public WordLibraryList Import(string str)
{
GlobalCache.CharList.Clear();
GlobalCache.Stackes.Clear();
GlobalCache.WordList.Clear();
var fs = new FileStream(str, FileMode.Open, FileAccess.Read);
ParseHeader(fs);
TouchPalChar rootChar = TouchPalChar.Load(fs); //载入第一个字
LoadTree(fs, rootChar);
fs.Close();
var wwl = new WordLibraryList();
foreach (int i in GlobalCache.WordList.Keys)
{
TouchPalWord w = GlobalCache.WordList[i];
var wl = new WordLibrary();
wl.Count = w.Count;
wl.PinYin = w.PinYin.ToArray();
wl.Word = w.ChineseWord;
//sb.AppendLine(py + "\t" + GlobalCache.WordList[i].ChineseWord + "\t" + GlobalCache.WordList[i].Count);
wwl.Add(wl);
}
return(wwl);
}
/// <summary>
/// 将一个词加入到最后一个节点
/// </summary>
/// <param name="rootChar"></param>
/// <param name="wl"></param>
/// <param name="begin"></param>
/// <returns></returns>
private TouchPalChar AddWordLink2Char(TouchPalChar rootChar, WordLibrary wl, int begin)
{
var rootWord = new TouchPalWord {
ChineseWord = wl.Word, Count = wl.Count
};
TouchPalChar lastChar = rootChar;
if (begin > 0)
{
lastChar = lastChar.Word.Chars[begin - 1];
}
var chars = new TouchPalChar[wl.Word.Length];
rootWord.Chars = chars;
for (int i = 0; i < begin; i++)
{
chars[i] = rootChar.Word.Chars[i];
}
for (int i = begin; i < wl.Word.Length; i++)
{
char c = wl.Word[i];
string py = wl.PinYin[i];
var tpc = new TouchPalChar();
tpc.Char = c;
tpc.PinyinCode = GlobalCache.PinyinIndexMapping[py];
tpc.WordIndex = i + 1;
short s = tpc.IndexAndPinYin;
AddChar2Next(lastChar, tpc);
lastChar = tpc;
chars[i] = lastChar;
}
lastChar.Word = rootWord;
return(lastChar);
}
/// <summary>
/// Load词频和中文词
/// </summary>
/// <param name="wordLength"></param>
/// <param name="fs"></param>
public static TouchPalWord LoadCountAndWord(int wordLength, FileStream fs, int position)
{
if (position > 0)
{
fs.Position = position;
}
if (GlobalCache.WordList.ContainsKey(position))
{
return(GlobalCache.WordList[position]);
}
var w = new TouchPalWord();
w.Position = position;
var temp = new byte[4];
fs.Read(temp, 0, 4);
w.Count = BitConverter.ToInt32(temp, 0);
var unkonwByte = new byte[1];
fs.Read(unkonwByte, 0, 1); //这里一个字节不知道干什么的
temp = new byte[wordLength * 2];
fs.Read(temp, 0, wordLength * 2);
w.ChineseWord = Encoding.Unicode.GetString(temp);
GlobalCache.WordList.Add(position, w);
return(w);
}
private void LoadTree(FileStream fs, TouchPalChar root)
{
if (root.CountPosition > 0)
{
GlobalCache.Stackes.Push(root);
int wordLength = GlobalCache.Stackes.Count;
root.Word = TouchPalWord.LoadCountAndWord(wordLength, fs, root.CountPosition);
root.Word.Chars = GlobalCache.Stackes.ToArray();
GlobalCache.Stackes.Pop();
}
#if DEBUG
DebugPrintData(root);
#endif
if (root.NextCharPosition > 0)
{
GlobalCache.Stackes.Push(root);
root.NextChar = TouchPalChar.Load(fs, root.NextCharPosition);
LoadTree(fs, root.NextChar);
}
if (root.NextCharPosition > 0 && root.JumpToPosition > 0)
{
GlobalCache.Stackes.Pop();
}
if (root.JumpToPosition > 0)
{
root.JumpToChar = TouchPalChar.Load(fs, root.JumpToPosition);
LoadTree(fs, root.JumpToChar);
}
if (root.NextCharPosition > 0 && root.JumpToPosition == 0)
{
GlobalCache.Stackes.Pop();
}
//if (root.PrevCharPosition > 0)
//{
// root.PrevChar = TouchPalChar.Load(fs, root.PrevCharPosition);
//}
//if (root.PrevValidCharPosition > 0)
//{
// root.PrevValidChar = TouchPalChar.Load(fs, root.PrevValidCharPosition);
//}
}
/// <summary>
/// Load词频和中文词
/// </summary>
/// <param name="wordLength"></param>
/// <param name="fs"></param>
public static TouchPalWord LoadCountAndWord(int wordLength, FileStream fs, int position)
{
if (position > 0)
{
fs.Position = position;
}
if (GlobalCache.WordList.ContainsKey(position))
{
return GlobalCache.WordList[position];
}
var w = new TouchPalWord();
w.Position = position;
var temp = new byte[4];
fs.Read(temp, 0, 4);
w.Count = BitConverter.ToInt32(temp, 0);
var unkonwByte = new byte[1];
fs.Read(unkonwByte, 0, 1); //这里一个字节不知道干什么的
temp = new byte[wordLength*2];
fs.Read(temp, 0, wordLength*2);
w.ChineseWord = Encoding.Unicode.GetString(temp);
GlobalCache.WordList.Add(position, w);
return w;
}
/// <summary>
/// 将一个词加入到最后一个节点
/// </summary>
/// <param name="rootChar"></param>
/// <param name="wl"></param>
/// <param name="begin"></param>
/// <returns></returns>
private TouchPalChar AddWordLink2Char(TouchPalChar rootChar, WordLibrary wl, int begin)
{
var rootWord = new TouchPalWord {ChineseWord = wl.Word, Count = wl.Count};
TouchPalChar lastChar = rootChar;
if (begin > 0)
{
lastChar = lastChar.Word.Chars[begin - 1];
}
var chars = new TouchPalChar[wl.Word.Length];
rootWord.Chars = chars;
for (int i = 0; i < begin; i++)
{
chars[i] = rootChar.Word.Chars[i];
}
for (int i = begin; i < wl.Word.Length; i++)
{
char c = wl.Word[i];
string py = wl.PinYin[i];
var tpc = new TouchPalChar();
tpc.Char = c;
tpc.PinyinCode = GlobalCache.PinyinIndexMapping[py];
tpc.WordIndex = i + 1;
short s = tpc.IndexAndPinYin;
AddChar2Next(lastChar, tpc);
lastChar = tpc;
chars[i] = lastChar;
}
lastChar.Word = rootWord;
return lastChar;
}