mirror of
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823 lines
23 KiB
C
823 lines
23 KiB
C
/* html.c -- html-related utilities.
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$Id: html.c,v 1.28 2004/12/06 01:13:06 karl Exp $
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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Free Software
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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 "files.h"
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#include "html.h"
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#include "lang.h"
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#include "makeinfo.h"
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#include "node.h"
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#include "sectioning.h"
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/* Append CHAR to BUFFER, (re)allocating as necessary. We don't handle
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null characters. */
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typedef struct
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{
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unsigned size; /* allocated */
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unsigned length; /* used */
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char *buffer;
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} buffer_type;
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static buffer_type *
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init_buffer (void)
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{
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buffer_type *buf = xmalloc (sizeof (buffer_type));
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buf->length = 0;
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buf->size = 0;
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buf->buffer = NULL;
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return buf;
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}
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static void
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append_char (buffer_type *buf, int c)
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{
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buf->length++;
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if (buf->length >= buf->size)
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{
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buf->size += 100;
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buf->buffer = xrealloc (buf->buffer, buf->size);
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}
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buf->buffer[buf->length - 1] = c;
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buf->buffer[buf->length] = 0;
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}
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/* Read the cascading style-sheet file FILENAME. Write out any @import
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commands, which must come first, by the definition of css. If the
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file contains any actual css code following the @imports, return it;
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else return NULL. */
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static char *
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process_css_file (char *filename)
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{
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int c;
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int lastchar = 0;
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FILE *f;
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buffer_type *import_text = init_buffer ();
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buffer_type *inline_text = init_buffer ();
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unsigned lineno = 1;
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enum { null_state, comment_state, import_state, inline_state } state
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= null_state, prev_state;
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prev_state = null_state;
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/* read from stdin if `-' is the filename. */
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f = STREQ (filename, "-") ? stdin : fopen (filename, "r");
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if (!f)
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{
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error (_("%s: could not open --css-file: %s"), progname, filename);
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return NULL;
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}
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/* Read the file. The @import statements must come at the beginning,
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with only whitespace and comments allowed before any inline css code. */
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while ((c = getc (f)) >= 0)
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{
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if (c == '\n')
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lineno++;
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switch (state)
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{
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case null_state: /* between things */
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if (c == '@')
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{ /* Only @import and @charset should switch into
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import_state, other @-commands, such as @media, should
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put us into inline_state. I don't think any other css
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@-commands start with `i' or `c', although of course
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this will break when such a command is defined. */
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int nextchar = getc (f);
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if (nextchar == 'i' || nextchar == 'c')
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{
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append_char (import_text, c);
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state = import_state;
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}
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else
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{
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ungetc (nextchar, f); /* wasn't an @import */
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state = inline_state;
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}
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}
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else if (c == '/')
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{ /* possible start of a comment */
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int nextchar = getc (f);
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if (nextchar == '*')
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state = comment_state;
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else
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{
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ungetc (nextchar, f); /* wasn't a comment */
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state = inline_state;
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}
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}
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else if (isspace (c))
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; /* skip whitespace; maybe should use c_isspace? */
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else
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/* not an @import, not a comment, not whitespace: we must
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have started the inline text. */
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state = inline_state;
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if (state == inline_state)
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append_char (inline_text, c);
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if (state != null_state)
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prev_state = null_state;
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break;
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case comment_state:
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if (c == '/' && lastchar == '*')
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state = prev_state; /* end of comment */
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break; /* else ignore this comment char */
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case import_state:
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append_char (import_text, c); /* include this import char */
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if (c == ';')
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{ /* done with @import */
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append_char (import_text, '\n'); /* make the output nice */
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state = null_state;
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prev_state = import_state;
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}
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break;
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case inline_state:
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/* No harm in writing out comments, so don't bother parsing
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them out, just append everything. */
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append_char (inline_text, c);
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break;
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}
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lastchar = c;
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}
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/* Reached the end of the file. We should not be still in a comment. */
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if (state == comment_state)
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warning (_("%s:%d: --css-file ended in comment"), filename, lineno);
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/* Write the @import text, if any. */
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if (import_text->buffer)
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{
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add_word (import_text->buffer);
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free (import_text->buffer);
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free (import_text);
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}
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/* We're wasting the buffer struct memory, but so what. */
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return inline_text->buffer;
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}
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HSTACK *htmlstack = NULL;
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/* See html.h. */
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int html_output_head_p = 0;
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int html_title_written = 0;
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void
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html_output_head (void)
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{
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static const char *html_title = NULL;
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char *encoding;
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if (html_output_head_p)
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return;
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html_output_head_p = 1;
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encoding = current_document_encoding ();
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/* The <title> should not have markup, so use text_expansion. */
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if (!html_title)
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html_title = escape_string (title ?
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text_expansion (title) : (char *) _("Untitled"));
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/* Make sure this is the very first string of the output document. */
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output_paragraph_offset = 0;
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add_html_block_elt_args ("<html lang=\"%s\">\n<head>\n",
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language_table[language_code].abbrev);
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/* When splitting, add current node's name to title if it's available and not
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Top. */
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if (splitting && current_node && !STREQ (current_node, "Top"))
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add_word_args ("<title>%s - %s</title>\n",
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escape_string (xstrdup (current_node)), html_title);
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else
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add_word_args ("<title>%s</title>\n", html_title);
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add_word ("<meta http-equiv=\"Content-Type\" content=\"text/html");
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if (encoding && *encoding)
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add_word_args ("; charset=%s", encoding);
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add_word ("\">\n");
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if (!document_description)
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document_description = html_title;
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add_word_args ("<meta name=\"description\" content=\"%s\">\n",
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document_description);
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add_word_args ("<meta name=\"generator\" content=\"makeinfo %s\">\n",
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VERSION);
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/* Navigation bar links. */
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if (!splitting)
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add_word ("<link title=\"Top\" rel=\"top\" href=\"#Top\">\n");
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else if (tag_table)
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{
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/* Always put a top link. */
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add_word ("<link title=\"Top\" rel=\"start\" href=\"index.html#Top\">\n");
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/* We already have a top link, avoid duplication. */
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if (tag_table->up && !STREQ (tag_table->up, "Top"))
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add_link (tag_table->up, "rel=\"up\"");
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if (tag_table->prev)
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add_link (tag_table->prev, "rel=\"prev\"");
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if (tag_table->next)
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add_link (tag_table->next, "rel=\"next\"");
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/* fixxme: Look for a way to put links to various indices in the
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document. Also possible candidates to be added here are First and
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Last links. */
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}
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else
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{
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/* We are splitting, but we neither have a tag_table. So this must be
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index.html. So put a link to Top. */
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add_word ("<link title=\"Top\" rel=\"start\" href=\"#Top\">\n");
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}
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add_word ("<link href=\"http://www.gnu.org/software/texinfo/\" \
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rel=\"generator-home\" title=\"Texinfo Homepage\">\n");
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if (copying_text)
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{ /* It is not ideal that we include the html markup here within
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<head>, so we use text_expansion. */
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insert_string ("<!--\n");
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insert_string (text_expansion (copying_text));
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insert_string ("-->\n");
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}
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/* Put the style definitions in a comment for the sake of browsers
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that don't support <style>. */
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add_word ("<meta http-equiv=\"Content-Style-Type\" content=\"text/css\">\n");
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add_word ("<style type=\"text/css\"><!--\n");
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{
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char *css_inline = NULL;
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if (css_include)
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/* This writes out any @import commands from the --css-file,
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and returns any actual css code following the imports. */
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css_inline = process_css_file (css_include);
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/* This seems cleaner than adding <br>'s at the end of each line for
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these "roman" displays. It's hardly the end of the world if the
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browser doesn't do <style>s, in any case; they'll just come out in
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typewriter. */
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#define CSS_FONT_INHERIT "font-family:inherit"
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add_word_args (" pre.display { %s }\n", CSS_FONT_INHERIT);
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add_word_args (" pre.format { %s }\n", CSS_FONT_INHERIT);
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/* Alternatively, we could do <font size=-1> in insertion.c, but this
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way makes it easier to override. */
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#define CSS_FONT_SMALLER "font-size:smaller"
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add_word_args (" pre.smalldisplay { %s; %s }\n", CSS_FONT_INHERIT,
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CSS_FONT_SMALLER);
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add_word_args (" pre.smallformat { %s; %s }\n", CSS_FONT_INHERIT,
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CSS_FONT_SMALLER);
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add_word_args (" pre.smallexample { %s }\n", CSS_FONT_SMALLER);
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add_word_args (" pre.smalllisp { %s }\n", CSS_FONT_SMALLER);
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/* Since HTML doesn't have a sc element, we use span with a bit of
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CSS spice instead. */
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#define CSS_FONT_SMALL_CAPS "font-variant:small-caps"
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add_word_args (" span.sc { %s }\n", CSS_FONT_SMALL_CAPS);
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/* Roman (default) font class, closest we can come. */
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#define CSS_FONT_ROMAN "font-family:serif; font-weight:normal;"
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add_word_args (" span.roman { %s } \n", CSS_FONT_ROMAN);
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/* Sans serif font class. */
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#define CSS_FONT_SANSSERIF "font-family:sans-serif; font-weight:normal;"
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add_word_args (" span.sansserif { %s } \n", CSS_FONT_SANSSERIF);
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/* Write out any css code from the user's --css-file. */
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if (css_inline)
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insert_string (css_inline);
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add_word ("--></style>\n");
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}
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add_word ("</head>\n<body>\n");
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if (title && !html_title_written && titlepage_cmd_present)
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{
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add_word_args ("<h1 class=\"settitle\">%s</h1>\n", html_title);
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html_title_written = 1;
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}
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free (encoding);
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}
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/* Escape HTML special characters in the string if necessary,
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returning a pointer to a possibly newly-allocated one. */
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char *
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escape_string (char *string)
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{
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char *newstring;
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int i = 0, newlen = 0;
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do
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{
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/* Find how much to allocate. */
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switch (string[i])
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{
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case '"':
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newlen += 6; /* `"' */
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break;
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case '&':
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newlen += 5; /* `&' */
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break;
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case '<':
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case '>':
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newlen += 4; /* `<', `>' */
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break;
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default:
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newlen++;
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}
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}
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while (string[i++]);
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if (newlen == i) return string; /* Already OK. */
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newstring = xmalloc (newlen);
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i = 0;
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do
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{
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switch (string[i])
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{
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case '"':
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strcpy (newstring, """);
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newstring += 6;
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break;
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case '&':
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strcpy (newstring, "&");
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newstring += 5;
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break;
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case '<':
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strcpy (newstring, "<");
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newstring += 4;
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break;
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case '>':
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strcpy (newstring, ">");
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newstring += 4;
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break;
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default:
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newstring[0] = string[i];
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newstring++;
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}
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}
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while (string[i++]);
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free (string);
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return newstring - newlen;
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}
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/* Save current tag. */
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static void
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push_tag (char *tag, char *attribs)
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{
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HSTACK *newstack = xmalloc (sizeof (HSTACK));
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newstack->tag = tag;
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newstack->attribs = xstrdup (attribs);
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newstack->next = htmlstack;
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htmlstack = newstack;
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}
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||
|
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/* Get last tag. */
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static void
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pop_tag (void)
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{
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HSTACK *tos = htmlstack;
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|
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if (!tos)
|
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{
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line_error (_("[unexpected] no html tag to pop"));
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return;
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}
|
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|
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free (htmlstack->attribs);
|
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|
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htmlstack = htmlstack->next;
|
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free (tos);
|
||
}
|
||
|
||
/* Check if tag is an empty or a whitespace only element.
|
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If so, remove it, keeping whitespace intact. */
|
||
int
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rollback_empty_tag (char *tag)
|
||
{
|
||
int check_position = output_paragraph_offset;
|
||
int taglen = strlen (tag);
|
||
int rollback_happened = 0;
|
||
char *contents = "";
|
||
char *contents_canon_white = "";
|
||
|
||
/* If output_paragraph is empty, we cannot rollback :-\ */
|
||
if (output_paragraph_offset <= 0)
|
||
return 0;
|
||
|
||
/* Find the end of the previous tag. */
|
||
while (output_paragraph[check_position-1] != '>' && check_position > 0)
|
||
check_position--;
|
||
|
||
/* Save stuff between tag's end to output_paragraph's end. */
|
||
if (check_position != output_paragraph_offset)
|
||
{
|
||
contents = xmalloc (output_paragraph_offset - check_position + 1);
|
||
memcpy (contents, output_paragraph + check_position,
|
||
output_paragraph_offset - check_position);
|
||
|
||
contents[output_paragraph_offset - check_position] = '\0';
|
||
|
||
contents_canon_white = xstrdup (contents);
|
||
canon_white (contents_canon_white);
|
||
}
|
||
|
||
/* Find the start of the previous tag. */
|
||
while (output_paragraph[check_position-1] != '<' && check_position > 0)
|
||
check_position--;
|
||
|
||
/* Check to see if this is the tag. */
|
||
if (strncmp ((char *) output_paragraph + check_position, tag, taglen) == 0
|
||
&& (whitespace (output_paragraph[check_position + taglen])
|
||
|| output_paragraph[check_position + taglen] == '>'))
|
||
{
|
||
if (!contents_canon_white || !*contents_canon_white)
|
||
{
|
||
/* Empty content after whitespace removal, so roll it back. */
|
||
output_paragraph_offset = check_position - 1;
|
||
rollback_happened = 1;
|
||
|
||
/* Original contents may not be empty (whitespace.) */
|
||
if (contents && *contents)
|
||
{
|
||
insert_string (contents);
|
||
free (contents);
|
||
}
|
||
}
|
||
}
|
||
|
||
return rollback_happened;
|
||
}
|
||
|
||
/* Open or close TAG according to START_OR_END. */
|
||
void
|
||
#if defined (VA_FPRINTF) && __STDC__
|
||
insert_html_tag_with_attribute (int start_or_end, char *tag, char *format, ...)
|
||
#else
|
||
insert_html_tag_with_attribute (start_or_end, tag, format, va_alist)
|
||
int start_or_end;
|
||
char *tag;
|
||
char *format;
|
||
va_dcl
|
||
#endif
|
||
{
|
||
char *old_tag = NULL;
|
||
char *old_attribs = NULL;
|
||
char formatted_attribs[2000]; /* xx no fixed limits */
|
||
int do_return = 0;
|
||
extern int in_html_elt;
|
||
|
||
if (start_or_end != START)
|
||
pop_tag ();
|
||
|
||
if (htmlstack)
|
||
{
|
||
old_tag = htmlstack->tag;
|
||
old_attribs = htmlstack->attribs;
|
||
}
|
||
|
||
if (format)
|
||
{
|
||
#ifdef VA_SPRINTF
|
||
va_list ap;
|
||
#endif
|
||
|
||
VA_START (ap, format);
|
||
#ifdef VA_SPRINTF
|
||
VA_SPRINTF (formatted_attribs, format, ap);
|
||
#else
|
||
sprintf (formatted_attribs, format, a1, a2, a3, a4, a5, a6, a7, a8);
|
||
#endif
|
||
va_end (ap);
|
||
}
|
||
else
|
||
formatted_attribs[0] = '\0';
|
||
|
||
/* Exception: can nest multiple spans. */
|
||
if (htmlstack
|
||
&& STREQ (htmlstack->tag, tag)
|
||
&& !(STREQ (tag, "span") && STREQ (old_attribs, formatted_attribs)))
|
||
do_return = 1;
|
||
|
||
if (start_or_end == START)
|
||
push_tag (tag, formatted_attribs);
|
||
|
||
if (do_return)
|
||
return;
|
||
|
||
in_html_elt++;
|
||
|
||
/* texinfo.tex doesn't support more than one font attribute
|
||
at the same time. */
|
||
if ((start_or_end == START) && old_tag && *old_tag
|
||
&& !rollback_empty_tag (old_tag))
|
||
add_word_args ("</%s>", old_tag);
|
||
|
||
if (*tag)
|
||
{
|
||
if (start_or_end == START)
|
||
add_word_args (format ? "<%s %s>" : "<%s>", tag, formatted_attribs);
|
||
else if (!rollback_empty_tag (tag))
|
||
/* Insert close tag only if we didn't rollback,
|
||
in which case the opening tag is removed. */
|
||
add_word_args ("</%s>", tag);
|
||
}
|
||
|
||
if ((start_or_end != START) && old_tag && *old_tag)
|
||
add_word_args (strlen (old_attribs) > 0 ? "<%s %s>" : "<%s>",
|
||
old_tag, old_attribs);
|
||
|
||
in_html_elt--;
|
||
}
|
||
|
||
void
|
||
insert_html_tag (int start_or_end, char *tag)
|
||
{
|
||
insert_html_tag_with_attribute (start_or_end, tag, NULL);
|
||
}
|
||
|
||
/* Output an HTML <link> to the filename for NODE, including the
|
||
other string as extra attributes. */
|
||
void
|
||
add_link (char *nodename, char *attributes)
|
||
{
|
||
if (nodename)
|
||
{
|
||
add_html_elt ("<link ");
|
||
add_word_args ("%s", attributes);
|
||
add_word_args (" href=\"");
|
||
add_anchor_name (nodename, 1);
|
||
add_word_args ("\" title=\"%s\">\n", nodename);
|
||
}
|
||
}
|
||
|
||
/* Output NAME with characters escaped as appropriate for an anchor
|
||
name, i.e., escape URL special characters with our _00hh convention
|
||
if OLD is zero. (See the manual for details on the new scheme.)
|
||
|
||
If OLD is nonzero, generate the node name with the 4.6-and-earlier
|
||
convention of %hh (and more special characters output as-is, notably
|
||
- and *). This is only so that external references to old names can
|
||
still work with HTML generated by the new makeinfo; the gcc folks
|
||
needed this. Our own HTML does not refer to these names. */
|
||
|
||
void
|
||
add_escaped_anchor_name (char *name, int old)
|
||
{
|
||
canon_white (name);
|
||
|
||
if (!old && !strchr ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
|
||
*name))
|
||
{ /* XHTML does not allow anything but an ASCII letter to start an
|
||
identifier. Therefore kludge in this constant string if we
|
||
have a nonletter. */
|
||
add_word ("g_t");
|
||
}
|
||
|
||
for (; *name; name++)
|
||
{
|
||
if (cr_or_whitespace (*name))
|
||
add_char ('-');
|
||
|
||
else if (!old && !URL_SAFE_CHAR (*name))
|
||
/* Cast so characters with the high bit set are treated as >128,
|
||
for example o-umlaut should be 246, not -10. */
|
||
add_word_args ("_00%x", (unsigned char) *name);
|
||
|
||
else if (old && !URL_SAFE_CHAR (*name) && !OLD_URL_SAFE_CHAR (*name))
|
||
/* Different output convention, but still cast as above. */
|
||
add_word_args ("%%%x", (unsigned char) *name);
|
||
|
||
else
|
||
add_char (*name);
|
||
}
|
||
}
|
||
|
||
/* Insert the text for the name of a reference in an HTML anchor
|
||
appropriate for NODENAME.
|
||
|
||
If HREF is zero, generate text for name= in the new node name
|
||
conversion convention.
|
||
If HREF is negative, generate text for name= in the old convention.
|
||
If HREF is positive, generate the name for an href= attribute, i.e.,
|
||
including the `#' if it's an internal reference. */
|
||
void
|
||
add_anchor_name (char *nodename, int href)
|
||
{
|
||
if (href > 0)
|
||
{
|
||
if (splitting)
|
||
add_url_name (nodename, href);
|
||
add_char ('#');
|
||
}
|
||
/* Always add NODENAME, so that the reference would pinpoint the
|
||
exact node on its file. This is so several nodes could share the
|
||
same file, in case of file-name clashes, but also for more
|
||
accurate browser positioning. */
|
||
if (strcasecmp (nodename, "(dir)") == 0)
|
||
/* Strip the parens, but keep the original letter-case. */
|
||
add_word_args ("%.3s", nodename + 1);
|
||
else if (strcasecmp (nodename, "top") == 0)
|
||
add_word ("Top");
|
||
else
|
||
add_escaped_anchor_name (nodename, href < 0);
|
||
}
|
||
|
||
/* Insert the text for the name of a reference in an HTML url, aprropriate
|
||
for NODENAME */
|
||
void
|
||
add_url_name (char *nodename, int href)
|
||
{
|
||
add_nodename_to_filename (nodename, href);
|
||
}
|
||
|
||
/* Convert non [A-Za-z0-9] to _00xx, where xx means the hexadecimal
|
||
representation of the ASCII character. Also convert spaces and
|
||
newlines to dashes. */
|
||
static void
|
||
fix_filename (char *filename)
|
||
{
|
||
int i;
|
||
int len = strlen (filename);
|
||
char *oldname = xstrdup (filename);
|
||
|
||
*filename = '\0';
|
||
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
if (cr_or_whitespace (oldname[i]))
|
||
strcat (filename, "-");
|
||
else if (URL_SAFE_CHAR (oldname[i]))
|
||
strncat (filename, (char *) oldname + i, 1);
|
||
else
|
||
{
|
||
char *hexchar = xmalloc (6 * sizeof (char));
|
||
sprintf (hexchar, "_00%x", (unsigned char) oldname[i]);
|
||
strcat (filename, hexchar);
|
||
free (hexchar);
|
||
}
|
||
|
||
/* Check if we are nearing boundaries. */
|
||
if (strlen (filename) >= PATH_MAX - 20)
|
||
break;
|
||
}
|
||
|
||
free (oldname);
|
||
}
|
||
|
||
/* As we can't look-up a (forward-referenced) nodes' html filename
|
||
from the tentry, we take the easy way out. We assume that
|
||
nodenames are unique, and generate the html filename from the
|
||
nodename, that's always known. */
|
||
static char *
|
||
nodename_to_filename_1 (char *nodename, int href)
|
||
{
|
||
char *p;
|
||
char *filename;
|
||
char dirname[PATH_MAX];
|
||
|
||
if (strcasecmp (nodename, "Top") == 0)
|
||
{
|
||
/* We want to convert references to the Top node into
|
||
"index.html#Top". */
|
||
if (href)
|
||
filename = xstrdup ("index.html"); /* "#Top" is added by our callers */
|
||
else
|
||
filename = xstrdup ("Top");
|
||
}
|
||
else if (strcasecmp (nodename, "(dir)") == 0)
|
||
/* We want to convert references to the (dir) node into
|
||
"../index.html". */
|
||
filename = xstrdup ("../index.html");
|
||
else
|
||
{
|
||
filename = xmalloc (PATH_MAX);
|
||
dirname[0] = '\0';
|
||
*filename = '\0';
|
||
|
||
/* Check for external reference: ``(info-document)node-name''
|
||
Assume this node lives at: ``../info-document/node-name.html''
|
||
|
||
We need to handle the special case (sigh): ``(info-document)'',
|
||
ie, an external top-node, which should translate to:
|
||
``../info-document/info-document.html'' */
|
||
|
||
p = nodename;
|
||
if (*nodename == '(')
|
||
{
|
||
int length;
|
||
|
||
p = strchr (nodename, ')');
|
||
if (p == NULL)
|
||
{
|
||
line_error (_("[unexpected] invalid node name: `%s'"), nodename);
|
||
xexit (1);
|
||
}
|
||
|
||
length = p - nodename - 1;
|
||
if (length > 5 &&
|
||
FILENAME_CMPN (p - 5, ".info", 5) == 0)
|
||
length -= 5;
|
||
/* This is for DOS, and also for Windows and GNU/Linux
|
||
systems that might have Info files copied from a DOS 8+3
|
||
filesystem. */
|
||
if (length > 4 &&
|
||
FILENAME_CMPN (p - 4, ".inf", 4) == 0)
|
||
length -= 4;
|
||
strcpy (filename, "../");
|
||
strncpy (dirname, nodename + 1, length);
|
||
*(dirname + length) = '\0';
|
||
fix_filename (dirname);
|
||
strcat (filename, dirname);
|
||
strcat (filename, "/");
|
||
p++;
|
||
}
|
||
|
||
/* In the case of just (info-document), there will be nothing
|
||
remaining, and we will refer to ../info-document/, which will
|
||
work fine. */
|
||
strcat (filename, p);
|
||
if (*p)
|
||
{
|
||
/* Hmm */
|
||
fix_filename (filename + strlen (filename) - strlen (p));
|
||
strcat (filename, ".html");
|
||
}
|
||
}
|
||
|
||
/* Produce a file name suitable for the underlying filesystem. */
|
||
normalize_filename (filename);
|
||
|
||
#if 0
|
||
/* We add ``#Nodified-filename'' anchor to external references to be
|
||
prepared for non-split HTML support. Maybe drop this. */
|
||
if (href && *dirname)
|
||
{
|
||
strcat (filename, "#");
|
||
strcat (filename, p);
|
||
/* Hmm, again */
|
||
fix_filename (filename + strlen (filename) - strlen (p));
|
||
}
|
||
#endif
|
||
|
||
return filename;
|
||
}
|
||
|
||
/* If necessary, ie, if current filename != filename of node, output
|
||
the node name. */
|
||
void
|
||
add_nodename_to_filename (char *nodename, int href)
|
||
{
|
||
/* for now, don't check: always output filename */
|
||
char *filename = nodename_to_filename_1 (nodename, href);
|
||
add_word (filename);
|
||
free (filename);
|
||
}
|
||
|
||
char *
|
||
nodename_to_filename (char *nodename)
|
||
{
|
||
/* The callers of nodename_to_filename use the result to produce
|
||
<a href=, so call nodename_to_filename_1 with last arg non-zero. */
|
||
return nodename_to_filename_1 (nodename, 1);
|
||
}
|