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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* queryparser.cc
*
* Tue May 6 17:02:37 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* 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 "queryparser.h"
#include <stdio.h>
QueryParser::QueryParser()
{
this->timestamp = 0;
p = 0;
stack.push_back(&result);
}
void QueryParser::startTag(std::string name, std::map< std::string, std::string> attributes)
{
if(name == "results") {
// What to do here!?
}
if(name == "result") {
this->timestamp = atol(attributes["timestamp"].c_str());
QueryResult q;
q.source = "pentominos";
q.timestamp = this->timestamp;
stack.back()->groups[attributes["class"]] = q;
stack.push_back(&stack.back()->groups[attributes["class"]]);
}
if(name == "group") {
QueryResult q;
q.timestamp = this->timestamp;
stack.back()->groups[attributes["name"]] = q;
stack.push_back(&stack.back()->groups[attributes["name"]]);
}
if(name == "value") {
stack.back()->values[attributes["name"]] = utf8.decode(attributes["value"]);
}
}
void QueryParser::endTag(std::string name)
{
if(name == "group" || name == "result") stack.pop_back();
}
void QueryParser::parseError(const char *buf, size_t len, std::string error, int lineno)
{
fprintf(stderr, "QueryParser error at line %d: %s\n", lineno, error.c_str());
fprintf(stderr, "\tBuffer %u bytes: [", len);
if(fwrite(buf, len, 1, stderr) != len) {}
fprintf(stderr, "]\n");
fflush(stderr);
char *slineno;
if(asprintf(&slineno, " at line %d\n", lineno) != -1) {
throw Exception(error + slineno);
free(slineno);
}
}
#ifdef TEST_QUERYPARSER
#include <string.h>
static char xml[] =
"<?xml version='1.0' encoding='UTF-8'?>\n"
"<results>\n"
" <result class=\"testclass\" timestamp=\"1234567890\">\n"
" <group name=\"testgroup\">\n"
" <value name=\"testvalue\" value=\"42\"/>\n"
" <value name=\"anothertestvalue\" value=\"42\"/>\n"
" </group>\n"
" <group name=\"anothertestgroup\">\n"
" <value name=\"testvalue\" value=\"42\"/>\n"
" <value name=\"anothertestvalue\" value=\"42\"/>\n"
" </group>\n"
" </result>\n"
" <result class=\"anothertestclass\" timestamp=\"1234567890\">\n"
" <group name=\"testgroup\">\n"
" <value name=\"testvalue\" value=\"42\"/>\n"
" <value name=\"anothertestvalue\" value=\"42\"/>\n"
" </group>\n"
" <group name=\"anothertestgroup\">\n"
" <value name=\"testvalue\" value=\"42\"/>\n"
" <value name=\"anothertestvalue\" value=\"42\"/>\n"
" </group>\n"
" </result>\n"
"</results>\n"
;
static char badxml[] =
"<?xml version='1.0' encoding='UTF-8'?>\n"
"<results>\n"
"</sulrets>\n"
;
static std::string loadresultstring(QueryResult &res, std::string group = "")
{
std::string s;
std::map< std::string, std::string >::iterator v = res.values.begin();
while(v != res.values.end()) {
s += group + (*v).first + " = \"" + (*v).second + "\"\n";
v++;
}
std::map< std::string, QueryResult >::iterator g = res.groups.begin();
while(g != res.groups.end()) {
s += group + (*g).first + " = {}\n";
s += loadresultstring((*g).second, group + (*g).first + ".");
g++;
}
return s;
}
int main()
{
// Parse something
{
QueryParser parser;
parser.parse(xml, strlen(xml));
printf("%s\n", loadresultstring(parser.result).c_str());
}
// Parse something, and fail!
try {
QueryParser parser;
parser.parse(badxml, strlen(badxml));
printf("%s\n", loadresultstring(parser.result).c_str());
} catch(Exception &e) {
printf("ERROR: %s\n", e.what());
goto weitergehen;
}
return 1;
weitergehen:
return 0;
}
#endif/*TEST_QUERYPARSER*/
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