1572 lines
38 KiB
C
1572 lines
38 KiB
C
/* insertion.c -- insertions for Texinfo.
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$Id: insertion.c,v 1.39 2002/03/02 15:05:21 karl Exp $
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Copyright (C) 1998, 99, 2000, 01, 02 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "system.h"
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#include "cmds.h"
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#include "defun.h"
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#include "insertion.h"
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#include "macro.h"
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#include "makeinfo.h"
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#include "xml.h"
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/* Must match list in insertion.h. */
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static char *insertion_type_names[] =
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{
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"cartouche", "defcv", "deffn", "defivar", "defmac", "defmethod",
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"defop", "defopt", "defspec", "deftp", "deftypefn", "deftypefun",
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"deftypeivar", "deftypemethod", "deftypeop", "deftypevar",
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"deftypevr", "defun", "defvar", "defvr", "detailmenu", "direntry",
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"display", "documentdescription", "enumerate", "example", "flushleft",
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"flushright", "format", "ftable", "group", "ifclear", "ifhtml",
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"ifinfo", "ifnothtml", "ifnotinfo", "ifnottex", "ifset", "iftex",
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"itemize", "lisp", "menu", "multitable", "quotation", "rawhtml",
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"rawtex", "smalldisplay", "smallexample", "smallformat", "smalllisp",
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"verbatim", "table", "tex", "vtable", "bad_type"
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};
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/* All nested environments. */
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INSERTION_ELT *insertion_stack = NULL;
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/* How deeply we're nested. */
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int insertion_level = 0;
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/* Whether to examine menu lines. */
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int in_menu = 0;
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/* How to examine menu lines. */
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int in_detailmenu = 0;
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/* Set to 1 if we've processed (commentary) text in a @menu that
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wasn't part of a menu item. */
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int had_menu_commentary;
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/* Set to 1 if <p> is written in normal context.
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Used for menu and itemize. */
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int in_paragraph = 0;
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static const char dl_tag[] = "<dl>\n";
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void
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init_insertion_stack ()
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{
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insertion_stack = NULL;
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}
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/* Return the type of the current insertion. */
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static enum insertion_type
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current_insertion_type ()
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{
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return insertion_level ? insertion_stack->insertion : bad_type;
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}
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/* Return the string which is the function to wrap around items, or NULL
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if we're not in an environment where @item is ok. */
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static char *
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current_item_function ()
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{
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int done = 0;
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INSERTION_ELT *elt = insertion_stack;
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/* Skip down through the stack until we find an insertion with an
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itemize function defined, i.e., skip conditionals, @cartouche, etc. */
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while (!done && elt)
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{
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switch (elt->insertion)
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{
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/* This list should match the one in cm_item. */
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case ifclear:
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case ifhtml:
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case ifinfo:
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case ifnothtml:
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case ifnotinfo:
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case ifnottex:
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case ifset:
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case iftex:
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case rawhtml:
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case rawtex:
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case tex:
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case cartouche:
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elt = elt->next;
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break;
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default:
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done = 1;
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}
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}
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/* item_function usually gets assigned the empty string. */
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return done && (*elt->item_function) ? elt->item_function : NULL;
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}
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/* Parse the item marker function off the input. If result is just "@",
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change it to "@ ", since "@" by itself is not a command. This makes
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"@ ", "@\t", and "@\n" all the same, but their default meanings are
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the same anyway, and let's not worry about supporting redefining them. */
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char *
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get_item_function ()
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{
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char *item_function;
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get_rest_of_line (0, &item_function);
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/* If we hit the end of text in get_rest_of_line, backing up
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input pointer will cause the last character of the last line
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be pushed back onto the input, which is wrong. */
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if (input_text_offset < input_text_length)
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backup_input_pointer ();
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if (STREQ (item_function, "@"))
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{
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free (item_function);
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item_function = xstrdup ("@ ");
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}
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return item_function;
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}
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/* Push the state of the current insertion on the stack. */
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void
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push_insertion (type, item_function)
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enum insertion_type type;
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char *item_function;
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{
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INSERTION_ELT *new = xmalloc (sizeof (INSERTION_ELT));
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new->item_function = item_function;
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new->filling_enabled = filling_enabled;
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new->indented_fill = indented_fill;
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new->insertion = type;
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new->line_number = line_number;
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new->filename = xstrdup (input_filename);
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new->inhibited = inhibit_paragraph_indentation;
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new->in_fixed_width_font = in_fixed_width_font;
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new->next = insertion_stack;
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insertion_stack = new;
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insertion_level++;
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}
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/* Pop the value on top of the insertion stack into the
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global variables. */
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void
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pop_insertion ()
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{
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INSERTION_ELT *temp = insertion_stack;
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if (temp == NULL)
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return;
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in_fixed_width_font = temp->in_fixed_width_font;
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inhibit_paragraph_indentation = temp->inhibited;
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filling_enabled = temp->filling_enabled;
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indented_fill = temp->indented_fill;
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free_and_clear (&(temp->item_function));
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free_and_clear (&(temp->filename));
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insertion_stack = insertion_stack->next;
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free (temp);
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insertion_level--;
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}
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/* Return a pointer to the print name of this
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enumerated type. */
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char *
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insertion_type_pname (type)
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enum insertion_type type;
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{
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if ((int) type < (int) bad_type)
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return insertion_type_names[(int) type];
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else
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return _("Broken-Type in insertion_type_pname");
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}
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/* Return the insertion_type associated with NAME.
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If the type is not one of the known ones, return BAD_TYPE. */
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enum insertion_type
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find_type_from_name (name)
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char *name;
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{
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int index = 0;
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while (index < (int) bad_type)
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{
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if (STREQ (name, insertion_type_names[index]))
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return (enum insertion_type) index;
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if (index == rawhtml && STREQ (name, "html"))
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return rawhtml;
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if (index == rawtex && STREQ (name, "tex"))
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return rawtex;
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index++;
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}
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return bad_type;
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}
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int
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defun_insertion (type)
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enum insertion_type type;
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{
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return 0
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|| (type == defcv)
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|| (type == deffn)
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|| (type == defivar)
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|| (type == defmac)
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|| (type == defmethod)
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|| (type == defop)
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|| (type == defopt)
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|| (type == defspec)
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|| (type == deftp)
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|| (type == deftypefn)
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|| (type == deftypefun)
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|| (type == deftypeivar)
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|| (type == deftypemethod)
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|| (type == deftypeop)
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|| (type == deftypevar)
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|| (type == deftypevr)
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|| (type == defun)
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|| (type == defvar)
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|| (type == defvr)
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;
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}
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/* MAX_NS is the maximum nesting level for enumerations. I picked 100
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which seemed reasonable. This doesn't control the number of items,
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just the number of nested lists. */
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#define max_stack_depth 100
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#define ENUM_DIGITS 1
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#define ENUM_ALPHA 2
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typedef struct {
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int enumtype;
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int enumval;
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} DIGIT_ALPHA;
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DIGIT_ALPHA enumstack[max_stack_depth];
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int enumstack_offset = 0;
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int current_enumval = 1;
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int current_enumtype = ENUM_DIGITS;
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char *enumeration_arg = NULL;
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void
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start_enumerating (at, type)
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int at, type;
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{
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if ((enumstack_offset + 1) == max_stack_depth)
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{
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line_error (_("Enumeration stack overflow"));
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return;
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}
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enumstack[enumstack_offset].enumtype = current_enumtype;
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enumstack[enumstack_offset].enumval = current_enumval;
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enumstack_offset++;
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current_enumval = at;
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current_enumtype = type;
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}
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void
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stop_enumerating ()
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{
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--enumstack_offset;
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if (enumstack_offset < 0)
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enumstack_offset = 0;
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current_enumval = enumstack[enumstack_offset].enumval;
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current_enumtype = enumstack[enumstack_offset].enumtype;
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}
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/* Place a letter or digits into the output stream. */
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void
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enumerate_item ()
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{
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char temp[10];
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if (current_enumtype == ENUM_ALPHA)
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{
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if (current_enumval == ('z' + 1) || current_enumval == ('Z' + 1))
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{
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current_enumval = ((current_enumval - 1) == 'z' ? 'a' : 'A');
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warning (_("lettering overflow, restarting at %c"), current_enumval);
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}
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sprintf (temp, "%c. ", current_enumval);
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}
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else
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sprintf (temp, "%d. ", current_enumval);
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indent (output_column += (current_indent - strlen (temp)));
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add_word (temp);
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current_enumval++;
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}
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static void
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enum_html ()
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{
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char type;
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int start;
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if (isdigit (*enumeration_arg))
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{
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type = '1';
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start = atoi (enumeration_arg);
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}
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else if (isupper (*enumeration_arg))
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{
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type = 'A';
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start = *enumeration_arg - 'A' + 1;
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}
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else
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{
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type = 'a';
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start = *enumeration_arg - 'a' + 1;
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}
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add_word_args ("<ol type=%c start=%d>\n", type, start);
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}
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/* Conditionally parse based on the current command name. */
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void
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command_name_condition ()
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{
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char *discarder = xmalloc (8 + strlen (command));
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sprintf (discarder, "\n%cend %s", COMMAND_PREFIX, command);
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discard_until (discarder);
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discard_until ("\n");
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free (discarder);
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}
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/* This is where the work for all the "insertion" style
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commands is done. A huge switch statement handles the
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various setups, and generic code is on both sides. */
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void
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begin_insertion (type)
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enum insertion_type type;
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{
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int no_discard = 0;
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if (defun_insertion (type))
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{
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push_insertion (type, xstrdup (""));
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no_discard++;
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}
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else
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{
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push_insertion (type, get_item_function ());
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}
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switch (type)
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{
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case menu:
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if (!no_headers)
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close_paragraph ();
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filling_enabled = no_indent = 0;
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inhibit_paragraph_indentation = 1;
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if (html)
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{
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had_menu_commentary = 1;
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}
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else if (!no_headers && !xml)
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add_word ("* Menu:\n");
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if (xml)
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xml_insert_element (MENU, START);
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in_menu++;
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in_fixed_width_font++;
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no_discard++;
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break;
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case detailmenu:
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if (!in_menu)
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{
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if (!no_headers)
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close_paragraph ();
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filling_enabled = no_indent = 0;
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inhibit_paragraph_indentation = 1;
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no_discard++;
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}
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in_fixed_width_font++;
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in_detailmenu++;
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break;
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case direntry:
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close_single_paragraph ();
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filling_enabled = no_indent = 0;
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inhibit_paragraph_indentation = 1;
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insert_string ("START-INFO-DIR-ENTRY\n");
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break;
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case documentdescription:
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{
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char *desc;
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int start_of_end;
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int save_fixed_width;
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discard_until ("\n"); /* ignore the @documentdescription line */
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start_of_end = get_until ("\n@end documentdescription", &desc);
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save_fixed_width = in_fixed_width_font;
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in_fixed_width_font = 0;
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document_description = expansion (desc, 0);
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free (desc);
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in_fixed_width_font = save_fixed_width;
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input_text_offset = start_of_end; /* go back to the @end to match */
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}
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||
break;
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||
|
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case quotation:
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/* @quotation does filling (@display doesn't). */
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if (html)
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add_word ("<blockquote>\n");
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else
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{
|
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close_single_paragraph ();
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last_char_was_newline = no_indent = 0;
|
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indented_fill = filling_enabled = 1;
|
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inhibit_paragraph_indentation = 1;
|
||
}
|
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current_indent += default_indentation_increment;
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||
break;
|
||
|
||
case display:
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||
case smalldisplay:
|
||
case example:
|
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case smallexample:
|
||
case lisp:
|
||
case smalllisp:
|
||
/* Like @display but without indentation. */
|
||
case smallformat:
|
||
case format:
|
||
close_single_paragraph ();
|
||
inhibit_paragraph_indentation = 1;
|
||
in_fixed_width_font++;
|
||
filling_enabled = 0;
|
||
last_char_was_newline = 0;
|
||
|
||
if (html)
|
||
/* Kludge alert: if <pre> is followed by a newline, IE3
|
||
renders an extra blank line before the pre-formatted block.
|
||
Other browsers seem to not mind one way or the other. */
|
||
add_word ("<br><pre>");
|
||
|
||
if (type != format && type != smallformat)
|
||
current_indent += default_indentation_increment;
|
||
break;
|
||
|
||
case multitable:
|
||
do_multitable ();
|
||
break;
|
||
|
||
case table:
|
||
case ftable:
|
||
case vtable:
|
||
case itemize:
|
||
close_single_paragraph ();
|
||
current_indent += default_indentation_increment;
|
||
filling_enabled = indented_fill = 1;
|
||
#if defined (INDENT_PARAGRAPHS_IN_TABLE)
|
||
inhibit_paragraph_indentation = 0;
|
||
#else
|
||
inhibit_paragraph_indentation = 1;
|
||
#endif /* !INDENT_PARAGRAPHS_IN_TABLE */
|
||
|
||
/* Make things work for losers who forget the itemize syntax. */
|
||
if (type == itemize)
|
||
{
|
||
if (!(*insertion_stack->item_function))
|
||
{
|
||
free (insertion_stack->item_function);
|
||
insertion_stack->item_function = xstrdup ("@bullet");
|
||
}
|
||
}
|
||
|
||
if (!*insertion_stack->item_function)
|
||
{
|
||
line_error (_("%s requires an argument: the formatter for %citem"),
|
||
insertion_type_pname (type), COMMAND_PREFIX);
|
||
}
|
||
|
||
if (html)
|
||
{
|
||
if (type == itemize)
|
||
{
|
||
add_word ("<ul>\n");
|
||
in_paragraph = 0;
|
||
}
|
||
else
|
||
add_word (dl_tag);
|
||
}
|
||
if (xml)
|
||
xml_begin_table (type, insertion_stack->item_function);
|
||
break;
|
||
|
||
case enumerate:
|
||
close_single_paragraph ();
|
||
no_indent = 0;
|
||
#if defined (INDENT_PARAGRAPHS_IN_TABLE)
|
||
inhibit_paragraph_indentation = 0;
|
||
#else
|
||
inhibit_paragraph_indentation = 1;
|
||
#endif /* !INDENT_PARAGRAPHS_IN_TABLE */
|
||
|
||
current_indent += default_indentation_increment;
|
||
filling_enabled = indented_fill = 1;
|
||
|
||
if (html)
|
||
enum_html ();
|
||
|
||
if (xml)
|
||
xml_begin_enumerate (enumeration_arg);
|
||
|
||
if (isdigit (*enumeration_arg))
|
||
start_enumerating (atoi (enumeration_arg), ENUM_DIGITS);
|
||
else
|
||
start_enumerating (*enumeration_arg, ENUM_ALPHA);
|
||
break;
|
||
|
||
/* @group does nothing special in makeinfo. */
|
||
case group:
|
||
/* Only close the paragraph if we are not inside of an
|
||
@example-like environment. */
|
||
if (xml)
|
||
xml_insert_element (GROUP, START);
|
||
else if (!insertion_stack->next
|
||
|| (insertion_stack->next->insertion != display
|
||
&& insertion_stack->next->insertion != smalldisplay
|
||
&& insertion_stack->next->insertion != example
|
||
&& insertion_stack->next->insertion != smallexample
|
||
&& insertion_stack->next->insertion != lisp
|
||
&& insertion_stack->next->insertion != smalllisp
|
||
&& insertion_stack->next->insertion != format
|
||
&& insertion_stack->next->insertion != smallformat
|
||
&& insertion_stack->next->insertion != flushleft
|
||
&& insertion_stack->next->insertion != flushright))
|
||
close_single_paragraph ();
|
||
break;
|
||
|
||
/* Insertions that are no-ops in info, but do something in TeX. */
|
||
case cartouche:
|
||
case ifclear:
|
||
case ifhtml:
|
||
case ifinfo:
|
||
case ifnothtml:
|
||
case ifnotinfo:
|
||
case ifnottex:
|
||
case ifset:
|
||
case iftex:
|
||
case rawtex:
|
||
if (in_menu)
|
||
no_discard++;
|
||
break;
|
||
|
||
case rawhtml:
|
||
escape_html = 0;
|
||
break;
|
||
|
||
case defcv:
|
||
case deffn:
|
||
case defivar:
|
||
case defmac:
|
||
case defmethod:
|
||
case defop:
|
||
case defopt:
|
||
case defspec:
|
||
case deftp:
|
||
case deftypefn:
|
||
case deftypefun:
|
||
case deftypeivar:
|
||
case deftypemethod:
|
||
case deftypeop:
|
||
case deftypevar:
|
||
case deftypevr:
|
||
case defun:
|
||
case defvar:
|
||
case defvr:
|
||
inhibit_paragraph_indentation = 1;
|
||
filling_enabled = indented_fill = 1;
|
||
current_indent += default_indentation_increment;
|
||
no_indent = 0;
|
||
break;
|
||
|
||
case flushleft:
|
||
close_single_paragraph ();
|
||
inhibit_paragraph_indentation = 1;
|
||
filling_enabled = indented_fill = no_indent = 0;
|
||
if (html)
|
||
add_word ("<div align=\"left\">");
|
||
break;
|
||
|
||
case flushright:
|
||
close_single_paragraph ();
|
||
filling_enabled = indented_fill = no_indent = 0;
|
||
inhibit_paragraph_indentation = 1;
|
||
force_flush_right++;
|
||
if (html)
|
||
add_word ("<div align=\"right\">");
|
||
break;
|
||
|
||
default:
|
||
line_error ("begin_insertion internal error: type=%d", type);
|
||
|
||
}
|
||
|
||
if (!no_discard)
|
||
discard_until ("\n");
|
||
}
|
||
|
||
/* Try to end the insertion with the specified TYPE. With a value of
|
||
`bad_type', TYPE gets translated to match the value currently on top
|
||
of the stack. Otherwise, if TYPE doesn't match the top of the
|
||
insertion stack, give error. */
|
||
void
|
||
end_insertion (type)
|
||
enum insertion_type type;
|
||
{
|
||
enum insertion_type temp_type;
|
||
|
||
if (!insertion_level)
|
||
return;
|
||
|
||
temp_type = current_insertion_type ();
|
||
|
||
if (type == bad_type)
|
||
type = temp_type;
|
||
|
||
if (type != temp_type)
|
||
{
|
||
line_error
|
||
(_("`@end' expected `%s', but saw `%s'"),
|
||
insertion_type_pname (temp_type), insertion_type_pname (type));
|
||
return;
|
||
}
|
||
|
||
pop_insertion ();
|
||
|
||
if (xml)
|
||
{
|
||
switch (type)
|
||
{
|
||
case ifinfo:
|
||
case documentdescription:
|
||
break;
|
||
case quotation:
|
||
xml_insert_element (QUOTATION, END);
|
||
break;
|
||
case example:
|
||
xml_insert_element (EXAMPLE, END);
|
||
break;
|
||
case smallexample:
|
||
xml_insert_element (SMALLEXAMPLE, END);
|
||
break;
|
||
case lisp:
|
||
xml_insert_element (LISP, END);
|
||
break;
|
||
case smalllisp:
|
||
xml_insert_element (SMALLLISP, END);
|
||
break;
|
||
case cartouche:
|
||
xml_insert_element (CARTOUCHE, END);
|
||
break;
|
||
case format:
|
||
xml_insert_element (FORMAT, END);
|
||
break;
|
||
case smallformat:
|
||
xml_insert_element (SMALLFORMAT, END);
|
||
break;
|
||
case display:
|
||
xml_insert_element (DISPLAY, END);
|
||
break;
|
||
case smalldisplay:
|
||
xml_insert_element (SMALLDISPLAY, END);
|
||
break;
|
||
case table:
|
||
case ftable:
|
||
case vtable:
|
||
case itemize:
|
||
xml_end_table (type);
|
||
break;
|
||
case enumerate:
|
||
xml_end_enumerate (type);
|
||
break;
|
||
case group:
|
||
xml_insert_element (GROUP, END);
|
||
break;
|
||
}
|
||
}
|
||
switch (type)
|
||
{
|
||
/* Insertions which have no effect on paragraph formatting. */
|
||
case documentdescription:
|
||
case ifclear:
|
||
case ifinfo:
|
||
case ifhtml:
|
||
case ifnothtml:
|
||
case ifnotinfo:
|
||
case ifnottex:
|
||
case ifset:
|
||
case iftex:
|
||
case rawtex:
|
||
break;
|
||
|
||
case rawhtml:
|
||
escape_html = 1;
|
||
break;
|
||
|
||
case direntry: /* Eaten if html. */
|
||
insert_string ("END-INFO-DIR-ENTRY\n\n");
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case detailmenu:
|
||
in_detailmenu--; /* No longer hacking menus. */
|
||
if (!in_menu)
|
||
{
|
||
if (!no_headers)
|
||
close_insertion_paragraph ();
|
||
}
|
||
break;
|
||
|
||
case menu:
|
||
in_menu--; /* No longer hacking menus. */
|
||
if (html)
|
||
add_word ("</ul>\n");
|
||
else if (!no_headers)
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case multitable:
|
||
end_multitable ();
|
||
break;
|
||
|
||
case enumerate:
|
||
stop_enumerating ();
|
||
close_insertion_paragraph ();
|
||
current_indent -= default_indentation_increment;
|
||
if (html)
|
||
add_word ("</ol>\n");
|
||
break;
|
||
|
||
case flushleft:
|
||
if (html)
|
||
add_word ("</div>\n");
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case group:
|
||
case cartouche:
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case format:
|
||
case smallformat:
|
||
case display:
|
||
case smalldisplay:
|
||
case example:
|
||
case smallexample:
|
||
case lisp:
|
||
case smalllisp:
|
||
case quotation:
|
||
/* @format and @smallformat are the only fixed_width insertion
|
||
without a change in indentation. */
|
||
if (type != format && type != smallformat)
|
||
current_indent -= default_indentation_increment;
|
||
|
||
if (html)
|
||
add_word (type == quotation ? "</blockquote>\n" : "</pre>\n");
|
||
|
||
/* The ending of one of these insertions always marks the
|
||
start of a new paragraph. */
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case table:
|
||
case ftable:
|
||
case vtable:
|
||
current_indent -= default_indentation_increment;
|
||
if (html)
|
||
add_word ("</dl>\n");
|
||
break;
|
||
|
||
case itemize:
|
||
current_indent -= default_indentation_increment;
|
||
if (html)
|
||
add_word ("</ul>\n");
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
case flushright:
|
||
force_flush_right--;
|
||
if (html)
|
||
add_word ("</div>\n");
|
||
close_insertion_paragraph ();
|
||
break;
|
||
|
||
/* Handle the @defun insertions with this default clause. */
|
||
default:
|
||
{
|
||
enum insertion_type base_type;
|
||
|
||
if (type < defcv || type > defvr)
|
||
line_error ("end_insertion internal error: type=%d", type);
|
||
|
||
base_type = get_base_type (type);
|
||
switch (base_type)
|
||
{
|
||
case deffn:
|
||
case defvr:
|
||
case deftp:
|
||
case deftypefn:
|
||
case deftypevr:
|
||
case defcv:
|
||
case defop:
|
||
case deftypemethod:
|
||
case deftypeop:
|
||
case deftypeivar:
|
||
if (html)
|
||
/* close the tables which has been opened in defun.c */
|
||
add_word ("</td></tr>\n</table>\n");
|
||
break;
|
||
} /* switch (base_type)... */
|
||
|
||
current_indent -= default_indentation_increment;
|
||
close_insertion_paragraph ();
|
||
}
|
||
break;
|
||
|
||
}
|
||
|
||
if (current_indent < 0)
|
||
line_error ("end_insertion internal error: current indent=%d",
|
||
current_indent);
|
||
}
|
||
|
||
/* Insertions cannot cross certain boundaries, such as node beginnings. In
|
||
code that creates such boundaries, you should call `discard_insertions'
|
||
before doing anything else. It prints the errors for you, and cleans up
|
||
the insertion stack.
|
||
|
||
With nonzero SPECIALS_OK argument, allows unmatched
|
||
@if... conditionals, otherwise not. This is because conditionals can
|
||
cross node boundaries. Always happens with the @top node, for example. */
|
||
void
|
||
discard_insertions (specials_ok)
|
||
int specials_ok;
|
||
{
|
||
int real_line_number = line_number;
|
||
while (insertion_stack)
|
||
{
|
||
if (specials_ok
|
||
&& ((ifclear <= insertion_stack->insertion
|
||
&& insertion_stack->insertion <= iftex)
|
||
|| insertion_stack->insertion == rawhtml
|
||
|| insertion_stack->insertion == rawtex))
|
||
break;
|
||
else
|
||
{
|
||
char *offender = insertion_type_pname (insertion_stack->insertion);
|
||
|
||
file_line_error (insertion_stack->filename,
|
||
insertion_stack->line_number,
|
||
_("No matching `%cend %s'"), COMMAND_PREFIX,
|
||
offender);
|
||
pop_insertion ();
|
||
}
|
||
}
|
||
line_number = real_line_number;
|
||
}
|
||
|
||
/* Insertion (environment) commands. */
|
||
|
||
void
|
||
cm_quotation ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (QUOTATION, START);
|
||
begin_insertion (quotation);
|
||
}
|
||
|
||
void
|
||
cm_example ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (EXAMPLE, START);
|
||
begin_insertion (example);
|
||
}
|
||
|
||
void
|
||
cm_smallexample ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (SMALLEXAMPLE, START);
|
||
begin_insertion (smallexample);
|
||
}
|
||
|
||
void
|
||
cm_lisp ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (LISP, START);
|
||
begin_insertion (lisp);
|
||
}
|
||
|
||
void
|
||
cm_smalllisp ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (SMALLLISP, START);
|
||
begin_insertion (smalllisp);
|
||
}
|
||
|
||
void
|
||
cm_cartouche ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (CARTOUCHE, START);
|
||
begin_insertion (cartouche);
|
||
}
|
||
|
||
void
|
||
cm_format ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (FORMAT, START);
|
||
begin_insertion (format);
|
||
}
|
||
|
||
void
|
||
cm_smallformat ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (SMALLFORMAT, START);
|
||
begin_insertion (smallformat);
|
||
}
|
||
|
||
void
|
||
cm_display ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (DISPLAY, START);
|
||
begin_insertion (display);
|
||
}
|
||
|
||
void
|
||
cm_smalldisplay ()
|
||
{
|
||
if (xml)
|
||
xml_insert_element (SMALLDISPLAY, START);
|
||
begin_insertion (smalldisplay);
|
||
}
|
||
|
||
void
|
||
cm_direntry ()
|
||
{
|
||
if (html || xml)
|
||
command_name_condition ();
|
||
else
|
||
begin_insertion (direntry);
|
||
}
|
||
|
||
void
|
||
cm_documentdescription ()
|
||
{
|
||
if (html || xml)
|
||
begin_insertion (documentdescription);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
|
||
void
|
||
cm_itemize ()
|
||
{
|
||
begin_insertion (itemize);
|
||
}
|
||
|
||
/* Start an enumeration insertion of type TYPE. If the user supplied
|
||
no argument on the line, then use DEFAULT_STRING as the initial string. */
|
||
static void
|
||
do_enumeration (type, default_string)
|
||
int type;
|
||
char *default_string;
|
||
{
|
||
get_until_in_line (0, ".", &enumeration_arg);
|
||
canon_white (enumeration_arg);
|
||
|
||
if (!*enumeration_arg)
|
||
{
|
||
free (enumeration_arg);
|
||
enumeration_arg = xstrdup (default_string);
|
||
}
|
||
|
||
if (!isdigit (*enumeration_arg) && !isletter (*enumeration_arg))
|
||
{
|
||
warning (_("%s requires letter or digit"), insertion_type_pname (type));
|
||
|
||
switch (type)
|
||
{
|
||
case enumerate:
|
||
default_string = "1";
|
||
break;
|
||
}
|
||
enumeration_arg = xstrdup (default_string);
|
||
}
|
||
begin_insertion (type);
|
||
}
|
||
|
||
void
|
||
cm_enumerate ()
|
||
{
|
||
do_enumeration (enumerate, "1");
|
||
}
|
||
|
||
/* Handle verbatim environment:
|
||
find_end_verbatim == 0: process until end of file
|
||
find_end_verbatim != 0: process until 'COMMAND_PREFIXend verbatim'
|
||
or end of file
|
||
|
||
We cannot simply copy input stream onto output stream; as the
|
||
verbatim environment may be encapsulated in an @example environment,
|
||
for example. */
|
||
void
|
||
handle_verbatim_environment (find_end_verbatim)
|
||
int find_end_verbatim;
|
||
{
|
||
int character;
|
||
int seen_end = 0;
|
||
int save_filling_enabled = filling_enabled;
|
||
int save_inhibit_paragraph_indentation = inhibit_paragraph_indentation;
|
||
|
||
close_single_paragraph ();
|
||
inhibit_paragraph_indentation = 1;
|
||
filling_enabled = 0;
|
||
in_fixed_width_font++;
|
||
last_char_was_newline = 0;
|
||
|
||
/* No indentation: this is verbatim after all
|
||
If you want indent, enclose @verbatim in @example
|
||
current_indent += default_indentation_increment;
|
||
*/
|
||
|
||
if (html)
|
||
add_word ("<pre>");
|
||
|
||
while (input_text_offset < input_text_length)
|
||
{
|
||
character = curchar ();
|
||
|
||
if (character == '\n')
|
||
line_number++;
|
||
/*
|
||
Assume no newlines in END_VERBATIM
|
||
*/
|
||
else if (find_end_verbatim && (character == COMMAND_PREFIX) /* @ */
|
||
&& (input_text_length - input_text_offset > sizeof (END_VERBATIM))
|
||
&& !strncmp (&input_text[input_text_offset+1], END_VERBATIM,
|
||
sizeof (END_VERBATIM)-1))
|
||
{
|
||
input_text_offset += sizeof (END_VERBATIM);
|
||
seen_end = 1;
|
||
break;
|
||
}
|
||
|
||
add_char (character);
|
||
input_text_offset++;
|
||
}
|
||
|
||
if (find_end_verbatim && !seen_end)
|
||
warning (_("end of file inside verbatim block"));
|
||
|
||
if (html)
|
||
add_word ("</pre>");
|
||
|
||
in_fixed_width_font--;
|
||
filling_enabled = save_filling_enabled;
|
||
inhibit_paragraph_indentation = save_inhibit_paragraph_indentation;
|
||
}
|
||
|
||
void
|
||
cm_verbatim ()
|
||
{
|
||
handle_verbatim_environment (1);
|
||
}
|
||
|
||
void
|
||
cm_table ()
|
||
{
|
||
begin_insertion (table);
|
||
}
|
||
|
||
void
|
||
cm_multitable ()
|
||
{
|
||
begin_insertion (multitable); /* @@ */
|
||
}
|
||
|
||
void
|
||
cm_ftable ()
|
||
{
|
||
begin_insertion (ftable);
|
||
}
|
||
|
||
void
|
||
cm_vtable ()
|
||
{
|
||
begin_insertion (vtable);
|
||
}
|
||
|
||
void
|
||
cm_group ()
|
||
{
|
||
begin_insertion (group);
|
||
}
|
||
|
||
void
|
||
cm_ifinfo ()
|
||
{
|
||
if (process_info)
|
||
begin_insertion (ifinfo);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
void
|
||
cm_ifnotinfo ()
|
||
{
|
||
if (!process_info)
|
||
begin_insertion (ifnotinfo);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
|
||
/* Insert raw HTML (no escaping of `<' etc.). */
|
||
void
|
||
cm_html ()
|
||
{
|
||
if (process_html)
|
||
begin_insertion (rawhtml);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
void
|
||
cm_ifhtml ()
|
||
{
|
||
if (process_html)
|
||
begin_insertion (ifhtml);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
void
|
||
cm_ifnothtml ()
|
||
{
|
||
if (!process_html)
|
||
begin_insertion (ifnothtml);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
|
||
void
|
||
cm_tex ()
|
||
{
|
||
if (process_tex)
|
||
begin_insertion (rawtex);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
void
|
||
cm_iftex ()
|
||
{
|
||
if (process_tex)
|
||
begin_insertion (iftex);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
void
|
||
cm_ifnottex ()
|
||
{
|
||
if (!process_tex)
|
||
begin_insertion (ifnottex);
|
||
else
|
||
command_name_condition ();
|
||
}
|
||
|
||
/* Begin an insertion where the lines are not filled or indented. */
|
||
void
|
||
cm_flushleft ()
|
||
{
|
||
begin_insertion (flushleft);
|
||
}
|
||
|
||
/* Begin an insertion where the lines are not filled, and each line is
|
||
forced to the right-hand side of the page. */
|
||
void
|
||
cm_flushright ()
|
||
{
|
||
begin_insertion (flushright);
|
||
}
|
||
|
||
void
|
||
cm_menu ()
|
||
{
|
||
if (current_node == NULL)
|
||
{
|
||
warning (_("@menu seen before first @node, creating `Top' node"));
|
||
warning (_("perhaps your @top node should be wrapped in @ifnottex rather than @ifinfo?"));
|
||
/* Include @top command so we can construct the implicit node tree. */
|
||
execute_string ("@node top\n@top Top\n");
|
||
}
|
||
begin_insertion (menu);
|
||
}
|
||
|
||
void
|
||
cm_detailmenu ()
|
||
{
|
||
if (current_node == NULL)
|
||
{ /* Problems anyway, @detailmenu should always be inside @menu. */
|
||
warning (_("@detailmenu seen before first node, creating `Top' node"));
|
||
execute_string ("@node top\n@top Top\n");
|
||
}
|
||
begin_insertion (detailmenu);
|
||
}
|
||
|
||
/* End existing insertion block. */
|
||
void
|
||
cm_end ()
|
||
{
|
||
char *temp;
|
||
enum insertion_type type;
|
||
|
||
if (!insertion_level)
|
||
{
|
||
line_error (_("Unmatched `%c%s'"), COMMAND_PREFIX, command);
|
||
return;
|
||
}
|
||
|
||
get_rest_of_line (0, &temp);
|
||
|
||
if (temp[0] == 0)
|
||
line_error (_("`%c%s' needs something after it"), COMMAND_PREFIX, command);
|
||
|
||
type = find_type_from_name (temp);
|
||
|
||
if (type == bad_type)
|
||
{
|
||
line_error (_("Bad argument to `%s', `%s', using `%s'"),
|
||
command, temp, insertion_type_pname (current_insertion_type ()));
|
||
}
|
||
if (xml && type == menu) /* fixme */
|
||
{
|
||
xml_end_menu ();
|
||
}
|
||
end_insertion (type);
|
||
free (temp);
|
||
}
|
||
|
||
/* @itemx, @item. */
|
||
|
||
static int itemx_flag = 0;
|
||
|
||
/* Return whether CMD takes a brace-delimited {arg}. */
|
||
/*static */int
|
||
command_needs_braces (cmd)
|
||
char *cmd;
|
||
{
|
||
int i;
|
||
for (i = 0; command_table[i].name; i++)
|
||
{
|
||
if (STREQ (command_table[i].name, cmd))
|
||
return command_table[i].argument_in_braces == BRACE_ARGS;
|
||
}
|
||
|
||
return 0; /* macro or alias */
|
||
}
|
||
|
||
|
||
void
|
||
cm_item ()
|
||
{
|
||
char *rest_of_line, *item_func;
|
||
|
||
/* Can only hack "@item" while inside of an insertion. */
|
||
if (insertion_level)
|
||
{
|
||
INSERTION_ELT *stack = insertion_stack;
|
||
int original_input_text_offset;
|
||
|
||
skip_whitespace ();
|
||
original_input_text_offset = input_text_offset;
|
||
|
||
get_rest_of_line (0, &rest_of_line);
|
||
item_func = current_item_function ();
|
||
|
||
/* Do the right thing depending on which insertion function is active. */
|
||
switch_top:
|
||
switch (stack->insertion)
|
||
{
|
||
case multitable:
|
||
multitable_item ();
|
||
/* Support text directly after the @item. */
|
||
if (*rest_of_line)
|
||
{
|
||
line_number--;
|
||
input_text_offset = original_input_text_offset;
|
||
}
|
||
break;
|
||
|
||
case ifclear:
|
||
case ifhtml:
|
||
case ifinfo:
|
||
case ifnothtml:
|
||
case ifnotinfo:
|
||
case ifnottex:
|
||
case ifset:
|
||
case iftex:
|
||
case rawhtml:
|
||
case rawtex:
|
||
case tex:
|
||
case cartouche:
|
||
stack = stack->next;
|
||
if (!stack)
|
||
goto no_insertion;
|
||
else
|
||
goto switch_top;
|
||
break;
|
||
|
||
case menu:
|
||
case quotation:
|
||
case example:
|
||
case smallexample:
|
||
case lisp:
|
||
case smalllisp:
|
||
case format:
|
||
case smallformat:
|
||
case display:
|
||
case smalldisplay:
|
||
case group:
|
||
line_error (_("@%s not meaningful inside `@%s' block"),
|
||
command,
|
||
insertion_type_pname (current_insertion_type ()));
|
||
break;
|
||
|
||
case itemize:
|
||
case enumerate:
|
||
if (itemx_flag)
|
||
{
|
||
line_error (_("@itemx not meaningful inside `%s' block"),
|
||
insertion_type_pname (current_insertion_type ()));
|
||
}
|
||
else
|
||
{
|
||
if (html)
|
||
{
|
||
if (in_paragraph)
|
||
{
|
||
add_word ("</p>");
|
||
in_paragraph = 0;
|
||
}
|
||
add_word ("<li>");
|
||
}
|
||
else if (xml)
|
||
xml_begin_item ();
|
||
else
|
||
{
|
||
start_paragraph ();
|
||
kill_self_indent (-1);
|
||
filling_enabled = indented_fill = 1;
|
||
|
||
if (current_item_function ())
|
||
{
|
||
output_column = current_indent - 2;
|
||
indent (output_column);
|
||
|
||
/* The item marker can be given with or without
|
||
braces -- @bullet and @bullet{} are both ok.
|
||
Or it might be something that doesn't take
|
||
braces at all, such as "o" or "#" or "@ ".
|
||
Thus, only supply braces if the item marker is
|
||
a command, they haven't supplied braces
|
||
themselves, and we know it needs them. */
|
||
if (item_func && *item_func)
|
||
{
|
||
if (*item_func == COMMAND_PREFIX
|
||
&& item_func[strlen (item_func) - 1] != '}'
|
||
&& command_needs_braces (item_func + 1))
|
||
execute_string ("%s{}", item_func);
|
||
else
|
||
execute_string ("%s", item_func);
|
||
}
|
||
insert (' ');
|
||
output_column++;
|
||
}
|
||
else
|
||
enumerate_item ();
|
||
|
||
/* Special hack. This makes `close_paragraph' a no-op until
|
||
`start_paragraph' has been called. */
|
||
must_start_paragraph = 1;
|
||
}
|
||
|
||
/* Handle text directly after the @item. */
|
||
if (*rest_of_line)
|
||
{
|
||
line_number--;
|
||
input_text_offset = original_input_text_offset;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case table:
|
||
case ftable:
|
||
case vtable:
|
||
if (html)
|
||
{
|
||
static int last_html_output_position = 0;
|
||
|
||
/* If nothing has been output since the last <dd>,
|
||
remove the empty <dd> element. Some browsers render
|
||
an extra empty line for <dd><dt>, which makes @itemx
|
||
conversion look ugly. */
|
||
if (last_html_output_position == output_position
|
||
&& strncmp ((char *) output_paragraph, "<dd>",
|
||
output_paragraph_offset) == 0)
|
||
output_paragraph_offset = 0;
|
||
|
||
/* Force the browser to render one blank line before
|
||
each new @item in a table. But don't do that unless
|
||
this is the first <dt> after the <dl>, or if we are
|
||
converting @itemx.
|
||
|
||
Note that there are some browsers which ignore <br>
|
||
in this context, but I cannot find any way to force
|
||
them all render exactly one blank line. */
|
||
if (!itemx_flag
|
||
&& strncmp ((char *) output_paragraph
|
||
+ output_paragraph_offset - sizeof (dl_tag) + 1,
|
||
dl_tag, sizeof (dl_tag) - 1) != 0)
|
||
add_word ("<br>");
|
||
|
||
add_word ("<dt>");
|
||
if (item_func && *item_func)
|
||
execute_string ("%s{%s}", item_func, rest_of_line);
|
||
else
|
||
execute_string ("%s", rest_of_line);
|
||
|
||
if (current_insertion_type () == ftable)
|
||
execute_string ("%cfindex %s\n", COMMAND_PREFIX, rest_of_line);
|
||
|
||
if (current_insertion_type () == vtable)
|
||
execute_string ("%cvindex %s\n", COMMAND_PREFIX, rest_of_line);
|
||
/* Make sure output_position is updated, so we could
|
||
remember it. */
|
||
close_single_paragraph ();
|
||
last_html_output_position = output_position;
|
||
add_word ("<dd>");
|
||
}
|
||
else if (xml) /* && docbook)*/ /* 05-08 */
|
||
{
|
||
xml_begin_table_item ();
|
||
if (item_func && *item_func)
|
||
execute_string ("%s{%s}", item_func, rest_of_line);
|
||
else
|
||
execute_string ("%s", rest_of_line);
|
||
xml_continue_table_item ();
|
||
}
|
||
else
|
||
{
|
||
/* We need this to determine if we have two @item's in a row
|
||
(see test just below). */
|
||
static int last_item_output_position = 0;
|
||
|
||
/* Get rid of extra characters. */
|
||
kill_self_indent (-1);
|
||
|
||
/* If we have one @item followed directly by another @item,
|
||
we need to insert a blank line. This is not true for
|
||
@itemx, though. */
|
||
if (!itemx_flag && last_item_output_position == output_position)
|
||
insert ('\n');
|
||
|
||
/* `close_paragraph' almost does what we want. The problem
|
||
is when paragraph_is_open, and last_char_was_newline, and
|
||
the last newline has been turned into a space, because
|
||
filling_enabled. I handle it here. */
|
||
if (last_char_was_newline && filling_enabled &&
|
||
paragraph_is_open)
|
||
insert ('\n');
|
||
close_paragraph ();
|
||
|
||
#if defined (INDENT_PARAGRAPHS_IN_TABLE)
|
||
/* Indent on a new line, but back up one indentation level. */
|
||
{
|
||
int save = inhibit_paragraph_indentation;
|
||
inhibit_paragraph_indentation = 1;
|
||
/* At this point, inserting any non-whitespace character will
|
||
force the existing indentation to be output. */
|
||
add_char ('i');
|
||
inhibit_paragraph_indentation = save;
|
||
}
|
||
#else /* !INDENT_PARAGRAPHS_IN_TABLE */
|
||
add_char ('i');
|
||
#endif /* !INDENT_PARAGRAPHS_IN_TABLE */
|
||
|
||
output_paragraph_offset--;
|
||
kill_self_indent (default_indentation_increment + 1);
|
||
|
||
/* Add item's argument to the line. */
|
||
filling_enabled = 0;
|
||
if (item_func && *item_func)
|
||
execute_string ("%s{%s}", item_func, rest_of_line);
|
||
else
|
||
execute_string ("%s", rest_of_line);
|
||
|
||
if (current_insertion_type () == ftable)
|
||
execute_string ("%cfindex %s\n", COMMAND_PREFIX, rest_of_line);
|
||
else if (current_insertion_type () == vtable)
|
||
execute_string ("%cvindex %s\n", COMMAND_PREFIX, rest_of_line);
|
||
|
||
/* Start a new line, and let start_paragraph ()
|
||
do the indenting of it for you. */
|
||
close_single_paragraph ();
|
||
indented_fill = filling_enabled = 1;
|
||
last_item_output_position = output_position;
|
||
}
|
||
}
|
||
free (rest_of_line);
|
||
}
|
||
else
|
||
{
|
||
no_insertion:
|
||
line_error (_("%c%s found outside of an insertion block"),
|
||
COMMAND_PREFIX, command);
|
||
}
|
||
}
|
||
|
||
void
|
||
cm_itemx ()
|
||
{
|
||
itemx_flag++;
|
||
cm_item ();
|
||
itemx_flag--;
|
||
}
|