From new_protocol branch.

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*/