BeamMP-Launcher/Compressor.cpp
2020-04-24 18:55:27 +03:00

60 lines
1.5 KiB
C++

///
/// Created by Anonymous275 on 4/23/2020
///
#include <string>
#include <iostream>
#include "include/zlib.h"
void Print(const std::string&MSG){
//std::cout << MSG << std::endl;
}
std::string Compress(const std::string&Data){
std::string b;
b.resize(Data.size());
z_stream defstream;
defstream.zalloc = Z_NULL;
defstream.zfree = Z_NULL;
defstream.opaque = Z_NULL;
defstream.avail_in = (uInt)Data.length()+1;
defstream.next_in = (Bytef *)&Data[0];
defstream.avail_out = (uInt)b.size();
defstream.next_out = (Bytef *)&b[0];
deflateInit(&defstream, Z_BEST_COMPRESSION);
deflate(&defstream, Z_FINISH);
deflateEnd(&defstream);
for(int i = int(b.length())-1;i >= 0;i--){
if(b.at(i) != '\0'){
b.resize(i);
break;
}
}
return b;
}
std::string Decompress(const std::string&Data)
{
std::string c;
c.resize(Data.size()*5);
z_stream infstream,defstream;
infstream.zalloc = Z_NULL;
infstream.zfree = Z_NULL;
infstream.opaque = Z_NULL;
infstream.avail_in = (uInt)((char*)defstream.next_out - Data.c_str());
infstream.next_in = (Bytef *)&Data[0];
infstream.avail_out = (uInt)c.size();
infstream.next_out = (Bytef *)&c[0];
inflateInit(&infstream);
inflate(&infstream, Z_NO_FLUSH);
inflateEnd(&infstream);
for(int i = int(c.length())-1;i >= 0;i--){
if(c.at(i) != '\0'){
c.resize(i+2);
break;
}
}
return c;
}