2007-12-04 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Added XML2SAXMetalinkProcessor class, which is a lot faster than
	the predecessor, Xml2MetalinkParser class.
	I tested them against 94KB metalink file with 1234 chunk 
checksums.
	The new one parsed it in 22msec, while it took 6000msec with old 
one.
	* src/XML2SAXMetalinkProcessor.{h, cc}
	* test/XML2SAXMetalinkProcessorTest.cc
	* src/MetalinkParserController.{h, cc}
	* test/MetalinkParserControllerTest.cc
	* src/MetalinkParserState.h: Also added 16 subclasses.
	* src/main.cc
	* src/Metalink2RequestGroup.cc
	* src/MetalinkHelper.cc
	* src/MetalinkEntry.cc
	* src/ChunkChecksum.h
	
	Rewritten Base64 class for better performance.
	* src/Base64.{h, cc}
	* test/Base64Test.cc
	* src/HttpRequest.cc

1 files changed, 82 insertions, 0 deletions

diff --git a/src/FileMetalinkParserState.cc b/src/FileMetalinkParserState.cc
new file mode 100644
index 00000000..27be505c
--- /dev/null
+++ b/src/FileMetalinkParserState.cc
@@ -0,0 +1,82 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2006 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 "FileMetalinkParserState.h"
+#include "MetalinkParserStateMachine.h"
+#include "Util.h"
+#include "RecoverableException.h"
+
+void FileMetalinkParserState::beginElement(MetalinkParserStateMachine* stm,
+					   const string& name,
+					   const map<string, string>& attrs)
+{
+  if(name == "size") {
+    stm->setSizeState();
+  } else if(name == "version") {
+    stm->setVersionState();
+  } else if(name == "language") {
+    stm->setLanguageState();
+  } else if(name == "os") {
+    stm->setOSState();
+  } else if(name == "verification") {
+    stm->setVerificationState();
+  } else if(name == "resources") {
+    stm->setResourcesState();
+    int32_t maxConnections;
+    {
+      map<string, string>::const_iterator itr = attrs.find("maxconnections");
+      if(itr == attrs.end()) {
+	maxConnections = -1;
+      } else {
+	try {
+	  maxConnections = Util::parseInt((*itr).second);
+	} catch(RecoverableException* e) {
+	  delete e;
+	  maxConnections = -1;
+	}
+      }
+    }
+    stm->setMaxConnectionsOfEntry(maxConnections);
+  } else {
+    stm->setSkipTagState(this);
+  }
+}
+
+void FileMetalinkParserState::endElement(MetalinkParserStateMachine* stm,
+					  const string& name,
+					  const string& characters)
+{
+  stm->commitEntryTransaction();
+  stm->setFilesState();
+}