LCOV - code coverage report
Current view: directory - content/xslt/src/xslt - txMozillaTextOutput.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 105 0 0.0 %
Date: 2012-06-02 Functions: 17 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is TransforMiiX XSLT processor code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2001
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Peter Van der Beken <peterv@propagandism.org>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "txMozillaTextOutput.h"
      40                 : #include "nsContentCID.h"
      41                 : #include "nsIContent.h"
      42                 : #include "nsIDocument.h"
      43                 : #include "nsIDOMDocument.h"
      44                 : #include "nsIDOMDocumentFragment.h"
      45                 : #include "nsIDocumentTransformer.h"
      46                 : #include "nsNetUtil.h"
      47                 : #include "nsIParser.h"
      48                 : #include "nsCharsetAlias.h"
      49                 : #include "nsIPrincipal.h"
      50                 : #include "txURIUtils.h"
      51                 : #include "nsContentCreatorFunctions.h"
      52                 : #include "nsContentUtils.h"
      53                 : #include "nsGkAtoms.h"
      54                 : 
      55                 : using namespace mozilla::dom;
      56                 : 
      57               0 : txMozillaTextOutput::txMozillaTextOutput(nsITransformObserver* aObserver)
      58                 : {
      59               0 :     MOZ_COUNT_CTOR(txMozillaTextOutput);
      60               0 :     mObserver = do_GetWeakReference(aObserver);
      61               0 : }
      62                 : 
      63               0 : txMozillaTextOutput::txMozillaTextOutput(nsIDOMDocumentFragment* aDest)
      64                 : {
      65               0 :     MOZ_COUNT_CTOR(txMozillaTextOutput);
      66               0 :     mTextParent = do_QueryInterface(aDest);
      67               0 :     mDocument = mTextParent->OwnerDoc();
      68               0 : }
      69                 : 
      70               0 : txMozillaTextOutput::~txMozillaTextOutput()
      71                 : {
      72               0 :     MOZ_COUNT_DTOR(txMozillaTextOutput);
      73               0 : }
      74                 : 
      75                 : nsresult
      76               0 : txMozillaTextOutput::attribute(nsIAtom* aPrefix, nsIAtom* aLocalName,
      77                 :                                nsIAtom* aLowercaseLocalName,
      78                 :                                PRInt32 aNsID, const nsString& aValue)
      79                 : {
      80               0 :     return NS_OK;
      81                 : }
      82                 : 
      83                 : nsresult
      84               0 : txMozillaTextOutput::attribute(nsIAtom* aPrefix, const nsSubstring& aName,
      85                 :                                const PRInt32 aNsID,
      86                 :                                const nsString& aValue)
      87                 : {
      88               0 :     return NS_OK;
      89                 : }
      90                 : 
      91                 : nsresult
      92               0 : txMozillaTextOutput::characters(const nsSubstring& aData, bool aDOE)
      93                 : {
      94               0 :     mText.Append(aData);
      95                 : 
      96               0 :     return NS_OK;
      97                 : }
      98                 : 
      99                 : nsresult
     100               0 : txMozillaTextOutput::comment(const nsString& aData)
     101                 : {
     102               0 :     return NS_OK;
     103                 : }
     104                 : 
     105                 : nsresult
     106               0 : txMozillaTextOutput::endDocument(nsresult aResult)
     107                 : {
     108               0 :     NS_ENSURE_TRUE(mDocument && mTextParent, NS_ERROR_FAILURE);
     109                 : 
     110               0 :     nsCOMPtr<nsIContent> text;
     111               0 :     nsresult rv = NS_NewTextNode(getter_AddRefs(text),
     112               0 :                                  mDocument->NodeInfoManager());
     113               0 :     NS_ENSURE_SUCCESS(rv, rv);
     114                 :     
     115               0 :     text->SetText(mText, false);
     116               0 :     rv = mTextParent->AppendChildTo(text, true);
     117               0 :     NS_ENSURE_SUCCESS(rv, rv);
     118                 : 
     119               0 :     if (NS_SUCCEEDED(aResult)) {
     120               0 :         nsCOMPtr<nsITransformObserver> observer = do_QueryReferent(mObserver);
     121               0 :         if (observer) {
     122               0 :             observer->OnTransformDone(aResult, mDocument);
     123                 :         }
     124                 :     }
     125                 : 
     126               0 :     return NS_OK;
     127                 : }
     128                 : 
     129                 : nsresult
     130               0 : txMozillaTextOutput::endElement()
     131                 : {
     132               0 :     return NS_OK;
     133                 : }
     134                 : 
     135                 : nsresult
     136               0 : txMozillaTextOutput::processingInstruction(const nsString& aTarget,
     137                 :                                            const nsString& aData)
     138                 : {
     139               0 :     return NS_OK;
     140                 : }
     141                 : 
     142                 : nsresult
     143               0 : txMozillaTextOutput::startDocument()
     144                 : {
     145               0 :     return NS_OK;
     146                 : }
     147                 : 
     148                 : nsresult
     149               0 : txMozillaTextOutput::createResultDocument(nsIDOMDocument* aSourceDocument)
     150                 : {
     151                 :     /*
     152                 :      * Create an XHTML document to hold the text.
     153                 :      *
     154                 :      * <html>
     155                 :      *   <head />
     156                 :      *   <body>
     157                 :      *     <pre id="transformiixResult"> * The text comes here * </pre>
     158                 :      *   <body>
     159                 :      * </html>
     160                 :      *
     161                 :      * Except if we are transforming into a non-displayed document we create
     162                 :      * the following DOM
     163                 :      *
     164                 :      * <transformiix:result> * The text comes here * </transformiix:result>
     165                 :      */
     166                 : 
     167                 :     // Create the document
     168               0 :     nsresult rv = NS_NewXMLDocument(getter_AddRefs(mDocument));
     169               0 :     NS_ENSURE_SUCCESS(rv, rv);
     170               0 :     nsCOMPtr<nsIDocument> source = do_QueryInterface(aSourceDocument);
     171               0 :     NS_ENSURE_STATE(source);
     172               0 :     bool hasHadScriptObject = false;
     173                 :     nsIScriptGlobalObject* sgo =
     174               0 :       source->GetScriptHandlingObject(hasHadScriptObject);
     175               0 :     NS_ENSURE_STATE(sgo || !hasHadScriptObject);
     176               0 :     mDocument->SetScriptHandlingObject(sgo);
     177                 : 
     178               0 :     NS_ASSERTION(mDocument, "Need document");
     179                 : 
     180                 :     // Reset and set up document
     181               0 :     URIUtils::ResetWithSource(mDocument, aSourceDocument);
     182                 : 
     183                 :     // Set the charset
     184               0 :     if (!mOutputFormat.mEncoding.IsEmpty()) {
     185               0 :         NS_LossyConvertUTF16toASCII charset(mOutputFormat.mEncoding);
     186               0 :         nsCAutoString canonicalCharset;
     187                 : 
     188               0 :         if (NS_SUCCEEDED(nsCharsetAlias::GetPreferred(charset,
     189                 :                                                       canonicalCharset))) {
     190               0 :             mDocument->SetDocumentCharacterSetSource(kCharsetFromOtherComponent);
     191               0 :             mDocument->SetDocumentCharacterSet(canonicalCharset);
     192                 :         }
     193                 :     }
     194                 : 
     195                 :     // Notify the contentsink that the document is created
     196               0 :     nsCOMPtr<nsITransformObserver> observer = do_QueryReferent(mObserver);
     197               0 :     if (observer) {
     198               0 :         rv = observer->OnDocumentCreated(mDocument);
     199               0 :         NS_ENSURE_SUCCESS(rv, rv);
     200                 :     }
     201                 : 
     202                 :     // Create the content
     203                 : 
     204                 :     // When transforming into a non-displayed document (i.e. when there is no
     205                 :     // observer) we only create a transformiix:result root element.
     206               0 :     if (!observer) {
     207                 :         PRInt32 namespaceID;
     208               0 :         rv = nsContentUtils::NameSpaceManager()->
     209               0 :             RegisterNameSpace(NS_LITERAL_STRING(kTXNameSpaceURI), namespaceID);
     210               0 :         NS_ENSURE_SUCCESS(rv, rv);
     211                 : 
     212               0 :         rv = mDocument->CreateElem(nsDependentAtomString(nsGkAtoms::result),
     213                 :                                    nsGkAtoms::transformiix, namespaceID,
     214               0 :                                    getter_AddRefs(mTextParent));
     215               0 :         NS_ENSURE_SUCCESS(rv, rv);
     216                 : 
     217                 : 
     218               0 :         rv = mDocument->AppendChildTo(mTextParent, true);
     219               0 :         NS_ENSURE_SUCCESS(rv, rv);
     220                 :     }
     221                 :     else {
     222               0 :         nsCOMPtr<nsIContent> html, head, body;
     223               0 :         rv = createXHTMLElement(nsGkAtoms::html, getter_AddRefs(html));
     224               0 :         NS_ENSURE_SUCCESS(rv, rv);
     225                 : 
     226               0 :         rv = createXHTMLElement(nsGkAtoms::head, getter_AddRefs(head));
     227               0 :         NS_ENSURE_SUCCESS(rv, rv);
     228                 : 
     229               0 :         rv = html->AppendChildTo(head, false);
     230               0 :         NS_ENSURE_SUCCESS(rv, rv);
     231                 : 
     232               0 :         rv = createXHTMLElement(nsGkAtoms::body, getter_AddRefs(body));
     233               0 :         NS_ENSURE_SUCCESS(rv, rv);
     234                 : 
     235               0 :         rv = html->AppendChildTo(body, false);
     236               0 :         NS_ENSURE_SUCCESS(rv, rv);
     237                 : 
     238               0 :         rv = createXHTMLElement(nsGkAtoms::pre, getter_AddRefs(mTextParent));
     239               0 :         NS_ENSURE_SUCCESS(rv, rv);
     240                 : 
     241                 :         rv = mTextParent->SetAttr(kNameSpaceID_None, nsGkAtoms::id,
     242               0 :                                   NS_LITERAL_STRING("transformiixResult"),
     243               0 :                                   false);
     244               0 :         NS_ENSURE_SUCCESS(rv, rv);
     245                 : 
     246               0 :         rv = body->AppendChildTo(mTextParent, false);
     247               0 :         NS_ENSURE_SUCCESS(rv, rv);
     248                 : 
     249               0 :         rv = mDocument->AppendChildTo(html, true);
     250               0 :         NS_ENSURE_SUCCESS(rv, rv);
     251                 :     }
     252                 : 
     253               0 :     return NS_OK;
     254                 : }
     255                 : 
     256                 : nsresult
     257               0 : txMozillaTextOutput::startElement(nsIAtom* aPrefix, nsIAtom* aLocalName,
     258                 :                                   nsIAtom* aLowercaseLocalName, PRInt32 aNsID)
     259                 : {
     260               0 :     return NS_OK;
     261                 : }
     262                 : 
     263                 : nsresult
     264               0 : txMozillaTextOutput::startElement(nsIAtom* aPrefix, const nsSubstring& aName,
     265                 :                                   const PRInt32 aNsID)
     266                 : {
     267               0 :     return NS_OK;
     268                 : }
     269                 : 
     270               0 : void txMozillaTextOutput::getOutputDocument(nsIDOMDocument** aDocument)
     271                 : {
     272               0 :     CallQueryInterface(mDocument, aDocument);
     273               0 : }
     274                 : 
     275                 : nsresult
     276               0 : txMozillaTextOutput::createXHTMLElement(nsIAtom* aName,
     277                 :                                         nsIContent** aResult)
     278                 : {
     279               0 :     *aResult = nsnull;
     280                 : 
     281               0 :     nsCOMPtr<nsINodeInfo> ni;
     282                 :     ni = mDocument->NodeInfoManager()->
     283                 :         GetNodeInfo(aName, nsnull, kNameSpaceID_XHTML,
     284               0 :                     nsIDOMNode::ELEMENT_NODE);
     285               0 :     NS_ENSURE_TRUE(ni, NS_ERROR_OUT_OF_MEMORY);
     286                 : 
     287               0 :     return NS_NewHTMLElement(aResult, ni.forget(), NOT_FROM_PARSER);
     288                 : }

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