mirror of
https://github.com/reactos/CMake.git
synced 2024-11-29 06:20:23 +00:00
cde384411d
- Fixed CollapseFullPath to work on relative paths with base paths
not in the current working directory.
- INCLUDE command now supports relative paths (using above fix).
- Added ABSOLUTE option to GET_FILENAME_COMPONENT command to
unwind symlinks and relative paths.
- Fixed libName_EXPORTS macro definition to be valid C identifier.
- Added DEFINE_SYMBOL target propterty for customizing the export symbol.
- Implemented LINK_FLAGS target propterty for libraries in VC6 and VC7.
Several of these fixes were contributed by Gareth Jones.
406 lines
14 KiB
C++
406 lines
14 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef cmSystemTools_h
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#define cmSystemTools_h
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#include "cmStandardIncludes.h"
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/** \class cmSystemTools
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* \brief A collection of useful functions for CMake.
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*
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* cmSystemTools is a class that provides helper functions
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* for the CMake build system.
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*/
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class cmSystemTools
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{
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public:
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/**
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* Replace symbols in str that are not valid in C identifiers as
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* defined by the 1999 standard, ie. anything except [A-Za-z0-9_].
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* They are replaced with `_' and if the first character is a digit
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* then an underscore is prepended. Note that this can produce
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* identifiers that the standard reserves (_[A-Z].* and __.*).
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*/
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static std::string MakeCindentifier(const char* s);
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/**
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* Make a new directory if it is not there. This function
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* can make a full path even if none of the directories existed
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* prior to calling this function.
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*/
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static bool MakeDirectory(const char* path);
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/**
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* Get current time as a double. On certain platforms this will
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* return higher resolution than seconds:
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* (1) gettimeofday() -- resolution in microseconds
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* (2) ftime() -- resolution in milliseconds
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* (3) time() -- resolution in seconds
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*/
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static double GetTime();
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/**
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* Replace replace all occurances of the string in
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* the source string.
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*/
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static void ReplaceString(std::string& source,
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const char* replace,
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const char* with);
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/** Expand out any arguements in the vector that have ; separated
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* strings into multiple arguements. A new vector is created
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* containing the expanded versions of all arguments in argsIn.
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*/
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static void ExpandList(std::vector<std::string> const& argsIn,
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std::vector<std::string>& argsOut);
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static void ExpandListArgument(const std::string& arg,
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std::vector<std::string>& argsOut);
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/**
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* Read a registry value
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*/
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static bool ReadRegistryValue(const char *key, std::string &value);
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/**
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* Write a registry value
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*/
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static bool WriteRegistryValue(const char *key, const char *value);
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/**
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* Delete a registry value
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*/
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static bool DeleteRegistryValue(const char *key);
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/**
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* Look for and replace registry values in a string
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*/
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static void ExpandRegistryValues(std::string& source);
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/**
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* Return a capitalized string (i.e the first letter is uppercased, all other
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* are lowercased).
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*/
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static std::string Capitalized(const std::string&);
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/**
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* Return a lower case string
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*/
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static std::string LowerCase(const std::string&);
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/**
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* Return a lower case string
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*/
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static std::string UpperCase(const std::string&);
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/**
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* Replace Windows file system slashes with Unix-style slashes.
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*/
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static void ConvertToUnixSlashes(std::string& path);
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/**
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* Platform independent escape spaces, unix uses backslash,
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* windows double quotes the string.
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*/
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static std::string EscapeSpaces(const char* str);
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///! Escape quotes in a string.
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static std::string EscapeQuotes(const char* str);
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/**
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* For windows this calles ConvertToWindowsOutputPath and for unix
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* it calls ConvertToUnixOutputPath
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*/
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static std::string ConvertToOutputPath(const char*);
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///! Return true if a file exists in the current directory.
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static bool FileExists(const char* filename);
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/**
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* Given a string, replace any escape sequences with the corresponding
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* characters.
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*/
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static std::string RemoveEscapes(const char*);
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/**
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* Add the paths from the environment variable PATH to the
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* string vector passed in.
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*/
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static void GetPath(std::vector<std::string>& path);
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/**
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* Get the file extension (including ".") needed for an executable
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* on the current platform ("" for unix, ".exe" for Windows).
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*/
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static const char* GetExecutableExtension();
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typedef void (*ErrorCallback)(const char*, const char*, bool&, void*);
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/**
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* Set the function used by GUI's to display error messages
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* Function gets passed: message as a const char*,
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* title as a const char*, and a reference to bool that when
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* set to false, will disable furthur messages (cancel).
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*/
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static void SetErrorCallback(ErrorCallback f, void* clientData=0);
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/**
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* Display an error message.
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*/
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static void Error(const char* m, const char* m2=0,
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const char* m3=0, const char* m4=0);
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/**
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* Display a message.
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*/
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static void Message(const char* m, const char* title=0);
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///! Return true if there was an error at any point.
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static bool GetErrorOccuredFlag()
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{
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return cmSystemTools::s_ErrorOccured || cmSystemTools::s_FatalErrorOccured;
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}
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///! If this is set to true, cmake stops processing commands.
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static void SetFatalErrorOccured()
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{
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cmSystemTools::s_FatalErrorOccured = true;
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}
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///! Return true if there was an error at any point.
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static bool GetFatalErrorOccured()
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{
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return cmSystemTools::s_FatalErrorOccured;
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}
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///! Set the error occured flag and fatal error back to false
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static void ResetErrorOccuredFlag()
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{
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cmSystemTools::s_FatalErrorOccured = false;
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cmSystemTools::s_ErrorOccured = false;
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}
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/**
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* Copy the source file to the destination file only
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* if the two files differ.
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*/
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static bool CopyFileIfDifferent(const char* source,
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const char* destination);
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///! Compare the contents of two files. Return true if different.
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static bool FilesDiffer(const char* source,
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const char* destination);
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///! return true if the two files are the same file
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static bool SameFile(const char* file1, const char* file2);
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///! Copy a file.
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static void cmCopyFile(const char* source,
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const char* destination);
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///! Remove a file.
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static bool RemoveFile(const char* source);
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/**
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* does a string indicate a true or on value ? This is not the same
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* as ifdef.
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*/
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static bool IsOn(const char* val);
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/**
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* does a string indicate a false or off value ? Note that this is
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* not the same as !IsOn(...) because there are a number of
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* ambiguous values such as "/usr/local/bin" a path will result in
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* IsON and IsOff both returning false. Note that the special path
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* NOTFOUND, *-NOTFOUND or IGNORE will cause IsOff to return true.
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*/
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static bool IsOff(const char* val);
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///! Return true if value is NOTFOUND or ends in -NOTFOUND.
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static bool IsNOTFOUND(const char* value);
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///! Find a file in the system PATH, with optional extra paths.
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static std::string FindFile(const char* name,
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const std::vector<std::string>& path= std::vector<std::string>());
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///! Find an executable in the system PATH, with optional extra paths.
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static std::string FindProgram(const char* name,
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const std::vector<std::string>& path = std::vector<std::string>(),
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bool no_system_path = false);
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///! Find a library in the system PATH, with optional extra paths.
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static std::string FindLibrary(const char* name,
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const std::vector<std::string>& path);
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///! return true if the file is a directory.
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static bool FileIsDirectory(const char* name);
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static void Glob(const char *directory, const char *regexp,
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std::vector<std::string>& files);
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static void GlobDirs(const char *fullPath, std::vector<std::string>& files);
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/**
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* Try to find a list of files that match the "simple" globbing
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* expression. At this point in time the globbing expressions have
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* to be in form: /directory/partial_file_name*. The * character has
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* to be at the end of the string and it does not support ?
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* []... The optional argument type specifies what kind of files you
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* want to find. 0 means all files, -1 means directories, 1 means
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* files only. This method returns true if search was succesfull.
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*/
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static bool SimpleGlob(const std::string& glob, std::vector<std::string>& files,
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int type = 0);
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static std::string GetCurrentWorkingDirectory();
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static std::string GetProgramPath(const char*);
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static void SplitProgramPath(const char* in_name,
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std::string& dir,
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std::string& file);
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static std::string CollapseFullPath(const char* in_relative);
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static std::string CollapseFullPath(const char* in_relative,
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const char* in_base);
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///! return path of a full filename (no trailing slashes).
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static std::string GetFilenamePath(const std::string&);
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///! return file name of a full filename (i.e. file name without path).
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static std::string GetFilenameName(const std::string&);
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///! Split a program from its arguments and handle spaces in the paths.
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static void SplitProgramFromArgs(const char* path,
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std::string& program, std::string& args);
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///! return file extension of a full filename (dot included).
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static std::string GetFilenameExtension(const std::string&);
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///! return file name without extension of a full filename.
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static std::string GetFilenameWithoutExtension(const std::string&);
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///! return file name without its last (shortest) extension.
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static std::string GetFilenameWithoutLastExtension(const std::string&);
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/** Return whether the path represents a full path (not relative). */
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static bool FileIsFullPath(const char*);
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static long int ModifiedTime(const char* filename);
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/**
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* Run an executable command and put the stdout in output.
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* A temporary file is created in the binaryDir for storing the
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* output because windows does not have popen.
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*
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* If verbose is false, no user-viewable output from the program
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* being run will be generated.
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*
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* If timeout is specified, the command will be terminated after
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* timeout expires.
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*/
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static bool RunCommand(const char* command, std::string& output,
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const char* directory = 0,
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bool verbose = true, int timeout = 0);
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static bool RunCommand(const char* command, std::string& output,
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int &retVal, const char* directory = 0,
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bool verbose = true, int timeout = 0);
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///! for windows return the short path for the given path, unix just a pass through
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static bool GetShortPath(const char* path, std::string& result);
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///! change directory the the directory specified
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static int ChangeDirectory(const char* dir);
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static void EnableMessages() { s_DisableMessages = false; }
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static void DisableMessages() { s_DisableMessages = true; }
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static void DisableRunCommandOutput() {s_DisableRunCommandOutput = true; }
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static void EnableRunCommandOutput() {s_DisableRunCommandOutput = false; }
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static bool GetRunCommandOutput() { return s_DisableRunCommandOutput; }
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/** Split a string on its newlines into multiple lines. Returns
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false only if the last line stored had no newline. */
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static bool Split(const char* s, std::vector<cmStdString>& l);
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/**
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* Come constants for different file formats.
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*/
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enum FileFormat {
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NO_FILE_FORMAT = 0,
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C_FILE_FORMAT,
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CXX_FILE_FORMAT,
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JAVA_FILE_FORMAT,
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HEADER_FILE_FORMAT,
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RESOURCE_FILE_FORMAT,
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DEFINITION_FILE_FORMAT,
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STATIC_LIBRARY_FILE_FORMAT,
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SHARED_LIBRARY_FILE_FORMAT,
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MODULE_FILE_FORMAT,
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OBJECT_FILE_FORMAT,
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UNKNOWN_FILE_FORMAT
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};
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/**
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* Determine the file type based on the extension
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*/
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static FileFormat GetFileFormat(const char* ext);
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/**
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* On Windows 9x we need a comspec (command.com) substitute to run
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* programs correctly. This string has to be constant available
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* through the running of program. This method does not create a copy.
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*/
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static void SetWindows9xComspecSubstitute(const char*);
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static const char* GetWindows9xComspecSubstitute();
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/** Windows if this is true, the CreateProcess in RunCommand will
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* not show new consol windows when running programs.
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*/
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static void SetRunCommandHideConsole(bool v){s_RunCommandHideConsole = v;}
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static bool GetRunCommandHideConsole(){ return s_RunCommandHideConsole;}
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/** Call cmSystemTools::Error with the message m, plus the
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* result of strerror(errno)
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*/
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static void ReportLastSystemError(const char* m);
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/** When building DEBUG with MSVC, this enables a hook that prevents
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* error dialogs from popping up if the program is being run from
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* DART.
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*/
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static void EnableMSVCDebugHook();
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protected:
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// these two functions can be called from ConvertToOutputPath
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/**
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* Convert the path to a string that can be used in a unix makefile.
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* double slashes are removed, and spaces are escaped.
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*/
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static std::string ConvertToUnixOutputPath(const char*);
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/**
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* Convert the path to string that can be used in a windows project or
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* makefile. Double slashes are removed if they are not at the start of
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* the string, the slashes are converted to windows style backslashes, and
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* if there are spaces in the string it is double quoted.
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*/
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static std::string ConvertToWindowsOutputPath(const char*);
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private:
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static bool s_RunCommandHideConsole;
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static bool s_ErrorOccured;
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static bool s_FatalErrorOccured;
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static bool s_DisableMessages;
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static bool s_DisableRunCommandOutput;
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static ErrorCallback s_ErrorCallback;
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static void* s_ErrorCallbackClientData;
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static std::string s_Windows9xComspecSubstitute;
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};
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#endif
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