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1 /**
2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB.  If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  *
19  */
20 
21 #include "config.h"
22 
23 #if ENABLE(WML)
24 #include "WMLErrorHandling.h"
25 
26 #include "Console.h"
27 #include "Frame.h"
28 #include "Document.h"
29 #include "DOMWindow.h"
30 #include "XMLDocumentParser.h"
31 #include <wtf/text/CString.h>
32 
33 namespace WebCore {
34 
reportWMLError(Document * doc,WMLErrorCode error)35 void reportWMLError(Document* doc, WMLErrorCode error)
36 {
37     if (!doc || error == WMLErrorUnknown)
38         return;
39 
40     String errorMessage = errorMessageForErrorCode(error);
41     XMLDocumentParser* parser = static_cast<XMLDocumentParser*>(doc->parser());
42     if (parser && error != WMLErrorDeckNotAccessible) {
43         // Some errors are reported as result of an insertedIntoDocument() call.
44         // If this happened, parsing has been stopped, and the document fragment
45         // is wrapped in a XHTML error document. That means insertedIntoDocument()
46         // will be called again - do NOT report the error twice, that would result
47         // in an infinite error reporting loop.
48         if (!parser->wellFormed())
49             return;
50 
51         parser->handleError(XMLDocumentParser::fatal, errorMessage.latin1().data(), parser->textPositionOneBased());
52     } else {
53         Frame* frame = doc->frame();
54         if (!frame)
55             return;
56 
57         DOMWindow* domWindow = frame->domWindow();
58         if (!domWindow)
59             return;
60 
61         Console* console = domWindow->console();
62         if (!console)
63             return;
64 
65         console->addMessage(WMLMessageSource, LogMessageType, ErrorMessageLevel, errorMessage, 0, String());
66     }
67 }
68 
errorMessageForErrorCode(WMLErrorCode error)69 String errorMessageForErrorCode(WMLErrorCode error)
70 {
71     switch (error) {
72     case WMLErrorConflictingEventBinding:
73         return "Conflicting event bindings within an element.";
74     case WMLErrorDeckNotAccessible:
75         return "Deck not accessible.";
76     case WMLErrorDuplicatedDoElement:
77         return "At least two do elements share a name, which is not allowed.";
78     case WMLErrorForbiddenTaskInAnchorElement:
79         return "Forbidden task contained in anchor element.";
80     case WMLErrorInvalidColumnsNumberInTable:
81         return "A table contains an invalid number of columns.";
82     case WMLErrorInvalidVariableName:
83         return "A variable name contains invalid characters.";
84     case WMLErrorInvalidVariableReference:
85         return "A variable reference uses invalid syntax.";
86     case WMLErrorInvalidVariableReferenceLocation:
87         return "A variable reference is placed in an invalid location.";
88     case WMLErrorMultipleAccessElements:
89         return "Only one access element is allowed in a deck.";
90     case WMLErrorMultipleTemplateElements:
91         return "Only one template element is allowed in a deck.";
92     case WMLErrorNoCardInDocument:
93         return "No card contained in document.";
94     case WMLErrorMultipleTimerElements:
95         return "Only one timer element is allowed in a card.";
96     case WMLErrorUnknown:
97         return String();
98     };
99 
100     ASSERT_NOT_REACHED();
101     return String();
102 }
103 
104 }
105 
106 #endif
107