| 71 | //----------------------------------------------------------------------------- |
| 72 | |
| 73 | bool FileHeader::readExtraFields(Stream *stream, U16 efLen) |
| 74 | { |
| 75 | bool ret = true; |
| 76 | |
| 77 | U32 pos = stream->getPosition(); |
| 78 | U32 end = pos + efLen; |
| 79 | |
| 80 | while(stream->getPosition() < end) |
| 81 | { |
| 82 | U16 fieldSig, fieldSize; |
| 83 | |
| 84 | ret = false; |
| 85 | |
| 86 | ret |= stream->read(&fieldSig); |
| 87 | ret |= stream->read(&fieldSize); |
| 88 | if(! ret) |
| 89 | break; |
| 90 | |
| 91 | pos = stream->getPosition(); |
| 92 | |
| 93 | ExtraField *ef = ExtraField::create(fieldSig); |
| 94 | if(ef) |
| 95 | { |
| 96 | ret |= ef->read(stream); |
| 97 | |
| 98 | if(! ret) |
| 99 | delete ef; |
| 100 | else |
| 101 | mExtraFields.push_back(ef); |
| 102 | } |
| 103 | |
| 104 | stream->setPosition(pos + fieldSize); |
| 105 | } |
| 106 | |
| 107 | return ret; |
| 108 | } |
| 109 | |
| 110 | //----------------------------------------------------------------------------- |
| 111 | // Public Methods |
nothing calls this directly
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