public static void analyze_CPK(Stream infile, string base_name, long file_length)
{
const long CpkHeader_offset = 0x0;
byte[] toc_string_table = null;
// check header
{
byte[] buf = new byte[4];
byte[] CPK_signature = Encoding.ASCII.GetBytes("CPK ");
Util.get_bytes_seek(CpkHeader_offset, infile, buf, 4);
ErrorStuff.CHECK_ERROR(!Util.memcmp(buf, CPK_signature), "CPK signature not found");
}
// check CpkHeader
{
utf_query_result result = UtfTab.query_utf_nofail(infile, CpkHeader_offset + 0x10, null);
ErrorStuff.CHECK_ERROR(result.rows != 1, "wrong number of rows in CpkHeader");
}
// get TOC offset
long toc_offset = (long)UtfTab.query_utf_8byte(infile, CpkHeader_offset + 0x10, 0, "TocOffset");
// get content offset
long content_offset = (long)UtfTab.query_utf_8byte(infile, CpkHeader_offset + 0x10, 0, "ContentOffset");
// get file count from CpkHeader
long CpkHeader_count = UtfTab.query_utf_4byte(infile, CpkHeader_offset + 0x10, 0, "Files");
// check TOC header
{
byte[] buf = new byte[4];
byte[] TOC_signature = Encoding.ASCII.GetBytes("TOC ");
Util.get_bytes_seek(toc_offset, infile, buf, 4);
ErrorStuff.CHECK_ERROR(!Util.memcmp(buf, TOC_signature), "TOC signature not found");
}
// get TOC entry count, string table
long toc_entries;
{
utf_query_result result = UtfTab.query_utf_nofail(infile, toc_offset + 0x10, null);
toc_entries = result.rows;
toc_string_table = UtfTab.load_utf_string_table(infile, toc_offset + 0x10);
}
// check that counts match
ErrorStuff.CHECK_ERROR(toc_entries != CpkHeader_count, "CpkHeader file count and TOC entry count do not match");
// extract files
for (int i = 0; i < toc_entries; i++)
{
// get file name
string file_name = UtfTab.query_utf_string(infile, toc_offset + 0x10, i,
"FileName", toc_string_table);
// get directory name
string dir_name = UtfTab.query_utf_string(infile, toc_offset + 0x10, i,
"DirName", toc_string_table);
// get file size
long file_size = UtfTab.query_utf_4byte(infile, toc_offset + 0x10, i,
"FileSize");
// get extract size
long extract_size = UtfTab.query_utf_4byte(infile, toc_offset + 0x10, i,
"ExtractSize");
// get file offset
ulong file_offset_raw =
UtfTab.query_utf_8byte(infile, toc_offset + 0x10, i, "FileOffset");
if (content_offset < toc_offset)
{
file_offset_raw += (ulong)content_offset;
}
else
{
file_offset_raw += (ulong)toc_offset;
}
ErrorStuff.CHECK_ERROR(file_offset_raw > (ulong)long.MaxValue, "File offset too large, will be unable to seek");
long file_offset = (long)file_offset_raw;
Console.WriteLine("{0}/{1} 0x{2:x} {3}",
dir_name, file_name, (ulong)file_offset, file_size);
using (Stream outfile = Util.open_file_in_directory(base_name, dir_name, '/', file_name, FileMode.Create, FileAccess.ReadWrite, FileShare.None)) {
ErrorStuff.CHECK_ERRNO(outfile == null, "fopen");
if (extract_size > file_size)
{
long uncompressed_size =
CpkUncompress.uncompress(infile, file_offset, file_size, outfile);
Console.WriteLine(" uncompressed to {0}", uncompressed_size);
ErrorStuff.CHECK_ERROR(uncompressed_size != extract_size,
"uncompressed size != ExtractSize");
}
else
{
Util.dump(infile, outfile, file_offset, file_size);
}
}
}
toc_string_table = null;
}
public static void analyze(Stream infile, long offset, long file_length)
{
int indent = 0;
UtfTab.analyze_utf(infile, offset, indent, 1, null);
}