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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#ifndef cmSystemTools_h
#define cmSystemTools_h
#include "cmStandardIncludes.h"
/** \class cmSystemTools
* \brief A collection of useful functions for CMake.
*
* cmSystemTools is a class that provides helper functions
* for the CMake build system.
*/
class cmSystemTools
{
public:
/**
* 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);
/**
* Replace replace all occurances of the string in
* the source string.
*/
static void ReplaceString(std::string& source,
const char* replace,
const char* with);
/**
* Replace Windows file system slashes with Unix-style slashes.
*/
static void ConvertToUnixSlashes(std::string& path);
/**
* Return true if a file exists in the current directory.
*/
static bool FileExists(const char* filename);
/**
* Return the number of times the given expression occurs in the file
* specified by the concatenation of dir/file.
*/
static int Grep(const char* dir, const char* file, const char* expression);
/**
* Convert a path containing a cygwin drive specifier to its natural
* equivalent.
*/
static void ConvertCygwinPath(std::string& pathname);
/**
* Read a CMake rule (or function) from an input file. This
* returns the name of the function and a list of its
* arguments.
*/
static bool ParseFunction(std::ifstream&,
std::string& name,
std::vector<std::string>& arguments);
/**
* Extract white-space separated arguments from a string.
* Double quoted strings are accepted with spaces.
* This is called by ParseFunction.
*/
static void GetArguments(std::string& line,
std::vector<std::string>& arguments);
/**
* Display an error message.
*/
static void Error(const char* m, const char* m2=0 );
};
#endif
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