65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
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// 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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#include "tools/gn/ninja_copy_target_writer.h"
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#include "base/strings/string_util.h"
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#include "tools/gn/string_utils.h"
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NinjaCopyTargetWriter::NinjaCopyTargetWriter(const Target* target,
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std::ostream& out)
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: NinjaTargetWriter(target, out) {
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}
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NinjaCopyTargetWriter::~NinjaCopyTargetWriter() {
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}
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void NinjaCopyTargetWriter::Run() {
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// The dest dir should be inside the output dir so we can just remove the
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// prefix and get ninja-relative paths.
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const std::string& output_dir =
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settings_->build_settings()->build_dir().value();
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const std::string& dest_dir = target_->destdir().value();
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DCHECK(StartsWithASCII(dest_dir, output_dir, true));
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std::string relative_dest_dir(&dest_dir[output_dir.size()],
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dest_dir.size() - output_dir.size());
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const Target::FileList& sources = target_->sources();
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std::vector<OutputFile> dest_files;
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dest_files.reserve(sources.size());
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// Write out rules for each file copied.
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for (size_t i = 0; i < sources.size(); i++) {
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const SourceFile& input_file = sources[i];
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// The files should have the same name but in the dest dir.
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base::StringPiece name_part = FindFilename(&input_file.value());
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OutputFile dest_file(relative_dest_dir);
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AppendStringPiece(&dest_file.value(), name_part);
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dest_files.push_back(dest_file);
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out_ << "build ";
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path_output_.WriteFile(out_, dest_file);
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out_ << ": copy ";
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path_output_.WriteFile(out_, input_file);
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out_ << std::endl;
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}
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// Write out the rule for the target to copy all of them.
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out_ << std::endl << "build ";
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path_output_.WriteFile(out_, helper_.GetTargetOutputFile(target_));
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out_ << ": stamp";
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for (size_t i = 0; i < dest_files.size(); i++) {
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out_ << " ";
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path_output_.WriteFile(out_, dest_files[i]);
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}
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out_ << std::endl;
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// TODO(brettw) need some kind of stamp file for depending on this, as well
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// as order_only=prebuild.
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// TODO(brettw) also need to write out the dependencies of this rule (maybe
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// we're copying output files around).
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}
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