/* cmds.c -- Texinfo commands. $Id: cmds.c,v 1.69 2002/02/09 00:54:51 karl Exp $ Copyright (C) 1998, 99, 2000, 01 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "system.h" #include "cmds.h" #include "defun.h" #include "files.h" #include "footnote.h" #include "insertion.h" #include "lang.h" #include "macro.h" #include "makeinfo.h" #include "node.h" #include "sectioning.h" #include "toc.h" #include "xml.h" #ifdef TM_IN_SYS_TIME #include #else #include #endif void insert_self (), insert_space (), cm_ignore_line (), cm_ignore_arg (); void cm_TeX (), cm_acronym (), cm_asterisk (), cm_b (), cm_bullet (), cm_cite (), cm_code (), cm_copyright (), cm_ctrl (), cm_dfn (), cm_dircategory (), cm_direntry (), cm_dmn (), cm_dots (), cm_emph (), cm_enddots (), cm_i (), cm_image (), cm_kbd (), cm_key (), cm_no_op (), cm_novalidate (), cm_not_fixed_width (), cm_r (), cm_strong (), cm_var (), cm_sc (), cm_w (), cm_email (), cm_url (), cm_verb (), cm_documentdescription (); void cm_anchor (), cm_node (), cm_menu (), cm_xref (), cm_ftable (), cm_vtable (), cm_pxref (), cm_inforef (), cm_uref (), cm_email (), cm_quotation (), cm_display (), cm_smalldisplay (), cm_itemize (), cm_enumerate (), cm_tab (), cm_table (), cm_itemx (), cm_noindent (), cm_setfilename (), cm_br (), cm_sp (), cm_page (), cm_group (), cm_center (), cm_ref (), cm_include (), cm_bye (), cm_item (), cm_end (), cm_kindex (), cm_cindex (), cm_findex (), cm_pindex (), cm_vindex (), cm_tindex (), cm_synindex (), cm_printindex (), cm_minus (), cm_example (), cm_smallexample (), cm_smalllisp (), cm_lisp (), cm_format (), cm_smallformat (), cm_exdent (), cm_defindex (), cm_defcodeindex (), cm_result (), cm_expansion (), cm_equiv (), cm_print (), cm_error (), cm_point (), cm_today (), cm_flushleft (), cm_flushright (), cm_finalout (), cm_cartouche (), cm_detailmenu (), cm_multitable (), cm_settitle (), cm_titlefont (), cm_tt (), cm_verbatim (), cm_verbatiminclude (), cm_titlepage (); /* Conditionals. */ void cm_set (), cm_clear (), cm_ifset (), cm_ifclear (); void cm_value (), cm_ifeq (); /* Options. */ static void cm_paragraphindent (), cm_exampleindent (); /* Internals. */ static void cm_obsolete (); /* A random string. */ static const char small_tag[] = "small"; /* The dispatch table. */ COMMAND command_table[] = { { "\t", insert_space, NO_BRACE_ARGS }, { "\n", insert_space, NO_BRACE_ARGS }, { " ", insert_space, NO_BRACE_ARGS }, { "!", insert_self, NO_BRACE_ARGS }, { "\"", cm_accent_umlaut, MAYBE_BRACE_ARGS }, { "'", cm_accent_acute, MAYBE_BRACE_ARGS }, { "*", cm_asterisk, NO_BRACE_ARGS }, { ",", cm_accent_cedilla, MAYBE_BRACE_ARGS }, { "-", cm_no_op, NO_BRACE_ARGS }, { ".", insert_self, NO_BRACE_ARGS }, { ":", cm_no_op, NO_BRACE_ARGS }, { "=", cm_accent, MAYBE_BRACE_ARGS }, { "?", insert_self, NO_BRACE_ARGS }, { "@", insert_self, NO_BRACE_ARGS }, { "^", cm_accent_hat, MAYBE_BRACE_ARGS }, { "`", cm_accent_grave, MAYBE_BRACE_ARGS }, { "{", insert_self, NO_BRACE_ARGS }, { "|", cm_no_op, NO_BRACE_ARGS }, { "}", insert_self, NO_BRACE_ARGS }, { "~", cm_accent_tilde, MAYBE_BRACE_ARGS }, { "AA", cm_special_char, BRACE_ARGS }, { "AE", cm_special_char, BRACE_ARGS }, { "H", cm_accent, MAYBE_BRACE_ARGS }, { "L", cm_special_char, BRACE_ARGS }, { "O", cm_special_char, BRACE_ARGS }, { "OE", cm_special_char, BRACE_ARGS }, { "TeX", cm_TeX, BRACE_ARGS }, { "aa", cm_special_char, BRACE_ARGS }, { "acronym", cm_acronym, BRACE_ARGS }, { "ae", cm_special_char, BRACE_ARGS }, { "afivepaper", cm_ignore_line, NO_BRACE_ARGS }, { "afourlatex", cm_ignore_line, NO_BRACE_ARGS }, { "afourpaper", cm_ignore_line, NO_BRACE_ARGS }, { "afourwide", cm_ignore_line, NO_BRACE_ARGS }, { "alias", cm_alias, NO_BRACE_ARGS }, { "anchor", cm_anchor, BRACE_ARGS }, { "appendix", cm_appendix, NO_BRACE_ARGS }, { "appendixsection", cm_appendixsec, NO_BRACE_ARGS }, { "appendixsec", cm_appendixsec, NO_BRACE_ARGS }, { "appendixsubsec", cm_appendixsubsec, NO_BRACE_ARGS }, { "appendixsubsubsec", cm_appendixsubsubsec, NO_BRACE_ARGS }, { "asis", cm_no_op, BRACE_ARGS }, { "b", cm_b, BRACE_ARGS }, { "bullet", cm_bullet, BRACE_ARGS }, { "bye", cm_bye, NO_BRACE_ARGS }, { "c", cm_ignore_line, NO_BRACE_ARGS }, { "cartouche", cm_cartouche, NO_BRACE_ARGS }, { "center", cm_center, NO_BRACE_ARGS }, { "centerchap", cm_unnumbered, NO_BRACE_ARGS }, { "chapheading", cm_chapheading, NO_BRACE_ARGS }, { "chapter", cm_chapter, NO_BRACE_ARGS }, { "cindex", cm_cindex, NO_BRACE_ARGS }, { "cite", cm_cite, BRACE_ARGS }, { "clear", cm_clear, NO_BRACE_ARGS }, { "code", cm_code, BRACE_ARGS }, { "command", cm_code, BRACE_ARGS }, { "comment", cm_ignore_line, NO_BRACE_ARGS }, { "contents", cm_contents, NO_BRACE_ARGS }, { "copyright", cm_copyright, BRACE_ARGS }, { "ctrl", cm_obsolete, BRACE_ARGS }, { "defcodeindex", cm_defcodeindex, NO_BRACE_ARGS }, { "defcv", cm_defun, NO_BRACE_ARGS }, { "defcvx", cm_defun, NO_BRACE_ARGS }, { "deffn", cm_defun, NO_BRACE_ARGS }, { "deffnx", cm_defun, NO_BRACE_ARGS }, { "defindex", cm_defindex, NO_BRACE_ARGS }, { "definfoenclose", cm_definfoenclose, NO_BRACE_ARGS }, { "defivar", cm_defun, NO_BRACE_ARGS }, { "defivarx", cm_defun, NO_BRACE_ARGS }, { "defmac", cm_defun, NO_BRACE_ARGS }, { "defmacx", cm_defun, NO_BRACE_ARGS }, { "defmethod", cm_defun, NO_BRACE_ARGS }, { "defmethodx", cm_defun, NO_BRACE_ARGS }, { "defop", cm_defun, NO_BRACE_ARGS }, { "defopt", cm_defun, NO_BRACE_ARGS }, { "defoptx", cm_defun, NO_BRACE_ARGS }, { "defopx", cm_defun, NO_BRACE_ARGS }, { "defspec", cm_defun, NO_BRACE_ARGS }, { "defspecx", cm_defun, NO_BRACE_ARGS }, { "deftp", cm_defun, NO_BRACE_ARGS }, { "deftpx", cm_defun, NO_BRACE_ARGS }, { "deftypefn", cm_defun, NO_BRACE_ARGS }, { "deftypefnx", cm_defun, NO_BRACE_ARGS }, { "deftypefun", cm_defun, NO_BRACE_ARGS }, { "deftypefunx", cm_defun, NO_BRACE_ARGS }, { "deftypeivar", cm_defun, NO_BRACE_ARGS }, { "deftypeivarx", cm_defun, NO_BRACE_ARGS }, { "deftypemethod", cm_defun, NO_BRACE_ARGS }, { "deftypemethodx", cm_defun, NO_BRACE_ARGS }, { "deftypeop", cm_defun, NO_BRACE_ARGS }, { "deftypeopx", cm_defun, NO_BRACE_ARGS }, { "deftypevar", cm_defun, NO_BRACE_ARGS }, { "deftypevarx", cm_defun, NO_BRACE_ARGS }, { "deftypevr", cm_defun, NO_BRACE_ARGS }, { "deftypevrx", cm_defun, NO_BRACE_ARGS }, { "defun", cm_defun, NO_BRACE_ARGS }, { "defunx", cm_defun, NO_BRACE_ARGS }, { "defvar", cm_defun, NO_BRACE_ARGS }, { "defvarx", cm_defun, NO_BRACE_ARGS }, { "defvr", cm_defun, NO_BRACE_ARGS }, { "defvrx", cm_defun, NO_BRACE_ARGS }, { "detailmenu", cm_detailmenu, NO_BRACE_ARGS }, { "dfn", cm_dfn, BRACE_ARGS }, { "dircategory", cm_dircategory, NO_BRACE_ARGS }, { "direntry", cm_direntry, NO_BRACE_ARGS }, { "display", cm_display, NO_BRACE_ARGS }, { "dmn", cm_no_op, BRACE_ARGS }, { "documentdescription", cm_documentdescription, NO_BRACE_ARGS }, { "documentencoding", cm_documentencoding, NO_BRACE_ARGS }, { "documentlanguage", cm_documentlanguage, NO_BRACE_ARGS }, { "dotaccent", cm_accent, MAYBE_BRACE_ARGS }, { "dotless", cm_dotless, BRACE_ARGS }, { "dots", cm_dots, BRACE_ARGS }, { "email", cm_email, BRACE_ARGS }, { "emph", cm_emph, BRACE_ARGS }, { "end", cm_end, NO_BRACE_ARGS }, { "enddots", cm_enddots, BRACE_ARGS }, { "enumerate", cm_enumerate, NO_BRACE_ARGS }, { "env", cm_code, BRACE_ARGS }, { "equiv", cm_equiv, BRACE_ARGS }, { "error", cm_error, BRACE_ARGS }, { "example", cm_example, NO_BRACE_ARGS }, { "exampleindent", cm_exampleindent, NO_BRACE_ARGS }, { "exclamdown", cm_special_char, BRACE_ARGS }, { "exdent", cm_exdent, NO_BRACE_ARGS }, { "expansion", cm_expansion, BRACE_ARGS }, { "file", cm_code, BRACE_ARGS }, { "finalout", cm_no_op, NO_BRACE_ARGS }, { "findex", cm_findex, NO_BRACE_ARGS }, { "flushleft", cm_flushleft, NO_BRACE_ARGS }, { "flushright", cm_flushright, NO_BRACE_ARGS }, { "footnote", cm_footnote, NO_BRACE_ARGS}, /* self-arg eater */ { "footnotestyle", cm_footnotestyle, NO_BRACE_ARGS }, { "format", cm_format, NO_BRACE_ARGS }, { "ftable", cm_ftable, NO_BRACE_ARGS }, { "group", cm_group, NO_BRACE_ARGS }, { "heading", cm_heading, NO_BRACE_ARGS }, { "headings", cm_ignore_line, NO_BRACE_ARGS }, { "html", cm_html, NO_BRACE_ARGS }, { "hyphenation", cm_ignore_arg, BRACE_ARGS }, { "i", cm_i, BRACE_ARGS }, { "ifclear", cm_ifclear, NO_BRACE_ARGS }, { "ifeq", cm_ifeq, NO_BRACE_ARGS }, { "ifhtml", cm_ifhtml, NO_BRACE_ARGS }, { "ifinfo", cm_ifinfo, NO_BRACE_ARGS }, { "ifnothtml", cm_ifnothtml, NO_BRACE_ARGS }, { "ifnotinfo", cm_ifnotinfo, NO_BRACE_ARGS }, { "ifnottex", cm_ifnottex, NO_BRACE_ARGS }, { "ifset", cm_ifset, NO_BRACE_ARGS }, { "iftex", cm_iftex, NO_BRACE_ARGS }, { "ignore", command_name_condition, NO_BRACE_ARGS }, { "image", cm_image, BRACE_ARGS }, { "include", cm_include, NO_BRACE_ARGS }, { "inforef", cm_inforef, BRACE_ARGS }, { "item", cm_item, NO_BRACE_ARGS }, { "itemize", cm_itemize, NO_BRACE_ARGS }, { "itemx", cm_itemx, NO_BRACE_ARGS }, { "kbd", cm_kbd, BRACE_ARGS }, { "kbdinputstyle", cm_ignore_line, NO_BRACE_ARGS }, { "key", cm_key, BRACE_ARGS }, { "kindex", cm_kindex, NO_BRACE_ARGS }, { "l", cm_special_char, BRACE_ARGS }, { "lisp", cm_lisp, NO_BRACE_ARGS }, { "lowersections", cm_lowersections, NO_BRACE_ARGS }, { "macro", cm_macro, NO_BRACE_ARGS }, { "majorheading", cm_majorheading, NO_BRACE_ARGS }, { "math", cm_no_op, BRACE_ARGS }, { "menu", cm_menu, NO_BRACE_ARGS }, { "minus", cm_minus, BRACE_ARGS }, { "multitable", cm_multitable, NO_BRACE_ARGS }, { "need", cm_ignore_line, NO_BRACE_ARGS }, { "node", cm_node, NO_BRACE_ARGS }, { "noindent", cm_noindent, NO_BRACE_ARGS }, { "noindent", cm_novalidate, NO_BRACE_ARGS }, { "nwnode", cm_node, NO_BRACE_ARGS }, { "o", cm_special_char, BRACE_ARGS }, { "oe", cm_special_char, BRACE_ARGS }, { "option", cm_code, BRACE_ARGS }, { "page", cm_no_op, NO_BRACE_ARGS }, { "pagesizes", cm_ignore_line, NO_BRACE_ARGS }, { "paragraphindent", cm_paragraphindent, NO_BRACE_ARGS }, { "pindex", cm_pindex, NO_BRACE_ARGS }, { "point", cm_point, BRACE_ARGS }, { "pounds", cm_special_char, BRACE_ARGS }, { "print", cm_print, BRACE_ARGS }, { "printindex", cm_printindex, NO_BRACE_ARGS }, { "pxref", cm_pxref, BRACE_ARGS }, { "questiondown", cm_special_char, BRACE_ARGS }, { "quotation", cm_quotation, NO_BRACE_ARGS }, { "r", cm_r, BRACE_ARGS }, { "raisesections", cm_raisesections, NO_BRACE_ARGS }, { "ref", cm_ref, BRACE_ARGS }, { "refill", cm_no_op, NO_BRACE_ARGS }, { "result", cm_result, BRACE_ARGS }, { "ringaccent", cm_accent, MAYBE_BRACE_ARGS }, { "rmacro", cm_rmacro, NO_BRACE_ARGS }, { "samp", cm_code, BRACE_ARGS }, { "sc", cm_sc, BRACE_ARGS }, { "section", cm_section, NO_BRACE_ARGS }, { "set", cm_set, NO_BRACE_ARGS }, { "setchapternewpage", cm_ignore_line, NO_BRACE_ARGS }, { "setchapterstyle", cm_obsolete, NO_BRACE_ARGS }, { "setcontentsaftertitlepage", cm_no_op, NO_BRACE_ARGS }, { "setfilename", cm_setfilename, NO_BRACE_ARGS }, { "setshortcontentsaftertitlepage", cm_no_op, NO_BRACE_ARGS }, { "settitle", cm_settitle, NO_BRACE_ARGS }, { "shortcontents", cm_shortcontents, NO_BRACE_ARGS }, { "shorttitlepage", cm_ignore_line, NO_BRACE_ARGS }, { "smallbook", cm_ignore_line, NO_BRACE_ARGS }, { "smalldisplay", cm_smalldisplay, NO_BRACE_ARGS }, { "smallexample", cm_smallexample, NO_BRACE_ARGS }, { "smallformat", cm_smallformat, NO_BRACE_ARGS }, { "smalllisp", cm_smalllisp, NO_BRACE_ARGS }, { "sp", cm_sp, NO_BRACE_ARGS }, { "ss", cm_special_char, BRACE_ARGS }, { "strong", cm_strong, BRACE_ARGS }, { "subheading", cm_subheading, NO_BRACE_ARGS }, { "subsection", cm_subsection, NO_BRACE_ARGS }, { "subsubheading", cm_subsubheading, NO_BRACE_ARGS }, { "subsubsection", cm_subsubsection, NO_BRACE_ARGS }, { "summarycontents", cm_shortcontents, NO_BRACE_ARGS }, { "syncodeindex", cm_synindex, NO_BRACE_ARGS }, { "synindex", cm_synindex, NO_BRACE_ARGS }, { "t", cm_tt, BRACE_ARGS }, { "tab", cm_tab, NO_BRACE_ARGS }, { "table", cm_table, NO_BRACE_ARGS }, { "tex", cm_tex, NO_BRACE_ARGS }, { "tieaccent", cm_accent, MAYBE_BRACE_ARGS }, { "tindex", cm_tindex, NO_BRACE_ARGS }, { "titlefont", cm_titlefont, BRACE_ARGS }, { "titlepage", command_name_condition, NO_BRACE_ARGS }, { "today", cm_today, BRACE_ARGS }, { "top", cm_top, NO_BRACE_ARGS }, { "u", cm_accent, MAYBE_BRACE_ARGS }, { "ubaraccent", cm_accent, MAYBE_BRACE_ARGS }, { "udotaccent", cm_accent, MAYBE_BRACE_ARGS }, { "unmacro", cm_unmacro, NO_BRACE_ARGS }, { "unnumbered", cm_unnumbered, NO_BRACE_ARGS }, { "unnumberedsec", cm_unnumberedsec, NO_BRACE_ARGS }, { "unnumberedsubsec", cm_unnumberedsubsec, NO_BRACE_ARGS }, { "unnumberedsubsubsec", cm_unnumberedsubsubsec, NO_BRACE_ARGS }, { "uref", cm_uref, BRACE_ARGS }, { "url", cm_url, BRACE_ARGS }, { "v", cm_accent, MAYBE_BRACE_ARGS }, { "value", cm_value, BRACE_ARGS }, { "var", cm_var, BRACE_ARGS }, { "verb", cm_verb, NO_BRACE_ARGS }, { "verbatim", cm_verbatim, NO_BRACE_ARGS }, { "verbatiminclude", cm_verbatiminclude, NO_BRACE_ARGS }, { "vindex", cm_vindex, NO_BRACE_ARGS }, { "vtable", cm_vtable, NO_BRACE_ARGS }, { "w", cm_w, BRACE_ARGS }, { "xref", cm_xref, BRACE_ARGS }, /* Deprecated commands. These used to be for italics. */ { "iappendix", cm_ideprecated, NO_BRACE_ARGS }, { "iappendixsec", cm_ideprecated, NO_BRACE_ARGS }, { "iappendixsection", cm_ideprecated, NO_BRACE_ARGS }, { "iappendixsubsec", cm_ideprecated, NO_BRACE_ARGS }, { "iappendixsubsubsec", cm_ideprecated, NO_BRACE_ARGS }, { "ichapter", cm_ideprecated, NO_BRACE_ARGS }, { "isection", cm_ideprecated, NO_BRACE_ARGS }, { "isubsection", cm_ideprecated, NO_BRACE_ARGS }, { "isubsubsection", cm_ideprecated, NO_BRACE_ARGS }, { "iunnumbered", cm_ideprecated, NO_BRACE_ARGS }, { "iunnumberedsec", cm_ideprecated, NO_BRACE_ARGS }, { "iunnumberedsubsec", cm_ideprecated, NO_BRACE_ARGS }, { "iunnumberedsubsubsec", cm_ideprecated, NO_BRACE_ARGS }, /* Now @include does what this was used to. */ { "infoinclude", cm_obsolete, NO_BRACE_ARGS }, { "titlespec", cm_obsolete, NO_BRACE_ARGS }, { NULL, NULL, NO_BRACE_ARGS } }; /* The bulk of the Texinfo commands. */ /* Commands which insert their own names. */ void insert_self (arg) int arg; { if (arg == START) add_word (command); } void insert_space (arg) int arg; { if (arg == START) { if (xml && !docbook) xml_insert_entity ("space"); else add_char (' '); } } /* Force a line break in the output. */ void cm_asterisk () { if (html) add_word ("
"); else if (xml && !docbook) xml_insert_entity ("linebreak"); else if (docbook) xml_asterisk (); else { close_single_paragraph (); cm_noindent (); } } /* Insert ellipsis. */ void cm_dots (arg) int arg; { if (arg == START) { if (xml && !docbook) xml_insert_entity ("dots"); else if (docbook) xml_insert_entity ("hellip"); else add_word (html ? "..." : "..."); } } /* Insert ellipsis for sentence end. */ void cm_enddots (arg) int arg; { if (arg == START) { if (xml && !docbook) xml_insert_entity ("enddots"); else if (docbook) { xml_insert_entity ("hellip"); add_char ('.'); } else add_word (html ? "...." : "...."); } } void cm_bullet (arg) int arg; { if (arg == START) { if (html) add_word ("•"); else if (xml && !docbook) xml_insert_entity ("bullet"); else if (docbook) xml_insert_entity ("bull"); else add_char ('*'); } } void cm_minus (arg) int arg; { if (arg == START) { if (xml) xml_insert_entity ("minus"); else add_char ('-'); } } /* Insert "TeX". */ void cm_TeX (arg) int arg; { if (arg == START) { if (xml && ! docbook) xml_insert_entity ("tex"); else add_word ("TeX"); } } /* Copyright symbol. */ void cm_copyright (arg) int arg; { if (arg == START) { if (html) add_word ("©"); else if (xml && !docbook) xml_insert_entity ("copyright"); else if (docbook) xml_insert_entity ("copy"); else add_word ("(C)"); } } void cm_today (arg) int arg; { static char *months[12] = { N_("January"), N_("February"), N_("March"), N_("April"), N_("May"), N_("June"), N_("July"), N_("August"), N_("September"), N_("October"), N_("November"), N_("December") }; if (arg == START) { time_t timer = time (0); struct tm *ts = localtime (&timer); add_word_args ("%d %s %d", ts->tm_mday, _(months[ts->tm_mon]), ts->tm_year + 1900); } } void cm_acronym (arg) int arg; { if (html) insert_html_tag (arg, small_tag); else if (xml) xml_insert_element (ACRONYM, arg); } void cm_tt (arg) int arg; { /* @t{} is a no-op in Info. */ if (html) insert_html_tag (arg, "tt"); else if (xml) xml_insert_element (TT, arg); } void cm_code (arg) int arg; { if (xml) xml_insert_element (CODE, arg); else { extern int printing_index; if (arg == START) { in_fixed_width_font++; if (html) insert_html_tag (arg, "code"); else if (!printing_index) add_char ('`'); } else if (html) insert_html_tag (arg, "code"); else { if (!printing_index) add_meta_char ('\''); } } } void cm_kbd (arg) int arg; { if (xml) xml_insert_element (KBD, arg); else if (html) { /* Seems like we should increment in_fixed_width_font for Info format too, but then the quote-omitting special case gets confused. Punt. */ if (arg == START) in_fixed_width_font++; insert_html_tag (arg, "kbd"); } else { /* People use @kbd in an example to get the "user input" font. We don't want quotes in that case. */ if (!in_fixed_width_font) cm_code (arg); } } void cm_url (arg, start, end) { if (xml) xml_insert_element (URL, arg); else if (html) { if (arg == START) add_word ("<"); else add_word (">"); } else if (arg == START) add_word ("<"); else add_word (">"); } void cm_key (arg) int arg; { if (xml) xml_insert_element (KEY, arg); else if (html) add_word (arg == START ? "<" : ">"); else add_char (arg == START ? '<' : '>'); } /* Handle a command that switches to a non-fixed-width font. */ void not_fixed_width (arg) int arg; { if (arg == START) in_fixed_width_font = 0; } /* @var in makeinfo just uppercases the text. */ void cm_var (arg, start_pos, end_pos) int arg, start_pos, end_pos; { if (xml) xml_insert_element (VAR, arg); else { not_fixed_width (arg); if (html) insert_html_tag (arg, "var"); else if (arg == END) { while (start_pos < end_pos) { unsigned char c = output_paragraph[start_pos]; if (strchr ("[](),", c)) warning (_("unlikely character %c in @var"), c); output_paragraph[start_pos] = coerce_to_upper (c); start_pos++; } } } } void cm_sc (arg, start_pos, end_pos) int arg, start_pos, end_pos; { if (xml) xml_insert_element (SC, arg); else { not_fixed_width (arg); if (arg == START) { if (html) insert_html_tag (arg, small_tag); } else { int all_upper; if (html) start_pos += sizeof (small_tag) + 2 - 1; /* skip */ /* Avoid the warning below if there's no text inside @sc{}, or when processing menus under --no-headers. */ all_upper = start_pos < end_pos; while (start_pos < end_pos) { unsigned char c = output_paragraph[start_pos]; if (!isupper (c)) all_upper = 0; output_paragraph[start_pos] = coerce_to_upper (c); start_pos++; } if (all_upper) warning (_("@sc argument all uppercase, thus no effect")); if (html) insert_html_tag (arg, small_tag); } } } void cm_dfn (arg, position) int arg, position; { if (xml) xml_insert_element (DFN, arg); else { if (html) insert_html_tag (arg, "dfn"); else if (arg == START) add_char ('"'); else add_meta_char ('"'); } } void cm_emph (arg) int arg; { if (xml) xml_insert_element (EMPH, arg); else if (html) insert_html_tag (arg, "em"); else add_char ('_'); } void cm_verb (arg) int arg; { int character; int delimiter; int seen_end = 0; in_fixed_width_font++; /* are these necessary ? */ last_char_was_newline = 0; if (html) add_word ("
");

  if (input_text_offset < input_text_length)
    {
      character = curchar ();
      if (character == '{')
	input_text_offset++;
      else
	line_error (_("`{' expected, but saw `%c'"), character);
    }
    
  if (input_text_offset < input_text_length)
    {
      delimiter = curchar ();
      input_text_offset++;
    }

  while (input_text_offset < input_text_length)
    {
      character = curchar ();

      if (character == '\n')
        line_number++;
      /*
	Assume no newlines in END_VERBATIM
      */
      else if (character == delimiter)
	{
	  seen_end = 1;
	  input_text_offset++;
	  break;
	}

      add_char (character);
      input_text_offset++;
    }

  if (!seen_end)
    warning (_("end of file inside verb block"));
  
  if (input_text_offset < input_text_length)
    {
      character = curchar ();
      if (character == '}')
	input_text_offset++;
      else
	line_error (_("`}' expected, but saw `%c'"), character);
    }

  if (html)
    add_word ("
"); } void cm_strong (arg, position) int arg, position; { if (xml) xml_insert_element (STRONG, arg); else if (html) insert_html_tag (arg, "strong"); else add_char ('*'); } void cm_cite (arg, position) int arg, position; { if (xml) xml_insert_element (CITE, arg); else if (html) insert_html_tag (arg, "cite"); else { if (arg == START) add_char ('`'); else add_char ('\''); } } /* No highlighting, but argument switches fonts. */ void cm_not_fixed_width (arg, start, end) int arg, start, end; { if (xml) xml_insert_element (NOTFIXEDWIDTH, arg); not_fixed_width (arg); } void cm_i (arg) int arg; { if (xml) xml_insert_element (I, arg); else if (html) insert_html_tag (arg, "i"); else not_fixed_width (arg); } void cm_b (arg) int arg; { if (xml) xml_insert_element (B, arg); else if (html) insert_html_tag (arg, "b"); else not_fixed_width (arg); } void cm_r (arg) int arg; { if (xml) xml_insert_element (R, arg); else { extern int printing_index; /* People use @r{} in index entries like this: @findex foo@r{, some text} This is supposed to produce output as if the entry were saying "@code{foo}, some text", since the "fn" index is typeset as @code. The following attempts to do the same in HTML. Note that this relies on the fact that only @code bumps up the variable in_fixed_width_font while processing index entries in HTML mode. */ if (html && printing_index) { int level = in_fixed_width_font; while (level--) insert_html_tag (arg == START ? END : START, "code"); } not_fixed_width (arg); } } void cm_titlefont (arg) int arg; { if (xml) xml_insert_element (TITLEFONT, arg); else not_fixed_width (arg); } /* Various commands are no-op's. */ void cm_no_op () { } /* For proofing single chapters, etc. */ void cm_novalidate () { validating = 0; } /* Prevent the argument from being split across two lines. */ void cm_w (arg, start, end) int arg, start, end; { if (arg == START) non_splitting_words++; else non_splitting_words--; } /* Explain that this command is obsolete, thus the user shouldn't do anything with it. */ static void cm_obsolete (arg, start, end) int arg, start, end; { if (arg == START) warning (_("%c%s is obsolete"), COMMAND_PREFIX, command); } /* This says to inhibit the indentation of the next paragraph, but not of following paragraphs. */ void cm_noindent () { if (!inhibit_paragraph_indentation) inhibit_paragraph_indentation = -1; } /* I don't know exactly what to do with this. Should I allow someone to switch filenames in the middle of output? Since the file could be partially written, this doesn't seem to make sense. Another option: ignore it, since they don't *really* want to switch files. Finally, complain, or at least warn. It doesn't really matter, anyway, since this doesn't get executed. */ void cm_setfilename () { char *filename; get_rest_of_line (1, &filename); /* warning ("`@%s %s' encountered and ignored", command, filename); */ if (xml) add_word_args ("%s", filename); free (filename); } void cm_settitle () { if (xml) { xml_begin_document (); xml_insert_element (SETTITLE, START); get_rest_of_line (0, &title); execute_string ("%s", title); xml_insert_element (SETTITLE, END); } else get_rest_of_line (0, &title); } /* Ignore argument in braces. */ void cm_ignore_arg (arg, start_pos, end_pos) int arg, start_pos, end_pos; { if (arg == END) output_paragraph_offset = start_pos; } /* Ignore argument on rest of line. */ void cm_ignore_line () { discard_until ("\n"); } /* Insert the number of blank lines passed as argument. */ void cm_sp () { int lines; char *line; get_rest_of_line (1, &line); if (sscanf (line, "%d", &lines) != 1 || lines <= 0) line_error (_("@sp requires a positive numeric argument, not `%s'"), line); else { if (xml) { xml_insert_element_with_attribute (SP, START, "lines=\"%s\"", line); /* insert_string (line);*/ xml_insert_element (SP, END); } else { /* Must disable filling since otherwise multiple newlines is like multiple spaces. Must close paragraph since that's what the manual says and that's what TeX does. */ int save_filling_enabled = filling_enabled; filling_enabled = 0; close_paragraph (); if (lines && html && !executing_string) html_output_head (); while (lines--) { if (html) insert_string ("

\n"); else add_char ('\n'); } filling_enabled = save_filling_enabled; } } free (line); } /* @dircategory LINE outputs INFO-DIR-SECTION LINE, unless --no-headers. */ void cm_dircategory () { char *line; if (html || docbook) cm_ignore_line (); else if (xml) { xml_insert_element (DIRCATEGORY, START); get_rest_of_line (1, &line); insert_string (line); free (line); xml_insert_element (DIRCATEGORY, END); } else { get_rest_of_line (1, &line); if (!no_headers && !html) { kill_self_indent (-1); /* make sure there's no indentation */ insert_string ("INFO-DIR-SECTION "); insert_string (line); insert ('\n'); } free (line); } } /* Start a new line with just this text on it. Then center the line of text. */ void cm_center () { if (xml) { unsigned char *line; xml_insert_element (CENTER, START); get_rest_of_line (0, (char **)&line); execute_string ("%s", (char *)line); free (line); xml_insert_element (CENTER, END); } else { int i, start, length; unsigned char *line; int save_indented_fill = indented_fill; int save_filling_enabled = filling_enabled; int fudge_factor = 1; filling_enabled = indented_fill = 0; cm_noindent (); start = output_paragraph_offset; if (html) add_word ("

"); inhibit_output_flushing (); get_rest_of_line (0, (char **)&line); execute_string ("%s", (char *)line); free (line); uninhibit_output_flushing (); if (html) add_word ("
"); else { i = output_paragraph_offset - 1; while (i > (start - 1) && output_paragraph[i] == '\n') i--; output_paragraph_offset = ++i; length = output_paragraph_offset - start; if (length < (fill_column - fudge_factor)) { line = xmalloc (1 + length); memcpy (line, (char *)(output_paragraph + start), length); i = (fill_column - fudge_factor - length) / 2; output_paragraph_offset = start; while (i--) insert (' '); for (i = 0; i < length; i++) insert (line[i]); free (line); } } insert ('\n'); filling_enabled = save_filling_enabled; indented_fill = save_indented_fill; } } /* Show what an expression returns. */ void cm_result (arg) int arg; { if (arg == END) add_word (html ? "=>" : "=>"); } /* What an expression expands to. */ void cm_expansion (arg) int arg; { if (arg == END) add_word (html ? "==>" : "==>"); } /* Indicates two expressions are equivalent. */ void cm_equiv (arg) int arg; { if (arg == END) add_word ("=="); } /* What an expression may print. */ void cm_print (arg) int arg; { if (arg == END) add_word ("-|"); } /* An error signaled. */ void cm_error (arg) int arg; { if (arg == END) add_word (html ? "error-->" : "error-->"); } /* The location of point in an example of a buffer. */ void cm_point (arg) int arg; { if (arg == END) add_word ("-!-"); } /* @exdent: Start a new line with just this text on it. The text is outdented one level if possible. */ void cm_exdent () { char *line; int save_indent = current_indent; int save_in_fixed_width_font = in_fixed_width_font; /* Read argument */ get_rest_of_line (0, &line); /* Exdent the output. Actually this may be a no-op. */ if (current_indent) current_indent -= default_indentation_increment; /* @exdent arg is supposed to be in roman. */ in_fixed_width_font = 0; /* The preceding newline already inserted the `current_indent'. Remove one level's worth. */ kill_self_indent (default_indentation_increment); if (html) add_word ("
"); /* Can't close_single_paragraph, then we lose preceding blank lines. */ flush_output (); execute_string ("%s", line); free (line); if (html) add_word ("
"); close_single_paragraph (); current_indent = save_indent; in_fixed_width_font = save_in_fixed_width_font; } /* Read include-filename, process the include-file: verbatim_include == 0: process through reader_loop verbatim_include != 0: process through handle_verbatim_environment */ static void handle_include (verbatim_include) int verbatim_include; { char *filename; if (macro_expansion_output_stream && !executing_string) me_append_before_this_command (); close_paragraph (); get_rest_of_line (0, &filename); if (macro_expansion_output_stream && !executing_string) remember_itext (input_text, input_text_offset); pushfile (); /* In verbose mode we print info about including another file. */ if (verbose_mode) { int i = 0; FSTACK *stack = filestack; for (i = 0, stack = filestack; stack; stack = stack->next, i++); i *= 2; printf ("%*s", i, ""); printf ("%c%s `%s'\n", COMMAND_PREFIX, command, filename); fflush (stdout); } if (!find_and_load (filename)) { extern int errno; popfile (); line_number--; /* /wh/bar:5: @include/@verbatiminclude `foo': No such file or dir */ line_error ("%c%s `%s': %s", COMMAND_PREFIX, command, filename, strerror (errno)); free (filename); return; } else { if (macro_expansion_output_stream && !executing_string) remember_itext (input_text, input_text_offset); if (!verbatim_include) reader_loop (); else handle_verbatim_environment (0); } free (filename); popfile (); } /* Include file as if put in @verbatim environment */ void cm_verbatiminclude () { handle_include (1); } /* Remember this file, and move onto the next. */ void cm_include () { handle_include (0); } /* @bye: Signals end of processing. Easy to make this happen. */ void cm_bye () { discard_braces (); /* should not have any unclosed braces left */ flush_output (); input_text_offset = input_text_length; } /* @paragraphindent */ static void cm_paragraphindent () { char *arg; get_rest_of_line (1, &arg); if (set_paragraph_indent (arg) != 0) line_error (_("Bad argument to %c%s"), COMMAND_PREFIX, command); free (arg); } /* @exampleindent: change indentation of example-like environments. */ static int set_default_indentation_increment (string) char *string; { if (strcmp (string, "asis") == 0 || strcmp (string, _("asis")) == 0) ; else if (strcmp (string, "none") == 0 || strcmp (string, _("none")) == 0) default_indentation_increment = 0; else if (sscanf (string, "%d", &default_indentation_increment) != 1) return -1; return 0; } static void cm_exampleindent () { char *arg; get_rest_of_line (1, &arg); if (set_default_indentation_increment (arg) != 0) line_error (_("Bad argument to %c%s"), COMMAND_PREFIX, command); free (arg); }