OpenSceneGraph/include/osgDB/FileUtils
Robert Osfield 5f4c155d6b Added back in support for checking the current working directory by default, but now do the check
after the Options and Registry DataFilePathLists have been checked, which will allow users to better control
over where files are searched for.
2012-02-09 14:28:39 +00:00

141 lines
6.4 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_FILEUTILS
#define OSGDB_FILEUTILS 1
#include <osgDB/Registry>
#include <vector>
#include <deque>
#include <string>
#include <stdio.h>
namespace osgDB {
/** Overload of the standard fopen function. If OSG_USE_UTF8_FILENAME is defined,
* filename will be expanded from UTF8 to UTF16 and _wfopen will be called. */
extern OSGDB_EXPORT FILE* fopen(const char* filename, const char* mode);
/** Make a new directory. Returns true if directory exists or was created. */
extern OSGDB_EXPORT bool makeDirectory( const std::string &directoryPath );
/** Make a new directory for a given file. */
extern OSGDB_EXPORT bool makeDirectoryForFile( const std::string &filePath );
/** Get current working directory. */
extern OSGDB_EXPORT std::string getCurrentWorkingDirectory( void );
/** Set current working directory. */
extern OSGDB_EXPORT bool setCurrentWorkingDirectory( const std::string &newCurrentWorkingDirectory );
/** return true if a file exists. */
extern OSGDB_EXPORT bool fileExists(const std::string& filename);
enum FileType
{
FILE_NOT_FOUND,
REGULAR_FILE,
DIRECTORY
};
/** return type of file. */
extern OSGDB_EXPORT FileType fileType(const std::string& filename);
/** find specified file in specified file path.*/
extern OSGDB_EXPORT std::string findFileInPath(const std::string& filename, const FilePathList& filePath,CaseSensitivity caseSensitivity=CASE_SENSITIVE);
/** return the directory/filename of a file if its is contained within specified directory.
* return "" if directory does not contain file. If caseInsensitive is set to true then
* a case insensitive comparison is used to compare fileName to directory contents.
* This is useful when unix programs attempt read case insensitive windows filenames.
*/
extern OSGDB_EXPORT std::string findFileInDirectory(const std::string& fileName,const std::string& dirName,CaseSensitivity caseSensitivity=CASE_SENSITIVE);
/** simple list of names to represent a directory's contents. */
typedef std::vector<std::string> DirectoryContents;
/** Return the contents of a directory.
* Return value will contain filenames only, not absolute paths.
* Returns an empty array on any error.*/
extern OSGDB_EXPORT DirectoryContents getDirectoryContents(const std::string& dirName);
/** Return the list of filenames that match the given filename with wildcards.
* Will only expand '*', and will not expand wildcards in directory, only in
* filename part of the given filename.
* Return value will contain path+filename so that if ever the above
* limitation (expanding wildcards in directory) is fixed, client code will
* still work unchanged. */
extern OSGDB_EXPORT DirectoryContents expandWildcardsInFilename(const std::string& filename);
namespace FileOpResult {
enum Value
{
OK, /**< Operation done. */
SOURCE_EQUALS_DESTINATION, /**< Operation is useless (source == destination). */
BAD_ARGUMENT,
SOURCE_MISSING, /**< Source file doesn't exist. */
SOURCE_NOT_OPENED, /**< Error opening source file. */
DESTINATION_NOT_OPENED, /**< Error opening destination file. */
READ_ERROR,
WRITE_ERROR
};
}
/** Copy a file to another location, overwriting if necessary.
* You must provide full path for both source and destination.
* \return true on success, or if source and destination are the same.
* \todo Replace the implementation with filesystem functions from TR2 when available.
*/
extern OSGDB_EXPORT FileOpResult::Value copyFile(const std::string & source, const std::string & destination);
inline void setDataFilePathList(const FilePathList& filepath) { osgDB::Registry::instance()->setDataFilePathList(filepath); }
inline void setDataFilePathList(const std::string& paths) { osgDB::Registry::instance()->setDataFilePathList(paths); }
inline FilePathList& getDataFilePathList() { return osgDB::Registry::instance()->getDataFilePathList(); }
/** Search for specified file in file system, checking the DataFilePathList for possible paths,
* returning the full path of the first valid file found, return an empty string if no string is found.
*/
extern OSGDB_EXPORT std::string findDataFile(const std::string& filename,CaseSensitivity caseSensitivity=CASE_SENSITIVE);
/** Search for specified file in file system, checking first the database path set in the Options structure, then the DataFilePathList for possible paths,
* returning the full path of the first valid file found, return an empty string if no string is found.
*/
extern OSGDB_EXPORT std::string findDataFile(const std::string& filename,const Options* options, CaseSensitivity caseSensitivity=CASE_SENSITIVE);
inline void setLibraryFilePathList(const FilePathList& filepaths) { osgDB::Registry::instance()->setLibraryFilePathList(filepaths); }
inline void setLibraryFilePathList(const std::string& paths) { osgDB::Registry::instance()->setLibraryFilePathList(paths); }
inline FilePathList& getLibraryFilePathList() { return osgDB::Registry::instance()->getLibraryFilePathList(); }
extern OSGDB_EXPORT std::string findLibraryFile(const std::string& filename,CaseSensitivity caseSensitivity=CASE_SENSITIVE);
/** convert a string containing a list of paths delimited either with ';' (Windows) or ':' (All other platforms) into FilePath representation.*/
extern OSGDB_EXPORT void convertStringPathIntoFilePathList(const std::string& paths,FilePathList& filepath);
/** Return true if FilePathList contains a filepath that is significies checking of the current working directory.*/
extern OSGDB_EXPORT bool containsCurrentWorkingDirectoryReference(const FilePathList& paths);
extern OSGDB_EXPORT void appendPlatformSpecificLibraryFilePaths(FilePathList& filepath);
extern OSGDB_EXPORT void appendPlatformSpecificResourceFilePaths(FilePathList& filepath);
} // namespace osgDB
#endif