private List <ChapterListModel> GetChapterList(int chaptercount, int headlenth, byte[] buff, int key)
{
List <ChapterListModel> list = new List <ChapterListModel>();
ChapterListStruct blockFileList = new ChapterListStruct();
int num = 0;
for (int i = 0; i < chaptercount; i++)
{
ChapterListModel model = new ChapterListModel();
byte[] buffs = new byte[0x18];
Array.Copy(buff, num, buffs, 0, buffs.Length);
byte[] data = new byte[4];
Array.Copy(buffs, 12, data, 0, 4);
Array.Copy(this.ebk3_data.pbk_sys_data_decode(data, key), 0, buffs, 12, 4);
blockFileList = new ByteToStructEbk3().GetBlockFileList(buffs);
model.chapter_index1 = blockFileList.chapter_index1;
model.chapter_level2 = blockFileList.chapter_level2;
model.chapter_data_type3 = blockFileList.chapter_data_type3;
model.chapter_data_block_offset4 = blockFileList.chapter_data_block_offset4;
model.chapter_content_decompresss_offset5 = blockFileList.chapter_content_decompresss_offset5;
model.chapter_content_decompress_length6 = blockFileList.chapter_content_decompress_length6;
model.chapter_name_length7 = blockFileList.chapter_name_length7;
byte[] buffer3 = new byte[model.chapter_name_length7];
Array.Copy(buff, num + buffs.Length, buffer3, 0, buffer3.Length);
model.chapter_name_data8 = Encoding.Unicode.GetString(this.ebk3_data.pbk_sys_data_decode(buffer3, key), 0, buffer3.Length);
num += buffs.Length + buffer3.Length;
list.Add(model);
}
return(list);
}
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));
}
public BookInfo Open(byte[] buffer)
{
EBK3HeadStruct headStruct = new EBK3HeadStruct();
EBK3HeadInfoModel recodeModel = new EBK3HeadInfoModel();
ChapterHeadModelStruct chapterHeadModelStruct = new ChapterHeadModelStruct();
new blockinfoModel();
new ChapterListModel();
DynDataStruct dynDataStruct = new DynDataStruct();
headStruct = new ByteToStructEbk3().GetHeadStruct(buffer);
int key = (int)headStruct.decode_key;
byte[] buffer2 = new byte[headStruct.header_length];
Array.Copy(buffer, 0, buffer2, 0, buffer2.Length);
byte[] data = new byte[buffer2.Length - 0x10];
Array.Copy(buffer, 0x10, data, 0, data.Length);
recodeModel = GetRecodeModel(this.ebk3_data.pbk_sys_data_decode(data, key), (int)recodeModel.modellenth);
byte[] buffs = new byte[0x10];
Array.Copy(buffer, (int)recodeModel.chapter_dyn_info_offset5, buffs, 0, buffs.Length);
dynDataStruct = new ByteToStructEbk3().GetDynDataStruct(buffs);
byte[] buffer5 = new byte[dynDataStruct.chapter_list_length];
Array.Copy(buffer, (int)dynDataStruct.chapter_list_offset, buffer5, 0, buffer5.Length);
chapterHeadModelStruct = new ByteToStructEbk3().GetChapterHeadModelStruct(buffer5);
byte[] buff = new byte[buffer5.Length - 8];
Array.Copy(buffer5, 8, buff, 0, buff.Length);
this.mChapterList = this.GetChapterList((int)chapterHeadModelStruct.chapter_count, (int)chapterHeadModelStruct.chapter_name_header_length, buff, key);
this.mChapterList = this.SortChapterList(this.mChapterList);
BookInfo info = new BookInfo();
info.BookName = recodeModel.name;
info.Author = recodeModel.author;
for (int i = 0; i < this.mChapterList.Count; i++)
{
ChapterListModel model2 = this.mChapterList[i];
if ((model2.chapter_data_type3 != 0) && (info.Text == ""))
{
byte[] blockdata = new byte[buffer.Length - model2.chapter_data_block_offset4];
Array.Copy(buffer, (int)model2.chapter_data_block_offset4, blockdata, 0, blockdata.Length);
string chapter = this.Getchapter(blockdata, 1);
info.Text = chapter;
}
}
byte[] bytes = Encoding.Unicode.GetBytes(info.Text);
int num3 = 0;
int myindex = 0;
for (int j = 0; j < this.mChapterList.Count; j++)
{
ChapterListModel model3 = this.mChapterList[j];
if (model3.chapter_data_type3 == 1)
{
if (num3 == 0)
{
BookItems items = new BookItems(model3.chapter_name_data8, 0, model3.chapter_name_data8.Length);
info.ChaterList.Add(items);
}
else
{
ChapterListModel model4 = this.mChapterList[j - 1];
int num6 = (int)model4.chapter_content_decompresss_offset5;
int num7 = (int)model4.chapter_content_decompress_length6;
byte[] buffer9 = new byte[num7];
Array.Copy(bytes, num6, buffer9, 0, num7);
string str2 = Encoding.Unicode.GetString(buffer9, 0, buffer9.Length);
myindex += str2.Replace("\r\n", "\n").Length;
BookItems items2 = new BookItems(model3.chapter_name_data8, myindex, model3.chapter_name_data8.Length);
info.ChaterList.Add(items2);
}
num3++;
}
}
return(info);
}
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);
}
