| Qore Programming Language Reference Manual 1.0.8

ql_compression.dox.h
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3 namespace Qore {
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21 binary bunzip2_to_binary(binary bin);
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28 nothing bunzip2_to_binary();
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43 string bunzip2_to_string(binary bin, *string encoding);
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50 nothing bunzip2_to_string();
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66 binary bzip2(binary bin, softint level = BZ2_DEFAULT_COMPRESSION);
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84 binary bzip2(string str, softint level = BZ2_DEFAULT_COMPRESSION);
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91 nothing bzip2();
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109 binary compress(string str, int level = Z_DEFAULT_COMPRESSION);
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127 binary compress(binary bin, int level = Z_DEFAULT_COMPRESSION);
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134 nothing compress();
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152 Transform get_compressor(string alg, int level = COMPRESSION_LEVEL_DEFAULT);
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169 Transform get_decompressor(string alg);
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183 binary gunzip_to_binary(binary bin);
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190 nothing gunzip_to_binary();
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205 string gunzip_to_string(binary bin, *string encoding);
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212 nothing gunzip_to_string();
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230 binary gzip(string str, int level = Z_DEFAULT_COMPRESSION);
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246 binary gzip(binary bin, int level = Z_DEFAULT_COMPRESSION);
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253 nothing gzip();
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267 binary uncompress_to_binary(binary bin);
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274 nothing uncompress_to_binary();
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289 string uncompress_to_string(binary bin, *string encoding);
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296 nothing uncompress_to_string();
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299 }
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302 namespace Qore {
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307 const BZ2_DEFAULT_COMPRESSION = BZ2_DEFAULT_COMPRESSION;
310 const COMPRESSION_LEVEL_DEFAULT = COMPRESSION_LEVEL_DEFAULT;
312 const Z_DEFAULT_COMPRESSION = Z_DEFAULT_COMPRESSION;
314 }
315
317 namespace Qore {
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334 const COMPRESSION_ALG_BZIP2 = str(CompressionTransforms::ALG_BZIP2);
337 const COMPRESSION_ALG_GZIP = str(CompressionTransforms::ALG_GZIP);
339 const COMPRESSION_ALG_ZLIB = str(CompressionTransforms::ALG_ZLIB);
341 }
Qore::get_decompressor
Transform get_decompressor(string alg)
Returns a Transform object for decompressing data using the given algorithm for use with TransformInp...
Qore::get_compressor
Transform get_compressor(string alg, int level=COMPRESSION_LEVEL_DEFAULT)
Returns a Transform object for compressing data using the given algorithm for use with TransformInput...
Qore::BZ2_DEFAULT_COMPRESSION
const BZ2_DEFAULT_COMPRESSION
gives the default compression level for the bzip2() function, providing a trade-off between compressi...
Definition: ql_compression.dox.h:308
Qore::COMPRESSION_ALG_GZIP
const COMPRESSION_ALG_GZIP
Identifies the GZIP Format (RFC 1952)
Definition: ql_compression.dox.h:337
Qore::COMPRESSION_ALG_ZLIB
const COMPRESSION_ALG_ZLIB
Identifies the ZLIB Compressed Data Format (RFC 1950)
Definition: ql_compression.dox.h:339
Qore::binary
binary binary()
Always returns an empty binary object (of zero length)
Qore::COMPRESSION_LEVEL_DEFAULT
const COMPRESSION_LEVEL_DEFAULT
Identifies the default compression level appropriate for given algorithm.
Definition: ql_compression.dox.h:310
Qore::bunzip2_to_string
string bunzip2_to_string(binary bin, *string encoding)
Uncompresses the given data with the bzip2 algorithm and returns the uncompressed data as a string...
Qore::bzip2
binary bzip2(binary bin, softint level=BZ2_DEFAULT_COMPRESSION)
Compresses the given data with the bzip2 algorithm and returns the compressed data as a binary...
Qore::bunzip2_to_binary
binary bunzip2_to_binary(binary bin)
Uncompresses the given data with the bzip2 algorithm and returns the uncompressed data as a binary ob...
Qore::gzip
binary gzip(string str, int level=Z_DEFAULT_COMPRESSION)
Performs zlib-based "gzip" data compression (RFC 1952) and returns a binary object of the compressed ...
Qore::gunzip_to_string
string gunzip_to_string(binary bin, *string encoding)
Performs zlib-based decompression of data compressed with the "gzip" algorithm (RFC 1952) and returns...
Qore::Z_DEFAULT_COMPRESSION
const Z_DEFAULT_COMPRESSION
gives the default compression level for the compress() and gzip() functions, providing a trade-off be...
Definition: ql_compression.dox.h:312
Qore::COMPRESSION_ALG_BZIP2
const COMPRESSION_ALG_BZIP2
Identifies the bzip2 algorithm
Definition: ql_compression.dox.h:335
Qore::gunzip_to_binary
binary gunzip_to_binary(binary bin)
Performs zlib-based decompression of data compressed with the "gzip" algorithm (RFC 1952) and returns...
Qore::uncompress_to_binary
binary uncompress_to_binary(binary bin)
Performs zlib-based decompression of data compressed by the "deflate" algorithm (RFC 1951) and return...
Qore
main Qore-language namespace
Definition: Pseudo_QC_All.dox.h:3
Qore::uncompress_to_string
string uncompress_to_string(binary bin, *string encoding)
Performs zlib-based decompression of data compressed by the "deflate" algorithm (RFC 1951) and return...
Qore::compress
binary compress(string str, int level=Z_DEFAULT_COMPRESSION)
Performs zlib-based "deflate" data compression (RFC 1951) and returns a binary object of the compress...