59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_
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#define TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_
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#include <ostream>
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#include <string>
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#include <vector>
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#include "tools/gn/config.h"
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#include "tools/gn/config_values.h"
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#include "tools/gn/target.h"
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struct EscapeOptions;
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template<typename T, class Writer>
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inline void ConfigValuesToStream(
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const ConfigValues& values,
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const std::vector<T>& (ConfigValues::* getter)() const,
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const Writer& writer,
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std::ostream& out) {
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const std::vector<T>& v = (values.*getter)();
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for (size_t i = 0; i < v.size(); i++)
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writer(v[i], out);
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};
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// Writes a given config value that applies to a given target. This collects
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// all values from the target itself and all configs that apply, and writes
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// then in order.
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template<typename T, class Writer>
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inline void RecursiveTargetConfigToStream(
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const Target* target,
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const std::vector<T>& (ConfigValues::* getter)() const,
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const Writer& writer,
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std::ostream& out) {
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// Note: if you make any changes to this, also change the writer in the
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// implementation of the "desc" command.
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// First write the values from the config itself.
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ConfigValuesToStream(target->config_values(), getter, writer, out);
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// Then write the configs in order.
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for (size_t i = 0; i < target->configs().size(); i++) {
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ConfigValuesToStream(target->configs()[i]->config_values(), getter,
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writer, out);
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}
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}
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// Writes the values out as strings with no transformation.
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void RecursiveTargetConfigStringsToStream(
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const Target* target,
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const std::vector<std::string>& (ConfigValues::* getter)() const,
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const EscapeOptions& escape_options,
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std::ostream& out);
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#endif // TOOLS_GN_CONFIG_VALUES_EXTRACTORS_H_
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