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https://github.com/autc04/Retro68.git
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LaunchAPPL: support reading MacBinary from stdin
This commit is contained in:
Wolfgang Thaller
parent
19277b3d2e
commit
0e2eb677e4
@ -1,6 +1,7 @@
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#include "Launcher.h"
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#include <boost/filesystem/fstream.hpp>
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#include <iostream>
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#include <sstream>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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@ -14,10 +15,22 @@ using std::vector;
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Launcher::Launcher(boost::program_options::variables_map &options)
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: options(options)
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{
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app.assign(options["application"].as<std::string>());
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if(!app.read())
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throw std::runtime_error("Could not load application file.");
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string fn = options["application"].as<std::string>();
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if(fn == "-")
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{
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std::stringstream tmp;
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tmp << std::cin.rdbuf();
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if(!app.read(tmp, ResourceFile::Format::macbin))
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throw std::runtime_error("Could not load application from stdin.");
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}
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else
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{
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app.assign(fn);
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if(!app.read())
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throw std::runtime_error("Could not load application file.");
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}
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tempDir = fs::absolute(fs::unique_path());
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fs::create_directories(tempDir);
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@ -150,6 +150,7 @@ bool ResourceFile::assign(std::string pathstring, ResourceFile::Format f)
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this->pathstring = pathstring;
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fs::path path(pathstring);
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this->filename = path.stem().string();
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fs::path rsrcPath = path.parent_path() / ".rsrc" / path.filename();
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fs::path finfPath = path.parent_path() / ".finf" / path.filename();
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@ -208,12 +209,91 @@ bool ResourceFile::assign(std::string pathstring, ResourceFile::Format f)
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return true;
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}
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bool ResourceFile::read(std::istream& in, Format f)
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{
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switch(f)
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{
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case Format::applesingle:
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{
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if(longword(in) != 0x00051600)
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return false;
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if(longword(in) != 0x00020000)
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return false;
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in.seekg(24);
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int n = word(in);
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for(int i = 0; i < n; i++)
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{
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in.seekg(26 + i * 12);
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int what = longword(in);
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int off = longword(in);
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int len = longword(in);
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in.seekg(off);
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switch(what)
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{
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case 1:
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{
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std::vector<char> buf(len);
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in.read(buf.data(), len);
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data = std::string(buf.begin(), buf.end());
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}
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break;
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case 2:
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resources = Resources(in);
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break;
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case 9:
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type = ostype(in);
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creator = ostype(in);
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break;
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}
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}
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}
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break;
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case Format::macbin:
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{
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if(byte(in) != 0)
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return false;
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if(byte(in) > 63)
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return false;
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in.seekg(65);
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type = ostype(in);
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creator = ostype(in);
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in.seekg(83);
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int datasize = longword(in);
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//int rsrcsize = longword(in);
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in.seekg(0);
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char header[124];
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in.read(header, 124);
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unsigned short crc = CalculateCRC(0,header,124);
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if(word(in) != crc)
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return false;
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in.seekg(128);
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std::vector<char> buf(datasize);
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in.read(buf.data(), datasize);
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data = std::string(buf.begin(), buf.end());
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datasize = ((int)datasize + 0x7F) & ~0x7F;
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in.seekg(128 + datasize);
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resources = Resources(in);
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}
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break;
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default:
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return false;
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}
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return true;
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}
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bool ResourceFile::read()
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{
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fs::path path(pathstring);
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type = creator = 0x3F3F3F3F;
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if(isSingleFork(format))
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{
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fs::ifstream in(path);
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return read(in, format);
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}
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switch(format)
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{
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case Format::basilisk:
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@ -259,42 +339,7 @@ bool ResourceFile::read()
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}
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break;
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#endif
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case Format::applesingle:
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{
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fs::ifstream in(path);
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if(longword(in) != 0x00051600)
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return false;
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if(longword(in) != 0x00020000)
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return false;
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in.seekg(24);
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int n = word(in);
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for(int i = 0; i < n; i++)
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{
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in.seekg(26 + i * 12);
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int what = longword(in);
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int off = longword(in);
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int len = longword(in);
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in.seekg(off);
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switch(what)
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{
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case 1:
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{
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std::vector<char> buf(len);
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in.read(buf.data(), len);
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data = std::string(buf.begin(), buf.end());
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}
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break;
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case 2:
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resources = Resources(in);
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break;
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case 9:
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type = ostype(in);
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creator = ostype(in);
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break;
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}
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}
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}
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break;
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case Format::underscore_appledouble:
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case Format::percent_appledouble:
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{
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@ -333,33 +378,50 @@ bool ResourceFile::read()
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}
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}
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break;
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default:
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return false;
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}
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return true;
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}
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bool ResourceFile::write(std::ostream& out, Format f)
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{
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switch(f)
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{
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case Format::macbin:
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{
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fs::ifstream in(path);
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if(byte(in) != 0)
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return false;
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if(byte(in) > 63)
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return false;
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in.seekg(65);
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type = ostype(in);
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creator = ostype(in);
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in.seekg(83);
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int datasize = longword(in);
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//int rsrcsize = longword(in);
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in.seekg(0);
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char header[124];
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in.read(header, 124);
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unsigned short crc = CalculateCRC(0,header,124);
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if(word(in) != crc)
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return false;
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in.seekg(128);
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std::vector<char> buf(datasize);
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in.read(buf.data(), datasize);
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data = std::string(buf.begin(), buf.end());
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datasize = ((int)datasize + 0x7F) & ~0x7F;
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in.seekg(128 + datasize);
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resources = Resources(in);
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writeMacBinary(out, filename, type, creator, resources, data);
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}
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break;
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case Format::applesingle:
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{
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longword(out, 0x00051600);
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longword(out, 0x00020000);
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for(int i = 0; i < 16; i++)
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byte(out, 0);
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word(out, 3);
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std::streampos entries = out.tellp();
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for(int i = 0; i < 3*3; i++)
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longword(out, 0);
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std::streampos dataStart = out.tellp();
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out << data;
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std::streampos rsrcStart = out.tellp();
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resources.writeFork(out);
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std::streampos finfStart = out.tellp();
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ostype(out, type);
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ostype(out, creator);
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for(int i = 8; i < 32; i++)
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byte(out, 0);
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out.seekp(entries);
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longword(out, 1);
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longword(out, dataStart);
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longword(out, rsrcStart - dataStart);
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longword(out, 2);
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longword(out, rsrcStart);
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longword(out, finfStart - rsrcStart);
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longword(out, 9);
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longword(out, finfStart);
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longword(out, 32);
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}
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break;
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default:
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@ -372,6 +434,12 @@ bool ResourceFile::write()
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{
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fs::path path(pathstring);
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if(isSingleFork(format))
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{
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fs::ofstream out(path);
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return write(out, format);
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}
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switch(format)
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{
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case Format::basilisk:
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@ -411,46 +479,7 @@ bool ResourceFile::write()
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}
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break;
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#endif
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case Format::macbin:
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{
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fs::ofstream out(path);
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writeMacBinary(out, path.stem().string(), type, creator, resources, data);
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}
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break;
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case Format::applesingle:
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{
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fs::ofstream out(path);
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longword(out, 0x00051600);
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longword(out, 0x00020000);
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for(int i = 0; i < 16; i++)
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byte(out, 0);
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word(out, 3);
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std::streampos entries = out.tellp();
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for(int i = 0; i < 3*3; i++)
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longword(out, 0);
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std::streampos dataStart = out.tellp();
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out << data;
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std::streampos rsrcStart = out.tellp();
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resources.writeFork(out);
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std::streampos finfStart = out.tellp();
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ostype(out, type);
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ostype(out, creator);
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for(int i = 8; i < 32; i++)
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byte(out, 0);
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out.seekp(entries);
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longword(out, 1);
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longword(out, dataStart);
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longword(out, rsrcStart - dataStart);
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longword(out, 2);
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longword(out, rsrcStart);
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longword(out, finfStart - rsrcStart);
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longword(out, 9);
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longword(out, finfStart);
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longword(out, 32);
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}
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break;
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// TODO: case Format::underscore_appledouble
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case Format::underscore_appledouble:
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case Format::percent_appledouble:
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{
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@ -548,3 +577,14 @@ bool ResourceFile::hasPlainDataFork()
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return hasPlainDataFork(format);
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}
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bool ResourceFile::isSingleFork(Format f)
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{
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switch(f)
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{
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case Format::macbin:
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case Format::applesingle:
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return true;
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default:
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return false;
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}
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}
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@ -2,6 +2,9 @@
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#define RESOURCEFILE_H
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#include <memory>
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#include <iosfwd>
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#include <string>
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#include "ResType.h"
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#include "ResourceFork.h"
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@ -28,13 +31,19 @@ public:
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bool assign(std::string path, Format f = Format::autodetect);
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bool read(std::istream& in, Format f);
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bool write(std::ostream& in, Format f);
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bool read();
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bool write();
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static bool hasPlainDataFork(Format f);
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bool hasPlainDataFork();
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static bool isSingleFork(Format f);
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std::string pathstring;
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std::string filename;
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Format format;
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ResType type;
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ResType creator;
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