130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/* 230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Copyright 2011 Google Inc. All Rights Reserved. 330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Licensed under the Apache License, Version 2.0 (the "License"); 530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * you may not use this file except in compliance with the License. 630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * You may obtain a copy of the License at 730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * http://www.apache.org/licenses/LICENSE-2.0 930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 1030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Unless required by applicable law or agreed to in writing, software 1130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * distributed under the License is distributed on an "AS IS" BASIS, 1230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * See the License for the specific language governing permissions and 1430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * limitations under the License. 1530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun */ 1630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/data/memory_byte_array.h" 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <string.h> 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunMemoryByteArray::MemoryByteArray(int32_t length) 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : ByteArray(0, length), b_(NULL), allocated_(true) { 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunMemoryByteArray::MemoryByteArray(byte_t* b, int32_t filled_length) 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : ByteArray(filled_length, filled_length), b_(b), allocated_(false) { 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(b); 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunMemoryByteArray::~MemoryByteArray() { 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Close(); 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t MemoryByteArray::CopyTo(OutputStream* os, 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset, 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t length) { 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(os); 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun os->Write(b_, offset, length); 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return length; 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid MemoryByteArray::Init() { 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (allocated_ && b_ == NULL) { 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun b_ = new byte_t[Size()]; 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun memset(b_, 0, Size()); 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid MemoryByteArray::InternalPut(int32_t index, byte_t b) { 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Init(); 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun b_[index] = b; 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t MemoryByteArray::InternalPut(int32_t index, 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun byte_t* b, 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset, 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t length) { 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(b); 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Init(); 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun memcpy(b_ + index, b + offset, length); 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return length; 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbyte_t MemoryByteArray::InternalGet(int32_t index) { 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Init(); 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return b_[index]; 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t MemoryByteArray::InternalGet(int32_t index, 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun byte_t* b, 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset, 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t length) { 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(b); 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Init(); 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun memcpy(b + offset, b_ + index, length); 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return length; 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid MemoryByteArray::Close() { 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (allocated_ && b_) { 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun delete[] b_; 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun b_ = NULL; 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbyte_t* MemoryByteArray::Begin() { 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Init(); 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return b_; 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 94