Revert 214254 "Add initial prototype for the GN meta-buildsystem."

trunk/src/tools/gn/filesystem_utils.h

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef TOOLS_GN_FILESYSTEM_UTILS_H_
-#define TOOLS_GN_FILESYSTEM_UTILS_H_
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "base/strings/string_piece.h"
-#include "tools/gn/settings.h"
-#include "tools/gn/target.h"
-
-class Err;
-class Location;
-class Value;
-
-enum SourceFileType {
-  SOURCE_UNKNOWN,
-  SOURCE_ASM,
-  SOURCE_C,
-  SOURCE_CC,
-  SOURCE_H,
-  SOURCE_M,
-  SOURCE_MM,
-  //SOURCE_S,  // TODO(brettw) what is this?
-  SOURCE_RC,
-};
-
-SourceFileType GetSourceFileType(const SourceFile& file,
-                                 Settings::TargetOS os);
-
-// Returns the extension, not including the dot, for the given file type on the
-// given system.
-//
-// Some targets make multiple files (like a .dll and an import library). This
-// function returns the name of the file other targets should depend on and
-// link to (so in this example, the import library).
-const char* GetExtensionForOutputType(Target::OutputType type,
-                                      Settings::TargetOS os);
-
-std::string FilePathToUTF8(const base::FilePath& path);
-base::FilePath UTF8ToFilePath(const base::StringPiece& sp);
-
-// Extensions -----------------------------------------------------------------
-
-// Returns the index of the extension (character after the last dot not after a
-// slash). Returns std::string::npos if not found. Returns path.size() if the
-// file ends with a dot.
-size_t FindExtensionOffset(const std::string& path);
-
-// Returns a string piece pointing into the input string identifying the
-// extension. Note that the input pointer must outlive the output.
-base::StringPiece FindExtension(const std::string* path);
-
-// Filename parts -------------------------------------------------------------
-
-// Returns the offset of the character following the last slash, or
-// 0 if no slash was found. Returns path.size() if the path ends with a slash.
-// Note that the input pointer must outlive the output.
-size_t FindFilenameOffset(const std::string& path);
-
-// Returns a string piece pointing into the input string identifying the
-// file name (following the last slash, including the extension). Note that the
-// input pointer must outlive the output.
-base::StringPiece FindFilename(const std::string* path);
-
-// Like FindFilename but does not include the extension.
-base::StringPiece FindFilenameNoExtension(const std::string* path);
-
-// Removes everything after the last slash. The last slash, if any, will be
-// preserved.
-void RemoveFilename(std::string* path);
-
-// Returns true if the given path ends with a slash.
-bool EndsWithSlash(const std::string& s);
-
-// Path parts -----------------------------------------------------------------
-
-// Returns a string piece pointing into the input string identifying the
-// directory name of the given path, including the last slash. Note that the
-// input pointer must outlive the output.
-base::StringPiece FindDir(const std::string* path);
-
-// Verifies that the given string references a file inside of the given
-// directory. This is pretty stupid and doesn't handle "." and "..", etc.,
-// it is designed for a sanity check to keep people from writing output files
-// to the source directory accidentally.
-//
-// The originating value will be blamed in the error.
-//
-// If the file isn't in the dir, returns false and sets the error. Otherwise
-// returns true and leaves the error untouched.
-bool EnsureStringIsInOutputDir(const SourceDir& dir,
-                               const std::string& str,
-                               const Value& originating,
-                               Err* err);
-
-// ----------------------------------------------------------------------------
-
-// Converts a directory to its inverse (e.g. "/foo/bar/" -> "../../").
-// This will be the empty string for the root directories ("/" and "//"), and
-// in all other cases, this is guaranteed to end in a slash.
-std::string InvertDir(const SourceDir& dir);
-
-// Collapses "." and sequential "/"s and evaluates "..".
-void NormalizePath(std::string* path);
-
-// Converts slashes to backslashes for Windows. Keeps the string unchanged
-// for other systems.
-void ConvertPathToSystem(std::string* path);
-std::string PathToSystem(const std::string& path);
-
-#endif  // TOOLS_GN_FILESYSTEM_UTILS_H_