зеркало из https://github.com/mozilla/pjs.git
170 строки
5.2 KiB
C++
170 строки
5.2 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "mimecal.h"
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#include "xp_core.h"
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#include "xp_mem.h"
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#include "prmem.h"
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#include "plstr.h"
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#include "mimexpcom.h"
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#include "mimecth.h"
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#include "mimeobj.h"
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#include "nsCRT.h"
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static int MimeInlineTextCalendar_parse_line (char *, PRInt32, MimeObject *);
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static int MimeInlineTextCalendar_parse_eof (MimeObject *, PRBool);
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static int MimeInlineTextCalendar_parse_begin (MimeObject *obj);
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extern "C" int CAL_OUT_OF_MEMORY = -1000;
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/*
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* These functions are the public interface for this content type
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* handler and will be called in by the mime component.
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*/
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#define CAL_CONTENT_TYPE "text/calendar"
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/* This is the object definition. Note: we will set the superclass
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to NULL and manually set this on the class creation */
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MimeDefClass(MimeInlineTextCalendar, MimeInlineTextCalendarClass,
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mimeInlineTextCalendarClass, NULL);
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extern "C" char *
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MIME_GetContentType(void)
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{
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return CAL_CONTENT_TYPE;
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}
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extern "C" MimeObjectClass *
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MIME_CreateContentTypeHandlerClass(const char *content_type,
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contentTypeHandlerInitStruct *initStruct)
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{
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MimeObjectClass *clazz = (MimeObjectClass *)&mimeInlineTextCalendarClass;
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/*
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* Must set the superclass by hand.
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*/
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if (!COM_GetmimeInlineTextClass())
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return NULL;
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clazz->superclass = (MimeObjectClass *)COM_GetmimeInlineTextClass();
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initStruct->force_inline_display = PR_FALSE;
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return clazz;
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}
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static int
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MimeInlineTextCalendarClassInitialize(MimeInlineTextCalendarClass *clazz)
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{
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MimeObjectClass *oclass = (MimeObjectClass *) clazz;
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PR_ASSERT(!oclass->class_initialized);
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oclass->parse_begin = MimeInlineTextCalendar_parse_begin;
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oclass->parse_line = MimeInlineTextCalendar_parse_line;
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oclass->parse_eof = MimeInlineTextCalendar_parse_eof;
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return 0;
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}
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int
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mime_TranslateCalendar(char* caldata, char** html)
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{
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*html = nsCRT::strdup("\
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<text=\"#000000\" bgcolor=\"#FFFFFF\" link=\"#FF0000\" vlink=\"#800080\" alink=\"#0000FF\">\
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<center><table BORDER=1 BGCOLOR=\"#CCFFFF\" ><tr>\
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<td>This libmime Content Type Handler plugin for the Content-Type <b>text/calendar\
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</b> is functional!</td>\
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</tr>\
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</table></center>");
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return 0;
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}
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static int
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MimeInlineTextCalendar_parse_begin(MimeObject *obj)
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{
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MimeInlineTextCalendarClass *clazz;
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int status = ((MimeObjectClass*)COM_GetmimeLeafClass())->parse_begin(obj);
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if (status < 0) return status;
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if (!obj->output_p) return 0;
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if (!obj->options || !obj->options->write_html_p) return 0;
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/* This is a fine place to write out any HTML before the real meat begins. */
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clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
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/* initialize buffered string to empty; */
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clazz->bufferlen = 0;
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clazz->buffermax = 512;
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clazz->buffer = (char*) PR_MALLOC(clazz->buffermax);
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if (clazz->buffer == NULL) return CAL_OUT_OF_MEMORY;
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return 0;
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}
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static int
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MimeInlineTextCalendar_parse_line(char *line, PRInt32 length, MimeObject *obj)
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{
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/*
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* This routine gets fed each line of data, one at a time. We just buffer
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* it all up, to be dealt with all at once at the end.
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*/
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MimeInlineTextCalendarClass *clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
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if (!obj->output_p) return 0;
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if (!obj->options || !obj->options->output_fn) return 0;
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if (!obj->options->write_html_p) {
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return COM_MimeObject_write(obj, line, length, TRUE);
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}
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if (clazz->bufferlen + length >= clazz->buffermax) {
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do {
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clazz->buffermax += 512;
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} while (clazz->bufferlen + length >= clazz->buffermax);
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clazz->buffer = (char *)PR_Realloc(clazz->buffer, clazz->buffermax);
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if (clazz->buffer == NULL) return CAL_OUT_OF_MEMORY;
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}
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nsCRT::memcpy(clazz->buffer + clazz->bufferlen, line, length);
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clazz->bufferlen += length;
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return 0;
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}
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static int
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MimeInlineTextCalendar_parse_eof (MimeObject *obj, PRBool abort_p)
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{
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int status = 0;
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MimeInlineTextCalendarClass *clazz = ((MimeInlineTextCalendarClass *) obj->clazz);
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char* html = NULL;
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if (obj->closed_p) return 0;
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/* Run parent method first, to flush out any buffered data. */
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status = ((MimeObjectClass*)COM_GetmimeInlineTextClass())->parse_eof(obj, abort_p);
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if (status < 0) return status;
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if (!clazz->buffer || clazz->bufferlen == 0) return 0;
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clazz->buffer[clazz->bufferlen] = '\0';
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status = mime_TranslateCalendar(clazz->buffer, &html);
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PR_Free(clazz->buffer);
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clazz->buffer = NULL;
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if (status < 0) return status;
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status = COM_MimeObject_write(obj, html, PL_strlen(html), TRUE);
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PR_Free(html);
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if (status < 0) return status;
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return 0;
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}
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