← Back to branch summary

~ubuntu-branches/ubuntu/trusty/monodevelop/trusty-proposed

« back to all changes in this revision

Viewing changes to contrib/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/IntroduceFormatItemAction.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

Show diffs side-by-side

added added

removed removed

Lines of Context:
contrib/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/IntroduceFormatItemAction.cs
1
 
// 
2
 
// IntroduceFormatItem.cs
3
 
//  
4
 
// Author:
5
 
//       Mike Krüger <mkrueger@novell.com>
6
 
// 
7
 
// Copyright (c) 2011 Novell, Inc (http://www.novell.com)
8
 
// 
9
 
// Permission is hereby granted, free of charge, to any person obtaining a copy
10
 
// of this software and associated documentation files (the "Software"), to deal
11
 
// in the Software without restriction, including without limitation the rights
12
 
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13
 
// copies of the Software, and to permit persons to whom the Software is
14
 
// furnished to do so, subject to the following conditions:
15
 
// 
16
 
// The above copyright notice and this permission notice shall be included in
17
 
// all copies or substantial portions of the Software.
18
 
// 
19
 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20
 
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21
 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22
 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23
 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24
 
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25
 
// THE SOFTWARE.
26
 
 
27
 
using System;
28
 
using ICSharpCode.NRefactory.PatternMatching;
29
 
using System.Collections.Generic;
30
 
using System.Linq;
31
 
using System.Threading;
32
 
 
33
 
namespace ICSharpCode.NRefactory.CSharp.Refactoring
34
 
{
35
 
        /// <summary>
36
 
        /// Introduce format item. Works on strings that contain selections.
37
 
        /// "this is <some> string" => string.Format ("this is {0} string", <some>)
38
 
        /// </summary>
39
 
        [ContextAction("Introduce format item", Description = "Creates a string.format call with the selection as parameter.")]
40
 
        public class IntroduceFormatItemAction : ICodeActionProvider
41
 
        {
42
 
                readonly static MemberReferenceExpression PrototypeFormatReference = new MemberReferenceExpression (new TypeReferenceExpression (new PrimitiveType ("string")), "Format");
43
 
                
44
 
                public IEnumerable<CodeAction> GetActions(RefactoringContext context)
45
 
                {
46
 
                        if (!context.IsSomethingSelected) {
47
 
                                yield break;
48
 
                        }
49
 
                        var pexpr = context.GetNode<PrimitiveExpression>();
50
 
                        if (pexpr == null || !(pexpr.Value is string)) {
51
 
                                yield break;
52
 
                        }
53
 
                        if (pexpr.LiteralValue.StartsWith("@")) {
54
 
                                if (!(pexpr.StartLocation < new TextLocation (context.Location.Line, context.Location.Column - 1) && new TextLocation (context.Location.Line, context.Location.Column + 1) < pexpr.EndLocation)) {
55
 
                                        yield break;
56
 
                                }
57
 
                        } else {
58
 
                                if (!(pexpr.StartLocation < context.Location && context.Location < pexpr.EndLocation)) {
59
 
                                        yield break;
60
 
                                }
61
 
                        }
62
 
 
63
 
                        yield return new CodeAction (context.TranslateString("Introduce format item"), script => {
64
 
                                var invocation = context.GetNode<InvocationExpression>();
65
 
                                if (invocation != null && invocation.Target.IsMatch(PrototypeFormatReference)) {
66
 
                                        AddFormatCallToInvocation(context, script, pexpr, invocation);
67
 
                                        return;
68
 
                                }
69
 
                        
70
 
                                var arg = CreateFormatArgument(context);
71
 
                                var newInvocation = new InvocationExpression (PrototypeFormatReference.Clone()) {
72
 
                                        Arguments = { CreateFormatString(context, pexpr, 0), arg }
73
 
                                };
74
 
                        
75
 
                                script.Replace(pexpr, newInvocation);
76
 
                                script.Select(arg);
77
 
                        });
78
 
 
79
 
                }
80
 
                
81
 
                void AddFormatCallToInvocation (RefactoringContext context, Script script, PrimitiveExpression pExpr, InvocationExpression invocation)
82
 
                {
83
 
                        var newInvocation = (InvocationExpression)invocation.Clone ();
84
 
                        
85
 
                        newInvocation.Arguments.First ().ReplaceWith (CreateFormatString (context, pExpr, newInvocation.Arguments.Count () - 1));
86
 
                        newInvocation.Arguments.Add (CreateFormatArgument (context));
87
 
                        
88
 
                        script.Replace (invocation, newInvocation);
89
 
                }
90
 
                
91
 
                static PrimitiveExpression CreateFormatArgument (RefactoringContext context)
92
 
                {
93
 
                        return new PrimitiveExpression (context.SelectedText);
94
 
                }
95
 
                
96
 
                static PrimitiveExpression CreateFormatString(RefactoringContext context, PrimitiveExpression pExpr, int argumentNumber)
97
 
                {
98
 
                        var start = context.GetOffset(pExpr.StartLocation);
99
 
                        var end = context.GetOffset(pExpr.EndLocation);
100
 
                        var sStart = context.GetOffset(context.SelectionStart);
101
 
                        var sEnd = context.GetOffset(context.SelectionEnd);
102
 
                        return new PrimitiveExpression("", context.GetText(start, sStart - start) + "{" + argumentNumber + "}" + context.GetText(sEnd, end - sEnd));
103
 
                }
104
 
        }
105
 
}