rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/test/testsupport/fileutils.cc

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2016-06-21 20:13:05 +00:00
/*
* 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 "webrtc/test/testsupport/fileutils.h"
#include <assert.h>
#ifdef WIN32
#include <direct.h>
#include <tchar.h>
#include <windows.h>
#include <algorithm>
#include "webrtc/system_wrappers/include/utf_util_win.h"
#define GET_CURRENT_DIR _getcwd
#else
#include <unistd.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 <string.h>
#include <memory>
#include "webrtc/typedefs.h" // For architecture defines
namespace webrtc {
namespace test {
#if defined(WEBRTC_IOS)
// Defined in iosfileutils.mm. No header file to discourage use elsewhere.
std::string IOSOutputPath();
std::string IOSResourcePath(std::string name, std::string extension);
#endif
namespace {
#ifdef WIN32
const char* kPathDelimiter = "\\";
#else
const char* kPathDelimiter = "/";
#endif
#ifdef WEBRTC_ANDROID
const char* kRootDirName = "/sdcard/chromium_tests_root/";
#else
// The file we're looking for to identify the project root dir.
const char* kProjectRootFileName = "DEPS";
#if !defined(WEBRTC_IOS)
const char* kOutputDirName = "out";
#endif
const char* kFallbackPath = "./";
#endif // !defined(WEBRTC_ANDROID)
#if !defined(WEBRTC_IOS)
const char* kResourcesDirName = "resources";
#endif
char relative_dir_path[FILENAME_MAX];
bool relative_dir_path_set = false;
} // namespace
const char* kCannotFindProjectRootDir = "ERROR_CANNOT_FIND_PROJECT_ROOT_DIR";
void SetExecutablePath(const std::string& path) {
std::string working_dir = WorkingDir();
std::string temp_path = path;
// Handle absolute paths; convert them to relative paths to the working dir.
if (path.find(working_dir) != std::string::npos) {
temp_path = path.substr(working_dir.length() + 1);
}
// On Windows, when tests are run under memory tools like DrMemory and TSan,
// slashes occur in the path as directory separators. Make sure we replace
// such cases with backslashes in order for the paths to be correct.
#ifdef WIN32
std::replace(temp_path.begin(), temp_path.end(), '/', '\\');
#endif
// Trim away the executable name; only store the relative dir path.
temp_path = temp_path.substr(0, temp_path.find_last_of(kPathDelimiter));
strncpy(relative_dir_path, temp_path.c_str(), FILENAME_MAX);
relative_dir_path_set = true;
}
bool FileExists(std::string& file_name) {
struct stat file_info = {0};
return stat(file_name.c_str(), &file_info) == 0;
}
#ifdef WEBRTC_ANDROID
std::string ProjectRootPath() {
return kRootDirName;
}
std::string OutputPath() {
return kRootDirName;
}
std::string WorkingDir() {
return kRootDirName;
}
#else // WEBRTC_ANDROID
std::string ProjectRootPath() {
std::string path = WorkingDir();
if (path == kFallbackPath) {
return kCannotFindProjectRootDir;
}
if (relative_dir_path_set) {
path = path + kPathDelimiter + relative_dir_path;
}
// Check for our file that verifies the root dir.
size_t path_delimiter_index = path.find_last_of(kPathDelimiter);
while (path_delimiter_index != std::string::npos) {
std::string root_filename = path + kPathDelimiter + kProjectRootFileName;
if (FileExists(root_filename)) {
return path + kPathDelimiter;
}
// Move up one directory in the directory tree.
path = path.substr(0, path_delimiter_index);
path_delimiter_index = path.find_last_of(kPathDelimiter);
}
// Reached the root directory.
fprintf(stderr, "Cannot find project root directory!\n");
return kCannotFindProjectRootDir;
}
std::string OutputPath() {
#if defined(WEBRTC_IOS)
return IOSOutputPath();
#else
std::string path = ProjectRootPath();
if (path == kCannotFindProjectRootDir) {
return kFallbackPath;
}
path += kOutputDirName;
if (!CreateDir(path)) {
return kFallbackPath;
}
return path + kPathDelimiter;
#endif
}
std::string WorkingDir() {
char path_buffer[FILENAME_MAX];
if (!GET_CURRENT_DIR(path_buffer, sizeof(path_buffer))) {
fprintf(stderr, "Cannot get current directory!\n");
return kFallbackPath;
} else {
return std::string(path_buffer);
}
}
#endif // !WEBRTC_ANDROID
// 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 (::GetTempFileName(ToUtf16(dir).c_str(),
ToUtf16(prefix).c_str(), 0, filename) != 0)
return 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
}
bool CreateDir(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;
}
std::string ResourcePath(std::string name, std::string extension) {
#if defined(WEBRTC_IOS)
return IOSResourcePath(name, extension);
#else
std::string platform = "win";
#ifdef WEBRTC_LINUX
platform = "linux";
#endif // WEBRTC_LINUX
#ifdef WEBRTC_MAC
platform = "mac";
#endif // WEBRTC_MAC
#ifdef WEBRTC_ANDROID
platform = "android";
#endif // WEBRTC_ANDROID
#ifdef WEBRTC_ARCH_64_BITS
std::string architecture = "64";
#else
std::string architecture = "32";
#endif // WEBRTC_ARCH_64_BITS
std::string resources_path = ProjectRootPath() + kResourcesDirName +
kPathDelimiter;
std::string resource_file = resources_path + name + "_" + platform + "_" +
architecture + "." + extension;
if (FileExists(resource_file)) {
return resource_file;
}
// Try without architecture.
resource_file = resources_path + name + "_" + platform + "." + extension;
if (FileExists(resource_file)) {
return resource_file;
}
// Try without platform.
resource_file = resources_path + name + "_" + architecture + "." + extension;
if (FileExists(resource_file)) {
return resource_file;
}
// Fall back on name without architecture or platform.
return resources_path + name + "." + extension;
#endif // defined (WEBRTC_IOS)
}
size_t GetFileSize(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