CMake/Source/kwsys/SystemTools.cxx

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/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifdef __osf__
# define _OSF_SOURCE
# define _POSIX_C_SOURCE 199506L
# define _XOPEN_SOURCE_EXTENDED
#endif
#include "kwsysPrivate.h"
#include KWSYS_HEADER(RegularExpression.hxx)
#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)
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
# include "SystemTools.hxx.in"
# include "Directory.hxx.in"
# include "kwsys_ios_iostream.h.in"
# include "kwsys_ios_fstream.h.in"
# include "kwsys_ios_sstream.h.in"
#endif
#ifdef _MSC_VER
# pragma warning (disable: 4786)
#endif
#if defined(__sgi) && !defined(__GNUC__)
# pragma set woff 1375 /* base class destructor not virtual */
#endif
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#include <ctype.h>
#include <errno.h>
#ifdef __QNX__
# include <malloc.h> /* for malloc/free on QNX */
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#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
// support for realpath call
#ifndef _WIN32
#include <sys/time.h>
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#include <utime.h>
#include <limits.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <unistd.h>
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#include <pwd.h>
#ifndef __VMS
#include <sys/param.h>
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#include <termios.h>
#endif
#include <signal.h> /* sigprocmask */
#endif
// Windows API.
#if defined(_WIN32)
# include <windows.h>
#elif defined (__CYGWIN__)
# include <windows.h>
# undef _WIN32
#endif
#ifdef __CYGWIN__
extern "C" void cygwin_conv_to_win32_path(const char *path, char *win32_path);
#endif
// getpwnam doesn't exist on Windows and Cray Xt3/Catamount
// same for TIOCGWINSZ
#if defined(_WIN32) || defined (__LIBCATAMOUNT__)
# undef HAVE_GETPWNAM
# undef HAVE_TTY_INFO
#else
# define HAVE_GETPWNAM 1
# define HAVE_TTY_INFO 1
#endif
#define VTK_URL_PROTOCOL_REGEX "([a-zA-Z0-9]*)://(.*)"
#define VTK_URL_REGEX "([a-zA-Z0-9]*)://(([A-Za-z0-9]+)(:([^:@]+))?@)?([^:@/]+)(:([0-9]+))?/(.+)?"
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#ifdef _MSC_VER
#include <sys/utime.h>
#else
#include <utime.h>
#endif
// This is a hack to prevent warnings about these functions being
// declared but not referenced.
#if defined(__sgi) && !defined(__GNUC__)
# include <sys/termios.h>
namespace KWSYS_NAMESPACE
{
class SystemToolsHack
{
public:
enum
{
Ref1 = sizeof(cfgetospeed(0)),
Ref2 = sizeof(cfgetispeed(0)),
Ref3 = sizeof(tcgetattr(0, 0)),
Ref4 = sizeof(tcsetattr(0, 0, 0)),
Ref5 = sizeof(cfsetospeed(0,0)),
Ref6 = sizeof(cfsetispeed(0,0))
};
};
}
#endif
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#if defined(_WIN32) && (defined(_MSC_VER) || defined(__WATCOMC__) ||defined(__BORLANDC__) || defined(__MINGW32__))
#include <io.h>
#include <direct.h>
#define _unlink unlink
#endif
/* The maximum length of a file name. */
#if defined(PATH_MAX)
# define KWSYS_SYSTEMTOOLS_MAXPATH PATH_MAX
#elif defined(MAXPATHLEN)
# define KWSYS_SYSTEMTOOLS_MAXPATH MAXPATHLEN
#else
# define KWSYS_SYSTEMTOOLS_MAXPATH 16384
#endif
#if defined(__WATCOMC__)
#include <direct.h>
#define _mkdir mkdir
#define _rmdir rmdir
#define _getcwd getcwd
#define _chdir chdir
#endif
#if defined(__HAIKU__)
#include <os/kernel/OS.h>
#include <os/storage/Path.h>
#endif
#if defined(__BEOS__) && !defined(__ZETA__) && !defined(__HAIKU__)
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#include <be/kernel/OS.h>
#include <be/storage/Path.h>
// BeOS 5 doesn't have usleep(), but it has snooze(), which is identical.
static inline void usleep(unsigned int msec)
{
::snooze(msec);
}
// BeOS 5 also doesn't have realpath(), but its C++ API offers something close.
static inline char *realpath(const char *path, char *resolved_path)
{
const size_t maxlen = KWSYS_SYSTEMTOOLS_MAXPATH;
snprintf(resolved_path, maxlen, "%s", path);
BPath normalized(resolved_path, NULL, true);
const char *resolved = normalized.Path();
if (resolved != NULL) // NULL == No such file.
{
if (snprintf(resolved_path, maxlen, "%s", resolved) < maxlen)
{
return resolved_path;
}
}
return NULL; // something went wrong.
}
#endif
#if defined(_WIN32) && (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__) || defined(__MINGW32__))
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)
{
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const char* ret = _getcwd(buf, len);
if(!ret)
{
fprintf(stderr, "No current working directory.\n");
abort();
}
// make sure the drive letter is capital
if(strlen(buf) > 1 && buf[1] == ':')
{
buf[0] = toupper(buf[0]);
}
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return ret;
}
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
{
resolved_path = 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)
{
const char* ret = getcwd(buf, len);
if(!ret)
{
fprintf(stderr, "No current working directory\n");
abort();
}
return ret;
}
inline int Chdir(const char* dir)
{
return chdir(dir);
}
inline void Realpath(const char *path, kwsys_stl::string & resolved_path)
{
char resolved_name[KWSYS_SYSTEMTOOLS_MAXPATH];
char *ret = realpath(path, resolved_name);
if(ret)
{
resolved_path = ret;
}
else
{
// if path resolution fails, return what was passed in
resolved_path = path;
}
}
#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
namespace KWSYS_NAMESPACE
{
double SystemTools::GetTime(void)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
return (429.4967296*ft.dwHighDateTime
+ 0.0000001*ft.dwLowDateTime
- 11644473600.0);
#else
struct timeval t;
gettimeofday(&t, 0);
return 1.0*double(t.tv_sec) + 0.000001*double(t.tv_usec);
#endif
}
class SystemToolsTranslationMap :
public kwsys_stl::map<kwsys_stl::string,kwsys_stl::string>
{
};
// 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;
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// 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);
}
}
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const char* SystemTools::GetEnv(const char* key)
{
return getenv(key);
}
bool SystemTools::GetEnv(const char* key, kwsys_stl::string& result)
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{
const char* v = getenv(key);
if(v)
{
result = v;
return true;
}
else
{
return false;
}
}
#ifdef INTEL_COMPILER
#pragma warning disable 444
#endif
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class kwsysDeletingCharVector : public kwsys_stl::vector<char*>
{
public:
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~kwsysDeletingCharVector();
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};
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kwsysDeletingCharVector::~kwsysDeletingCharVector()
{
#ifndef KWSYS_DO_NOT_CLEAN_PUTENV
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for(kwsys_stl::vector<char*>::iterator i = this->begin();
i != this->end(); ++i)
{
delete []*i;
}
#endif
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}
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bool SystemTools::PutEnv(const char* value)
{
static kwsysDeletingCharVector localEnvironment;
char* envVar = new char[strlen(value)+1];
strcpy(envVar, value);
int ret = putenv(envVar);
// save the pointer in the static vector so that it can
// be deleted on exit
localEnvironment.push_back(envVar);
return ret == 0;
}
#ifdef INTEL_COMPILER
#pragma warning restore 444
#endif
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const char* SystemTools::GetExecutableExtension()
{
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#if defined(_WIN32) || defined(__CYGWIN__) || defined(__VMS)
return ".exe";
#else
return "";
#endif
}
bool SystemTools::MakeDirectory(const char* path)
{
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if(!path)
{
return false;
}
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)
{
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const char *src = source.c_str();
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char *searchPos = const_cast<char *>(strstr(src,replace));
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// get out quick if string is not found
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if (!searchPos)
{
return;
}
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// perform replacements until done
size_t replaceSize = strlen(replace);
// do while hangs if replaceSize is 0
if(replaceSize == 0)
{
return;
}
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char *orig = strdup(src);
char *currentPos = orig;
searchPos = searchPos - src + orig;
// initialize the result
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source.erase(source.begin(),source.end());
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do
{
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*searchPos = '\0';
source += currentPos;
currentPos = searchPos + replaceSize;
// replace
source += with;
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searchPos = strstr(currentPos,replace);
}
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while (searchPos);
// copy any trailing text
source += currentPos;
free(orig);
}
#if defined(KEY_WOW64_32KEY) && defined(KEY_WOW64_64KEY)
# define KWSYS_ST_KEY_WOW64_32KEY KEY_WOW64_32KEY
# define KWSYS_ST_KEY_WOW64_64KEY KEY_WOW64_64KEY
#else
# define KWSYS_ST_KEY_WOW64_32KEY 0x0200
# define KWSYS_ST_KEY_WOW64_64KEY 0x0100
#endif
#if defined(_WIN32) && !defined(__CYGWIN__)
static DWORD SystemToolsMakeRegistryMode(DWORD mode,
SystemTools::KeyWOW64 view)
{
// only add the modes when on a system that supports Wow64.
static FARPROC wow64p = GetProcAddress(GetModuleHandle("kernel32"),
"IsWow64Process");
if(wow64p == NULL)
{
return mode;
}
if(view == SystemTools::KeyWOW64_32)
{
return mode | KWSYS_ST_KEY_WOW64_32KEY;
}
else if(view == SystemTools::KeyWOW64_64)
{
return mode | KWSYS_ST_KEY_WOW64_64KEY;
}
return mode;
}
#endif
// 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,
KeyWOW64 view)
{
bool valueset = false;
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);
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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,
SystemToolsMakeRegistryMode(KEY_READ, view),
&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;
valueset = true;
}
else if (dwType == REG_EXPAND_SZ)
{
char expanded[1024];
DWORD dwExpandedSize = sizeof(expanded)/sizeof(expanded[0]);
if(ExpandEnvironmentStrings(data, expanded, dwExpandedSize))
{
value = expanded;
valueset = true;
}
}
}
RegCloseKey(hKey);
}
return valueset;
}
#else
bool SystemTools::ReadRegistryValue(const char *, kwsys_stl::string &,
KeyWOW64)
{
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,
KeyWOW64 view)
{
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);
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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;
char lpClass[] = "";
if(RegCreateKeyEx(primaryKey,
second.c_str(),
0,
lpClass,
REG_OPTION_NON_VOLATILE,
SystemToolsMakeRegistryMode(KEY_WRITE, view),
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 *, KeyWOW64)
{
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, KeyWOW64 view)
{
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);
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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,
SystemToolsMakeRegistryMode(KEY_WRITE, view),
&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 *, KeyWOW64)
{
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
}
//----------------------------------------------------------------------------
#if defined(_WIN32) || defined(__CYGWIN__)
static bool WindowsFileExists(const char* filename)
{
WIN32_FILE_ATTRIBUTE_DATA fd;
return GetFileAttributesExA(filename, GetFileExInfoStandard, &fd) != 0;
}
#endif
//----------------------------------------------------------------------------
bool SystemTools::FileExists(const char* filename)
{
if(!(filename && *filename))
{
return false;
}
#if defined(__CYGWIN__)
// Convert filename to native windows path if possible.
char winpath[MAX_PATH];
if(SystemTools::PathCygwinToWin32(filename, winpath))
{
return WindowsFileExists(winpath);
}
return access(filename, R_OK) == 0;
#elif defined(_WIN32)
return WindowsFileExists(filename);
#else
return access(filename, R_OK) == 0;
#endif
}
//----------------------------------------------------------------------------
bool SystemTools::FileExists(const char* filename, bool isFile)
{
if(SystemTools::FileExists(filename))
{
// If isFile is set return not FileIsDirectory,
// so this will only be true if it is a file
return !isFile || !SystemTools::FileIsDirectory(filename);
}
return false;
}
//----------------------------------------------------------------------------
#ifdef __CYGWIN__
bool SystemTools::PathCygwinToWin32(const char *path, char *win32_path)
{
SystemToolsTranslationMap::iterator i =
SystemTools::Cyg2Win32Map->find(path);
if (i != SystemTools::Cyg2Win32Map->end())
{
strncpy(win32_path, i->second.c_str(), MAX_PATH);
}
else
{
cygwin_conv_to_win32_path(path, win32_path);
SystemToolsTranslationMap::value_type entry(path, win32_path);
SystemTools::Cyg2Win32Map->insert(entry);
}
return win32_path[0] != 0;
}
#endif
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bool SystemTools::Touch(const char* filename, bool create)
{
if(create && !SystemTools::FileExists(filename))
{
FILE* file = fopen(filename, "a+b");
if(file)
{
fclose(file);
return true;
}
return false;
}
#ifdef _MSC_VER
#define utime _utime
#define utimbuf _utimbuf
#endif
struct stat fromStat;
if(stat(filename, &fromStat) < 0)
{
return false;
}
struct utimbuf buf;
buf.actime = fromStat.st_atime;
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buf.modtime = static_cast<time_t>(SystemTools::GetTime());
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if(utime(filename, &buf) < 0)
{
return false;
}
return true;
}
bool SystemTools::FileTimeCompare(const char* f1, const char* f2,
int* result)
{
// Default to same time.
*result = 0;
#if !defined(_WIN32) || defined(__CYGWIN__)
// POSIX version. Use stat function to get file modification time.
struct stat s1;
if(stat(f1, &s1) != 0)
{
return false;
}
struct stat s2;
if(stat(f2, &s2) != 0)
{
return false;
}
# if KWSYS_STAT_HAS_ST_MTIM
// Compare using nanosecond resolution.
if(s1.st_mtim.tv_sec < s2.st_mtim.tv_sec)
{
*result = -1;
}
else if(s1.st_mtim.tv_sec > s2.st_mtim.tv_sec)
{
*result = 1;
}
else if(s1.st_mtim.tv_nsec < s2.st_mtim.tv_nsec)
{
*result = -1;
}
else if(s1.st_mtim.tv_nsec > s2.st_mtim.tv_nsec)
{
*result = 1;
}
# else
// Compare using 1 second resolution.
if(s1.st_mtime < s2.st_mtime)
{
*result = -1;
}
else if(s1.st_mtime > s2.st_mtime)
{
*result = 1;
}
# endif
#else
// Windows version. Get the modification time from extended file attributes.
WIN32_FILE_ATTRIBUTE_DATA f1d;
WIN32_FILE_ATTRIBUTE_DATA f2d;
if(!GetFileAttributesEx(f1, GetFileExInfoStandard, &f1d))
{
return false;
}
if(!GetFileAttributesEx(f2, GetFileExInfoStandard, &f2d))
{
return false;
}
// Compare the file times using resolution provided by system call.
*result = (int)CompareFileTime(&f1d.ftLastWriteTime, &f2d.ftLastWriteTime);
#endif
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;
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if(s.size() == 0)
{
return n;
}
n.resize(s.size());
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n[0] = static_cast<kwsys_stl::string::value_type>(toupper(s[0]));
for (size_t i = 1; i < s.size(); i++)
{
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n[i] = static_cast<kwsys_stl::string::value_type>(tolower(s[i]));
}
return n;
}
// Return capitalized words
kwsys_stl::string SystemTools::CapitalizedWords(const kwsys_stl::string& s)
{
kwsys_stl::string n(s);
for (size_t i = 0; i < s.size(); i++)
{
#if defined(_MSC_VER) && defined (_MT) && defined (_DEBUG)
// MS has an assert that will fail if s[i] < 0; setting
// LC_CTYPE using setlocale() does *not* help. Painful.
if ((int)s[i] >= 0 && isalpha(s[i]) &&
(i == 0 || ((int)s[i - 1] >= 0 && isspace(s[i - 1]))))
#else
if (isalpha(s[i]) && (i == 0 || isspace(s[i - 1])))
#endif
{
n[i] = static_cast<kwsys_stl::string::value_type>(toupper(s[i]));
}
}
return n;
}
// Return uncapitalized words
kwsys_stl::string SystemTools::UnCapitalizedWords(const kwsys_stl::string& s)
{
kwsys_stl::string n(s);
for (size_t i = 0; i < s.size(); i++)
{
#if defined(_MSC_VER) && defined (_MT) && defined (_DEBUG)
// MS has an assert that will fail if s[i] < 0; setting
// LC_CTYPE using setlocale() does *not* help. Painful.
if ((int)s[i] >= 0 && isalpha(s[i]) &&
(i == 0 || ((int)s[i - 1] >= 0 && isspace(s[i - 1]))))
#else
if (isalpha(s[i]) && (i == 0 || isspace(s[i - 1])))
#endif
{
n[i] = static_cast<kwsys_stl::string::value_type>(tolower(s[i]));
}
}
return n;
}
// only works for words with at least two letters
kwsys_stl::string SystemTools::AddSpaceBetweenCapitalizedWords(
const kwsys_stl::string& s)
{
kwsys_stl::string n;
if (s.size())
{
n.reserve(s.size());
n += s[0];
for (size_t i = 1; i < s.size(); i++)
{
if (isupper(s[i]) && !isspace(s[i - 1]) && !isupper(s[i - 1]))
{
n += ' ';
}
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n += s[i];
}
}
return n;
}
char* SystemTools::AppendStrings(const char* str1, const char* str2)
{
if (!str1)
{
return SystemTools::DuplicateString(str2);
}
if (!str2)
{
return SystemTools::DuplicateString(str1);
}
size_t len1 = strlen(str1);
char *newstr = new char[len1 + strlen(str2) + 1];
if (!newstr)
{
return 0;
}
strcpy(newstr, str1);
strcat(newstr + len1, str2);
return newstr;
}
char* SystemTools::AppendStrings(
const char* str1, const char* str2, const char* str3)
{
if (!str1)
{
return SystemTools::AppendStrings(str2, str3);
}
if (!str2)
{
return SystemTools::AppendStrings(str1, str3);
}
if (!str3)
{
return SystemTools::AppendStrings(str1, str2);
}
size_t len1 = strlen(str1), len2 = strlen(str2);
char *newstr = new char[len1 + len2 + strlen(str3) + 1];
if (!newstr)
{
return 0;
}
strcpy(newstr, str1);
strcat(newstr + len1, str2);
strcat(newstr + len1 + len2, str3);
return newstr;
}
// 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++)
{
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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++)
{
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n[i] = static_cast<kwsys_stl::string::value_type>(toupper(s[i]));
}
return n;
}
// Count char in string
size_t SystemTools::CountChar(const char* str, char c)
{
size_t count = 0;
if (str)
{
while (*str)
{
if (*str == c)
{
++count;
}
++str;
}
}
return count;
}
// Remove chars in string
char* SystemTools::RemoveChars(const char* str, const char *toremove)
{
if (!str)
{
return NULL;
}
char *clean_str = new char [strlen(str) + 1];
char *ptr = clean_str;
while (*str)
{
const char *str2 = toremove;
while (*str2 && *str != *str2)
{
++str2;
}
if (!*str2)
{
*ptr++ = *str;
}
++str;
}
*ptr = '\0';
return clean_str;
}
// Remove chars in string
char* SystemTools::RemoveCharsButUpperHex(const char* str)
{
if (!str)
{
return 0;
}
char *clean_str = new char [strlen(str) + 1];
char *ptr = clean_str;
while (*str)
{
if ((*str >= '0' && *str <= '9') || (*str >= 'A' && *str <= 'F'))
{
*ptr++ = *str;
}
++str;
}
*ptr = '\0';
return clean_str;
}
// Replace chars in string
char* SystemTools::ReplaceChars(char* str, const char *toreplace, char replacement)
{
if (str)
{
char *ptr = str;
while (*ptr)
{
const char *ptr2 = toreplace;
while (*ptr2)
{
if (*ptr == *ptr2)
{
*ptr = replacement;
}
++ptr2;
}
++ptr;
}
}
return str;
}
// Returns if string starts with another string
bool SystemTools::StringStartsWith(const char* str1, const char* str2)
{
if (!str1 || !str2)
{
return false;
}
size_t len1 = strlen(str1), len2 = strlen(str2);
return len1 >= len2 && !strncmp(str1, str2, len2) ? true : false;
}
// Returns if string ends with another string
bool SystemTools::StringEndsWith(const char* str1, const char* str2)
{
if (!str1 || !str2)
{
return false;
}
size_t len1 = strlen(str1), len2 = strlen(str2);
return len1 >= len2 && !strncmp(str1 + (len1 - len2), str2, len2) ? true : false;
}
// Returns a pointer to the last occurence of str2 in str1
const char* SystemTools::FindLastString(const char* str1, const char* str2)
{
if (!str1 || !str2)
{
return NULL;
}
size_t len1 = strlen(str1), len2 = strlen(str2);
if (len1 >= len2)
{
const char *ptr = str1 + len1 - len2;
do
{
if (!strncmp(ptr, str2, len2))
{
return ptr;
}
} while (ptr-- != str1);
}
return NULL;
}
// Duplicate string
char* SystemTools::DuplicateString(const char* str)
{
if (str)
{
char *newstr = new char [strlen(str) + 1];
return strcpy(newstr, str);
}
return NULL;
}
// Return a cropped string
kwsys_stl::string SystemTools::CropString(const kwsys_stl::string& s,
size_t max_len)
{
if (!s.size() || max_len == 0 || max_len >= s.size())
{
return s;
}
kwsys_stl::string n;
n.reserve(max_len);
size_t middle = max_len / 2;
n += s.substr(0, middle);
n += s.substr(s.size() - (max_len - middle), kwsys_stl::string::npos);
if (max_len > 2)
{
n[middle] = '.';
if (max_len > 3)
{
n[middle - 1] = '.';
if (max_len > 4)
{
n[middle + 1] = '.';
}
}
}
return n;
}
2006-02-07 18:23:17 +03:00
//----------------------------------------------------------------------------
kwsys_stl::vector<kwsys::String> SystemTools::SplitString(const char* p, char sep, bool isPath)
2006-02-07 18:23:17 +03:00
{
kwsys_stl::string path = p;
kwsys_stl::vector<kwsys::String> paths;
if(path.empty())
{
return paths;
}
2006-02-07 18:23:17 +03:00
if(isPath && path[0] == '/')
{
path.erase(path.begin());
paths.push_back("/");
}
kwsys_stl::string::size_type pos1 = 0;
kwsys_stl::string::size_type pos2 = path.find(sep, pos1+1);
while(pos2 != kwsys_stl::string::npos)
2006-02-07 18:23:17 +03:00
{
paths.push_back(path.substr(pos1, pos2-pos1));
pos1 = pos2+1;
pos2 = path.find(sep, pos1+1);
}
paths.push_back(path.substr(pos1, pos2-pos1));
return paths;
}
//----------------------------------------------------------------------------
int SystemTools::EstimateFormatLength(const char *format, va_list ap)
{
if (!format)
{
return 0;
}
// Quick-hack attempt at estimating the length of the string.
// Should never under-estimate.
// Start with the length of the format string itself.
size_t length = strlen(format);
// Increase the length for every argument in the format.
const char* cur = format;
while(*cur)
{
if(*cur++ == '%')
{
// Skip "%%" since it doesn't correspond to a va_arg.
if(*cur != '%')
{
while(!int(isalpha(*cur)))
{
++cur;
}
switch (*cur)
{
case 's':
{
// Check the length of the string.
char* s = va_arg(ap, char*);
if(s)
{
length += strlen(s);
}
} break;
case 'e':
case 'f':
case 'g':
{
// Assume the argument contributes no more than 64 characters.
length += 64;
// Eat the argument.
static_cast<void>(va_arg(ap, double));
} break;
default:
{
// Assume the argument contributes no more than 64 characters.
length += 64;
// Eat the argument.
static_cast<void>(va_arg(ap, int));
} break;
}
}
// Move past the characters just tested.
++cur;
}
}
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return static_cast<int>(length);
}
kwsys_stl::string SystemTools::EscapeChars(
const char *str,
const char *chars_to_escape,
char escape_char)
{
kwsys_stl::string n;
if (str)
{
if (!chars_to_escape | !*chars_to_escape)
{
n.append(str);
}
else
{
n.reserve(strlen(str));
while (*str)
{
const char *ptr = chars_to_escape;
while (*ptr)
{
if (*str == *ptr)
{
n += escape_char;
break;
}
++ptr;
}
n += *str;
++str;
}
}
}
return n;
}
#ifdef __VMS
static void ConvertVMSToUnix(kwsys_stl::string& path)
{
kwsys_stl::string::size_type rootEnd = path.find(":[");
kwsys_stl::string::size_type pathEnd = path.find("]");
if(rootEnd != path.npos)
{
kwsys_stl::string root = path.substr(0, rootEnd);
kwsys_stl::string pathPart = path.substr(rootEnd+2, pathEnd - rootEnd-2);
const char* pathCString = pathPart.c_str();
const char* pos0 = pathCString;
for (kwsys_stl::string::size_type pos = 0; *pos0; ++ pos )
{
if ( *pos0 == '.' )
{
pathPart[pos] = '/';
}
pos0 ++;
}
path = "/"+ root + "/" + pathPart;
}
}
#endif
// convert windows slashes to unix slashes
void SystemTools::ConvertToUnixSlashes(kwsys_stl::string& path)
{
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const char* pathCString = path.c_str();
bool hasDoubleSlash = false;
#ifdef __VMS
ConvertVMSToUnix(path);
#else
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const char* pos0 = pathCString;
const char* pos1 = pathCString+1;
for (kwsys_stl::string::size_type pos = 0; *pos0; ++ pos )
{
// make sure we don't convert an escaped space to a unix slash
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if ( *pos0 == '\\' && *pos1 != ' ' )
{
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path[pos] = '/';
}
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// Also, reuse the loop to check for slash followed by another slash
if (*pos1 == '/' && *(pos1+1) == '/' && !hasDoubleSlash)
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{
#ifdef _WIN32
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// However, on windows if the first characters are both slashes,
// then keep them that way, so that network paths can be handled.
if ( pos > 0)
{
hasDoubleSlash = true;
}
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#else
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hasDoubleSlash = true;
#endif
2005-04-13 21:59:48 +04:00
}
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pos0 ++;
pos1 ++;
}
if ( hasDoubleSlash )
{
SystemTools::ReplaceString(path, "//", "/");
}
#endif
// remove any trailing slash
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if(!path.empty())
{
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// if there is a tilda ~ then replace it with HOME
pathCString = path.c_str();
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if(pathCString[0] == '~' && (pathCString[1] == '/' || pathCString[1] == '\0'))
2005-04-13 21:59:48 +04:00
{
const char* homeEnv = SystemTools::GetEnv("HOME");
if (homeEnv)
{
path.replace(0,1,homeEnv);
}
}
#ifdef HAVE_GETPWNAM
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else if(pathCString[0] == '~')
{
kwsys_stl::string::size_type idx = path.find_first_of("/\0");
kwsys_stl::string user = path.substr(1, idx-1);
passwd* pw = getpwnam(user.c_str());
if(pw)
{
path.replace(0, idx, pw->pw_dir);
}
}
#endif
// remove trailing slash if the path is more than
// a single /
pathCString = path.c_str();
if(path.size() > 1 && *(pathCString+(path.size()-1)) == '/')
{
// if it is c:/ then do not remove the trailing slash
if(!((path.size() == 3 && pathCString[1] == ':')))
{
path = path.substr(0, path.size()-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);
}
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// escape spaces and () in the path
if(ret.find_first_of(" ") != 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;
// make it big enough for all of path and double quotes
ret.reserve(strlen(path)+3);
// put path into the string
ret.assign(path);
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] != '\"')
{
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ret.insert(static_cast<kwsys_stl::string::size_type>(0),
static_cast<kwsys_stl::string::size_type>(1), '\"');
ret.append(1, '\"');
}
return ret;
}
bool SystemTools::CopyFileIfDifferent(const char* source,
const char* destination)
{
// special check for a destination that is a directory
// FilesDiffer does not handle file to directory compare
if(SystemTools::FileIsDirectory(destination))
{
kwsys_stl::string new_destination = destination;
SystemTools::ConvertToUnixSlashes(new_destination);
new_destination += '/';
kwsys_stl::string source_name = source;
new_destination += SystemTools::GetFilenameName(source_name);
if(SystemTools::FilesDiffer(source, new_destination.c_str()))
{
return SystemTools::CopyFileAlways(source, destination);
}
else
{
// the files are the same so the copy is done return
// true
return true;
}
}
// source and destination are files so do a copy if they
// are different
if(SystemTools::FilesDiffer(source, destination))
{
return SystemTools::CopyFileAlways(source, destination);
}
// at this point the files must be the same so return true
return true;
}
#define KWSYS_ST_BUFFER 4096
bool SystemTools::FilesDiffer(const char* source,
2009-03-18 15:50:55 +03:00
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;
}
// Compare the files a block at a time.
char source_buf[KWSYS_ST_BUFFER];
char dest_buf[KWSYS_ST_BUFFER];
off_t nleft = statSource.st_size;
while(nleft > 0)
{
// Read a block from each file.
kwsys_ios::streamsize nnext = (nleft > KWSYS_ST_BUFFER)? KWSYS_ST_BUFFER : static_cast<kwsys_ios::streamsize>(nleft);
finSource.read(source_buf, nnext);
finDestination.read(dest_buf, nnext);
// If either failed to read assume they are different.
if(static_cast<kwsys_ios::streamsize>(finSource.gcount()) != nnext ||
static_cast<kwsys_ios::streamsize>(finDestination.gcount()) != nnext)
{
return true;
}
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// If this block differs the file differs.
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if(memcmp(static_cast<const void*>(source_buf),
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static_cast<const void*>(dest_buf),
static_cast<size_t>(nnext)) != 0)
{
return true;
}
// Update the byte count remaining.
nleft -= nnext;
}
// No differences found.
return false;
}
//----------------------------------------------------------------------------
/**
* 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();
if(!fout)
{
return false;
}
if ( perms )
{
if ( !SystemTools::SetPermissions(destination, perm) )
{
return false;
}
}
return true;
}
//----------------------------------------------------------------------------
bool SystemTools::CopyAFile(const char* source, const char* destination,
bool always)
{
if(always)
{
return SystemTools::CopyFileAlways(source, destination);
}
else
{
return SystemTools::CopyFileIfDifferent(source, destination);
}
}
/**
* Copy a directory content from "source" directory to the directory named by
* "destination".
*/
bool SystemTools::CopyADirectory(const char* source, const char* destination,
bool always)
{
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(),
always))
{
return false;
}
}
else
{
if(!SystemTools::CopyAFile(fullPath.c_str(), destination, always))
{
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
{
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return static_cast<unsigned long>(fs.st_size);
}
}
int SystemTools::Strucmp(const char *s1, const char *s2)
{
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// lifted from Graphvis http://www.graphviz.org
while ((*s1 != '\0')
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&& (tolower(*s1) == tolower(*s2)))
{
s1++;
s2++;
}
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return tolower(*s1) - tolower(*s2);
}
// return file's modified time
long int SystemTools::ModifiedTime(const char* filename)
{
struct stat fs;
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if (stat(filename, &fs) != 0)
{
return 0;
}
else
{
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return static_cast<long int>(fs.st_mtime);
}
}
// return file's creation time
long int SystemTools::CreationTime(const char* filename)
{
struct stat fs;
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if (stat(filename, &fs) != 0)
{
return 0;
}
else
{
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return fs.st_ctime >= 0 ? static_cast<long int>(fs.st_ctime) : 0;
}
}
bool SystemTools::ConvertDateMacroString(const char *str, time_t *tmt)
{
if (!str || !tmt || strlen(str) > 11)
{
return false;
}
struct tm tmt2;
// __DATE__
// The compilation date of the current source file. The date is a string
// literal of the form Mmm dd yyyy. The month name Mmm is the same as for
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// dates generated by the library function asctime declared in TIME.H.
// index: 012345678901
// format: Mmm dd yyyy
// example: Dec 19 2003
static char month_names[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
char buffer[12];
strcpy(buffer, str);
buffer[3] = 0;
char *ptr = strstr(month_names, buffer);
if (!ptr)
{
return false;
}
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int month = static_cast<int>((ptr - month_names) / 3);
int day = atoi(buffer + 4);
int year = atoi(buffer + 7);
tmt2.tm_isdst = -1;
tmt2.tm_hour = 0;
tmt2.tm_min = 0;
tmt2.tm_sec = 0;
tmt2.tm_wday = 0;
tmt2.tm_yday = 0;
tmt2.tm_mday = day;
tmt2.tm_mon = month;
tmt2.tm_year = year - 1900;
*tmt = mktime(&tmt2);
return true;
}
bool SystemTools::ConvertTimeStampMacroString(const char *str, time_t *tmt)
{
if (!str || !tmt || strlen(str) > 26)
{
return false;
}
struct tm tmt2;
// __TIMESTAMP__
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// The date and time of the last modification of the current source file,
// expressed as a string literal in the form Ddd Mmm Date hh:mm:ss yyyy,
/// where Ddd is the abbreviated day of the week and Date is an integer
// from 1 to 31.
// index: 0123456789
// 0123456789
// 0123456789
// format: Ddd Mmm Date hh:mm:ss yyyy
// example: Fri Dec 19 14:34:58 2003
static char month_names[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
char buffer[27];
strcpy(buffer, str);
buffer[7] = 0;
char *ptr = strstr(month_names, buffer + 4);
if (!ptr)
{
return false;
}
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int month = static_cast<int>((ptr - month_names) / 3);
int day = atoi(buffer + 8);
int hour = atoi(buffer + 11);
int min = atoi(buffer + 14);
int sec = atoi(buffer + 17);
int year = atoi(buffer + 20);
tmt2.tm_isdst = -1;
tmt2.tm_hour = hour;
tmt2.tm_min = min;
tmt2.tm_sec = sec;
tmt2.tm_wday = 0;
tmt2.tm_yday = 0;
tmt2.tm_mday = day;
tmt2.tm_mon = month;
tmt2.tm_year = year - 1900;
*tmt = mktime(&tmt2);
return true;
}
kwsys_stl::string SystemTools::GetLastSystemError()
{
int e = errno;
return strerror(e);
}
bool SystemTools::RemoveFile(const char* source)
{
#ifdef _WIN32
mode_t mode;
if ( !SystemTools::GetPermissions(source, mode) )
{
return false;
}
/* Win32 unlink is stupid --- it fails if the file is read-only */
SystemTools::SetPermissions(source, S_IWRITE);
#endif
bool res = unlink(source) != 0 ? false : true;
#ifdef _WIN32
if ( !res )
{
SystemTools::SetPermissions(source, mode);
}
#endif
return res;
}
bool SystemTools::RemoveADirectory(const char* source)
{
// Add write permission to the directory so we can modify its
// content to remove files and directories from it.
mode_t mode;
if(SystemTools::GetPermissions(source, mode))
{
#if defined(_WIN32) && !defined(__CYGWIN__)
mode |= S_IWRITE;
#else
mode |= S_IWUSR;
#endif
SystemTools::SetPermissions(source, mode);
}
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()) &&
!SystemTools::FileIsSymlink(fullPath.c_str()))
{
if (!SystemTools::RemoveADirectory(fullPath.c_str()))
{
return false;
}
}
else
{
if(!SystemTools::RemoveFile(fullPath.c_str()))
{
return false;
}
}
}
}
return (Rmdir(source) == 0);
}
/**
*/
size_t SystemTools::GetMaximumFilePathLength()
{
return KWSYS_SYSTEMTOOLS_MAXPATH;
}
/**
* 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
::FindName(const char* name,
const kwsys_stl::vector<kwsys_stl::string>& userPaths,
bool no_system_path)
{
// Add the system search path to our path first
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kwsys_stl::vector<kwsys_stl::string> path;
if (!no_system_path)
{
SystemTools::GetPath(path, "CMAKE_FILE_PATH");
SystemTools::GetPath(path);
}
// now add the additional paths
{
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator i = userPaths.begin();
i != userPaths.end(); ++i)
{
path.push_back(*i);
}
}
// Add a trailing slash to all paths to aid the search process.
{
for(kwsys_stl::vector<kwsys_stl::string>::iterator i = path.begin();
i != path.end(); ++i)
{
kwsys_stl::string& p = *i;
if(p.empty() || p[p.size()-1] != '/')
{
p += "/";
}
}
}
// 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 += name;
if(SystemTools::FileExists(tryPath.c_str()))
{
return tryPath;
}
}
// Couldn't find the file.
return "";
}
/**
* 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,
bool no_system_path)
{
kwsys_stl::string tryPath = SystemTools::FindName(name, userPaths, no_system_path);
if(tryPath != "" && !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
// Couldn't find the file.
return "";
}
/**
* Find the directory the given name. Searches the given path and then
* the system search path. Returns the full path to the directory if it is
* found. Otherwise, the empty string is returned.
*/
kwsys_stl::string SystemTools
::FindDirectory(const char* name,
const kwsys_stl::vector<kwsys_stl::string>& userPaths,
bool no_system_path)
{
kwsys_stl::string tryPath = SystemTools::FindName(name, userPaths, no_system_path);
if(tryPath != "" && 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* nameIn,
const kwsys_stl::vector<kwsys_stl::string>& userPaths,
bool no_system_path)
{
if(!nameIn || !*nameIn)
{
return "";
}
kwsys_stl::string name = nameIn;
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kwsys_stl::vector<kwsys_stl::string> extensions;
#if defined (_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
bool hasExtension = false;
// check to see if the name already has a .xxx at
// the end of it
if(name.size() > 3 && name[name.size()-4] == '.')
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{
hasExtension = true;
}
// on windows try .com then .exe
if(!hasExtension)
{
extensions.push_back(".com");
extensions.push_back(".exe");
}
#endif
kwsys_stl::string tryPath;
// first try with extensions if the os supports them
if(extensions.size())
{
for(kwsys_stl::vector<kwsys_stl::string>::iterator i =
extensions.begin(); i != extensions.end(); ++i)
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{
tryPath = name;
tryPath += *i;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
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{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
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}
}
// now try just the name
tryPath = name;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
// now construct the path
kwsys_stl::vector<kwsys_stl::string> path;
// Add the system search path to our path.
if (!no_system_path)
{
SystemTools::GetPath(path);
}
// now add the additional paths
{
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator i =
userPaths.begin(); i != userPaths.end(); ++i)
{
path.push_back(*i);
}
}
// Add a trailing slash to all paths to aid the search process.
{
for(kwsys_stl::vector<kwsys_stl::string>::iterator i = path.begin();
i != path.end(); ++i)
{
kwsys_stl::string& p = *i;
if(p.empty() || p[p.size()-1] != '/')
{
p += "/";
}
}
}
// Try each path
for(kwsys_stl::vector<kwsys_stl::string>::iterator p = path.begin();
p != path.end(); ++p)
{
#ifdef _WIN32
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// Remove double quotes from the path on windows
SystemTools::ReplaceString(*p, "\"", "");
#endif
// first try with extensions
if(extensions.size())
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{
for(kwsys_stl::vector<kwsys_stl::string>::iterator ext
= extensions.begin(); ext != extensions.end(); ++ext)
{
tryPath = *p;
tryPath += name;
tryPath += *ext;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
}
}
// now try it without them
tryPath = *p;
tryPath += name;
if(SystemTools::FileExists(tryPath.c_str()) &&
!SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
}
// Couldn't find the program.
return "";
}
kwsys_stl::string SystemTools::FindProgram(
const kwsys_stl::vector<kwsys_stl::string>& names,
const kwsys_stl::vector<kwsys_stl::string>& path,
bool noSystemPath)
{
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator it = names.begin();
it != names.end() ; ++it)
{
// Try to find the program.
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kwsys_stl::string result = SystemTools::FindProgram(it->c_str(),
path,
noSystemPath);
if ( !result.empty() )
{
return result;
}
}
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);
}
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// Add the system search path to our path.
kwsys_stl::vector<kwsys_stl::string> path;
SystemTools::GetPath(path);
// now add the additional paths
{
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator i = userPaths.begin();
i != userPaths.end(); ++i)
{
path.push_back(*i);
}
}
// Add a trailing slash to all paths to aid the search process.
{
for(kwsys_stl::vector<kwsys_stl::string>::iterator i = path.begin();
i != path.end(); ++i)
{
kwsys_stl::string& p = *i;
if(p.empty() || p[p.size()-1] != '/')
{
p += "/";
}
}
}
kwsys_stl::string tryPath;
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
p != path.end(); ++p)
{
#if defined(__APPLE__)
tryPath = *p;
tryPath += name;
tryPath += ".framework";
if(SystemTools::FileExists(tryPath.c_str())
&& SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
#endif
#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__MINGW32__)
tryPath = *p;
tryPath += name;
tryPath += ".lib";
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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";
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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";
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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";
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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";
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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";
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if(SystemTools::FileExists(tryPath.c_str())
&& !SystemTools::FileIsDirectory(tryPath.c_str()))
{
return SystemTools::CollapseFullPath(tryPath.c_str());
}
#endif
}
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// Couldn't find the library.
return "";
}
kwsys_stl::string SystemTools::GetRealPath(const char* path)
{
kwsys_stl::string ret;
Realpath(path, ret);
return ret;
}
bool SystemTools::FileIsDirectory(const char* name)
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{
// Remove any trailing slash from the name.
char buffer[KWSYS_SYSTEMTOOLS_MAXPATH];
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size_t last = strlen(name)-1;
if(last > 0 && (name[last] == '/' || name[last] == '\\')
&& strcmp(name, "/") !=0)
{
memcpy(buffer, name, last);
buffer[last] = 0;
name = buffer;
}
// Now check the file node type.
struct stat fs;
if(stat(name, &fs) == 0)
{
#if defined( _WIN32 ) && !defined(__CYGWIN__)
return ((fs.st_mode & _S_IFDIR) != 0);
#else
return S_ISDIR(fs.st_mode);
#endif
}
else
{
return false;
}
}
bool SystemTools::FileIsSymlink(const char* name)
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{
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#if defined( _WIN32 )
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(void)name;
return false;
#else
struct stat fs;
if(lstat(name, &fs) == 0)
{
return S_ISLNK(fs.st_mode);
}
else
{
return false;
}
#endif
}
#if defined(_WIN32) && !defined(__CYGWIN__)
bool SystemTools::CreateSymlink(const char*, const char*)
{
return false;
}
#else
bool SystemTools::CreateSymlink(const char* origName, const char* newName)
{
return symlink(origName, newName) >= 0;
}
#endif
#if defined(_WIN32) && !defined(__CYGWIN__)
bool SystemTools::ReadSymlink(const char*, kwsys_stl::string&)
{
return false;
}
#else
bool SystemTools::ReadSymlink(const char* newName,
kwsys_stl::string& origName)
{
char buf[KWSYS_SYSTEMTOOLS_MAXPATH+1];
int count =
static_cast<int>(readlink(newName, buf, KWSYS_SYSTEMTOOLS_MAXPATH));
if(count >= 0)
{
// Add null-terminator.
buf[count] = 0;
origName = buf;
return true;
}
else
{
return false;
}
}
#endif
int SystemTools::ChangeDirectory(const char *dir)
{
return Chdir(dir);
}
kwsys_stl::string SystemTools::GetCurrentWorkingDirectory(bool collapse)
{
char buf[2048];
const char* cwd = Getcwd(buf, 2048);
kwsys_stl::string path;
if ( cwd )
{
path = cwd;
}
if(collapse)
{
return SystemTools::CollapseFullPath(path.c_str());
}
return path;
}
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);
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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;
}
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bool SystemTools::FindProgramPath(const char* argv0,
kwsys_stl::string& pathOut,
kwsys_stl::string& errorMsg,
const char* exeName,
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const char* buildDir,
const char* installPrefix )
{
kwsys_stl::vector<kwsys_stl::string> failures;
kwsys_stl::string self = argv0 ? argv0 : "";
failures.push_back(self);
SystemTools::ConvertToUnixSlashes(self);
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 ";
if (exeName)
{
msg << exeName;
}
msg << "\n";
if (argv0)
{
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 '..'
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// Ken--the following code is incorrect. .. can be in a valid path
// for example /home/martink/MyHubba...Hubba/Src
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if( SystemTools::FileIsFullPath(path_b.c_str()) && path_b.find("..")
== kwsys_stl::string::npos )
{
// Before inserting make sure path ends with '/'
if(path_a.size() && path_a[path_a.size() -1] != '/')
{
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path_a += '/';
}
if(path_b.size() && path_b[path_b.size() -1] != '/')
{
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;
Realpath(SystemTools::CollapseFullPath(dir).c_str(), cdir);
SystemTools::AddTranslationPath(cdir.c_str(), dir);
}
void SystemTools::CheckTranslationPath(kwsys_stl::string & path)
{
// Do not translate paths that are too short to have meaningful
// translations.
if(path.size() < 2)
{
return;
}
// Always add a trailing slash before translation. It does not
// matter if this adds an extra slash, but we do not want to
// translate part of a directory (like the foo part of foo-dir).
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
if(path.find( it->first ) == 0)
{
path = path.replace( 0, it->first.size(), it->second);
}
}
// Remove the trailing slash we added before.
path.erase(path.end()-1, path.end());
}
void
SystemToolsAppendComponents(
kwsys_stl::vector<kwsys_stl::string>& out_components,
kwsys_stl::vector<kwsys_stl::string>::const_iterator first,
kwsys_stl::vector<kwsys_stl::string>::const_iterator last)
{
for(kwsys_stl::vector<kwsys_stl::string>::const_iterator i = first;
i != last; ++i)
{
if(*i == "..")
{
if(out_components.begin() != out_components.end())
{
out_components.erase(out_components.end()-1, out_components.end());
}
}
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else if(!(*i == ".") && !(*i == ""))
{
out_components.push_back(*i);
}
}
}
kwsys_stl::string SystemTools::CollapseFullPath(const char* in_path,
const char* in_base)
{
// Collect the output path components.
kwsys_stl::vector<kwsys_stl::string> out_components;
// Split the input path components.
kwsys_stl::vector<kwsys_stl::string> path_components;
SystemTools::SplitPath(in_path, path_components);
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// If the input path is relative, start with a base path.
if(path_components[0].length() == 0)
{
kwsys_stl::vector<kwsys_stl::string> base_components;
if(in_base)
{
// Use the given base path.
SystemTools::SplitPath(in_base, base_components);
}
else
{
// Use the current working directory as a base path.
char buf[2048];
if(const char* cwd = Getcwd(buf, 2048))
{
SystemTools::SplitPath(cwd, base_components);
}
else
{
// ??
}
}
// Append base path components to the output path.
out_components.push_back(base_components[0]);
SystemToolsAppendComponents(out_components,
base_components.begin()+1,
base_components.end());
}
// Append input path components to the output path.
SystemToolsAppendComponents(out_components,
path_components.begin(),
path_components.end());
// Transform the path back to a string.
kwsys_stl::string newPath = SystemTools::JoinPath(out_components);
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// Update the translation table with this potentially new path. I am not
// sure why this line is here, it seems really questionable, but yet I
// would put good money that if I remove it something will break, basically
// from what I can see it created a mapping from the collapsed path, to be
// replaced by the input path, which almost completely does the opposite of
// this function, the only thing preventing this from happening a lot is
// that if the in_path has a .. in it, then it is not added to the
// translation table. So for most calls this either does nothing due to the
// .. or it adds a translation between identical paths as nothing was
// collapsed, so I am going to try to comment it out, and see what hits the
// fan, hopefully quickly.
// Commented out line below:
//SystemTools::AddTranslationPath(newPath.c_str(), in_path);
SystemTools::CheckTranslationPath(newPath);
#ifdef _WIN32
newPath = SystemTools::GetActualCaseForPath(newPath.c_str());
SystemTools::ConvertToUnixSlashes(newPath);
#endif
// Return the reconstructed path.
return newPath;
}
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// compute the relative path from here to there
kwsys_stl::string SystemTools::RelativePath(const char* local, const char* remote)
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{
if(!SystemTools::FileIsFullPath(local))
{
return "";
}
if(!SystemTools::FileIsFullPath(remote))
{
return "";
}
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// split up both paths into arrays of strings using / as a separator
kwsys_stl::vector<kwsys::String> localSplit = SystemTools::SplitString(local, '/', true);
kwsys_stl::vector<kwsys::String> remoteSplit = SystemTools::SplitString(remote, '/', true);
kwsys_stl::vector<kwsys::String> commonPath; // store shared parts of path in this array
kwsys_stl::vector<kwsys::String> finalPath; // store the final relative path here
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// count up how many matching directory names there are from the start
unsigned int sameCount = 0;
while(
((sameCount <= (localSplit.size()-1)) && (sameCount <= (remoteSplit.size()-1)))
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&&
// for windows and apple do a case insensitive string compare
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#if defined(_WIN32) || defined(__APPLE__)
SystemTools::Strucmp(localSplit[sameCount].c_str(),
remoteSplit[sameCount].c_str()) == 0
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#else
localSplit[sameCount] == remoteSplit[sameCount]
#endif
)
{
// put the common parts of the path into the commonPath array
commonPath.push_back(localSplit[sameCount]);
// erase the common parts of the path from the original path arrays
localSplit[sameCount] = "";
remoteSplit[sameCount] = "";
sameCount++;
}
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// If there is nothing in common at all then just return the full
// path. This is the case only on windows when the paths have
// different drive letters. On unix two full paths always at least
// have the root "/" in common so we will return a relative path
// that passes through the root directory.
if(sameCount == 0)
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{
return remote;
}
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// for each entry that is not common in the local path
// add a ../ to the finalpath array, this gets us out of the local
// path into the remote dir
for(unsigned int i = 0; i < localSplit.size(); ++i)
{
if(localSplit[i].size())
{
finalPath.push_back("../");
}
}
// for each entry that is not common in the remote path add it
// to the final path.
for(kwsys_stl::vector<String>::iterator vit = remoteSplit.begin();
vit != remoteSplit.end(); ++vit)
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{
if(vit->size())
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{
finalPath.push_back(*vit);
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}
}
kwsys_stl::string relativePath; // result string
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// now turn the array of directories into a unix path by puttint /
// between each entry that does not already have one
for(kwsys_stl::vector<String>::iterator vit1 = finalPath.begin();
vit1 != finalPath.end(); ++vit1)
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{
if(relativePath.size() && relativePath[relativePath.size()-1] != '/')
{
relativePath += "/";
}
relativePath += *vit1;
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}
return relativePath;
}
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#ifdef _WIN32
static int GetCasePathName(const kwsys_stl::string & pathIn,
kwsys_stl::string & casePath)
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{
kwsys_stl::vector<kwsys_stl::string> path_components;
SystemTools::SplitPath(pathIn.c_str(), path_components);
if(path_components[0].empty()) // First component always exists.
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{
// Relative paths cannot be converted.
casePath = "";
return 0;
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}
// Start with root component.
kwsys_stl::vector<kwsys_stl::string>::size_type idx = 0;
casePath = path_components[idx++];
const char* sep = "";
// If network path, fill casePath with server/share so FindFirstFile
// will work after that. Maybe someday call other APIs to get
// actual case of servers and shares.
if(path_components.size() > 2 && path_components[0] == "//")
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{
casePath += path_components[idx++];
casePath += "/";
casePath += path_components[idx++];
sep = "/";
}
for(; idx < path_components.size(); idx++)
{
casePath += sep;
sep = "/";
kwsys_stl::string test_str = casePath;
test_str += path_components[idx];
WIN32_FIND_DATA findData;
HANDLE hFind = ::FindFirstFile(test_str.c_str(), &findData);
if (INVALID_HANDLE_VALUE != hFind)
{
casePath += findData.cFileName;
::FindClose(hFind);
}
else
{
casePath = "";
return 0;
}
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}
return (int)casePath.size();
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}
#endif
//----------------------------------------------------------------------------
kwsys_stl::string SystemTools::GetActualCaseForPath(const char* p)
{
#ifndef _WIN32
return p;
#else
kwsys_stl::string casePath = p;
// make sure drive letter is always upper case
if(casePath.size() > 1 && casePath[1] == ':')
{
casePath[0] = toupper(casePath[0]);
}
// Check to see if actual case has already been called
// for this path, and the result is stored in the LongPathMap
SystemToolsTranslationMap::iterator i =
SystemTools::LongPathMap->find(casePath);
if(i != SystemTools::LongPathMap->end())
{
return i->second;
}
int len = GetCasePathName(p, casePath);
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if(len == 0 || len > MAX_PATH+1)
{
return p;
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}
(*SystemTools::LongPathMap)[p] = casePath;
return casePath;
#endif
}
//----------------------------------------------------------------------------
const char* SystemTools::SplitPathRootComponent(const char* p,
kwsys_stl::string* root)
{
// Identify the root component.
const char* c = p;
if((c[0] == '/' && c[1] == '/') || (c[0] == '\\' && c[1] == '\\'))
{
// Network path.
if(root)
{
*root = "//";
}
c += 2;
}
else if(c[0] == '/' || c[0] == '\\')
{
// Unix path (or Windows path w/out drive letter).
if(root)
{
*root = "/";
}
c += 1;
}
else if(c[0] && c[1] == ':' && (c[2] == '/' || c[2] == '\\'))
{
// Windows path.
if(root)
{
(*root) = "_:/";
(*root)[0] = c[0];
}
c += 3;
}
else if(c[0] && c[1] == ':')
{
// Path relative to a windows drive working directory.
if(root)
{
(*root) = "_:";
(*root)[0] = c[0];
}
c += 2;
}
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else if(c[0] == '~')
{
// Home directory. The returned root should always have a
// trailing slash so that appending components as
// c[0]c[1]/c[2]/... works. The remaining path returned should
// skip the first slash if it exists:
//
// "~" : root = "~/" , return ""
// "~/ : root = "~/" , return ""
// "~/x : root = "~/" , return "x"
// "~u" : root = "~u/", return ""
// "~u/" : root = "~u/", return ""
// "~u/x" : root = "~u/", return "x"
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size_t n = 1;
while(c[n] && c[n] != '/')
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{
++n;
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}
if(root)
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{
root->assign(c, n);
*root += '/';
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}
if(c[n] == '/')
{
++n;
}
c += n;
}
else
{
// Relative path.
if(root)
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{
*root = "";
}
}
// Return the remaining path.
return c;
}
//----------------------------------------------------------------------------
void SystemTools::SplitPath(const char* p,
kwsys_stl::vector<kwsys_stl::string>& components,
bool expand_home_dir)
{
const char* c = p;
components.clear();
// Identify the root component.
{
kwsys_stl::string root;
c = SystemTools::SplitPathRootComponent(c, &root);
// Expand home directory references if requested.
if(expand_home_dir && !root.empty() && root[0] == '~')
{
kwsys_stl::string homedir;
root = root.substr(0, root.size()-1);
if(root.size() == 1)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
if(const char* userp = getenv("USERPROFILE"))
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{
homedir = userp;
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}
else
#endif
if(const char* h = getenv("HOME"))
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{
homedir = h;
}
}
#ifdef HAVE_GETPWNAM
else if(passwd* pw = getpwnam(root.c_str()+1))
{
if(pw->pw_dir)
{
homedir = pw->pw_dir;
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}
}
#endif
if(!homedir.empty() && (homedir[homedir.size()-1] == '/' ||
homedir[homedir.size()-1] == '\\'))
{
homedir = homedir.substr(0, homedir.size()-1);
}
SystemTools::SplitPath(homedir.c_str(), components);
}
else
{
components.push_back(root);
}
}
// Parse the remaining components.
const char* first = c;
const char* last = first;
for(;*last; ++last)
{
if(*last == '/' || *last == '\\')
{
// End of a component. Save it.
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components.push_back(
kwsys_stl::string(first,static_cast<kwsys_stl::string::size_type>(
last-first)));
first = last+1;
}
}
// Save the last component unless there were no components.
if(last != c)
{
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components.push_back(
kwsys_stl::string(first,static_cast<kwsys_stl::string::size_type>(
last-first)));
}
}
//----------------------------------------------------------------------------
kwsys_stl::string
SystemTools::JoinPath(const kwsys_stl::vector<kwsys_stl::string>& components)
{
return SystemTools::JoinPath(components.begin(), components.end());
}
//----------------------------------------------------------------------------
kwsys_stl::string
SystemTools
::JoinPath(kwsys_stl::vector<kwsys_stl::string>::const_iterator first,
kwsys_stl::vector<kwsys_stl::string>::const_iterator last)
{
// Construct result in a single string.
kwsys_stl::string result;
// The first two components do not add a slash.
if(first != last)
{
result.append(*first++);
}
if(first != last)
{
result.append(*first++);
}
// All remaining components are always separated with a slash.
while(first != last)
{
result.append("/");
result.append((*first++));
}
// Return the concatenated result.
return result;
}
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//----------------------------------------------------------------------------
bool SystemTools::ComparePath(const char* c1, const char* c2)
{
#if defined(_WIN32) || defined(__APPLE__)
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# ifdef _MSC_VER
return _stricmp(c1, c2) == 0;
# elif defined(__APPLE__) || defined(__GNUC__)
return strcasecmp(c1, c2) == 0;
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#else
return SystemTools::Strucmp(c1, c2) == 0;
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# endif
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#else
return strcmp(c1, c2) == 0;
#endif
}
//----------------------------------------------------------------------------
bool SystemTools::Split(const char* str, kwsys_stl::vector<kwsys_stl::string>& lines, char separator)
{
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(separator, lpos);
if(rpos == kwsys_stl::string::npos)
{
// Line ends at end of string without a newline.
lines.push_back(data.substr(lpos));
return false;
}
else
{
// Line ends in a "\n", remove the character.
lines.push_back(data.substr(lpos, rpos-lpos));
}
lpos = rpos+1;
}
return true;
}
//----------------------------------------------------------------------------
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)
{
kwsys_stl::string ret = fn.substr(0, slash_pos);
if(ret.size() == 2 && ret[1] == ':')
{
return ret + '/';
}
if(ret.size() == 0)
{
return "/";
}
return ret;
}
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)
{
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#if defined(_WIN32)
kwsys_stl::string::size_type slash_pos = filename.find_last_of("/\\");
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#else
kwsys_stl::string::size_type slash_pos = filename.find_last_of("/");
#endif
if(slash_pos != kwsys_stl::string::npos)
{
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return filename.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 "";
}
}
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/**
* Return file extension of a full filename (dot included).
* Warning: this is the shortest extension (for example: .gz of .tar.gz)
2003-06-23 16:56:22 +04:00
*/
kwsys_stl::string SystemTools::GetFilenameLastExtension(const kwsys_stl::string& filename)
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{
kwsys_stl::string name = SystemTools::GetFilenameName(filename);
kwsys_stl::string::size_type dot_pos = name.rfind(".");
if(dot_pos != kwsys_stl::string::npos)
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{
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::FileHasSignature(const char *filename,
const char *signature,
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long offset)
{
if (!filename || !signature)
{
return false;
}
FILE *fp;
fp = fopen(filename, "rb");
if (!fp)
{
return false;
}
fseek(fp, offset, SEEK_SET);
bool res = false;
size_t signature_len = strlen(signature);
char *buffer = new char [signature_len];
if (fread(buffer, 1, signature_len, fp) == signature_len)
{
res = (!strncmp(buffer, signature, signature_len) ? true : false);
}
delete [] buffer;
fclose(fp);
return res;
}
SystemTools::FileTypeEnum
SystemTools::DetectFileType(const char *filename,
unsigned long length,
double percent_bin)
{
if (!filename || percent_bin < 0)
{
return SystemTools::FileTypeUnknown;
}
FILE *fp;
fp = fopen(filename, "rb");
if (!fp)
{
return SystemTools::FileTypeUnknown;
}
// Allocate buffer and read bytes
unsigned char *buffer = new unsigned char [length];
size_t read_length = fread(buffer, 1, length, fp);
fclose(fp);
if (read_length == 0)
{
return SystemTools::FileTypeUnknown;
}
// Loop over contents and count
size_t text_count = 0;
const unsigned char *ptr = buffer;
const unsigned char *buffer_end = buffer + read_length;
while (ptr != buffer_end)
{
if ((*ptr >= 0x20 && *ptr <= 0x7F) ||
*ptr == '\n' ||
*ptr == '\r' ||
*ptr == '\t')
{
text_count++;
}
ptr++;
}
delete [] buffer;
double current_percent_bin =
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(static_cast<double>(read_length - text_count) /
static_cast<double>(read_length));
if (current_percent_bin >= percent_bin)
{
return SystemTools::FileTypeBinary;
}
return SystemTools::FileTypeText;
}
bool SystemTools::LocateFileInDir(const char *filename,
const char *dir,
kwsys_stl::string& filename_found,
int try_filename_dirs)
{
if (!filename || !dir)
{
return false;
}
// Get the basename of 'filename'
kwsys_stl::string filename_base = SystemTools::GetFilenameName(filename);
// Check if 'dir' is really a directory
// If win32 and matches something like C:, accept it as a dir
kwsys_stl::string real_dir;
if (!SystemTools::FileIsDirectory(dir))
{
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#if defined( _WIN32 )
size_t dir_len = strlen(dir);
if (dir_len < 2 || dir[dir_len - 1] != ':')
{
#endif
real_dir = SystemTools::GetFilenamePath(dir);
dir = real_dir.c_str();
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#if defined( _WIN32 )
}
#endif
}
// Try to find the file in 'dir'
bool res = false;
if (filename_base.size() && dir)
{
size_t dir_len = strlen(dir);
int need_slash =
(dir_len && dir[dir_len - 1] != '/' && dir[dir_len - 1] != '\\');
kwsys_stl::string temp = dir;
if (need_slash)
{
temp += "/";
}
temp += filename_base;
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if (SystemTools::FileExists(temp.c_str()))
{
res = true;
filename_found = temp;
}
// If not found, we can try harder by appending part of the file to
// to the directory to look inside.
// Example: if we were looking for /foo/bar/yo.txt in /d1/d2, then
// try to find yo.txt in /d1/d2/bar, then /d1/d2/foo/bar, etc.
else if (try_filename_dirs)
{
kwsys_stl::string filename_dir(filename);
kwsys_stl::string filename_dir_base;
kwsys_stl::string filename_dir_bases;
do
{
filename_dir = SystemTools::GetFilenamePath(filename_dir);
filename_dir_base = SystemTools::GetFilenameName(filename_dir);
#if defined( _WIN32 )
if (!filename_dir_base.size() ||
filename_dir_base[filename_dir_base.size() - 1] == ':')
#else
if (!filename_dir_base.size())
#endif
{
break;
}
filename_dir_bases = filename_dir_base + "/" + filename_dir_bases;
temp = dir;
if (need_slash)
{
temp += "/";
}
temp += filename_dir_bases;
res = SystemTools::LocateFileInDir(
filename_base.c_str(), temp.c_str(), filename_found, 0);
} while (!res && filename_dir_base.size());
}
}
return res;
}
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;
}
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#endif
#if !defined(_WIN32)
if(name[0] == '~')
{
return true;
}
#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 kwsys_stl::string(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;
}
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// Due to a buggy stream library on the HP and another on Mac OS X, 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 */,
long sizeLimit /* = -1 */)
{
const int bufferSize = 1024;
char buffer[bufferSize];
bool haveData = false;
bool haveNewline = false;
// Start with an empty line.
line = "";
long leftToRead = sizeLimit;
// Early short circuit return if stream is no good. Just return
// false and the empty line. (Probably means caller tried to
// create a file stream with a non-existent file name...)
//
if(!is)
{
if(has_newline)
{
*has_newline = false;
}
return false;
}
// If no characters are read from the stream, the end of file has
// been reached. Clear the fail bit just before reading.
while(!haveNewline &&
leftToRead != 0 &&
(is.clear(is.rdstate() & ~kwsys_ios::ios::failbit),
is.getline(buffer, bufferSize), is.gcount() > 0))
{
// We have read at least one byte.
haveData = true;
// If newline character was read the gcount includes the character
// but the buffer does not: the end of line has been reached.
size_t length = strlen(buffer);
if(length < static_cast<size_t>(is.gcount()))
{
haveNewline = true;
}
// Avoid storing a carriage return character.
if(length > 0 && buffer[length-1] == '\r')
{
buffer[length-1] = 0;
}
// if we read too much then truncate the buffer
if (leftToRead > 0)
{
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if (static_cast<long>(length) > leftToRead)
{
buffer[leftToRead-1] = 0;
leftToRead = 0;
}
else
{
2007-03-02 18:48:58 +03:00
leftToRead -= static_cast<long>(length);
}
}
// Append the data read to the line.
line.append(buffer);
}
// Return the results.
if(has_newline)
{
*has_newline = haveNewline;
}
return haveData;
}
int SystemTools::GetTerminalWidth()
{
int width = -1;
#ifdef HAVE_TTY_INFO
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))
{
2006-07-13 17:27:10 +04:00
width = static_cast<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)
{
return SystemTools::GetFilenamePath(fileOrDir);
}
bool SystemTools::IsSubDirectory(const char* cSubdir, const char* cDir)
{
if(!*cDir)
{
return false;
}
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(SystemTools::ComparePath(dir.c_str(), path.c_str()))
{
return true;
}
}
while ( path.size() > dir.size() );
return false;
}
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void SystemTools::Delay(unsigned int msec)
{
#ifdef _WIN32
Sleep(msec);
#else
// The sleep function gives 1 second resolution and the usleep
// function gives 1e-6 second resolution but on some platforms has a
// maximum sleep time of 1 second. This could be re-implemented to
// use select with masked signals or pselect to mask signals
// atomically. If select is given empty sets and zero as the max
// file descriptor but a non-zero timeout it can be used to block
// for a precise amount of time.
if(msec >= 1000)
{
sleep(msec / 1000);
usleep((msec % 1000) * 1000);
}
else
{
usleep(msec * 1000);
}
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#endif
}
void SystemTools::ConvertWindowsCommandLineToUnixArguments(
const char *cmd_line, int *argc, char ***argv)
{
if (!cmd_line || !argc || !argv)
{
return;
}
// A space delimites an argument except when it is inside a quote
(*argc) = 1;
size_t cmd_line_len = strlen(cmd_line);
size_t i;
for (i = 0; i < cmd_line_len; i++)
{
while (isspace(cmd_line[i]) && i < cmd_line_len)
{
i++;
}
if (i < cmd_line_len)
{
if (cmd_line[i] == '\"')
{
i++;
while (cmd_line[i] != '\"' && i < cmd_line_len)
{
i++;
}
(*argc)++;
}
else
{
while (!isspace(cmd_line[i]) && i < cmd_line_len)
{
i++;
}
(*argc)++;
}
}
}
(*argv) = new char* [(*argc) + 1];
(*argv)[(*argc)] = NULL;
// Set the first arg to be the exec name
(*argv)[0] = new char [1024];
#ifdef _WIN32
::GetModuleFileName(0, (*argv)[0], 1024);
#else
(*argv)[0][0] = '\0';
#endif
// Allocate the others
int j;
for (j = 1; j < (*argc); j++)
{
(*argv)[j] = new char [cmd_line_len + 10];
}
// Grab the args
2005-05-28 16:44:44 +04:00
size_t pos;
int argc_idx = 1;
for (i = 0; i < cmd_line_len; i++)
{
while (isspace(cmd_line[i]) && i < cmd_line_len)
{
i++;
}
if (i < cmd_line_len)
{
if (cmd_line[i] == '\"')
{
i++;
pos = i;
while (cmd_line[i] != '\"' && i < cmd_line_len)
{
i++;
}
memcpy((*argv)[argc_idx], &cmd_line[pos], i - pos);
(*argv)[argc_idx][i - pos] = '\0';
argc_idx++;
}
else
{
pos = i;
while (!isspace(cmd_line[i]) && i < cmd_line_len)
{
i++;
}
memcpy((*argv)[argc_idx], &cmd_line[pos], i - pos);
(*argv)[argc_idx][i - pos] = '\0';
argc_idx++;
}
}
}
}
kwsys_stl::string SystemTools::GetOperatingSystemNameAndVersion()
{
kwsys_stl::string res;
#ifdef _WIN32
char buffer[256];
OSVERSIONINFOEX osvi;
BOOL bOsVersionInfoEx;
// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
// If that fails, try using the OSVERSIONINFO structure.
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
bOsVersionInfoEx = GetVersionEx((OSVERSIONINFO *)&osvi);
if (!bOsVersionInfoEx)
{
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!GetVersionEx((OSVERSIONINFO *)&osvi))
{
return 0;
}
}
switch (osvi.dwPlatformId)
{
// Test for the Windows NT product family.
case VER_PLATFORM_WIN32_NT:
// Test for the specific product family.
2008-10-16 07:24:33 +04:00
if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)
{
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#if (_MSC_VER >= 1300)
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if (osvi.wProductType == VER_NT_WORKSTATION)
{
res += "Microsoft Windows Vista";
}
else
{
res += "Microsoft Windows Server 2008 family";
}
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#else
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res += "Microsoft Windows Vista or Windows Server 2008";
2008-10-16 19:34:16 +04:00
#endif
2008-10-16 07:24:33 +04:00
}
if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
{
res += "Microsoft Windows Server 2003 family";
}
if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
{
res += "Microsoft Windows XP";
}
if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
{
res += "Microsoft Windows 2000";
}
if (osvi.dwMajorVersion <= 4)
{
res += "Microsoft Windows NT";
}
// Test for specific product on Windows NT 4.0 SP6 and later.
if (bOsVersionInfoEx)
{
// Test for the workstation type.
#if (_MSC_VER >= 1300)
if (osvi.wProductType == VER_NT_WORKSTATION)
{
if (osvi.dwMajorVersion == 4)
{
res += " Workstation 4.0";
}
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else if (osvi.dwMajorVersion == 5)
{
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if (osvi.wSuiteMask & VER_SUITE_PERSONAL)
{
res += " Home Edition";
}
else
{
res += " Professional";
}
}
}
// Test for the server type.
else if (osvi.wProductType == VER_NT_SERVER)
{
if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
{
if (osvi.wSuiteMask & VER_SUITE_DATACENTER)
{
res += " Datacenter Edition";
}
else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
{
res += " Enterprise Edition";
}
else if (osvi.wSuiteMask == VER_SUITE_BLADE)
{
res += " Web Edition";
}
else
{
res += " Standard Edition";
}
}
else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
{
if (osvi.wSuiteMask & VER_SUITE_DATACENTER)
{
res += " Datacenter Server";
}
else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
{
res += " Advanced Server";
}
else
{
res += " Server";
}
}
2008-10-16 07:24:33 +04:00
else if (osvi.dwMajorVersion <= 4) // Windows NT 4.0
{
if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE)
{
res += " Server 4.0, Enterprise Edition";
}
else
{
res += " Server 4.0";
}
}
}
#endif // Visual Studio 7 and up
}
// Test for specific product on Windows NT 4.0 SP5 and earlier
else
{
HKEY hKey;
#define BUFSIZE 80
char szProductType[BUFSIZE];
DWORD dwBufLen=BUFSIZE;
LONG lRet;
lRet = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
"SYSTEM\\CurrentControlSet\\Control\\ProductOptions",
0, KEY_QUERY_VALUE, &hKey);
if (lRet != ERROR_SUCCESS)
{
return 0;
}
lRet = RegQueryValueEx(hKey, "ProductType", NULL, NULL,
(LPBYTE) szProductType, &dwBufLen);
if ((lRet != ERROR_SUCCESS) || (dwBufLen > BUFSIZE))
{
return 0;
}
RegCloseKey(hKey);
if (lstrcmpi("WINNT", szProductType) == 0)
{
res += " Workstation";
}
if (lstrcmpi("LANMANNT", szProductType) == 0)
{
res += " Server";
}
if (lstrcmpi("SERVERNT", szProductType) == 0)
{
res += " Advanced Server";
}
res += " ";
sprintf(buffer, "%ld", osvi.dwMajorVersion);
res += buffer;
res += ".";
sprintf(buffer, "%ld", osvi.dwMinorVersion);
res += buffer;
}
// Display service pack (if any) and build number.
if (osvi.dwMajorVersion == 4 &&
lstrcmpi(osvi.szCSDVersion, "Service Pack 6") == 0)
{
HKEY hKey;
LONG lRet;
// Test for SP6 versus SP6a.
lRet = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix\\Q246009",
0, KEY_QUERY_VALUE, &hKey);
if (lRet == ERROR_SUCCESS)
{
res += " Service Pack 6a (Build ";
sprintf(buffer, "%ld", osvi.dwBuildNumber & 0xFFFF);
res += buffer;
res += ")";
}
else // Windows NT 4.0 prior to SP6a
{
res += " ";
res += osvi.szCSDVersion;
res += " (Build ";
sprintf(buffer, "%ld", osvi.dwBuildNumber & 0xFFFF);
res += buffer;
res += ")";
}
RegCloseKey(hKey);
}
else // Windows NT 3.51 and earlier or Windows 2000 and later
{
res += " ";
res += osvi.szCSDVersion;
res += " (Build ";
sprintf(buffer, "%ld", osvi.dwBuildNumber & 0xFFFF);
res += buffer;
res += ")";
}
break;
// Test for the Windows 95 product family.
case VER_PLATFORM_WIN32_WINDOWS:
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
{
res += "Microsoft Windows 95";
if (osvi.szCSDVersion[1] == 'C' || osvi.szCSDVersion[1] == 'B')
{
res += " OSR2";
}
}
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
{
res += "Microsoft Windows 98";
if (osvi.szCSDVersion[1] == 'A')
{
res += " SE";
}
}
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
{
res += "Microsoft Windows Millennium Edition";
}
break;
case VER_PLATFORM_WIN32s:
res += "Microsoft Win32s";
break;
}
#endif
return res;
}
// ----------------------------------------------------------------------
bool SystemTools::ParseURLProtocol( const kwsys_stl::string& URL,
kwsys_stl::string& protocol,
kwsys_stl::string& dataglom )
{
// match 0 entire url
// match 1 protocol
// match 2 dataglom following protocol://
kwsys::RegularExpression urlRe( VTK_URL_PROTOCOL_REGEX );
if ( ! urlRe.find( URL ) ) return false;
protocol = urlRe.match( 1 );
dataglom = urlRe.match( 2 );
return true;
}
// ----------------------------------------------------------------------
bool SystemTools::ParseURL( const kwsys_stl::string& URL,
kwsys_stl::string& protocol,
kwsys_stl::string& username,
kwsys_stl::string& password,
kwsys_stl::string& hostname,
kwsys_stl::string& dataport,
kwsys_stl::string& database )
{
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kwsys::RegularExpression urlRe( VTK_URL_REGEX );
if ( ! urlRe.find( URL ) ) return false;
// match 0 URL
// match 1 protocol
// match 2 mangled user
// match 3 username
// match 4 mangled password
// match 5 password
// match 6 hostname
// match 7 mangled port
// match 8 dataport
// match 9 database name
protocol = urlRe.match( 1 );
username = urlRe.match( 3 );
password = urlRe.match( 5 );
hostname = urlRe.match( 6 );
dataport = urlRe.match( 8 );
database = urlRe.match( 9 );
return true;
}
// ----------------------------------------------------------------------
// These must NOT be initialized. Default initialization to zero is
// necessary.
unsigned int SystemToolsManagerCount;
SystemToolsTranslationMap *SystemTools::TranslationMap;
SystemToolsTranslationMap *SystemTools::LongPathMap;
#ifdef __CYGWIN__
SystemToolsTranslationMap *SystemTools::Cyg2Win32Map;
#endif
// 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();
}
}
#if defined(__VMS)
// On VMS we configure the run time C library to be more UNIX like.
// http://h71000.www7.hp.com/doc/732final/5763/5763pro_004.html
extern "C" int decc$feature_get_index(char *name);
extern "C" int decc$feature_set_value(int index, int mode, int value);
static int SetVMSFeature(char* name, int value)
{
int i;
errno = 0;
i = decc$feature_get_index(name);
return i >= 0 && (decc$feature_set_value(i, 1, value) >= 0 || errno == 0);
}
#endif
void SystemTools::ClassInitialize()
{
#ifdef __VMS
SetVMSFeature("DECC$FILENAME_UNIX_ONLY", 1);
#endif
// Allocate the translation map first.
SystemTools::TranslationMap = new SystemToolsTranslationMap;
SystemTools::LongPathMap = new SystemToolsTranslationMap;
#ifdef __CYGWIN__
SystemTools::Cyg2Win32Map = new SystemToolsTranslationMap;
#endif
// 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__)
// 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))
{
// The current working directory may be a logical path. Find
// the shortest logical path that still produces the correct
// physical path.
kwsys_stl::string cwd_changed;
kwsys_stl::string pwd_changed;
// Test progressively shorter logical-to-physical mappings.
kwsys_stl::string pwd_str = pwd;
kwsys_stl::string cwd_str = cwd;
kwsys_stl::string pwd_path;
Realpath(pwd, pwd_path);
while(cwd_str == pwd_path && cwd_str != pwd_str)
{
// The current pair of paths is a working logical mapping.
cwd_changed = cwd_str;
pwd_changed = pwd_str;
// Strip off one directory level and see if the logical
// mapping still works.
pwd_str = SystemTools::GetFilenamePath(pwd_str.c_str());
cwd_str = SystemTools::GetFilenamePath(cwd_str.c_str());
Realpath(pwd_str.c_str(), pwd_path);
}
// 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;
delete SystemTools::LongPathMap;
#ifdef __CYGWIN__
delete SystemTools::Cyg2Win32Map;
#endif
}
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} // namespace KWSYS_NAMESPACE
#if defined(_MSC_VER) && defined(_DEBUG)
# include <crtdbg.h>
# include <stdio.h>
# include <stdlib.h>
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namespace KWSYS_NAMESPACE
{
static int SystemToolsDebugReport(int, char* message, int*)
{
fprintf(stderr, "%s", message);
fflush(stderr);
return 1; // no further reporting required
}
void SystemTools::EnableMSVCDebugHook()
{
if (getenv("DART_TEST_FROM_DART"))
{
_CrtSetReportHook(SystemToolsDebugReport);
}
}
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} // namespace KWSYS_NAMESPACE
#else
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namespace KWSYS_NAMESPACE
{
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void SystemTools::EnableMSVCDebugHook() {}
} // namespace KWSYS_NAMESPACE
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#endif