mirror of
https://github.com/ultimatepp/ultimatepp.git
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129 lines
No EOL
3.4 KiB
C++
129 lines
No EOL
3.4 KiB
C++
#include "lz4.h"
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namespace Upp {
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void sCompressStreamCopy_(Stream& out, Stream& in, Gate<int64, int64> progress, Stream& orig_in, int64 insz);
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static int64 sLZ4Compress(Stream& out, Stream& in, int64 size, Gate<int64, int64> progress, bool co)
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{
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LZ4CompressStream outs(out);
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#ifdef _MULTITHREADED
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if(co)
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outs.Co();
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#endif
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sCompressStreamCopy_(outs, in, progress, in, size);
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outs.Close();
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if(!out.IsError() && !outs.IsError())
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return out.GetSize();
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return -1;
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}
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static int64 sLZ4Decompress(Stream& out, Stream& in, int64 size, Gate<int64, int64> progress, bool co)
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{
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LZ4DecompressStream ins(in);
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#ifdef _MULTITHREADED
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if(co)
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ins.Co();
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#endif
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sCompressStreamCopy_(out, ins, progress, in, size);
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ins.Close();
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if(!out.IsError() && !ins.IsError())
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return out.GetSize();
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return -1;
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}
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int64 LZ4Compress(Stream& out, Stream& in, Gate<int64, int64> progress)
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{
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return sLZ4Compress(out, in, in.GetLeft(), progress, false);
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}
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int64 LZ4Decompress(Stream& out, Stream& in, Gate<int64, int64> progress)
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{
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return sLZ4Decompress(out, in, in.GetLeft(), progress, false);
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}
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String LZ4Compress(Stream& in, Gate<int64, int64> progress)
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{
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StringStream out;
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return LZ4Compress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String LZ4Decompress(Stream& in, Gate<int64, int64> progress)
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{
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StringStream out;
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return LZ4Decompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String LZ4Compress(const void *data, int64 len, Gate<int64, int64> progress)
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{
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MemReadStream in(data, len);
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return LZ4Compress(in, progress);
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}
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String LZ4Compress(const String& s, Gate<int64, int64> progress)
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{
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return LZ4Compress(~s, s.GetLength(), progress);
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}
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String LZ4Decompress(const void *data, int64 len, Gate<int64, int64> progress)
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{
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MemReadStream in(data, len);
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return LZ4Decompress(in, progress);
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}
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String LZ4Decompress(const String& s, Gate<int64, int64> progress)
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{
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return LZ4Decompress(~s, s.GetLength(), progress);
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}
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#ifdef _MULTITHREADED
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int64 CoLZ4Compress(Stream& out, Stream& in, Gate<int64, int64> progress)
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{
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return sLZ4Compress(out, in, in.GetLeft(), progress, true);
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}
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int64 CoLZ4Decompress(Stream& out, Stream& in, Gate<int64, int64> progress)
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{
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return sLZ4Decompress(out, in, in.GetLeft(), progress, true);
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}
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String CoLZ4Compress(Stream& in, Gate<int64, int64> progress)
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{
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StringStream out;
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return CoLZ4Compress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String CoLZ4Decompress(Stream& in, Gate<int64, int64> progress)
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{
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StringStream out;
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return CoLZ4Decompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String CoLZ4Compress(const void *data, int64 len, Gate<int64, int64> progress)
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{
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StringStream out;
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MemReadStream in(data, len);
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return CoLZ4Compress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String CoLZ4Compress(const String& s, Gate<int64, int64> progress)
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{
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return CoLZ4Compress(~s, s.GetLength(), progress);
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}
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String CoLZ4Decompress(const void *data, int64 len, Gate<int64, int64> progress)
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{
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StringStream out;
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MemReadStream in(data, len);
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return CoLZ4Decompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
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}
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String CoLZ4Decompress(const String& s, Gate<int64, int64> progress)
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{
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return CoLZ4Decompress(~s, s.GetLength(), progress);
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}
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#endif
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}; |