main/src/addins/AspNetAddIn/MonoDevelop.AspNet.Parser/PageInfoVisitor.cs

   1 //
   2 // PageInfoVisitor.cs: Collects information about the document from ASP.NET
   3 //     document tree, for code completion and other services.
   4 //
   5 // Authors:
   6 //   Michael Hutchinson <m.j.hutchinson@gmail.com>
   7 //
   8 // Copyright (C) 2006 Michael Hutchinson
   9 //
  10 //
  11 // This source code is licenced under The MIT License:
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using MonoDevelop.AspNet.Parser.Dom;
  35 using MonoDevelop.AspNet;
  36
  37 namespace MonoDevelop.AspNet.Parser
  38 {
  39         public class PageInfoVisitor : Visitor
  40         {
  41                 PageInfo info;
  42
  43                 public PageInfoVisitor (PageInfo info)
  44                 {
  45                         this.info = info;
  46                 }
  47
  48                 public override void Visit (DirectiveNode node)
  49                 {
  50                         if (info.Subtype == WebSubtype.None) {
  51                                 info.SetSubtypeFromDirective (node.Name);
  52                         }
  53                         else if (String.Compare (node.Name, "mastertype", StringComparison.OrdinalIgnoreCase) == 0)
  54                         {
  55                                 info.MasterPageTypeName = node.Attributes["typename"] as string;
  56                                 info.MasterPageTypeVPath = node.Attributes["virtualpath"] as string;
  57                                 return;
  58                         }
  59                         else
  60                                 return;
  61
  62                         //after SetSubtypeFromDirective
  63                         if (info.Subtype != WebSubtype.WebForm && info.Subtype != WebSubtype.MasterPage
  64                             && info.Subtype != WebSubtype.WebControl)
  65                                 return;
  66
  67                         info.InheritedClass = node.Attributes ["inherits"] as string;
  68                         if (info.InheritedClass == null)
  69                                 info.InheritedClass = node.Attributes ["class"] as string;
  70
  71                         info.CodeBehindFile = node.Attributes ["codebehind"] as string;
  72                         info.Language = node.Attributes ["language"] as string;
  73                         info.CodeFile = node.Attributes ["codefile"] as string;
  74                         info.MasterPageFile = node.Attributes ["masterpagefile"] as string;
  75                 }
  76
  77                 public override void Visit (TextNode node)
  78                 {
  79                         int start = node.Text.IndexOf ("<!DOCTYPE");
  80                         if (start < 0)
  81                                 return;
  82                         int end = node.Text.IndexOf (">", start);
  83                         info.DocType = node.Text.Substring (start, end - start + 1);
  84                         QuickExit = true;
  85                 }
  86
  87
  88                 public override void Visit (TagNode node)
  89                 {
  90                         //as soon as tags are declared, doctypes and the page directive must been set
  91                         QuickExit = true;
  92                 }
  93
  94
  95                 public PageInfo Info {
  96                         get { return info; }
  97                 }
  98
  99                 public override string ToString ()
 100                 {
 101                         return info.ToString ();
 102                 }
 103         }
 104 }