| // 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_CONFIG_VALUES_EXTRACTORS_H_ |
| #define TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_ |
| |
| #include <ostream> |
| #include <string> |
| #include <vector> |
| |
| #include "tools/gn/config.h" |
| #include "tools/gn/config_values.h" |
| #include "tools/gn/target.h" |
| |
| template<typename T, class Writer> |
| inline void ConfigValuesToStream( |
| const ConfigValues& values, |
| const std::vector<T>& (ConfigValues::* getter)() const, |
| const Writer& writer, |
| std::ostream& out) { |
| const std::vector<T>& v = (values.*getter)(); |
| for (size_t i = 0; i < v.size(); i++) |
| writer(v[i], out); |
| }; |
| |
| // Writes a given config value that applies to a given target. This collects |
| // all values from the target itself and all configs that apply, and writes |
| // then in order. |
| template<typename T, class Writer> |
| inline void RecursiveTargetConfigToStream( |
| const Target* target, |
| const std::vector<T>& (ConfigValues::* getter)() const, |
| const Writer& writer, |
| std::ostream& out) { |
| // Note: if you make any changes to this, also change the writer in the |
| // implementation of the "desc" command. |
| |
| // First write the values from the config itself. |
| ConfigValuesToStream(target->config_values(), getter, writer, out); |
| |
| // Then write the configs in order. |
| for (size_t i = 0; i < target->configs().size(); i++) { |
| ConfigValuesToStream(target->configs()[i]->config_values(), getter, |
| writer, out); |
| } |
| } |
| |
| // Writes the values out as strings with no transformation. |
| void RecursiveTargetConfigStringsToStream( |
| const Target* target, |
| const std::vector<std::string>& (ConfigValues::* getter)() const, |
| std::ostream& out); |
| |
| #endif // TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_ |