Removed. Back to the fiery depths of hell from whence ye came!

2002-12-16  Jeffrey Stedfast  <fejj@ximian.com>

	* e-html-utils.[c,h]: Removed. Back to the fiery depths of hell
	from whence ye came!

svn path=/trunk/; revision=19130

1 files changed, 0 insertions, 408 deletions

diff --git a/e-util/e-html-utils.c b/e-util/e-html-utils.c
deleted file mode 100644
index 12aee18d2b..0000000000
--- a/e-util/e-html-utils.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* e-html-utils.c
- * Copyright (C) 2000  Ximian, Inc.
- * Author: Dan Winship <danw@ximian.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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 library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
-#include <glib.h>
-
-#include "e-html-utils.h"
-
-static char *
-check_size (char **buffer, int *buffer_size, char *out, int len)
-{
-	if (out + len + 1> *buffer + *buffer_size) {
-		int index = out - *buffer;
-
-		*buffer_size = MAX (index + len + 1, *buffer_size * 2);
-		*buffer = g_realloc (*buffer, *buffer_size);
-		out = *buffer + index;
-	}
-	return out;
-}
-
-/* 1 = non-email-address chars: ()<>@,;:\"[]`'{}| */
-/* 2 = trailing url garbage:    ,.!?;:>)]}`'-_|   */
-/* 4 = dns chars                                  */
-static int special_chars[] = {
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,    /*  nul - 0x0f */
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,    /* 0x10 - 0x1f */
-	1, 2, 1, 0, 0, 0, 0, 3, 1, 3, 0, 0, 3, 6, 6, 0,    /*   sp - /    */
-	4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 0, 3, 2,    /*    0 - ?    */
-	1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,    /*    @ - O    */
-	4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 3, 0, 2,    /*    P - _    */
-	3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,    /*    ` - o    */
-	4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 3, 3, 0, 3     /*    p - del  */
-};
-
-#define is_addr_char(c) (c < 128 && !(special_chars[c] & 1))
-#define is_trailing_garbage(c) (c > 127 || (special_chars[c] & 2))
-#define is_domain_name_char(c) (c < 128 && (special_chars[c] & 4))
-
-static char *
-url_extract (const unsigned char **text, gboolean check)
-{
-	const unsigned char *end = *text, *p;
-	char *out;
-
-	while (*end && !isspace (*end) && (*end != '"') && (*end < 0x80))
-		end++;
-
-	/* Back up if we probably went too far. */
-	while (end > *text && is_trailing_garbage (*(end - 1)))
-		end--;
-
-	if (check) {
-		/* Make sure we weren't fooled. */
-		p = memchr (*text, ':', end - *text);
-		if (!p || end - p < 4)
-			return NULL;
-	}
-
-	out = g_strndup (*text, end - *text);
-	*text = end;
-	return out;
-}
-
-static char *
-email_address_extract (const unsigned char **cur, char **out, const unsigned char *linestart)
-{
-	const unsigned char *start, *end, *dot;
-	char *addr;
-
-	/* *cur points to the '@'. Look backward for a valid local-part */
-	for (start = *cur; start - 1 >= linestart && is_addr_char (*(start - 1)); start--)
-		;
-	if (start == *cur)
-		return NULL;
-
-	/* Now look forward for a valid domain part */
-	for (end = *cur + 1, dot = NULL; is_domain_name_char (*end); end++) {
-		if (*end == '.' && !dot)
-			dot = end;
-	}
-	if (!dot)
-		return NULL;
-
-	/* Remove trailing garbage */
-	while (is_trailing_garbage (*(end - 1)))
-		end--;
-	if (dot > end)
-		return NULL;
-
-	addr = g_strndup (start, end - start);
-	*out -= *cur - start;
-	*cur = end;
-
-	return addr;
-}
-
-static gboolean
-is_citation (const unsigned char *c, gboolean saw_citation)
-{
-	const unsigned char *p;
-
-	if (*c != '>')
-		return FALSE;
-
-	/* A line that starts with a ">" is a citation, unless it's
-	 * just mbox From-mangling...
-	 */
-	if (strncmp (c, ">From ", 6) != 0)
-		return TRUE;
-
-	/* If the previous line was a citation, then say this
-	 * one is too.
-	 */
-	if (saw_citation)
-		return TRUE;
-
-	/* Same if the next line is */
-	p = (const unsigned char *)strchr ((const char *)c, '\n');
-	if (p && *++p == '>')
-		return TRUE;
-
-	/* Otherwise, it was just an isolated ">From" line. */
-	return FALSE;
-}
-
-/**
- * e_text_to_html_full:
- * @input: a NUL-terminated input buffer
- * @flags: some combination of the E_TEXT_TO_HTML_* flags defined
- * in e-html-utils.h
- * @color: color for citation highlighting
- *
- * This takes a buffer of text as input and produces a buffer of
- * "equivalent" HTML, subject to certain transformation rules.
- *
- * The set of possible flags is:
- *
- *   - E_TEXT_TO_HTML_PRE: wrap the output HTML in <PRE> and </PRE>.
- *     Should only be used if @input is the entire buffer to be
- *     converted. If e_text_to_html is being called with small pieces
- *     of data, you should wrap the entire result in <PRE> yourself.
- *
- *   - E_TEXT_TO_HTML_CONVERT_NL: convert "\n" to "<BR>\n" on output.
- *     (should not be used with E_TEXT_TO_HTML_PRE, since that would
- *     result in double-newlines).
- *
- *   - E_TEXT_TO_HTML_CONVERT_SPACES: convert a block of N spaces
- *     into N-1 non-breaking spaces and one normal space. A space
- *     at the start of the buffer is always converted to a
- *     non-breaking space, regardless of the following character,
- *     which probably means you don't want to use this flag on
- *     pieces of data that aren't delimited by at least line breaks.
- *
- *     If E_TEXT_TO_HTML_CONVERT_NL and E_TEXT_TO_HTML_CONVERT_SPACES
- *     are both defined, then TABs will also be converted to spaces.
- *
- *   - E_TEXT_TO_HTML_CONVERT_URLS: wrap <a href="..."> </a> around
- *     strings that look like URLs.
- *
- *   - E_TEXT_TO_HTML_CONVERT_ADDRESSES: wrap <a href="mailto:..."> </a> around
- *     strings that look like mail addresses.
- *
- *   - E_TEXT_TO_HTML_MARK_CITATION: wrap <font color="..."> </font> around
- *     citations (lines beginning with "> ", etc).
- *
- *   - E_TEXT_TO_HTML_ESCAPE_8BIT: flatten everything to US-ASCII
- *
- *   - E_TEXT_TO_HTML_CITE: quote the text with "> " at the start of each
- *     line.
- **/
-char *
-e_text_to_html_full (const char *input, unsigned int flags, guint32 color)
-{
-	const unsigned char *cur, *next, *linestart;
-	char *buffer = NULL;
-	char *out = NULL;
-	int buffer_size = 0, col;
-	gboolean colored = FALSE, saw_citation = FALSE;
-
-	/* Allocate a translation buffer.  */
-	buffer_size = strlen (input) * 2 + 5;
-	buffer = g_malloc (buffer_size);
-
-	out = buffer;
-	if (flags & E_TEXT_TO_HTML_PRE)
-		out += sprintf (out, "<PRE>");
-
-	col = 0;
-
-	for (cur = linestart = input; cur && *cur; cur = next) {
-		gunichar u;
-
-		if (flags & E_TEXT_TO_HTML_MARK_CITATION && col == 0) {
-			saw_citation = is_citation (cur, saw_citation);
-			if (saw_citation) {
-				if (!colored) {
-					gchar font [25];
-
-					g_snprintf (font, 25, "<FONT COLOR=\"#%06x\">", color);
-
-					out = check_size (&buffer, &buffer_size, out, 25);
-					out += sprintf (out, "%s", font);
-					colored = TRUE;
-				}
-			} else if (colored) {
-				gchar *no_font = "</FONT>";
-
-				out = check_size (&buffer, &buffer_size, out, 9);
-				out += sprintf (out, "%s", no_font);
-				colored = FALSE;
-			}
-
-			/* Display mbox-mangled ">From" as "From" */
-			if (*cur == '>' && !saw_citation)
-				cur++;
-		} else if (flags & E_TEXT_TO_HTML_CITE && col == 0) {
-			out = check_size (&buffer, &buffer_size, out, 5);
-			out += sprintf (out, "&gt; ");
-		}
-
-		u = g_utf8_get_char (cur);
-		if (g_unichar_isalpha (u) &&
-		    (flags & E_TEXT_TO_HTML_CONVERT_URLS)) {
-			char *tmpurl = NULL, *refurl = NULL, *dispurl = NULL;
-
-			if (!strncasecmp (cur, "http://", 7) ||
-			    !strncasecmp (cur, "https://", 8) ||
-			    !strncasecmp (cur, "ftp://", 6) ||
-			    !strncasecmp (cur, "nntp://", 7) ||
-			    !strncasecmp (cur, "mailto:", 7) ||
-			    !strncasecmp (cur, "news:", 5) ||
-			    !strncasecmp (cur, "file:", 5)) {
-				tmpurl = url_extract (&cur, TRUE);
-				if (tmpurl) {
-					refurl = e_text_to_html (tmpurl, 0);
-					dispurl = g_strdup (refurl);
-				}
-			} else if (!strncasecmp (cur, "www.", 4) &&
-				   (*(cur + 4) < 0x80) &&
-				   g_unichar_isalnum (*(cur + 4))) {
-				tmpurl = url_extract (&cur, FALSE);
-				dispurl = e_text_to_html (tmpurl, 0);
-				refurl = g_strdup_printf ("http://%s",
-							  dispurl);
-			}
-
-			if (tmpurl) {
-				out = check_size (&buffer, &buffer_size, out,
-						  strlen (refurl) +
-						  strlen (dispurl) + 15);
-				out += sprintf (out,
-						"<a href=\"%s\">%s</a>",
-						refurl, dispurl);
-				col += strlen (tmpurl);
-				g_free (tmpurl);
-				g_free (refurl);
-				g_free (dispurl);
-			}
-
-			if (!*cur)
-				break;
-			u = g_utf8_get_char (cur);
-		}
-
-		if (u == '@' && (flags & E_TEXT_TO_HTML_CONVERT_ADDRESSES)) {
-			char *addr, *dispaddr, *outaddr;
-
-			addr = email_address_extract (&cur, &out, linestart);
-			if (addr) {
-				dispaddr = e_text_to_html (addr, 0);
-				outaddr = g_strdup_printf ("<a href=\"mailto:%s\">%s</a>",
-							   addr, dispaddr);
-				out = check_size (&buffer, &buffer_size, out, strlen (outaddr));
-				out += sprintf (out, "%s", outaddr);
-				col += strlen (addr);
-				g_free (addr);
-				g_free (dispaddr);
-				g_free (outaddr);
-
-				if (!*cur)
-					break;
-				u = g_utf8_get_char (cur);
-			}
-		}
-
-		if (!g_unichar_validate (u)) {
-			/* Sigh. Someone sent undeclared 8-bit data.
-			 * Assume it's iso-8859-1.
-			 */
-			u = *cur;
-			next = cur + 1;
-		} else
-			next = g_utf8_next_char (cur);
-
-		out = check_size (&buffer, &buffer_size, out, 10);
-
-		switch (u) {
-		case '<':
-			strcpy (out, "&lt;");
-			out += 4;
-			col++;
-			break;
-
-		case '>':
-			strcpy (out, "&gt;");
-			out += 4;
-			col++;
-			break;
-
-		case '&':
-			strcpy (out, "&amp;");
-			out += 5;
-			col++;
-			break;
-
-		case '"':
-			strcpy (out, "&quot;");
-			out += 6;
-			col++;
-			break;
-
-		case '\n':
-			if (flags & E_TEXT_TO_HTML_CONVERT_NL) {
-				strcpy (out, "<br>");
-				out += 4;
-			}
-			*out++ = *cur;
-			linestart = cur;
-			col = 0;
-			break;
-
-		case '\t':
-			if (flags & (E_TEXT_TO_HTML_CONVERT_SPACES |
-				     E_TEXT_TO_HTML_CONVERT_NL)) {
-				do {
-					out = check_size (&buffer, &buffer_size,
-						    out, 7);
-					strcpy (out, "&nbsp;");
-					out += 6;
-					col++;
-				} while (col % 8);
-				break;
-			}
-			/* otherwise, FALL THROUGH */
-
-		case ' ':
-			if (flags & E_TEXT_TO_HTML_CONVERT_SPACES) {
-				if (cur == (const unsigned char *)input ||
-				    *(cur + 1) == ' ' || *(cur + 1) == '\t' ||
-				    *(cur - 1) == '\n') {
-					strcpy (out, "&nbsp;");
-					out += 6;
-					col++;
-					break;
-				}
-			}
-			/* otherwise, FALL THROUGH */
-
-		default:
-			if ((u >= 0x20 && u < 0x80) ||
-			    (u == '\r' || u == '\t')) {
-				/* Default case, just copy. */
-				*out++ = u;
-			} else {
-				if (flags & E_TEXT_TO_HTML_ESCAPE_8BIT)
-					*out++ = '?';
-				else
-					out += g_snprintf(out, 9, "&#%d;", u);
-			}
-			col++;
-			break;
-		}
-	}
-
-	out = check_size (&buffer, &buffer_size, out, 7);
-	if (flags & E_TEXT_TO_HTML_PRE)
-		strcpy (out, "</PRE>");
-	else
-		*out = '\0';
-
-	return buffer;
-}
-
-char *
-e_text_to_html (const char *input, unsigned int flags)
-{
-	return e_text_to_html_full (input, flags, 0);
-}