1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_ 6 #define TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_ 7 8 #include <ostream> 9 #include <string> 10 #include <vector> 11 12 #include "tools/gn/config.h" 13 #include "tools/gn/config_values.h" 14 #include "tools/gn/target.h" 15 16 template<typename T, class Writer> 17 inline void ConfigValuesToStream( 18 const ConfigValues& values, 19 const std::vector<T>& (ConfigValues::* getter)() const, 20 const Writer& writer, 21 std::ostream& out) { 22 const std::vector<T>& v = (values.*getter)(); 23 for (size_t i = 0; i < v.size(); i++) 24 writer(v[i], out); 25 }; 26 27 // Writes a given config value that applies to a given target. This collects 28 // all values from the target itself and all configs that apply, and writes 29 // then in order. 30 template<typename T, class Writer> 31 inline void RecursiveTargetConfigToStream( 32 const Target* target, 33 const std::vector<T>& (ConfigValues::* getter)() const, 34 const Writer& writer, 35 std::ostream& out) { 36 // Note: if you make any changes to this, also change the writer in the 37 // implementation of the "desc" command. 38 39 // First write the values from the config itself. 40 ConfigValuesToStream(target->config_values(), getter, writer, out); 41 42 // Then write the configs in order. 43 for (size_t i = 0; i < target->configs().size(); i++) { 44 ConfigValuesToStream(target->configs()[i]->config_values(), getter, 45 writer, out); 46 } 47 } 48 49 // Writes the values out as strings with no transformation. 50 void RecursiveTargetConfigStringsToStream( 51 const Target* target, 52 const std::vector<std::string>& (ConfigValues::* getter)() const, 53 std::ostream& out); 54 55 #endif // TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_ 56
