, pos);
        !           996:                advance(p, pos);
        !           997:        }
        !           998:        if (*pos < BUFSZ(p))
        !           999:                advance(p, pos);
        !          1000:
        !          1001:        /* Copy this into a buffer. */
1.10      kristaps 1002:        free(p->subtitle);
1.57    ! kristaps 1003:        if (NULL == (p->subtitle = malloc(*pos - start + 1)))
1.27      kristaps 1004:                texiabort(p, NULL);
1.57    ! kristaps 1005:        memcpy(p->subtitle, &BUF(p)[start], *pos - start);
        !          1006:        p->subtitle[*pos - start] = '\0';
1.10      kristaps 1007: }
                   1008:
                   1009: static void
1.46      kristaps 1010: doaccent(struct texi *p, enum texicmd cmd, size_t *pos)
1.16      kristaps 1011: {
1.42      kristaps 1012:        int      brace = 0;
1.16      kristaps 1013:
1.46      kristaps 1014:        if (*pos == BUFSZ(p)) {
1.42      kristaps 1015:                texiwarn(p, "truncated: @%s", texitoks[cmd].tok);
1.16      kristaps 1016:                return;
1.42      kristaps 1017:        }
                   1018:
                   1019:        /* Pad us with space, if necessary. */
                   1020:        if (p->seenws && p->outcol && 0 == p->literal) {
1.34      kristaps 1021:                texiputchar(p, ' ');
1.42      kristaps 1022:                p->seenws = 0;
                   1023:        }
                   1024:
                   1025:        /*
                   1026:         * If we're braced, then that's that.
                   1027:         * Otherwise, in a special Texinfo case: if we're a non
                   1028:         * alphabetic command of one letter, then the next character is
                   1029:         * the critical one.
                   1030:         * Otherwise, space can sit between us and our argument.
                   1031:         */
1.46      kristaps 1032:        if ('{' == BUF(p)[*pos]) {
1.42      kristaps 1033:                brace = 1;
1.46      kristaps 1034:                advance(p, pos);
1.49      kristaps 1035:        } else if (isalpha((unsigned char)texitoks[cmd].tok[0]))
1.46      kristaps 1036:                while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1037:                        advance(p, pos);
1.42      kristaps 1038:
1.46      kristaps 1039:        if (*pos == BUFSZ(p)) {
1.42      kristaps 1040:                texiwarn(p, "truncated: @%s", texitoks[cmd].tok);
                   1041:                return;
                   1042:        }
                   1043:
                   1044:        switch (cmd) {
1.16      kristaps 1045:        case (TEXICMD_ACUTE):
1.46      kristaps 1046:                switch (BUF(p)[*pos]) {
1.16      kristaps 1047:                case ('a'): case ('A'):
                   1048:                case ('e'): case ('E'):
                   1049:                case ('i'): case ('I'):
                   1050:                case ('o'): case ('O'):
                   1051:                case ('u'): case ('U'):
                   1052:                        texiputchars(p, "\\(\'");
                   1053:                        break;
                   1054:                default:
1.42      kristaps 1055:                        texiwarn(p, "ignoring accent");
                   1056:                        break;
1.16      kristaps 1057:                }
1.46      kristaps 1058:                texiputchar(p, BUF(p)[*pos]);
                   1059:                advance(p, pos);
1.42      kristaps 1060:                break;
                   1061:        case (TEXICMD_CEDILLA):
1.46      kristaps 1062:                if ('c' == BUF(p)[*pos] || 'C' == BUF(p)[*pos])
1.42      kristaps 1063:                        texiputchars(p, "\\(,");
                   1064:                else
                   1065:                        texiwarn(p, "ignoring accent");
1.46      kristaps 1066:                texiputchar(p, BUF(p)[*pos]);
                   1067:                advance(p, pos);
1.16      kristaps 1068:                break;
                   1069:        case (TEXICMD_CIRCUMFLEX):
1.46      kristaps 1070:                switch (BUF(p)[*pos]) {
1.16      kristaps 1071:                case ('a'): case ('A'):
                   1072:                case ('e'): case ('E'):
                   1073:                case ('i'): case ('I'):
                   1074:                case ('o'): case ('O'):
                   1075:                case ('u'): case ('U'):
                   1076:                        texiputchars(p, "\\(^");
                   1077:                        break;
                   1078:                default:
1.42      kristaps 1079:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1080:                        break;
1.16      kristaps 1081:                }
1.46      kristaps 1082:                texiputchar(p, BUF(p)[*pos]);
                   1083:                advance(p, pos);
1.42      kristaps 1084:                break;
                   1085:        case (TEXICMD_DOTLESS):
1.46      kristaps 1086:                if ('i' == BUF(p)[*pos] || 'j' == BUF(p)[*pos])
1.42      kristaps 1087:                        texiputchars(p, "\\(.");
                   1088:                else
                   1089:                        texiwarn(p, "ignoring accent");
1.46      kristaps 1090:                texiputchar(p, BUF(p)[*pos]);
                   1091:                advance(p, pos);
1.16      kristaps 1092:                break;
                   1093:        case (TEXICMD_GRAVE):
1.46      kristaps 1094:                switch (BUF(p)[*pos]) {
1.16      kristaps 1095:                case ('a'): case ('A'):
                   1096:                case ('e'): case ('E'):
                   1097:                case ('i'): case ('I'):
                   1098:                case ('o'): case ('O'):
                   1099:                case ('u'): case ('U'):
                   1100:                        texiputchars(p, "\\(`");
                   1101:                        break;
                   1102:                default:
1.42      kristaps 1103:                        texiwarn(p, "ignoring accent");
                   1104:                        break;
1.16      kristaps 1105:                }
1.46      kristaps 1106:                texiputchar(p, BUF(p)[*pos]);
                   1107:                advance(p, pos);
1.16      kristaps 1108:                break;
                   1109:        case (TEXICMD_TILDE):
1.46      kristaps 1110:                switch (BUF(p)[*pos]) {
1.16      kristaps 1111:                case ('a'): case ('A'):
                   1112:                case ('n'): case ('N'):
                   1113:                case ('o'): case ('O'):
                   1114:                        texiputchars(p, "\\(~");
                   1115:                        break;
                   1116:                default:
1.42      kristaps 1117:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1118:                        break;
1.16      kristaps 1119:                }
1.46      kristaps 1120:                texiputchar(p, BUF(p)[*pos]);
                   1121:                advance(p, pos);
1.16      kristaps 1122:                break;
                   1123:        case (TEXICMD_UMLAUT):
1.46      kristaps 1124:                switch (BUF(p)[*pos]) {
1.16      kristaps 1125:                case ('a'): case ('A'):
                   1126:                case ('e'): case ('E'):
                   1127:                case ('i'): case ('I'):
                   1128:                case ('o'): case ('O'):
                   1129:                case ('u'): case ('U'):
                   1130:                case ('y'):
                   1131:                        texiputchars(p, "\\(:");
                   1132:                        break;
                   1133:                default:
1.42      kristaps 1134:                        texiwarn(p, "ignoring accent");
1.34      kristaps 1135:                        break;
1.16      kristaps 1136:                }
1.46      kristaps 1137:                texiputchar(p, BUF(p)[*pos]);
                   1138:                advance(p, pos);
1.16      kristaps 1139:                break;
                   1140:        default:
1.46      kristaps 1141:                texiputchar(p, BUF(p)[*pos]);
                   1142:                advance(p, pos);
1.42      kristaps 1143:                break;
                   1144:        }
                   1145:
                   1146:        if (brace) {
1.46      kristaps 1147:                while (*pos < BUFSZ(p) && '}' != BUF(p)[*pos]) {
                   1148:                        texiputchar(p, BUF(p)[*pos]);
                   1149:                        advance(p, pos);
1.42      kristaps 1150:                }
1.46      kristaps 1151:                if (*pos < BUFSZ(p))
                   1152:                        advance(p, pos);
1.42      kristaps 1153:        }
                   1154:
                   1155:        switch (cmd) {
                   1156:        case (TEXICMD_TIEACCENT):
                   1157:                texiputchar(p, ']');
                   1158:                break;
                   1159:        case (TEXICMD_DOTACCENT):
                   1160:                texiputchar(p, '*');
                   1161:                break;
                   1162:        default:
                   1163:                break;
1.16      kristaps 1164:        }
                   1165: }
                   1166:
                   1167: static void
1.46      kristaps 1168: dosymbol(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1169: {
                   1170:
1.42      kristaps 1171:        /* Remember to pad us. */
1.43      kristaps 1172:        if (p->seenws && p->outcol && 0 == p->literal)
1.3       kristaps 1173:                texiputchar(p, ' ');
1.43      kristaps 1174:
                   1175:        p->seenws = 0;
1.3       kristaps 1176:
1.1       kristaps 1177:        switch (cmd) {
1.42      kristaps 1178:        case (TEXICMD_AA):
                   1179:                texiputchars(p, "\\(oA");
                   1180:                break;
                   1181:        case (TEXICMD_AASMALL):
                   1182:                texiputchars(p, "\\(oa");
                   1183:                break;
                   1184:        case (TEXICMD_AE):
                   1185:                texiputchars(p, "\\(AE");
                   1186:                break;
                   1187:        case (TEXICMD_AESMALL):
                   1188:                texiputchars(p, "\\(ae");
                   1189:                break;
1.3       kristaps 1190:        case (TEXICMD_ASTERISK):
                   1191:        case (TEXICMD_NEWLINE):
                   1192:        case (TEXICMD_SPACE):
1.18      kristaps 1193:        case (TEXICMD_TABSYM):
1.3       kristaps 1194:                texiputchar(p, ' ');
                   1195:                break;
1.1       kristaps 1196:        case (TEXICMD_AT):
1.3       kristaps 1197:                texiputchar(p, '@');
                   1198:                break;
                   1199:        case (TEXICMD_BANG):
                   1200:                texiputchar(p, '!');
1.7       kristaps 1201:                break;
                   1202:        case (TEXICMD_BULLET):
                   1203:                texiputchars(p, "\\(bu");
1.1       kristaps 1204:                break;
1.35      kristaps 1205:        case (TEXICMD_COMMA):
                   1206:                texiputchar(p, ',');
                   1207:                break;
1.1       kristaps 1208:        case (TEXICMD_COPYRIGHT):
                   1209:                texiputchars(p, "\\(co");
                   1210:                break;
1.42      kristaps 1211:        case (TEXICMD_DH):
                   1212:                texiputchars(p, "\\(-D");
                   1213:                break;
                   1214:        case (TEXICMD_DHSMALL):
                   1215:                texiputchars(p, "\\(Sd");
                   1216:                break;
1.2       kristaps 1217:        case (TEXICMD_DOTS):
1.34      kristaps 1218:        case (TEXICMD_ENDDOTS):
1.2       kristaps 1219:                texiputchars(p, "...");
                   1220:                break;
1.28      kristaps 1221:        case (TEXICMD_EQUIV):
                   1222:                texiputchars(p, "\\(==");
                   1223:                break;
1.15      kristaps 1224:        case (TEXICMD_ERROR):
                   1225:                texiputchars(p, "error\\(->");
1.17      kristaps 1226:                break;
1.43      kristaps 1227:        case (TEXICMD_EURO):
                   1228:                texiputchars(p, "\\(Eu");
                   1229:                break;
1.42      kristaps 1230:        case (TEXICMD_EXCLAMDOWN):
                   1231:                texiputchars(p, "\\(r!");
                   1232:                break;
1.17      kristaps 1233:        case (TEXICMD_EXPANSION):
                   1234:                texiputchars(p, "\\(->");
1.15      kristaps 1235:                break;
1.43      kristaps 1236:        case (TEXICMD_GEQ):
                   1237:                texiputchars(p, "\\(>=");
                   1238:                break;
                   1239:        case (TEXICMD_GUILLEMETLEFT):
                   1240:        case (TEXICMD_GUILLEMOTLEFT):
                   1241:                texiputchars(p, "\\(Fo");
                   1242:                break;
                   1243:        case (TEXICMD_GUILLEMETRIGHT):
                   1244:        case (TEXICMD_GUILLEMOTRIGHT):
                   1245:                texiputchars(p, "\\(Fc");
                   1246:                break;
                   1247:        case (TEXICMD_GUILSINGLLEFT):
                   1248:                texiputchars(p, "\\(fo");
                   1249:                break;
                   1250:        case (TEXICMD_GUILSINGLRIGHT):
                   1251:                texiputchars(p, "\\(fc");
                   1252:                break;
1.42      kristaps 1253:        case (TEXICMD_L):
                   1254:                texiputchars(p, "\\(/L");
                   1255:                break;
1.1       kristaps 1256:        case (TEXICMD_LATEX):
                   1257:                texiputchars(p, "LaTeX");
                   1258:                break;
1.43      kristaps 1259:        case (TEXICMD_LEQ):
                   1260:                texiputchars(p, "\\(<=");
                   1261:                break;
1.42      kristaps 1262:        case (TEXICMD_LSMALL):
                   1263:                texiputchars(p, "\\(/l");
                   1264:                break;
1.25      kristaps 1265:        case (TEXICMD_MINUS):
                   1266:                texiputchars(p, "\\-");
                   1267:                break;
1.42      kristaps 1268:        case (TEXICMD_O):
                   1269:                texiputchars(p, "\\(/O");
                   1270:                break;
                   1271:        case (TEXICMD_OE):
                   1272:                texiputchars(p, "\\(OE");
                   1273:                break;
                   1274:        case (TEXICMD_OESMALL):
                   1275:                texiputchars(p, "\\(oe");
                   1276:                break;
                   1277:        case (TEXICMD_ORDF):
                   1278:                texiputchars(p, "a");
                   1279:                break;
                   1280:        case (TEXICMD_ORDM):
                   1281:                texiputchars(p, "o");
                   1282:                break;
                   1283:        case (TEXICMD_OSMALL):
                   1284:                texiputchars(p, "\\(/o");
                   1285:                break;
1.25      kristaps 1286:        case (TEXICMD_PERIOD):
                   1287:                texiputchar(p, '.');
                   1288:                break;
1.43      kristaps 1289:        case (TEXICMD_POUNDS):
                   1290:                texiputchars(p, "\\(Po");
                   1291:                break;
1.42      kristaps 1292:        case (TEXICMD_QUESTIONDOWN):
                   1293:                texiputchars(p, "\\(r?");
                   1294:                break;
1.3       kristaps 1295:        case (TEXICMD_QUESTIONMARK):
                   1296:                texiputchar(p, '?');
1.15      kristaps 1297:                break;
1.43      kristaps 1298:        case (TEXICMD_QUOTEDBLBASE):
                   1299:                texiputchars(p, "\\(Bq");
                   1300:                break;
                   1301:        case (TEXICMD_QUOTEDBLLEFT):
                   1302:                texiputchars(p, "\\(lq");
                   1303:                break;
                   1304:        case (TEXICMD_QUOTEDBLRIGHT):
                   1305:                texiputchars(p, "\\(rq");
                   1306:                break;
                   1307:        case (TEXICMD_QUOTESINGLBASE):
                   1308:                texiputchars(p, "\\(bq");
                   1309:                break;
                   1310:        case (TEXICMD_QUOTELEFT):
                   1311:                texiputchars(p, "\\(oq");
                   1312:                break;
                   1313:        case (TEXICMD_QUOTERIGHT):
                   1314:                texiputchars(p, "\\(cq");
                   1315:                break;
                   1316:        case (TEXICMD_REGISTEREDSYMBOL):
                   1317:                texiputchars(p, "\\(rg");
                   1318:                break;
1.15      kristaps 1319:        case (TEXICMD_RESULT):
                   1320:                texiputchars(p, "\\(rA");
1.3       kristaps 1321:                break;
1.34      kristaps 1322:        case (TEXICMD_SLASH):
                   1323:                texiputchar(p, '/');
                   1324:                break;
1.35      kristaps 1325:        case (TEXICMD_SS):
                   1326:                texiputchars(p, "\\(ss");
                   1327:                break;
1.3       kristaps 1328:        case (TEXICMD_SQUIGGLE_LEFT):
                   1329:                texiputchars(p, "{");
                   1330:                break;
                   1331:        case (TEXICMD_SQUIGGLE_RIGHT):
                   1332:                texiputchars(p, "}");
                   1333:                break;
1.38      kristaps 1334:        case (TEXICMD_TEXSYM):
1.35      kristaps 1335:                texiputchars(p, "TeX");
1.43      kristaps 1336:                break;
                   1337:        case (TEXICMD_TEXTDEGREE):
                   1338:                texiputchars(p, "\\(de");
1.35      kristaps 1339:                break;
1.42      kristaps 1340:        case (TEXICMD_TH):
                   1341:                texiputchars(p, "\\(TP");
                   1342:                break;
                   1343:        case (TEXICMD_THSMALL):
                   1344:                texiputchars(p, "\\(Tp");
                   1345:                break;
1.38      kristaps 1346:        case (TEXICMD_TIE):
1.35      kristaps 1347:                texiputchars(p, "\\ ");
1.1       kristaps 1348:                break;
1.3       kristaps 1349:        case (TEXICMD_COLON):
                   1350:        case (TEXICMD_HYPHEN):
                   1351:                break;
1.1       kristaps 1352:        default:
                   1353:                abort();
                   1354:        }
                   1355:
1.42      kristaps 1356:        /* Alphabetic commands have braces we ignore. */
1.49      kristaps 1357:        if (isalpha((unsigned char)texitoks[cmd].tok[0]))
1.46      kristaps 1358:                doignbracket(p, cmd, pos);
1.1       kristaps 1359: }
                   1360:
                   1361: static void
1.46      kristaps 1362: doquotation(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1363: {
                   1364:
1.5       kristaps 1365:        teximacro(p, "Qo");
1.46      kristaps 1366:        parseto(p, pos, "quotation");
1.5       kristaps 1367:        teximacro(p, "Qc");
1.1       kristaps 1368: }
                   1369:
1.3       kristaps 1370: static void
1.46      kristaps 1371: domath(struct texi *p, enum texicmd cmd, size_t *pos)
1.3       kristaps 1372: {
                   1373:
1.53      kristaps 1374:        parsebracket(p, pos, 1);
1.24      kristaps 1375: }
                   1376:
                   1377: static void
1.46      kristaps 1378: dovalue(struct texi *p, enum texicmd cmd, size_t *pos)
1.24      kristaps 1379: {
1.46      kristaps 1380:        size_t           start, end;
1.25      kristaps 1381:        char            *key, *val;
                   1382:        const char      *cp;
1.24      kristaps 1383:
                   1384:        if (TEXICMD_SET == cmd) {
1.46      kristaps 1385:                while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1386:                        advance(p, pos);
                   1387:                for (start = end = *pos; end < BUFSZ(p); end++)
                   1388:                        if (ismspace(BUF(p)[end]))
1.24      kristaps 1389:                                break;
1.25      kristaps 1390:                /* We don't allow empty keys. */
1.24      kristaps 1391:                if (start == end)
                   1392:                        return;
1.46      kristaps 1393:                advanceto(p, pos, end);
1.24      kristaps 1394:
                   1395:                key = malloc(end - start + 1);
1.27      kristaps 1396:                if (NULL == key)
                   1397:                        texiabort(p, NULL);
1.46      kristaps 1398:                memcpy(key, &BUF(p)[start], end - start);
1.24      kristaps 1399:                key[end - start] = '\0';
                   1400:
1.46      kristaps 1401:                while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1402:                        advance(p, pos);
                   1403:                for (start = end = *pos; end < BUFSZ(p); end++)
                   1404:                        if ('\n' == BUF(p)[end])
1.24      kristaps 1405:                                break;
1.25      kristaps 1406:                /* We do allow empty values. */
1.46      kristaps 1407:                advanceeoln(p, pos, 1);
1.24      kristaps 1408:
                   1409:                val = malloc(end - start + 1);
1.27      kristaps 1410:                if (NULL == val)
                   1411:                        texiabort(p, NULL);
1.46      kristaps 1412:                memcpy(val, &BUF(p)[start], end - start);
1.24      kristaps 1413:                val[end - start] = '\0';
1.25      kristaps 1414:                valueadd(p, key, val);
1.24      kristaps 1415:        } else if (TEXICMD_VALUE == cmd) {
                   1416:                if (p->seenws)
                   1417:                        texiputchar(p, ' ');
                   1418:                p->seenws = 0;
1.46      kristaps 1419:                if (NULL != (cp = valueblookup(p, pos)))
1.56      kristaps 1420:                        texisplice(p, cp, strlen(cp), *pos);
1.46      kristaps 1421:                else
1.25      kristaps 1422:                        texiputchars(p, "{No value}");
1.24      kristaps 1423:        } else if (TEXICMD_IFCLEAR == cmd) {
1.46      kristaps 1424:                if (NULL != valuellookup(p, pos))
                   1425:                        doignblock(p, cmd, pos);
1.26      kristaps 1426:                else
1.46      kristaps 1427:                        parseto(p, pos, texitoks[cmd].tok);
1.30      kristaps 1428:        } else if (TEXICMD_IFSET == cmd) {
1.46      kristaps 1429:                if (NULL == valuellookup(p, pos))
                   1430:                        doignblock(p, cmd,  pos);
1.30      kristaps 1431:                else
1.46      kristaps 1432:                        parseto(p, pos, texitoks[cmd].tok);
1.25      kristaps 1433:        } else if (TEXICMD_CLEAR == cmd)
1.46      kristaps 1434:                valuelclear(p, pos);
1.3       kristaps 1435: }
                   1436:
1.1       kristaps 1437: static void
1.46      kristaps 1438: dolink(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1439: {
1.8       kristaps 1440:        int      c;
1.1       kristaps 1441:
                   1442:        switch (cmd) {
                   1443:        case (TEXICMD_EMAIL):
1.5       kristaps 1444:                teximacroopen(p, "Mt");
1.1       kristaps 1445:                break;
1.3       kristaps 1446:        case (TEXICMD_UREF):
1.1       kristaps 1447:        case (TEXICMD_URL):
1.44      kristaps 1448:        case (TEXICMD_INDICATEURL):
1.5       kristaps 1449:                teximacroopen(p, "Lk");
1.1       kristaps 1450:                break;
1.8       kristaps 1451:        case (TEXICMD_XREF):
                   1452:                texiputchars(p, "See Section");
1.39      kristaps 1453:                teximacroopen(p, "Dq");
1.8       kristaps 1454:                break;
                   1455:        case (TEXICMD_PXREF):
                   1456:                texiputchars(p, "see Section");
1.39      kristaps 1457:                teximacroopen(p, "Dq");
1.8       kristaps 1458:                break;
1.34      kristaps 1459:        case (TEXICMD_INFOREF):
                   1460:                texiputchars(p, "See Info file node");
1.39      kristaps 1461:                teximacroopen(p, "Dq");
1.34      kristaps 1462:                break;
1.1       kristaps 1463:        default:
1.8       kristaps 1464:                abort();
1.1       kristaps 1465:        }
1.8       kristaps 1466:
1.46      kristaps 1467:        c = parsearg(p, pos, 0);
1.8       kristaps 1468:        p->ign++;
                   1469:        while (c > 0)
1.46      kristaps 1470:                c = parsearg(p, pos, 1);
1.8       kristaps 1471:        p->ign--;
                   1472:
1.46      kristaps 1473:        texipunctuate(p, pos);
1.8       kristaps 1474:        teximacroclose(p);
                   1475: }
                   1476:
                   1477: static void
1.46      kristaps 1478: doignargn(struct texi *p, enum texicmd cmd, size_t *pos)
1.8       kristaps 1479: {
                   1480:        int      c;
                   1481:
1.46      kristaps 1482:        c = parsearg(p, pos, 0);
1.8       kristaps 1483:        p->ign++;
                   1484:        while (c > 0)
1.46      kristaps 1485:                c = parsearg(p, pos, 1);
1.8       kristaps 1486:        p->ign--;
1.1       kristaps 1487: }
                   1488:
1.23      kristaps 1489: /*
                   1490:  * Sections can be made subsections and so on by way of the
                   1491:  * @raiseections and @lowersections commands.
                   1492:  * Perform this check here and return the actual section number adjusted
                   1493:  * to the raise level.
                   1494:  */
                   1495: static int
                   1496: sectioner(struct texi *p, int sec)
                   1497: {
                   1498:
                   1499:        if ((sec -= p->secoffs) < 0) {
                   1500:                texiwarn(p, "section below minimum, clamping");
                   1501:                return(0);
                   1502:        } else if (sec >= SECTSZ) {
                   1503:                texiwarn(p, "section above maximum, clamping");
                   1504:                return(SECTSZ - 1);
                   1505:        }
                   1506:        return(sec);
                   1507: }
                   1508:
                   1509: static void
1.46      kristaps 1510: dosubsubsection(struct texi *p, enum texicmd cmd, size_t *pos)
1.23      kristaps 1511: {
                   1512:        int      sec;
                   1513:
                   1514:        sec = sectioner(p, 3);
                   1515:
                   1516:        /* We don't have a subsubsubsection, so make one up. */
                   1517:        texivspace(p);
                   1518:        teximacroopen(p, sects[sec]);
1.46      kristaps 1519:        parseeoln(p, pos);
1.23      kristaps 1520:        teximacroclose(p);
                   1521:        texivspace(p);
                   1522: }
                   1523:
1.1       kristaps 1524: static void
1.46      kristaps 1525: dosubsection(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 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]);
1.46      kristaps 1540:        parseeoln(p, 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
1.46      kristaps 1547: dosecoffs(struct texi *p, enum texicmd cmd, size_t *pos)
1.23      kristaps 1548: {
                   1549:
                   1550:        if (TEXICMD_RAISESECTIONS == cmd)
                   1551:                p->secoffs++;
                   1552:        else
                   1553:                p->secoffs--;
                   1554: }
                   1555:
                   1556: static void
1.46      kristaps 1557: dosection(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1558: {
1.23      kristaps 1559:        int              sec;
1.12      kristaps 1560:
                   1561:        switch (cmd) {
1.55      kristaps 1562:        case (TEXICMD_TOP):
                   1563:                sec = 0;
                   1564:                break;
1.12      kristaps 1565:        case (TEXICMD_APPENDIX):
                   1566:        case (TEXICMD_CHAPTER):
                   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:
1.55      kristaps 1585:        if (0 == sec && NULL != p->chapters) {
                   1586:                teximdocclose(p, 0);
1.56      kristaps 1587:                teximdocopen(p, pos);
1.55      kristaps 1588:        }
                   1589:
1.23      kristaps 1590:        teximacroopen(p, sects[sec]);
1.46      kristaps 1591:        parseeoln(p, pos);
1.3       kristaps 1592:        teximacroclose(p);
1.11      kristaps 1593:        p->seenvs = 1;
1.3       kristaps 1594: }
                   1595:
                   1596: static void
1.55      kristaps 1597: dotop(struct texi *p, enum texicmd cmd, size_t *pos)
                   1598: {
                   1599:
                   1600:        if (--p->ign)
                   1601:                texierr(p, "@top command while ignoring");
                   1602:
                   1603:        if (NULL == p->chapters)
1.56      kristaps 1604:                teximdocopen(p, pos);
1.55      kristaps 1605:        dosection(p, cmd, pos);
                   1606: }
                   1607:
                   1608: static void
1.46      kristaps 1609: dosp(struct texi *p, enum texicmd cmd, size_t *pos)
1.3       kristaps 1610: {
                   1611:
1.57    ! kristaps 1612:        advanceeoln(p, pos, 1);
1.37      kristaps 1613:        if (p->literal)
                   1614:                texiputchar(p, '\n');
                   1615:        else
                   1616:                texivspace(p);
1.1       kristaps 1617: }
                   1618:
                   1619: static void
1.46      kristaps 1620: doitem(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1621: {
                   1622:
1.18      kristaps 1623:        /* Multitable is using raw tbl(7). */
                   1624:        if (TEXILIST_TABLE == p->list) {
                   1625:                texiputchar(p, '\n');
                   1626:                return;
                   1627:        }
                   1628:
1.3       kristaps 1629:        if (p->outmacro)
                   1630:                texierr(p, "item in open line scope!?");
                   1631:        else if (p->literal)
                   1632:                texierr(p, "item in a literal scope!?");
                   1633:
                   1634:        switch (p->list) {
                   1635:        case (TEXILIST_ITEM):
1.5       kristaps 1636:                teximacroopen(p, "It");
1.3       kristaps 1637:                break;
                   1638:        case (TEXILIST_NOITEM):
1.5       kristaps 1639:                teximacro(p, "It");
1.3       kristaps 1640:                break;
                   1641:        default:
1.11      kristaps 1642:                texivspace(p);
1.3       kristaps 1643:                break;
                   1644:        }
1.18      kristaps 1645:
                   1646:        /* Trick so we don't start with Pp. */
1.11      kristaps 1647:        p->seenvs = 1;
1.46      kristaps 1648:        parseeoln(p, pos);
1.1       kristaps 1649:
1.3       kristaps 1650:        if (TEXILIST_ITEM == p->list)
                   1651:                teximacroclose(p);
1.9       kristaps 1652:        else if (p->outcol > 0)
1.1       kristaps 1653:                texiputchar(p, '\n');
1.18      kristaps 1654: }
                   1655:
                   1656: static void
1.46      kristaps 1657: dotab(struct texi *p, enum texicmd cmd, size_t *pos)
1.18      kristaps 1658: {
                   1659:
                   1660:        /* This command is only useful in @multitable. */
                   1661:        if (TEXILIST_TABLE == p->list)
                   1662:                texiputchar(p, '\t');
                   1663: }
                   1664:
                   1665: static void
1.46      kristaps 1666: domultitable(struct texi *p, enum texicmd cmd, size_t *pos)
1.18      kristaps 1667: {
                   1668:        enum texilist   sv = p->list;
1.32      kristaps 1669:        int             svliteral = p->literal;
1.18      kristaps 1670:        enum texicmd    type;
                   1671:        size_t          i, end, columns;
                   1672:
                   1673:        p->list = TEXILIST_TABLE;
1.32      kristaps 1674:        /*
                   1675:         * TS/TE blocks aren't "in mdoc(7)", so we can disregard the
                   1676:         * fact that we're in literal mode right now.
                   1677:         */
                   1678:        p->literal = 0;
1.18      kristaps 1679:        teximacro(p, "TS");
                   1680:        columns = 0;
                   1681:
                   1682:        /* Advance to the first argument... */
1.46      kristaps 1683:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1684:                advance(p, pos);
1.18      kristaps 1685:
                   1686:        /* Make sure we don't print anything when scanning. */
                   1687:        p->ign++;
1.57    ! kristaps 1688:        if (*pos < BUFSZ(p) && '@' == BUF(p)[*pos]) {
1.18      kristaps 1689:                /*
                   1690:                 * Look for @columnfractions.
                   1691:                 * We ignore these, but we do use the number of
                   1692:                 * arguments to set the number of columns that we'll
                   1693:                 * have.
                   1694:                 */
1.46      kristaps 1695:                type = texicmd(p, *pos, &end, NULL);
                   1696:                advanceto(p, pos, end);
1.18      kristaps 1697:                if (TEXICMD_COLUMNFRACTIONS != type)
1.25      kristaps 1698:                        texierr(p, "unknown multitable command");
1.46      kristaps 1699:                while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) {
                   1700:                        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1701:                                advance(p, pos);
                   1702:                        while (*pos < BUFSZ(p) && ! isws(BUF(p)[*pos])) {
                   1703:                                if ('\n' == BUF(p)[*pos])
1.18      kristaps 1704:                                        break;
1.46      kristaps 1705:                                advance(p, pos);
1.18      kristaps 1706:                        }
                   1707:                        columns++;
                   1708:                }
                   1709:        } else
                   1710:                /*
                   1711:                 * We have arguments.
                   1712:                 * We could parse these, but it's easier to just let
                   1713:                 * tbl(7) figure it out.
                   1714:                 * So use this only to count arguments.
                   1715:                 */
1.46      kristaps 1716:                while (parselinearg(p, pos) > 0)
1.18      kristaps 1717:                        columns++;
                   1718:        p->ign--;
                   1719:
                   1720:        /* Left-justify each table entry. */
                   1721:        for (i = 0; i < columns; i++) {
                   1722:                if (i > 0)
                   1723:                        texiputchar(p, ' ');
                   1724:                texiputchar(p, 'l');
                   1725:        }
                   1726:        texiputchars(p, ".\n");
                   1727:        p->outmacro++;
1.46      kristaps 1728:        parseto(p, pos, texitoks[cmd].tok);
1.18      kristaps 1729:        p->outmacro--;
                   1730:        teximacro(p, "TE");
1.32      kristaps 1731:        p->literal = svliteral;
1.18      kristaps 1732:        p->list = sv;
1.1       kristaps 1733: }
                   1734:
                   1735: static void
1.46      kristaps 1736: dotable(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1737: {
1.3       kristaps 1738:        enum texilist   sv = p->list;
                   1739:
1.57    ! kristaps 1740:        advanceeoln(p, pos, 1);
        !          1741:
1.3       kristaps 1742:        p->list = TEXILIST_ITEM;
1.5       kristaps 1743:        teximacro(p, "Bl -tag -width Ds");
1.11      kristaps 1744:        p->seenvs = 1;
1.46      kristaps 1745:        parseto(p, pos, texitoks[cmd].tok);
1.5       kristaps 1746:        teximacro(p, "El");
1.3       kristaps 1747:        p->list = sv;
1.44      kristaps 1748: }
                   1749:
                   1750: static void
1.46      kristaps 1751: doend(struct texi *p, enum texicmd cmd, size_t *pos)
1.44      kristaps 1752: {
                   1753:        size_t   start;
                   1754:
1.46      kristaps 1755:        while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
                   1756:                advance(p, pos);
1.44      kristaps 1757:        start = *pos;
1.46      kristaps 1758:        while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos])
                   1759:                advance(p, pos);
1.44      kristaps 1760:
1.56      kristaps 1761:        texiwarn(p, "unexpected \"end\": %.*s",
                   1762:                (int)(*pos - start), &BUF(p)[start]);
1.46      kristaps 1763:        advanceeoln(p, pos, 1);
1.1       kristaps 1764: }
                   1765:
                   1766: static void
1.46      kristaps 1767: doenumerate(struct texi *p, enum texicmd cmd, size_t *pos)
1.2       kristaps 1768: {
1.3       kristaps 1769:        enum texilist    sv = p->list;
1.2       kristaps 1770:
1.57    ! kristaps 1771:        advanceeoln(p, pos, 1);
        !          1772:
1.3       kristaps 1773:        p->list = TEXILIST_NOITEM;
1.5       kristaps 1774:        teximacro(p, "Bl -enum");
1.11      kristaps 1775:        p->seenvs = 1;
1.57    ! kristaps 1776:        parseto(p, pos, texitoks[cmd].tok);
1.5       kristaps 1777:        teximacro(p, "El");
1.3       kristaps 1778:        p->list = sv;
1.2       kristaps 1779: }
                   1780:
                   1781: static void
1.46      kristaps 1782: doitemize(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1783: {
1.3       kristaps 1784:        enum texilist   sv = p->list;
1.1       kristaps 1785:
1.57    ! kristaps 1786:        advanceeoln(p, pos, 1);
        !          1787:
1.21      kristaps 1788:        p->list = TEXILIST_NOITEM;
1.5       kristaps 1789:        teximacro(p, "Bl -bullet");
1.11      kristaps 1790:        p->seenvs = 1;
1.57    ! kristaps 1791:        parseto(p, pos, texitoks[cmd].tok);
1.5       kristaps 1792:        teximacro(p, "El");
1.3       kristaps 1793:        p->list = sv;
1.1       kristaps 1794: }
                   1795:
                   1796: static void
1.46      kristaps 1797: doignbracket(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1798: {
                   1799:
1.3       kristaps 1800:        p->ign++;
1.53      kristaps 1801:        parsebracket(p, pos, 0);
1.3       kristaps 1802:        p->ign--;
1.1       kristaps 1803: }
                   1804:
                   1805: static void
1.46      kristaps 1806: doignline(struct texi *p, enum texicmd cmd, size_t *pos)
1.1       kristaps 1807: {
                   1808:
1.57    ! kristaps 1809:        advanceeoln(p, pos, 1);
1.1       kristaps 1810: }
                   1811:
1.8       kristaps 1812: /*
                   1813:  * Parse colon-separated directories from "cp" (if not NULL) and returns
                   1814:  * the array of pointers.
1.40      kristaps 1815:  * Prepends "base" to the array, if found.
1.8       kristaps 1816:  * This does NOT sanitise the directories!
                   1817:  */
1.5       kristaps 1818: static char **
1.27      kristaps 1819: parsedirs(struct texi *p, const char *base, const char *cp, size_t *sz)
1.5       kristaps 1820: {
                   1821:        char             *tok, *str, *tofree;
                   1822:        const char       *cpp;
1.40      kristaps 1823:        size_t            i = 0;
1.5       kristaps 1824:        char            **dirs;
                   1825:
1.40      kristaps 1826:        /* Count up our expected arguments. */
                   1827:        *sz = NULL != base;
                   1828:        if (NULL != (cpp = cp))
                   1829:                for ((*sz)++; NULL != (cpp = strchr(cpp, ':')); (*sz)++)
1.5       kristaps 1830:                        cpp++;
                   1831:
1.40      kristaps 1832:        if (0 == *sz)
                   1833:                return(NULL);
1.27      kristaps 1834:        if (NULL == (dirs = calloc(*sz, sizeof(char *))))
                   1835:                texiabort(p, NULL);
1.40      kristaps 1836:        if (NULL != base && NULL == (dirs[i++] = strdup(base)))
1.27      kristaps 1837:                texiabort(p, NULL);
1.5       kristaps 1838:        if (NULL == cp)
                   1839:                return(dirs);
1.27      kristaps 1840:        if (NULL == (tofree = tok = str = strdup(cp)))
                   1841:                texiabort(p, NULL);
1.5       kristaps 1842:
1.40      kristaps 1843:        for ( ; NULL != (tok = strsep(&str, ":")); i++)
1.27      kristaps 1844:                if (NULL == (dirs[i] = strdup(tok)))
                   1845:                        texiabort(p, NULL);
1.5       kristaps 1846:
                   1847:        free(tofree);
                   1848:        return(dirs);
                   1849: }
                   1850:
1.1       kristaps 1851: int
                   1852: main(int argc, char *argv[])
                   1853: {
                   1854:        struct texi      texi;
1.2       kristaps 1855:        int              c;
1.37      kristaps 1856:        char            *dirpath, *dir, *ccp;
1.10      kristaps 1857:        const char      *progname, *Idir, *cp;
1.1       kristaps 1858:
                   1859:        progname = strrchr(argv[0], '/');
                   1860:        if (progname == NULL)
                   1861:                progname = argv[0];
                   1862:        else
                   1863:                ++progname;
                   1864:
1.10      kristaps 1865:        memset(&texi, 0, sizeof(struct texi));
1.40      kristaps 1866:        texi.ign = 1;
1.55      kristaps 1867:        texi.outfile = stdout;
1.5       kristaps 1868:        Idir = NULL;
1.10      kristaps 1869:
1.55      kristaps 1870:        while (-1 != (c = getopt(argc, argv, "C:I:")))
1.1       kristaps 1871:                switch (c) {
1.55      kristaps 1872:                case ('C'):
                   1873:                        texi.chapters = optarg;
                   1874:                        break;
1.5       kristaps 1875:                case ('I'):
                   1876:                        Idir = optarg;
                   1877:                        break;
1.1       kristaps 1878:                default:
                   1879:                        goto usage;
                   1880:                }
                   1881:
                   1882:        argv += optind;
1.40      kristaps 1883:        argc -= optind;
1.1       kristaps 1884:
1.40      kristaps 1885:        if (argc > 0) {
                   1886:                if (NULL == (dirpath = strdup(argv[0])))
                   1887:                        texiabort(&texi, NULL);
                   1888:                if (NULL == (dir = dirname(dirpath)))
                   1889:                        texiabort(&texi, NULL);
                   1890:                if (NULL != (cp = strrchr(argv[0], '/')))
                   1891:                        texi.title = strdup(cp + 1);
                   1892:                else
                   1893:                        texi.title = strdup(argv[0]);
                   1894:                if (NULL == texi.title)
                   1895:                        texiabort(&texi, NULL);
                   1896:                else if (NULL != (ccp = strchr(texi.title, '.')))
                   1897:                        *ccp = '\0';
                   1898:                texi.dirs = parsedirs(&texi, dir, Idir, &texi.dirsz);
                   1899:                free(dirpath);
                   1900:                parsefile(&texi, argv[0], 1);
                   1901:        } else {
                   1902:                texi.title = strdup("Unknown Manual");
                   1903:                texi.dirs = parsedirs(&texi, NULL, Idir, &texi.dirsz);
                   1904:                parsestdin(&texi);
                   1905:        }
1.27      kristaps 1906:
1.2       kristaps 1907:        texiexit(&texi);
1.56      kristaps 1908:        exit(EXIT_SUCCESS);
1.1       kristaps 1909: usage:
1.55      kristaps 1910:        fprintf(stderr, "usage: %s [-Cdir] [-Idirs] [file]\n", progname);
1.1       kristaps 1911:        return(EXIT_FAILURE);
                   1912: }

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