public blockStruct GetBlockStruct(byte[] buffs) { blockStruct struct2 = new blockStruct(); int offset = 0; struct2.header_key = (uint)GetInt32(4, ref offset, buffs); struct2.header_length = (uint)GetInt32(4, ref offset, buffs); struct2.decode_key = (uint)GetInt32(4, ref offset, buffs); return(struct2); }
private string Getchapter(byte[] blockdata, int type) { blockStruct blockStruct = new blockStruct(); GetData data = new GetData(); blockStruct = new ByteToStructEbk3().GetBlockStruct(blockdata); byte[] buffer = new byte[blockStruct.header_length - 12]; Array.Copy(blockdata, 12, buffer, 0, buffer.Length); blockinfoModel recodeBlockModel = this.GetRecodeBlockModel(this.ebk3_data.pbk_sys_data_decode(buffer, (int)blockStruct.decode_key), 11); if (recodeBlockModel.file_list_offset11 != 0) { byte[] buffer2 = new byte[blockdata.Length - recodeBlockModel.file_list_offset11]; Array.Copy(blockdata, (int)recodeBlockModel.file_list_offset11, buffer2, 0, buffer2.Length); } byte[] buffer3 = new byte[4]; Array.Copy(blockdata, (int)blockStruct.header_length, buffer3, 0, 4); int num = (int)BitConverter.ToUInt32(this.ebk3_data.pbk_sys_data_decode(buffer3, (int)blockStruct.decode_key), 0); int num2 = (int)(blockStruct.header_length + 4); byte[] buffer4 = new byte[0x1400000]; int num3 = 0; int num4 = 0; byte[] buffer5 = new byte[num * 4]; Array.Copy(blockdata, num2, buffer5, 0, buffer5.Length); byte[] buffer6 = this.ebk3_data.pbk_sys_data_decode(buffer5, (int)blockStruct.decode_key); for (int i = 0; i < num; i++) { byte[] buffer7 = new byte[4]; Array.Copy(buffer6, i * 4, buffer7, 0, 4); int num6 = (int)BitConverter.ToUInt32(buffer7, 0); byte[] buff = new byte[num6]; Array.Copy(blockdata, (num2 + (num * 4)) + num4, buff, 0, buff.Length); byte[] buffer9 = new byte[num6]; byte[] buffer10 = DeCompress.Decompress(data.decodeingtext(buff, (int)blockStruct.decode_key)); Array.Copy(buffer10, 0, buffer4, num3, buffer10.Length); num4 += num6; num3 += buffer10.Length; } byte[] bytes = new byte[num3]; Array.Copy(buffer4, 0, bytes, 0, bytes.Length); if (type == 0) { return(Encoding.Unicode.GetString(bytes, 0, bytes.Length)); } return(Encoding.Unicode.GetString(bytes, 0, bytes.Length)); }
private string GetOneChapter(byte[] blockdata, int type, int mChapterIndex) { blockStruct blockStruct = new blockStruct(); GetData data = new GetData(); blockStruct = new ByteToStructEbk3().GetBlockStruct(blockdata); byte[] buffer = new byte[blockStruct.header_length - 12]; Array.Copy(blockdata, 12, buffer, 0, buffer.Length); blockinfoModel recodeBlockModel = this.GetRecodeBlockModel(this.ebk3_data.pbk_sys_data_decode(buffer, (int)blockStruct.decode_key), 13); if (recodeBlockModel.file_list_offset11 != 0) { byte[] buffer2 = new byte[blockdata.Length - recodeBlockModel.file_list_offset11]; Array.Copy(blockdata, (int)recodeBlockModel.file_list_offset11, buffer2, 0, buffer2.Length); } byte[] buffer3 = new byte[4]; Array.Copy(blockdata, (int)blockStruct.header_length, buffer3, 0, 4); int num = (int)BitConverter.ToUInt32(this.ebk3_data.pbk_sys_data_decode(buffer3, (int)blockStruct.decode_key), 0); int num2 = (int)(blockStruct.header_length + 4); byte[] buffer4 = new byte[num * 4]; Array.Copy(blockdata, num2, buffer4, 0, buffer4.Length); byte[] buffer5 = this.ebk3_data.pbk_sys_data_decode(buffer4, (int)blockStruct.decode_key); uint num3 = this.mChapterList[mChapterIndex].chapter_content_decompresss_offset5 / 0x10000; if (num3 > num) { return(""); } int num4 = 0; int num5 = (int)(this.mChapterList[mChapterIndex].chapter_content_decompresss_offset5 % 0x10000); int num6 = 0; for (int i = 0; i < num3; i++) { byte[] buffer6 = new byte[4]; Array.Copy(buffer5, i * 4, buffer6, 0, 4); num6 = (int)BitConverter.ToUInt32(buffer6, 0); num4 += num6; } byte[] buffer7 = new byte[4]; Array.Copy(buffer5, (int)(num3 * 4), buffer7, 0, 4); num6 = (int)BitConverter.ToUInt32(buffer7, 0); byte[] buff = new byte[num6]; Array.Copy(blockdata, (num2 + (num * 4)) + num4, buff, 0, buff.Length); byte[] buffer9 = new byte[num6]; byte[] buffer10 = DeCompress.Decompress(data.decodeingtext(buff, (int)blockStruct.decode_key)); byte[] bytes = new byte[this.mChapterList[mChapterIndex].chapter_content_decompress_length6]; string str = ""; if ((num5 + bytes.Length) < 0x10000) { Array.Copy(buffer10, num5, bytes, 0, bytes.Length); } else { Array.Copy(buffer10, num5, bytes, 0, 0x10000 - num5); } if ((num5 + this.mChapterList[mChapterIndex].chapter_content_decompress_length6) > 0x10000L) { num3++; if (num3 >= num) { return(""); } int num1 = ((int)(num5 + this.mChapterList[mChapterIndex].chapter_content_decompress_length6)) % 0x10000; num6 = 0; num4 = 0; for (int j = 0; j < num3; j++) { byte[] buffer12 = new byte[4]; Array.Copy(buffer5, j * 4, buffer12, 0, 4); num6 = (int)BitConverter.ToUInt32(buffer12, 0); num4 += num6; } buffer7 = new byte[4]; Array.Copy(buffer5, (int)(num3 * 4), buffer7, 0, 4); num6 = (int)BitConverter.ToUInt32(buffer7, 0); buff = new byte[num6]; Array.Copy(blockdata, (num2 + (num * 4)) + num4, buff, 0, buff.Length); buffer9 = new byte[num6]; Array.Copy(DeCompress.Decompress(data.decodeingtext(buff, (int)blockStruct.decode_key)), 0, bytes, 0x10000 - num5, bytes.Length - (0x10000 - num5)); } if (type != 0) { str = Encoding.Unicode.GetString(bytes, 0, bytes.Length); } return(str); }