134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
#include "ResourceFork.h"
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#include "BinaryIO.h"
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#include <iostream>
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#include <map>
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#include <vector>
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void Resources::addResources(const Resources& res)
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{
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for(auto& rr : res.resources)
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resources.insert(rr);
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// resources.insert(resources.end(),res.resources.begin(), res.resources.end());
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}
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void Resources::writeFork(std::ostream& out) const
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{
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std::streampos start = out.tellp();
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longword(out,0x100);
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longword(out,0);
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longword(out,0);
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longword(out,0);
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out.seekp(start + std::streampos(0x100));
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std::map< std::string, std::map<int, int> > resourceInfos;
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std::streampos datastart = out.tellp();
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for(auto& rr : resources)
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{
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const Resource& r = rr.second;
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const std::string& data = r.getData();
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resourceInfos[ r.getType() ][ r.getID() ] = out.tellp() - datastart;
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longword(out, data.size());
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out << data;
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}
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std::streampos dataend = out.tellp();
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// while(out.tellp() % 0x100)
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// out.put(0);
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std::streampos resmap = out.tellp();
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out.seekp(16+4+2+2, std::ios::cur);
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word(out,16+4+2+2+2+2); // offset to resource type list
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std::streampos resnameOffset = out.tellp();
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word(out,0);
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std::streampos typelist = out.tellp();
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word(out,resourceInfos.size() - 1);
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for(std::map< std::string, std::map<int, int> >::iterator p = resourceInfos.begin();
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p != resourceInfos.end(); ++p)
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{
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if(p->second.size())
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{
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ostype(out,p->first);
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word(out,p->second.size()-1);
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word(out,0); // replaced later
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}
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}
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int typeIndex = 0;
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for(std::map< std::string, std::map<int, int> >::iterator p = resourceInfos.begin();
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p != resourceInfos.end(); ++p)
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{
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if(p->second.size())
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{
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std::streampos pos = out.tellp();
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out.seekp((int)typelist + 2 + 8 * typeIndex + 6);
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word(out, pos - typelist);
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out.seekp(pos);
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typeIndex++;
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for(std::map<int,int>::iterator q = p->second.begin(); q != p->second.end(); ++q)
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{
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word(out,q->first);
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word(out,-1);
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longword(out,q->second);
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longword(out,0);
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}
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}
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}
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std::streampos resnames = out.tellp();
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out.seekp(resnameOffset);
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word(out, resnames - resmap);
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out.seekp(resnames);
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std::streampos end = out.tellp();
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out.seekp(start + std::streampos(4));
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longword(out, resmap - start);
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longword(out, dataend - start - std::streampos(0x100));
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longword(out, end - resmap);
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out.seekp(end);
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}
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Resources::Resources(std::istream &in)
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{
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std::streampos start = in.tellg();
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int resdataOffset = longword(in);
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int resmapOffset = longword(in);
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in.seekg(start + std::streampos(resmapOffset + 16 + 4 + 2 + 2));
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int typeListOffset = word(in);
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int nameListOffset = word(in);
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int nTypes = (word(in) + 1) & 0xFFFF;
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for(int i = 0; i < nTypes; i++)
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{
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in.seekg(start + std::streampos(resmapOffset + typeListOffset + 2 + i * 8));
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std::string type = ostype(in);
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int nRes = (word(in) + 1) & 0xFFFF;
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int refListOffset = word(in);
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for(int j = 0; j < nRes; j++)
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{
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in.seekg(start + std::streampos(resmapOffset + typeListOffset + refListOffset + j * 12));
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int id = word(in);
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int nameOffset = word(in);
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int attr = byte(in);
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int off1 = byte(in);
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int off2 = byte(in);
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int off3 = byte(in);
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int offset = (off1 << 16) | (off2 << 8) | off3;
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std::string name;
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if(nameOffset != 0xFFFF)
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{
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in.seekg(start + std::streampos(resmapOffset + nameListOffset + nameOffset));
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int nameLen = byte(in);
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char buf[256];
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in.read(buf, nameLen);
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name = std::string(buf, nameLen);
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}
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in.seekg(start + std::streampos(resdataOffset + offset));
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int size = longword(in);
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std::vector<char> tmp(size);
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in.read(tmp.data(), size);
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std::string data(tmp.data(), size);
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addResource(Resource(type, id, data, name, attr));
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}
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}
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}
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