blob: 01b5d9a5a78937e913710e01be9101593dd6cd5d [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/fml/paths.h"
#include <windows.h>
#include <algorithm>
#include "flutter/fml/paths.h"
#include "flutter/fml/platform/win/wstring_conversion.h"
namespace fml {
namespace paths {
namespace {
constexpr char kFileURLPrefix[] = "file:///";
constexpr size_t kFileURLPrefixLength = sizeof(kFileURLPrefix) - 1;
size_t RootLength(const std::string& path) {
if (path.empty())
return 0;
if (path[0] == '/')
return 1;
if (path[0] == '\\') {
if (path.size() < 2 || path[1] != '\\')
return 1;
// The path is a network share. Search for up to two '\'s, as they are
// the server and share - and part of the root part.
size_t index = path.find('\\', 2);
if (index > 0) {
index = path.find('\\', index + 1);
if (index > 0)
return index;
}
return path.size();
}
// If the path is of the form 'C:/' or 'C:\', with C being any letter, it's
// a root part.
if (path.length() >= 2 && path[1] == ':' &&
(path[2] == '/' || path[2] == '\\') &&
((path[0] >= 'A' && path[0] <= 'Z') ||
(path[0] >= 'a' && path[0] <= 'z'))) {
return 3;
}
return 0;
}
size_t LastSeparator(const std::string& path) {
return path.find_last_of("/\\");
}
} // namespace
std::pair<bool, std::string> GetExecutablePath() {
HMODULE module = GetModuleHandle(NULL);
if (module == NULL) {
return {false, ""};
}
wchar_t path[MAX_PATH];
DWORD read_size = GetModuleFileNameW(module, path, MAX_PATH);
if (read_size == 0 || read_size == MAX_PATH) {
return {false, ""};
}
return {true, WideStringToUtf8({path, read_size})};
}
std::string AbsolutePath(const std::string& path) {
char absPath[MAX_PATH];
_fullpath(absPath, path.c_str(), MAX_PATH);
return std::string(absPath);
}
std::string GetDirectoryName(const std::string& path) {
size_t rootLength = RootLength(path);
size_t separator = LastSeparator(path);
if (separator < rootLength)
separator = rootLength;
if (separator == std::string::npos)
return std::string();
return path.substr(0, separator);
}
std::string FromURI(const std::string& uri) {
if (uri.substr(0, kFileURLPrefixLength) != kFileURLPrefix)
return uri;
std::string file_path = uri.substr(kFileURLPrefixLength);
std::replace(file_path.begin(), file_path.end(), '/', '\\');
return SanitizeURIEscapedCharacters(file_path);
}
fml::UniqueFD GetCachesDirectory() {
// Unsupported on this platform.
return {};
}
} // namespace paths
} // namespace fml