kc3-lang/angle/src/compiler/preprocessor/new/Input.h

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• Author : alokp@chromium.org
  Date : 2012-05-02 17:30:46
  Hash : 30a487c7
  Message : Minor refactoring for Input class. Chnaged a raw array to std::vector. git-svn-id: https://angleproject.googlecode.com/svn/trunk@1068 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/compiler/preprocessor/new/Input.h

• //
  // Copyright (c) 2011 The ANGLE Project 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 COMPILER_PREPROCESSOR_INPUT_H_
  #define COMPILER_PREPROCESSOR_INPUT_H_
  
  #include <vector>
  
  namespace pp
  {
  
  // Holds and reads input for Lexer.
  class Input
  {
    public:
      Input();
      Input(int count, const char* const string[], const int length[]);
  
      int count() const { return mCount; }
      const char* string(int index) const { return mString[index]; }
      int length(int index) const { return mLength[index]; }
  
      int read(char* buf, int maxSize);
  
      struct Location
      {
          int sIndex;  // String index;
          int cIndex;  // Char index.
  
          Location() : sIndex(0), cIndex(0) { }
      };
      const Location& readLoc() const { return mReadLoc; }
  
    private:
      // Input.
      int mCount;
      const char* const* mString;
      std::vector<int> mLength;
  
      Location mReadLoc;
  };
  
  }  // namespace pp
  #endif  // COMPILER_PREPROCESSOR_INPUT_H_