1135 lines
28 KiB
C++
1135 lines
28 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) 2001 Insight Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* The name of the Insight Consortium, nor the names of any consortium members,
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nor of any contributors, may be used to endorse or promote products derived
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from this software without specific prior written permission.
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* Modified source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#include "cmSystemTools.h"
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#include "errno.h"
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#include "stdio.h"
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#include <sys/stat.h>
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#include "cmRegularExpression.h"
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#include <ctype.h>
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#include "cmDirectory.h"
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#if defined(_MSC_VER) || defined(__BORLANDC__)
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#include <windows.h>
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#include <direct.h>
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#define _unlink unlink
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inline int Mkdir(const char* dir)
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{
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return _mkdir(dir);
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}
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inline const char* Getcwd(char* buf, unsigned int len)
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{
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return _getcwd(buf, len);
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}
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inline int Chdir(const char* dir)
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{
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#if defined(__BORLANDC__)
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return chdir(dir);
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#else
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return _chdir(dir);
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#endif
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}
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#else
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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inline int Mkdir(const char* dir)
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{
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return mkdir(dir, 00777);
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}
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inline const char* Getcwd(char* buf, unsigned int len)
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{
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return getcwd(buf, len);
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}
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inline int Chdir(const char* dir)
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{
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return chdir(dir);
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}
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#endif
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bool cmSystemTools::s_ErrorOccured = false;
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// adds the elements of the env variable path to the arg passed in
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void cmSystemTools::GetPath(std::vector<std::string>& path)
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{
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#if defined(_WIN32) && !defined(__CYGWIN__)
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const char* pathSep = ";";
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#else
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const char* pathSep = ":";
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#endif
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std::string pathEnv = getenv("PATH");
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// A hack to make the below algorithm work.
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if(pathEnv[pathEnv.length()-1] != ':')
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{
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pathEnv += pathSep;
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}
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std::string::size_type start =0;
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bool done = false;
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while(!done)
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{
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std::string::size_type endpos = pathEnv.find(pathSep, start);
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if(endpos != std::string::npos)
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{
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path.push_back(pathEnv.substr(start, endpos-start));
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start = endpos+1;
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}
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else
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{
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done = true;
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}
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}
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for(std::vector<std::string>::iterator i = path.begin();
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i != path.end(); ++i)
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{
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cmSystemTools::ConvertToUnixSlashes(*i);
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}
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}
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const char* cmSystemTools::GetExecutableExtension()
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{
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#if defined(_WIN32)
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return ".exe";
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#else
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return "";
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#endif
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}
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bool cmSystemTools::MakeDirectory(const char* path)
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{
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std::string dir = path;
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cmSystemTools::ConvertToUnixSlashes(dir);
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std::string::size_type pos = dir.find(':');
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if(pos == std::string::npos)
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{
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pos = 0;
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}
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while((pos = dir.find('/', pos)) != std::string::npos)
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{
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std::string topdir = dir.substr(0, pos);
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Mkdir(topdir.c_str());
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pos++;
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}
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if(Mkdir(path) != 0)
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{
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// There is a bug in the Borland Run time library which makes MKDIR
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// return EACCES when it should return EEXISTS
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#ifdef __BORLANDC__
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if( (errno != EEXIST) && (errno != EACCES) )
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{
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return false;
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}
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#else
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// if it is some other error besides directory exists
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// then return false
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if(errno != EEXIST)
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{
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return false;
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}
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#endif
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}
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return true;
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}
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// replace replace with with as many times as it shows up in source.
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// write the result into source.
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void cmSystemTools::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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int lengthReplace = strlen(replace);
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std::string rest;
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size_t start = source.find(replace);
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while(start != std::string::npos)
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{
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rest = source.substr(start+lengthReplace);
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source = source.substr(0, start);
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source += with;
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source += rest;
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start = source.find(replace, start + lengthReplace );
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}
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}
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#if defined(_WIN32) && !defined(__CYGWIN__)
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// Get the data of key value.
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// Example :
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// HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath
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// => will return the data of the "default" value of the key
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// HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root
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// => will return the data of the "Root" value of the key
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bool ReadAValue(std::string &res, const char *key)
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{
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// find the primary key
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std::string primary = key;
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std::string second;
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std::string valuename;
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size_t start = primary.find("\\");
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if (start == std::string::npos)
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{
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return false;
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}
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size_t valuenamepos = primary.find(";");
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if (valuenamepos != std::string::npos)
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{
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valuename = primary.substr(valuenamepos+1);
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}
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second = primary.substr(start+1, valuenamepos-start-1);
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primary = primary.substr(0, start);
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HKEY primaryKey;
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if (primary == "HKEY_CURRENT_USER")
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{
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primaryKey = HKEY_CURRENT_USER;
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}
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if (primary == "HKEY_CURRENT_CONFIG")
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{
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primaryKey = HKEY_CURRENT_CONFIG;
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}
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if (primary == "HKEY_CLASSES_ROOT")
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{
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primaryKey = HKEY_CLASSES_ROOT;
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}
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if (primary == "HKEY_LOCAL_MACHINE")
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{
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primaryKey = HKEY_LOCAL_MACHINE;
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}
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if (primary == "HKEY_USERS")
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{
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primaryKey = HKEY_USERS;
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}
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HKEY hKey;
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if(RegOpenKeyEx(primaryKey, second.c_str(),
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0, KEY_READ, &hKey) != ERROR_SUCCESS)
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{
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return false;
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}
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else
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{
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DWORD dwType, dwSize;
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dwSize = 1023;
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char data[1024];
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if(RegQueryValueEx(hKey, (LPTSTR)valuename.c_str(), NULL, &dwType,
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(BYTE *)data, &dwSize) == ERROR_SUCCESS)
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{
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if (dwType == REG_SZ)
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{
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res = data;
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return true;
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}
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}
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}
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return false;
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}
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#endif
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// replace replace with with as many times as it shows up in source.
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// write the result into source.
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void cmSystemTools::ExpandRegistryValues(std::string& source)
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{
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#if defined(_WIN32) && !defined(__CYGWIN__)
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// Regular expression to match anything inside [...] that begins in HKEY.
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// Note that there is a special rule for regular expressions to match a
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// close square-bracket inside a list delimited by square brackets.
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// The "[^]]" part of this expression will match any character except
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// a close square-bracket. The ']' character must be the first in the
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// list of characters inside the [^...] block of the expression.
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cmRegularExpression regEntry("\\[(HKEY[^]]*)\\]");
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// check for black line or comment
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while (regEntry.find(source))
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{
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// the arguments are the second match
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std::string key = regEntry.match(1);
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std::string val;
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if (ReadAValue(val,key.c_str()))
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{
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std::string reg = "[";
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reg += key + "]";
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cmSystemTools::ReplaceString(source, reg.c_str(), val.c_str());
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}
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else
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{
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std::string reg = "[";
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reg += key + "]";
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cmSystemTools::ReplaceString(source, reg.c_str(), "/registry");
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}
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}
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#endif
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}
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std::string cmSystemTools::EscapeSpaces(const char* str)
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{
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#if defined(_WIN32) && !defined(__CYGWIN__)
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std::string result = str;
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return "\""+result+"\"";
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#else
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std::string result = "";
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for(const char* ch = str; *ch != '\0'; ++ch)
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{
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if(*ch == ' ')
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{
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result += '\\';
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}
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result += *ch;
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}
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return result;
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#endif
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}
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std::string cmSystemTools::EscapeQuotes(const char* str)
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{
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std::string result = "";
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for(const char* ch = str; *ch != '\0'; ++ch)
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{
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if(*ch == '"')
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{
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result += '\\';
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}
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result += *ch;
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}
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return result;
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}
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// return true if the file exists
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bool cmSystemTools::FileExists(const char* filename)
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{
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struct stat fs;
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if (stat(filename, &fs) != 0)
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{
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return false;
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}
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else
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{
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return true;
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}
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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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std::string cmSystemTools::Capitalized(const std::string& s)
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{
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std::string n;
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n.resize(s.size());
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n[0] = toupper(s[0]);
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for (size_t i = 1; i < s.size(); i++)
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{
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n[i] = tolower(s[i]);
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}
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return n;
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}
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// convert windows slashes to unix slashes \ with /
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void cmSystemTools::ConvertToUnixSlashes(std::string& path)
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{
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std::string::size_type pos = 0;
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while((pos = path.find('\\', pos)) != std::string::npos)
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{
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path[pos] = '/';
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pos++;
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}
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// remove any trailing slash
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if(path[path.size()-1] == '/')
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{
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path = path.substr(0, path.size()-1);
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}
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}
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// convert windows slashes to unix slashes \ with /
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void cmSystemTools::CleanUpWindowsSlashes(std::string& path)
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{
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std::string::size_type pos = 0;
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while((pos = path.find('/', pos)) != std::string::npos)
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{
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path[pos] = '\\';
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pos++;
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}
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// remove any trailing slash
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if(path[path.size()-1] == '\\')
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{
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path = path.substr(0, path.size()-1);
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}
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// remove any duplicate // slashes
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pos = 0;
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while((pos = path.find("\\\\", pos)) != std::string::npos)
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{
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path.erase(pos, 1);
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}
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}
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int cmSystemTools::Grep(const char* dir, const char* file,
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const char* expression)
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{
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std::string path = dir;
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path += "/";
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path += file;
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std::ifstream fin(path.c_str());
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char buffer[2056];
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int count = 0;
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cmRegularExpression reg(expression);
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while(fin)
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{
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fin.getline(buffer, sizeof(buffer));
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count += reg.find(buffer);
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}
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return count;
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}
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void cmSystemTools::ConvertCygwinPath(std::string& pathname)
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{
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if(pathname.find("/cygdrive/") != std::string::npos)
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{
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std::string cygStuff = pathname.substr(0, 11);
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std::string replace;
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replace += cygStuff.at(10);
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replace += ":";
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cmSystemTools::ReplaceString(pathname, cygStuff.c_str(), replace.c_str());
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}
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}
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bool cmSystemTools::ParseFunction(std::ifstream& fin,
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std::string& name,
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std::vector<std::string>& arguments)
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{
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name = "";
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arguments = std::vector<std::string>();
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const int BUFFER_SIZE = 4096;
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char inbuffer[BUFFER_SIZE];
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if(!fin)
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{
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return false;
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}
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if(fin.getline(inbuffer, BUFFER_SIZE ) )
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{
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cmRegularExpression blankLine("^[ \t]*$");
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cmRegularExpression comment("^[ \t]*#.*$");
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cmRegularExpression oneLiner("^[ \t]*([A-Za-z_0-9]*)[ \t]*\\((.*)\\)[ \t]*$");
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cmRegularExpression multiLine("^[ \t]*([A-Za-z_0-9]*)[ \t]*\\((.*)$");
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cmRegularExpression lastLine("^(.*)\\)[ \t]*$");
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// check for black line or comment
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if(blankLine.find(inbuffer) || comment.find(inbuffer))
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{
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return false;
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}
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// look for a oneline fun(arg arg2)
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else if(oneLiner.find(inbuffer))
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{
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// the arguments are the second match
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std::string args = oneLiner.match(2);
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name = oneLiner.match(1);
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// break up the arguments
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cmSystemTools::GetArguments(args, arguments);
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return true;
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}
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// look for a start of a multiline with no trailing ")" fun(arg arg2
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else if(multiLine.find(inbuffer))
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{
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name = multiLine.match(1);
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std::string args = multiLine.match(2);
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cmSystemTools::GetArguments(args, arguments);
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// Read lines until the closing paren is hit
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bool done = false;
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while(!done)
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{
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// read lines until the end paren is found
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if(fin.getline(inbuffer, BUFFER_SIZE ) )
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{
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// Check for comment lines and ignore them.
|
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if(blankLine.find(inbuffer) || comment.find(inbuffer))
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{ continue; }
|
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// Is this the last line?
|
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if(lastLine.find(inbuffer))
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{
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done = true;
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std::string args = lastLine.match(1);
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cmSystemTools::GetArguments(args, arguments);
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}
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else
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{
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std::string line = inbuffer;
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cmSystemTools::GetArguments(line, arguments);
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}
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}
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else
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{
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cmSystemTools::Error("Parse error in read function missing end )",
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inbuffer);
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return false;
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}
|
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}
|
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return true;
|
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}
|
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else
|
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{
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cmSystemTools::Error("Parse error in read function ", inbuffer);
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return false;
|
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}
|
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}
|
|
return false;
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|
|
}
|
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|
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void cmSystemTools::GetArguments(std::string& line,
|
|
std::vector<std::string>& arguments)
|
|
{
|
|
// Match a normal argument (not quoted, no spaces).
|
|
cmRegularExpression normalArgument("[\t ]*([^\" \t]+)[\t ]*");
|
|
// Match a quoted argument (surrounded by double quotes, spaces allowed).
|
|
cmRegularExpression quotedArgument("[\t ]*(\"[^\"]*\")[\t ]*");
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bool done = false;
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while(!done)
|
|
{
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std::string arg;
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long endpos;
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bool foundQuoted = quotedArgument.find(line.c_str());
|
|
bool foundNormal = normalArgument.find(line.c_str());
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|
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if(foundQuoted && foundNormal)
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{
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// Both matches were found. Take the earlier one.
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if(normalArgument.start(1) < quotedArgument.start(1))
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{
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arg = normalArgument.match(1);
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endpos = normalArgument.end(1);
|
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}
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else
|
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{
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arg = quotedArgument.match(1);
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endpos = quotedArgument.end(1);
|
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// Strip off the double quotes on the ends.
|
|
arg = arg.substr(1, arg.length()-2);
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}
|
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}
|
|
else if (foundQuoted)
|
|
{
|
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arg = quotedArgument.match(1);
|
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endpos = quotedArgument.end(1);
|
|
// Strip off the double quotes on the ends.
|
|
arg = arg.substr(1, arg.length()-2);
|
|
}
|
|
else if(foundNormal)
|
|
{
|
|
arg = normalArgument.match(1);
|
|
endpos = normalArgument.end(1);
|
|
}
|
|
else
|
|
{
|
|
done = true;
|
|
}
|
|
if(!done)
|
|
{
|
|
arguments.push_back(arg);
|
|
line = line.substr(endpos, line.length() - endpos);
|
|
}
|
|
}
|
|
}
|
|
|
|
void cmSystemTools::Error(const char* m1, const char* m2,
|
|
const char* m3, const char* m4)
|
|
{
|
|
std::string message = "CMake Error: ";
|
|
if(m1)
|
|
{
|
|
message += m1;
|
|
}
|
|
if(m2)
|
|
{
|
|
message += m2;
|
|
}
|
|
if(m3)
|
|
{
|
|
message += m3;
|
|
}
|
|
if(m4)
|
|
{
|
|
message += m4;
|
|
}
|
|
cmSystemTools::s_ErrorOccured = true;
|
|
cmSystemTools::Message(message.c_str(),"Error");
|
|
}
|
|
|
|
void cmSystemTools::Message(const char* m1, const char *title)
|
|
{
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
::MessageBox(0, m1, title, MB_OK);
|
|
#endif
|
|
std::cerr << m1 << std::endl;
|
|
}
|
|
|
|
|
|
void cmSystemTools::CopyFileIfDifferent(const char* source,
|
|
const char* destination)
|
|
{
|
|
if(cmSystemTools::FilesDiffer(source, destination))
|
|
{
|
|
cmSystemTools::cmCopyFile(source, destination);
|
|
}
|
|
}
|
|
|
|
|
|
bool cmSystemTools::FilesDiffer(const char* source,
|
|
const char* destination)
|
|
{
|
|
struct stat statSource;
|
|
if (stat(source, &statSource) != 0)
|
|
{
|
|
return true;
|
|
}
|
|
struct stat statDestination;
|
|
if (stat(destination, &statDestination) != 0)
|
|
{
|
|
return true;
|
|
}
|
|
if(statSource.st_size != statDestination.st_size)
|
|
{
|
|
return true;
|
|
}
|
|
std::ifstream finSource(source);
|
|
std::ifstream finDestination(destination);
|
|
if(!finSource || !finDestination)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
while(finSource && finDestination)
|
|
{
|
|
char s, d;
|
|
finSource >> s;
|
|
finDestination >> d;
|
|
if(s != d)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Copy a file named by "source" to the file named by "destination". This
|
|
* implementation makes correct use of the C++ standard file streams to
|
|
* perfectly copy any file with lines of any length (even binary files).
|
|
*/
|
|
void cmSystemTools::cmCopyFile(const char* source,
|
|
const char* destination)
|
|
{
|
|
// Buffer length is only for block size. Any file would still be copied
|
|
// correctly if this were as small as 2.
|
|
const int buffer_length = 4096;
|
|
char buffer[buffer_length];
|
|
std::ifstream fin(source,
|
|
std::ios::binary | std::ios::in);
|
|
if(!fin)
|
|
{
|
|
cmSystemTools::Error("CopyFile failed to open input file \"",
|
|
source, "\"");
|
|
}
|
|
std::ofstream fout(destination,
|
|
std::ios::binary | std::ios::out | std::ios::trunc);
|
|
if(!fout)
|
|
{
|
|
cmSystemTools::Error("CopyFile failed to open output file \"",
|
|
destination, "\"");
|
|
}
|
|
while(fin.getline(buffer, buffer_length, '\n') || fin.gcount())
|
|
{
|
|
std::streamsize count = fin.gcount();
|
|
if(fin.eof())
|
|
{
|
|
// Final line, but with no newline.
|
|
fout.write(buffer, count);
|
|
}
|
|
else if(fin.fail())
|
|
{
|
|
// Part of a line longer than our buffer, clear the fail bit of
|
|
// the stream so that we can continue.
|
|
fin.clear(fin.rdstate() & ~std::ios::failbit);
|
|
fout.write(buffer, count);
|
|
}
|
|
else
|
|
{
|
|
// Line on which a newline was encountered. It was read from
|
|
// the stream, but not stored.
|
|
--count;
|
|
fout.write(buffer, count);
|
|
fout << '\n';
|
|
}
|
|
}
|
|
}
|
|
|
|
// return true if the file exists
|
|
long int cmSystemTools::ModifiedTime(const char* filename)
|
|
{
|
|
struct stat fs;
|
|
if (stat(filename, &fs) != 0)
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
return (long int)fs.st_mtime;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void cmSystemTools::RemoveFile(const char* source)
|
|
{
|
|
unlink(source);
|
|
}
|
|
|
|
bool cmSystemTools::IsOn(const char* val)
|
|
{
|
|
if (!val)
|
|
{
|
|
return false;
|
|
}
|
|
std::basic_string<char> v = val;
|
|
|
|
for(std::basic_string<char>::iterator c = v.begin();
|
|
c != v.end(); c++)
|
|
{
|
|
*c = toupper(*c);
|
|
}
|
|
return (v == "ON" || v == "1" || v == "YES" || v == "TRUE" || v == "Y");
|
|
}
|
|
|
|
bool cmSystemTools::IsOff(const char* val)
|
|
{
|
|
if (!val)
|
|
{
|
|
return true;
|
|
}
|
|
std::basic_string<char> v = val;
|
|
|
|
for(std::basic_string<char>::iterator c = v.begin();
|
|
c != v.end(); c++)
|
|
{
|
|
*c = toupper(*c);
|
|
}
|
|
return (v == "OFF" || v == "0" || v == "NO" || v == "FALSE" ||
|
|
v == "N" || v == "NOTFOUND");
|
|
}
|
|
|
|
|
|
bool cmSystemTools::RunCommand(const char* command,
|
|
std::string& output)
|
|
{
|
|
const int BUFFER_SIZE = 4096;
|
|
char buffer[BUFFER_SIZE];
|
|
|
|
#if defined(WIN32) && !defined(__CYGWIN__)
|
|
std::string commandToFile = command;
|
|
commandToFile += " > ";
|
|
std::string tempFile;
|
|
tempFile += cmSystemTools::TemporaryFileName();
|
|
commandToFile += tempFile;
|
|
system(commandToFile.c_str());
|
|
std::ifstream fin(tempFile.c_str());
|
|
if(!fin)
|
|
{
|
|
cmSystemTools::Error(command,
|
|
" from RunCommand Failed to create output file: ",
|
|
tempFile.c_str());
|
|
return false;
|
|
}
|
|
while(fin)
|
|
{
|
|
fin.getline(buffer, BUFFER_SIZE);
|
|
output += buffer;
|
|
}
|
|
cmSystemTools::RemoveFile(tempFile.c_str());
|
|
return true;
|
|
#else
|
|
std::cout << "running " << command << std::endl;
|
|
FILE* cpipe = popen(command, "r");
|
|
if(!cpipe)
|
|
{
|
|
return false;
|
|
}
|
|
fgets(buffer, BUFFER_SIZE, cpipe);
|
|
while(!feof(cpipe))
|
|
{
|
|
std::cout << buffer << std::flush;
|
|
output += buffer;
|
|
fgets(buffer, BUFFER_SIZE, cpipe);
|
|
}
|
|
pclose(cpipe);
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#define tempnam _tempnam
|
|
#endif
|
|
|
|
std::string cmSystemTools::TemporaryFileName()
|
|
{
|
|
/** \warning in Unix is recomended to use mkstemp( char * )
|
|
instead of tempnam in order to avoid the security
|
|
risk of setting rights with 0666 */
|
|
return tempnam(0, "cmake");
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Find the executable with the given name. Searches the given path and then
|
|
* the system search path. Returns the full path to the executable if it is
|
|
* found. Otherwise, the empty string is returned.
|
|
*/
|
|
std::string cmSystemTools::FindProgram(const char* name,
|
|
const std::vector<std::string>& userPaths)
|
|
{
|
|
// See if the executable exists as written.
|
|
if(cmSystemTools::FileExists(name))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(name);
|
|
}
|
|
std::string tryPath = name;
|
|
tryPath += cmSystemTools::GetExecutableExtension();
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
|
|
// Add the system search path to our path.
|
|
std::vector<std::string> path = userPaths;
|
|
cmSystemTools::GetPath(path);
|
|
|
|
for(std::vector<std::string>::const_iterator p = path.begin();
|
|
p != path.end(); ++p)
|
|
{
|
|
tryPath = *p;
|
|
tryPath += "/";
|
|
tryPath += name;
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
tryPath += cmSystemTools::GetExecutableExtension();
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
}
|
|
|
|
// Couldn't find the program.
|
|
return "";
|
|
}
|
|
|
|
|
|
/**
|
|
* Find the library with the given name. Searches the given path and then
|
|
* the system search path. Returns the full path to the library if it is
|
|
* found. Otherwise, the empty string is returned.
|
|
*/
|
|
std::string cmSystemTools::FindLibrary(const char* name,
|
|
const std::vector<std::string>& userPaths)
|
|
{
|
|
// See if the executable exists as written.
|
|
if(cmSystemTools::FileExists(name))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(name);
|
|
}
|
|
|
|
// Add the system search path to our path.
|
|
std::vector<std::string> path = userPaths;
|
|
cmSystemTools::GetPath(path);
|
|
std::string tryPath;
|
|
for(std::vector<std::string>::const_iterator p = path.begin();
|
|
p != path.end(); ++p)
|
|
{
|
|
tryPath = *p;
|
|
tryPath += "/";
|
|
tryPath += name;
|
|
tryPath += ".lib";
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
tryPath = *p;
|
|
tryPath += "/lib";
|
|
tryPath += name;
|
|
tryPath += ".so";
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
tryPath = *p;
|
|
tryPath += "/lib";
|
|
tryPath += name;
|
|
tryPath += ".a";
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
tryPath = *p;
|
|
tryPath += "/lib";
|
|
tryPath += name;
|
|
tryPath += ".sl";
|
|
if(cmSystemTools::FileExists(tryPath.c_str()))
|
|
{
|
|
return cmSystemTools::CollapseFullPath(tryPath.c_str());
|
|
}
|
|
}
|
|
|
|
// Couldn't find the library.
|
|
return "";
|
|
}
|
|
|
|
bool cmSystemTools::FileIsDirectory(const char* name)
|
|
{
|
|
struct stat fs;
|
|
if(stat(name, &fs) == 0)
|
|
{
|
|
#if _WIN32
|
|
return ((fs.st_mode & _S_IFDIR) != 0);
|
|
#else
|
|
return S_ISDIR(fs.st_mode);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int cmSystemTools::ChangeDirectory(const char *dir)
|
|
{
|
|
return Chdir(dir);
|
|
}
|
|
|
|
std::string cmSystemTools::GetCurrentWorkingDirectory()
|
|
{
|
|
char buf[2048];
|
|
std::string path = Getcwd(buf, 2048);
|
|
return path;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
std::string cmSystemTools::GetProgramPath(const char* in_name)
|
|
{
|
|
std::string dir, file;
|
|
cmSystemTools::SplitProgramPath(in_name, dir, file);
|
|
return dir;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void cmSystemTools::SplitProgramPath(const char* in_name,
|
|
std::string& dir,
|
|
std::string& file)
|
|
{
|
|
dir = in_name;
|
|
file = "";
|
|
cmSystemTools::ConvertToUnixSlashes(dir);
|
|
|
|
if(!cmSystemTools::FileIsDirectory(dir.c_str()))
|
|
{
|
|
std::string::size_type slashPos = dir.rfind("/");
|
|
if(slashPos != std::string::npos)
|
|
{
|
|
file = dir.substr(slashPos+1);
|
|
dir = dir.substr(0, slashPos);
|
|
}
|
|
else
|
|
{
|
|
file = dir;
|
|
dir = "";
|
|
}
|
|
}
|
|
|
|
if((dir != "") && !cmSystemTools::FileIsDirectory(dir.c_str()))
|
|
{
|
|
std::string oldDir = in_name;
|
|
cmSystemTools::ConvertToUnixSlashes(oldDir);
|
|
cmSystemTools::Error("Error splitting file name off end of path:\n",
|
|
oldDir.c_str(), "\nDirectory not found: ",
|
|
dir.c_str());
|
|
dir = in_name;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Given a path to a file or directory, convert it to a full path.
|
|
* This collapses away relative paths. The full path is returned.
|
|
*/
|
|
std::string cmSystemTools::CollapseFullPath(const char* in_name)
|
|
{
|
|
std::string dir, file;
|
|
cmSystemTools::SplitProgramPath(in_name, dir, file);
|
|
// Ultra-hack warning:
|
|
// This changes to the target directory, saves the working directory,
|
|
// and then changes back to the original working directory.
|
|
std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
|
|
if(dir != "") { Chdir(dir.c_str()); }
|
|
std::string newDir = cmSystemTools::GetCurrentWorkingDirectory();
|
|
Chdir(cwd.c_str());
|
|
|
|
cmSystemTools::ConvertToUnixSlashes(newDir);
|
|
std::string newPath = newDir+"/"+file;
|
|
|
|
return newPath;
|
|
}
|
|
|
|
/**
|
|
* Return path of a full filename (no trailing slashes).
|
|
* Warning: returned path is converted to Unix slashes format.
|
|
*/
|
|
std::string cmSystemTools::GetFilenamePath(const std::string& filename)
|
|
{
|
|
std::string fn = filename;
|
|
cmSystemTools::ConvertToUnixSlashes(fn);
|
|
|
|
std::string::size_type slash_pos = fn.rfind("/");
|
|
if(slash_pos != std::string::npos)
|
|
{
|
|
return fn.substr(0, slash_pos);
|
|
}
|
|
else
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Return file name of a full filename (i.e. file name without path).
|
|
*/
|
|
std::string cmSystemTools::GetFilenameName(const std::string& filename)
|
|
{
|
|
std::string fn = filename;
|
|
cmSystemTools::ConvertToUnixSlashes(fn);
|
|
|
|
std::string::size_type slash_pos = fn.rfind("/");
|
|
if(slash_pos != std::string::npos)
|
|
{
|
|
return fn.substr(slash_pos + 1);
|
|
}
|
|
else
|
|
{
|
|
return filename;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Return file extension of a full filename (dot included).
|
|
* Warning: this is the longest extension (for example: .tar.gz)
|
|
*/
|
|
std::string cmSystemTools::GetFilenameExtension(const std::string& filename)
|
|
{
|
|
std::string name = cmSystemTools::GetFilenameName(filename);
|
|
std::string::size_type dot_pos = name.find(".");
|
|
if(dot_pos != std::string::npos)
|
|
{
|
|
return name.substr(dot_pos);
|
|
}
|
|
else
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Return file name without extension of a full filename (i.e. without path).
|
|
* Warning: it considers the longest extension (for example: .tar.gz)
|
|
*/
|
|
std::string cmSystemTools::GetFilenameNameWithoutExtension(const std::string& filename)
|
|
{
|
|
std::string name = cmSystemTools::GetFilenameName(filename);
|
|
std::string::size_type dot_pos = name.find(".");
|
|
if(dot_pos != std::string::npos)
|
|
{
|
|
return name.substr(0, dot_pos);
|
|
}
|
|
else
|
|
{
|
|
return name;
|
|
}
|
|
}
|
|
|
|
|
|
void cmSystemTools::Glob(const char *directory, const char *regexp,
|
|
std::vector<std::string>& files)
|
|
{
|
|
cmDirectory d;
|
|
cmRegularExpression reg(regexp);
|
|
|
|
if (d.Load(directory))
|
|
{
|
|
int i, numf;
|
|
numf = d.GetNumberOfFiles();
|
|
for (i = 0; i < numf; i++)
|
|
{
|
|
std::string fname = d.GetFile(i);
|
|
if (reg.find(fname))
|
|
{
|
|
files.push_back(fname);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|