/* -*- mode:c++;c-basic-offset:2 -*- */
/* --------------------------------------------------------------------
* Filename:
* mime-parseonlyheader.cc
*
* Description:
* Implementation of main mime parser components
* --------------------------------------------------------------------
* Copyright 2002-2005 Andreas Aardal Hanssen
*
* 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 "mime.h"
#include "mime-utils.h"
#include "mime-inputsource.h"
#include "convert.h"
#include <string>
#include <vector>
#include <map>
#include <exception>
#include <iostream>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <errno.h>
#ifndef NO_NAMESPACES
using namespace ::std;
#endif /* NO_NAMESPACES */
//------------------------------------------------------------------------
void Binc::MimeDocument::parseOnlyHeader(int fd)
{
if (allIsParsed || headerIsParsed)
return;
headerIsParsed = true;
delete doc_mimeSource;
doc_mimeSource = new MimeInputSource(fd);
headerstartoffsetcrlf = 0;
headerlength = 0;
bodystartoffsetcrlf = 0;
bodylength = 0;
messagerfc822 = false;
multipart = false;
nlines = 0;
nbodylines = 0;
doParseOnlyHeader(doc_mimeSource, "");
}
void Binc::MimeDocument::parseOnlyHeader(istream& s)
{
if (allIsParsed || headerIsParsed)
return;
headerIsParsed = true;
delete doc_mimeSource;
doc_mimeSource = new MimeInputSourceStream(s);
headerstartoffsetcrlf = 0;
headerlength = 0;
bodystartoffsetcrlf = 0;
bodylength = 0;
messagerfc822 = false;
multipart = false;
nlines = 0;
nbodylines = 0;
doParseOnlyHeader(doc_mimeSource, "");
}
//------------------------------------------------------------------------
int Binc::MimePart::doParseOnlyHeader(MimeInputSource *ms,
const string &toboundary)
{
mimeSource = ms;
string name;
string content;
char cqueue[4];
memset(cqueue, 0, sizeof(cqueue));
headerstartoffsetcrlf = mimeSource->getOffset();
bool quit = false;
char c = '\0';
while (!quit) {
// read name
while (1) {
if (!mimeSource->getChar(&c)) {
quit = true;
break;
}
if (c == '\n') ++nlines;
if (c == ':') break;
if (c == '\n') {
for (int i = name.length() - 1; i >= 0; --i)
mimeSource->ungetChar();
quit = true;
name.clear();
break;
}
name += c;
if (name.length() == 2 && name.substr(0, 2) == "\r\n") {
name.clear();
quit = true;
break;
}
}
if (name.length() == 1 && name[0] == '\r') {
name.clear();
break;
}
if (quit) break;
while (!quit) {
if (!mimeSource->getChar(&c)) {
quit = true;
break;
}
if (c == '\n') ++nlines;
for (int i = 0; i < 3; ++i)
cqueue[i] = cqueue[i + 1];
cqueue[3] = c;
if (strncmp(cqueue, "\r\n\r\n", 4) == 0) {
quit = true;
break;
}
if (cqueue[2] == '\n') {
// guess the mime rfc says what can not appear on the beginning
// of a line.
if (!isspace(cqueue[3])) {
if (content.length() > 2)
content.resize(content.length() - 2);
trim(content);
h.add(name, content);
name = c;
content.clear();
break;
}
}
content += c;
}
}
if (name != "") {
if (content.length() > 2)
content.resize(content.length() - 2);
h.add(name, content);
}
headerlength = mimeSource->getOffset() - headerstartoffsetcrlf;
return 1;
}