bool findRelativePath(const filesystem::path& from_, const filesystem::path& to, filesystem::path& out_relativePath)
{
if(from_.is_complete() && to.is_complete()){
filesystem::path from;
makePathCompact(from_, from);
filesystem::path::const_iterator p = from.begin();
filesystem::path::const_iterator q = to.begin();
while(p != from.end() && q != to.end()){
if(!comparePathIterator(p, q)){
break;
}
++p;
++q;
}
out_relativePath.clear();
while(p != from.end()){
out_relativePath /= "..";
++p;
}
while(q != to.end()){
out_relativePath /= *q++;
}
return true;
}
return false;
}
int findSubDirectory(const filesystem::path& directory, const filesystem::path& path, filesystem::path& out_subdirectory)
{
int numMatchedDepth = 0;
if(directory.is_absolute() && path.is_absolute()){
filesystem::path compactPath;
makePathCompact(path, compactPath);
filesystem::path::const_iterator p = directory.begin();
filesystem::path::const_iterator q = compactPath.begin();
while(p != directory.end() && q != compactPath.end()){
if(!comparePathIterator(p, q)){
break;
}
++numMatchedDepth;
++p;
++q;
}
if(p == directory.end()){
out_subdirectory.clear();
while(q != compactPath.end()){
out_subdirectory /= *q++;
}
return numMatchedDepth;
}
}
return 0;
}
void findExecutablePath()
{
#ifdef _WIN32
static const int BUFSIZE = 1024;
TCHAR execFilePath[BUFSIZE];
if(GetModuleFileName(NULL, execFilePath, BUFSIZE)){
#ifndef UNICODE
executablePath_ = execFilePath;
#else
int codepage = _getmbcp();
const int newSize = WideCharToMultiByte(codepage, 0, execFilePath, -1, NULL, 0, NULL, NULL);
if(newSize > 0){
vector<filesystem::path::String> execFilePathMB(newSize + 1);
newSize = WideCharToMultiByte(codepage, 0, execFilePath, -1, &execFilePathMB[0], newSize + 1, NULL, NULL);
executablePath_ = execFilePathUtf8;
;
}
#endif // UNICODE
}
#endif
#ifdef __linux__
utsname info;
if(uname(&info) == 0){
if(strncmp(info.sysname, "Linux", 6) == 0){
static const int BUFSIZE = 1024;
char buf[BUFSIZE];
int n = readlink("/proc/self/exe", buf, BUFSIZE - 1);
buf[n] = 0;
executablePath_ = buf;
}
}
#endif
#ifdef MACOSX
char buf[1024];
uint32_t n = sizeof(buf);
if(_NSGetExecutablePath(buf, &n) == 0){
executablePath_ = buf;
}
filesystem::path path;
// remove dot from a path like bin/./choreonoid
makePathCompact(filesystem::path(executablePath_), path);
//filesystem::path path = filesystem::canonical(filesystem::path(executablePath_));
#else
filesystem::path path(executablePath_);
#endif
filesystem::path topPath = path.parent_path().parent_path();
executableTopDirectory_ = topPath.string();
filesystem::path sharePath = topPath / CNOID_SHARE_SUBDIR;
if(filesystem::is_directory(sharePath)){
shareDirectory_ = getNativePathString(sharePath);
} else if(filesystem::is_directory(sharePath.parent_path())){
shareDirectory_ = getNativePathString(sharePath.parent_path());
} else if(topPath.has_parent_path()){ // case of a sub build directory
sharePath = topPath.parent_path() / "share";
if(filesystem::is_directory(sharePath)){
shareDirectory_ = getNativePathString(sharePath);
}
}
#ifdef _WIN32
if(path.extension() == ".exe"){
executableBasename_ = getBasename(path);
} else {
executableBasename_ = getFilename(path);
}
#else
executableBasename_ = getFilename(path);
#endif
}
