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#include "cmSystemTools.h"
#include "errno.h"
#include <sys/stat.h>
#include "cmRegularExpression.h"
#ifdef _MSC_VER
#include <windows.h>
#include <direct.h>
inline int Mkdir(const char* dir)
{
return _mkdir(dir);
}
#else
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
inline int Mkdir(const char* dir)
{
return mkdir(dir, 00700);
}
#endif
// remove extra spaces and the "\" character from the name
// of the class as it is in the CMakeLists.txt
std::string cmSystemTools::CleanUpName(const char* name)
{
std::string className = name;
size_t i =0;
while(className[i] == ' ' || className[i] == '\t')
{
i++;
}
if(i)
{
className = className.substr(i, className.size());
}
size_t pos = className.find('\\');
if(pos != std::string::npos)
{
className = className.substr(0, pos);
}
pos = className.find(' ');
if(pos != std::string::npos)
{
className = className.substr(0, pos);
}
pos = className.find('\t');
if(pos != std::string::npos)
{
className = className.substr(0, pos);
}
return className;
}
bool cmSystemTools::MakeDirectory(const char* path)
{
std::string dir = path;
// replace all of the \ with /
size_t pos = 0;
while((pos = dir.find('\\', pos)) != std::string::npos)
{
dir[pos] = '/';
pos++;
}
pos = dir.find(':');
if(pos == std::string::npos)
{
pos = 0;
}
while((pos = dir.find('/', pos)) != std::string::npos)
{
std::string topdir = dir.substr(0, pos);
Mkdir(topdir.c_str());
pos++;
}
if(Mkdir(path) != 0)
{
// if it is some other error besides directory exists
// then return false
if(errno != EEXIST)
{
return false;
}
}
return true;
}
// replace replace with with as many times as it shows up in source.
// write the result into source.
void cmSystemTools::ReplaceString(std::string& source,
const char* replace,
const char* with)
{
int lengthReplace = strlen(replace);
std::string rest;
size_t start = source.find(replace);
while(start != std::string::npos)
{
rest = source.substr(start+lengthReplace);
source = source.substr(0, start);
source += with;
source += rest;
start = source.find(replace, start + lengthReplace );
}
}
// return true if the file exists
bool cmSystemTools::FileExists(const char* filename)
{
struct stat fs;
if (stat(filename, &fs) != 0)
{
return false;
}
else
{
return true;
}
}
// Read a list from a CMakeLists.txt file open stream.
// assume the stream has just read "VAR = \"
// read until there is not a "\" at the end of the line.
void cmSystemTools::ReadList(std::vector<std::string>& stringList,
std::ifstream& fin)
{
char inbuffer[2048];
bool done = false;
while ( !done )
{
fin.getline(inbuffer, sizeof(inbuffer) );
std::string inname = inbuffer;
if(inname.find('\\') == std::string::npos)
{
done = true;
}
if(inname.size())
{
stringList.push_back(cmSystemTools::CleanUpName(inname.c_str()));
}
}
}
// convert windows slashes to unix slashes \ with /
void cmSystemTools::ConvertToUnixSlashes(std::string& path)
{
std::string::size_type pos = path.find('\\');
while(pos != std::string::npos)
{
path[pos] = '/';
pos = path.find('\\');
}
// remove any trailing slash
if(path[path.size()-1] == '/')
{
path = path.substr(0, path.size()-1);
}
}
int cmSystemTools::Grep(const char* dir, const char* file, const char* expression)
{
std::string path = dir;
path += "/";
path += file;
std::ifstream fin(path.c_str());
char buffer[2056];
int count = 0;
cmRegularExpression reg(expression);
while(fin)
{
fin.getline(buffer, sizeof(buffer));
count += reg.find(buffer);
}
return count;
}
std::string cmSystemTools::ExtractVariable(const char* variable,
const char* l)
{
std::string line = l;
size_t varstart = line.find(variable);
size_t start = line.find("=");
if(start != std::string::npos && start > varstart )
{
start++;
while(line[start] == ' ' && start < line.size())
{
start++;
}
size_t end = line.size()-1;
while(line[end] == ' ' && end > start)
{
end--;
}
return line.substr(start, end).c_str();
}
return std::string("");
}
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