text: // Copyright 2016 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_BUNDLE_FILE_RULE_H_
  #define TOOLS_GN_BUNDLE_FILE_RULE_H_
  
  #include <vector>
  
  #include "tools/gn/source_file.h"
  #include "tools/gn/substitution_pattern.h"
  
  class BundleData;
  class Settings;
  class SourceFile;
  class Target;
  class OutputFile;
  
  // BundleFileRule contains the information found in a "bundle_data" target.
  class BundleFileRule {
   public:
    BundleFileRule(const Target* bundle_data_target,
                   const std::vector<SourceFile> sources,
                   const SubstitutionPattern& pattern);
    BundleFileRule(const BundleFileRule& other);
    ~BundleFileRule();
  
    // Applies the substitution pattern to a source file, returning the result
    // as either a SourceFile or an OutputFile.
    bool ApplyPatternToSource(const Settings* settings,
                              const Target* target,
                              const BundleData& bundle_data,
                              const SourceFile& source_file,
                              SourceFile* expanded_source_file,
                              Err* err) const;
    bool ApplyPatternToSourceAsOutputFile(const Settings* settings,
                                          const Target* target,
                                          const BundleData& bundle_data,
                                          const SourceFile& source_file,
                                          OutputFile* expanded_output_file,
                                          Err* err) const;
  
    // Returns the associated target (of type Target::BUNDLE_DATA). May be
    // null during testing.
    const Target* target() const { return target_; }
  
    // Returns the list of SourceFiles.
    const std::vector<SourceFile>& sources() const { return sources_; }
  
   private:
    const Target* target_;
    std::vector<SourceFile> sources_;
    SubstitutionPattern pattern_;
  };
  
  #endif  // TOOLS_GN_BUNDLE_FILE_RULE_H_
  