blob: 68bd5f508c280438d2f27cee35535c2b0d2030f9 [file] [log] [blame]
// Copyright 2011 The Goma 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 <string>
#include <vector>
#include "absl/strings/string_view.h"
#include "base/basictypes.h"
using std::string;
namespace devtools_goma {
class PathResolver {
enum PathSeparatorType {
kPosixPathSep = '/',
kWin32PathSep = '\\',
enum PathCaseType {
// Convert path to platform specific format of running platform.
static string PlatformConvert(const string& path);
static void PlatformConvertToString(const string& path, string* OUTPUT);
// Convert path to platform specific format specified by |path_type|.
// |case_type| to specify how the path should be normalized.
// Note that |path_type|==kPosixPathSep will convert \ to /, so user couldn't
// use \ in the path.
// TODO: fix this.
static string PlatformConvert(const string& path,
PathSeparatorType sep_type,
PathCaseType case_type);
static void PlatformConvertToString(const string& path,
PathSeparatorType sep_type,
PathCaseType case_type,
string* OUTPUT);
// Removes . and .. from |path|.
static string ResolvePath(absl::string_view path);
// Removes . and .. from |path|.
// |sep_type| is used for notifying ResolvePath separator type.
// If kPosixPathSep is given, ResolvePath uses '/' as a path separator.
// If kWin32PathSep is given, ResolvePath uses '/' and '\\' as path
// separators, and paths are joined with '\\'.
static string ResolvePath(absl::string_view path, PathSeparatorType sep_type);
// Returns relative path from cwd.
// If path and cwd doesn't share any directory hierarchy, returns path as is,
// instead of relative path.
// If path is already relative, returns path as is.
// Note that if cwd is not real path (i.e, it contains symbolic link),
// relative path may point different file.
static string WeakRelativePath(const string& path, const string& cwd);
// Returns true if path is under system paths.
bool IsSystemPath(const string& path) const;
// Registers path as system path.
void RegisterSystemPath(const string& path);
static const char kPathSep;
std::vector<string> system_paths_;
}; // namespace devtools_goma