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/*=========================================================================
Program: KWSys - Kitware System Library
Module: $RCSfile$
Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "kwsysPrivate.h"
#include KWSYS_HEADER(SystemTools.hxx)
#include KWSYS_HEADER(Directory.hxx)
#include KWSYS_HEADER(ios/iostream)
#include KWSYS_HEADER(ios/fstream)
#include KWSYS_HEADER(ios/sstream)
#ifdef _MSC_VER
# pragma warning (disable: 4786)
#endif
#include <stdio.h>
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <time.h>
// support for realpath call
#ifndef _WIN32
#include <limits.h>
#include <stdlib.h>
#include <sys/param.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <termios.h>
#endif
#if defined(_WIN32) && (defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__))
#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <direct.h>
#define _unlink unlink
inline int Mkdir(const char* dir)
{
return _mkdir(dir);
}
inline int Rmdir(const char* dir)
{
return _rmdir(dir);
}
inline const char* Getcwd(char* buf, unsigned int len)
{
return _getcwd(buf, len);
}
inline int Chdir(const char* dir)
{
#if defined(__BORLANDC__)
return chdir(dir);
#else
return _chdir(dir);
#endif
}
inline void Realpath(const char *path, kwsys_stl::string & resolved_path)
{
char *ptemp;
char fullpath[MAX_PATH];
if( GetFullPathName(path, sizeof(fullpath), fullpath, &ptemp) )
{
resolved_path = fullpath;
KWSYS_NAMESPACE::SystemTools::ConvertToUnixSlashes(resolved_path);
}
}
#else
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
inline int Mkdir(const char* dir)
{
return mkdir(dir, 00777);
}
inline int Rmdir(const char* dir)
{
return rmdir(dir);
}
inline const char* Getcwd(char* buf, unsigned int len)
{
return getcwd(buf, len);
}
inline int Chdir(const char* dir)
{
return chdir(dir);
}
inline void Realpath(const char *path, kwsys_stl::string & resolved_path)
{
# ifdef MAXPATHLEN
char resolved_name[MAXPATHLEN];
# else
# ifdef PATH_MAX
char resolved_name[PATH_MAX];
# else
char resolved_name[5024];
# endif //PATH_MAX
# endif //MAXPATHLEN
realpath(path, resolved_name);
resolved_path = resolved_name;
}
#endif
#if !defined(_WIN32) && defined(__COMO__)
// Hack for como strict mode to avoid defining _SVID_SOURCE or _BSD_SOURCE.
extern "C"
{
extern FILE *popen (__const char *__command, __const char *__modes) __THROW;
extern int pclose (FILE *__stream) __THROW;
extern char *realpath (__const char *__restrict __name,
char *__restrict __resolved) __THROW;
extern char *strdup (__const char *__s) __THROW;
extern int putenv (char *__string) __THROW;
}
#endif
/* Implement floattime() for various platforms */
// Taken from Python 2.1.3
#if defined( _WIN32 ) && !defined( __CYGWIN__ )
# include <sys/timeb.h>
# define HAVE_FTIME
# if defined( __BORLANDC__)
# define FTIME ftime
# define TIMEB timeb
# else // Visual studio?
# define FTIME _ftime
# define TIMEB _timeb
# endif
#elif defined( __CYGWIN__ ) || defined( __linux__ )
# include <sys/time.h>
# include <time.h>
# define HAVE_GETTIMEOFDAY
#endif
namespace KWSYS_NAMESPACE
{
class SystemToolsTranslationMap :
public kwsys_stl::map<kwsys_stl::string,kwsys_stl::string>
{
};
double
SystemTools::GetTime(void)
{
/* There are three ways to get the time:
(1) gettimeofday() -- resolution in microseconds
(2) ftime() -- resolution in milliseconds
(3) time() -- resolution in seconds
In all cases the return value is a float in seconds.
Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may
fail, so we fall back on ftime() or time().
Note: clock resolution does not imply clock accuracy! */
#ifdef HAVE_GETTIMEOFDAY
{
struct timeval t;
#ifdef GETTIMEOFDAY_NO_TZ
if (gettimeofday(&t) == 0)
return (double)t.tv_sec + t.tv_usec*0.000001;
#else /* !GETTIMEOFDAY_NO_TZ */
if (gettimeofday(&t, (struct timezone *)NULL) == 0)
return (double)t.tv_sec + t.tv_usec*0.000001;
#endif /* !GETTIMEOFDAY_NO_TZ */
}
#endif /* !HAVE_GETTIMEOFDAY */
{
#if defined(HAVE_FTIME)
struct TIMEB t;
::FTIME(&t);
return (double)t.time + (double)t.millitm * (double)0.001;
#else /* !HAVE_FTIME */
time_t secs;
time(&secs);
return (double)secs;
#endif /* !HAVE_FTIME */
}
}
// adds the elements of the env variable path to the arg passed in
void SystemTools::GetPath(kwsys_stl::vector<kwsys_stl::string>& path, const char* env)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
const char* pathSep = ";";
#else
const char* pathSep = ":";
#endif
if(!env)
{
env = "PATH";
}
const char* cpathEnv = SystemTools::GetEnv(env);
if ( !cpathEnv )
{
return;
}
kwsys_stl::string pathEnv = cpathEnv;
// A hack to make the below algorithm work.
if(pathEnv[pathEnv.length()-1] != ':')
{
pathEnv += pathSep;
}
kwsys_stl::string::size_type start =0;
bool done = false;
while(!done)
{
kwsys_stl::string::size_type endpos = pathEnv.find(pathSep, start);
if(endpos != kwsys_stl::string::npos)
{
path.push_back(pathEnv.substr(start, endpos-start));
start = endpos+1;
}
else
{
done = true;
}
}
for(kwsys_stl::vector<kwsys_stl::string>::iterator i = path.begin();
i != path.end(); ++i)
{
SystemTools::ConvertToUnixSlashes(*i);
}
}
const char* SystemTools::GetEnv(const char* key)
{
return getenv(key);
}
bool SystemTools::GetEnv(const char* key, kwsys_stl::string& result)
{
const char* v = getenv(key);
if(v)
{
result = v;
return true;
}
else
{
return false;
}
}
const char* SystemTools::GetExecutableExtension()
{
#if defined(_WIN32) || defined(__CYGWIN__)
return ".exe";
#else
return "";
#endif
}
bool SystemTools::MakeDirectory(const char* path)
{
if(SystemTools::FileExists(path))
{
return true;
}
kwsys_stl::string dir = path;
if(dir.size() == 0)
{
return false;
}
SystemTools::ConvertToUnixSlashes(dir);
kwsys_stl::string::size_type pos = dir.find(':');
if(pos == kwsys_stl::string::npos)
{
pos = 0;
}
kwsys_stl::string topdir;
while((pos = dir.find('/', pos)) != kwsys_stl::string::npos)
{
topdir = dir.substr(0, pos);
Mkdir(topdir.c_str());
pos++;
}
if(dir[dir.size()-1] == '/')
{
topdir = dir.substr(0, dir.size());
}
else
{
topdir = dir;
}
if(Mkdir(topdir.c_str()) != 0)
{
// There is a bug in the Borland Run time library which makes MKDIR
// return EACCES when it should return EEXISTS
// if it is some other error besides directory exists
// then return false
if( (errno != EEXIST)
#ifdef __BORLANDC__
&& (errno != EACCES)
#endif
)
{
return false;
}
}
return true;
}
// replace replace with with as many times as it shows up in source.
// write the result into source.
void SystemTools::ReplaceString(kwsys_stl::string& source,
const char* replace,
const char* with)
{
const char *src = source.c_str();
char *searchPos = const_cast<char *>(strstr(src,replace));
// get out quick if string is not found
if (!searchPos)
{
return;
}
// perform replacements until done
size_t replaceSize = strlen(replace);
char *orig = strdup(src);
char *currentPos = orig;
searchPos = searchPos - src + orig;
// initialize the result
source.erase(source.begin(),source.end());
do
{
*searchPos = '\0';
source += currentPos;
currentPos = searchPos + replaceSize;
// replace
source += with;
searchPos = strstr(currentPos,replace);
}
while (searchPos);
// copy any trailing text
source += currentPos;
free(orig);
}
// Read a registry value.
// Example :
// HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath
// => will return the data of the "default" value of the key
// HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root
// => will return the data of the "Root" value of the key
#if defined(_WIN32) && !defined(__CYGWIN__)
bool SystemTools::ReadRegistryValue(const char *key, kwsys_stl::string &value)
{
kwsys_stl::string primary = key;
kwsys_stl::string second;
kwsys_stl::string valuename;
size_t start = primary.find("\\");
if (start == kwsys_stl::string::npos)
{
return false;
}
size_t valuenamepos = primary.find(";");
if (valuenamepos != kwsys_stl::string::npos)
{
valuename = primary.substr(valuenamepos+1);
}
second = primary.substr(start+1, valuenamepos-start-1);
primary = primary.substr(0, start);
HKEY primaryKey = HKEY_CURRENT_USER;
if (primary == "HKEY_CURRENT_USER")
{
primaryKey = HKEY_CURRENT_USER;
}
if (primary == "HKEY_CURRENT_CONFIG")
{
primaryKey = HKEY_CURRENT_CONFIG;
}
if (primary == "HKEY_CLASSES_ROOT")
{
primaryKey = HKEY_CLASSES_ROOT;
}
if (primary == "HKEY_LOCAL_MACHINE")
{
primaryKey = HKEY_LOCAL_MACHINE;
}
if (primary == "HKEY_USERS")
{
primaryKey = HKEY_USERS;
}
HKEY hKey;
if(RegOpenKeyEx(primaryKey,
second.c_str(),
0,
KEY_READ,
&hKey) != ERROR_SUCCESS)
{
return false;
}
else
{
DWORD dwType, dwSize;
dwSize = 1023;
char data[1024];
if(RegQueryValueEx(hKey,
(LPTSTR)valuename.c_str(),
NULL,
&dwType,
(BYTE *)data,
&dwSize) == ERROR_SUCCESS)
{
if (dwType == REG_SZ)
{
value = data;
RegCloseKey(hKey);
return true;
}
}
}
return false;
}
#else
bool SystemTools::ReadRegistryValue(const char *, kwsys_stl::string &)
{
return false;
}
#endif
// Write a registry value.
// Example :
// HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath
// => will set the data of the "default" value of the key
// HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root
// => will set the data of the "Root" value of the key
#if defined(_WIN32) && !defined(__CYGWIN__)
bool SystemTools::WriteRegistryValue(const char *key, const char *value)
{
kwsys_stl::string primary = key;
kwsys_stl::string second;
kwsys_stl::string valuename;
size_t start = primary.find("\\");
if (start == kwsys_stl::string::npos)
{
return false;
}
size_t valuenamepos = primary.find(";");
if (valuenamepos != kwsys_stl::string::npos)
{
valuename = primary.substr(valuenamepos+1);
}
second = primary.substr(start+1, valuenamepos-start-1);
primary = primary.substr(0, start);
HKEY primaryKey = HKEY_CURRENT_USER;
if (primary == "HKEY_CURRENT_USER")
{
primaryKey = HKEY_CURRENT_USER;
}
if (primary == "HKEY_CURRENT_CONFIG")
{
primaryKey = HKEY_CURRENT_CONFIG;
}
if (primary == "HKEY_CLASSES_ROOT")
{
primaryKey = HKEY_CLASSES_ROOT;
}
if (primary == "HKEY_LOCAL_MACHINE")
{
primaryKey = HKEY_LOCAL_MACHINE;
}
if (primary == "HKEY_USERS")
{
primaryKey = HKEY_USERS;
}
HKEY hKey;
DWORD dwDummy;
if(RegCreateKeyEx(primaryKey,
second.c_str(),
0,
"",
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
NULL,
&hKey,
&dwDummy) != ERROR_SUCCESS)
{
return false;
}
if(RegSetValueEx(hKey,
(LPTSTR)valuename.c_str(),
0,
REG_SZ,
(CONST BYTE *)value,
(DWORD)(strlen(value) + 1)) == ERROR_SUCCESS)
{
return true;
}
return false;
}
#else
bool SystemTools::WriteRegistryValue(const char *, const char *)
{
return false;
}
#endif
// Delete a registry value.
// Example :
// HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath
// => will delete the data of the "default" value of the key
// HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root
// => will delete the data of the "Root" value of the key
#if defined(_WIN32) && !defined(__CYGWIN__)
bool SystemTools::DeleteRegistryValue(const char *key)
{
kwsys_stl::string primary = key;
kwsys_stl::string second;
kwsys_stl::string valuename;
size_t start = primary.find("\\");
if (start == kwsys_stl::string::npos)
{
return false;
}
size_t valuenamepos = primary.find(";");
if (valuenamepos != kwsys_stl::string::npos)
{
valuename = primary.substr(valuenamepos+1);
}
second = primary.substr(start+1, valuenamepos-start-1);
primary = primary.substr(0, start);
HKEY primaryKey = HKEY_CURRENT_USER;
if (primary == "HKEY_CURRENT_USER")
{
primaryKey = HKEY_CURRENT_USER;
}
if (primary == "HKEY_CURRENT_CONFIG")
{
primaryKey = HKEY_CURRENT_CONFIG;
}
if (primary == "HKEY_CLASSES_ROOT")
{
primaryKey = HKEY_CLASSES_ROOT;
}
if (primary == "HKEY_LOCAL_MACHINE")
{
primaryKey = HKEY_LOCAL_MACHINE;
}
if (primary == "HKEY_USERS")
{
primaryKey = HKEY_USERS;
}
HKEY hKey;
if(RegOpenKeyEx(primaryKey,
second.c_str(),
0,
KEY_WRITE,
&hKey) != ERROR_SUCCESS)
{
return false;
}
else
{
if(RegDeleteValue(hKey,
(LPTSTR)valuename.c_str()) == ERROR_SUCCESS)
{
RegCloseKey(hKey);
return true;
}
}
return false;
}
#else
bool SystemTools::DeleteRegistryValue(const char *)
{
return false;
}
#endif
bool SystemTools::SameFile(const char* file1, const char* file2)
{
#ifdef _WIN32
HANDLE hFile1, hFile2;
hFile1 = CreateFile( file1,
GENERIC_READ,
FILE_SHARE_READ ,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL
);
hFile2 = CreateFile( file2,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL
);
if( hFile1 == INVALID_HANDLE_VALUE || hFile2 == INVALID_HANDLE_VALUE)
{
if(hFile1 != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile1);
}
if(hFile2 != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile2);
}
return false;
}
BY_HANDLE_FILE_INFORMATION fiBuf1;
BY_HANDLE_FILE_INFORMATION fiBuf2;
GetFileInformationByHandle( hFile1, &fiBuf1 );
GetFileInformationByHandle( hFile2, &fiBuf2 );
CloseHandle(hFile1);
CloseHandle(hFile2);
return (fiBuf1.dwVolumeSerialNumber == fiBuf2.dwVolumeSerialNumber &&
fiBuf1.nFileIndexHigh == fiBuf2.nFileIndexHigh &&
fiBuf1.nFileIndexLow == fiBuf2.nFileIndexLow);
#else
struct stat fileStat1, fileStat2;
if (stat(file1, &fileStat1) == 0 && stat(file2, &fileStat2) == 0)
{
// see if the files are the same file
// check the device inode and size
if(memcmp(&fileStat2.st_dev, &fileStat1.st_dev, sizeof(fileStat1.st_dev)) == 0 &&
memcmp(&fileStat2.st_ino, &fileStat1.st_ino, sizeof(fileStat1.st_ino)) == 0 &&
fileStat2.st_size == fileStat1.st_size
)
{
return true;
}
}
return false;
#endif
}
// return true if the file exists
bool SystemTools::FileExists(const char* filename)
{
#ifdef _MSC_VER
# define access _access
#endif
#ifndef R_OK
# define R_OK 04
#endif
if ( access(filename, R_OK) != 0 )
{
return false;
}
else
{
return true;
}
}
// Return a capitalized string (i.e the first letter is uppercased, all other
// are lowercased)
kwsys_stl::string SystemTools::Capitalized(const kwsys_stl::string& s)
{
kwsys_stl::string n;
if(s.size() == 0)
{
return n;
}
n.resize(s.size());
n[0] = static_cast<kwsys_stl::string::value_type>(toupper(s[0]));
for (size_t i = 1; i < s.size(); i++)
{
n[i] = static_cast<kwsys_stl::string::value_type>(tolower(s[i]));
}
return n;
}
// Return a lower case string
kwsys_stl::string SystemTools::LowerCase(const kwsys_stl::string& s)
{
kwsys_stl::string n;
n.resize(s.size());
for (size_t i = 0; i < s.size(); i++)
{
n[i] = static_cast<kwsys_stl::string::value_type>(tolower(s[i]));
}
return n;
}
// Return a lower case string
kwsys_stl::string SystemTools::UpperCase(const kwsys_stl::string& s)
{
kwsys_stl::string n;
n.resize(s.size());
for (size_t i = 0; i < s.size(); i++)
{
n[i] = static_cast<kwsys_stl::string::value_type>(toupper(s[i]));
}
return n;
}
// convert windows slashes to unix slashes
void SystemTools::ConvertToUnixSlashes(kwsys_stl::string& path)
{
kwsys_stl::string::size_type pos = 0;
while((pos = path.find('\\', pos)) != kwsys_stl::string::npos)
{
// make sure we don't convert an escaped space to a unix slash
if(pos < path.size()-1)
{
if(path[pos+1] != ' ')
{
path[pos] = '/';
}
}
pos++;
}
// Remove all // from the path just like most unix shells
int start_find;
#ifdef _WIN32
// However, on windows if the first characters are both slashes,
// then keep them that way, so that network paths can be handled.
start_find = 1;
#else
start_find = 0;
#endif
while((pos = path.find("//", start_find)) != kwsys_stl::string::npos)
{
SystemTools::ReplaceString(path, "//", "/");
}
// remove any trailing slash
if(path.size() > 1 && path[path.size()-1] == '/')
{
path = path.substr(0, path.size()-1);
}
// if there is a tilda ~ then replace it with HOME
if(path.find("~") == 0)
{
if (getenv("HOME"))
{
path = kwsys_stl::string(getenv("HOME")) + path.substr(1);
}
}
}
// change // to /, and escape any spaces in the path
kwsys_stl::string SystemTools::ConvertToUnixOutputPath(const char* path)
{
kwsys_stl::string ret = path;
// remove // except at the beginning might be a cygwin drive
kwsys_stl::string::size_type pos = 1;
while((pos = ret.find("//", pos)) != kwsys_stl::string::npos)
{
ret.erase(pos, 1);
}
// now escape spaces if there is a space in the path
if(ret.find(" ") != kwsys_stl::string::npos)
{
kwsys_stl::string result = "";
char lastch = 1;
for(const char* ch = ret.c_str(); *ch != '\0'; ++ch)
{
// if it is already escaped then don't try to escape it again
if(*ch == ' ' && lastch != '\\')
{
result += '\\';
}
result += *ch;
lastch = *ch;
}
ret = result;
}
return ret;
}
kwsys_stl::string SystemTools::ConvertToOutputPath(const char* path)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
return SystemTools::ConvertToWindowsOutputPath(path);
#else
return SystemTools::ConvertToUnixOutputPath(path);
#endif
}
// remove double slashes not at the start
kwsys_stl::string SystemTools::ConvertToWindowsOutputPath(const char* path)
{
kwsys_stl::string ret = path;
kwsys_stl::string::size_type pos = 0;
// first convert all of the slashes
while((pos = ret.find('/', pos)) != kwsys_stl::string::npos)
{
ret[pos] = '\\';
pos++;
}
// check for really small paths
if(ret.size() < 2)
{
return ret;
}
// now clean up a bit and remove double slashes
// Only if it is not the first position in the path which is a network
// path on windows
pos = 1; // start at position 1
if(ret[0] == '\"')
{
pos = 2; // if the string is already quoted then start at 2
if(ret.size() < 3)
{
return ret;
}
}
while((pos = ret.find("\\\\", pos)) != kwsys_stl::string::npos)
{
ret.erase(pos, 1);
}
// now double quote the path if it has spaces in it
// and is not already double quoted
if(ret.find(" ") != kwsys_stl::string::npos
&& ret[0] != '\"')
{
kwsys_stl::string result;
result = "\"" + ret + "\"";
ret = result;
}
return ret;
}
bool SystemTools::CopyFileIfDifferent(const char* source,
const char* destination)
{
if(SystemTools::FilesDiffer(source, destination))
{
return SystemTools::CopyFileAlways(source, destination);
}
return true;
}
bool SystemTools::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;
}
if(statSource.st_size == 0)
{
return false;
}
#if defined(_WIN32) || defined(__CYGWIN__)
kwsys_ios::ifstream finSource(source, (kwsys_ios::ios::binary |
kwsys_ios::ios::in));
kwsys_ios::ifstream finDestination(destination, (kwsys_ios::ios::binary |
kwsys_ios::ios::in));
#else
kwsys_ios::ifstream finSource(source);
kwsys_ios::ifstream finDestination(destination);
#endif
if(!finSource || !finDestination)
{
return true;
}
char* source_buf = new char[statSource.st_size];
char* dest_buf = new char[statSource.st_size];
finSource.read(source_buf, statSource.st_size);
finDestination.read(dest_buf, statSource.st_size);
if(statSource.st_size != static_cast<long>(finSource.gcount()) ||
statSource.st_size != static_cast<long>(finDestination.gcount()))
{
// Failed to read files.
delete [] source_buf;
delete [] dest_buf;
return true;
}
int ret = memcmp((const void*)source_buf,
(const void*)dest_buf,
statSource.st_size);
delete [] dest_buf;
delete [] source_buf;
return ret != 0;
}
/**
* Copy a file named by "source" to the file named by "destination".
*/
bool SystemTools::CopyFileAlways(const char* source, const char* destination)
{
// If files are the same do not copy
if ( SystemTools::SameFile(source, destination) )
{
return true;
}
mode_t perm = 0;
bool perms = SystemTools::GetPermissions(source, perm);
const int bufferSize = 4096;
char buffer[bufferSize];
// If destination is a directory, try to create a file with the same
// name as the source in that directory.
kwsys_stl::string new_destination;
if(SystemTools::FileExists(destination) &&
SystemTools::FileIsDirectory(destination))
{
new_destination = destination;
SystemTools::ConvertToUnixSlashes(new_destination);
new_destination += '/';
kwsys_stl::string source_name = source;
new_destination += SystemTools::GetFilenameName(source_name);
destination = new_destination.c_str();
}
// Create destination directory
kwsys_stl::string destination_dir = destination;
destination_dir = SystemTools::GetFilenamePath(destination_dir);
SystemTools::MakeDirectory(destination_dir.c_str());
// Open files
#if defined(_WIN32) || defined(__CYGWIN__)
kwsys_ios::ifstream fin(source,
kwsys_ios::ios::binary | kwsys_ios::ios::in);
#else
kwsys_ios::ifstream fin(source);
#endif
if(!fin)
{
return false;
}
// try and remove the destination file so that read only destination files
// can be written to.
// If the remove fails continue so that files in read only directories
// that do not allow file removal can be modified.
SystemTools::RemoveFile(destination);
#if defined(_WIN32) || defined(__CYGWIN__)
kwsys_ios::ofstream fout(destination,
kwsys_ios::ios::binary | kwsys_ios::ios::out | kwsys_ios::ios::trunc);
#else
kwsys_ios::ofstream fout(destination,
kwsys_ios::ios::out | kwsys_ios::ios::trunc);
#endif
if(!fout)
{
return false;
}
// This copy loop is very sensitive on certain platforms with
// slightly broken stream libraries (like HPUX). Normally, it is
// incorrect to not check the error condition on the fin.read()
// before using the data, but the fin.gcount() will be zero if an
// error occurred. Therefore, the loop should be safe everywhere.
while(fin)
{
fin.read(buffer, bufferSize);
if(fin.gcount())
{
fout.write(buffer, fin.gcount());
}
}
// Make sure the operating system has finished writing the file
// before closing it. This will ensure the file is finished before
// the check below.
fout.flush();
fin.close();
fout.close();
// More checks.
struct stat statSource, statDestination;
statSource.st_size = 12345;
statDestination.st_size = 12345;
if(stat(source, &statSource) != 0)
{
return false;
}
else if(stat(destination, &statDestination) != 0)
{
return false;
}
else if(statSource.st_size != statDestination.st_size)
{
return false;
}
if ( perms )
{
if ( !SystemTools::SetPermissions(destination, perm) )
{
return false;
}
}
return true;
}
/**
* Copy a directory content from "source" directory to the directory named by
* "destination".
*/
bool SystemTools::CopyADirectory(const char* source, const char* destination)
{
Directory dir;
dir.Load(source);
size_t fileNum;
if ( !SystemTools::MakeDirectory(destination) )
{
return false;
}
for (fileNum = 0; fileNum < dir.GetNumberOfFiles(); ++fileNum)
{
if (strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".") &&
strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".."))
{
kwsys_stl::string fullPath = source;
fullPath += "/";
fullPath += dir.GetFile(static_cast<unsigned long>(fileNum));
if(SystemTools::FileIsDirectory(fullPath.c_str()))
{
kwsys_stl::string fullDestPath = destination;
fullDestPath += "/";
fullDestPath += dir.GetFile(static_cast<unsigned long>(fileNum));
if (!SystemTools::CopyADirectory(fullPath.c_str(), fullDestPath.c_str()))
{
return false;
}
}
else
{
if(!SystemTools::CopyFileAlways(fullPath.c_str(), destination))
{
return false;
}
}
}
}
return true;
}
// return size of file; also returns zero if no file exists
unsigned long SystemTools::FileLength(const char* filename)
{
struct stat fs;
if (stat(filename, &fs) != 0)
{
return 0;
}
else
{
return fs.st_size;
}
}
int SystemTools::Strucmp(const char *s1, const char *s2)
{
// lifted from Graphvis http://www.graphviz.org
while ((*s1 != '\0')
&& (tolower(*s1) == tolower(*s2)))
{
s1++;
s2++;
}
return tolower(*s1) - tolower(*s2);
}
// return true if the file exists
long int SystemTools::ModifiedTime(const char* filename)
{
struct stat fs;
if (stat(filename, &fs) != 0)
{
return 0;
}
else
{
return (long int)fs.st_mtime;
}
}
kwsys_stl::string SystemTools::GetLastSystemError()
{
int e = errno;
return strerror(e);
}
bool SystemTools::RemoveFile(const char* source)
{
return unlink(source) != 0 ? false : true;
}
bool SystemTools::RemoveADirectory(const char* source)
{
Directory dir;
dir.Load(source);
size_t fileNum;
for (fileNum = 0; fileNum < dir.GetNumberOfFiles(); ++fileNum)
{
if (strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".") &&
strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".."))
{
kwsys_stl::string fullPath = source;
fullPath += "/";
fullPath += dir.GetFile(static_cast<unsigned long>(fileNum));
if(SystemTools::FileIsDirectory(fullPath.c_str()))
{
if (!SystemTools::RemoveADirectory(fullPath.c_str()))
{
return false;
}
}
else
{
if(!SystemTools::RemoveFile(fullPath.c_str()))
{
return false;
}
}
}
}
return (Rmdir(source) == 0);
}
/**
* Find the file the given name. Searches the given path and then
* the system search path. Returns the full path to the file if it is
* found. Otherwise, the empty string is returned.
*/
kwsys_stl::string SystemTools
::FindFile(const char* name,
const kwsys_stl::vector<kwsys_stl::string>& userPaths)
{
// Add the system search path to our path first
kwsys_stl::vector<kwsys_stl::string> path;
SystemTools::GetPath(path, "CMAKE_FILE_PATH");
SystemTools::GetPath(path);
// now add the additional paths
path.insert(path.end(), userPaths.begin(), userPaths.end());
// now look for the file
kwsys_stl::string tryPath;
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
p != path.end(); ++p)
{
tryPath = *p;
tryPath += "/";
tryPath += name;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
}
// Couldn't find the file.
return "";
}
/**
* 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.
*/
kwsys_stl::string SystemTools::FindProgram(
const char* name,
const kwsys_stl::vector<kwsys_stl::string>& userPaths,
bool no_system_path)
{
if(!name)
{
return "";
}
// See if the executable exists as written.
if(SystemTools::FileExists(name) &&
!SystemTools::FileIsDirectory(name))
{
return SystemTools::CollapseFullPath(name);
}
kwsys_stl::string tryPath = name;
tryPath += SystemTools::GetExecutableExtension();
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
kwsys_stl::vector<kwsys_stl::string> path;
SystemTools::GetPath(path, "CMAKE_PROGRAM_PATH");
// Add the system search path to our path.
if (!no_system_path)
{
SystemTools::GetPath(path);
}
// now add the additional paths
path.insert(path.end(), userPaths.begin(), userPaths.end());
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
p != path.end(); ++p)
{
tryPath = *p;
tryPath += "/";
tryPath += name;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
#ifdef _WIN32
tryPath += ".com";
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
tryPath = *p;
tryPath += "/";
tryPath += name;
#endif
tryPath += SystemTools::GetExecutableExtension();
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::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.
*/
kwsys_stl::string SystemTools
::FindLibrary(const char* name,
const kwsys_stl::vector<kwsys_stl::string>& userPaths)
{
// See if the executable exists as written.
if(SystemTools::FileExists(name) &&
!SystemTools::FileIsDirectory(name))
{
return SystemTools::CollapseFullPath(name);
}
// Add the system search path to our path.
kwsys_stl::vector<kwsys_stl::string> path;
SystemTools::GetPath(path);
// now add the additional paths
path.insert(path.end(), userPaths.begin(), userPaths.end());
kwsys_stl::string tryPath;
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
p != path.end(); ++p)
{
#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__MINGW32__)
tryPath = *p;
tryPath += "/";
tryPath += name;
tryPath += ".lib";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
#else
tryPath = *p;
tryPath += "/lib";
tryPath += name;
tryPath += ".so";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
tryPath = *p;
tryPath += "/lib";
tryPath += name;
tryPath += ".a";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
tryPath = *p;
tryPath += "/lib";
tryPath += name;
tryPath += ".sl";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
tryPath = *p;
tryPath += "/lib";
tryPath += name;
tryPath += ".dylib";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
tryPath = *p;
tryPath += "/lib";
tryPath += name;
tryPath += ".dll";
if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
#endif
}
// Couldn't find the library.
return "";
}
bool SystemTools::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 SystemTools::ChangeDirectory(const char *dir)
{
return Chdir(dir);
}
kwsys_stl::string SystemTools::GetCurrentWorkingDirectory()
{
char buf[2048];
const char* cwd = Getcwd(buf, 2048);
kwsys_stl::string path;
if ( cwd )
{
path = cwd;
}
return SystemTools::CollapseFullPath(path.c_str());
}
kwsys_stl::string SystemTools::GetProgramPath(const char* in_name)
{
kwsys_stl::string dir, file;
SystemTools::SplitProgramPath(in_name, dir, file);
return dir;
}
bool SystemTools::SplitProgramPath(const char* in_name,
kwsys_stl::string& dir,
kwsys_stl::string& file,
bool)
{
dir = in_name;
file = "";
SystemTools::ConvertToUnixSlashes(dir);
if(!SystemTools::FileIsDirectory(dir.c_str()))
{
kwsys_stl::string::size_type slashPos = dir.rfind("/");
if(slashPos != kwsys_stl::string::npos)
{
file = dir.substr(slashPos+1);
dir = dir.substr(0, slashPos);
}
else
{
file = dir;
dir = "";
}
}
if(!(dir == "") && !SystemTools::FileIsDirectory(dir.c_str()))
{
kwsys_stl::string oldDir = in_name;
SystemTools::ConvertToUnixSlashes(oldDir);
dir = in_name;
return false;
}
return true;
}
bool SystemTools::FindProgramPath(const char* argv0,
kwsys_stl::string& pathOut,
kwsys_stl::string& errorMsg,
const char* exeName,
const char* buildDir,
const char* installPrefix )
{
kwsys_stl::vector<kwsys_stl::string> failures;
kwsys_stl::string self = argv0;
SystemTools::ConvertToUnixSlashes(self);
failures.push_back(argv0);
self = SystemTools::FindProgram(self.c_str());
if(!SystemTools::FileExists(self.c_str()))
{
if(buildDir)
{
kwsys_stl::string intdir = ".";
#ifdef CMAKE_INTDIR
intdir = CMAKE_INTDIR;
#endif
self = buildDir;
self += "/bin/";
self += intdir;
self += "/";
self += exeName;
self += SystemTools::GetExecutableExtension();
}
}
if(installPrefix)
{
if(!SystemTools::FileExists(self.c_str()))
{
failures.push_back(self);
self = installPrefix;
self += "/bin/";
self += exeName;
}
}
if(!SystemTools::FileExists(self.c_str()))
{
failures.push_back(self);
kwsys_ios::ostringstream msg;
msg << "Can not find the command line program " << exeName << "\n";
msg << " argv[0] = \"" << argv0 << "\"\n";
msg << " Attempted paths:\n";
kwsys_stl::vector<kwsys_stl::string>::iterator i;
for(i=failures.begin(); i != failures.end(); ++i)
{
msg << " \"" << i->c_str() << "\"\n";
}
errorMsg = msg.str();
return false;
}
pathOut = self;
return true;
}
kwsys_stl::string SystemTools::CollapseFullPath(const char* in_relative)
{
return SystemTools::CollapseFullPath(in_relative, 0);
}
void SystemTools::AddTranslationPath(const char * a, const char * b)
{
kwsys_stl::string path_a = a;
kwsys_stl::string path_b = b;
SystemTools::ConvertToUnixSlashes(path_a);
SystemTools::ConvertToUnixSlashes(path_b);
// First check this is a directory path, since we don't want the table to
// grow too fat
if( SystemTools::FileIsDirectory( path_a.c_str() ) )
{
// Make sure the path is a full path and does not contain no '..'
if( SystemTools::FileIsFullPath(path_b.c_str()) && path_b.find("..")
== kwsys_stl::string::npos )
{
// Before inserting make sure path ends with '/'
path_a += '/'; path_b += '/';
if( !(path_a == path_b) )
{
SystemTools::TranslationMap->insert(
SystemToolsTranslationMap::value_type(path_a, path_b));
}
}
}
}
void SystemTools::AddKeepPath(const char* dir)
{
kwsys_stl::string cdir = SystemTools::CollapseFullPath(dir);
SystemTools::AddTranslationPath(cdir.c_str(), dir);
}
void SystemTools::CheckTranslationPath(kwsys_stl::string & path)
{
// In case a file was specified we still have to go through this:
// Now convert any path found in the table back to the one desired:
kwsys_stl::map<kwsys_stl::string,kwsys_stl::string>::const_iterator it;
for(it = SystemTools::TranslationMap->begin();
it != SystemTools::TranslationMap->end();
++it )
{
// We need to check of the path is a substring of the other path
// But also check that the last character is a '/' otherwise we could
// have some weird case such as /tmp/VTK and /tmp/VTK-bin
if(path.size() > 1 && path[path.size()-1] != '/')
{
// Do not append '/' on a program name:
if( SystemTools::FileIsDirectory( path.c_str() ) )
{
path += "/";
}
}
if(path.find( it->first ) == 0)
{
path = path.replace( 0, it->first.size(), it->second);
}
}
}
kwsys_stl::string SystemTools::CollapseFullPath(const char* in_relative,
const char* in_base)
{
kwsys_stl::string orig;
// Change to base of relative path.
if(in_base)
{
// Save original working directory.
orig = SystemTools::GetCurrentWorkingDirectory();
Chdir(in_base);
}
kwsys_stl::string dir, file;
SystemTools::SplitProgramPath(in_relative, dir, file, false);
if(dir.size() == 0 &&
in_relative && strlen(in_relative) > 0 &&
in_relative[0] == '/')
{
dir = "/";
}
// Resolve relative path.
kwsys_stl::string newDir;
if(!(dir == ""))
{
Realpath(dir.c_str(), newDir);
}
else
{
newDir = SystemTools::GetCurrentWorkingDirectory();
}
if(in_base)
{
// Restore original working directory.
Chdir(orig.c_str());
}
// Construct and return the full path.
kwsys_stl::string newPath = newDir;
if(!(file == ""))
{
if(!(newDir.size() == 1 && newDir[0] == '/'))
{
newPath += "/";
}
newPath += file;
}
// Now we need to update the translation table with this potentially new path
SystemTools::AddTranslationPath(newPath.c_str(), in_relative);
SystemTools::CheckTranslationPath(newPath);
return newPath;
}
//----------------------------------------------------------------------------
void SystemTools::SplitPath(const char* p,
kwsys_stl::vector<kwsys_stl::string>& components)
{
// Identify the root component.
const char* c = p;
if(c[0] == '/' && c[1] == '/')
{
// Network path.
components.push_back("//");
c += 2;
}
else if(c[0] == '/')
{
// Unix path.
components.push_back("/");
c += 1;
}
else if(c[0] && c[1] == ':' && c[2] == '/')
{
// Windows path.
kwsys_stl::string root = "_:/";
root[0] = c[0];
components.push_back(root);
c += 3;
}
else if(c[0] && c[1] == ':')
{
// Path relative to a windows drive working directory.
kwsys_stl::string root = "_:";
root[0] = c[0];
components.push_back(root);
c += 2;
}
else
{
// Relative path.
components.push_back("");
}
// Parse the remaining components.
const char* first = c;
const char* last = first;
for(;*last; ++last)
{
if(*last == '/')
{
// End of a component. Save it.
components.push_back(kwsys_stl::string(first, last-first));
first = last+1;
}
}
// Save the last component unless there were no components.
if(last != c)
{
components.push_back(kwsys_stl::string(first, last-first));
}
}
//----------------------------------------------------------------------------
kwsys_stl::string
SystemTools::JoinPath(const kwsys_stl::vector<kwsys_stl::string>& components)
{
kwsys_stl::string result;
if(components.size() > 0)
{
result += components[0];
}
if(components.size() > 1)
{
result += components[1];
}
for(unsigned int i=2; i < components.size(); ++i)
{
result += "/";
result += components[i];
}
return result;
}
bool SystemTools::Split(const char* str, kwsys_stl::vector<kwsys_stl::string>& lines)
{
kwsys_stl::string data(str);
kwsys_stl::string::size_type lpos = 0;
while(lpos < data.length())
{
kwsys_stl::string::size_type rpos = data.find_first_of("\n", lpos);
if(rpos == kwsys_stl::string::npos)
{
// Line ends at end of string without a newline.
lines.push_back(data.substr(lpos));
return false;
}
if((rpos > lpos) && (data[rpos-1] == '\r'))
{
// Line ends in a "\r\n" pair, remove both characters.
lines.push_back(data.substr(lpos, (rpos-1)-lpos));
}
else
{
// Line ends in a "\n", remove the character.
lines.push_back(data.substr(lpos, rpos-lpos));
}
lpos = rpos+1;
}
return true;
}
/**
* Return path of a full filename (no trailing slashes).
* Warning: returned path is converted to Unix slashes format.
*/
kwsys_stl::string SystemTools::GetFilenamePath(const kwsys_stl::string& filename)
{
kwsys_stl::string fn = filename;
SystemTools::ConvertToUnixSlashes(fn);
kwsys_stl::string::size_type slash_pos = fn.rfind("/");
if(slash_pos != kwsys_stl::string::npos)
{
return fn.substr(0, slash_pos);
}
else
{
return "";
}
}
/**
* Return file name of a full filename (i.e. file name without path).
*/
kwsys_stl::string SystemTools::GetFilenameName(const kwsys_stl::string& filename)
{
kwsys_stl::string fn = filename;
SystemTools::ConvertToUnixSlashes(fn);
kwsys_stl::string::size_type slash_pos = fn.rfind("/");
if(slash_pos != kwsys_stl::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)
*/
kwsys_stl::string SystemTools::GetFilenameExtension(const kwsys_stl::string& filename)
{
kwsys_stl::string name = SystemTools::GetFilenameName(filename);
kwsys_stl::string::size_type dot_pos = name.find(".");
if(dot_pos != kwsys_stl::string::npos)
{
return name.substr(dot_pos);
}
else
{
return "";
}
}
/**
* Return file extension of a full filename (dot included).
* Warning: this is the shortest extension (for example: .tar.gz)
*/
kwsys_stl::string SystemTools::GetFilenameLastExtension(const kwsys_stl::string& filename)
{
kwsys_stl::string name = SystemTools::GetFilenameName(filename);
kwsys_stl::string::size_type dot_pos = name.rfind(".");
if(dot_pos != kwsys_stl::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)
*/
kwsys_stl::string SystemTools::GetFilenameWithoutExtension(const kwsys_stl::string& filename)
{
kwsys_stl::string name = SystemTools::GetFilenameName(filename);
kwsys_stl::string::size_type dot_pos = name.find(".");
if(dot_pos != kwsys_stl::string::npos)
{
return name.substr(0, dot_pos);
}
else
{
return name;
}
}
/**
* Return file name without extension of a full filename (i.e. without path).
* Warning: it considers the last extension (for example: removes .gz
* from .tar.gz)
*/
kwsys_stl::string
SystemTools::GetFilenameWithoutLastExtension(const kwsys_stl::string& filename)
{
kwsys_stl::string name = SystemTools::GetFilenameName(filename);
kwsys_stl::string::size_type dot_pos = name.rfind(".");
if(dot_pos != kwsys_stl::string::npos)
{
return name.substr(0, dot_pos);
}
else
{
return name;
}
}
bool SystemTools::FileIsFullPath(const char* in_name)
{
kwsys_stl::string name = in_name;
#if defined(_WIN32) || defined(__CYGWIN__)
// On Windows, the name must be at least two characters long.
if(name.length() < 2)
{
return false;
}
if(name[1] == ':')
{
return true;
}
if(name[0] == '\\')
{
return true;
}
#else
// On UNIX, the name must be at least one character long.
if(name.length() < 1)
{
return false;
}
#endif
// On UNIX, the name must begin in a '/'.
// On Windows, if the name begins in a '/', then it is a full
// network path.
if(name[0] == '/')
{
return true;
}
return false;
}
bool SystemTools::GetShortPath(const char* path, kwsys_stl::string& shortPath)
{
#if defined(WIN32) && !defined(__CYGWIN__)
const int size = int(strlen(path)) +1; // size of return
char *buffer = new char[size]; // create a buffer
char *tempPath = new char[size]; // create a buffer
int ret;
// if the path passed in has quotes around it, first remove the quotes
if (path[0] == '"' && path[strlen(path)-1] == '"')
{
strcpy(tempPath,path+1);
tempPath[strlen(tempPath)-1] = '\0';
}
else
{
strcpy(tempPath,path);
}
buffer[0] = 0;
ret = GetShortPathName(tempPath, buffer, size);
if(buffer[0] == 0 || ret > size)
{
delete [] buffer;
delete [] tempPath;
return false;
}
else
{
shortPath = buffer;
delete [] buffer;
delete [] tempPath;
return true;
}
#else
shortPath = path;
return true;
#endif
}
void SystemTools::SplitProgramFromArgs(const char* path,
kwsys_stl::string& program, kwsys_stl::string& args)
{
// see if this is a full path to a program
// if so then set program to path and args to nothing
if(SystemTools::FileExists(path))
{
program = path;
args = "";
return;
}
// Try to find the program in the path, note the program
// may have spaces in its name so we have to look for it
kwsys_stl::vector<kwsys_stl::string> e;
kwsys_stl::string findProg = SystemTools::FindProgram(path, e);
if(findProg.size())
{
program = findProg;
args = "";
return;
}
// Now try and peel off space separated chunks from the end of the string
// so the largest path possible is found allowing for spaces in the path
kwsys_stl::string dir = path;
kwsys_stl::string::size_type spacePos = dir.rfind(' ');
while(spacePos != kwsys_stl::string::npos)
{
kwsys_stl::string tryProg = dir.substr(0, spacePos);
// See if the file exists
if(SystemTools::FileExists(tryProg.c_str()))
{
program = tryProg;
// remove trailing spaces from program
kwsys_stl::string::size_type pos = program.size()-1;
while(program[pos] == ' ')
{
program.erase(pos);
pos--;
}
args = dir.substr(spacePos, dir.size()-spacePos);
return;
}
// Now try and find the the program in the path
findProg = SystemTools::FindProgram(tryProg.c_str(), e);
if(findProg.size())
{
program = findProg;
// remove trailing spaces from program
kwsys_stl::string::size_type pos = program.size()-1;
while(program[pos] == ' ')
{
program.erase(pos);
pos--;
}
args = dir.substr(spacePos, dir.size()-spacePos);
return;
}
// move past the space for the next search
spacePos--;
spacePos = dir.rfind(' ', spacePos);
}
program = "";
args = "";
}
kwsys_stl::string SystemTools::GetCurrentDateTime(const char* format)
{
char buf[1024];
time_t t;
time(&t);
strftime(buf, sizeof(buf), format, localtime(&t));
return buf;
}
kwsys_stl::string SystemTools::MakeCindentifier(const char* s)
{
kwsys_stl::string str(s);
if (str.find_first_of("0123456789") == 0)
{
str = "_" + str;
}
kwsys_stl::string permited_chars("_"
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"0123456789");
kwsys_stl::string::size_type pos = 0;
while ((pos = str.find_first_not_of(permited_chars, pos)) != kwsys_stl::string::npos)
{
str[pos] = '_';
}
return str;
}
// Due to a buggy stream library on the HP and another on Mac OSX, we
// need this very carefully written version of getline. Returns true
// if any data were read before the end-of-file was reached.
bool SystemTools::GetLineFromStream(kwsys_ios::istream& is, kwsys_stl::string& line,
bool *has_newline /* = 0 */)
{
const int bufferSize = 1024;
char buffer[bufferSize];
line = "";
bool haveData = false;
if ( has_newline )
{
*has_newline = false;
}
// If no characters are read from the stream, the end of file has
// been reached.
while((is.getline(buffer, bufferSize), is.gcount() > 0))
{
haveData = true;
line.append(buffer);
// If newline character was read, the gcount includes the
// character, but the buffer does not. The end of line has been
// reached.
if(strlen(buffer) < static_cast<size_t>(is.gcount()))
{
if ( has_newline )
{
*has_newline = true;
}
break;
}
// The fail bit may be set. Clear it.
is.clear(is.rdstate() & ~kwsys_ios::ios::failbit);
}
return haveData;
}
int SystemTools::GetTerminalWidth()
{
int width = -1;
#ifndef _WIN32
struct winsize ws;
char *columns; /* Unix98 environment variable */
if(ioctl(1, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0)
{
width = ws.ws_col;
}
if(!isatty(STDOUT_FILENO))
{
width = -1;
}
columns = getenv("COLUMNS");
if(columns && *columns)
{
long t;
char *endptr;
t = strtol(columns, &endptr, 0);
if(endptr && !*endptr && (t>0) && (t<1000))
{
width = (int)t;
}
}
if ( width < 9 )
{
width = -1;
}
#endif
return width;
}
bool SystemTools::GetPermissions(const char* file, mode_t& mode)
{
if ( !file )
{
return false;
}
struct stat st;
if ( stat(file, &st) < 0 )
{
return false;
}
mode = st.st_mode;
return true;
}
bool SystemTools::SetPermissions(const char* file, mode_t mode)
{
if ( !file )
{
return false;
}
if ( !SystemTools::FileExists(file) )
{
return false;
}
if ( chmod(file, mode) < 0 )
{
return false;
}
return true;
}
kwsys_stl::string SystemTools::GetParentDirectory(const char* fileOrDir)
{
if ( !fileOrDir || !*fileOrDir )
{
return "";
}
kwsys_stl::string res = fileOrDir;
SystemTools::ConvertToUnixSlashes(res);
kwsys_stl::string::size_type cc = res.size()-1;
if ( res[cc] == '/' )
{
cc --;
}
for ( ; cc > 0; cc -- )
{
if ( res[cc] == '/' )
{
break;
}
}
return res.substr(0, cc);
}
bool SystemTools::IsSubDirectory(const char* cSubdir, const char* cDir)
{
kwsys_stl::string subdir = cSubdir;
kwsys_stl::string dir = cDir;
SystemTools::ConvertToUnixSlashes(dir);
kwsys_stl::string path = subdir;
do
{
path = SystemTools::GetParentDirectory(path.c_str());
if ( dir == path )
{
return true;
}
}
while ( path.size() > dir.size() );
return false;
}
kwsys_stl::string SystemTools::FileExistsInParentDirectories(const char* fname,
const char* directory, const char* toplevel)
{
kwsys_stl::string file = fname;
SystemTools::ConvertToUnixSlashes(file);
kwsys_stl::string dir = directory;
SystemTools::ConvertToUnixSlashes(dir);
while ( !dir.empty() )
{
kwsys_stl::string path = dir + "/" + file;
if ( SystemTools::FileExists(path.c_str()) )
{
return path;
}
if ( dir.size() < strlen(toplevel) )
{
break;
}
dir = SystemTools::GetParentDirectory(dir.c_str());
}
return "";
}
void SystemTools::Delay(unsigned int msec)
{
#ifdef _WIN32
Sleep(msec);
#else
usleep(msec * 1000);
#endif
}
// These must NOT be initialized. Default initialization to zero is
// necessary.
unsigned int SystemToolsManagerCount;
SystemToolsTranslationMap *SystemTools::TranslationMap;
// SystemToolsManager manages the SystemTools singleton.
// SystemToolsManager should be included in any translation unit
// that will use SystemTools or that implements the singleton
// pattern. It makes sure that the SystemTools singleton is created
// before and destroyed after all other singletons in CMake.
SystemToolsManager::SystemToolsManager()
{
if(++SystemToolsManagerCount == 1)
{
SystemTools::ClassInitialize();
}
}
SystemToolsManager::~SystemToolsManager()
{
if(--SystemToolsManagerCount == 0)
{
SystemTools::ClassFinalize();
}
}
void SystemTools::ClassInitialize()
{
// Allocate the translation map first.
SystemTools::TranslationMap = new SystemToolsTranslationMap;
// Add some special translation paths for unix. These are not added
// for windows because drive letters need to be maintained. Also,
// there are not sym-links and mount points on windows anyway.
#if !defined(_WIN32) || defined(__CYGWIN__)
// Work-around an SGI problem by always adding this mapping:
SystemTools::AddTranslationPath("/tmp_mnt/", "/");
// The tmp path is frequently a logical path so always keep it:
SystemTools::AddKeepPath("/tmp/");
// If the current working directory is a logical path then keep the
// logical name.
if(const char* pwd = getenv("PWD"))
{
char buf[2048];
if(const char* cwd = Getcwd(buf, 2048))
{
kwsys_stl::string pwd_path;
Realpath(pwd, pwd_path);
if(cwd == pwd_path && strcmp(cwd, pwd) != 0)
{
// The current working directory is a logical path. Split
// both the logical and physical paths into their components.
kwsys_stl::vector<kwsys_stl::string> cwd_components;
kwsys_stl::vector<kwsys_stl::string> pwd_components;
SystemTools::SplitPath(cwd, cwd_components);
SystemTools::SplitPath(pwd, pwd_components);
// Remove the common ending of the paths to leave only the
// part that changes under the logical mapping.
kwsys_stl::vector<kwsys_stl::string>::iterator ic = cwd_components.end();
kwsys_stl::vector<kwsys_stl::string>::iterator ip = pwd_components.end();
for(;ip != pwd_components.begin() && ic != cwd_components.begin() &&
*(ip-1) == *(ic-1); --ip,--ic);
cwd_components.erase(ic, cwd_components.end());
pwd_components.erase(ip, pwd_components.end());
// Reconstruct the string versions of the part of the path
// that changed.
kwsys_stl::string cwd_changed = SystemTools::JoinPath(cwd_components);
kwsys_stl::string pwd_changed = SystemTools::JoinPath(pwd_components);
// Add the translation to keep the logical path name.
if(!cwd_changed.empty() && !pwd_changed.empty())
{
SystemTools::AddTranslationPath(cwd_changed.c_str(),
pwd_changed.c_str());
}
}
}
}
#endif
}
void SystemTools::ClassFinalize()
{
delete SystemTools::TranslationMap;
}
} // namespace KWSYS_NAMESPACE
#if defined(_MSC_VER) && defined(_DEBUG)
# include <crtdbg.h>
# include <stdio.h>
# include <stdlib.h>
namespace KWSYS_NAMESPACE
{
static int SystemToolsDebugReport(int, char* message, int*)
{
fprintf(stderr, message);
exit(1);
}
void SystemTools::EnableMSVCDebugHook()
{
if(getenv("DART_TEST_FROM_DART"))
{
_CrtSetReportHook(SystemToolsDebugReport);
}
}
} // namespace KWSYS_NAMESPACE
#else
namespace KWSYS_NAMESPACE
{
void SystemTools::EnableMSVCDebugHook() {}
} // namespace KWSYS_NAMESPACE
#endif
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