2009-05-15 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

	Added ExpatXmlRpcRequestProcessor
	* src/ExpatXmlRpcRequestProcessor.cc
	* src/ExpatXmlRpcRequestProcessor.h
	* src/Makefile.am

1 files changed, 121 insertions, 0 deletions

diff --git a/src/ExpatXmlRpcRequestProcessor.cc b/src/ExpatXmlRpcRequestProcessor.cc
new file mode 100644
index 00000000..a86e8049
--- /dev/null
+++ b/src/ExpatXmlRpcRequestProcessor.cc
@@ -0,0 +1,121 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2009 Tatsuhiro Tsujikawa
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL.  If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so.  If you
+ * do not wish to do so, delete this exception statement from your
+ * version.  If you delete this exception statement from all source
+ * files in the program, then also delete it here.
+ */
+/* copyright --> */
+#include "ExpatXmlRpcRequestProcessor.h"
+
+#include <stack>
+
+#include <expat.h>
+
+#include "XmlRpcRequestParserStateMachine.h"
+#include "Util.h"
+#include "DlAbortEx.h"
+
+namespace aria2 {
+
+namespace xmlrpc {
+
+struct SessionData {
+  XmlRpcRequestParserStateMachine* _stm;
+
+  std::stack<std::string> _charactersStack;
+
+  SessionData(XmlRpcRequestParserStateMachine* stm):_stm(stm) {}
+};
+
+static void mlStartElement(void* userData, const char* name, const char** attrs)
+{
+  SessionData* sd = reinterpret_cast<SessionData*>(userData);
+
+  std::map<std::string, std::string> attrmap;
+  if(attrs) {
+    const char** p = attrs;
+    while(*p != 0) {
+      std::string name = *p++;
+      if(*p == 0) {
+	break;
+      }
+      std::string value = Util::trim(*p++);
+      attrmap[name] = value;
+    }
+  }
+  sd->_stm->beginElement(name, attrmap);
+  if(sd->_stm->needsCharactersBuffering()) {
+    sd->_charactersStack.push(std::string());
+  }
+}
+
+static void mlEndElement(void* userData, const char* name)
+{
+  SessionData* sd = reinterpret_cast<SessionData*>(userData);
+  std::string characters;
+  if(sd->_stm->needsCharactersBuffering()) {
+    characters = Util::trim(sd->_charactersStack.top());
+    sd->_charactersStack.pop();
+  }
+  sd->_stm->endElement(name, characters);
+}
+
+static void mlCharacters(void* userData, const char* ch, int len)
+{
+  SessionData* sd = reinterpret_cast<SessionData*>(userData);
+  if(sd->_stm->needsCharactersBuffering()) {
+    sd->_charactersStack.top() += std::string(&ch[0], &ch[len]);
+  }
+}
+
+XmlRpcRequest
+XmlRpcRequestProcessor::parseMemory(const std::string& xml)
+{
+  _stm.reset(new XmlRpcRequestParserStateMachine());
+  SharedHandle<SessionData> sessionData(new SessionData(_stm.get()));
+
+  XML_Parser parser = XML_ParserCreate(0);
+
+  XML_SetUserData(parser, sessionData.get());
+  XML_SetElementHandler(parser, &mlStartElement, &mlEndElement);
+  XML_SetCharacterDataHandler(parser, &mlCharacters);
+
+  int r = XML_Parse(parser, xml.data(), xml.size(), 1);
+  XML_ParserFree(parser);
+
+  if(r == XML_STATUS_ERROR) {
+    throw DlAbortEx("Failed to parse xml-rpc request.");
+  }
+  return XmlRpcRequest(_stm->getMethodName(), _stm->getCurrentFrameValue());
+}
+
+} // namespace xmlrpc
+
+} // namespace aria2