1 /* |
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2 * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 * contributor license agreements. See the NOTICE file distributed with |
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4 * this work for additional information regarding copyright ownership. |
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5 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 * (the "License"); you may not use this file except in compliance with |
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7 * the License. You may obtain a copy of the License at |
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8 * |
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9 * http://www.apache.org/licenses/LICENSE-2.0 |
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10 * |
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11 * Unless required by applicable law or agreed to in writing, software |
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12 * distributed under the License is distributed on an "AS IS" BASIS, |
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13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 * See the License for the specific language governing permissions and |
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15 * limitations under the License. |
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16 */ |
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17 |
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18 /* |
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19 * $Id: BinMemOutputStream.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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20 */ |
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21 |
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22 #ifndef BINMEMOUTPUTSTREAM_HEADER_GUARD_ |
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23 #define BINMEMOUTPUTSTREAM_HEADER_GUARD_ |
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24 |
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25 #include <xercesc/framework/BinOutputStream.hpp> |
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26 #include <xercesc/util/PlatformUtils.hpp> |
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27 |
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28 XERCES_CPP_NAMESPACE_BEGIN |
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29 |
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30 class XMLUTIL_EXPORT BinMemOutputStream : public BinOutputStream |
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31 { |
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32 public : |
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33 // ----------------------------------------------------------------------- |
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34 // Constructors and Destructor |
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35 // ----------------------------------------------------------------------- |
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36 |
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37 ~BinMemOutputStream(); |
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38 |
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39 BinMemOutputStream |
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40 ( |
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41 int initCapacity = 1023 |
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42 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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43 ); |
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44 |
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45 // ----------------------------------------------------------------------- |
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46 // Implementation of the output stream interface |
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47 // ----------------------------------------------------------------------- |
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48 virtual unsigned int curPos() const; |
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49 |
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50 virtual void writeBytes |
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51 ( |
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52 const XMLByte* const toGo |
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53 , const unsigned int maxToWrite |
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54 ) ; |
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55 |
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56 // ----------------------------------------------------------------------- |
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57 // Getter methods |
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58 // ----------------------------------------------------------------------- |
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59 const XMLByte* getRawBuffer() const; |
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60 |
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61 unsigned int getSize() const; |
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62 void reset(); |
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63 |
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64 private : |
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65 // ----------------------------------------------------------------------- |
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66 // Unimplemented methods. |
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67 // ----------------------------------------------------------------------- |
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68 BinMemOutputStream(const BinMemOutputStream&); |
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69 BinMemOutputStream& operator=(const BinMemOutputStream&); |
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70 |
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71 // ----------------------------------------------------------------------- |
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72 // Private helpers |
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73 // ----------------------------------------------------------------------- |
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74 void insureCapacity(const unsigned int extraNeeded); |
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75 |
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76 // ----------------------------------------------------------------------- |
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77 // Private data members |
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78 // |
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79 // fDataBuf |
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80 // The pointer to the buffer data. Its grown as needed. Its always |
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81 // one larger than fCapacity, to leave room for the null terminator. |
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82 // |
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83 // fIndex |
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84 // The current index into the buffer, as characters are appended |
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85 // to it. If its zero, then the buffer is empty. |
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86 // |
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87 // fCapacity |
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88 // The current capacity of the buffer. Its actually always one |
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89 // larger, to leave room for the null terminator. |
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90 // |
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91 // ----------------------------------------------------------------------- |
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92 MemoryManager* fMemoryManager; |
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93 XMLByte* fDataBuf; |
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94 unsigned int fIndex; |
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95 unsigned int fCapacity; |
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96 |
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97 }; |
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98 |
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99 |
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100 XERCES_CPP_NAMESPACE_END |
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101 |
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102 #endif |
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103 |
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