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https://github.com/ultimatepp/ultimatepp.git
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117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
#include <Core/Core.h>
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using namespace Upp;
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bool ZLoad(Callback1<Stream&> serialize, Stream& stream, int version = Null)
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{
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String h = stream.GetLine();
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if(h != "COMPRESSED")
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return false;
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int64 sz = stream.Get64();
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Zlib zlib;
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InFilterStream in(stream, zlib);
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zlib.Decompress();
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in.SetSize(sz);
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return Load(serialize, in, version);
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}
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bool ZStore(Callback1<Stream&> serialize, Stream& stream, int version = Null)
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{
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stream.Put("COMPRESSED\n");
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int sz_pos = stream.GetPos();
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stream.Put64(0);
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Zlib zlib;
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OutFilterStream out(stream, zlib);
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zlib.Compress();
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if(!Store(serialize, out, version))
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return false;
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out.Close();
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int64 sz = out.GetPos();
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stream.Seek(sz_pos);
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stream.Put64(sz);
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return !stream.IsError();
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}
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template <class T>
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bool ZLoad(T& x, Stream& s, int version = Null) {
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return ZLoad(SerializeCb(x), s, version);
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}
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template <class T>
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bool ZStore(T& x, Stream& s, int version = Null) {
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return ZStore(SerializeCb(x), s, version);
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}
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/*
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template <class T>
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bool ZLoadFromFile(T& x, const char *name = NULL, int version = Null) {
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return LoadFromFile(SerializeCb(x), name, version);
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}
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template <class T>
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bool StoreToFile(T& x, const char *name = NULL, int version = Null) {
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return StoreToFile(SerializeCb(x), name, version);
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}
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*/
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template <class T>
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String ZStoreAsString(T& x) {
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StringStream ss;
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ZStore(x, ss);
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return ss;
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}
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template <class T>
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bool ZLoadFromString(T& x, const String& s) {
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StringStream ss(s);
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return ZLoad(x, ss);
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}
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CONSOLE_APP_MAIN
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{
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String data;
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for(int i = 0; i < 10000; i++)
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data << AsString(i) << ": " << AsString(Uuid::Create()) << '\n';
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// ---------------------------------------------------------------
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String path = GetHomeDirFile("test.z");
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{
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FileOut fout(path);
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DDUMP(data.GetLength());
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int64 sz_pos = fout.GetPos();
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fout.Put64(0);
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Zlib zlib;
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OutFilterStream out(fout, zlib);
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zlib.Compress();
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out % data;
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int64 sz = out.GetPos();
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out.Close();
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fout.Seek(sz_pos);
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fout.Put64(sz);
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}
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String data2;
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{
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FileIn fin(path);
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int64 sz = fin.Get64();
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Zlib zlib;
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InFilterStream in(fin, zlib);
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zlib.Decompress();
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in.SetSize(sz);
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in % data2;
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}
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ASSERT(data == data2);
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DLOG("========================");
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data = LoadFile(GetDataFile("FilterStream.cpp"));
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String h = ZStoreAsString(data);
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DDUMP(data.GetCount());
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DDUMP(ZCompress(data).GetCount());
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DDUMP(h.GetCount());
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ZLoadFromString(data2, h);
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ASSERT(data == data2);
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}
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