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plugin/zstd: simple functions

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git-svn-id: svn://ultimatepp.org/upp/trunk@10113 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2016-07-30 06:30:03 +00:00
parent b54282bdb6
commit 2d1901317a
6 changed files with 223 additions and 45 deletions
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107
uppsrc/plugin/zstd/Util.cpp Normal file
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#include "zstd.h"
namespace Upp {
void sCompressStreamCopy_(Stream& out, Stream& in, Function<bool(int64, int64)> progress, Stream& orig_in, int64 insz);
static int64 sZstdCompress(Stream& out, Stream& in, int64 size, Function<bool(int64, int64)> progress, bool co)
{
ZstdCompressStream outs(out);
#ifdef _MULTITHREADED
if(co)
outs.Concurrent();
#endif
sCompressStreamCopy_(outs, in, progress, in, size);
outs.Close();
if(!out.IsError() && !outs.IsError())
return out.GetSize();
return -1;
}
static int64 sZstdDecompress(Stream& out, Stream& in, int64 size, Function<bool(int64, int64)> progress, bool co)
{
ZstdDecompressStream ins(in);
#ifdef _MULTITHREADED
if(co)
ins.Concurrent();
#endif
sCompressStreamCopy_(out, ins, progress, in, size);
ins.Close();
if(!out.IsError() && !ins.IsError())
return out.GetSize();
return -1;
}
int64 ZstdCompress(Stream& out, Stream& in, Function<bool(int64, int64)> progress)
{
return sZstdCompress(out, in, in.GetLeft(), progress, false);
}
int64 ZstdDecompress(Stream& out, Stream& in, Function<bool(int64, int64)> progress)
{
return sZstdDecompress(out, in, in.GetLeft(), progress, false);
}
String ZstdCompress(const void *data, int64 len, Function<bool(int64, int64)> progress)
{
StringStream out;
MemReadStream in(data, len);
return ZstdCompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
}
String ZstdCompress(const String& s, Function<bool(int64, int64)> progress)
{
return ZstdCompress(~s, s.GetLength(), progress);
}
String ZstdDecompress(const void *data, int64 len, Function<bool(int64, int64)> progress)
{
StringStream out;
MemReadStream in(data, len);
return ZstdDecompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
}
String ZstdDecompress(const String& s, Function<bool(int64, int64)> progress)
{
return ZstdDecompress(~s, s.GetLength(), progress);
}
#ifdef _MULTITHREADED
int64 CoZstdCompress(Stream& out, Stream& in, Function<bool(int64, int64)> progress)
{
return sZstdCompress(out, in, in.GetLeft(), progress, true);
}
int64 CoZstdDecompress(Stream& out, Stream& in, Function<bool(int64, int64)> progress)
{
return sZstdDecompress(out, in, in.GetLeft(), progress, true);
}
String CoZstdCompress(const void *data, int64 len, Function<bool(int64, int64)> progress)
{
StringStream out;
MemReadStream in(data, len);
return CoZstdCompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
}
String CoZstdCompress(const String& s, Function<bool(int64, int64)> progress)
{
return CoZstdCompress(~s, s.GetLength(), progress);
}
String CoZstdDecompress(const void *data, int64 len, Function<bool(int64, int64)> progress)
{
StringStream out;
MemReadStream in(data, len);
return CoZstdDecompress(out, in, progress) < 0 ? String::GetVoid() : out.GetResult();
}
String CoZstdDecompress(const String& s, Function<bool(int64, int64)> progress)
{
return CoZstdDecompress(~s, s.GetLength(), progress);
}
#endif
};