1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2001 Insight Consortium
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the Insight Consortium, nor the names of any consortium members,
nor of any contributors, may be used to endorse or promote products derived
from this software without specific prior written permission.
* Modified source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#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);
/**
* Return a string equivalent to the input string, but with all " " replaced
* with "\ " to escape the spaces.
*/
static std::string EscapeSpaces(const char*);
/**
* 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 command (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);
/**
* Add the paths from the environment variable PATH to the
* string vector passed in.
*/
static void GetPath(std::vector<std::string>& path);
/**
* Get the file extension (including ".") needed for an executable
* on the current platform ("" for unix, ".exe" for Windows).
*/
static const char* GetExecutableExtension();
/**
* Display an error message.
*/
static void Error(const char* m, const char* m2=0,
const char* m3=0, const char* m4=0);
///! Return true if there was an error at any point.
static bool GetErrorOccuredFlag()
{
return cmSystemTools::s_ErrorOccured;
}
/**
* Copy the source file to the destination file only
* if the two files differ.
*/
static void 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);
///! Copy a file.
static void cmCopyFile(const char* source,
const char* destination);
///! Remove a file.
static void RemoveFile(const char* source);
/**
* does a string indicate a true or on value ? This is not the same
* as ifdef.
*/
static bool IsOn(const char* val);
/**
* does a string indicate a false or off value ? Note that this is
* not the same as !IsOn(...) because there are a number of
* ambiguous values such as "/usr/local/bin" a path will result in
* IsON and IsOff both returning false. Note that the special path
* NOTFOUND will cause IsOff to return true.
*/
static bool IsOff(const char* val);
///! Find an executable in the system PATH, with optional extra paths.
static std::string FindProgram(const char* name,
const std::vector<std::string>& path= std::vector<std::string>());
///! Find a library in the system PATH, with optional extra paths.
static std::string FindLibrary(const char* name,
const std::vector<std::string>& path);
///! return true if the file is a directory.
static bool FileIsDirectory(const char* name);
static std::string GetCurrentWorkingDirectory();
static std::string GetProgramPath(const char*);
static void SplitProgramPath(const char* in_name, std::string& dir, std::string& file);
static std::string CollapseFullPath(const char*);
static long int ModifiedTime(const char* filename);
/**
* Run an executable command and put the stdout in output.
* A temporary file is created in the binaryDir for storing the
* output because windows does not have popen.
*/
static bool RunCommand(const char* command,
std::string& output);
///! Generate a temporary file name
static std::string TemporaryFileName();
private:
static bool s_ErrorOccured;
};
#endif
|
