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      1 /*
      2  * Copyright 2011 Google Inc. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef SFNTLY_CPP_SRC_SFNTLY_PORT_MEMORY_OUTPUT_STREAM_H_
     18 #define SFNTLY_CPP_SRC_SFNTLY_PORT_MEMORY_OUTPUT_STREAM_H_
     19 
     20 #include <cstddef>
     21 #include <vector>
     22 
     23 #include "sfntly/port/type.h"
     24 #include "sfntly/port/output_stream.h"
     25 
     26 namespace sfntly {
     27 
     28 // OutputStream backed by STL vector
     29 
     30 class MemoryOutputStream : public OutputStream {
     31  public:
     32   MemoryOutputStream();
     33   virtual ~MemoryOutputStream();
     34 
     35   virtual void Close() {}  // no-op
     36   virtual void Flush() {}  // no-op
     37   virtual void Write(ByteVector* buffer);
     38   virtual void Write(ByteVector* buffer, int32_t offset, int32_t length);
     39   virtual void Write(byte_t* buffer, int32_t offset, int32_t length);
     40   virtual void Write(byte_t b);
     41 
     42   byte_t* Get();
     43   size_t Size();
     44 
     45  private:
     46   std::vector<byte_t> store_;
     47 };
     48 
     49 }  // namespace sfntly
     50 
     51 #endif  // SFNTLY_CPP_SRC_SFNTLY_PORT_MEMORY_OUTPUT_STREAM_H_
     52