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 //

 // 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 <stddef.h>

 #include <vector>

 namespace pp

 {

 // Holds and reads input for Lexer.

 class Input

 {

   public:

     Input();

     Input(size_t count, const char* const string[], const int length[]);

     size_t count() const { return mCount; }

     const char* string(size_t index) const { return mString[index]; }

     size_t length(size_t index) const { return mLength[index]; }

     size_t read(char* buf, size_t maxSize);

     struct Location

     {

         size_t sIndex;  // String index;

         size_t cIndex;  // Char index.

         Location() : sIndex(0), cIndex(0) { }

     };

     const Location& readLoc() const { return mReadLoc; }

   private:

     // Input.

     size_t mCount;

     const char* const* mString;

     std::vector<size_t> mLength;

     Location mReadLoc;

 };

 }  // namespace pp

 #endif  // COMPILER_PREPROCESSOR_INPUT_H_