blob: 96bd4954bffe107a5e584b58e232df82622c2890 [file] [log] [blame]
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/testsupport/file_utils.h"
#include <assert.h>
#if defined(WEBRTC_POSIX)
#include <unistd.h>
#endif
#if defined(WEBRTC_WIN)
#include <direct.h>
#include <tchar.h>
#include <windows.h>
#include <algorithm>
#include <codecvt>
#include <locale>
#include "Shlwapi.h"
#include "WinDef.h"
#include "rtc_base/win32.h"
#define GET_CURRENT_DIR _getcwd
#else
#include <dirent.h>
#define GET_CURRENT_DIR getcwd
#endif
#include <sys/stat.h> // To check for directory existence.
#ifndef S_ISDIR // Not defined in stat.h on Windows.
#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
#endif
#include <stdio.h>
#include <stdlib.h>
#include <memory>
#include <type_traits>
#include <utility>
#if defined(WEBRTC_IOS)
#include "test/testsupport/ios_file_utils.h"
#elif defined(WEBRTC_MAC)
#include "test/testsupport/mac_file_utils.h"
#endif
#include "rtc_base/checks.h"
#include "rtc_base/string_utils.h"
#include "test/testsupport/file_utils_override.h"
namespace webrtc {
namespace test {
#if defined(WEBRTC_WIN)
const char* kPathDelimiter = "\\";
#else
const char* kPathDelimiter = "/";
#endif
std::string DirName(const std::string& path) {
if (path.empty())
return "";
if (path == kPathDelimiter)
return path;
std::string result = path;
if (result.back() == *kPathDelimiter)
result.pop_back(); // Remove trailing separator.
return result.substr(0, result.find_last_of(kPathDelimiter));
}
bool FileExists(const std::string& file_name) {
struct stat file_info = {0};
return stat(file_name.c_str(), &file_info) == 0;
}
bool DirExists(const std::string& directory_name) {
struct stat directory_info = {0};
return stat(directory_name.c_str(), &directory_info) == 0 &&
S_ISDIR(directory_info.st_mode);
}
std::string OutputPath() {
return webrtc::test::internal::OutputPath();
}
std::string WorkingDir() {
return webrtc::test::internal::WorkingDir();
}
// Generate a temporary filename in a safe way.
// Largely copied from talk/base/{unixfilesystem,win32filesystem}.cc.
std::string TempFilename(const std::string& dir, const std::string& prefix) {
#ifdef WIN32
wchar_t filename[MAX_PATH];
if (::GetTempFileNameW(rtc::ToUtf16(dir).c_str(),
rtc::ToUtf16(prefix).c_str(), 0, filename) != 0)
return rtc::ToUtf8(filename);
assert(false);
return "";
#else
int len = dir.size() + prefix.size() + 2 + 6;
std::unique_ptr<char[]> tempname(new char[len]);
snprintf(tempname.get(), len, "%s/%sXXXXXX", dir.c_str(), prefix.c_str());
int fd = ::mkstemp(tempname.get());
if (fd == -1) {
assert(false);
return "";
} else {
::close(fd);
}
std::string ret(tempname.get());
return ret;
#endif
}
std::string GenerateTempFilename(const std::string& dir,
const std::string& prefix) {
std::string filename = TempFilename(dir, prefix);
RemoveFile(filename);
return filename;
}
absl::optional<std::vector<std::string>> ReadDirectory(std::string path) {
if (path.length() == 0)
return absl::optional<std::vector<std::string>>();
#if defined(WEBRTC_WIN)
// Append separator character if needed.
if (path.back() != '\\')
path += '\\';
// Init.
WIN32_FIND_DATAW data;
HANDLE handle = ::FindFirstFileW(rtc::ToUtf16(path + '*').c_str(), &data);
if (handle == INVALID_HANDLE_VALUE)
return absl::optional<std::vector<std::string>>();
// Populate output.
std::vector<std::string> found_entries;
do {
const std::string name = rtc::ToUtf8(data.cFileName);
if (name != "." && name != "..")
found_entries.emplace_back(path + name);
} while (::FindNextFileW(handle, &data) == TRUE);
// Release resources.
if (handle != INVALID_HANDLE_VALUE)
::FindClose(handle);
#else
// Append separator character if needed.
if (path.back() != '/')
path += '/';
// Init.
DIR* dir = ::opendir(path.c_str());
if (dir == nullptr)
return absl::optional<std::vector<std::string>>();
// Populate output.
std::vector<std::string> found_entries;
while (dirent* dirent = readdir(dir)) {
const std::string& name = dirent->d_name;
if (name != "." && name != "..")
found_entries.emplace_back(path + name);
}
// Release resources.
closedir(dir);
#endif
return absl::optional<std::vector<std::string>>(std::move(found_entries));
}
bool CreateDir(const std::string& directory_name) {
struct stat path_info = {0};
// Check if the path exists already:
if (stat(directory_name.c_str(), &path_info) == 0) {
if (!S_ISDIR(path_info.st_mode)) {
fprintf(stderr,
"Path %s exists but is not a directory! Remove this "
"file and re-run to create the directory.\n",
directory_name.c_str());
return false;
}
} else {
#ifdef WIN32
return _mkdir(directory_name.c_str()) == 0;
#else
return mkdir(directory_name.c_str(), S_IRWXU | S_IRWXG | S_IRWXO) == 0;
#endif
}
return true;
}
bool RemoveDir(const std::string& directory_name) {
#ifdef WIN32
return RemoveDirectoryA(directory_name.c_str()) != FALSE;
#else
return rmdir(directory_name.c_str()) == 0;
#endif
}
bool RemoveFile(const std::string& file_name) {
#ifdef WIN32
return DeleteFileA(file_name.c_str()) != FALSE;
#else
return unlink(file_name.c_str()) == 0;
#endif
}
std::string ResourcePath(const std::string& name,
const std::string& extension) {
return webrtc::test::internal::ResourcePath(name, extension);
}
std::string JoinFilename(const std::string& dir, const std::string& name) {
RTC_CHECK(!dir.empty()) << "Special cases not implemented.";
return dir + kPathDelimiter + name;
}
size_t GetFileSize(const std::string& filename) {
FILE* f = fopen(filename.c_str(), "rb");
size_t size = 0;
if (f != NULL) {
if (fseek(f, 0, SEEK_END) == 0) {
size = ftell(f);
}
fclose(f);
}
return size;
}
} // namespace test
} // namespace webrtc