radio/lib/tools/file.cpp
2018-08-05 00:48:17 +03:00

116 lines
3.5 KiB
C++

#include "file.h"
#include <iostream>
T::File::File(const W::String& p_path):
path(p_path)
{
}
T::File::~File()
{
}
const W::String & T::File::getPath() const
{
return path;
}
W::String T::File::suffix() const
{
uint64_t dotPos = path.findLastOf(W::String(u"."));
if (dotPos > path.findLastOf(W::String(u"/"))) {
return path.substr(dotPos + 1);
} else {
return W::String(u"");
}
}
bool T::File::readDirectoryRecursive(const W::String& path, std::list<T::File>* result)
{
DIR *d;
struct dirent *dir;
d = opendir(path.toString().c_str());
bool success = false;
if (d) {
while ((dir = readdir(d)) != NULL) {
if (strcmp(dir->d_name, ".") == 0 || strcmp(dir->d_name, "..") == 0) {
continue;
}
W::String d_path = path + W::String(u"/") + W::String(std::string(dir->d_name));
struct stat st;
int err = lstat(d_path.toString().c_str(), &st);
if (err == 0) {
success = true;
switch (st.st_mode & S_IFMT) {
case S_IFDIR:
success = File::readDirectoryRecursive(d_path, result);
break;
case S_IFREG:
result->emplace_back(d_path);
break;
}
} else {
std::cout << "unable read description of file " << d_path.toString() << ". ";
switch (errno) {
case EACCES:
std::cout << "Search permission is denied for one of the directories in the path prefix of path";
break;
case EFAULT:
std::cout << "Bad address";
break;
case ELOOP:
std::cout << "Too many symbolic links encountered while traversing the path";
break;
case ENAMETOOLONG:
std::cout << "path is too long";
break;
case ENOENT:
std::cout << "A component of path does not exist, or path is an empty string";
break;
case ENOMEM:
std::cout << "Out of memory";
break;
case ENOTDIR:
std::cout << "A component of the path prefix of path is not a directory";
break;
case EOVERFLOW:
std::cout << "EOVERFLOW error";
break;
default:
std::cout << "undefined error";
}
std::cout << std::endl;
}
}
closedir(d);
} else {
std::cout << "unable to open a directory " << path.toString() << std::endl;
}
return success;
}
W::String T::File::parentDirectory() const
{
uint64_t lastSlashPos = path.findLastOf(W::String(u"/"));
W::String fPath = path.substr(0, lastSlashPos);
uint64_t pSpashPos = fPath.findLastOf(W::String(u"/"));
return fPath.substr(pSpashPos + 1);
}
W::String T::File::name() const
{
uint64_t slashPos = path.findLastOf(W::String(u"/"));
return path.substr(slashPos + 1);
}
W::String T::File::nameWithoutSuffix() const
{
W::String nws = name();
uint64_t dotPos = path.findLastOf(W::String(u"."));
return nws.substr(0, dotPos);
}