2009-10-04 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

Added missing MetalinkParserStateImpl.{cc,h}
	* src/MetalinkParserStateImpl.cc
	* src/MetalinkParserStateImpl.h

ChangeLog

@@ -1,3 +1,9 @@
+2009-10-04  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Added missing MetalinkParserStateImpl.{cc,h}
+	* src/MetalinkParserStateImpl.cc
+	* src/MetalinkParserStateImpl.h
+
 2009-10-03  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Put all MetalinkParserState subclasses into

src/MetalinkParserStateImpl.cc

@@ -0,0 +1,456 @@
+/* <!-- 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 "MetalinkParserStateImpl.h"
+#include "MetalinkParserStateMachine.h"
+#include "RecoverableException.h"
+#include "Util.h"
+
+namespace aria2 {
+
+namespace {
+
+const std::string FILE("file");
+const std::string FILES("files");
+const std::string HASH("hash");
+const std::string LANGUAGE("language");
+const std::string LENGTH("length");
+const std::string LOCATION("location");
+const std::string MAXCONNECTIONS("maxconnections");
+const std::string METALINK("metalink");
+// Can't use name VERSION because it is used as a macro.
+const std::string METALINK_VERSION("version");
+const std::string METAURL("metaurl");
+const std::string NAME("name");
+const std::string OS("os");
+const std::string PIECE("piece");
+const std::string PIECES("pieces");
+const std::string PREFERENCE("preference");
+const std::string RESOURCES("resources");
+const std::string SIGNATURE("signature");
+const std::string SIZE("size");
+const std::string TYPE("type");
+const std::string URL("url");
+const std::string VERIFICATION("verification");
+}
+
+void InitialMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == METALINK) {
+    stm->setMetalinkState();
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void MetalinkMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == FILES) {
+    stm->setFilesState();
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void FilesMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == FILE) {
+    stm->setFileState();
+    std::map<std::string, std::string>::const_iterator itr = attrs.find(NAME);
+    if(itr != attrs.end()) {
+      stm->newEntryTransaction();
+      stm->setFileNameOfEntry((*itr).second);
+    }
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void FileMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == SIZE) {
+    stm->setSizeState();
+  } else if(name == METALINK_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();
+    int maxConnections;
+    {
+      std::map<std::string, std::string>::const_iterator itr =
+	attrs.find(MAXCONNECTIONS);
+      if(itr == attrs.end()) {
+	maxConnections = -1;
+      } else {
+	try {
+	  maxConnections = Util::parseInt((*itr).second);
+	} catch(RecoverableException& e) {
+	  maxConnections = -1;
+	}
+      }
+    }
+    stm->setMaxConnectionsOfEntry(maxConnections);
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void FileMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->commitEntryTransaction();
+}
+
+void SizeMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void SizeMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  try {
+    stm->setFileLengthOfEntry(Util::parseLLInt(characters));
+  } catch(RecoverableException& e) {
+    // current metalink specification doesn't require size element.
+  }
+}
+
+void VersionMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void VersionMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setVersionOfEntry(characters);
+}
+
+void LanguageMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void LanguageMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setLanguageOfEntry(characters);
+}
+
+void OSMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void OSMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setOSOfEntry(characters);
+}
+
+void VerificationMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+#ifdef ENABLE_MESSAGE_DIGEST
+  if(name == HASH) {
+    stm->setHashState();
+    std::map<std::string, std::string>::const_iterator itr = attrs.find(TYPE);
+    if(itr == attrs.end()) {
+      return;
+    } else {
+      std::string type = (*itr).second;
+      stm->newChecksumTransaction();
+      stm->setTypeOfChecksum(type);
+    }
+  } else if(name == PIECES) {
+    stm->setPiecesState();
+    try {
+      size_t length;
+      {
+	std::map<std::string, std::string>::const_iterator itr =
+	  attrs.find(LENGTH);
+	if(itr == attrs.end()) {
+	  return;
+	} else {
+	  length = Util::parseInt((*itr).second);
+	}
+      }
+      std::string type;
+      {
+	std::map<std::string, std::string>::const_iterator itr =
+	  attrs.find(TYPE);
+	if(itr == attrs.end()) {
+	  return;
+	} else {
+	  type = (*itr).second;
+	}
+      }
+      stm->newChunkChecksumTransaction();
+      stm->setLengthOfChunkChecksum(length);
+      stm->setTypeOfChunkChecksum(type);
+    } catch(RecoverableException& e) {
+      stm->cancelChunkChecksumTransaction();
+    }
+  } else
+#endif // ENABLE_MESSAGE_DIGEST
+  if(name == SIGNATURE) {
+    stm->setSignatureState();
+    std::map<std::string, std::string>::const_iterator itr = attrs.find(TYPE);
+    if(itr == attrs.end()) {
+      return;
+    } else {
+      stm->newSignatureTransaction();
+      stm->setTypeOfSignature((*itr).second);
+
+      std::map<std::string, std::string>::const_iterator itr = attrs.find(FILE);
+      if(itr != attrs.end()) {
+	stm->setFileOfSignature((*itr).second);
+      }
+    }
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void HashMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void HashMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setHashOfChecksum(characters);
+  stm->commitChecksumTransaction();
+}
+
+void PiecesMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == HASH) {
+    stm->setPieceHashState();
+    std::map<std::string, std::string>::const_iterator itr = attrs.find(PIECE);
+    if(itr == attrs.end()) {
+      stm->cancelChunkChecksumTransaction();
+    } else {
+      try {
+	stm->createNewHashOfChunkChecksum(Util::parseInt((*itr).second));
+      } catch(RecoverableException& e) {
+	stm->cancelChunkChecksumTransaction();
+      }
+    }
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void PiecesMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->commitChunkChecksumTransaction();
+}
+
+void PieceHashMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void PieceHashMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setMessageDigestOfChunkChecksum(characters);
+  stm->addHashOfChunkChecksum();
+}
+
+void SignatureMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void SignatureMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setBodyOfSignature(characters);
+  stm->commitSignatureTransaction();
+}
+
+void ResourcesMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  if(name == URL) {
+    stm->setURLState();
+    std::string type;
+    {
+      std::map<std::string, std::string>::const_iterator itr = attrs.find(TYPE);
+      if(itr == attrs.end()) {
+	return;
+      } else {
+	type = (*itr).second;
+      }
+    }
+    std::string location;
+    {
+      std::map<std::string, std::string>::const_iterator itr =
+	attrs.find(LOCATION);
+      if(itr != attrs.end()) {
+	location = Util::toUpper((*itr).second);
+      }
+    }
+    int preference;
+    {
+      std::map<std::string, std::string>::const_iterator itr =
+	attrs.find(PREFERENCE);
+      if(itr == attrs.end()) {
+	preference = 0;
+      } else {
+	try {
+	  preference = Util::parseInt((*itr).second);
+	} catch(RecoverableException& e) {
+	  preference = 0;
+	}
+      }
+    }
+    int maxConnections;
+    {
+      std::map<std::string, std::string>::const_iterator itr =
+	attrs.find(MAXCONNECTIONS);
+      if(itr == attrs.end()) {
+	maxConnections = -1;
+      } else {
+	try {
+	  maxConnections = Util::parseInt((*itr).second);
+	} catch(RecoverableException& e) {
+	  maxConnections = -1;
+	}
+      }
+    }
+    stm->newResourceTransaction();
+    stm->setTypeOfResource(type);
+    stm->setLocationOfResource(location);
+    stm->setPreferenceOfResource(preference);
+    stm->setMaxConnectionsOfResource(maxConnections);
+  } else {
+    stm->setSkipTagState();
+  }
+}
+
+void URLMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+void URLMetalinkParserState::endElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::string& characters)
+{
+  stm->setURLOfResource(characters);
+  stm->commitResourceTransaction();
+}
+
+void SkipTagMetalinkParserState::beginElement
+(MetalinkParserStateMachine* stm,
+ const std::string& name,
+ const std::map<std::string, std::string>& attrs)
+{
+  stm->setSkipTagState();
+}
+
+} // namespace aria2

src/MetalinkParserStateImpl.h

@@ -0,0 +1,316 @@
+/* <!-- 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 --> */
+#ifndef _D_METALINK_PARSER_STATE_IMPL_H_
+#define _D_METALINK_PARSER_STATE_IMPL_H_
+
+#include "MetalinkParserState.h"
+
+namespace aria2 {
+
+class InitialMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+  
+  virtual bool needsCharactersBuffering() const
+  {
+    return false;
+  }
+};
+
+class MetalinkMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return false;
+  }
+};
+
+class FilesMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class FileMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class SizeMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class VersionMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class LanguageMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class OSMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class VerificationMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class HashMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class PiecesMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class PieceHashMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class SignatureMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name, const std::map<std::string,
+			    std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class ResourcesMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class URLMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters);
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return true;
+  }
+};
+
+class SkipTagMetalinkParserState:public MetalinkParserState
+{
+public:
+  virtual void beginElement(MetalinkParserStateMachine* stm,
+			    const std::string& name,
+			    const std::map<std::string, std::string>& attrs);
+
+  virtual void endElement(MetalinkParserStateMachine* stm,
+			  const std::string& name,
+			  const std::string& characters) {}
+
+  virtual bool needsCharactersBuffering() const
+  {
+    return false;
+  }
+};
+
+} // namespace aria2
+
+#endif // _D_METALINK_PARSER_STATE_IMPL_H_