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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* xmlparser.cc
*
* Fri Aug 31 09:30:06 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng, Lars Bisballe Jensen and Peter Skaarup
* deva@aasimon.org, elsenator@gmail.com and piparum@piparum.dk
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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.
*
* Pracro 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 Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "xmlparser.h"
#include <stdio.h>
#include <string.h>
#include <expat.h>
#include <string>
#include <map>
bool done = false;
void start_hndl(void *p, const char *el, const char **attr)
{
Transaction *transaction = (Transaction*)XML_GetUserData(p);
// printf("Start tag [%s]\n", el);
// Convert to comfy C++ values...
std::string name = el;
std::map< std::string, std::string > attributes;
while(*attr) {
std::string at_name = *attr;
attr++;
std::string at_value = *attr;
attr++;
attributes.insert(make_pair(at_name, at_value));
}
/*
std::map< std::string, std::string >::iterator i = attributes.begin();
while(i != attributes.end()) {
printf("%s=%s\n", i->first.c_str(), i->second.c_str());
i++;
}
*/
// Do something reasonable with them...
if(name == "pracro") {
transaction->cpr = attributes["cpr"];
transaction->version = attributes["version"];
}
if(name == "request") {
Request r;
r.macro = attributes["macro"];
transaction->requests.push_back(r);
}
if(name == "commit") {
Commit c;
c.user = attributes["user"];
c.macro = attributes["macro"];
c.version = attributes["version"];
transaction->commits.push_back(c);
}
if(name == "field") {
Field f;
f.name = attributes["name"];
f.value = attributes["value"];
transaction->commits.back().fields.push_back(f);
}
}
void end_hndl(void *p, const char *el)
{
// printf("End tag [%s]\n", el);
if(!strcmp(el, "pracro")) done = true;
}
void parse(TCPSocket &socket, Transaction &transaction)
{
XML_Parser p = XML_ParserCreate(NULL);
if (! p) {
fprintf(stderr, "Couldn't allocate memory for parser\n");
// throw Exception(...);
return;
}
XML_SetUserData(p, &transaction);
XML_UseParserAsHandlerArg(p);
XML_SetElementHandler(p, start_hndl, end_hndl);
while(!done) {
char buf[32];
int len;
memset(buf, 0, sizeof(buf));
len = socket.read(buf, sizeof(buf) - 1);
done = len == 0;
if (! XML_Parse(p, buf, len, done)) {
fprintf(stderr, "Parse error at line %d:\n%s\n",
XML_GetCurrentLineNumber(p),
XML_ErrorString(XML_GetErrorCode(p)));
// throw Exception(...);
return;
}
}
// printf("%d requests\n", transaction.requests.size());
}
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