/*========================================================================= Program: KWSys - Kitware System Library Module: $RCSfile$ Language: C++ Date: $Date$ Version: $Revision$ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. See http://www.cmake.org/HTML/Copyright.html for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information. =========================================================================*/ #ifndef @KWSYS_NAMESPACE@_SystemTools_hxx #define @KWSYS_NAMESPACE@_SystemTools_hxx #include <@KWSYS_NAMESPACE@/std/iosfwd> #include <@KWSYS_NAMESPACE@/std/string> #include <@KWSYS_NAMESPACE@/std/vector> /* Define this macro temporarily to keep the code readable. */ #if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS) # define kwsys_std @KWSYS_NAMESPACE@_std #endif namespace @KWSYS_NAMESPACE@ { /** \class SystemTools * \brief A collection of useful platform-independent system functions. */ class SystemTools { public: /** * Replace symbols in str that are not valid in C identifiers as * defined by the 1999 standard, ie. anything except [A-Za-z0-9_]. * They are replaced with `_' and if the first character is a digit * then an underscore is prepended. Note that this can produce * identifiers that the standard reserves (_[A-Z].* and __.*). */ static kwsys_std::string MakeCindentifier(const char* s); /** * Make a new directory if it is not there. This function * can make a full path even if none of the directories existed * prior to calling this function. */ static bool MakeDirectory(const char* path); /** * Get current time as a double. On certain platforms this will * return higher resolution than seconds: * (1) gettimeofday() -- resolution in microseconds * (2) ftime() -- resolution in milliseconds * (3) time() -- resolution in seconds */ static double GetTime(); /** * Replace replace all occurances of the string in * the source string. */ static void ReplaceString(kwsys_std::string& source, const char* replace, const char* with); /** * Read a registry value */ static bool ReadRegistryValue(const char *key, kwsys_std::string &value); /** * Write a registry value */ static bool WriteRegistryValue(const char *key, const char *value); /** * Delete a registry value */ static bool DeleteRegistryValue(const char *key); /** * Return a capitalized string (i.e the first letter is uppercased, * all other are lowercased). */ static kwsys_std::string Capitalized(const kwsys_std::string&); /** * Return a lower case string */ static kwsys_std::string LowerCase(const kwsys_std::string&); /** * Return a lower case string */ static kwsys_std::string UpperCase(const kwsys_std::string&); /** * do a case-independent string comparison */ static int Strucmp(const char *s1, const char *s2); /** * Replace Windows file system slashes with Unix-style slashes. */ static void ConvertToUnixSlashes(kwsys_std::string& path); /** * For windows this calles ConvertToWindowsOutputPath and for unix * it calls ConvertToUnixOutputPath */ static kwsys_std::string ConvertToOutputPath(const char*); /** Return true if a file exists in the current directory. */ static bool FileExists(const char* filename); static unsigned long FileLength(const char *filename); /** * Add the paths from the environment variable PATH to the * string vector passed in. */ static void GetPath(kwsys_std::vector& path); /** * Get the file extension (including ".") needed for an executable * on the current platform ("" for unix, ".exe" for Windows). */ static const char* GetExecutableExtension(); /** * Copy the source file to the destination file only * if the two files differ. */ static bool CopyFileIfDifferent(const char* source, const char* destination); ///! Compare the contents of two files. Return true if different. static bool FilesDiffer(const char* source, const char* destination); ///! return true if the two files are the same file static bool SameFile(const char* file1, const char* file2); ///! Copy a file. static bool CopyFileAlways(const char* source, const char* destination); ///! Remove a file. static bool RemoveFile(const char* source); ///! Find a file in the system PATH, with optional extra paths. static kwsys_std::string FindFile(const char* name, const kwsys_std::vector& path= kwsys_std::vector()); ///! Find an executable in the system PATH, with optional extra paths. static kwsys_std::string FindProgram(const char* name, const kwsys_std::vector& path = kwsys_std::vector(), bool no_system_path = false); ///! Find a library in the system PATH, with optional extra paths. static kwsys_std::string FindLibrary(const char* name, const kwsys_std::vector& path); ///! return true if the file is a directory. static bool FileIsDirectory(const char* name); static kwsys_std::string GetCurrentWorkingDirectory(); /** * Given the path to a program executable, get the directory part of * the path with the file stripped off. If there is no directory * part, the empty string is returned. */ static kwsys_std::string GetProgramPath(const char*); static bool SplitProgramPath(const char* in_name, kwsys_std::string& dir, kwsys_std::string& file, bool errorReport = true); /** * Given a path to a file or directory, convert it to a full path. * This collapses away relative paths relative to the cwd argument * (which defaults to the current working directory). The full path * is returned. */ static kwsys_std::string CollapseFullPath(const char* in_relative); static kwsys_std::string CollapseFullPath(const char* in_relative, const char* in_base); ///! return path of a full filename (no trailing slashes). static kwsys_std::string GetFilenamePath(const kwsys_std::string&); ///! return file name of a full filename (i.e. file name without path). static kwsys_std::string GetFilenameName(const kwsys_std::string&); ///! Split a program from its arguments and handle spaces in the paths. static void SplitProgramFromArgs(const char* path, kwsys_std::string& program, kwsys_std::string& args); ///! return longest file extension of a full filename (dot included). static kwsys_std::string GetFilenameExtension(const kwsys_std::string&); ///! return shortest file extension of a full filename (dot included). static kwsys_std::string GetFilenameLastExtension(const kwsys_std::string& filename); ///! return file name without extension of a full filename. static kwsys_std::string GetFilenameWithoutExtension(const kwsys_std::string&); ///! return file name without its last (shortest) extension. static kwsys_std::string GetFilenameWithoutLastExtension(const kwsys_std::string&); /** Return whether the path represents a full path (not relative). */ static bool FileIsFullPath(const char*); static long int ModifiedTime(const char* filename); ///! for windows return the short path for the given path, unix just a pass through static bool GetShortPath(const char* path, kwsys_std::string& result); ///! change directory the the directory specified static int ChangeDirectory(const char* dir); /** Split a string on its newlines into multiple lines. Returns false only if the last line stored had no newline. */ static bool Split(const char* s, kwsys_std::vector& l); static kwsys_std::string GetCurrentDateTime(const char* format); /** Get the result of strerror(errno). */ static kwsys_std::string GetLastSystemError(); /** When building DEBUG with MSVC, this enables a hook that prevents * error dialogs from popping up if the program is being run from * DART. */ static void EnableMSVCDebugHook(); /** * Read line from file. Make sure to get everything. Due to a buggy stream * library on the HP and another on Mac OSX, we need this very carefully * written version of getline. Returns true if any data were read before the * end-of-file was reached. */ static bool GetLineFromStream(kwsys_std::istream& istr, kwsys_std::string& line); protected: // these two functions can be called from ConvertToOutputPath /** * Convert the path to a string that can be used in a unix makefile. * double slashes are removed, and spaces are escaped. */ static kwsys_std::string ConvertToUnixOutputPath(const char*); /** * Convert the path to string that can be used in a windows project or * makefile. Double slashes are removed if they are not at the start of * the string, the slashes are converted to windows style backslashes, and * if there are spaces in the string it is double quoted. */ static kwsys_std::string ConvertToWindowsOutputPath(const char*); }; } // namespace @KWSYS_NAMESPACE@ /* Undefine temporary macro. */ #if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS) # undef kwsys_std #endif #endif