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_INPUT_FILE_H_ 6 #define TOOLS_GN_INPUT_FILE_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/files/file_path.h" 12 #include "base/logging.h" 13 #include "tools/gn/source_dir.h" 14 #include "tools/gn/source_file.h" 15 16 class InputFile { 17 public: 18 InputFile(const SourceFile& name); 19 20 ~InputFile(); 21 22 // The virtual name passed into the constructor. This does not take into 23 // account whether the file was loaded from the secondary source tree (see 24 // BuildSettings secondary_source_path). name()25 const SourceFile& name() const { return name_; } 26 27 // The directory is just a cached version of name()->GetDir() but we get this 28 // a lot so computing it once up front saves a bunch of work. dir()29 const SourceDir& dir() const { return dir_; } 30 31 // The physical name tells the actual name on disk, if there is one. physical_name()32 const base::FilePath& physical_name() const { return physical_name_; } 33 34 // The friendly name can be set to override the name() in cases where there 35 // is no name (like SetContents is used instead) or if the name doesn't 36 // make sense. This will be displayed in error messages. friendly_name()37 const std::string& friendly_name() const { return friendly_name_; } set_friendly_name(const std::string & f)38 void set_friendly_name(const std::string& f) { friendly_name_ = f; } 39 contents()40 const std::string& contents() const { 41 DCHECK(contents_loaded_); 42 return contents_; 43 } 44 45 // For testing and in cases where this input doesn't actually refer to 46 // "a file". 47 void SetContents(const std::string& c); 48 49 // Loads the given file synchronously, returning true on success. This 50 bool Load(const base::FilePath& system_path); 51 52 private: 53 SourceFile name_; 54 SourceDir dir_; 55 56 base::FilePath physical_name_; 57 std::string friendly_name_; 58 59 bool contents_loaded_; 60 std::string contents_; 61 62 DISALLOW_COPY_AND_ASSIGN(InputFile); 63 }; 64 65 #endif // TOOLS_GN_INPUT_FILE_H_ 66