Added: Implemented bnp_manager_plugin add and delete files

--HG--
branch : branch-bnp-manager-plugin

code/nel/tools/3d/object_viewer_qt/src/plugins/bnp_manager/bnp_file.cpp

@@ -33,6 +33,12 @@ using namespace std;
 namespace BNPManager
 {
 
+PackedFile::PackedFile()
+{
+	m_size = 0;
+	m_pos = 0;
+}
+
 NLMISC_SAFE_SINGLETON_IMPL(BNPFileHandle);
 
 BNPFileHandle::BNPFileHandle()
@@ -58,7 +64,7 @@ void BNPFileHandle::releaseInstance()
 // ***************************************************************************
 bool BNPFileHandle::unpack(const string &dirName, const vector<string>& fileList)
 {
-	FILE *bnp = fopen (m_activeBNPFile.c_str(), "rb");
+	FILE *bnp = fopen (m_openedBNPFile.c_str(), "rb");
 	FILE *out;
 	if (bnp == NULL)
 		return false;
@@ -97,13 +103,13 @@ bool BNPFileHandle::unpack(const string &dirName, const vector<string>& fileList
 }
 // ***************************************************************************
 // Read the header from a big file
-bool BNPFileHandle::readHeader(const std::string &filename)
+bool BNPFileHandle::readHeader(const std::string &filePath)
 {
 	m_packedFiles.clear();
 
-	m_activeBNPFile = filename;
+	m_openedBNPFile = filePath;
 
-	FILE *f = fopen (filename.c_str(), "rb");
+	FILE *f = fopen (filePath.c_str(), "rb");
 	if (f == NULL)
 	{
 		nlwarning("Could not open file!");
@@ -111,7 +117,7 @@ bool BNPFileHandle::readHeader(const std::string &filename)
 	}
 
 	nlfseek64 (f, 0, SEEK_END);
-	uint32 nFileSize=CFile::getFileSize (filename );
+	uint32 nFileSize=CFile::getFileSize (filePath );
 	nlfseek64 (f, nFileSize-sizeof(uint32), SEEK_SET);
 
 	uint32 nOffsetFromBegining;
@@ -162,6 +168,7 @@ bool BNPFileHandle::readHeader(const std::string &filename)
 		sName[nStringSize] = 0;
 		PackedFile tmpPackedFile;
 		tmpPackedFile.m_name = sName;
+		tmpPackedFile.m_path = m_openedBNPFile;
 		if (fread (&tmpPackedFile.m_size, sizeof(uint32), 1, f) != 1)
 		{
 			nlwarning("Error reading packed file size!");
@@ -196,9 +203,186 @@ void BNPFileHandle::list(TPackedFilesList& FileList)
 		tmpFile.m_name = it->m_name;
 		tmpFile.m_pos = it->m_pos;
 		tmpFile.m_size = it->m_size;
+		tmpFile.m_path = it->m_path;
 		FileList.push_back(tmpFile);
 		it++;
 	}
 }
 // ***************************************************************************
+bool BNPFileHandle::writeHeader( const std::string &filePath, uint32 offset )
+{
+	FILE *f = fopen (filePath.c_str(), "ab");
+		if (f == NULL) return false;
+
+		uint32 nNbFile = (uint32)m_packedFiles.size();
+		if (fwrite (&nNbFile, sizeof(uint32), 1, f) != 1)
+		{
+			fclose(f);
+			return false;
+		}
+
+		for (uint32 i = 0; i < nNbFile; ++i)
+		{
+			uint8 nStringSize = (uint8)m_packedFiles[i].m_name.size();
+			if (fwrite (&nStringSize, 1, 1, f) != 1)
+			{
+				fclose(f);
+				return false;
+			}
+
+			if (fwrite (m_packedFiles[i].m_name.c_str(), 1, nStringSize, f) != nStringSize)
+			{
+				fclose(f);
+				return false;
+			}
+
+			if (fwrite (&m_packedFiles[i].m_size, sizeof(uint32), 1, f) != 1)
+			{
+				fclose(f);
+				return false;
+			}
+
+			if (fwrite (&m_packedFiles[i].m_pos, sizeof(uint32), 1, f) != 1)
+			{
+				fclose(f);
+				return false;
+			}
+		}
+
+		if (fwrite (&offset, sizeof(uint32), 1, f) != 1)
+		{
+			fclose(f);
+			return false;
+		}
+
+		fclose (f);
+		return true;
+}
+// ***************************************************************************
+void BNPFileHandle::fileNames(std::vector<std::string> &fileNames)
+{
+	TPackedFilesList::iterator it = m_packedFiles.begin();
+	while (it != m_packedFiles.end() )
+	{
+		fileNames.push_back(it->m_name);
+		it++;
+	}
+}
+// ***************************************************************************
+void BNPFileHandle::addFiles( const vector<string> &filePathes)
+{
+	uint32 OffsetFromBegining = 0;
+
+	// create packed files and add them to the private vector
+	vector<string>::const_iterator it_vec = filePathes.begin();
+	while (it_vec != filePathes.end() )
+	{
+		PackedFile tmpFile;
+		tmpFile.m_name = CFile::getFilename (*it_vec);
+		// Leave position to 0 and set the value during the new bnp file is creating
+		// We need the position only for the header at the end
+		tmpFile.m_pos = 0;
+		tmpFile.m_size = CFile::getFileSize(*it_vec);
+		tmpFile.m_path = *it_vec;
+		m_packedFiles.push_back( tmpFile );
+
+		it_vec++;
+	}
+
+	// sort packed files alphabetic
+	std::sort ( m_packedFiles.begin(), m_packedFiles.end(), compare );
+
+	// create a new temporary bnp file with extension *.tmp
+	TPackedFilesList::iterator it_packed = m_packedFiles.begin();
+	while (it_packed != m_packedFiles.end() )
+	{
+		append(m_openedBNPFile + ".tmp", *it_packed);
+		// Set now the new offset for the new header
+		it_packed->m_pos = OffsetFromBegining;
+		OffsetFromBegining += it_packed->m_size;
+
+		it_packed++;
+	}
+
+	writeHeader(m_openedBNPFile + ".tmp", OffsetFromBegining);
+	
+	CFile::deleteFile( m_openedBNPFile );
+	string src = m_openedBNPFile + ".tmp";
+	CFile::moveFile( m_openedBNPFile.c_str(), src.c_str() );
+}
+// ***************************************************************************
+void BNPFileHandle::deleteFiles( const vector<string>& fileNames)
+{
+	vector<string>::const_iterator it_vec;
+	TPackedFilesList::iterator it_packed;
+	uint32 OffsetFromBegining = 0;
+	string tmpFile = m_openedBNPFile + ".tmp";
+
+	// create a new temporary bnp file with extension *.tmp
+	it_packed = m_packedFiles.begin();
+	while (it_packed != m_packedFiles.end() )
+	{
+		// check each packed file if it should be deleted
+		it_vec = find (fileNames.begin(), fileNames.end(), it_packed->m_name );
+		if ( it_vec != fileNames.end() )
+		{
+			nlinfo("Deleting file %s.", it_packed->m_name.c_str() );
+			it_packed = m_packedFiles.erase(it_packed);
+		}
+		else
+		{
+			append(tmpFile, *it_packed);
+			// Set now the new offset for the new header
+			it_packed->m_pos = OffsetFromBegining;
+			OffsetFromBegining += it_packed->m_size;
+
+			it_packed++;
+		}
+	}
+	nldebug("Writing header...");
+
+	writeHeader(tmpFile, OffsetFromBegining);
+	
+	CFile::deleteFile( m_openedBNPFile );
+	string src = m_openedBNPFile + ".tmp";
+	CFile::moveFile( m_openedBNPFile.c_str(), src.c_str() );
+}
+// ***************************************************************************
+void BNPFileHandle::append(const string &destination, const PackedFile &source)
+{
+	// check if the file exists and create one if not
+	if ( !CFile::fileExists(destination) )
+		CFile::createEmptyFile( destination );
+
+	FILE *bnpfile = fopen(destination.c_str(), "ab");
+	FILE *packedfile = fopen(source.m_path.c_str(), "rb");
+	if (bnpfile == NULL) return;
+	if (packedfile == NULL) { fclose(bnpfile); return; }
+	
+	uint8 *ptr = new uint8[source.m_size];
+
+	// check if the source is a bnp file.
+	if ( nlstricmp( CFile::getExtension(source.m_path), "bnp" ) == 0 )
+	{
+		// Jump to the file position inside the bnp
+		nlfseek64(packedfile, source.m_pos, SEEK_SET);
+	}
+	// Read the source
+	if (fread (ptr, source.m_size, 1, packedfile) != 1)
+		nlwarning("%s read error", source.m_path.c_str());
+
+	// Append the data to the destination
+	if (fwrite (ptr, source.m_size, 1, bnpfile) != 1)
+		nlwarning("%s write error", destination.c_str());
+
+	delete [] ptr;
+	
+	fclose(packedfile);
+	fclose(bnpfile);
+}
+// ***************************************************************************
+bool BNPFileHandle::compare(const PackedFile &left, const PackedFile &right)
+{
+	return nlstricmp (left.m_name.c_str(), right.m_name.c_str()) < 0;
+}
 } // namespace BNPManager

code/nel/tools/3d/object_viewer_qt/src/plugins/bnp_manager/bnp_file.h

@@ -32,9 +32,11 @@ namespace BNPManager
 
 struct PackedFile
 {
+	PackedFile();
 	std::string m_name;
 	uint32 m_size;
 	uint32 m_pos;
+	std::string m_path;
 };
 
 typedef std::vector<PackedFile> TPackedFilesList;
@@ -64,7 +66,9 @@ public:
 	 * Read the header from the bnp file and create a filelist
 	 * \param filename (consisting the whole path)
 	 */
-	bool readHeader (const std::string &filename);
+	bool readHeader (const std::string &filePath);
+
+	bool writeHeader (const std::string &filePath, uint32 offset);
 
 	/**
 	 * Append the header to a created bnp file
@@ -73,11 +77,29 @@ public:
 	void appendHeader (const std::string &filename) {};
 
 	/**
-	 * Create a list of all packed files inside the bnp file
+	 * Create a vector of all packed files inside the bnp file
-	 * \param reference to the list, which has to be filled
+	 * \param reference to the vector, which has to be filled
 	 */
 	void list (TPackedFilesList& FileList);
 
+	/**
+	 * Create a vector of all file names inside the bnp file
+	 * \param reference to the vector, which has to be filled
+	 */
+	void fileNames( std::vector<std::string>& fileNames );
+
+	/**
+	 * Add files to the current aktive bnp file
+	 * \param vector of file pathes to add
+	 */
+	void addFiles( const std::vector<std::string>& filePathes );
+
+	/**
+	 * Delete files from the current aktive bnp file
+	 * \param vector of files names
+	 */
+	void deleteFiles (const std::vector<std::string>& fileNames);
+	
 	/**
 	 * Unpack the selected packed files into user defined dir
 	 * \param directory path, where the files should be unpacked
@@ -85,19 +107,33 @@ public:
 	 */
 	bool unpack (const std::string &dirName, const std::vector<std::string>& fileList);
 
+	/**
+	 * Compares two filenames
+	 * \param left: left packed file
+	 * \param right: right packed file
+	 * \return: TODO
+	 */
+	static bool compare(const PackedFile &left, const PackedFile &right);
+
 private:
 
+	/**
+	 * Append one file to an existing bnp file
+	 * \param destination: the active bnp file to append the file
+	 * \param source: the source file to pack
+	 */
+	void append( const std::string& destination, const PackedFile& source );
+
 	TPackedFilesList		m_packedFiles;
 
 	// currently opened and displayed bnp file
-	std::string				m_activeBNPFile;
+	std::string				m_openedBNPFile;
 
 	// offset where the header of the bnp file begins
 	uint32					m_offsetFromBeginning;
 
 };
 
-
 }
 
 #endif

code/nel/tools/3d/object_viewer_qt/src/plugins/bnp_manager/bnp_manager_window.cpp

@@ -28,6 +28,7 @@
 
 // NeL includes
 #include <nel/misc/debug.h>
+#include <nel/misc/path.h>
 
 // Qt includes
 #include <QDebug>
@@ -153,9 +154,11 @@ void BNPManagerWindow::open()
 	fileName = QFileDialog::getOpenFileName(this,
 		tr("Open BNP file"), tr(m_DataPath.toStdString().c_str()), tr("BNP Files (*.bnp)"));
 
-	// check if there is a filename
+	// Check if filename is empty
 	if (fileName.isNull())
 		return;
+
+	m_openedBNPFile = fileName;
     loadFile(fileName);
 }
 // ***************************************************************************
@@ -166,12 +169,73 @@ void BNPManagerWindow::close()
 // ***************************************************************************
 void BNPManagerWindow::addFiles()
 {
-    //TODO
+	// reference to the BNPFileHandle singletone instance
+	BNPFileHandle& myBNPFileHandle = BNPFileHandle::getInstance();
+
+	// vector of all current packed filenames
+	vector<string> currentFiles;
+
+	// vector of files to add
+	vector<string> addFiles;
+
+    // open a file dialog and to add files
+	QStringList FileList;
+
+	FileList = QFileDialog::getOpenFileNames(this,tr("Add Files..."),
+							QDir::currentPath(), tr("All Files (*.*)") );
+	
+	// get all current filenames from the opened bnp file
+	myBNPFileHandle.fileNames(currentFiles);
+
+	QStringList::iterator it_list = FileList.begin();
+	while (it_list != FileList.end() )
+	{
+		string fileName = CFile::getFilename (it_list->toStdString() );
+		if ( std::find(currentFiles.begin(), currentFiles.end(), fileName ) !=  currentFiles.end() )
+		{
+			// Ask the user if he wants to override the existing file
+			// atm only warn the user and do not override
+			QMessageBox::warning(this, tr("BNP Manager"),
+                                tr("File is already in the list!"),
+                                QMessageBox::Ok,
+								QMessageBox::Ok);
+		}
+		else
+		{
+			addFiles.push_back( it_list->toStdString() );
+			// log it
+			nlinfo("Add file %s", fileName.c_str() );
+		}
+		it_list++;
+	}
+	
+	if ( !addFiles.empty() )
+	{
+		myBNPFileHandle.addFiles( addFiles );
+	}
+	loadFile(m_openedBNPFile);
 }
 // ***************************************************************************
 void BNPManagerWindow::deleteFiles()
 {
-    //TODO
+    QFileDialog filedialog(this);
+	BNPFileHandle& myBNPFileHandle = BNPFileHandle::getInstance();
+	vector<string> selectedRows;
+
+	m_BnpFileListDialog->getSelections(selectedRows);
+
+	// Check if files were selected. If not, inform the user.
+	if (selectedRows.empty())
+	{
+		QMessageBox::information(this, tr("BNP Manager"),
+                                tr("No files selected!"),
+                                QMessageBox::Ok,
+								QMessageBox::Ok);
+		return;
+	}
+	
+	myBNPFileHandle.deleteFiles(selectedRows);
+	loadFile(m_openedBNPFile);
 }
 // ***************************************************************************
 void BNPManagerWindow::unpackFiles()
@@ -188,7 +252,7 @@ void BNPManagerWindow::unpackFiles()
 	if (selectedrows.empty())
 	{
 		QMessageBox::information(this, tr("BNP Manager"),
-                                tr("No files were selected to unpack!"),
+                                tr("No files selected!"),
                                 QMessageBox::Ok,
 								QMessageBox::Ok);
 		return;
@@ -199,6 +263,10 @@ void BNPManagerWindow::unpackFiles()
 								QFileDialog::ShowDirsOnly
 								| QFileDialog::DontResolveSymlinks);
 
+	// If anything went wrong or the user pressed "cancel"
+	if ( dir.isEmpty() )
+		return;
+	
 	if (myBNPFileHandle.unpack(dir.toStdString(),selectedrows))
 	{
 		QMessageBox::information(this, tr("BNP Manager"),

code/nel/tools/3d/object_viewer_qt/src/plugins/bnp_manager/bnp_manager_window.h

@@ -136,8 +136,7 @@ private:
 	BnpFileListDialog *m_BnpFileListDialog;
 
 	QString m_DataPath;
-
+	QString m_openedBNPFile;
-	BNPFileHandle *m_BNPFileHandle;
 
 }; /* class BNPManagerWindow */