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

trunk/src/tools/gn/escape.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_ESCAPE_H_
-#define TOOLS_GN_ESCAPE_H_
-
-#include <iosfwd>
-
-#include "base/strings/string_piece.h"
-
-// TODO(brettw) we may need to make this a bitfield. If we want to write a
-// shell command in a ninja file, we need the shell characters to be escaped,
-// and THEN the ninja characters. Or maybe we require the caller to do two
-// passes.
-enum EscapingMode {
-  ESCAPE_NONE,   // No escaping.
-  ESCAPE_NINJA,  // Ninja string escaping.
-  ESCAPE_SHELL,  // Shell string escaping.
-};
-
-struct EscapeOptions {
-  EscapeOptions()
-      : mode(ESCAPE_NONE),
-        convert_slashes(false),
-        inhibit_quoting(false) {
-  }
-
-  EscapingMode mode;
-
-  // When set, converts forward-slashes to system-specific path separators.
-  bool convert_slashes;
-
-  // When the escaping mode is ESCAPE_SHELL, the escaper will normally put
-  // quotes around things with spaces. If this value is set to true, we'll
-  // disable the quoting feature and just add the spaces.
-  //
-  // This mode is for when quoting is done at some higher-level. Defaults to
-  // false.
-  bool inhibit_quoting;
-};
-
-// Escapes the given input, returnining the result.
-std::string EscapeString(const base::StringPiece& str,
-                         const EscapeOptions& options);
-
-// Same as EscapeString but writes the results to the given stream, saving a
-// copy.
-void EscapeStringToStream(std::ostream& out,
-                          const base::StringPiece& str,
-                          const EscapeOptions& options);
-
-#endif  // TOOLS_GN_ESCAPE_H_