/* $Id: main.c,v 1.66 2015/03/11 12:51:41 kristaps Exp $ */ /* * Copyright (c) 2015 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if defined(__linux__) || defined(__MINT__) # define _GNU_SOURCE /* memmem */ #endif #include #include #include #include #include #include #include #include #include #include #include "extern.h" #define HAVE_INDEX 1 /* * Texinfo can change the "meaning" of its section headings: chapter, * section, subsection, etc., can be promoted and/or demoted to other * levels of heading. * Thus, we use an offset and just jump into this array. */ #define SECTSZ 4 static const char *const sects[SECTSZ] = { "Sh", /* Chapters (sections) */ "Ss", /* Sections (subsections) */ "Em", /* Subsections (subsubsection) */ "Sy", /* Subsubsections (...). */ }; static void doaccent(struct texi *, enum texicmd, size_t *); static void doblock(struct texi *, enum texicmd, size_t *); static void dobracket(struct texi *, enum texicmd, size_t *); static void dobye(struct texi *, enum texicmd, size_t *); static void docopying(struct texi *, enum texicmd, size_t *); static void dodefindex(struct texi *, enum texicmd, size_t *); static void dodefn(struct texi *, enum texicmd, size_t *); static void dodisplay(struct texi *, enum texicmd, size_t *); static void doend(struct texi *, enum texicmd, size_t *); static void doenumerate(struct texi *, enum texicmd, size_t *); static void doexample(struct texi *, enum texicmd, size_t *); static void doignargn(struct texi *, enum texicmd, size_t *); static void doignblock(struct texi *, enum texicmd, size_t *); static void doignbracket(struct texi *, enum texicmd, size_t *); static void doignline(struct texi *, enum texicmd, size_t *); static void doindex(struct texi *, enum texicmd, size_t *); static void doinline(struct texi *, enum texicmd, size_t *); static void doinclude(struct texi *, enum texicmd, size_t *); static void doinsertcopying(struct texi *, enum texicmd, size_t *); static void doitem(struct texi *, enum texicmd, size_t *); static void doitemize(struct texi *, enum texicmd, size_t *); static void dolink(struct texi *, enum texicmd, size_t *); static void domacro(struct texi *, enum texicmd, size_t *); static void domath(struct texi *, enum texicmd, size_t *); static void domenu(struct texi *, enum texicmd, size_t *); static void domultitable(struct texi *, enum texicmd, size_t *); static void donode(struct texi *, enum texicmd, size_t *); static void doprintindex(struct texi *, enum texicmd, size_t *); static void doquotation(struct texi *, enum texicmd, size_t *); static void dotable(struct texi *, enum texicmd, size_t *); static void dotop(struct texi *, enum texicmd, size_t *); static void dosecoffs(struct texi *, enum texicmd, size_t *); static void dosection(struct texi *, enum texicmd, size_t *); static void dosp(struct texi *, enum texicmd, size_t *); static void dosymbol(struct texi *, enum texicmd, size_t *); static void dotab(struct texi *, enum texicmd, size_t *); static void dotitle(struct texi *, enum texicmd, size_t *); static void dovalue(struct texi *, enum texicmd, size_t *); static void doverb(struct texi *, enum texicmd, size_t *); static void doverbatim(struct texi *, enum texicmd, size_t *); static void doverbinclude(struct texi *, enum texicmd, size_t *); static const struct texitok __texitoks[TEXICMD__MAX] = { /* TEXICMD__BEGIN */ { doignline, "afourpaper", 10 }, /* TEXICMD_A4PAPER */ { dosymbol, "AA", 2 }, /* TEXICMD_AA */ { dosymbol, "aa", 2 }, /* TEXICMD_AASMALL */ { doignargn, "acronym", 7 }, /* TEXICMD_ACRONYM */ { doaccent, "'", 1 }, /* TEXICMD_ACUTE */ { dosymbol, "AE", 2 }, /* TEXICMD_AE */ { dosymbol, "ae", 2 }, /* TEXICMD_AESMALL */ { doignbracket, "anchor", 6 }, /* TEXICMD_ANCHOR */ { dosection, "appendix", 8 }, /* TEXICMD_APPENDIX */ { dosection, "appendixsec", 11 }, /* TEXICMD_APPENDIXSEC */ { dosection, "appendixsubsec", 14 }, /* TEXICMD_APPENDIXSUBSEC */ { dosection, "appendixsubsubsec", 17 }, /* TEXICMD_APPENDIXSUBSUBSEC */ { doinline, "asis", 4 }, /* TEXICMD_ASIS */ { dosymbol, "*", 1 }, /* TEXICMD_ASTERISK */ { dosymbol, "@", 1 }, /* TEXICMD_AT */ { doignline, "author", 6 }, /* TEXICMD_AUTHOR */ { doinline, "b", 1 }, /* TEXICMD_B */ { dosymbol, "\\", 1 }, /* TEXICMD_BACKSLASH */ { dosymbol, "!", 1 }, /* TEXICMD_BANG */ { dosymbol, "bullet", 6 }, /* TEXICMD_BULLET */ { dobye, "bye", 3 }, /* TEXICMD_BYE */ { doblock, "cartouche", 9 }, /* TEXICMD_CARTOUCHE */ { doaccent, ",", 1 }, /* TEXICMD_CEDILLA */ { doignline, "center", 6 }, /* TEXICMD_CENTER */ { dosection, "chapter", 7 }, /* TEXICMD_CHAPTER */ { doindex, "cindex", 6 }, /* TEXICMD_CINDEX */ { doaccent, "^", 1 }, /* TEXICMD_CIRCUMFLEX */ { doinline, "cite", 4 }, /* TEXICMD_CITE */ { dovalue, "clear", 5 }, /* TEXICMD_CLEAR */ { doinline, "code", 4 }, /* TEXICMD_CODE */ { dosymbol, ":", 1 }, /* TEXICMD_COLON */ { NULL, "columnfractions", 15 }, /* TEXICMD_COLUMNFRACTIONS */ { dosymbol, "comma", 5 }, /* TEXICMD_COMMA */ { doinline, "command", 7 }, /* TEXICMD_COMMAND */ { doignline, "c", 1 }, /* TEXICMD_COMMENT */ { doignline, "comment", 7 }, /* TEXICMD_COMMENT_LONG */ { doignline, "contents", 8 }, /* TEXICMD_CONTENTS */ { docopying, "copying", 7 }, /* TEXICMD_COPYING */ { dosymbol, "copyright", 9 }, /* TEXICMD_COPYRIGHT */ { dodefindex, "defcodeindex", 12 }, /* TEXICMD_DEFCODEINDEX */ { dodefn, "deffn", 5 }, /* TEXICMD_DEFFN */ { dodefn, "deffnx", 6 }, /* TEXICMD_DEFFNX */ { dodefindex, "defindex", 8 }, /* TEXICMD_DEFINDEX */ { dodefn, "defmac", 6 }, /* TEXICMD_DEFMAC */ { dodefn, "defmacx", 7 }, /* TEXICMD_DEFMACX */ { dodefn, "deftp", 5 }, /* TEXICMD_DEFTP */ { dodefn, "deftpx", 6 }, /* TEXICMD_DEFTPX */ { dodefn, "deftypefn", 9 }, /* TEXICMD_DEFTYPEFN */ { dodefn, "deftypefnx", 10 }, /* TEXICMD_DEFTYPEFNX */ { dodefn, "deftypefun", 10 }, /* TEXICMD_DEFTYPEFUN */ { dodefn, "deftypefunx", 11 }, /* TEXICMD_DEFTYPEFUNX */ { dodefn, "deftypemethod", 13 }, /* TEXICMD_DEFTYPEMETHOD */ { dodefn, "deftypemethodx", 14 }, /* TEXICMD_DEFTYPEMETHODX */ { dodefn, "deftypevar", 10 }, /* TEXICMD_DEFTYPEVAR */ { dodefn, "deftypevarx", 11 }, /* TEXICMD_DEFTYPEVARX */ { dodefn, "deftypevr", 9 }, /* TEXICMD_DEFTYPEVR */ { dodefn, "deftypevrx", 10 }, /* TEXICMD_DEFTYPEVRX */ { dodefn, "defun", 5 }, /* TEXICMD_DEFUN */ { dodefn, "defunx", 6 }, /* TEXICMD_DEFUNX */ { dodefn, "defvar", 6 }, /* TEXICMD_DEFVAR */ { dodefn, "defvarx", 7 }, /* TEXICMD_DEFVARX */ { dodefn, "defvr", 5 }, /* TEXICMD_DEFVR */ { dodefn, "defvrx", 6 }, /* TEXICMD_DEFVRX */ { domenu, "detailmenu", 10 }, /* TEXICMD_DETAILMENU */ { doinline, "dfn", 3 }, /* TEXICMD_DFN */ { dosymbol, "DH", 2 }, /* TEXICMD_DH */ { dosymbol, "dh", 2 }, /* TEXICMD_DHSMALL */ { doignline, "dircategory", 11 }, /* TEXICMD_DIRCATEGORY */ { doignblock, "direntry", 8 }, /* TEXICMD_DIRENTRY */ { dodisplay, "display", 7 }, /* TEXICMD_DISPLAY */ { doignbracket, "dmn", 3 }, /* TEXICMD_DMN */ { doignblock, "documentdescription", 19 }, /* TEXICMD_DOCUMENTDESCRIPTION */ { doignline, "documentencoding", 16 }, /* TEXICMD_DOCUMENTENCODING */ { doignline, "documentlanguage", 16 }, /* TEXICMD_DOCUMENTLANGUAGE */ { doaccent, "dotaccent", 9 }, /* TEXICMD_DOTACCENT */ { doaccent, "dotless", 7 }, /* TEXICMD_DOTLESS */ { dosymbol, "dots", 4 }, /* TEXICMD_DOTS */ { dolink, "email", 5 }, /* TEXICMD_EMAIL */ { doinline, "emph", 4 }, /* TEXICMD_EMPH */ { doend, "end", 3 }, /* TEXICMD_END */ { dosymbol, "enddots", 7 }, /* TEXICMD_ENDDOTS */ { doenumerate, "enumerate", 9 }, /* TEXICMD_ENUMERATE */ { doinline, "env", 3 }, /* TEXICMD_ENV */ { dosymbol, "equiv", 5 }, /* TEXICMD_EQUIV */ { dosymbol, "error", 5 }, /* TEXICMD_ERROR */ { dosymbol, "euro", 4 }, /* TEXICMD_EURO */ { doexample, "example", 7 }, /* TEXICMD_EXAMPLE */ { dosymbol, "exclamdown", 10 }, /* TEXICMD_EXCLAMDOWN */ { doignline, "exdent", 6 }, /* TEXICMD_EXDENT */ { dosymbol, "expansion", 9 }, /* TEXICMD_EXPANSION */ { doinline, "file", 4 }, /* TEXICMD_FILE */ { doignline, "finalout", 8 }, /* TEXICMD_FINALOUT */ { doindex, "findex", 6 }, /* TEXICMD_FINDEX */ { doblock, "flushleft", 9 }, /* TEXICMD_FLUSHLEFT */ { doblock, "flushright", 10 }, /* TEXICMD_FLUSHRIGHT */ { doignline, "firstparagraphindent", 20 }, /* TEXICMD_FIRSTPARAGRAPHINDENT */ { doignbracket, "footnote", 8 }, /* TEXICMD_FOOTNOTE */ { doignline, "footnotestyle", 13 }, /* TEXICMD_FOOTNOTESTYLE */ { dotable, "ftable", 6 }, /* TEXICMD_FTABLE */ { dodisplay, "format", 6 }, /* TEXICMD_FORMAT */ { dosymbol, "geq", 3 }, /* TEXICMD_GEQ */ { doaccent, "`", 1 }, /* TEXICMD_GRAVE */ { doblock, "group", 5 }, /* TEXICMD_GROUP */ { dosymbol, "guillemetleft", 13 }, /* TEXICMD_GUILLEMETLEFT */ { dosymbol, "guillemetright", 14 }, /* TEXICMD_GUILLEMETRIGHT */ { dosymbol, "guillemotleft", 13 }, /* TEXICMD_GUILLEMOTLEFT */ { dosymbol, "guillemotright", 14 }, /* TEXICMD_GUILLEMOTRIGHT */ { dosymbol, "guilsinglleft", 13 }, /* TEXICMD_GUILSINGLLEFT */ { dosymbol, "guilsinglright", 14 }, /* TEXICMD_GUILSINGLRIGHT */ { doaccent, "H", 1 }, /* TEXICMD_H */ { dosection, "heading", 7 }, /* TEXICMD_HEADING */ { doignline, "headings", 8 }, /* TEXICMD_HEADINGS */ { doitem, "headitem", 8 }, /* TEXICMD_HEADITEM */ { doignblock, "html", 4 }, /* TEXICMD_HTML */ { dosymbol, "-", 1 }, /* TEXICMD_HYPHEN */ { doinline, "i", 1 }, /* TEXICMD_I */ { dovalue, "ifclear", 7 }, /* TEXICMD_IFCLEAR */ { doignblock, "ifdocbook", 9 }, /* TEXICMD_IFDOCBOOK */ { doignblock, "ifhtml", 6 }, /* TEXICMD_IFHTML */ { doblock, "ifinfo", 6 }, /* TEXICMD_IFINFO */ { doblock, "ifnotdocbook", 12 }, /* TEXICMD_IFNOTDOCBOOK */ { doblock, "ifnothtml", 9 }, /* TEXICMD_IFNOTHTML */ { doblock, "ifnotinfo", 9 }, /* TEXICMD_IFNOTINFO */ { doignblock, "ifnotplaintext", 14 }, /* TEXICMD_IFNOTPLAINTEXT */ { doblock, "ifnottex", 8 }, /* TEXICMD_IFNOTTEX */ { doblock, "ifnotxml", 8 }, /* TEXICMD_IFNOTXML */ { doblock, "ifplaintext", 11 }, /* TEXICMD_IFPLAINTEXT */ { doignblock, "iftex", 5 }, /* TEXICMD_IFTEX */ { dovalue, "ifset", 5 }, /* TEXICMD_IFSET */ { doignblock, "ifxml", 5 }, /* TEXICMD_IFXML */ { doignblock, "ignore", 6 }, /* TEXICMD_IGNORE */ { doignbracket, "image", 5 }, /* TEXICMD_IMAGE */ { doinclude, "include", 7 }, /* TEXICMD_INCLUDE */ { dodisplay, "indentblock", 11 }, /* TEXICMD_INDENTBLOCK */ { dolink, "indicateurl", 11 }, /* TEXICMD_INDICATEURL */ { dolink, "inforef", 7 }, /* TEXICMD_INFOREF */ { doinsertcopying, "insertcopying", 13 }, /* TEXICMD_INSERTCOPYING */ { doitem, "item", 4 }, /* TEXICMD_ITEM */ { doitemize, "itemize", 7 }, /* TEXICMD_ITEMIZE */ { doitem, "itemx", 5 }, /* TEXICMD_ITEMX */ { doinline, "kbd", 3 }, /* TEXICMD_KBD */ { dobracket, "key", 3 }, /* TEXICMD_KEY */ { doignline, "kindex", 6 }, /* TEXICMD_KINDEX */ { dosymbol, "L", 1 }, /* TEXICMD_L */ { dosymbol, "LaTeX", 5 }, /* TEXICMD_LATEX */ { dosymbol, "leq", 3 }, /* TEXICMD_LEQ */ { dosecoffs, "lowersections", 13 }, /* TEXICMD_LOWERSECTIONS */ { dosymbol, "l", 1 }, /* TEXICMD_LSMALL */ { domacro, "macro", 5 }, /* TEXICMD_MACRO */ { doaccent, "=", 1 }, /* TEXICMD_MACRON */ { domath, "math", 4 }, /* TEXICMD_MATH */ { domenu, "menu", 4 }, /* TEXICMD_MENU */ { dosymbol, "minus", 5 }, /* TEXICMD_MINUS */ { domultitable, "multitable", 10 }, /* TEXICMD_MULTITABLE */ { doignline, "need", 4 }, /* TEXICMD_NEED */ { dosymbol, "\n", 1 }, /* TEXICMD_NEWLINE */ { donode, "node", 4 }, /* TEXICMD_NODE */ { doignline, "noindent", 8 }, /* TEXICMD_NOINDENT */ { dosymbol, "O", 1 }, /* TEXICMD_O */ { dosymbol, "OE", 2 }, /* TEXICMD_OE */ { dosymbol, "oe", 2 }, /* TEXICMD_OESMALL */ { doaccent, "ogonek", 6 }, /* TEXICMD_OGONEK */ { doinline, "option", 6 }, /* TEXICMD_OPTION */ { dosymbol, "ordf", 4 }, /* TEXICMD_ORDF */ { dosymbol, "ordm", 4 }, /* TEXICMD_ORDM */ { dosymbol, "o", 1 }, /* TEXICMD_OSMALL */ { doignline, "page", 4 }, /* TEXICMD_PAGE */ { doignline, "paragraphindent", 15 }, /* TEXICMD_PARINDENT */ { dosymbol, ".", 1 }, /* TEXICMD_PERIOD */ { doignline, "pindex", 6 }, /* TEXICMD_PINDEX */ { dosymbol, "pounds", 6 }, /* TEXICMD_POUNDS */ { doprintindex, "printindex", 10 }, /* TEXICMD_PRINTINDEX */ { dolink, "pxref", 5 }, /* TEXICMD_PXREF */ { dosymbol, "questiondown", 12 }, /* TEXICMD_QUESTIONDOWN */ { dosymbol, "?", 1 }, /* TEXICMD_QUESTIONMARK */ { doquotation, "quotation", 9 }, /* TEXICMD_QUOTATION */ { dosymbol, "quotedblbase", 12 }, /* TEXICMD_QUOTEDBLBASE */ { dosymbol, "quotedblleft", 12 }, /* TEXICMD_QUOTEDBLLEFT */ { dosymbol, "quotedblright", 13 }, /* TEXICMD_QUOTEDBLRIGHT */ { dosymbol, "quotesinglbase", 14 }, /* TEXICMD_QUOTESINGLBASE */ { dosymbol, "quoteleft", 9 }, /* TEXICMD_QUOTELEFT */ { dosymbol, "quoteright", 10 }, /* TEXICMD_QUOTERIGHT */ { doinline, "r", 1 }, /* TEXICMD_R */ { dosecoffs, "raisesections", 13 }, /* TEXICMD_RAISESECTIONS */ { dobracket, "ref", 3 }, /* TEXICMD_REF */ { doignline, "refill", 6 }, /* TEXICMD_REFILL */ { dosymbol, "registeredsymbol", 16 }, /* TEXICMD_REGISTEREDSYMBOL */ { dosymbol, "result", 6 }, /* TEXICMD_RESULT */ { doaccent, "ringaccent", 10 }, /* TEXICMD_RINGACCENT */ { doinline, "samp", 4 }, /* TEXICMD_SAMP */ { doinline, "sansserif", 9 }, /* TEXICMD_SANSSERIF */ { doinline, "sc", 2 }, /* TEXICMD_SC */ { dosection, "section", 7 }, /* TEXICMD_SECTION */ { dovalue, "set", 3 }, /* TEXICMD_SET */ { doignline, "setchapternewpage", 17 }, /* TEXICMD_SETCHAPNEWPAGE */ { doignline, "setcontentsaftertitlepage", 25 }, /* TEXICMD_SETCONTENTSAFTER */ { doignline, "setfilename", 11 }, /* TEXICMD_SETFILENAME */ { dotitle, "settitle", 8 }, /* TEXICMD_SETTITLE */ { doignline, "shortcontents", 13 }, /* TEXICMD_SHORTCONTENTS */ { doinline, "slanted", 7 }, /* TEXICMD_SLANTED */ { dosymbol, "/", 1 }, /* TEXICMD_SLASH */ { dosp, "sp", 2 }, /* TEXICMD_SP */ { dosymbol, " ", 1 }, /* TEXICMD_SPACE */ { doignline, "smallbook", 9 }, /* TEXICMD_SMALLBOOK */ { dodisplay, "smalldisplay", 12 }, /* TEXICMD_SMALLDISPLAY */ { doexample, "smallexample", 12 }, /* TEXICMD_SMALLEXAMPLE */ { dodisplay, "smallformat", 11 }, /* TEXICMD_SMALLFORMAT */ { dodisplay, "smallindentblock", 16 }, /* TEXICMD_SMALLINDENTBLOCK */ { dosymbol, "{", 1 }, /* TEXICMD_SQUIGGLE_LEFT */ { dosymbol, "}", 1 }, /* TEXICMD_SQUIGGLE_RIGHT */ { dosymbol, "ss", 2 }, /* TEXICMD_SS */ { doinline, "strong", 6 }, /* TEXICMD_STRONG */ { dosection, "subheading", 10 }, /* TEXICMD_SUBHEADING */ { dosection, "subsection", 10 }, /* TEXICMD_SUBSECTION */ { dosection, "subsubheading", 13 }, /* TEXICMD_SUBSUBHEADING */ { dosection, "subsubsection", 13 }, /* TEXICMD_SUBSUBSECTION */ { doignline, "subtitle", 8 }, /* TEXICMD_SUBTITLE */ { doignline, "summarycontents", 15 }, /* TEXICMD_SUMMARYCONTENTS */ { dodefindex, "synindex", 8 }, /* TEXICMD_SYNINDEX */ { dodefindex, "syncodeindex", 12 }, /* TEXICMD_SYNCODEINDEX */ { doinline, "t", 1 }, /* TEXICMD_T */ { dotab, "tab", 3 }, /* TEXICMD_TAB */ { dosymbol, "\t", 1 }, /* TEXICMD_TABSYM */ { dotable, "table", 5 }, /* TEXICMD_TABLE */ { doignblock, "tex", 3 }, /* TEXICMD_TEX */ { dosymbol, "TeX", 3 }, /* TEXICMD_TEXSYM */ { dosymbol, "textdegree", 10 }, /* TEXICMD_TEXTDEGREE */ { dosymbol, "TH", 2 }, /* TEXICMD_TH */ { dosymbol, "th", 2 }, /* TEXICMD_THSMALL */ { dosymbol, "tie", 3 }, /* TEXICMD_TIE */ { doaccent, "tieaccent", 9 }, /* TEXICMD_TIEACCENT */ { doaccent, "~", 1 }, /* TEXICMD_TILDE */ { doindex, "tindex", 6 }, /* TEXICMD_TINDEX */ { doignline, "title", 5 }, /* TEXICMD_TITLE */ { dobracket, "titlefont", 9 }, /* TEXICMD_TITLEFONT */ { doignblock, "titlepage", 9 }, /* TEXICMD_TITLEPAGE */ { dotop, "top", 3 }, /* TEXICMD_TOP */ { doindex, "tpindex", 7 }, /* TEXICMD_TPINDEX */ { doaccent, "u", 1 }, /* TEXICMD_U */ { doaccent, "ubaraccent", 10 }, /* TEXICMD_UBARACCENT */ { doaccent, "udotaccent", 10 }, /* TEXICMD_UDOTACCENT */ { doaccent, "\"", 1 }, /* TEXICMD_UMLAUT */ { dosection, "unnumbered", 10 }, /* TEXICMD_UNNUMBERED */ { dosection, "unnumberedsec", 13 }, /* TEXICMD_UNNUMBEREDSEC */ { dosection, "unnumberedsubsec", 16 }, /* TEXICMD_UNNUMBEREDSUBSEC */ { dosection, "unnumberedsubsubsec", 19 }, /* TEXICMD_UNNUMBEREDSUBSUBSEC */ { dolink, "uref", 4 }, /* TEXICMD_UREF */ { dolink, "url", 3 }, /* TEXICMD_URL */ { doignline, "", 0 }, /* TEXICMD_USER_INDEX */ { doaccent, "v", 1 }, /* TEXICMD_V */ { dovalue, "value", 5 }, /* TEXICMD_VALUE */ { doinline, "var", 3 }, /* TEXICMD_VAR */ { doverb, "verb", 4 }, /* TEXICMD_VERB */ { doverbatim, "verbatim", 8 }, /* TEXICMD_VERBATIM */ { doverbinclude, "verbatiminclude", 15 }, /* TEXICMD_VERBATIMINCLUDE */ { doindex, "vindex", 6 }, /* TEXICMD_VINDEX */ { doindex, "vrindex", 7 }, /* TEXICMD_VRINDEX */ { dosp, "vskip", 5 }, /* TEXICMD_VSKIP */ { dotable, "vtable", 6 }, /* TEXICMD_VTABLE */ { dobracket, "w", 1 }, /* TEXICMD_W */ { dolink, "xref", 4 }, /* TEXICMD_XREF */ /* TEXICMD__END */ }; const struct texitok *const texitoks = __texitoks; /* * Define new indexes either by assignment or aliasing (both of these * accept the first argument as the new index). */ static void dodefindex(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); start = *pos; while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) advance(p, pos); if (*pos == BUFSZ(p)) { texiwarn(p, "unexpected EOF"); return; } if (0 == *pos - start) texiwarn(p, "zero-length index definition"); else texindex_add(p, &BUF(p)[start], *pos - start); advance(p, pos); } /* * Handle both possible "define function" (type, etc.) classes: where * we'll have a body and without one (suffixed with "x"). */ static void dodefn(struct texi *p, enum texicmd cmd, size_t *pos) { const char *blk; blk = NULL; switch (cmd) { case (TEXICMD_DEFFN): case (TEXICMD_DEFMAC): case (TEXICMD_DEFTP): case (TEXICMD_DEFTYPEFN): case (TEXICMD_DEFTYPEFUN): case (TEXICMD_DEFTYPEMETHOD): case (TEXICMD_DEFTYPEVAR): case (TEXICMD_DEFTYPEVR): case (TEXICMD_DEFUN): case (TEXICMD_DEFVAR): case (TEXICMD_DEFVR): blk = texitoks[cmd].tok; break; default: break; } if (p->ign) { NULL != blk ? parseto(p, pos, blk) : parseeoln(p, pos); return; } if (p->seenvs >= 0) { teximacro(p, "Pp"); p->seenvs = -1; } switch (cmd) { case (TEXICMD_DEFTYPEMETHOD): case (TEXICMD_DEFTYPEMETHODX): texiputchars(p, "Method"); break; case (TEXICMD_DEFMAC): case (TEXICMD_DEFMACX): texiputchars(p, "Macro"); break; case (TEXICMD_DEFTYPEVAR): case (TEXICMD_DEFTYPEVARX): case (TEXICMD_DEFVAR): case (TEXICMD_DEFVARX): texiputchars(p, "Variable"); break; case (TEXICMD_DEFTYPEFUN): case (TEXICMD_DEFTYPEFUNX): case (TEXICMD_DEFUN): case (TEXICMD_DEFUNX): texiputchars(p, "Function"); break; default: parselinearg(p, pos); break; } p->seenvs = 0; texiputchar(p, ':'); texiputchar(p, '\n'); switch (cmd) { case (TEXICMD_DEFMAC): case (TEXICMD_DEFMACX): teximacroopen(p, "Dv"); while (parselinearg(p, pos)) /* Spin. */ ; teximacroclose(p); break; case (TEXICMD_DEFFN): case (TEXICMD_DEFFNX): case (TEXICMD_DEFUN): case (TEXICMD_DEFUNX): teximacroopen(p, "Fo"); parselinearg(p, pos); teximacroclose(p); teximacroopen(p, "Fa"); while (parselinearg(p, pos)) /* Spin. */ ; teximacroclose(p); teximacro(p, "Fc"); break; case (TEXICMD_DEFTYPEFUN): case (TEXICMD_DEFTYPEFUNX): case (TEXICMD_DEFTYPEFN): case (TEXICMD_DEFTYPEFNX): case (TEXICMD_DEFTYPEMETHOD): case (TEXICMD_DEFTYPEMETHODX): teximacroopen(p, "Ft"); parselinearg(p, pos); teximacroclose(p); teximacroopen(p, "Fo"); parselinearg(p, pos); teximacroclose(p); teximacroopen(p, "Fa"); while (parselinearg(p, pos)) /* Spin. */ ; teximacroclose(p); teximacro(p, "Fc"); break; case (TEXICMD_DEFTP): case (TEXICMD_DEFTPX): case (TEXICMD_DEFTYPEVAR): case (TEXICMD_DEFTYPEVARX): case (TEXICMD_DEFTYPEVR): case (TEXICMD_DEFTYPEVRX): teximacroopen(p, "Vt"); while (parselinearg(p, pos)) /* Spin. */ ; teximacroclose(p); break; case (TEXICMD_DEFVAR): case (TEXICMD_DEFVARX): case (TEXICMD_DEFVR): case (TEXICMD_DEFVRX): teximacroopen(p, "Va"); while (parselinearg(p, pos)) /* Spin. */ ; teximacroclose(p); break; default: abort(); } if (NULL == blk) return; /* * All "block" definitions have their block bodies indented * unless they have the "x" form of the command following. * E.g., * @deffn some function * @deffnx another * An explanation. * @end deffn * With this loop, we delay opening the indented block until we * skipped past conformant macros. */ for (;;) { switch (peekcmd(p, *pos)) { case (TEXICMD_DEFFNX): case (TEXICMD_DEFMACX): case (TEXICMD_DEFTPX): case (TEXICMD_DEFTYPEFNX): case (TEXICMD_DEFTYPEFUNX): case (TEXICMD_DEFTYPEMETHODX): case (TEXICMD_DEFTYPEVARX): case (TEXICMD_DEFTYPEVRX): case (TEXICMD_DEFUNX): case (TEXICMD_DEFVARX): case (TEXICMD_DEFVRX): texivspace(p); parseeoln(p, pos); continue; default: break; } break; } if (TEXICMD_END == peekcmd(p, *pos)) { parseto(p, pos, blk); return; } texivspace(p); teximacro(p, "Bd -filled -offset indent -compact"); p->seenvs = -1; parseto(p, pos, blk); p->seenvs = 0; teximacro(p, "Ed"); texivspace(p); } static void domacro(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start, end, endtoksz, len; struct teximacro m; const char *endtok, *blk; memset(&m, 0, sizeof(struct teximacro)); while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); for (start = end = *pos; end < BUFSZ(p); end++) if (ismspace(BUF(p)[end]) || '{' == BUF(p)[end]) break; if (start == end) texierr(p, "zero-length macro name"); advanceto(p, pos, end); m.key = malloc(end - start + 1); if (NULL == m.key) texiabort(p, NULL); memcpy(m.key, &BUF(p)[start], end - start); m.key[end - start] = '\0'; m.args = argparse(p, pos, &m.argsz, 0); /* Note: we advance to the beginning of the macro. */ advanceeoln(p, pos, 1); /* * According to the Texinfo manual, the macro ends on the * newline subsequent the @end macro. * That's COMPLETELY FUCKING WRONG. * It ends inclusive the newline, which is why so many macros * say things like @r{hello}@c, where the subsequent @c swallows * the newline. * However, it does swallow the leading newline, so look for the * @end macro without the leading newline else we might look * past empty macros. */ start = *pos; endtok = "@end macro\n"; endtoksz = strlen(endtok); blk = memmem(&BUF(p)[start], BUFSZ(p) - start, endtok, endtoksz); if (NULL == blk) texierr(p, "unterminated macro body"); /* Roll us back one character. */ while (&BUF(p)[*pos] != blk) advance(p, pos); assert('@' == BUF(p)[*pos]); if ('\n' != BUF(p)[*pos - 1]) texierr(p, "cannot handle @end macro in-line"); len = blk - &BUF(p)[start]; m.value = malloc(len + 1); if (NULL == m.value) texiabort(p, NULL); memcpy(m.value, &BUF(p)[start], len); m.value[len] = '\0'; p->macros = realloc (p->macros, (p->macrosz + 1) * sizeof(struct teximacro)); if (NULL == p->macros) texiabort(p, NULL); p->macros[p->macrosz++] = m; advanceeoln(p, pos, 1); } static void doignblock(struct texi *p, enum texicmd cmd, size_t *pos) { char end[32], start[32]; const char *endt, *startt; size_t esz, ssz, newpos, stack; /* * FIXME: this is cheating. * These tokens are supposed to begin on a newline. * However, if we do that, then we would need to check within * the loop for trailer (or leading, as the case may be) * newline, and that's just a bit too complicated right now. * This is becasue * @ifset BAR * @ifset FOO * @end ifset * @end ifset * won't work right now: we'd read after the first "@end ifset" * to the next line, then look for the next line after that. */ ssz = snprintf(start, sizeof(start), "@%s", texitoks[cmd].tok); assert(ssz < sizeof(start)); esz = snprintf(end, sizeof(end), "@end %s\n", texitoks[cmd].tok); assert(esz < sizeof(end)); stack = 1; /* * Here we look for the end token "end" somewhere in the file in * front of us. * It's not that easy, of course: if we have a nested block, * then there'll be an "end" token of the same kind between us. * Thus, we keep track of scopes for matching "end" blocks. */ while (stack > 0 && *pos < BUFSZ(p)) { if (stack > 64) texierr(p, "run-away nested stack?"); endt = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, end, esz); startt = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, start, ssz); if (NULL == endt) { texiwarn(p, "unterminated \"%s\" " "block", texitoks[cmd].tok); *pos = BUFSZ(p); break; } newpos = *pos; if (NULL == startt || startt > endt) { newpos += esz + (size_t)(endt - &BUF(p)[*pos]); stack--; } else { newpos += ssz + (size_t)(startt - &BUF(p)[*pos]); stack++; } assert(newpos <= BUFSZ(p)); while (*pos < newpos) advance(p, pos); } } static void doblock(struct texi *p, enum texicmd cmd, size_t *pos) { parseto(p, pos, texitoks[cmd].tok); } static void doinline(struct texi *p, enum texicmd cmd, size_t *pos) { const char *macro = NULL; switch (cmd) { case (TEXICMD_CODE): case (TEXICMD_KBD): /* FIXME: quote around @samp{} */ case (TEXICMD_SAMP): case (TEXICMD_T): macro = "Li"; break; case (TEXICMD_CITE): case (TEXICMD_DFN): case (TEXICMD_EMPH): case (TEXICMD_I): case (TEXICMD_SLANTED): macro = "Em"; break; case (TEXICMD_B): case (TEXICMD_STRONG): macro = "Sy"; break; case (TEXICMD_COMMAND): macro = "Xr"; break; case (TEXICMD_ENV): macro = "Ev"; break; case (TEXICMD_FILE): macro = "Pa"; break; case (TEXICMD_OPTION): macro = "Op"; break; case (TEXICMD_VAR): macro = "Va"; break; default: break; } if (NULL == macro || p->literal || TEXILIST_TABLE == p->list) { if (TEXICMD_SC == cmd) p->uppercase++; parsebracket(p, pos, 0); if (TEXICMD_SC == cmd) p->uppercase--; return; } /* * If we haven't seen any whitespace, then we don't want the * subsequent macro to insert any whitespace. */ if (p->outmacro && 0 == p->seenws) { teximacroopen(p, "Ns"); teximacroclose(p); } teximacroopen(p, macro); p->seenws = 0; if (TEXICMD_CODE == cmd) p->literal++; if (TEXICMD_SC == cmd) p->uppercase++; parsebracket(p, pos, 0); if (TEXICMD_SC == cmd) p->uppercase--; if (TEXICMD_CODE == cmd) p->literal--; texipunctuate(p, pos); teximacroclose(p); } static void doverb(struct texi *p, enum texicmd cmd, size_t *pos) { char delim; size_t start; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); if (*pos == BUFSZ(p) || '{' != BUF(p)[*pos]) return; advance(p, pos); if (*pos == BUFSZ(p)) return; delim = BUF(p)[*pos]; advance(p, pos); /* Make sure we flush out our initial whitespace... */ if (p->seenws && p->outcol && 0 == p->literal) texiputchar(p, ' '); p->seenws = 0; start = *pos; /* Read until we see the delimiter then end-brace. */ while (*pos < BUFSZ(p) - 1) { if (BUF(p)[*pos] == delim && BUF(p)[*pos + 1] == '}') break; advance(p, pos); } if (*pos >= BUFSZ(p) - 1) return; texiputbuf(p, start, *pos); /* Make sure we read after the end-brace. */ assert(delim == BUF(p)[*pos]); advance(p, pos); assert('}' == BUF(p)[*pos]); advance(p, pos); } static void doinsertcopying(struct texi *p, enum texicmd cmd, size_t *pos) { advanceeoln(p, pos, 0); if (NULL != p->copying) texisplice(p, p->copying, p->copyingsz, *pos); } static void docopying(struct texi *p, enum texicmd cmd, size_t *pos) { const char *end, *term; size_t endsz, endpos; /* We retain our starting (but not ending) newlines. */ end = "\n@end copying\n"; endsz = strlen(end); advanceeoln(p, pos, 0); if (*pos == BUFSZ(p)) { texiwarn(p, "unterminated \"%s\"", texitoks[cmd].tok); return; } term = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, end, endsz); if (NULL == term) { texiwarn(p, "unterminated \"%s\"", texitoks[cmd].tok); endpos = BUFSZ(p); } else endpos = *pos + (size_t)(term - &BUF(p)[*pos]); assert(endpos <= BUFSZ(p)); assert('\n' == BUF(p)[*pos]); advance(p, pos); p->copying = malloc(endpos - *pos + 1); p->copyingsz = endpos - *pos; memcpy(p->copying, &BUF(p)[*pos], p->copyingsz); p->copying[endpos - *pos] = '\0'; while (*pos < endpos) advance(p, pos); if (*pos < BUFSZ(p)) advanceto(p, pos, endpos + endsz); } static void doverbatim(struct texi *p, enum texicmd cmd, size_t *pos) { const char *end, *term; size_t endsz, endpos; /* We read from the @verbatim\n newline inclusive! */ end = "\n@end verbatim\n"; endsz = strlen(end); advanceeoln(p, pos, 0); if (*pos == BUFSZ(p)) { texiwarn(p, "unterminated \"%s\"", texitoks[cmd].tok); return; } term = memmem(&BUF(p)[*pos], BUFSZ(p) - *pos, end, endsz); if (NULL == term) { texiwarn(p, "unterminated \"%s\"", texitoks[cmd].tok); endpos = BUFSZ(p); } else endpos = *pos + (size_t)(term - &BUF(p)[*pos]); assert(endpos <= BUFSZ(p)); assert('\n' == BUF(p)[*pos]); advance(p, pos); texivspace(p); teximacro(p, "Bd -literal -offset indent -compact"); p->seenvs = -1; while (*pos < endpos) { texiputchar(p, BUF(p)[*pos]); advance(p, pos); } p->seenvs = 0; teximacro(p, "Ed"); texivspace(p); if (*pos < BUFSZ(p)) advanceto(p, pos, endpos + endsz); } static void doverbinclude(struct texi *p, enum texicmd cmd, size_t *pos) { char fname[PATH_MAX], path[PATH_MAX]; int rc; size_t i, end; const char *v; enum texicmd type; while (*pos < BUFSZ(p) && ' ' == BUF(p)[*pos]) advance(p, pos); for (i = 0; *pos < BUFSZ(p) && '\n' != BUF(p)[*pos]; ) { if (i == sizeof(fname) - 1) break; if ('@' != BUF(p)[*pos]) { fname[i++] = BUF(p)[*pos]; advance(p, pos); continue; } type = texicmd(p, *pos, &end, NULL); advanceto(p, pos, end); if (TEXICMD_VALUE != type) texierr(p, "unknown verbatiminclude command"); v = valueblookup(p, pos); if (NULL == v) continue; while ('\0' != *v) { if (i == sizeof(fname) - 1) break; fname[i++] = *v++; } if ('\0' != *v) break; } if (i == 0) texierr(p, "path too short"); else if ('\n' != BUF(p)[*pos]) texierr(p, "path too long"); else if ('/' == fname[0]) texierr(p, "no absolute paths"); fname[i] = '\0'; if (strstr(fname, "../") || strstr(fname, "/..")) texierr(p, "insecure path"); rc = snprintf(path, sizeof(path), "%s/%s", p->dirs[0], fname); if (rc < 0) texierr(p, "couldn't format path"); else if ((size_t)rc >= sizeof(path)) texierr(p, "path too long"); parsefile(p, path, 0); } static void doinclude(struct texi *p, enum texicmd cmd, size_t *pos) { char fname[PATH_MAX], path[PATH_MAX]; size_t i, end; int rc; const char *v; enum texicmd type; while (*pos < BUFSZ(p) && ' ' == BUF(p)[*pos]) advance(p, pos); /* Read in the filename. */ for (i = 0; *pos < BUFSZ(p) && '\n' != BUF(p)[*pos]; ) { if (i == sizeof(fname) - 1) break; if ('@' != BUF(p)[*pos]) { fname[i++] = BUF(p)[*pos]; advance(p, pos); continue; } type = texicmd(p, *pos, &end, NULL); advanceto(p, pos, end); if (TEXICMD_VALUE != type) texierr(p, "unknown include command"); v = valueblookup(p, pos); if (NULL == v) continue; while ('\0' != *v) { if (i == sizeof(fname) - 1) break; fname[i++] = *v++; } if ('\0' != *v) break; } if (i == 0) texierr(p, "path too short"); else if ('\n' != BUF(p)[*pos]) texierr(p, "path too long"); else if ('/' == fname[0]) texierr(p, "no absolute paths"); fname[i] = '\0'; if (strstr(fname, "../") || strstr(fname, "/..")) texierr(p, "insecure path"); for (i = 0; i < p->dirsz; i++) { rc = snprintf(path, sizeof(path), "%s/%s", p->dirs[i], fname); if (rc < 0) texierr(p, "couldn't format path"); else if ((size_t)rc >= sizeof(path)) texierr(p, "path too long"); else if (-1 == access(path, R_OK)) continue; parsefile(p, path, 1); return; } texierr(p, "couldn't find %s in includes", fname); } static void dobracket(struct texi *p, enum texicmd cmd, size_t *pos) { parsebracket(p, pos, 0); } static void dodisplay(struct texi *p, enum texicmd cmd, size_t *pos) { advanceeoln(p, pos, 1); texivspace(p); switch (cmd) { case (TEXICMD_FORMAT): case (TEXICMD_SMALLFORMAT): teximacro(p, "Bd -filled -compact"); break; default: teximacro(p, "Bd -filled -offset indent -compact"); break; } p->seenvs = -1; parseto(p, pos, texitoks[cmd].tok); p->seenvs = 0; teximacro(p, "Ed"); texivspace(p); } static void doexample(struct texi *p, enum texicmd cmd, size_t *pos) { advanceeoln(p, pos, 1); texivspace(p); teximacro(p, "Bd -literal -offset indent -compact"); p->literal++; parseto(p, pos, texitoks[cmd].tok); p->literal--; p->seenvs = 0; teximacro(p, "Ed"); texivspace(p); } static void dobye(struct texi *p, enum texicmd cmd, size_t *pos) { texiexit(p); exit(EXIT_SUCCESS); } static void dotitle(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); /* We want to suck down the entire line, inclusive \n. */ start = *pos; while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) { if ('@' == BUF(p)[*pos]) advance(p, pos); advance(p, pos); } if (*pos < BUFSZ(p)) advance(p, pos); /* Copy this into a buffer. */ free(p->subtitle); if (NULL == (p->subtitle = malloc(*pos - start + 1))) texiabort(p, NULL); memcpy(p->subtitle, &BUF(p)[start], *pos - start); p->subtitle[*pos - start] = '\0'; } static void doaccent(struct texi *p, enum texicmd cmd, size_t *pos) { int brace = 0; if (*pos == BUFSZ(p)) { texiwarn(p, "truncated: @%s", texitoks[cmd].tok); return; } /* Pad us with space, if necessary. */ if (p->seenws && p->outcol && 0 == p->literal) { texiputchar(p, ' '); p->seenws = 0; } /* * If we're braced, then that's that. * Otherwise, in a special Texinfo case: if we're a non * alphabetic command of one letter, then the next character is * the critical one. * Otherwise, space can sit between us and our argument. */ if ('{' == BUF(p)[*pos]) { brace = 1; advance(p, pos); } else if (isalpha((unsigned char)texitoks[cmd].tok[0])) while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); if (*pos == BUFSZ(p)) { texiwarn(p, "truncated: @%s", texitoks[cmd].tok); return; } switch (cmd) { case (TEXICMD_ACUTE): switch (BUF(p)[*pos]) { case ('a'): case ('A'): case ('e'): case ('E'): case ('i'): case ('I'): case ('o'): case ('O'): case ('u'): case ('U'): texiputchars(p, "\\(\'"); break; default: texiwarn(p, "ignoring accent"); break; } texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_CEDILLA): if ('c' == BUF(p)[*pos] || 'C' == BUF(p)[*pos]) texiputchars(p, "\\(,"); else texiwarn(p, "ignoring accent"); texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_CIRCUMFLEX): switch (BUF(p)[*pos]) { case ('a'): case ('A'): case ('e'): case ('E'): case ('i'): case ('I'): case ('o'): case ('O'): case ('u'): case ('U'): texiputchars(p, "\\(^"); break; default: texiwarn(p, "ignoring accent"); break; } texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_DOTLESS): if ('i' == BUF(p)[*pos] || 'j' == BUF(p)[*pos]) texiputchars(p, "\\(."); else texiwarn(p, "ignoring accent"); texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_GRAVE): switch (BUF(p)[*pos]) { case ('a'): case ('A'): case ('e'): case ('E'): case ('i'): case ('I'): case ('o'): case ('O'): case ('u'): case ('U'): texiputchars(p, "\\(`"); break; default: texiwarn(p, "ignoring accent"); break; } texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_TILDE): switch (BUF(p)[*pos]) { case ('a'): case ('A'): case ('n'): case ('N'): case ('o'): case ('O'): texiputchars(p, "\\(~"); break; default: texiwarn(p, "ignoring accent"); break; } texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; case (TEXICMD_UMLAUT): switch (BUF(p)[*pos]) { case ('a'): case ('A'): case ('e'): case ('E'): case ('i'): case ('I'): case ('o'): case ('O'): case ('u'): case ('U'): case ('y'): texiputchars(p, "\\(:"); break; default: texiwarn(p, "ignoring accent"); break; } texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; default: texiputchar(p, BUF(p)[*pos]); advance(p, pos); break; } if (brace) { while (*pos < BUFSZ(p) && '}' != BUF(p)[*pos]) { texiputchar(p, BUF(p)[*pos]); advance(p, pos); } if (*pos < BUFSZ(p)) advance(p, pos); } switch (cmd) { case (TEXICMD_TIEACCENT): texiputchar(p, ']'); break; case (TEXICMD_DOTACCENT): texiputchar(p, '*'); break; default: break; } } static void dosymbol(struct texi *p, enum texicmd cmd, size_t *pos) { /* Remember to pad us. */ if (p->seenws && p->outcol && 0 == p->literal) texiputchar(p, ' '); p->seenws = 0; switch (cmd) { case (TEXICMD_AA): texiputchars(p, "\\(oA"); break; case (TEXICMD_AASMALL): texiputchars(p, "\\(oa"); break; case (TEXICMD_AE): texiputchars(p, "\\(AE"); break; case (TEXICMD_AESMALL): texiputchars(p, "\\(ae"); break; case (TEXICMD_ASTERISK): case (TEXICMD_NEWLINE): case (TEXICMD_SPACE): case (TEXICMD_TABSYM): texiputchar(p, ' '); break; case (TEXICMD_AT): texiputchar(p, '@'); break; case (TEXICMD_BACKSLASH): texiputchar(p, '\\'); break; case (TEXICMD_BANG): texiputchar(p, '!'); break; case (TEXICMD_BULLET): texiputchars(p, "\\(bu"); break; case (TEXICMD_COMMA): texiputchar(p, ','); break; case (TEXICMD_COPYRIGHT): texiputchars(p, "\\(co"); break; case (TEXICMD_DH): texiputchars(p, "\\(-D"); break; case (TEXICMD_DHSMALL): texiputchars(p, "\\(Sd"); break; case (TEXICMD_DOTS): case (TEXICMD_ENDDOTS): texiputchars(p, "..."); break; case (TEXICMD_EQUIV): texiputchars(p, "\\(=="); break; case (TEXICMD_ERROR): texiputchars(p, "error\\(->"); break; case (TEXICMD_EURO): texiputchars(p, "\\(Eu"); break; case (TEXICMD_EXCLAMDOWN): texiputchars(p, "\\(r!"); break; case (TEXICMD_EXPANSION): texiputchars(p, "\\(->"); break; case (TEXICMD_GEQ): texiputchars(p, "\\(>="); break; case (TEXICMD_GUILLEMETLEFT): case (TEXICMD_GUILLEMOTLEFT): texiputchars(p, "\\(Fo"); break; case (TEXICMD_GUILLEMETRIGHT): case (TEXICMD_GUILLEMOTRIGHT): texiputchars(p, "\\(Fc"); break; case (TEXICMD_GUILSINGLLEFT): texiputchars(p, "\\(fo"); break; case (TEXICMD_GUILSINGLRIGHT): texiputchars(p, "\\(fc"); break; case (TEXICMD_L): texiputchars(p, "\\(/L"); break; case (TEXICMD_LATEX): texiputchars(p, "LaTeX"); break; case (TEXICMD_LEQ): texiputchars(p, "\\(<="); break; case (TEXICMD_LSMALL): texiputchars(p, "\\(/l"); break; case (TEXICMD_MINUS): texiputchars(p, "\\-"); break; case (TEXICMD_O): texiputchars(p, "\\(/O"); break; case (TEXICMD_OE): texiputchars(p, "\\(OE"); break; case (TEXICMD_OESMALL): texiputchars(p, "\\(oe"); break; case (TEXICMD_ORDF): texiputchars(p, "a"); break; case (TEXICMD_ORDM): texiputchars(p, "o"); break; case (TEXICMD_OSMALL): texiputchars(p, "\\(/o"); break; case (TEXICMD_PERIOD): texiputchar(p, '.'); break; case (TEXICMD_POUNDS): texiputchars(p, "\\(Po"); break; case (TEXICMD_QUESTIONDOWN): texiputchars(p, "\\(r?"); break; case (TEXICMD_QUESTIONMARK): texiputchar(p, '?'); break; case (TEXICMD_QUOTEDBLBASE): texiputchars(p, "\\(Bq"); break; case (TEXICMD_QUOTEDBLLEFT): texiputchars(p, "\\(lq"); break; case (TEXICMD_QUOTEDBLRIGHT): texiputchars(p, "\\(rq"); break; case (TEXICMD_QUOTESINGLBASE): texiputchars(p, "\\(bq"); break; case (TEXICMD_QUOTELEFT): texiputchars(p, "\\(oq"); break; case (TEXICMD_QUOTERIGHT): texiputchars(p, "\\(cq"); break; case (TEXICMD_REGISTEREDSYMBOL): texiputchars(p, "\\(rg"); break; case (TEXICMD_RESULT): texiputchars(p, "\\(rA"); break; case (TEXICMD_SLASH): texiputchar(p, '/'); break; case (TEXICMD_SS): texiputchars(p, "\\(ss"); break; case (TEXICMD_SQUIGGLE_LEFT): texiputchars(p, "{"); break; case (TEXICMD_SQUIGGLE_RIGHT): texiputchars(p, "}"); break; case (TEXICMD_TEXSYM): texiputchars(p, "TeX"); break; case (TEXICMD_TEXTDEGREE): texiputchars(p, "\\(de"); break; case (TEXICMD_TH): texiputchars(p, "\\(TP"); break; case (TEXICMD_THSMALL): texiputchars(p, "\\(Tp"); break; case (TEXICMD_TIE): texiputchars(p, "\\ "); break; case (TEXICMD_COLON): case (TEXICMD_HYPHEN): break; default: abort(); } /* Alphabetic commands have braces we ignore. */ if (isalpha((unsigned char)texitoks[cmd].tok[0])) doignbracket(p, cmd, pos); } static void doquotation(struct texi *p, enum texicmd cmd, size_t *pos) { teximacro(p, "Qo"); parseto(p, pos, "quotation"); teximacro(p, "Qc"); } static int indexcmp(const void *p1, const void *p2) { return(strcasecmp(*(const char **)p1, *(const char **)p2)); } static void doprintindex(struct texi *p, enum texicmd cmd, size_t *pos) { size_t i, j, start, end, len; #if HAVE_INDEX char *cp; #endif while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); start = *pos; while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) advance(p, pos); if ((end = *pos) == BUFSZ(p)) { texiwarn(p, "unexpected EOF"); return; } advance(p, pos); if (0 == (len = end - start)) { texiwarn(p, "zero-length index"); return; } /* Look for the index in our table. */ for (i = 0; i < p->indexsz; i++) { if (strlen(p->indexs[i].name) != len) continue; if (strncmp(p->indexs[i].name, &BUF(p)[start], len)) continue; break; } if (i == p->indexsz) { texiwarn(p, "cannot find index"); return; } else if (0 == p->indexs[i].indexsz) return; /* Alphabetically sort our indices. */ qsort(p->indexs[i].index, p->indexs[i].indexsz, sizeof(char *), indexcmp); texivspace(p); teximacro(p, "Bl -tag -width Ds -compact"); for (j = 0; j < p->indexs[i].indexsz; j++) { teximacroopen(p, "It"); #if HAVE_INDEX teximacroopen(p, "Lkx"); texiputchars(p, "\"idx"); texiputchars(p, p->indexs[i].name); cp = p->indexs[i].index[j]; while ('\n' != *cp) { assert('\0' != *cp); texiputchar(p, *cp++); } texiputchars(p, "\" \""); p->literal++; #endif texisplice(p, p->indexs[i].index[j], strlen(p->indexs[i].index[j]), *pos); parseeoln(p, pos); #if HAVE_INDEX p->literal--; texiputchars(p, "\""); teximacroclose(p); #endif teximacroclose(p); } p->seenvs = 0; teximacro(p, "El"); texivspace(p); } static void donode(struct texi *p, enum texicmd cmd, size_t *pos) { int sv = p->seenvs; if (NULL != p->chapters) { advanceeoln(p, pos, 1); return; } #if HAVE_INDEX p->seenvs = -1; teximacroopen(p, "Ix"); texiputchars(p, "node"); while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); while (*pos < BUFSZ(p)) { if (BUF(p)[*pos] == ',') break; else if (BUF(p)[*pos] == '\n') break; texiputchar(p, BUF(p)[*pos]); advance(p, pos); } teximacroclose(p); #endif advanceeoln(p, pos, 1); p->seenvs = sv; } /* * This handles both menu and detailedmenu. * The syntax of these is fairly... unspecific, but what we do here * seems to work with most manuals. */ static void domenu(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start, end, sv; if (NULL != p->chapters) { doignblock(p, cmd, pos); return; } advanceeoln(p, pos, 1); /* * Parse past initial stuff. * TODO: the manual says we're supposed to make this in bold or * something. */ while (*pos < BUFSZ(p)) { while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); if ('*' != BUF(p)[*pos]) { if (TEXICMD_END == peeklinecmd(p, *pos)) break; parseeoln(p, pos); } else break; } texivspace(p); teximacro(p, "Bl -tag -width Ds -compact"); while (*pos < BUFSZ(p)) { /* * Read to next menu item. * We simply parse every line until we get a magic '*'. * These lines might occur interspersed OR as the * description of an entry. * Either way it's in the `It' block. */ if (0 == p->seenws) p->seenws = *pos < BUFSZ(p) && isws(BUF(p)[*pos]); while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); if ('*' != BUF(p)[*pos]) { if (TEXICMD_END == peeklinecmd(p, *pos)) break; parseeoln(p, pos); continue; } /* Now we're parsing a menu item. */ advance(p, pos); while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); start = sv = *pos; while (*pos < BUFSZ(p) && ':' != BUF(p)[*pos]) advance(p, pos); end = *pos; advance(p, pos); if (*pos == BUFSZ(p)) { texiwarn(p, "bad menu syntax"); break; } else if (':' != BUF(p)[*pos]) { while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); teximacroopen(p, "It"); #ifdef HAVE_INDEX teximacroopen(p, "Lkx"); texiputchars(p, "\"node"); #endif while (*pos < BUFSZ(p)) { switch (BUF(p)[*pos]) { case ('\t'): case ('\n'): case (','): break; case ('.'): if (*pos + 1 == BUFSZ(p)) { advance(p, pos); continue; } if (' ' == BUF(p)[*pos + 1]) { advance(p, pos); break; } /* FALLTHROUGH */ default: texiputchar(p, BUF(p)[*pos]); advance(p, pos); continue; } advance(p, pos); break; } #ifdef HAVE_INDEX texiputchars(p, "\" \""); for (start = sv; start < end; start++) texiputchar(p, BUF(p)[start]); texiputchar(p, '"'); #endif } else { advance(p, pos); p->seenvs = 0; teximacroopen(p, "It"); #ifdef HAVE_INDEX teximacroopen(p, "Lkx"); texiputchars(p, "\"node"); for (start = sv; start < end; start++) texiputchar(p, BUF(p)[start]); texiputchars(p, "\" \""); #endif for (start = sv; start < end; start++) texiputchar(p, BUF(p)[start]); #ifdef HAVE_INDEX texiputchar(p, '"'); #endif } #ifdef HAVE_INDEX teximacroclose(p); #endif teximacroclose(p); } advanceeoln(p, pos, 0); p->seenvs = 0; teximacro(p, "El"); texivspace(p); } static void domath(struct texi *p, enum texicmd cmd, size_t *pos) { parsebracket(p, pos, 1); } static void dovalue(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start, end; char *key, *val; const char *cp; if (TEXICMD_SET == cmd) { while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); for (start = end = *pos; end < BUFSZ(p); end++) if (ismspace(BUF(p)[end])) break; /* We don't allow empty keys. */ if (start == end) return; advanceto(p, pos, end); key = malloc(end - start + 1); if (NULL == key) texiabort(p, NULL); memcpy(key, &BUF(p)[start], end - start); key[end - start] = '\0'; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); for (start = end = *pos; end < BUFSZ(p); end++) if ('\n' == BUF(p)[end]) break; /* We do allow empty values. */ advanceeoln(p, pos, 1); val = malloc(end - start + 1); if (NULL == val) texiabort(p, NULL); memcpy(val, &BUF(p)[start], end - start); val[end - start] = '\0'; valueadd(p, key, val); } else if (TEXICMD_VALUE == cmd) { if (p->seenws) texiputchar(p, ' '); p->seenws = 0; if (NULL != (cp = valueblookup(p, pos))) texisplice(p, cp, strlen(cp), *pos); else texiputchars(p, "{No value}"); } else if (TEXICMD_IFCLEAR == cmd) { if (NULL != valuellookup(p, pos)) doignblock(p, cmd, pos); else parseto(p, pos, texitoks[cmd].tok); } else if (TEXICMD_IFSET == cmd) { if (NULL == valuellookup(p, pos)) doignblock(p, cmd, pos); else parseto(p, pos, texitoks[cmd].tok); } else if (TEXICMD_CLEAR == cmd) valuelclear(p, pos); } static void dolink(struct texi *p, enum texicmd cmd, size_t *pos) { int c; switch (cmd) { case (TEXICMD_EMAIL): teximacroopen(p, "Mt"); break; case (TEXICMD_UREF): case (TEXICMD_URL): case (TEXICMD_INDICATEURL): teximacroopen(p, "Lk"); break; case (TEXICMD_XREF): texiputchars(p, "See Section"); teximacroopen(p, "Dq"); break; case (TEXICMD_PXREF): texiputchars(p, "see Section"); teximacroopen(p, "Dq"); break; case (TEXICMD_INFOREF): texiputchars(p, "See Info file node"); teximacroopen(p, "Dq"); break; default: abort(); } c = parsearg(p, pos, 0); p->ign++; while (c > 0) c = parsearg(p, pos, 1); p->ign--; texipunctuate(p, pos); teximacroclose(p); } static void doignargn(struct texi *p, enum texicmd cmd, size_t *pos) { int c; c = parsearg(p, pos, 0); p->ign++; while (c > 0) c = parsearg(p, pos, 1); p->ign--; } /* * Sections can be made subsections and so on by way of the * @raiseections and @lowersections commands. * Perform this check here and return the actual section number adjusted * to the raise level. */ static int sectioner(struct texi *p, int sec) { if ((sec -= p->secoffs) < 0) { texiwarn(p, "section below minimum, clamping"); return(0); } else if (sec >= SECTSZ) { texiwarn(p, "section above maximum, clamping"); return(SECTSZ - 1); } return(sec); } static void dosecoffs(struct texi *p, enum texicmd cmd, size_t *pos) { if (TEXICMD_RAISESECTIONS == cmd) p->secoffs++; else p->secoffs--; } static void dosection(struct texi *p, enum texicmd cmd, size_t *pos) { int sec; switch (cmd) { case (TEXICMD_TOP): sec = 0; break; case (TEXICMD_APPENDIX): case (TEXICMD_CHAPTER): case (TEXICMD_UNNUMBERED): sec = sectioner(p, 0); break; case (TEXICMD_APPENDIXSEC): case (TEXICMD_HEADING): case (TEXICMD_SECTION): case (TEXICMD_UNNUMBEREDSEC): sec = sectioner(p, 1); break; case (TEXICMD_APPENDIXSUBSEC): case (TEXICMD_SUBHEADING): case (TEXICMD_SUBSECTION): case (TEXICMD_UNNUMBEREDSUBSEC): sec = sectioner(p, 2); break; case (TEXICMD_APPENDIXSUBSUBSEC): case (TEXICMD_SUBSUBHEADING): case (TEXICMD_SUBSUBSECTION): case (TEXICMD_UNNUMBEREDSUBSUBSEC): sec = sectioner(p, 3); break; default: abort(); } if (p->outmacro) texierr(p, "\"%s\" in open line scope!?", sects[sec]); else if (p->literal) texierr(p, "\"%s\" in a literal scope!?", sects[sec]); if (sec < 2) p->seenvs = -1; else texivspace(p); if (0 == sec && NULL != p->chapters) { teximdocclose(p, 0); teximdocopen(p, pos); } teximacroopen(p, sects[sec]); parseeoln(p, pos); teximacroclose(p); if (sec < 2) p->seenvs = -1; else texivspace(p); } static void dotop(struct texi *p, enum texicmd cmd, size_t *pos) { if (--p->ign) texierr(p, "@top command while ignoring"); if (NULL == p->chapters) teximdocopen(p, pos); dosection(p, cmd, pos); } static void dosp(struct texi *p, enum texicmd cmd, size_t *pos) { advanceeoln(p, pos, 1); if (p->literal) texiputchar(p, '\n'); else texivspace(p); } static void doitem(struct texi *p, enum texicmd cmd, size_t *pos) { /* Multitable is using raw tbl(7). */ if (TEXILIST_TABLE == p->list) { if (p->outcol > 0) texiputchar(p, '\n'); return; } if (p->outmacro) texierr(p, "item in open line scope!?"); else if (p->literal) texierr(p, "item in a literal scope!?"); switch (p->list) { case (TEXILIST_ITEM): p->seenvs = -1; teximacroopen(p, "It"); break; case (TEXILIST_NOITEM): p->seenvs = -1; teximacro(p, "It"); break; default: texivspace(p); break; } /* Trick so we don't start with Pp. */ parseeoln(p, pos); if (TEXILIST_ITEM == p->list) teximacroclose(p); else if (p->outcol > 0) texiputchar(p, '\n'); } static void dotab(struct texi *p, enum texicmd cmd, size_t *pos) { /* This command is only useful in @multitable. */ if (TEXILIST_TABLE == p->list && p->outcol) texiputchar(p, '\t'); } static void domultitable(struct texi *p, enum texicmd cmd, size_t *pos) { enum texilist sv = p->list; int svliteral = p->literal; enum texicmd type; size_t i, end, columns; texivspace(p); p->list = TEXILIST_TABLE; /* * TS/TE blocks aren't "in mdoc(7)", so we can disregard the * fact that we're in literal mode right now. */ p->literal = 0; teximacro(p, "TS"); columns = 0; /* Advance to the first argument... */ while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); /* Make sure we don't print anything when scanning. */ p->ign++; if (*pos < BUFSZ(p) && '@' == BUF(p)[*pos]) { /* * Look for @columnfractions. * We ignore these, but we do use the number of * arguments to set the number of columns that we'll * have. */ type = texicmd(p, *pos, &end, NULL); advanceto(p, pos, end); if (TEXICMD_COLUMNFRACTIONS != type) texierr(p, "unknown multitable command"); while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) { while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); while (*pos < BUFSZ(p) && ! isws(BUF(p)[*pos])) { if ('\n' == BUF(p)[*pos]) break; advance(p, pos); } columns++; } } else /* * We have arguments. * We could parse these, but it's easier to just let * tbl(7) figure it out. * So use this only to count arguments. */ while (parselinearg(p, pos) > 0) columns++; p->ign--; /* Left-justify each table entry. */ for (i = 0; i < columns; i++) { if (i > 0) texiputchar(p, ' '); texiputchar(p, 'l'); } texiputchar(p, '.'); texiputchar(p, '\n'); p->outmacro++; parseto(p, pos, texitoks[cmd].tok); p->outmacro--; teximacro(p, "TE"); p->literal = svliteral; p->list = sv; texivspace(p); } static void dotable(struct texi *p, enum texicmd cmd, size_t *pos) { enum texilist sv = p->list; advanceeoln(p, pos, 1); p->list = TEXILIST_ITEM; texivspace(p); teximacro(p, "Bl -tag -width Ds -compact"); parseto(p, pos, texitoks[cmd].tok); p->seenvs = 0; teximacro(p, "El"); texivspace(p); p->list = sv; } static void doend(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); start = *pos; while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) advance(p, pos); texiwarn(p, "unexpected \"end\": %.*s", (int)(*pos - start), &BUF(p)[start]); advanceeoln(p, pos, 1); } static void doenumerate(struct texi *p, enum texicmd cmd, size_t *pos) { enum texilist sv = p->list; advanceeoln(p, pos, 1); p->list = TEXILIST_NOITEM; texivspace(p); teximacro(p, "Bl -enum -compact"); parseto(p, pos, texitoks[cmd].tok); p->seenvs = 0; teximacro(p, "El"); texivspace(p); p->list = sv; } static void doitemize(struct texi *p, enum texicmd cmd, size_t *pos) { enum texilist sv = p->list; advanceeoln(p, pos, 1); p->list = TEXILIST_NOITEM; texivspace(p); teximacro(p, "Bl -bullet -compact"); parseto(p, pos, texitoks[cmd].tok); p->seenvs = 0; teximacro(p, "El"); texivspace(p); p->list = sv; } static void doignbracket(struct texi *p, enum texicmd cmd, size_t *pos) { p->ign++; parsebracket(p, pos, 0); p->ign--; } static void doindex(struct texi *p, enum texicmd cmd, size_t *pos) { size_t start, end, len; while (*pos < BUFSZ(p) && isws(BUF(p)[*pos])) advance(p, pos); start = *pos; while (*pos < BUFSZ(p) && '\n' != BUF(p)[*pos]) advance(p, pos); if (*pos == BUFSZ(p)) { texiwarn(p, "unexpected EOF"); return; } advance(p, pos); end = *pos; if (0 == (len = end - start)) { texiwarn(p, "zero-length index"); return; } /* Two-letter combos we can look up verbatim. */ if (7 == texitoks[cmd].len) { texindex(p, texitoks[cmd].tok, 2, &BUF(p)[start], len); return; } assert(6 == texitoks[cmd].len); /* Newer one-letter combos need to be mapped. */ switch (texitoks[cmd].tok[0]) { case ('c'): texindex(p, "cp", 2, &BUF(p)[start], len); break; case ('v'): texindex(p, "vr", 2, &BUF(p)[start], len); break; case ('f'): texindex(p, "fn", 2, &BUF(p)[start], len); break; case ('t'): texindex(p, "tp", 2, &BUF(p)[start], len); break; default: abort(); } } static void doignline(struct texi *p, enum texicmd cmd, size_t *pos) { advanceeoln(p, pos, 1); } /* * Parse colon-separated directories from "cp" (if not NULL) and returns * the array of pointers. * Prepends "base" to the array, if found. * This does NOT sanitise the directories! */ static char ** parsedirs(struct texi *p, const char *base, const char *cp, size_t *sz) { char *tok, *str, *tofree; const char *cpp; size_t i = 0; char **dirs; /* Count up our expected arguments. */ *sz = NULL != base; if (NULL != (cpp = cp)) for ((*sz)++; NULL != (cpp = strchr(cpp, ':')); (*sz)++) cpp++; if (0 == *sz) return(NULL); if (NULL == (dirs = calloc(*sz, sizeof(char *)))) texiabort(p, NULL); if (NULL != base && NULL == (dirs[i++] = strdup(base))) texiabort(p, NULL); if (NULL == cp) return(dirs); if (NULL == (tofree = tok = str = strdup(cp))) texiabort(p, NULL); for ( ; NULL != (tok = strsep(&str, ":")); i++) if (NULL == (dirs[i] = strdup(tok))) texiabort(p, NULL); free(tofree); return(dirs); } int main(int argc, char *argv[]) { struct texi texi; int c; char *dirpath, *dir, *ccp; const char *progname, *Idir, *cp; progname = strrchr(argv[0], '/'); if (progname == NULL) progname = argv[0]; else ++progname; memset(&texi, 0, sizeof(struct texi)); texi.ign = 1; texi.outfile = stdout; texi.seenvs = -1; Idir = NULL; while (-1 != (c = getopt(argc, argv, "C:I:"))) switch (c) { case ('C'): texi.chapters = optarg; break; case ('I'): Idir = optarg; break; default: goto usage; } argv += optind; argc -= optind; /* Add the default Texinfo indices. */ texindex_add(&texi, "cp", 2); texindex_add(&texi, "vr", 2); texindex_add(&texi, "tp", 2); texindex_add(&texi, "fn", 2); if (argc > 0) { if (NULL == (dirpath = strdup(argv[0]))) texiabort(&texi, NULL); if (NULL == (dir = dirname(dirpath))) texiabort(&texi, NULL); if (NULL != (cp = strrchr(argv[0], '/'))) texi.title = strdup(cp + 1); else texi.title = strdup(argv[0]); if (NULL == texi.title) texiabort(&texi, NULL); else if (NULL != (ccp = strchr(texi.title, '.'))) *ccp = '\0'; texi.dirs = parsedirs(&texi, dir, Idir, &texi.dirsz); free(dirpath); parsefile(&texi, argv[0], 1); } else { texi.title = strdup("Unknown Manual"); texi.dirs = parsedirs(&texi, NULL, Idir, &texi.dirsz); parsestdin(&texi); } texiexit(&texi); exit(EXIT_SUCCESS); usage: fprintf(stderr, "usage: %s [-Cdir] [-Idirs] [file]\n", progname); return(EXIT_FAILURE); }