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CMake/Source/cmSystemTools.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmSystemTools.h"
#include <ctype.h>
#include <errno.h>
#include <time.h>
#include <cmsys/RegularExpression.hxx>
#include <cmsys/Directory.hxx>
#include <cmsys/Process.h>
// support for realpath call
#ifndef _WIN32
#include <limits.h>
#include <stdlib.h>
#include <sys/param.h>
#include <sys/wait.h>
#endif
#if defined(_WIN32) && (defined(_MSC_VER) || defined(__BORLANDC__))
#include <string.h>
#include <windows.h>
#include <direct.h>
#include <io.h>
#define _unlink unlink
#else
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#endif
#include <sys/stat.h>
bool cmSystemTools::s_RunCommandHideConsole = false;
bool cmSystemTools::s_DisableRunCommandOutput = false;
bool cmSystemTools::s_ErrorOccured = false;
bool cmSystemTools::s_FatalErrorOccured = false;
bool cmSystemTools::s_DisableMessages = false;
bool cmSystemTools::s_ForceUnixPaths = false;
std::string cmSystemTools::s_Windows9xComspecSubstitute = "command.com";
void cmSystemTools::SetWindows9xComspecSubstitute(const char* str)
{
if ( str )
{
cmSystemTools::s_Windows9xComspecSubstitute = str;
}
}
const char* cmSystemTools::GetWindows9xComspecSubstitute()
{
return cmSystemTools::s_Windows9xComspecSubstitute.c_str();
}
void (*cmSystemTools::s_ErrorCallback)(const char*, const char*, bool&, void*);
void (*cmSystemTools::s_StdoutCallback)(const char*, int len, void*);
void* cmSystemTools::s_ErrorCallbackClientData = 0;
void* cmSystemTools::s_StdoutCallbackClientData = 0;
// replace replace with with as many times as it shows up in source.
// write the result into source.
#if defined(_WIN32) && !defined(__CYGWIN__)
void cmSystemTools::ExpandRegistryValues(std::string& source)
{
// Regular expression to match anything inside [...] that begins in HKEY.
// Note that there is a special rule for regular expressions to match a
// close square-bracket inside a list delimited by square brackets.
// The "[^]]" part of this expression will match any character except
// a close square-bracket. The ']' character must be the first in the
// list of characters inside the [^...] block of the expression.
cmsys::RegularExpression regEntry("\\[(HKEY[^]]*)\\]");
// check for black line or comment
while (regEntry.find(source))
{
// the arguments are the second match
std::string key = regEntry.match(1);
std::string val;
if (ReadRegistryValue(key.c_str(), val))
{
std::string reg = "[";
reg += key + "]";
cmSystemTools::ReplaceString(source, reg.c_str(), val.c_str());
}
else
{
std::string reg = "[";
reg += key + "]";
cmSystemTools::ReplaceString(source, reg.c_str(), "/registry");
}
}
}
#else
void cmSystemTools::ExpandRegistryValues(std::string&)
{
}
#endif
std::string cmSystemTools::EscapeQuotes(const char* str)
{
std::string result = "";
for(const char* ch = str; *ch != '\0'; ++ch)
{
if(*ch == '"')
{
result += '\\';
}
result += *ch;
}
return result;
}
std::string cmSystemTools::EscapeSpaces(const char* str)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
bool useDoubleQ = true;
#else
bool useDoubleQ = false;
#endif
if(cmSystemTools::s_ForceUnixPaths)
{
useDoubleQ = false;
}
if(useDoubleQ)
{
std::string result;
// if there are spaces
std::string temp = str;
if (temp.find(" ") != std::string::npos &&
temp.find("\"")==std::string::npos)
{
result = "\"";
result += str;
result += "\"";
return result;
}
return str;
}
else
{
std::string result = "";
for(const char* ch = str; *ch != '\0'; ++ch)
{
if(*ch == ' ')
{
result += '\\';
}
result += *ch;
}
return result;
}
}
std::string cmSystemTools::RemoveEscapes(const char* s)
{
std::string result = "";
for(const char* ch = s; *ch; ++ch)
{
if(*ch == '\\' && *(ch+1) != ';')
{
++ch;
switch (*ch)
{
case '\\': result.insert(result.end(), '\\'); break;
case '"': result.insert(result.end(), '"'); break;
case ' ': result.insert(result.end(), ' '); break;
case 't': result.insert(result.end(), '\t'); break;
case 'n': result.insert(result.end(), '\n'); break;
case 'r': result.insert(result.end(), '\r'); break;
case '#': result.insert(result.end(), '#'); break;
case '(': result.insert(result.end(), '('); break;
case ')': result.insert(result.end(), ')'); break;
case '0': result.insert(result.end(), '\0'); break;
case '\0':
{
cmSystemTools::Error("Trailing backslash in argument:\n", s);
return result;
}
default:
{
std::string chStr(1, *ch);
cmSystemTools::Error("Invalid escape sequence \\", chStr.c_str(),
"\nin argument ", s);
}
}
}
else
{
result.insert(result.end(), *ch);
}
}
return result;
}
void cmSystemTools::Error(const char* m1, const char* m2,
const char* m3, const char* m4)
{
std::string message = "CMake Error: ";
if(m1)
{
message += m1;
}
if(m2)
{
message += m2;
}
if(m3)
{
message += m3;
}
if(m4)
{
message += m4;
}
cmSystemTools::s_ErrorOccured = true;
cmSystemTools::Message(message.c_str(),"Error");
}
void cmSystemTools::SetErrorCallback(ErrorCallback f, void* clientData)
{
s_ErrorCallback = f;
s_ErrorCallbackClientData = clientData;
}
void cmSystemTools::SetStdoutCallback(StdoutCallback f, void* clientData)
{
s_StdoutCallback = f;
s_StdoutCallbackClientData = clientData;
}
void cmSystemTools::Stdout(const char* s)
{
if(s_StdoutCallback)
{
(*s_StdoutCallback)(s, strlen(s), s_StdoutCallbackClientData);
}
else
{
std::cout << s;
std::cout.flush();
}
}
void cmSystemTools::Stdout(const char* s, int length)
{
if(s_StdoutCallback)
{
(*s_StdoutCallback)(s, length, s_StdoutCallbackClientData);
}
else
{
std::cout.write(s, length);
std::cout.flush();
}
}
void cmSystemTools::Message(const char* m1, const char *title)
{
if(s_DisableMessages)
{
return;
}
if(s_ErrorCallback)
{
(*s_ErrorCallback)(m1, title, s_DisableMessages, s_ErrorCallbackClientData);
return;
}
else
{
std::cerr << m1 << std::endl << std::flush;
}
}
void cmSystemTools::ReportLastSystemError(const char* msg)
{
std::string m = msg;
m += ": System Error: ";
m += Superclass::GetLastSystemError();
cmSystemTools::Error(m.c_str());
}
bool cmSystemTools::IsOn(const char* val)
{
if (!val)
{
return false;
}
std::basic_string<char> v = val;
for(std::basic_string<char>::iterator c = v.begin();
c != v.end(); c++)
{
*c = toupper(*c);
}
return (v == "ON" || v == "1" || v == "YES" || v == "TRUE" || v == "Y");
}
bool cmSystemTools::IsNOTFOUND(const char* val)
{
int len = strlen(val);
const char* notfound = "-NOTFOUND";
const int lenNotFound = 9;
if(len < lenNotFound-1)
{
return false;
}
if(len == lenNotFound-1)
{
return ( strcmp(val, "NOTFOUND") == 0);
}
return ((strncmp((val + (len - lenNotFound)), notfound, lenNotFound) == 0));
}
bool cmSystemTools::IsOff(const char* val)
{
if (!val || strlen(val) == 0)
{
return true;
}
std::basic_string<char> v = val;
for(std::basic_string<char>::iterator c = v.begin();
c != v.end(); c++)
{
*c = toupper(*c);
}
return (v == "OFF" || v == "0" || v == "NO" || v == "FALSE" ||
v == "N" || cmSystemTools::IsNOTFOUND(v.c_str()) || v == "IGNORE");
}
std::vector<cmStdString> cmSystemTools::ParseArguments(const char* command)
{
std::vector<cmStdString> args;
std::string arg;
bool win_path = false;
if ( command[0] != '/' && command[1] == ':' && command[2] == '\\' ||
command[0] == '\"' && command[1] != '/' && command[2] == ':' && command[3] == '\\' ||
command[0] == '\\' && command[1] == '\\')
{
win_path = true;
}
// Split the command into an argv array.
for(const char* c = command; *c;)
{
// Skip over whitespace.
while(*c == ' ' || *c == '\t')
{
++c;
}
arg = "";
if(*c == '"')
{
// Parse a quoted argument.
++c;
while(*c && *c != '"')
{
arg.append(1, *c);
++c;
}
if(*c)
{
++c;
}
args.push_back(arg);
}
else if(*c)
{
// Parse an unquoted argument.
while(*c && *c != ' ' && *c != '\t')
{
if(*c == '\\' && !win_path)
{
++c;
if(*c)
{
arg.append(1, *c);
++c;
}
}
else
{
arg.append(1, *c);
++c;
}
}
args.push_back(arg);
}
}
return args;
}
bool cmSystemTools::RunSingleCommand(
const char* command,
std::string* output,
int *retVal,
const char* dir,
bool verbose,
double timeout)
{
if(s_DisableRunCommandOutput)
{
verbose = false;
}
std::string program; // store name of program must be in scope function as it
// is put into argv list as a cont char*
std::vector<cmStdString> args; // store the program and args program is args[0]
std::vector<const char*> argv; // store args in a format so that process cmsysProcess can use it
// check to see if the command contains a double quoted string at the start
// if so, then just use parse arguments to split things up
if(command && *command == '\"')
{
args = cmSystemTools::ParseArguments(command);
}
else
{
std::string argsTemp; // Store the arguments to the program
cmSystemTools::SplitProgramFromArgs(command, program, argsTemp);
// if there is no program to run then return false
if(program.size() < 1)
{
// check for a bad call to SplitProgramFromArgs
if(strlen(command) >= 1)
{
cmSystemTools::Error("Error in SplitProgramFromArgs for: ", command);
}
return false;
}
argv.push_back(program.c_str()); // put program in as argv[0]
if(argsTemp.size())
{
args = cmSystemTools::ParseArguments(argsTemp.c_str());
}
}
// copy args into argv
for(std::vector<cmStdString>::const_iterator a = args.begin();
a != args.end(); ++a)
{
argv.push_back(a->c_str());
}
// null terminate array
argv.push_back(0);
// if the only argument is null then there is nothing to run and return false
if(!argv[0])
{
return false;
}
if ( output )
{
*output = "";
}
cmsysProcess* cp = cmsysProcess_New();
cmsysProcess_SetCommand(cp, &*argv.begin());
cmsysProcess_SetWorkingDirectory(cp, dir);
if(cmSystemTools::GetRunCommandHideConsole())
{
cmsysProcess_SetOption(cp, cmsysProcess_Option_HideWindow, 1);
}
cmsysProcess_SetTimeout(cp, timeout);
cmsysProcess_Execute(cp);
std::vector<char> tempOutput;
char* data;
int length;
if ( output || verbose )
{
while(cmsysProcess_WaitForData(cp, &data, &length, 0))
{
if ( output )
{
tempOutput.insert(tempOutput.end(), data, data+length);
}
if(verbose)
{
cmSystemTools::Stdout(data, length);
}
}
}
cmsysProcess_WaitForExit(cp, 0);
if ( output )
{
output->append(&*tempOutput.begin(), tempOutput.size());
}
bool result = true;
if(cmsysProcess_GetState(cp) == cmsysProcess_State_Exited)
{
if ( retVal )
{
*retVal = cmsysProcess_GetExitValue(cp);
}
else
{
if ( cmsysProcess_GetExitValue(cp) != 0 )
{
result = false;
}
}
}
else if(cmsysProcess_GetState(cp) == cmsysProcess_State_Exception)
{
const char* exception_str = cmsysProcess_GetExceptionString(cp);
if ( verbose )
{
std::cerr << exception_str << std::endl;
}
if ( output )
{
output->append(exception_str, strlen(exception_str));
}
result = false;
}
else if(cmsysProcess_GetState(cp) == cmsysProcess_State_Error)
{
const char* error_str = cmsysProcess_GetErrorString(cp);
if ( verbose )
{
std::cerr << error_str << std::endl;
}
if ( output )
{
output->append(error_str, strlen(error_str));
}
result = false;
}
else if(cmsysProcess_GetState(cp) == cmsysProcess_State_Expired)
{
const char* error_str = "Process terminated due to timeout\n";
if ( verbose )
{
std::cerr << error_str << std::endl;
}
if ( output )
{
output->append(error_str, strlen(error_str));
}
result = false;
}
cmsysProcess_Delete(cp);
return result;
}
bool cmSystemTools::RunCommand(const char* command,
std::string& output,
const char* dir,
bool verbose,
int timeout)
{
int dummy;
return cmSystemTools::RunCommand(command, output, dummy,
dir, verbose, timeout);
}
#if defined(WIN32) && !defined(__CYGWIN__)
#include "cmWin32ProcessExecution.h"
// use this for shell commands like echo and dir
bool RunCommandViaWin32(const char* command,
const char* dir,
std::string& output,
int& retVal,
bool verbose,
int timeout)
{
#if defined(__BORLANDC__)
return cmWin32ProcessExecution::BorlandRunCommand(command, dir, output,
retVal,
verbose, timeout,
cmSystemTools::GetRunCommandHideConsole());
#else // Visual studio
::SetLastError(ERROR_SUCCESS);
if ( ! command )
{
cmSystemTools::Error("No command specified");
return false;
}
cmWin32ProcessExecution resProc;
if(cmSystemTools::GetRunCommandHideConsole())
{
resProc.SetHideWindows(true);
}
if ( cmSystemTools::GetWindows9xComspecSubstitute() )
{
resProc.SetConsoleSpawn(cmSystemTools::GetWindows9xComspecSubstitute() );
}
if ( !resProc.StartProcess(command, dir, verbose) )
{
output = resProc.GetOutput();
if(verbose)
{
cmSystemTools::Stdout(output.c_str());
}
return false;
}
resProc.Wait(timeout);
output = resProc.GetOutput();
retVal = resProc.GetExitValue();
return true;
#endif
}
// use this for shell commands like echo and dir
bool RunCommandViaSystem(const char* command,
const char* dir,
std::string& output,
int& retVal,
bool verbose)
{
std::cout << "@@ " << command << std::endl;
std::string commandInDir;
if(dir)
{
commandInDir = "cd ";
commandInDir += cmSystemTools::ConvertToOutputPath(dir);
commandInDir += " && ";
commandInDir += command;
}
else
{
commandInDir = command;
}
command = commandInDir.c_str();
std::string commandToFile = command;
commandToFile += " > ";
std::string tempFile;
tempFile += _tempnam(0, "cmake");
commandToFile += tempFile;
retVal = system(commandToFile.c_str());
std::ifstream fin(tempFile.c_str());
if(!fin)
{
if(verbose)
{
std::string errormsg = "RunCommand produced no output: command: \"";
errormsg += command;
errormsg += "\"";
errormsg += "\nOutput file: ";
errormsg += tempFile;
cmSystemTools::Error(errormsg.c_str());
}
fin.close();
cmSystemTools::RemoveFile(tempFile.c_str());
return false;
}
bool multiLine = false;
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
output += line;
if(multiLine)
{
output += "\n";
}
multiLine = true;
}
fin.close();
cmSystemTools::RemoveFile(tempFile.c_str());
return true;
}
#else // We have popen
bool RunCommandViaPopen(const char* command,
const char* dir,
std::string& output,
int& retVal,
bool verbose,
int /*timeout*/)
{
// if only popen worked on windows.....
std::string commandInDir;
if(dir)
{
commandInDir = "cd \"";
commandInDir += dir;
commandInDir += "\" && ";
commandInDir += command;
}
else
{
commandInDir = command;
}
commandInDir += " 2>&1";
command = commandInDir.c_str();
const int BUFFER_SIZE = 4096;
char buffer[BUFFER_SIZE];
if(verbose)
{
cmSystemTools::Stdout("running ");
cmSystemTools::Stdout(command);
cmSystemTools::Stdout("\n");
}
fflush(stdout);
fflush(stderr);
FILE* cpipe = popen(command, "r");
if(!cpipe)
{
return false;
}
fgets(buffer, BUFFER_SIZE, cpipe);
while(!feof(cpipe))
{
if(verbose)
{
cmSystemTools::Stdout(buffer);
}
output += buffer;
fgets(buffer, BUFFER_SIZE, cpipe);
}
retVal = pclose(cpipe);
if (WIFEXITED(retVal))
{
retVal = WEXITSTATUS(retVal);
return true;
}
if (WIFSIGNALED(retVal))
{
retVal = WTERMSIG(retVal);
cmOStringStream error;
error << "\nProcess terminated due to ";
switch (retVal)
{
#ifdef SIGKILL
case SIGKILL:
error << "SIGKILL";
break;
#endif
#ifdef SIGFPE
case SIGFPE:
error << "SIGFPE";
break;
#endif
#ifdef SIGBUS
case SIGBUS:
error << "SIGBUS";
break;
#endif
#ifdef SIGSEGV
case SIGSEGV:
error << "SIGSEGV";
break;
#endif
default:
error << "signal " << retVal;
break;
}
output += error.str();
}
return false;
}
#endif // endif WIN32 not CYGWIN
// run a command unix uses popen (easy)
// windows uses system and ShortPath
bool cmSystemTools::RunCommand(const char* command,
std::string& output,
int &retVal,
const char* dir,
bool verbose,
int timeout)
{
if(s_DisableRunCommandOutput)
{
verbose = false;
}
#if defined(WIN32) && !defined(__CYGWIN__)
// if the command does not start with a quote, then
// try to find the program, and if the program can not be
// found use system to run the command as it must be a built in
// shell command like echo or dir
int count = 0;
if(command[0] == '\"')
{
// count the number of quotes
for(const char* s = command; *s != 0; ++s)
{
if(*s == '\"')
{
count++;
if(count > 2)
{
break;
}
}
}
// if there are more than two double quotes use
// GetShortPathName, the cmd.exe program in windows which
// is used by system fails to execute if there are more than
// one set of quotes in the arguments
if(count > 2)
{
cmsys::RegularExpression quoted("^\"([^\"]*)\"[ \t](.*)");
if(quoted.find(command))
{
std::string shortCmd;
std::string cmd = quoted.match(1);
std::string args = quoted.match(2);
if(! cmSystemTools::FileExists(cmd.c_str()) )
{
shortCmd = cmd;
}
else if(!cmSystemTools::GetShortPath(cmd.c_str(), shortCmd))
{
cmSystemTools::Error("GetShortPath failed for " , cmd.c_str());
return false;
}
shortCmd += " ";
shortCmd += args;
//return RunCommandViaSystem(shortCmd.c_str(), dir,
// output, retVal, verbose);
//return WindowsRunCommand(shortCmd.c_str(), dir,
//output, retVal, verbose);
return RunCommandViaWin32(shortCmd.c_str(), dir,
output, retVal, verbose, timeout);
}
else
{
cmSystemTools::Error("Could not parse command line with quotes ",
command);
}
}
}
// if there is only one set of quotes or no quotes then just run the command
//return RunCommandViaSystem(command, dir, output, retVal, verbose);
//return WindowsRunCommand(command, dir, output, retVal, verbose);
return ::RunCommandViaWin32(command, dir, output, retVal, verbose, timeout);
#else
return ::RunCommandViaPopen(command, dir, output, retVal, verbose, timeout);
#endif
}
bool cmSystemTools::DoesFileExistWithExtensions(
const char* name,
const std::vector<std::string>& headerExts)
{
std::string hname;
for( std::vector<std::string>::const_iterator ext = headerExts.begin();
ext != headerExts.end(); ++ext )
{
hname = name;
hname += ".";
hname += *ext;
if(cmSystemTools::FileExists(hname.c_str()))
{
return true;
}
}
return false;
}
bool cmSystemTools::cmCopyFile(const char* source, const char* destination)
{
return Superclass::CopyFileAlways(source, destination);
}
bool cmSystemTools::CopyFileIfDifferent(const char* source,
const char* destination)
{
return Superclass::CopyFileIfDifferent(source, destination);
}
void cmSystemTools::Glob(const char *directory, const char *regexp,
std::vector<std::string>& files)
{
cmsys::Directory d;
cmsys::RegularExpression reg(regexp);
if (d.Load(directory))
{
size_t numf;
unsigned int i;
numf = d.GetNumberOfFiles();
for (i = 0; i < numf; i++)
{
std::string fname = d.GetFile(i);
if (reg.find(fname))
{
files.push_back(fname);
}
}
}
}
void cmSystemTools::GlobDirs(const char *fullPath,
std::vector<std::string>& files)
{
std::string path = fullPath;
std::string::size_type pos = path.find("/*");
if(pos == std::string::npos)
{
files.push_back(fullPath);
return;
}
std::string startPath = path.substr(0, pos);
std::string finishPath = path.substr(pos+2);
cmsys::Directory d;
if (d.Load(startPath.c_str()))
{
for (unsigned int i = 0; i < d.GetNumberOfFiles(); ++i)
{
if((std::string(d.GetFile(i)) != ".")
&& (std::string(d.GetFile(i)) != ".."))
{
std::string fname = startPath;
fname +="/";
fname += d.GetFile(i);
if(cmSystemTools::FileIsDirectory(fname.c_str()))
{
fname += finishPath;
cmSystemTools::GlobDirs(fname.c_str(), files);
}
}
}
}
}
void cmSystemTools::ExpandList(std::vector<std::string> const& arguments,
std::vector<std::string>& newargs)
{
std::vector<std::string>::const_iterator i;
for(i = arguments.begin();i != arguments.end(); ++i)
{
cmSystemTools::ExpandListArgument(*i, newargs);
}
}
void cmSystemTools::ExpandListArgument(const std::string& arg,
std::vector<std::string>& newargs)
{
std::string newarg;
// If argument is empty, it is an empty list.
if(arg.length() == 0)
{
return;
}
// if there are no ; in the name then just copy the current string
if(arg.find(';') == std::string::npos)
{
newargs.push_back(arg);
return;
}
// Break the string at non-escaped semicolons not nested in [].
int squareNesting = 0;
for(const char* c = arg.c_str(); *c; ++c)
{
switch(*c)
{
case '\\':
{
// We only want to allow escaping of semicolons. Other
// escapes should not be processed here.
++c;
if(*c == ';')
{
newarg += ';';
}
else
{
newarg += '\\';
if(*c)
{
newarg += *c;
}
}
} break;
case '[':
{
++squareNesting;
newarg += '[';
} break;
case ']':
{
--squareNesting;
newarg += ']';
} break;
case ';':
{
// Break the string here if we are not nested inside square
// brackets.
if(squareNesting == 0)
{
if(newarg.length())
{
// Add an argument if the string is not empty.
newargs.push_back(newarg);
newarg = "";
}
}
else
{
newarg += ';';
}
} break;
default:
{
// Just append this character.
newarg += *c;
} break;
}
}
if(newarg.length())
{
// Add the last argument if the string is not empty.
newargs.push_back(newarg);
}
}
bool cmSystemTools::SimpleGlob(const cmStdString& glob,
std::vector<cmStdString>& files,
int type /* = 0 */)
{
files.clear();
if ( glob[glob.size()-1] != '*' )
{
return false;
}
std::string path = cmSystemTools::GetFilenamePath(glob);
std::string ppath = cmSystemTools::GetFilenameName(glob);
ppath = ppath.substr(0, ppath.size()-1);
if ( path.size() == 0 )
{
path = "/";
}
bool res = false;
cmsys::Directory d;
if (d.Load(path.c_str()))
{
for (unsigned int i = 0; i < d.GetNumberOfFiles(); ++i)
{
if((std::string(d.GetFile(i)) != ".")
&& (std::string(d.GetFile(i)) != ".."))
{
std::string fname = path;
if ( path[path.size()-1] != '/' )
{
fname +="/";
}
fname += d.GetFile(i);
std::string sfname = d.GetFile(i);
if ( type > 0 && cmSystemTools::FileIsDirectory(fname.c_str()) )
{
continue;
}
if ( type < 0 && !cmSystemTools::FileIsDirectory(fname.c_str()) )
{
continue;
}
if ( sfname.size() >= ppath.size() &&
sfname.substr(0, ppath.size()) ==
ppath )
{
files.push_back(fname);
res = true;
}
}
}
}
return res;
}
cmSystemTools::FileFormat cmSystemTools::GetFileFormat(const char* cext)
{
if ( ! cext || *cext == 0 )
{
return cmSystemTools::NO_FILE_FORMAT;
}
//std::string ext = cmSystemTools::LowerCase(cext);
std::string ext = cext;
if ( ext == "c" || ext == ".c" ) { return cmSystemTools::C_FILE_FORMAT; }
if (
ext == "C" || ext == ".C" ||
ext == "M" || ext == ".M" ||
ext == "c++" || ext == ".c++" ||
ext == "cc" || ext == ".cc" ||
ext == "cpp" || ext == ".cpp" ||
ext == "cxx" || ext == ".cxx" ||
ext == "m" || ext == ".m" ||
ext == "mm" || ext == ".mm"
) { return cmSystemTools::CXX_FILE_FORMAT; }
if (
ext == "f" || ext == ".f" ||
ext == "F" || ext == ".F" ||
ext == "f77" || ext == ".f77" ||
ext == "f90" || ext == ".f90" ||
ext == "for" || ext == ".for" ||
ext == "f95" || ext == ".f95"
) { return cmSystemTools::FORTRAN_FILE_FORMAT; }
if ( ext == "java" || ext == ".java" ) { return cmSystemTools::JAVA_FILE_FORMAT; }
if (
ext == "H" || ext == ".H" ||
ext == "h" || ext == ".h" ||
ext == "h++" || ext == ".h++" ||
ext == "hm" || ext == ".hm" ||
ext == "hpp" || ext == ".hpp" ||
ext == "hxx" || ext == ".hxx" ||
ext == "in" || ext == ".in" ||
ext == "txx" || ext == ".txx"
) { return cmSystemTools::HEADER_FILE_FORMAT; }
if ( ext == "rc" || ext == ".rc" ) { return cmSystemTools::RESOURCE_FILE_FORMAT; }
if ( ext == "def" || ext == ".def" ) { return cmSystemTools::DEFINITION_FILE_FORMAT; }
if ( ext == "lib" || ext == ".lib" ||
ext == "a" || ext == ".a") { return cmSystemTools::STATIC_LIBRARY_FILE_FORMAT; }
if ( ext == "o" || ext == ".o" ||
ext == "obj" || ext == ".obj") { return cmSystemTools::OBJECT_FILE_FORMAT; }
#ifdef __APPLE__
if ( ext == "dylib" || ext == ".dylib" )
{ return cmSystemTools::SHARED_LIBRARY_FILE_FORMAT; }
if ( ext == "so" || ext == ".so" ||
ext == "bundle" || ext == ".bundle" )
{ return cmSystemTools::MODULE_FILE_FORMAT; }
#else // __APPLE__
if ( ext == "so" || ext == ".so" ||
ext == "sl" || ext == ".sl" ||
ext == "dll" || ext == ".dll" )
{ return cmSystemTools::SHARED_LIBRARY_FILE_FORMAT; }
#endif // __APPLE__
return cmSystemTools::UNKNOWN_FILE_FORMAT;
}
bool cmSystemTools::Split(const char* s, std::vector<cmStdString>& l)
{
std::vector<std::string> temp;
bool res = Superclass::Split(s, temp);
for(std::vector<std::string>::const_iterator i = temp.begin();
i != temp.end(); ++i)
{
l.push_back(*i);
}
return res;
}
std::string cmSystemTools::ConvertToOutputPath(const char* path)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
if(s_ForceUnixPaths)
{
return cmSystemTools::ConvertToUnixOutputPath(path);
}
return cmSystemTools::ConvertToWindowsOutputPath(path);
#else
return cmSystemTools::ConvertToUnixOutputPath(path);
#endif
}
std::string cmSystemTools::ConvertToRunCommandPath(const char* path)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
return cmSystemTools::ConvertToWindowsOutputPath(path);
#else
return cmSystemTools::ConvertToUnixOutputPath(path);
#endif
}
bool cmSystemTools::StringEndsWith(const char* str1, const char* str2)
{
if ( !str1 || !str2 || strlen(str1) < strlen(str2) )
{
return 0;
}
return !strncmp(str1 + (strlen(str1)-strlen(str2)), str2, strlen(str2));
}
#if defined(_WIN32) && !defined(__CYGWIN__)
bool cmSystemTools::CreateSymlink(const char*, const char*)
{
// Should we create a copy here?
return false;
}
#else
bool cmSystemTools::CreateSymlink(const char* origName, const char* newName)
{
return (symlink(origName, newName) >= 0);
}
#endif
std::vector<cmStdString> cmSystemTools::SplitString(const char* p, char sep, bool isPath)
{
std::string path = p;
std::vector<cmStdString> paths;
if(isPath && path[0] == '/')
{
path.erase(path.begin());
paths.push_back("/");
}
std::string::size_type pos1 = 0;
std::string::size_type pos2 = path.find(sep, pos1+1);
while(pos2 != std::string::npos)
{
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;
}
// compute the relative path from here to there
std::string cmSystemTools::RelativePath(const char* local, const char* remote)
{
if(!cmSystemTools::FileIsFullPath(local))
{
cmSystemTools::Error("RelativePath must be passed a full path to local: ", local);
}
if(!cmSystemTools::FileIsFullPath(remote))
{
cmSystemTools::Error("RelativePath must be passed a full path to remote: ", remote);
}
// split up both paths into arrays of strings using / as a separator
std::string localString = local;
std::vector<cmStdString> localSplit = cmSystemTools::SplitString(local, '/', true);
std::vector<cmStdString> remoteSplit = cmSystemTools::SplitString(remote, '/', true);
std::vector<cmStdString> commonPath; // store shared parts of path in this array
std::vector<cmStdString> finalPath; // store the final relative path here
// 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)))
&&
// for windows and apple do a case insensitive string compare
#if defined(_WIN32) || defined(__APPLE__)
cmSystemTools::Strucmp(localSplit[sameCount].c_str(),
remoteSplit[sameCount].c_str()) == 0
#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++;
}
// If there is nothing in common with the paths, then just return the remote
if(sameCount == 0)
{
return remote;
}
// 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(std::vector<cmStdString>::iterator i = remoteSplit.begin();
i != remoteSplit.end(); ++i)
{
if(i->size())
{
finalPath.push_back(*i);
}
}
std::string relativePath; // result string
// now turn the array of directories into a unix path by puttint /
// between each entry that does not already have one
for(std::vector<cmStdString>::iterator i = finalPath.begin();
i != finalPath.end(); ++i)
{
if(relativePath.size() && relativePath[relativePath.size()-1] != '/')
{
relativePath += "/";
}
relativePath += *i;
}
return relativePath;
}
class cmDeletingCharVector : public std::vector<char*>
{
public:
~cmDeletingCharVector()
{
for(std::vector<char*>::iterator i = this->begin();
i != this->end(); ++i)
{
delete []*i;
}
}
};
bool cmSystemTools::PutEnv(const char* value)
{
static cmDeletingCharVector 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;
}
bool cmSystemTools::FileTimeCompare(const char* f1, const char* f2,
int* result)
{
struct stat stat1, stat2;
if(stat(f1, &stat1) == 0 && stat(f2, &stat2) == 0)
{
*result = 0;
if(stat1.st_mtime < stat2.st_mtime)
{
*result = -1;
}
else if(stat1.st_mtime > stat2.st_mtime)
{
*result = 1;
}
#if 0
// TODO: Support resolution higher than one second.
// Use st_mtim.tv_nsec if available and GetFileTime on Windows.
else if(stat1.st_mtim.tv_nsec < stat2.st_mtim.tv_nsec)
{
*result = 1;
}
#endif
return true;
}
else
{
return false;
}
}
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