mirror of https://github.com/axmolengine/axmol.git
97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __SUPPORT_ZIPUTILS_H__
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#define __SUPPORT_ZIPUTILS_H__
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namespace cocos2d
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{
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/* XXX: pragma pack ??? */
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/** @struct CCZHeader
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*/
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struct CCZHeader {
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unsigned char sig[4]; // signature. Should be 'CCZ!' 4 bytes
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unsigned short compression_type; // should 0
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unsigned short version; // should be 2 (although version type==1 is also supported)
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unsigned int reserved; // Reserverd for users.
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unsigned int len; // size of the uncompressed file
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};
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enum {
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CCZ_COMPRESSION_ZLIB, // zlib format.
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CCZ_COMPRESSION_BZIP2, // bzip2 format (not supported yet)
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CCZ_COMPRESSION_GZIP, // gzip format (not supported yet)
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CCZ_COMPRESSION_NONE, // plain (not supported yet)
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};
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class ZipUtils
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{
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public:
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/**
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* Inflates either zlib or gzip deflated memory. The inflated memory is
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* expected to be freed by the caller.
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*
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* It will allocate 256k for the destination buffer. If it is not enought it will multiply the previous buffer size per 2, until there is enough memory.
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* @returns the length of the deflated buffer
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*
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@since v0.8.1
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*/
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static int ccInflateMemory(unsigned char *in, unsigned int inLength, unsigned char **out);
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/**
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* Inflates either zlib or gzip deflated memory. The inflated memory is
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* expected to be freed by the caller.
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*
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* outLenghtHint is assumed to be the needed room to allocate the inflated buffer.
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*
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* @returns the length of the deflated buffer
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*
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@since v1.0.0
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*/
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static int ccInflateMemoryWithHint(unsigned char *in, unsigned int inLength, unsigned char **out, unsigned int outLenghtHint);
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/** inflates a GZip file into memory
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*
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* @returns the length of the deflated buffer
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*
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* @since v0.99.5
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*/
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static int ccInflateGZipFile(const char *filename, unsigned char **out);
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/** inflates a CCZ file into memory
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*
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* @returns the length of the deflated buffer
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*
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* @since v0.99.5
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*/
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static int ccInflateCCZFile(const char *filename, unsigned char **out);
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private:
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static int ccInflateMemoryWithHint(unsigned char *in, unsigned int inLength, unsigned char **out, unsigned int *outLength,
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unsigned int outLenghtHint);
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};
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} // end of namespace cocos2d
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#endif // __PLATFORM_WOPHONE_ZIPUTILS_H__
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