421 lines
8.7 KiB
C#
421 lines
8.7 KiB
C#
/*
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* $Id: Awk.cs,v 1.4 2007/09/30 15:12:20 bacon Exp $
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using COM = System.Runtime.InteropServices.ComTypes;
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namespace ase.com
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{
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public class Awk : ASECOM.IAwkEvents
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{
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private ASECOM.Awk awk;
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private int cookie = -1;
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private COM.IConnectionPoint icp;
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private Stream sourceInputStream = null;
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private Stream sourceOutputStream = null;
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private StreamReader sourceInputReader;
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private StreamWriter sourceOutputWriter;
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private Stream consoleInputStream = null;
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private Stream consoleOutputStream = null;
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private StreamReader consoleInputReader;
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private StreamWriter consoleOutputWriter;
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public delegate object FunctionHandler (object[] args);
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private System.Collections.Hashtable funcTable;
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char[] consoleInputBuffer = new char[1024];
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public Awk()
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{
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this.funcTable = new System.Collections.Hashtable();
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this.awk = new ASECOM.Awk();
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this.awk.UseLongLong = true;
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//this.awk.UseCrlf = true;
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COM.IConnectionPointContainer icpc =
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(COM.IConnectionPointContainer)awk;
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Guid g = typeof(ASECOM.IAwkEvents).GUID;
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try
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{
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icpc.FindConnectionPoint(ref g, out icp);
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icp.Advise(this, out this.cookie);
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}
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catch (System.Runtime.InteropServices.COMException)
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{
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this.cookie = -1;
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//System.Windows.Forms.MessageBox.Show(ex.Message);
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}
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}
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/*~Awk()
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{
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if (cookie != -1 && icp != null)
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{
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try
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{
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icp.Unadvise(cookie);
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cookie = -1;
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}
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catch (System.Runtime.InteropServices.COMException ex)
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{
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System.Windows.Forms.MessageBox.Show(ex.Message);
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}
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}
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}*/
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public int ErrorCode
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{
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get { return awk.ErrorCode; }
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}
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public int ErrorLine
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{
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get { return awk.ErrorLine; }
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}
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public string ErrorMessage
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{
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get { return awk.ErrorMessage; }
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}
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public bool ImplicitVariable
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{
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get { return awk.ImplicitVariable; }
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set { awk.ImplicitVariable = value; }
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}
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public bool ExplicitVariable
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{
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get { return awk.ExplicitVariable; }
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set { awk.ExplicitVariable = value; }
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}
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public bool ShiftOperators
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{
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get { return awk.ShiftOperators; }
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set { awk.ShiftOperators = value; }
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}
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public bool IdivOperator
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{
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get { return awk.IdivOperator; }
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set { awk.IdivOperator = value; }
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}
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public bool ConcatString
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{
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get { return awk.ConcatString; }
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set { awk.ConcatString = value; }
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}
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public bool SupportExtio
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{
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get { return awk.SupportExtio; }
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set { awk.SupportExtio = value; }
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}
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public bool SupportBlockless
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{
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get { return awk.SupportBlockless; }
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set { awk.SupportBlockless = value; }
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}
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public bool BaseOne
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{
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get { return awk.BaseOne; }
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set { awk.BaseOne = value; }
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}
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public bool StripSpaces
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{
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get { return awk.StripSpaces; }
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set { awk.StripSpaces = value; }
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}
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public bool EnableNextofile
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{
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get { return awk.EnableNextofile; }
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set { awk.EnableNextofile = value; }
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}
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public bool Usecrlf
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{
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get { return awk.UseCrlf; }
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set { awk.UseCrlf = value; }
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}
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public bool EnableReset
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{
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get { return awk.EnableReset; }
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set { awk.EnableReset = value; }
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}
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public bool AllowMapToVar
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{
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get { return awk.AllowMapToVar; }
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set { awk.AllowMapToVar = value; }
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}
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public string EntryPoint
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{
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get { return awk.EntryPoint; }
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set { awk.EntryPoint = value; }
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}
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public bool ArgumentsToEntryPoint
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{
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get { return awk.ArgumentsToEntryPoint; }
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set { awk.ArgumentsToEntryPoint = value; }
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}
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public bool Debug
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{
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get { return awk.Debug; }
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set { awk.Debug = value; }
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}
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/* this property doesn't need to be available to the public
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* as it can be always true in .NET environment. However,
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* it is kept private here for reference */
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private bool UseLongLong
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{
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get { return awk.UseLongLong; }
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set { awk.UseLongLong = value; }
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}
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public int MaxDepthForBlockParse
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{
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get { return awk.MaxDepthForBlockParse; }
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set { awk.MaxDepthForBlockParse = value; }
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}
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public int MaxDepthForBlockRun
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{
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get { return awk.MaxDepthForBlockRun; }
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set { awk.MaxDepthForBlockRun = value; }
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}
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public int MaxDepthForExprParse
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{
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get { return awk.MaxDepthForExprParse; }
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set { awk.MaxDepthForExprParse = value; }
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}
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public int MaxDepthForExprRun
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{
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get { return awk.MaxDepthForExprRun; }
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set { awk.MaxDepthForExprRun = value; }
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}
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public int MaxDepthForRexBuild
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{
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get { return awk.MaxDepthForRexBuild; }
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set { awk.MaxDepthForRexBuild = value; }
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}
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public int MaxDepthForRexMatch
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{
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get { return awk.MaxDepthForRexMatch; }
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set { awk.MaxDepthForRexMatch = value; }
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}
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public virtual bool AddFunction(string name, int minArgs, int maxArgs, FunctionHandler handler)
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{
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if (funcTable.ContainsKey(name)) return false;
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funcTable.Add(name, handler);
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if (!awk.AddFunction(name, minArgs, maxArgs))
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{
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funcTable.Remove(name);
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return false;
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}
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return true;
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}
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public virtual bool DeleteFunction(string name)
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{
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if (!funcTable.ContainsKey(name)) return false;
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if (awk.DeleteFunction(name))
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{
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funcTable.Remove(name);
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return true;
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}
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return false;
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}
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public virtual bool Parse()
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{
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return awk.Parse();
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}
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public virtual bool Run ()
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{
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return awk.Run(null);
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}
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public virtual bool Run(string[] args)
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{
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return awk.Run(args);
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}
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public Stream SourceInputStream
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{
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get { return this.sourceInputStream; }
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set { this.sourceInputStream = value; }
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}
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public Stream SourceOutputStream
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{
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get { return this.sourceOutputStream; }
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set { this.sourceOutputStream = value; }
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}
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public Stream ConsoleInputStream
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{
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get { return this.consoleInputStream; }
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set { this.consoleInputStream = value; }
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}
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public Stream ConsoleOutputStream
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{
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get { return this.consoleOutputStream; }
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set { this.consoleOutputStream = value; }
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}
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public virtual int OpenSource(ASECOM.AwkSourceMode mode)
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{
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if (mode == ASECOM.AwkSourceMode.AWK_SOURCE_READ)
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{
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if (this.sourceInputStream == null) return 0;
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this.sourceInputReader = new StreamReader (this.sourceInputStream);
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return 1;
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}
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else if (mode == ASECOM.AwkSourceMode.AWK_SOURCE_WRITE)
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{
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if (this.sourceOutputStream == null) return 0;
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this.sourceOutputWriter = new StreamWriter (this.sourceOutputStream);
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return 1;
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}
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return -1;
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}
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public virtual int CloseSource(ASECOM.AwkSourceMode mode)
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{
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if (mode == ASECOM.AwkSourceMode.AWK_SOURCE_READ)
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{
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this.sourceInputReader.Close ();
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return 0;
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}
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else if (mode == ASECOM.AwkSourceMode.AWK_SOURCE_WRITE)
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{
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this.sourceOutputWriter.Close ();
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return 0;
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}
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return -1;
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}
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public virtual int ReadSource(ASECOM.Buffer buf)
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{
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buf.Value = this.sourceInputReader.ReadLine();
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if (buf.Value == null) return 0;
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return buf.Value.Length;
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}
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public virtual int WriteSource(ASECOM.Buffer buf)
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{
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this.sourceOutputWriter.Write(buf.Value);
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return buf.Value.Length;
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}
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public virtual int OpenExtio(ASECOM.AwkExtio extio)
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{
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if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_READ)
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{
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if (this.consoleInputStream == null) return 0;
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this.consoleInputReader = new StreamReader(this.consoleInputStream);
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return 1;
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}
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else if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_WRITE)
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{
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if (this.consoleOutputStream == null) return 0;
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this.consoleOutputWriter = new StreamWriter(this.consoleOutputStream);
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return 1;
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}
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return -1;
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}
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public virtual int CloseExtio(ASECOM.AwkExtio extio)
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{
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if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_READ)
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{
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this.consoleInputReader.Close();
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return 0;
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}
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else if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_WRITE)
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{
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this.consoleOutputWriter.Close();
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return 0;
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}
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return -1;
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}
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public virtual int ReadExtio(ASECOM.AwkExtio extio, ASECOM.Buffer buf)
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{
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if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_READ)
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{
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int n = this.consoleInputReader.Read(consoleInputBuffer, 0, consoleInputBuffer.Length);
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if (n == 0) return 0;
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buf.Value = new string(consoleInputBuffer, 0, n);
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return buf.Value.Length;
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}
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return -1;
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}
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public virtual int WriteExtio(ASECOM.AwkExtio extio, ASECOM.Buffer buf)
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{
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if (extio.Mode == ASECOM.AwkExtioMode.AWK_EXTIO_CONSOLE_WRITE)
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{
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this.consoleOutputWriter.Write(buf.Value);
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return buf.Value.Length;
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}
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return -1;
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}
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public virtual int FlushExtio(ASECOM.AwkExtio extio)
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{
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return -1;
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}
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public virtual int NextExtio(ASECOM.AwkExtio extio)
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{
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return 1;
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}
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public virtual object HandleFunction(string name, object argarray)
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{
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FunctionHandler handler = (FunctionHandler)funcTable[name];
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return handler((object[])argarray);
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}
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}
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}
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