String AbstractFileManager::makeRelative(const String& absolutePath, const String& referencePath) {
if (!::wxIsAbsolutePath(absolutePath))
return absolutePath;
if (!::wxIsAbsolutePath(referencePath))
return "";
StringList absolutePathComponents = resolvePath(pathComponents(absolutePath));
StringList referencePathComponents = resolvePath(pathComponents(referencePath));
StringList relativePathComponents;
if (!isDirectory(referencePath))
referencePathComponents.pop_back();
unsigned int i = 0;
for (; i < (std::min)(absolutePathComponents.size(), referencePathComponents.size()); i++) {
const String& absolutePathComponent = absolutePathComponents[i];
const String& referencePathComponent = referencePathComponents[i];
if (absolutePathComponent != referencePathComponent)
break;
}
for (unsigned int j = i; j < referencePathComponents.size(); j++)
relativePathComponents.push_back("..");
for (unsigned int j = i; j < absolutePathComponents.size(); j++)
relativePathComponents.push_back(absolutePathComponents[j]);
return joinComponents(relativePathComponents);
}
StringList AbstractFileManager::directoryContents(const String& path, String extension, bool directories, bool files) {
StringList result;
if (!isDirectory(path) || !wxSetWorkingDirectory(path))
return result;
if (!directories && !files)
return result;
int flags;
if (directories && files)
flags = 0;
else if (directories)
flags = wxDIR;
else
flags = wxFILE;
String lowerExtension = Utility::toLower(extension);
wxString filename = wxFindFirstFile("*", flags);
while (!filename.empty()) {
String stdFilename = filename.ToStdString();
bool matches = extension.empty() || Utility::toLower(pathExtension(stdFilename)) == lowerExtension;
if (matches)
result.push_back(pathComponents(stdFilename).back());
filename = wxFindNextFile();
}
return result;
}
String AbstractFileManager::resolvePath(const String& path) {
StringList components = resolvePath(pathComponents(path));
String cleanPath = joinComponents(components);
if (path[0] == '/')
cleanPath = "/" + cleanPath;
return cleanPath;
}
string
filenameFromPathname(const string &path)
{
string strippedPath(trimRight(trimLeft(path, "\t "), "\t "));
// special-case the root
if (strippedPath == "/")
{
return strippedPath;
}
// directories are components too
strippedPath = trimRight(strippedPath, "/");
vector<string> pathComponents(split(path, '/'));
if (pathComponents.size() == 0)
{
THROW(ArgExc, "Expected at least one component of path '" << path << "', but saw none");
}
return pathComponents[pathComponents.size() -1];
}