RetroZilla/mailnews/mime/cthandlers/calendar/mimecal.cpp

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mimecal.h"
#include "prmem.h"
#include "plstr.h"
#include "mimexpcom.h"
#include "mimecth.h"
#include "mimeobj.h"
#include "nsCRT.h"
static int MimeInlineTextCalendar_parse_line (char *, PRInt32, MimeObject *);
static int MimeInlineTextCalendar_parse_eof (MimeObject *, PRBool);
static int MimeInlineTextCalendar_parse_begin (MimeObject *obj);
extern "C" int CAL_OUT_OF_MEMORY = -1000;
/* This is the object definition. Note: we will set the superclass
to NULL and manually set this on the class creation */
MimeDefClass(MimeInlineTextCalendar, MimeInlineTextCalendarClass,
mimeInlineTextCalendarClass, NULL);
extern "C" MimeObjectClass *
MIME_CalendarCreateContentTypeHandlerClass(const char *content_type,
contentTypeHandlerInitStruct *initStruct)
{
MimeObjectClass *clazz = (MimeObjectClass *)&mimeInlineTextCalendarClass;
/*
* Must set the superclass by hand.
*/
if (!COM_GetmimeInlineTextClass())
return NULL;
clazz->superclass = (MimeObjectClass *)COM_GetmimeInlineTextClass();
initStruct->force_inline_display = PR_TRUE;
return clazz;
}
static int
MimeInlineTextCalendarClassInitialize(MimeInlineTextCalendarClass *clazz)
{
MimeObjectClass *oclass = (MimeObjectClass *) clazz;
NS_ASSERTION(!oclass->class_initialized, "1.1 <rhp@netscape.com> 19 Mar 1999 12:01");
oclass->parse_begin = MimeInlineTextCalendar_parse_begin;
oclass->parse_line = MimeInlineTextCalendar_parse_line;
oclass->parse_eof = MimeInlineTextCalendar_parse_eof;
return 0;
}
int
mime_TranslateCalendar(char* caldata, char** html)
{
*html = nsCRT::strdup("\
<text=\"#000000\" bgcolor=\"#FFFFFF\" link=\"#FF0000\" vlink=\"#800080\" alink=\"#0000FF\">\
<center><table BORDER=1 BGCOLOR=\"#CCFFFF\" ><tr>\
<td>This libmime Content Type Handler plugin for the Content-Type <b>text/calendar\
</b> is functional!</td>\
</tr>\
</table></center>");
return 0;
}
static int
MimeInlineTextCalendar_parse_begin(MimeObject *obj)
{
MimeInlineTextCalendarClass *clazz;
int status = ((MimeObjectClass*)COM_GetmimeLeafClass())->parse_begin(obj);
if (status < 0) return status;
if (!obj->output_p) return 0;
if (!obj->options || !obj->options->write_html_p) return 0;
/* This is a fine place to write out any HTML before the real meat begins. */
clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
/* initialize buffered string to empty; */
clazz->bufferlen = 0;
clazz->buffermax = 512;
clazz->buffer = (char*) PR_MALLOC(clazz->buffermax);
if (clazz->buffer == NULL) return CAL_OUT_OF_MEMORY;
return 0;
}
static int
MimeInlineTextCalendar_parse_line(char *line, PRInt32 length, MimeObject *obj)
{
/*
* This routine gets fed each line of data, one at a time. We just buffer
* it all up, to be dealt with all at once at the end.
*/
MimeInlineTextCalendarClass *clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
if (!obj->output_p) return 0;
if (!obj->options || !obj->options->output_fn) return 0;
if (!obj->options->write_html_p) {
return COM_MimeObject_write(obj, line, length, PR_TRUE);
}
if (clazz->bufferlen + length >= clazz->buffermax) {
do {
clazz->buffermax += 512;
} while (clazz->bufferlen + length >= clazz->buffermax);
clazz->buffer = (char *)PR_Realloc(clazz->buffer, clazz->buffermax);
if (clazz->buffer == NULL) return CAL_OUT_OF_MEMORY;
}
memcpy(clazz->buffer + clazz->bufferlen, line, length);
clazz->bufferlen += length;
return 0;
}
static int
MimeInlineTextCalendar_parse_eof (MimeObject *obj, PRBool abort_p)
{
int status = 0;
MimeInlineTextCalendarClass *clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
char* html = NULL;
if (obj->closed_p) return 0;
/* Run parent method first, to flush out any buffered data. */
status = ((MimeObjectClass*)COM_GetmimeInlineTextClass())->parse_eof(obj, abort_p);
if (status < 0) return status;
if (!clazz->buffer || clazz->bufferlen == 0) return 0;
clazz->buffer[clazz->bufferlen] = '\0';
status = mime_TranslateCalendar(clazz->buffer, &html);
PR_Free(clazz->buffer);
clazz->buffer = NULL;
if (status < 0) return status;
status = COM_MimeObject_write(obj, html, PL_strlen(html), PR_TRUE);
PR_Free(html);
if (status < 0) return status;
return 0;
}