Line data    Source code

       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_DATA_GROWABLE_MEMORY_BYTE_ARRAY_H_
      18             : #define SFNTLY_CPP_SRC_SFNTLY_DATA_GROWABLE_MEMORY_BYTE_ARRAY_H_
      19             : 
      20             : #include "sfntly/data/byte_array.h"
      21             : 
      22             : namespace sfntly {
      23             : 
      24             : // Note: This is not really a port of Java version. Instead, this wraps a
      25             : //       std::vector inside and let it grow by calling resize().
      26             : class GrowableMemoryByteArray : public ByteArray,
      27             :                                 public RefCounted<GrowableMemoryByteArray> {
      28             :  public:
      29             :   GrowableMemoryByteArray();
      30             :   virtual ~GrowableMemoryByteArray();
      31             :   virtual int32_t CopyTo(OutputStream* os, int32_t offset, int32_t length);
      32             : 
      33             :   // Make gcc -Woverloaded-virtual happy.
      34           0 :   virtual int32_t CopyTo(ByteArray* array) { return ByteArray::CopyTo(array); }
      35           0 :   virtual int32_t CopyTo(ByteArray* array, int32_t offset, int32_t length) {
      36           0 :     return ByteArray::CopyTo(array, offset, length);
      37             :   }
      38           0 :   virtual int32_t CopyTo(int32_t dst_offset,
      39             :                          ByteArray* array,
      40             :                          int32_t src_offset,
      41             :                          int32_t length) {
      42           0 :     return ByteArray::CopyTo(dst_offset, array, src_offset, length);
      43             :   }
      44           0 :   virtual int32_t CopyTo(OutputStream* os) { return ByteArray::CopyTo(os); }
      45             : 
      46             :  protected:
      47             :   virtual void InternalPut(int32_t index, byte_t b);
      48             :   virtual int32_t InternalPut(int32_t index,
      49             :                               byte_t* b,
      50             :                               int32_t offset,
      51             :                               int32_t length);
      52             :   virtual byte_t InternalGet(int32_t index);
      53             :   virtual int32_t InternalGet(int32_t index,
      54             :                               byte_t* b,
      55             :                               int32_t offset,
      56             :                               int32_t length);
      57             :   virtual void Close();
      58             :   virtual byte_t* Begin();
      59             : 
      60             :  private:
      61             :   ByteVector b_;
      62             : };
      63             : 
      64             : }  // namespace sfntly
      65             : 
      66             : #endif  // SFNTLY_CPP_SRC_SFNTLY_DATA_GROWABLE_MEMORY_BYTE_ARRAY_H_