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// vim:set ts=4 sts=4 sw=4 tw=0:
using System;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
namespace KaoriYa.Migemo
{
public class Migemo : IDisposable
{
#region Enumerations (from migemo.h)
#region enum DictionaryIndex
public enum DictionaryId
{
Invalid = 0,
Migemo = 1,
RomaToHira = 2,
HiraToKata = 3,
HanToZen = 4,
}
#endregion
#region enum OperatorIndex
public enum OperatorIndex
{
Or = 0,
NestIn = 1,
NestOut = 2,
SelectIn = 3,
SelectOut = 4,
NewLine = 5,
}
#endregion
#endregion
#region Link to migemo.dll
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private static extern IntPtr migemo_open(string dict);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern void migemo_close(IntPtr obj);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private static extern IntPtr migemo_query(IntPtr obj, string query);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern void migemo_release(IntPtr obj, IntPtr result);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private static extern int migemo_set_operator(IntPtr obj,
OperatorIndex index, string op);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr migemo_get_operator(IntPtr obj,
OperatorIndex index);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
private static extern DictionaryId migemo_load(IntPtr obj,
DictionaryId id, string file);
[DllImport("migemo.dll", CallingConvention = CallingConvention.Cdecl)]
private static extern int migemo_is_enable(IntPtr obj);
#endregion
private IntPtr migemoObject = IntPtr.Zero;
public IntPtr MigemoObject
{
get
{
return this.migemoObject;
}
}
public bool SetOperator(OperatorIndex index, string op)
{
return migemo_set_operator(this.migemoObject, index, op) != 0;
}
public string GetOperator(OperatorIndex index)
{
IntPtr result = migemo_get_operator(this.migemoObject, index);
if (result != IntPtr.Zero)
return Marshal.PtrToStringAnsi(result);
else
return "";
}
#region Operator properties
public string OperatorOr {
get { return GetOperator(OperatorIndex.Or); }
set { SetOperator(OperatorIndex.Or, value); }
}
public string OperatorNestIn {
get { return GetOperator(OperatorIndex.NestIn); }
set { SetOperator(OperatorIndex.NestIn, value); }
}
public string OperatorNestOut {
get { return GetOperator(OperatorIndex.NestOut); }
set { SetOperator(OperatorIndex.NestOut, value); }
}
public string OperatorSelectIn {
get { return GetOperator(OperatorIndex.SelectIn); }
set { SetOperator(OperatorIndex.SelectIn, value); }
}
public string OperatorSelectOut {
get { return GetOperator(OperatorIndex.SelectOut); }
set { SetOperator(OperatorIndex.SelectOut, value); }
}
public string OperatorNewLine {
get { return GetOperator(OperatorIndex.NewLine); }
set { SetOperator(OperatorIndex.NewLine, value); }
}
#endregion
public bool LoadDictionary(DictionaryId id, string file)
{
DictionaryId result = migemo_load(this.migemoObject, id, file);
return result == id;
}
public bool IsEnable()
{
return migemo_is_enable(this.migemoObject) != 0;
}
public Regex GetRegex(string query)
{
return new Regex(Query(query));
}
public string Query(string query)
{
IntPtr result = migemo_query(this.migemoObject, query);
if (result != IntPtr.Zero)
{
string retval = Marshal.PtrToStringAnsi(result);
migemo_release(this.migemoObject, result);
return retval;
}
else
return "";
}
public void Dispose()
{
//Console.WriteLine("HERE ("+this.migemoObject+")");
if (this.migemoObject != IntPtr.Zero)
{
//Console.WriteLine("migemo_close() is called");
migemo_close(this.migemoObject);
this.migemoObject = IntPtr.Zero;
}
GC.SuppressFinalize(this);
}
public Migemo(string dictpath)
{
this.migemoObject = migemo_open(dictpath);
this.OperatorNestIn = "(?:";
//this.OperatorNewLine = "\\s*";
}
public Migemo() : this(null)
{
}
~Migemo()
{
this.Dispose();
}
#region Test entrypoint
#if TEST_MIGEMO
// eXg
public static int Main(string[] args)
{
Migemo m;
if (args.Length > 0)
{
m = new Migemo(args[0]);
Console.WriteLine("Migemo object is initialized with "
+args[0]);
}
else
{
m = new Migemo();
Console.WriteLine("Migemo object is initialized");
}
Console.WriteLine("MigemoObject="+m.MigemoObject);
string result = m.Query("ao");
Console.WriteLine("ai="+result);
OperatorIndex[] opall = {
OperatorIndex.Or, OperatorIndex.NestIn,
OperatorIndex.NestOut, OperatorIndex.SelectIn,
OperatorIndex.SelectOut, OperatorIndex.NewLine
};
foreach (OperatorIndex index in opall)
Console.WriteLine("OperatorIndex[{0}]={1}",
index, m.GetOperator(index));
return 0;
}
#endif
#endregion
}
}
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