167 lines
3.6 KiB
C++
167 lines
3.6 KiB
C++
#include "common.h"
|
|
#include "stdclass.h"
|
|
#include <algorithm>
|
|
#include <sstream>
|
|
|
|
// On windows, transform / to \\
|
|
|
|
std::string normalize_path_separator(std::string path)
|
|
{
|
|
#ifdef _WIN32
|
|
std::replace(path.begin(), path.end(), '/', '\\');
|
|
#endif
|
|
|
|
return path;
|
|
}
|
|
|
|
// given file/name.ext or file\name.ext returns file/ or file\, depending on the platform
|
|
// given name.ext returns ./ or .\, depending on the platform
|
|
std::string OS_dirname(std::string file)
|
|
{
|
|
file = normalize_path_separator(file);
|
|
#ifdef _WIN32
|
|
const char sep = '\\';
|
|
#else
|
|
const char sep = '/';
|
|
#endif
|
|
|
|
size_t last_slash = file.find_last_of(sep);
|
|
|
|
if (last_slash == std::string::npos)
|
|
{
|
|
std::string local_dir = ".";
|
|
local_dir += sep;
|
|
return local_dir;
|
|
}
|
|
|
|
return file.substr(0, last_slash + 1);
|
|
}
|
|
|
|
#if 0 // TODO: Move this to some tests, make it platform agnostic
|
|
namespace {
|
|
struct OS_dirname_Test {
|
|
OS_dirname_Test() {
|
|
verify(OS_dirname("local/path") == "local/");
|
|
verify(OS_dirname("local/path/two") == "local/path/");
|
|
verify(OS_dirname("local/path/three\\a.exe") == "local/path/");
|
|
verify(OS_dirname("local.ext") == "./");
|
|
}
|
|
} test1;
|
|
|
|
struct normalize_path_separator_Test {
|
|
normalize_path_separator_Test() {
|
|
verify(normalize_path_separator("local/path") == "local/path");
|
|
verify(normalize_path_separator("local\\path") == "local/path");
|
|
verify(normalize_path_separator("local\\path\\") == "local/path/");
|
|
verify(normalize_path_separator("\\local\\path\\") == "/local/path/");
|
|
verify(normalize_path_separator("loc\\al\\pa\\th") == "loc/al/pa/th");
|
|
}
|
|
} test2;
|
|
}
|
|
#endif
|
|
|
|
Disc* load_gdi(const char* file)
|
|
{
|
|
FILE *t = nowide::fopen(file, "rb");
|
|
if (t == nullptr)
|
|
throw FlycastException(std::string("Cannot open GDI file ") + file);
|
|
|
|
size_t gdi_len = flycast::fsize(t);
|
|
|
|
char gdi_data[8193] = { 0 };
|
|
|
|
if (gdi_len >= sizeof(gdi_data))
|
|
{
|
|
std::fclose(t);
|
|
throw FlycastException("GDI file too big");
|
|
}
|
|
|
|
if (std::fread(gdi_data, 1, gdi_len, t) != gdi_len)
|
|
WARN_LOG(GDROM, "Failed or truncated read of gdi file '%s'", file);
|
|
std::fclose(t);
|
|
|
|
std::istringstream gdi(gdi_data);
|
|
|
|
u32 iso_tc = 0;
|
|
gdi >> iso_tc;
|
|
if (iso_tc == 0)
|
|
throw FlycastException("GDI: empty or invalid GDI file");
|
|
|
|
INFO_LOG(GDROM, "GDI : %d tracks", iso_tc);
|
|
|
|
std::string basepath = OS_dirname(file);
|
|
|
|
Disc* disc = new Disc();
|
|
u32 TRACK=0,FADS=0,CTRL=0,SSIZE=0;
|
|
s32 OFFSET=0;
|
|
for (u32 i=0;i<iso_tc;i++)
|
|
{
|
|
std::string track_filename;
|
|
|
|
//TRACK FADS CTRL SSIZE file OFFSET
|
|
gdi >> TRACK;
|
|
gdi >> FADS;
|
|
gdi >> CTRL;
|
|
gdi >> SSIZE;
|
|
|
|
char last;
|
|
|
|
do {
|
|
gdi >> last;
|
|
} while (isspace(last));
|
|
|
|
if (last == '"')
|
|
{
|
|
gdi >> std::noskipws;
|
|
for(;;) {
|
|
gdi >> last;
|
|
if (last == '"')
|
|
break;
|
|
track_filename += last;
|
|
}
|
|
gdi >> std::skipws;
|
|
}
|
|
else
|
|
{
|
|
gdi >> track_filename;
|
|
track_filename = last + track_filename;
|
|
}
|
|
|
|
gdi >> OFFSET;
|
|
|
|
DEBUG_LOG(GDROM, "file[%d] \"%s\": FAD:%d, CTRL:%d, SSIZE:%d, OFFSET:%d", TRACK, track_filename.c_str(), FADS, CTRL, SSIZE, OFFSET);
|
|
|
|
Track t;
|
|
t.StartFAD = FADS + 150;
|
|
t.CTRL = CTRL;
|
|
|
|
if (SSIZE!=0)
|
|
{
|
|
std::string path = basepath + normalize_path_separator(track_filename);
|
|
FILE *file = nowide::fopen(path.c_str(), "rb");
|
|
if (file == nullptr)
|
|
{
|
|
delete disc;
|
|
throw FlycastException("GDI file: Cannot open track " + path);
|
|
}
|
|
t.file = new RawTrackFile(file, OFFSET, t.StartFAD, SSIZE);
|
|
}
|
|
if (!disc->tracks.empty())
|
|
disc->tracks.back().EndFAD = t.StartFAD - 1;
|
|
disc->tracks.push_back(t);
|
|
}
|
|
|
|
disc->FillGDSession();
|
|
|
|
return disc;
|
|
}
|
|
|
|
|
|
Disc* gdi_parse(const char* file)
|
|
{
|
|
if (get_file_extension(file) != "gdi")
|
|
return nullptr;
|
|
|
|
return load_gdi(file);
|
|
}
|