mirror of
https://github.com/autc04/Retro68.git
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589 lines
14 KiB
C++
589 lines
14 KiB
C++
#include "ResourceFile.h"
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#include "BinaryIO.h"
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#include <boost/filesystem.hpp>
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#include "boost/filesystem/fstream.hpp"
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#include <sstream>
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#include <iostream>
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#ifdef __APPLE__
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#include <sys/xattr.h>
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#endif
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extern "C" {
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#include "hfs.h"
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}
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namespace fs = boost::filesystem;
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// CRC 16 table lookup array
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static unsigned short CRC16Table[256] =
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{0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
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0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
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0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
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0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
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0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
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0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
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0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
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0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
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0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
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0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
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0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
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0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
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0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
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0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
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0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
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0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
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0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
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0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
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0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
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0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
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0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
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0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
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0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0};
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// CalculateCRC
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static unsigned short CalculateCRC(unsigned short CRC, const char* dataBlock, int dataSize)
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{
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while (dataSize)
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{
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CRC = (CRC << 8) ^ CRC16Table[((*dataBlock) ^ (CRC >> 8)) & 0x00FF];
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dataBlock++;
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dataSize--;
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}
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return CRC;
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}
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static void writeMacBinary(std::ostream& out, std::string filename,
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ResType type, ResType creator,
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const Resources& rsrc, const std::string& data)
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{
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std::ostringstream resstream;
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rsrc.writeFork(resstream);
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const std::string& rsrcBytes = resstream.str();
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std::ostringstream header;
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byte(header, 0);
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byte(header, filename.size());
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header << filename;
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while((int)header.tellp() < 65)
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byte(header,0);
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ostype(header, type);
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ostype(header, creator);
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byte(header, 0); // flags
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byte(header, 0);
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word(header, 0); // position.v
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word(header, 0); // position.h
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word(header, 0); // folder id
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byte(header, 0); // protected flag
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byte(header, 0);
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longword(header, (int)data.size());
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longword(header, (int)rsrcBytes.size());
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longword(header, 0); // creation date
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longword(header, 0); // modification date
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while((int)header.tellp() < 124)
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byte(header,0);
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std::string headerData = header.str();
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out << headerData;
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word(out, CalculateCRC(0, &headerData[0], headerData.size()));
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word(out, 0);
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out << data;
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while((int)out.tellp() % 128)
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byte(out,0);
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rsrc.writeFork(out);
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while((int)out.tellp() % 128)
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byte(out,0);
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}
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ResourceFile::ResourceFile()
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{
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}
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ResourceFile::ResourceFile(std::string path, ResourceFile::Format f)
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{
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assign(path, f);
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}
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ResourceFile::~ResourceFile()
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{
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}
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static bool CheckAppleDouble(fs::path path, std::string prefix)
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{
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fs::path adPath = path.parent_path() / (prefix + path.filename().string());
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fs::ifstream in(adPath);
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if(in)
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{
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int magic1 = longword(in);
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if(in && magic1 == 0x00051607)
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{
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int magic2 = longword(in);
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if(in && magic2 == 0x00020000)
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return true;
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}
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}
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return false;
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}
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bool ResourceFile::assign(std::string pathstring, ResourceFile::Format f)
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{
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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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format = f;
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if(format == Format::autodetect)
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{
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if(path.extension() == ".bin")
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format = Format::macbin;
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else if(path.extension() == ".as")
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format = Format::applesingle;
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else if(path.extension() == ".dsk" || path.extension() == ".img")
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format = Format::diskimage;
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else if(path.filename().string().substr(0,2) == "._")
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{
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path = path.parent_path() / path.filename().string().substr(2);
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format = Format::underscore_appledouble;
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this->pathstring = path.string();
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}
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else if(path.filename().string()[0] == '%')
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{
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path = path.parent_path() / path.filename().string().substr(1);
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format = Format::percent_appledouble;
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this->pathstring = path.string();
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}
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//else if(fs::exists(rsrcPath))
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// format = Format::basilisk;
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}
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if(format == Format::autodetect)
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{
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if(CheckAppleDouble(path, "._"))
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format = Format::underscore_appledouble;
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if(CheckAppleDouble(path, "%"))
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format = Format::percent_appledouble;
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}
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if(format == Format::autodetect)
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{
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fs::ifstream in(path);
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if(in)
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{
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int magic1 = longword(in);
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if(in && magic1 == 0x00051600)
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{
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int magic2 = longword(in);
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if(in && magic2 == 0x00020000)
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format = Format::applesingle;
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}
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}
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}
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if(format == Format::autodetect)
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{
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#ifdef __APPLE__
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format = Format::real;
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#else
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format = Format::basilisk;
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#endif
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}
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// std::cout << "assigned: " << pathstring << " format " << (int)format << "\n";
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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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{
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fs::ifstream dataIn(path);
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if(!dataIn)
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return false;
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data = std::string(std::istreambuf_iterator<char>(dataIn),
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std::istreambuf_iterator<char>());
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fs::ifstream rsrcIn(path.parent_path() / ".rsrc" / path.filename());
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if(rsrcIn)
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resources = Resources(rsrcIn);
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fs::ifstream finfIn(path.parent_path() / ".finf" / path.filename());
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if(finfIn)
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{
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type = ostype(finfIn);
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creator = ostype(finfIn);
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}
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}
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break;
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#ifdef __APPLE__
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case Format::real:
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{
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fs::ifstream dataIn(path);
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if(!dataIn)
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return false;
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data = std::string(std::istreambuf_iterator<char>(dataIn),
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std::istreambuf_iterator<char>());
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fs::ifstream rsrcIn(path / "..namedfork" / "rsrc");
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if(rsrcIn)
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resources = Resources(rsrcIn);
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char finf[32];
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int n = getxattr(path.c_str(), XATTR_FINDERINFO_NAME,
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finf, 32, 0, 0);
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if(n > 0)
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{
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std::istringstream finfIn(std::string(finf, finf+n));
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type = ostype(finfIn);
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creator = ostype(finfIn);
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}
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}
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break;
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#endif
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case Format::underscore_appledouble:
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case Format::percent_appledouble:
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{
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fs::ifstream dataIn(path);
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data = std::string(std::istreambuf_iterator<char>(dataIn),
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std::istreambuf_iterator<char>());
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std::string prefix = format == Format::underscore_appledouble ?
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"._" : "%";
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fs::path adPath = path.parent_path() / (prefix + path.filename().string());
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fs::ifstream in(adPath);
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if(longword(in) != 0x00051607)
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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 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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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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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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return false;
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}
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return true;
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}
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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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{
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fs::create_directory(path.parent_path() / ".rsrc");
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fs::create_directory(path.parent_path() / ".finf");
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fs::ofstream dataOut(path);
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fs::ofstream rsrcOut(path.parent_path() / ".rsrc" / path.filename());
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fs::ofstream finfOut(path.parent_path() / ".finf" / path.filename());
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dataOut << data;
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resources.writeFork(rsrcOut);
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ostype(finfOut, type);
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ostype(finfOut, creator);
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for(int i = 8; i < 32; i++)
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byte(finfOut, 0);
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}
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break;
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#ifdef __APPLE__
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case Format::real:
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{
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fs::ofstream dataOut(path);
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fs::ofstream rsrcOut(path / "..namedfork" / "rsrc");
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std::ostringstream finfOut;
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dataOut << data;
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resources.writeFork(rsrcOut);
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ostype(finfOut, type);
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ostype(finfOut, creator);
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for(int i = 8; i < 32; i++)
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byte(finfOut, 0);
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setxattr(path.c_str(), XATTR_FINDERINFO_NAME,
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finfOut.str().data(), 32, 0, 0);
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}
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break;
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#endif
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case Format::underscore_appledouble:
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case Format::percent_appledouble:
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{
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fs::ofstream dataOut(path);
|
|
|
|
dataOut << data;
|
|
|
|
std::string prefix = format == Format::underscore_appledouble ?
|
|
"._" : "%";
|
|
|
|
fs::path adPath = path.parent_path() / (prefix + path.filename().string());
|
|
|
|
fs::ofstream out(adPath);
|
|
|
|
longword(out, 0x00051607);
|
|
longword(out, 0x00020000);
|
|
|
|
for(int i = 0; i < 16; i++)
|
|
byte(out, 0);
|
|
word(out, 2);
|
|
std::streampos entries = out.tellp();
|
|
for(int i = 0; i < 2*3; i++)
|
|
longword(out, 0);
|
|
std::streampos rsrcStart = out.tellp();
|
|
resources.writeFork(out);
|
|
std::streampos finfStart = out.tellp();
|
|
ostype(out, type);
|
|
ostype(out, creator);
|
|
for(int i = 8; i < 32; i++)
|
|
byte(out, 0);
|
|
out.seekp(entries);
|
|
longword(out, 2);
|
|
longword(out, rsrcStart);
|
|
longword(out, finfStart - rsrcStart);
|
|
longword(out, 9);
|
|
longword(out, finfStart);
|
|
longword(out, 32);
|
|
}
|
|
break;
|
|
|
|
case Format::diskimage:
|
|
{
|
|
std::ostringstream rsrcOut;
|
|
resources.writeFork(rsrcOut);
|
|
std::string rsrc = rsrcOut.str();
|
|
int size = rsrc.size();
|
|
|
|
size += 20 * 1024;
|
|
size += 800*1024 - size % (800*1024);
|
|
|
|
fs::ofstream(path, std::ios::binary | std::ios::trunc).seekp(size-1).put(0);
|
|
|
|
hfs_format(pathstring.c_str(), 0, 0, path.stem().string().substr(0,27).c_str(), 0, NULL);
|
|
hfsvol *vol = hfs_mount(pathstring.c_str(), 0, HFS_MODE_RDWR);
|
|
if(!vol)
|
|
return false;
|
|
//hfs_setvol(vol, )
|
|
hfsfile *file = hfs_create(vol, (path.stem().string().substr(0,31)).c_str(),
|
|
((std::string)type).c_str(), ((std::string)creator).c_str());
|
|
hfs_setfork(file, 0);
|
|
hfs_write(file, data.data(), data.size());
|
|
hfs_setfork(file, 1);
|
|
hfs_write(file, rsrc.data(), rsrc.size());
|
|
|
|
hfs_close(file);
|
|
hfs_umount(vol);
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ResourceFile::hasPlainDataFork(ResourceFile::Format f)
|
|
{
|
|
switch(f)
|
|
{
|
|
#ifdef __APPLE__
|
|
case Format::real:
|
|
#endif
|
|
case Format::basilisk:
|
|
case Format::underscore_appledouble:
|
|
case Format::percent_appledouble:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool ResourceFile::hasPlainDataFork()
|
|
{
|
|
return hasPlainDataFork(format);
|
|
}
|
|
|
|
bool ResourceFile::isSingleFork(Format f)
|
|
{
|
|
switch(f)
|
|
{
|
|
case Format::macbin:
|
|
case Format::applesingle:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|