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// 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"
struct EscapeOptions;
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,
const EscapeOptions& escape_options,
std::ostream& out);
#endif // TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_
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