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-rw-r--r--camel/camel-mime-filter-tohtml.c459
1 files changed, 0 insertions, 459 deletions
diff --git a/camel/camel-mime-filter-tohtml.c b/camel/camel-mime-filter-tohtml.c
deleted file mode 100644
index 9d505e251..000000000
--- a/camel/camel-mime-filter-tohtml.c
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@@ -1,459 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- *
- * Copyright 2001 Ximian, Inc. (www.ximian.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
- *
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-
-#include "camel-url-scanner.h"
-#include "camel-mime-filter-tohtml.h"
-#include "camel-utf8.h"
-
-/**
- * TODO: convert common text/plain 'markup' to html. eg.:
- *
- * _word_ -> <u>_word_</u>
- * *word* -> <b>*word*</b>
- * /word/ -> <i>/word/</i>
- **/
-
-#define d(x)
-
-#define CONVERT_WEB_URLS CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS
-#define CONVERT_ADDRSPEC CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES
-
-static struct {
- unsigned int mask;
- urlpattern_t pattern;
-} patterns[] = {
- { CONVERT_WEB_URLS, { "file://", "", camel_url_file_start, camel_url_file_end } },
- { CONVERT_WEB_URLS, { "ftp://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "http://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "https://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "news://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "nntp://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "telnet://", "", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "www.", "http://", camel_url_web_start, camel_url_web_end } },
- { CONVERT_WEB_URLS, { "ftp.", "ftp://", camel_url_web_start, camel_url_web_end } },
- { CONVERT_ADDRSPEC, { "@", "mailto:", camel_url_addrspec_start, camel_url_addrspec_end } },
-};
-
-#define NUM_URL_PATTERNS (sizeof (patterns) / sizeof (patterns[0]))
-
-static void camel_mime_filter_tohtml_class_init (CamelMimeFilterToHTMLClass *klass);
-static void camel_mime_filter_tohtml_init (CamelMimeFilterToHTML *filter);
-static void camel_mime_filter_tohtml_finalize (CamelObject *obj);
-
-static CamelMimeFilterClass *camel_mime_filter_tohtml_parent;
-
-
-CamelType
-camel_mime_filter_tohtml_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_mime_filter_get_type (),
- "CamelMimeFilterToHTML",
- sizeof (CamelMimeFilterToHTML),
- sizeof (CamelMimeFilterToHTMLClass),
- (CamelObjectClassInitFunc) camel_mime_filter_tohtml_class_init,
- NULL,
- (CamelObjectInitFunc) camel_mime_filter_tohtml_init,
- (CamelObjectFinalizeFunc) camel_mime_filter_tohtml_finalize);
- }
-
- return type;
-}
-
-static void
-camel_mime_filter_tohtml_finalize (CamelObject *obj)
-{
- CamelMimeFilterToHTML *filter = (CamelMimeFilterToHTML *) obj;
-
- camel_url_scanner_free (filter->scanner);
-}
-
-static void
-camel_mime_filter_tohtml_init (CamelMimeFilterToHTML *filter)
-{
- filter->scanner = camel_url_scanner_new ();
-
- filter->flags = 0;
- filter->colour = 0;
- filter->column = 0;
- filter->pre_open = FALSE;
-}
-
-
-static char *
-check_size (CamelMimeFilter *filter, char *outptr, char **outend, size_t len)
-{
- size_t offset;
-
- if (*outend - outptr >= len)
- return outptr;
-
- offset = outptr - filter->outbuf;
-
- camel_mime_filter_set_size (filter, filter->outsize + len, TRUE);
-
- *outend = filter->outbuf + filter->outsize;
-
- return filter->outbuf + offset;
-}
-
-static int
-citation_depth (const char *in)
-{
- register const char *inptr = in;
- int depth = 1;
-
- if (*inptr++ != '>')
- return 0;
-
- /* check that it isn't an escaped From line */
- if (!strncmp (inptr, "From", 4))
- return 0;
-
- while (*inptr != '\n') {
- if (*inptr == ' ')
- inptr++;
-
- if (*inptr++ != '>')
- break;
-
- depth++;
- }
-
- return depth;
-}
-
-static char *
-writeln (CamelMimeFilter *filter, const char *in, const char *inend, char *outptr, char **outend)
-{
- CamelMimeFilterToHTML *html = (CamelMimeFilterToHTML *) filter;
- const char *inptr = in;
-
- while (inptr < inend) {
- guint32 u;
-
- outptr = check_size (filter, outptr, outend, 16);
-
- u = camel_utf8_getc_limit ((const unsigned char **) &inptr, inend);
- switch (u) {
- case 0xffff:
- g_warning("Truncated utf8 buffer");
- return outptr;
- case '<':
- outptr = g_stpcpy (outptr, "&lt;");
- html->column++;
- break;
- case '>':
- outptr = g_stpcpy (outptr, "&gt;");
- html->column++;
- break;
- case '&':
- outptr = g_stpcpy (outptr, "&amp;");
- html->column++;
- break;
- case '"':
- outptr = g_stpcpy (outptr, "&quot;");
- html->column++;
- break;
- case '\t':
- if (html->flags & (CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES)) {
- do {
- outptr = check_size (filter, outptr, outend, 7);
- outptr = g_stpcpy (outptr, "&nbsp;");
- html->column++;
- } while (html->column % 8);
- break;
- }
- /* otherwise, FALL THROUGH */
- case ' ':
- if (html->flags & CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES
- && ((inptr == (in + 1) || *inptr == ' ' || *inptr == '\t'))) {
- outptr = g_stpcpy (outptr, "&nbsp;");
- html->column++;
- break;
- }
- /* otherwise, FALL THROUGH */
- default:
- if (u >= 20 && u <0x80)
- *outptr++ = u;
- else {
- if (html->flags & CAMEL_MIME_FILTER_TOHTML_ESCAPE_8BIT)
- *outptr++ = '?';
- else
- outptr += sprintf(outptr, "&#%u;", u);
- }
- html->column++;
- break;
- }
- }
-
- return outptr;
-}
-
-static void
-html_convert (CamelMimeFilter *filter, char *in, size_t inlen, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace, gboolean flush)
-{
- CamelMimeFilterToHTML *html = (CamelMimeFilterToHTML *) filter;
- register char *inptr, *outptr;
- char *start, *outend;
- const char *inend;
- int depth;
-
- if (inlen == 0) {
- if (html->pre_open) {
- /* close the pre-tag */
- outend = filter->outbuf + filter->outsize;
- outptr = check_size (filter, filter->outbuf, &outend, 10);
- outptr = g_stpcpy (outptr, "</pre>");
- html->pre_open = FALSE;
-
- *out = filter->outbuf;
- *outlen = outptr - filter->outbuf;
- *outprespace = filter->outpre;
- } else {
- *out = in;
- *outlen = 0;
- *outprespace = 0;
- }
-
- return;
- }
-
- camel_mime_filter_set_size (filter, inlen * 2 + 6, FALSE);
-
- inptr = in;
- inend = in + inlen;
- outptr = filter->outbuf;
- outend = filter->outbuf + filter->outsize;
-
- if (html->flags & CAMEL_MIME_FILTER_TOHTML_PRE && !html->pre_open) {
- outptr = g_stpcpy (outptr, "<pre>");
- html->pre_open = TRUE;
- }
-
- start = inptr;
- do {
- while (inptr < inend && *inptr != '\n')
- inptr++;
-
- if (inptr >= inend && !flush)
- break;
-
- html->column = 0;
- depth = 0;
-
- if (html->flags & CAMEL_MIME_FILTER_TOHTML_MARK_CITATION) {
- if ((depth = citation_depth (start)) > 0) {
- /* FIXME: we could easily support multiple colour depths here */
-
- outptr = check_size (filter, outptr, &outend, 25);
- outptr += sprintf(outptr, "<font color=\"#%06x\">", (html->colour & 0xffffff));
- } else if (*start == '>') {
- /* >From line */
- start++;
- }
- } else if (html->flags & CAMEL_MIME_FILTER_TOHTML_CITE) {
- outptr = check_size (filter, outptr, &outend, 6);
- outptr = g_stpcpy (outptr, "&gt; ");
- html->column += 2;
- }
-
-#define CONVERT_URLS (CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES)
- if (html->flags & CONVERT_URLS) {
- size_t matchlen, buflen, len;
- urlmatch_t match;
-
- len = inptr - start;
-
- do {
- if (camel_url_scanner_scan (html->scanner, start, len, &match)) {
- /* write out anything before the first regex match */
- outptr = writeln (filter, start, start + match.um_so,
- outptr, &outend);
-
- start += match.um_so;
- len -= match.um_so;
-
- matchlen = match.um_eo - match.um_so;
-
- buflen = 20 + strlen (match.prefix) + matchlen + matchlen;
- outptr = check_size (filter, outptr, &outend, buflen);
-
- /* write out the href tag */
- outptr = g_stpcpy (outptr, "<a href=\"");
- outptr = g_stpcpy (outptr, match.prefix);
- memcpy (outptr, start, matchlen);
- outptr += matchlen;
- outptr = g_stpcpy (outptr, "\">");
-
- /* now write the matched string */
- memcpy (outptr, start, matchlen);
- html->column += matchlen;
- outptr += matchlen;
- start += matchlen;
- len -= matchlen;
-
- /* close the href tag */
- outptr = g_stpcpy (outptr, "</a>");
- } else {
- /* nothing matched so write out the remainder of this line buffer */
- outptr = writeln (filter, start, start + len, outptr, &outend);
- break;
- }
- } while (len > 0);
- } else {
- outptr = writeln (filter, start, inptr, outptr, &outend);
- }
-
- if ((html->flags & CAMEL_MIME_FILTER_TOHTML_MARK_CITATION) && depth > 0) {
- outptr = check_size (filter, outptr, &outend, 8);
- outptr = g_stpcpy (outptr, "</font>");
- }
-
- if (inptr < inend) {
- if (html->flags & CAMEL_MIME_FILTER_TOHTML_CONVERT_NL) {
- outptr = check_size (filter, outptr, &outend, 5);
- outptr = g_stpcpy (outptr, "<br>");
- }
-
- *outptr++ = '\n';
- }
-
- start = ++inptr;
- } while (inptr < inend);
-
- if (flush) {
- /* flush the rest of our input buffer */
- if (start < inend)
- outptr = writeln (filter, start, inend, outptr, &outend);
-
- if (html->pre_open) {
- /* close the pre-tag */
- outptr = check_size (filter, outptr, &outend, 10);
- outptr = g_stpcpy (outptr, "</pre>");
- }
- } else if (start < inend) {
- /* backup */
- camel_mime_filter_backup (filter, start, (unsigned) (inend - start));
- }
-
- *out = filter->outbuf;
- *outlen = outptr - filter->outbuf;
- *outprespace = filter->outpre;
-}
-
-static void
-filter_filter (CamelMimeFilter *filter, char *in, size_t len, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace)
-{
- html_convert (filter, in, len, prespace, out, outlen, outprespace, FALSE);
-}
-
-static void
-filter_complete (CamelMimeFilter *filter, char *in, size_t len, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace)
-{
- html_convert (filter, in, len, prespace, out, outlen, outprespace, TRUE);
-}
-
-static void
-filter_reset (CamelMimeFilter *filter)
-{
- CamelMimeFilterToHTML *html = (CamelMimeFilterToHTML *) filter;
-
- html->column = 0;
- html->pre_open = FALSE;
-}
-
-static void
-camel_mime_filter_tohtml_class_init (CamelMimeFilterToHTMLClass *klass)
-{
- CamelMimeFilterClass *filter_class = (CamelMimeFilterClass *) klass;
-
- camel_mime_filter_tohtml_parent = CAMEL_MIME_FILTER_CLASS (camel_type_get_global_classfuncs (camel_mime_filter_get_type ()));
-
- filter_class->reset = filter_reset;
- filter_class->filter = filter_filter;
- filter_class->complete = filter_complete;
-}
-
-
-/**
- * camel_mime_filter_tohtml_new:
- * @flags:
- * @colour:
- *
- * Creates a new CamelMimeFilterToHTML object.
- *
- * Returns a new CamelMimeFilter object.
- **/
-CamelMimeFilter *
-camel_mime_filter_tohtml_new (guint32 flags, guint32 colour)
-{
- CamelMimeFilterToHTML *new;
- int i;
-
- new = CAMEL_MIME_FILTER_TOHTML (camel_object_new (camel_mime_filter_tohtml_get_type ()));
-
- new->flags = flags;
- new->colour = colour;
-
- for (i = 0; i < NUM_URL_PATTERNS; i++) {
- if (patterns[i].mask & flags)
- camel_url_scanner_add (new->scanner, &patterns[i].pattern);
- }
-
- return CAMEL_MIME_FILTER (new);
-}
-
-
-char *
-camel_text_to_html (const char *in, guint32 flags, guint32 colour)
-{
- CamelMimeFilter *filter;
- size_t outlen, outpre;
- char *outbuf;
-
- g_return_val_if_fail (in != NULL, NULL);
-
- filter = camel_mime_filter_tohtml_new (flags, colour);
-
- camel_mime_filter_complete (filter, (char *) in, strlen (in), 0,
- &outbuf, &outlen, &outpre);
-
- outbuf = g_strndup (outbuf, outlen);
-
- camel_object_unref (filter);
-
- return outbuf;
-}
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