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#include "filesystem.h"
#include <dirent.h>
#include <log/log.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sstream>
#include <string>
#include <vector>
namespace filesystem {
bool exists(const path& p) {
struct stat s;
return stat(p.string().c_str(), &s) == 0;
}
bool is_directory(const path& p) {
struct stat s;
if (stat(p.string().c_str(), &s))
return false;
return S_ISDIR(s.st_mode);
}
bool is_symlink(const path& p) {
struct stat s;
if (lstat(p.string().c_str(), &s))
return false;
return S_ISLNK(s.st_mode);
}
path read_symlink(const path& p) {
char* actualPath = realpath(p.string().c_str(), NULL);
if (!actualPath) {
return path(p.string());
}
path out(actualPath);
free(actualPath);
return out;
}
std::vector<directory_entry> directory_iterator(const path& p) {
if (!exists(p) || !is_directory(p))
return {};
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(p.string().c_str()), &closedir);
if (!dir) {
ALOGE("Failed to open %s directory", p.string().c_str());
}
std::vector<directory_entry> out;
struct dirent* dent;
while ((dent = readdir(dir.get()))) {
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
std::stringstream ss(p.string());
ss << "/" << dent->d_name;
out.emplace_back(ss.str());
}
return out;
}
} // namespace filesystem
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