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Diffstat (limited to 'server/src/queryparser.cc')
| -rw-r--r-- | server/src/queryparser.cc | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/server/src/queryparser.cc b/server/src/queryparser.cc new file mode 100644 index 0000000..db562ae --- /dev/null +++ b/server/src/queryparser.cc @@ -0,0 +1,168 @@ +/* -*- 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" + +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*/ |