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