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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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450 lines
11 KiB
C++
450 lines
11 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "nel/misc/types_nl.h"
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#include "nel/misc/app_context.h"
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#include "nel/misc/path.h"
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#include "nel/misc/common.h"
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#include "nel/misc/sstring.h"
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#include "nel/misc/algo.h"
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using namespace std;
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using namespace NLMISC;
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enum TAction
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{
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pack,
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unpack,
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undefined
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};
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const string DefaultExt("xml_pack");
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const uint32 MaxLineSize = 16*1024;
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const string ExcludeFiles(".#*;*.log;*.bin;*.xml_pack_index");
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const string ExcludeDirs("CVS");
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bool isExcludedFile(const std::string &fileName)
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{
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static vector<string> excludeFileVect;
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static bool init = false;
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if (!init)
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{
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explode(ExcludeFiles, string(";"), excludeFileVect, true);
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init = true;
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}
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bool excluded = false;
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for (uint i=0; i<excludeFileVect.size(); ++i)
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{
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if (testWildCard(fileName, excludeFileVect[i]))
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{
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excluded = true;
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break;
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}
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}
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return excluded;
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}
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bool isExcludedDir(const std::string &dirName)
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{
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static vector<string> excludeDirVect;
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static bool init = false;
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if (!init)
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{
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explode(ExcludeDirs, string(";"), excludeDirVect, true);
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}
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bool excluded = false;
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for (uint i=0; i<excludeDirVect.size(); ++i)
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{
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if (testWildCard(dirName, excludeDirVect[i]))
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{
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excluded = true;
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break;
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}
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}
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return excluded;
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}
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string getLastDirName(const std::string &path)
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{
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string dirName;
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string::size_type pos = path.size()-1;
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// skip any terminal directory separator
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if (pos > 0 && (path[pos] == '\\' || path[pos] == '/'))
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--pos;
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while(pos > 0 && path[pos] != '\\' && path[pos] != '/' )
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dirName = path[pos--] + dirName;
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return dirName;
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}
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int main(int argc, char *argv[])
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{
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printf("NeL XML Packer/Unpacker V0.3\n");
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CApplicationContext appContext;
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TAction action = undefined;
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bool recursive = false;
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// compute the current folder name
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string currentPath = CPath::getCurrentPath();
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string dirName = getLastDirName(currentPath);;
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string filename = dirName + "."+DefaultExt;
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// check the params to choose action
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for (uint i=0; i<uint(argc); ++i)
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{
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if (strcmp(argv[i], "-p") == 0)
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{
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// pack the current folder
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action = pack;
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printf("Packing files\n");
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}
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else if (strcmp(argv[i], "-u") == 0)
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{
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// unpack the current folder
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action = unpack;
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printf("Unpacking files\n");
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}
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else if (strcmp(argv[i], "-r") == 0)
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{
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// unpack the current folder
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recursive = true;
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printf("Recursive mode\n");
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}
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// else if (strcmp(argv[i], "-f") == 0)
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// {
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// if (uint(argc) < i+i)
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// {
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// printf("Error : missing file name after -f\n");
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// return -1;
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// }
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// // use the specified file archive instead of the directory name
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// filename = argv[++i];
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// }
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}
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if (action == undefined)
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{
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printf("Usage : %s -u|-p [-r]\n", argv[0]);
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printf(" -p : pack the current folder\n");
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printf(" -u : unpack the current folder\n");
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printf(" -r : pack or unpack subdirectories recursively\n");
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return -1;
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}
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vector<string> dirStack;
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printf("Current path is '%s'\n", CPath::getCurrentPath().c_str());
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// push the current directory to start the loop
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dirStack.push_back(CPath::getCurrentPath());
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while(!dirStack.empty())
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{
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string dirName = dirStack.back();
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dirStack.pop_back();
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string filename = dirName+"/"+getLastDirName(dirName) + "."+DefaultExt;
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switch (action)
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{
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case pack:
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{
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printf("Packing directory '%s'...\n", dirName.c_str());
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// string packFileName = dirName+"/tmp."+DefaultExt;
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string packFileName = filename;
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string indexFileName = dirName+"/.xml_pack_index";
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// get the current directory content
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vector<string> files;
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CPath::getPathContent(dirName, false, false, true, files);
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vector<string> validFiles;
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// first loop to build the list of valid file
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for (uint i=0; i<files.size(); ++i)
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{
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if (files[i].find(DefaultExt) == files[i].size() - DefaultExt.size())
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continue;
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string &subFileName = files[i];
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// check exclude filter
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if (isExcludedFile(subFileName))
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{
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continue;
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}
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// ok, this file is valid
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validFiles.push_back(subFileName);
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}
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bool needRepack = true;
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// if an xml pack already exist in the folder...
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if (CFile::fileExists(packFileName))
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{
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breakable
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{
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if (validFiles.empty())
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{
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// no file in the directory, erase the pack file
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CFile::deleteFile(packFileName);
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break;
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}
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uint32 packDate = CFile::getFileModificationDate(packFileName);
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if (!CFile::fileExists(indexFileName) || CFile::getFileModificationDate(indexFileName) < packDate)
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{
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// no index file or index file older than pack file, repack
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break;
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}
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// read the index file
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set<string> fileInIndex;
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char lineBuffer[1024];
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FILE *fp = nlfopen(indexFileName, "rt");
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while (fgets(lineBuffer, 1024, fp))
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fileInIndex.insert(CSString(lineBuffer).strip());
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fclose(fp);
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// loop to check for file time stamp
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for (uint i=0; i<validFiles.size(); ++i)
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{
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uint32 fileDate = CFile::getFileModificationDate(validFiles[i]);
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if (fileDate >= packDate)
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// no more to check
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break;
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// remove this file from the file index
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fileInIndex.erase(CFile::getFilename(validFiles[i]));
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}
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// check if there are some some deleted in the directory
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if (!fileInIndex.empty())
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{
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// need to repack, there are erased files
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break;
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}
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// all files are older than the pack file ! no repack needed
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needRepack = false;
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}
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}
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// we need to repack and have some file to store ?
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if (!validFiles.empty() && needRepack)
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{
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// open the pack file
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// FILE *fp = nlfopen(filename, "wt");
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FILE *fp = nlfopen(packFileName, "wt");
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fprintf(fp, "<nel:packed_xml>\n");
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for (uint i=0; i<validFiles.size(); ++i)
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{
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string &subFileName = validFiles[i];
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printf("Adding file '%s'...\n", CFile::getFilename(subFileName).c_str());
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fprintf(fp, " <nel:xml_file name=\"%s\">\n", CFile::getFilename(subFileName).c_str());
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FILE *subFp = nlfopen(subFileName, "rt");
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nlassert(subFp != NULL);
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char buffer[MaxLineSize];
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char *result;
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bool needFinalReturn = false;
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result = fgets(buffer, MaxLineSize, subFp);
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needFinalReturn = result != NULL ? buffer[strlen(buffer)-1] != '\n' : true;
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while(result != 0)
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{
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fputs(buffer, fp);
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result = fgets(buffer, MaxLineSize, subFp);
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needFinalReturn = result != NULL ? buffer[strlen(buffer)-1] != '\n' : needFinalReturn;
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}
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if (needFinalReturn)
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{
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const char *finalReturn = "\n";
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fputs(finalReturn, fp);
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}
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fclose(subFp);
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fprintf(fp, " </nel:xml_file>\n");
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}
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fprintf(fp, "</nel:packed_xml>\n");
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fclose(fp);
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// write the disposable index file used by pack to check for erased file
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fp = nlfopen(indexFileName, "wt");
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for (uint i=0; i<validFiles.size(); ++i)
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{
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fprintf(fp, "%s\n", CFile::getFilename(validFiles[i]).c_str());
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}
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fclose(fp);
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// set the file 'hidden'n use the plain old system command...
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sint res = system(toString("attrib +h %s", indexFileName.c_str()).c_str());
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if (res)
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{
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nlwarning("attrib failed with return code %d", res);
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}
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}
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else
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{
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printf("Directory %s is up to date, no repack\n", dirName.c_str());
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}
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}
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break;
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case unpack:
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{
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printf("Unpacking directory '%s'...\n", dirName.c_str());
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// open the pack file
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// FILE *fp = nlfopen(dirName+"/tmp."+DefaultExt, "rt");
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FILE *fp = nlfopen(filename, "rt");
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if (!recursive)
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{
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// if we are not recursive, we MUST have a file here
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printf("Error : can't find a xml_pack file in current directory\n");
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exit(-1);
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}
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else
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{
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// just continue to recurse, there is no file at this level
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break;
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}
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uint linecount = 0;
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// read the first line
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char buffer[MaxLineSize];
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if (!fgets(buffer, MaxLineSize, fp) || strcmp(buffer, "<nel:packed_xml>\n") != 0)
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{
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printf ("Error : invalid pack file '%s'\n", filename.c_str());
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return -1;
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}
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linecount++;
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char *result = NULL;
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do
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{
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// read a file line
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linecount++;
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if (!fgets(buffer, MaxLineSize, fp))
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{
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fclose(fp);
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printf ("Error : invalid pack file '%s' at line %u", filename.c_str(), linecount);
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return -1;
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}
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CSString parser(buffer);
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if (parser.find(" <nel:xml_file name=") != 0)
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{
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fclose(fp);
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// end of pack file
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if (parser.find("</nel:packed_xml>") == 0)
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break;
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printf ("Error : invalid pack file '%s' at line %u", filename.c_str(), linecount);
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return -1;
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}
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CSString subFileName = parser.leftCrop(sizeof(" <nel:xml_file name=")-1);
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subFileName = subFileName.matchDelimiters(false, false, true, false);
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subFileName = subFileName.unquoteIfQuoted();
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subFileName = dirName + "/" + subFileName.c_str();
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printf("Extracting file '%s'...\n", CFile::getFilename(subFileName).c_str());
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// open the output file
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FILE *output = fopen (subFileName.c_str(), "wt");
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if (output == NULL)
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{
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printf ("Error : can not open output file '%s' from pack file '%s'", subFileName.c_str(), filename.c_str());
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exit(-1);
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}
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result = fgets(buffer, MaxLineSize, fp);
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linecount++;
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while (result != NULL && strcmp(buffer, " </nel:xml_file>\n") != 0)
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{
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fputs(result, output);
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// read next line
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result = fgets(buffer, MaxLineSize, fp);
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linecount++;
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}
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fclose(output);
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} while(result != NULL);
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}
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break;
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default:
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// this shouldn't happen / keep compiler happy
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break;
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}
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if (recursive)
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{
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vector<string> subDirs;
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CPath::getPathContent(dirName, false, true, false, subDirs);
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// filter the directories
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for (uint i=(uint)subDirs.size(); i>0; --i)
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{
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if (!isExcludedDir(subDirs[i-1]))
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dirStack.push_back(subDirs[i-1]);
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}
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}
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}
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return 0;
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}
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