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750 lines
30 KiB
C++
750 lines
30 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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#ifndef NL_PATH_H
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#define NL_PATH_H
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#include "types_nl.h"
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#include "time_nl.h"
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#include "common.h"
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#include "string_mapper.h"
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#include <map>
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#include <string>
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#include <vector>
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namespace NLMISC {
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/// Exception throw when a find is not found in a lookup() call
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struct EPathNotFound : public Exception
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{
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EPathNotFound (const std::string& filename) : Exception ("Path not found for " + filename) { }
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};
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/** Utility to store a pre-built list of file, bnp and xml_pack
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* Used by CPath to store the default application patch.
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* Can be used by user to build a custom set of file.
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* \warning addSearchPath(), clearMap() and remapExtension() are not reentrant.
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* \warning all path and files are *case sensitive* on linux.
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*/
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class CFileContainer
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{
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// no copy allowed
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CFileContainer(const CFileContainer &/* other */)
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{}
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CFileContainer &operator =(const CFileContainer &/* other */)
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{
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return *this;
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}
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public:
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CFileContainer()
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{
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_MemoryCompressed = false;
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_AllFileNames = NULL;
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}
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~CFileContainer();
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void addSearchPath (const std::string &path, bool recurse, bool alternative, class IProgressCallback *progressCallBack = NULL);
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/** Used only for compatibility with the old CPath. In this case, we don't use the map to have the same behavior as the old CPath */
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void addSearchPath (const std::string &path) { addSearchPath (path, false, true, NULL); }
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/** Same as AddSearchPath but with a file "c:/autoexec.bat" this file only will included. wildwards *doesn't* work */
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void addSearchFile (const std::string &file, bool remap = false, const std::string &virtual_ext = "", class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Same as AddSearchPath but with a path file "c:/test.pth" all files name contain in this file will be included (the extention is used to know that it's a path file) */
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void addSearchListFile (const std::string &filename, bool recurse, bool alternative);
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/** Same as AddSearchPath but with a big file "c:/test.nbf" all files name contained in the big file will be included (the extention (Nel Big File) is used to know that it's a big file) */
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void addSearchBigFile (const std::string &filename, bool recurse, bool alternative, class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Same as AddSearchPath but with a xml pack file "c:/test.xml_pack" all files name contained in the xml pack will be included */
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void addSearchXmlpackFile (const std::string &sXmlpackFilename, bool recurse, bool alternative, class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Remove all search path contains in the alternative directories */
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void removeAllAlternativeSearchPath ();
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// Remove a set of big file from the search paths (and also from CBigFile)
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void removeBigFiles(const std::vector<std::string> &bnpFilenames);
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/** Returns the long name (path + filename) for the specified file.
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* The directory separator is always '/'.
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* First, the lookup() lookups in standard directories (Alternative=false).
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* If not found, it lookups in the Alternative directories.
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* If not found the lookup() returns empty string "" (and generate an exception if throwException is true)
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*
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* The filename is not case sensitive so if the real filename is "FooBAR.Jpg" and you call lookup("fOOBar.jPg"), it'll
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* return the real filename "FooBAR.Jpg"
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*
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* \param filename the file name you are seeking. (ex: "test.txt")
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* \param throwException used for backward compatibility, set to true to generate an EPathNotFound.
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* \param displayWarning set to false if you don't want the function displays a warning if the file is not found
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* \param lookupInLocalDirectory if true, the lookup() will first try to open the file without path.
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* \return empty string if file is not found or the full path + file name (ex: "c:/temp/test.txt");
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*
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* ***********************************************
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* WARNING: This Method is NOT thread safe
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* user must ensure that no mutator is called on CPath while async loading
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* ***********************************************
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*
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*/
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std::string lookup (const std::string &filename, bool throwException = true, bool displayWarning = true, bool lookupInLocalDirectory = true);
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/** Return if a file is present in the lookup map.
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* The function changes filename into lower case and removes ended spaces before searching.
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*
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* \warning This function checks *only* in the map, not in local dir or alternative dir
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*
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* \param filename the file name you are seeking. (ex: "test.txt")
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* \param lookupInLocalDirectory if true, the lookup() will first try to open the file without path.
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* \return true if the filename exists in the map used by lookup to know where the file is, false otherwise
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*/
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bool exists (const std::string &filename);
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/** Clears the map that contains all cached files (Use this function to take into account new files).
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*/
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void clearMap ();
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/** Add a remapping function to allow file extension substitution.
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* - eg remapExtension("dds", "tga", true) Where the boolean indicates whether
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* the "dds" should replace a "tga" if one exists - again - a warning should
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* be generated if the two are present.
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*
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* ie: If you have a file called pic.dds and you call remapExtension("dds", "tga", true),
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* if you call lookup("pic.tga"), it'll return "pic.dds"
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*
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*/
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void remapExtension (const std::string &ext1, const std::string &ext2, bool substitute);
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/** Add file remapping
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* ie: If you have a file called pic.dds, and call remapFile("picture.dds", "pic.dds")
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* calling lookup("picture.dds") will in fact call lookup("pic.dds")
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*/
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void remapFile (const std::string &file1, const std::string &file2);
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/** Load a file containing the remapped file (you must have done addsearchpath, this method use lookup)
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* Format is remapped_name_file, real_file
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* separators are , and \n
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*/
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void loadRemappedFiles (const std::string &file);
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void display ();
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/** Take a path and put it in the portable format and add a terminated / if needed
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* ie: "C:\\Game/dir1" will become "C:/Game/dir1/" or "C:/Game/dir1" if addFinalSlash is false
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*/
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std::string standardizePath (const std::string &path, bool addFinalSlash = true);
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/** Replace / with \ for dos process. Use only this function if can't do another way.
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* For example, if you do a system("copy data/toto data/tata"); it'll not work because dos doesn't
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* understand /.
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* But in the majority of case, / working (it works for fopen for example)
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*/
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std::string standardizeDosPath (const std::string &path);
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/** List all files in a directory.
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* \param path path where files are scanned. No-op if empty
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* \param recurse true if want to recurs directories
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* \param wantDir true if want to add directories in result
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* \param wantFile true if want to add files in result
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* \param result list of string where directories/files names are added.
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* \param progressCallBack is a progression callback interface pointer.
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* \param showEverything false skips *.log files and CVS directories
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*/
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void getPathContent (const std::string &path, bool recurse, bool wantDir, bool wantFile, std::vector<std::string> &result, class IProgressCallback *progressCallBack = NULL, bool showEverything=false);
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/** Get the full path based on a file/path and the current directory. Example, imagine that the current path is c:\temp and toto is a directory
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* getFullPath ("toto") returns "c:/temp/toto/"
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* getFullPath ("../toto") returns "c:/temp/../toto/"
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* getFullPath ("d:\dir\toto") returns "d:/dir/toto/"
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* getFullPath ("\toto") returns "c:/toto/"
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* getFullPath ("") returns "c:/temp/"
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*
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* \param path the path
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* \return the full path
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*/
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std::string getFullPath (const std::string &path, bool addFinalSlash = true);
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/** Returns the current path of the application.
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*/
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std::string getCurrentPath ();
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/** Set the current path of the application.
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*/
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bool setCurrentPath (const std::string &path);
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/** Create a list of file having the requested extension.
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*/
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void getFileList(const std::string &extension, std::vector<std::string> &filenames);
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/** Create a list of file having the requested string in the filename and the requested extension.
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*/
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void getFileListByName(const std::string &extension, const std::string &name, std::vector<std::string> &filenames);
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/** Create a list of file having the requested string in the path and the requested extension.
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*/
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void getFileListByPath(const std::string &extension, const std::string &path, std::vector<std::string> &filenames);
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/** Make a path relative to another if possible, else doesn't change it.
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* \param basePath is the base path to be relative to.
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* \param relativePath is the path to make relative to basePath.
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* return true if relativePath as been done relative to basePath, false is relativePath has not been changed.
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*/
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bool makePathRelative (const char *basePath, std::string &relativePath);
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/** If File in this list is added more than one in an addSearchPath, it doesn't launch a warning.
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*/
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void addIgnoredDoubleFile(const std::string &ignoredFile);
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/** For the moment after memoryCompress you cant addsearchpath anymore
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*/
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void memoryCompress();
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void memoryUncompress();
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bool isMemoryCompressed() { return _MemoryCompressed; }
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/** Get the ms windows directory (in standardized way with end slash), or returns an empty string on other os
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*/
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std::string getWindowsDirectory();
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/** Get application directory.
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* \return directory where applications should write files.
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*/
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std::string getApplicationDirectory(const std::string &appName = "");
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/** Get a temporary directory.
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* \return temporary directory where applications should write files.
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*/
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std::string getTemporaryDirectory();
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private:
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// All path in this vector must have a terminated '/'
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std::vector<std::string> _AlternativePaths;
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std::vector<std::string> IgnoredFiles;
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std::map<std::string, std::string> _RemappedFiles;
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// ----------------------------------------------
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// MEMORY WISE
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// ----------------------------------------------
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bool _MemoryCompressed;
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CStaticStringMapper SSMext;
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CStaticStringMapper SSMpath;
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// If NOT memory compressed use this
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// ---------------------------------
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struct CFileEntry
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{
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std::string Name; // Normal case
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uint32 idPath : 16;
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uint32 idExt : 15;
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uint32 Remapped : 1;
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};
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typedef std::map<std::string, CFileEntry> TFiles;
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TFiles _Files; // first is the filename in lowercase (can be with a remapped extension)
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// If memory compressed use this
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// -----------------------------
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struct CMCFileEntry
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{
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char *Name; // Normal case (the search is done by using nlstricmp)
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uint32 idPath : 16; // Path (not with file at the end) - look in the SSMpath (65536 different path allowed)
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uint32 idExt : 15; // real extension of the file if remapped - look in the SSMext (32768 different extension allowed)
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uint32 Remapped : 1; // true if the file is remapped
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};
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char *_AllFileNames;
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// first is the filename that can be with a remapped extension
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std::vector<CMCFileEntry> _MCFiles;
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// Compare a MCFileEntry with a lowered string (useful for MCfind)
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class CMCFileComp
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{
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public:
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sint specialCompare(const CMCFileEntry &fe, const char *rhs)
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{
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char *lhs = fe.Name;
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uint8 lchar, rchar;
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while (*lhs != '\0' && *rhs != '\0')
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{
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// lower case compare because name is in normal case
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lchar = uint8(::tolower(*lhs));
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rchar = uint8(::tolower(*rhs));
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if (lchar != rchar) return ((sint)lchar) - ((sint)rchar);
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++lhs;
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++rhs;
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}
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if (*lhs != 0) return 1;
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if (*rhs != 0) return -1;
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return 0;
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}
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bool operator()( const CMCFileEntry &fe, const CMCFileEntry &rhs )
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{
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return specialCompare( fe, rhs.Name ) < 0;
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}
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};
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/// first ext1, second ext2 (ext1 could replace ext2)
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std::vector<std::pair<std::string, std::string> > _Extensions;
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CMCFileEntry *MCfind (const std::string &filename);
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sint findExtension (const std::string &ext1, const std::string &ext2);
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void insertFileInMap (const std::string &filename, const std::string &filepath, bool remap, const std::string &extension);
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};
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/**
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* Utility class for searching files in different paths.
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*
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* Change in jun 2007 : now the implementation code is in CFileContainer, the
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* CPath class is just a wrapper class that contains one instance of CFileContainer.
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*
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* \warning addSearchPath(), clearMap() and remapExtension() are not reentrant.
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* \warning all path and files are *case sensitive* on linux.
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* \author Vianney Lecroart
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* \author Nevrax France
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* \date 2001
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*/
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class CPath
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{
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NLMISC_SAFE_SINGLETON_DECL_PTR(CPath);
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public:
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/** Adds a search path.
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* The path is a directory "c:/temp" all files in the directory will be included (and recursively if asked)
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*
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* Alternative directories are not pre-cached (instead of non Alternative files) and will be used when a file is not found in the standard directories.
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* For example, local data will be in the cached directories and server repository files will be in the Alternative files. If a new file is not
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* found in the local data, we'll try to find it on the repository.
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*
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* When Alternative is false, all added file names must be unique or a warning will be display. In the Alternative directories, it could have
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* more than one file with the same name.
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*
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* \warning the path you provide is case sensitive, you must be sure that the path name is exactly the same
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*
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* \param path the path name.k The separator for directories could be '/' or '\' (bit '\' will be translate into '/' in the function).
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* \param recurse true if you want the function recurse in sub-directories.
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* \param Alternative true if you want to add the path in the Alternative directories.
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* \param progressCallBack is a progression callback interface pointer.
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*/
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static void addSearchPath (const std::string &path, bool recurse, bool alternative, class IProgressCallback *progressCallBack = NULL);
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/** Used only for compatibility with the old CPath. In this case, we don't use the map to have the same behavior as the old CPath */
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static void addSearchPath (const std::string &path) { addSearchPath (path, false, true, NULL); }
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/** Same as AddSearchPath but with a file "c:/autoexec.bat" this file only will included. wildwards *doesn't* work */
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static void addSearchFile (const std::string &file, bool remap = false, const std::string &virtual_ext = "", class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Same as AddSearchPath but with a path file "c:/test.pth" all files name contain in this file will be included (the extention is used to know that it's a path file) */
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static void addSearchListFile (const std::string &filename, bool recurse, bool alternative);
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/** Same as AddSearchPath but with a big file "c:/test.nbf" all files name contained in the big file will be included (the extention (Nel Big File) is used to know that it's a big file) */
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static void addSearchBigFile (const std::string &filename, bool recurse, bool alternative, class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Same as AddSearchPath but with a xml pack file "c:/test.xml_pack" all files name contained in the xml pack will be included */
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static void addSearchXmlpackFile (const std::string &sXmlpackFilename, bool recurse, bool alternative, class NLMISC::IProgressCallback *progressCallBack = NULL);
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/** Remove all search path contains in the alternative directories */
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static void removeAllAlternativeSearchPath ();
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// Remove a set of big file from the search paths (and also from CBigFile)
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static void removeBigFiles(const std::vector<std::string> &bnpFilenames);
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/** Returns the long name (path + filename) for the specified file.
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* The directory separator is always '/'.
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* First, the lookup() lookups in standard directories (Alternative=false).
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* If not found, it lookups in the Alternative directories.
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* If not found the lookup() returns empty string "" (and generate an exception if throwException is true)
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*
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* The filename is not case sensitive so if the real filename is "FooBAR.Jpg" and you call lookup("fOOBar.jPg"), it'll
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* return the real filename "FooBAR.Jpg"
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*
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* \param filename the file name you are seeking. (ex: "test.txt")
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* \param throwException used for backward compatibility, set to true to generate an EPathNotFound.
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* \param displayWarning set to false if you don't want the function displays a warning if the file is not found
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* \param lookupInLocalDirectory if true, the lookup() will first try to open the file without path.
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* \return empty string if file is not found or the full path + file name (ex: "c:/temp/test.txt");
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*
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* ***********************************************
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* WARNING: This Method is NOT thread safe
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* user must ensure that no mutator is called on CPath while async loading
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* ***********************************************
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*
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*/
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static std::string lookup (const std::string &filename, bool throwException = true, bool displayWarning = true, bool lookupInLocalDirectory = true);
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/** Return if a file is present in the lookup map.
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* The function changes filename into lower case and removes ended spaces before searching.
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*
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* \warning This function checks *only* in the map, not in local dir or alternative dir
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*
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* \param filename the file name you are seeking. (ex: "test.txt")
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* \param lookupInLocalDirectory if true, the lookup() will first try to open the file without path.
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* \return true if the filename exists in the map used by lookup to know where the file is, false otherwise
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*/
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static bool exists (const std::string &filename);
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/** Clears the map that contains all cached files (Use this function to take into account new files).
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*/
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static void clearMap ();
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/** Add a remapping function to allow file extension substitution.
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* - eg remapExtension("dds", "tga", true) Where the boolean indicates whether
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* the "dds" should replace a "tga" if one exists - again - a warning should
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* be generated if the two are present.
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*
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* ie: If you have a file called pic.dds and you call remapExtension("dds", "tga", true),
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* if you call lookup("pic.tga"), it'll return "pic.dds"
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*
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*/
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static void remapExtension (const std::string &ext1, const std::string &ext2, bool substitute);
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/** Add file remapping
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* ie: If you have a file called pic.dds, and call remapFile("picture.dds", "pic.dds")
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* calling lookup("picture.dds") will in fact call lookup("pic.dds")
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*/
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static void remapFile (const std::string &file1, const std::string &file2);
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/** Load a file containing the remapped file (you must have done addsearchpath, this method use lookup)
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* Format is remapped_name_file, real_file
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* separators are , and \n
|
|
*/
|
|
static void loadRemappedFiles (const std::string &file);
|
|
|
|
static void display ();
|
|
|
|
/** Take a path and put it in the portable format and add a terminated / if needed
|
|
* ie: "C:\\Game/dir1" will become "C:/Game/dir1/" or "C:/Game/dir1" if addFinalSlash is false
|
|
*/
|
|
static std::string standardizePath (const std::string &path, bool addFinalSlash = true);
|
|
|
|
/** Replace / with \ for dos process. Use only this function if can't do another way.
|
|
* For example, if you do a system("copy data/toto data/tata"); it'll not work because dos doesn't
|
|
* understand /.
|
|
* But in the majority of case, / working (it works for fopen for example)
|
|
*/
|
|
static std::string standardizeDosPath (const std::string &path);
|
|
|
|
|
|
/** List all files in a directory.
|
|
* \param path path where files are scanned. No-op if empty
|
|
* \param recurse true if want to recurs directories
|
|
* \param wantDir true if want to add directories in result
|
|
* \param wantFile true if want to add files in result
|
|
* \param result list of string where directories/files names are added.
|
|
* \param progressCallBack is a progression callback interface pointer.
|
|
* \param showEverything false skips *.log files and CVS directories
|
|
*/
|
|
static void getPathContent (const std::string &path, bool recurse, bool wantDir, bool wantFile, std::vector<std::string> &result, class IProgressCallback *progressCallBack = NULL, bool showEverything=false);
|
|
|
|
/** Get the full path based on a file/path and the current directory. Example, imagine that the current path is c:\temp and toto is a directory
|
|
* getFullPath ("toto") returns "c:/temp/toto/"
|
|
* getFullPath ("../toto") returns "c:/temp/../toto/"
|
|
* getFullPath ("d:\dir\toto") returns "d:/dir/toto/"
|
|
* getFullPath ("\toto") returns "c:/toto/"
|
|
* getFullPath ("") returns "c:/temp/"
|
|
*
|
|
* \param path the path
|
|
* \return the full path
|
|
*/
|
|
static std::string getFullPath (const std::string &path, bool addFinalSlash = true);
|
|
|
|
/** Returns the current path of the application.
|
|
*/
|
|
static std::string getCurrentPath ();
|
|
|
|
/** Set the current path of the application.
|
|
*/
|
|
static bool setCurrentPath (const std::string &path);
|
|
|
|
/** Create a list of file having the requested extension.
|
|
*/
|
|
static void getFileList(const std::string &extension, std::vector<std::string> &filenames);
|
|
|
|
/** Create a list of file having the requested string in the filename and the requested extension.
|
|
*/
|
|
static void getFileListByName(const std::string &extension, const std::string &name, std::vector<std::string> &filenames);
|
|
|
|
/** Create a list of file having the requested string in the path and the requested extension
|
|
*/
|
|
static void getFileListByPath(const std::string &extension, const std::string &path, std::vector<std::string> &filenames);
|
|
|
|
/** Make a path relative to another if possible, else doesn't change it.
|
|
* \param basePath is the base path to be relative to.
|
|
* \param relativePath is the path to make relative to basePath.
|
|
* return true if relativePath as been done relative to basePath, false is relativePath has not been changed.
|
|
*/
|
|
static bool makePathRelative (const char *basePath, std::string &relativePath);
|
|
|
|
/** Make path absolute
|
|
* \param relativePath - The relative path
|
|
* \param directory - the directory to which the path is relative to
|
|
* \param simplify - if we should simplify or not the path (convert . and .. in path)
|
|
* returns the absolute path, or empty if something went wrong.
|
|
*/
|
|
static std::string makePathAbsolute (const std::string &relativePath, const std::string &directory, bool simplify = false );
|
|
|
|
/** Return if a path is absolute or not.
|
|
* \param path - The path
|
|
* returns true if path is absolute or false if relative.
|
|
*/
|
|
static bool isAbsolutePath (const std::string &path);
|
|
|
|
/** If File in this list is added more than one in an addSearchPath, it doesn't launch a warning.
|
|
*/
|
|
static void addIgnoredDoubleFile(const std::string &ignoredFile);
|
|
|
|
/** For the moment after memoryCompress you cant addsearchpath anymore
|
|
*/
|
|
static void memoryCompress();
|
|
|
|
static void memoryUncompress();
|
|
|
|
static bool isMemoryCompressed() { return getInstance()->_FileContainer.isMemoryCompressed(); }
|
|
|
|
/** Get the ms windows directory (in standardized way with end slash), or returns an empty string on other os
|
|
*/
|
|
static std::string getWindowsDirectory();
|
|
|
|
/** Get application directory.
|
|
* \return directory where applications should write files.
|
|
*/
|
|
static std::string getApplicationDirectory(const std::string &appName = "");
|
|
|
|
/** Get a temporary directory.
|
|
* \return temporary directory where applications should write files.
|
|
*/
|
|
static std::string getTemporaryDirectory();
|
|
|
|
// release singleton
|
|
static void releaseInstance();
|
|
|
|
private:
|
|
|
|
CPath()
|
|
{
|
|
}
|
|
|
|
/// The container used by the standard CPath
|
|
CFileContainer _FileContainer;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* Utility class for file manipulation
|
|
* \author Vianney Lecroart
|
|
* \author Nevrax France
|
|
* \date 2001
|
|
*/
|
|
struct CFile
|
|
{
|
|
/**
|
|
* Retrieve the associated file name.
|
|
* An empty string is returned if the path is invalid
|
|
*/
|
|
static std::string getFilename (const std::string &filename);
|
|
|
|
/**
|
|
* Retrieve the associated file path with the trailing slash.
|
|
* Returns an empty string if the path is invalid
|
|
*/
|
|
static std::string getPath (const std::string &filename);
|
|
|
|
/**
|
|
* Just to know if it is a directory.
|
|
* _FileName empty and path not !!!
|
|
*/
|
|
static bool isDirectory (const std::string &filename);
|
|
|
|
/**
|
|
* Return true if the file exists.
|
|
* Warning: this test will also tell that the file does not
|
|
* exist if you don't have the rights to read it (Unix).
|
|
*/
|
|
static bool fileExists (const std::string &filename);
|
|
|
|
/**
|
|
* Return true if the file OR directory exists.
|
|
* Warning: this test will also tell that the file does not
|
|
* exist if you don't have the rights to read it (Unix).
|
|
*/
|
|
static bool isExists (const std::string& filename);
|
|
|
|
/**
|
|
* Create an empty file.
|
|
* Return true if the file has been correctly created.
|
|
*/
|
|
static bool createEmptyFile (const std::string& filename);
|
|
|
|
/**
|
|
* Return a new filename that doesn't exist. It's used for screenshot filename for example.
|
|
* example: findNewFile("foobar.tga");
|
|
* will try foobar001.tga, if the file exists, try foobar002.tga and so on until it finds an unexistant file.
|
|
*/
|
|
static std::string findNewFile (const std::string &filename);
|
|
|
|
/**
|
|
* Return the position between [begin,end[ of the last separator between path and filename ('/' or '\').
|
|
* If there's no separator, it returns string::npos.
|
|
*/
|
|
static std::string::size_type getLastSeparator (const std::string &filename);
|
|
|
|
static std::string getFilenameWithoutExtension (const std::string &filename);
|
|
static std::string getExtension (const std::string &filename);
|
|
|
|
/**
|
|
* Return the size of the file (in bytes).
|
|
*
|
|
* You have to provide the full path of the file (the function doesn't lookup)
|
|
*/
|
|
static uint32 getFileSize (const std::string &filename);
|
|
|
|
/**
|
|
* Return the size of the file (in bytes).
|
|
*/
|
|
static uint32 getFileSize (FILE *f);
|
|
|
|
/**
|
|
* Return Time of last modification of file. 0 if not found.
|
|
*
|
|
* You have to provide the full path of the file (the function doesn't lookup)
|
|
* The time is measured in second since 01-01-1970 0:0:0 UTC
|
|
*/
|
|
static uint32 getFileModificationDate(const std::string &filename);
|
|
|
|
/**
|
|
* Set the time of last modification of file.
|
|
*
|
|
* You have to provide the full path of the file (the function doesn't lookup)
|
|
* The time is measured in second since 01-01-1970 0:0:0 UTC
|
|
* Return 'true' if the file date has been changed or false in case of error.
|
|
*/
|
|
static bool setFileModificationDate(const std::string &filename, uint32 modTime);
|
|
|
|
/**
|
|
* Return creation Time of the file. 0 if not found.
|
|
*
|
|
* You have to provide the full path of the file (the function doesn't lookup)
|
|
*/
|
|
static uint32 getFileCreationDate(const std::string &filename);
|
|
|
|
/**
|
|
* Add a callback that will be call when the content file, named filename, changed.
|
|
* The system use the file modification date. To work, you need to call evenly the
|
|
* function checkFileChange(), this function only checks every 1s by default (you can
|
|
* change the default time)
|
|
*
|
|
* ie:
|
|
* void cb (const std::string &filename) { nlinfo ("the file %s changed", filename.c_str()); }
|
|
* CFile::addFileChangeCallback ("myfile.txt", cb);
|
|
*
|
|
*/
|
|
static void addFileChangeCallback (const std::string &filename, void (*)(const std::string &filename));
|
|
|
|
/**
|
|
* Remove a file that was previously added by addFileChangeCallback
|
|
*/
|
|
static void removeFileChangeCallback (const std::string &filename);
|
|
|
|
/**
|
|
* You have to call this function evenly (each frame for example) to enable the file change callback system.
|
|
* If the file not exists and is created in the run time, the callback will be called.
|
|
* If the file exists and is removed in the run time, the callback will be called.
|
|
*
|
|
* \param frequency the time in millisecond that we wait before check another time (1s by default).
|
|
*/
|
|
static void checkFileChange (TTime frequency = 1000);
|
|
|
|
/** Copy a file
|
|
* NB this keeps file attributes
|
|
* \param failIfExists If the destination file exists, nothing is done, and it returns false.
|
|
* \return true if the copy succeeded
|
|
*/
|
|
static bool copyFile(const std::string &dest, const std::string &src, bool failIfExists = false, class IProgressCallback *progress = NULL);
|
|
|
|
/** Compare 2 files
|
|
* \return true if both files exist and the files have same timestamp and size
|
|
*/
|
|
static bool quickFileCompare(const std::string &fileName0, const std::string &fileName1);
|
|
|
|
/** Compare 2 files
|
|
* \param maxBufSize fixes max memory space to use for the pair buffers used for data comparison (eg 16 would allow 8 bytes per buffer for the 2 buffers)
|
|
* \return true if both files exist and the files have same contents (timestamp is ignored)
|
|
*/
|
|
static bool thoroughFileCompare(const std::string &fileName0, const std::string &fileName1,uint32 maxBufSize=1024*1024*2);
|
|
|
|
/** Move a file
|
|
* NB this keeps file attributes
|
|
*/
|
|
static bool moveFile(const std::string &dest, const std::string &src);
|
|
|
|
/** Create a directory
|
|
* \return true if success
|
|
*/
|
|
static bool createDirectory(const std::string &dirname);
|
|
|
|
/** Create a directory and any missing parent directories
|
|
* \return true if success
|
|
*/
|
|
static bool createDirectoryTree(const std::string &dirname);
|
|
|
|
/** Try to set the file access to read/write if not already set.
|
|
* return true if the file doesn't exist or if the file already have RW access.
|
|
* Work actually only on Windows and returns always true on other platforms.
|
|
* \return true if RW access is granted
|
|
*/
|
|
static bool setRWAccess(const std::string &filename);
|
|
|
|
/** Delete a file if possible (change the write access if possible)
|
|
* \return true if the delete occurs.
|
|
*/
|
|
static bool deleteFile(const std::string &filename);
|
|
|
|
/** Delete a directory if possible (change the write access if possible)
|
|
* \return true if the delete occurs.
|
|
*/
|
|
static bool deleteDirectory(const std::string &filename);
|
|
|
|
/** Get temporary output filename.
|
|
* Call this method to get a temporary output filename. If you have successfully saved your data, delete the old filename and move the new one.
|
|
*/
|
|
static void getTemporaryOutputFilename (const std::string &originalFilename, std::string &tempFilename);
|
|
};
|
|
|
|
} // NLMISC
|
|
|
|
#endif // NL_PATH_H
|
|
|
|
/* End of path.h */
|