138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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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) 2000 National Library of Medicine
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All rights reserved.
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See COPYRIGHT.txt for copyright details.
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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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* 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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* 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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/**
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* Return a string equivalent to the input string, but with all " " replaced
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* with "\ " to escape the spaces.
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*/
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static std::string EscapeSpaces(const char*);
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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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///! 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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* Return the number of times the given expression occurs in the file
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* specified by the concatenation of dir/file.
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*/
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static int Grep(const char* dir, const char* file, const char* expression);
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/**
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* Convert a path containing a cygwin drive specifier to its natural
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* equivalent.
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*/
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static void ConvertCygwinPath(std::string& pathname);
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/**
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* Read a CMake command (or function) from an input file. This
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* returns the name of the function and a list of its
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* arguments.
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*/
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static bool ParseFunction(std::ifstream&,
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std::string& name,
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std::vector<std::string>& arguments);
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/**
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* Extract white-space separated arguments from a string.
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* Double quoted strings are accepted with spaces.
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* This is called by ParseFunction.
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*/
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static void GetArguments(std::string& line,
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std::vector<std::string>& arguments);
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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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/**
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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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///! 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;
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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 void 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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///! 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 void RemoveFile(const char* source);
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static long int ModifiedTime(const char* filename);
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private:
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static bool s_ErrorOccured;
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};
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#endif
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