mirror of
https://github.com/MultiMC/MultiMC5.git
synced 2024-12-28 15:18:21 +00:00
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
#include "multimc_pragma.h"
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#include "classfile.h"
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#include "javautils.h"
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//#include <wx/zipstrm.h>
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#include <memory>
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//#include <wx/wfstream.h>
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//#include "mcversionlist.h"
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namespace javautils
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{
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QString GetMinecraftJarVersion(QString jar)
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{
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return "Unknown";
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/*
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wxString fullpath = jar.GetFullPath();
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wxString version = MCVer_Unknown;
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if(!jar.FileExists())
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return version;
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std::auto_ptr<wxZipEntry> entry;
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// convert the local name we are looking for into the internal format
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wxString name = wxZipEntry::GetInternalName("net/minecraft/client/Minecraft.class",wxPATH_UNIX);
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// open the zip
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wxFFileInputStream inStream(jar.GetFullPath());
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wxZipInputStream zipIn(inStream);
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// call GetNextEntry() until the required internal name is found
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do
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{
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entry.reset(zipIn.GetNextEntry());
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}
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while (entry.get() != NULL && entry->GetInternalName() != name);
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auto myentry = entry.get();
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if (myentry == NULL)
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return version;
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// we got the entry, read the data
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std::size_t size = myentry->GetSize();
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char *classdata = new char[size];
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zipIn.Read(classdata,size);
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try
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{
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char * temp = classdata;
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java::classfile Minecraft_jar(temp,size);
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auto cnst = Minecraft_jar.constants;
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auto iter = cnst.begin();
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while (iter != cnst.end())
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{
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const java::constant & constant = *iter;
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if(constant.type != java::constant::j_string_data)
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{
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iter++;
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continue;
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}
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auto & str = constant.str_data;
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const char * lookfor = "Minecraft Minecraft "; // length = 20
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if(str.compare(0,20,lookfor) == 0)
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{
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version = str.substr(20).data();
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break;
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}
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iter++;
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}
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} catch(java::classfile_exception &){}
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delete[] classdata;
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return version;
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*/
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}
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} |