ParserItem.cs :  » IDEs » MonoDevelop » PyBinding » Parser » C# / CSharp Open Source

// 
// ParserItem.cs
//  
// Author:
//       Christian Hergert <chris@dronelabs.com>
// 
// Copyright (c) 2009 Christian Hergert
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Data;

using Mono.Data.Sqlite;

namespace PyBinding.Parser{
  public enum ParserItemType
  {
    Module,
    Class,
    Function,
    Attribute,
    Local,
    Any,
  }
  
  public class ParserItem
  {
    public string FileName {
      get;
      set;
    }
    
    public int LineNumber {
      get;
      set;
    }
    
    public ParserItemType ItemType {
      get;
      set;
    }
    
    public string FullName {
      get;
      set;
    }
    
    public int Depth {
      get {
        int i = 0;
        foreach (var c in FullName)
          if (c == '.')
            i++;
        return i;
      }
    }
    
    public string Documentation {
      get;
      set;
    }
    
    public string Extra {
      get;
      set;
    }
    
    static SqliteCommand s_InsertCommand;
    
    SqliteCommand GetInsertCommand ()
    {
      if (s_InsertCommand == null) {
        var command = new SqliteCommand ();
        command.CommandText =
          "INSERT OR REPLACE into Items (" +
          "FullName, Depth, FileName, LineNumber, ItemType, Pydoc, Extra) " +
          "VALUES (@FullName, @Depth, @FileName, @LineNumber, @ItemType, @Pydoc, @Extra)";
        command.Parameters.Add ("FullName", DbType.String);
        command.Parameters.Add ("Depth", DbType.Int32);
        command.Parameters.Add ("FileName", DbType.String);
        command.Parameters.Add ("LineNumber", DbType.Int32);
        command.Parameters.Add ("ItemType", DbType.Int32);
        command.Parameters.Add ("Pydoc", DbType.String);
        command.Parameters.Add ("Extra", DbType.String);
        s_InsertCommand = command;
      }
      
      var copyCommand = s_InsertCommand.Clone () as SqliteCommand;
      return copyCommand;
    }
    
    public void Serialize (SqliteConnection conn)
    {
      using (var command = GetInsertCommand ())
      {
        command.Connection = conn;
        command.Parameters["FullName"].Value = FullName;
        command.Parameters["Depth"].Value = Depth;
        command.Parameters["FileName"].Value = FileName;
        command.Parameters["LineNumber"].Value = LineNumber;
        command.Parameters["ItemType"].Value = (int)ItemType;
        command.Parameters["Pydoc"].Value = Documentation;
        command.Parameters["Extra"].Value = Extra;
        command.ExecuteNonQuery ();
      }
    }
    
    public void Deserialize (SqliteDataReader reader)
    {
      this.FullName = reader.GetString (0) as String;
      this.FileName = reader.GetString (1) as String;
      this.LineNumber = reader.GetInt32 (2);
      this.ItemType = (ParserItemType)reader.GetInt32 (3);
      var docValue = reader.GetValue (4);
      if (docValue.GetType () == typeof (String))
        this.Documentation = (string)docValue;
      var extraValue = reader.GetValue (5);
      if (extraValue.GetType () == typeof (string))
        this.Extra = (string)extraValue;
    }
  }
}