LCOV - app.info - content/xslt/src/xslt/txUnknownHandler.cpp

LCOV - code coverage report
| Current view: | directory - content/xslt/src/xslt - txUnknownHandler.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 73 | 0 | 0.0 %
| Date: | 2012-07-07 | Functions: | 14 | 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 "txUnknownHandler.h"
          40                 : #include "txExecutionState.h"
          41                 : #include "txStringUtils.h"
          42                 : #include "txStylesheet.h"
          43                 : #include "nsGkAtoms.h"
          44                 :
          45               0 : txUnknownHandler::txUnknownHandler(txExecutionState* aEs)
          46                 :     : mEs(aEs),
          47               0 :       mFlushed(false)
          48                 : {
          49               0 :     MOZ_COUNT_CTOR_INHERITED(txUnknownHandler, txBufferingHandler);
          50               0 : }
          51                 :
          52               0 : txUnknownHandler::~txUnknownHandler()
          53                 : {
          54               0 :     MOZ_COUNT_DTOR_INHERITED(txUnknownHandler, txBufferingHandler);
          55               0 : }
          56                 :
          57                 : nsresult
          58               0 : txUnknownHandler::attribute(nsIAtom* aPrefix, nsIAtom* aLocalName,
          59                 :                             nsIAtom* aLowercaseLocalName, PRInt32 aNsID,
          60                 :                             const nsString& aValue)
          61                 : {
          62                 :     return mFlushed ?
          63                 :            mEs->mResultHandler->attribute(aPrefix, aLocalName,
          64               0 :                                           aLowercaseLocalName, aNsID, aValue) :
          65                 :            txBufferingHandler::attribute(aPrefix, aLocalName,
          66               0 :                                          aLowercaseLocalName, aNsID, aValue);
          67                 : }
          68                 :
          69                 : nsresult
          70               0 : txUnknownHandler::attribute(nsIAtom* aPrefix, const nsSubstring& aLocalName,
          71                 :                             const PRInt32 aNsID, const nsString& aValue)
          72                 : {
          73                 :     return mFlushed ?
          74               0 :            mEs->mResultHandler->attribute(aPrefix, aLocalName, aNsID, aValue) :
          75               0 :            txBufferingHandler::attribute(aPrefix, aLocalName, aNsID, aValue);
          76                 : }
          77                 :
          78                 : nsresult
          79               0 : txUnknownHandler::characters(const nsSubstring& aData, bool aDOE)
          80                 : {
          81                 :     return mFlushed ?
          82               0 :            mEs->mResultHandler->characters(aData, aDOE) :
          83               0 :            txBufferingHandler::characters(aData, aDOE);
          84                 : }
          85                 :
          86                 : nsresult
          87               0 : txUnknownHandler::comment(const nsString& aData)
          88                 : {
          89                 :     return mFlushed ?
          90               0 :            mEs->mResultHandler->comment(aData) :
          91               0 :            txBufferingHandler::comment(aData);
          92                 : }
          93                 :
          94                 : nsresult
          95               0 : txUnknownHandler::endDocument(nsresult aResult)
          96                 : {
          97               0 :     if (!mFlushed) {
          98               0 :         if (NS_FAILED(aResult)) {
          99               0 :             return NS_OK;
         100                 :         }
         101                 :
         102                 :         // This is an unusual case, no output method has been set and we
         103                 :         // didn't create a document element. Switching to XML output mode
         104                 :         // anyway.
         105                 :
         106                 :         // Make sure that mEs->mResultHandler == this is true, otherwise we'll
         107                 :         // leak mEs->mResultHandler in createHandlerAndFlush.
         108               0 :         NS_ASSERTION(mEs->mResultHandler == this,
         109                 :                      "We're leaking mEs->mResultHandler.");
         110                 :
         111               0 :         nsresult rv = createHandlerAndFlush(false, EmptyString(),
         112               0 :                                             kNameSpaceID_None);
         113               0 :         NS_ENSURE_SUCCESS(rv, rv);
         114                 :     }
         115                 :
         116               0 :     return mEs->mResultHandler->endDocument(aResult);
         117                 : }
         118                 :
         119                 : nsresult
         120               0 : txUnknownHandler::endElement()
         121                 : {
         122                 :     return mFlushed ?
         123               0 :            mEs->mResultHandler->endElement() :
         124               0 :            txBufferingHandler::endElement();
         125                 : }
         126                 :
         127                 : nsresult
         128               0 : txUnknownHandler::processingInstruction(const nsString& aTarget,
         129                 :                                         const nsString& aData)
         130                 : {
         131                 :     return mFlushed ?
         132               0 :            mEs->mResultHandler->processingInstruction(aTarget, aData) :
         133               0 :            txBufferingHandler::processingInstruction(aTarget, aData);
         134                 : }
         135                 :
         136                 : nsresult
         137               0 : txUnknownHandler::startDocument()
         138                 : {
         139                 :     return mFlushed ?
         140               0 :            mEs->mResultHandler->startDocument() :
         141               0 :            txBufferingHandler::startDocument();
         142                 : }
         143                 :
         144                 : nsresult
         145               0 : txUnknownHandler::startElement(nsIAtom* aPrefix, nsIAtom* aLocalName,
         146                 :                                nsIAtom* aLowercaseLocalName, PRInt32 aNsID)
         147                 : {
         148               0 :     if (!mFlushed) {
         149                 :         // Make sure that mEs->mResultHandler == this is true, otherwise we'll
         150                 :         // leak mEs->mResultHandler in createHandlerAndFlush.
         151               0 :         NS_ASSERTION(mEs->mResultHandler == this,
         152                 :                      "We're leaking mEs->mResultHandler.");
         153                 :
         154               0 :         nsCOMPtr<nsIAtom> owner;
         155               0 :         if (!aLowercaseLocalName) {
         156               0 :             owner = TX_ToLowerCaseAtom(aLocalName);
         157               0 :             NS_ENSURE_TRUE(owner, NS_ERROR_OUT_OF_MEMORY);
         158                 :
         159               0 :             aLowercaseLocalName = owner;
         160                 :         }
         161                 :
         162                 :         bool htmlRoot = aNsID == kNameSpaceID_None && !aPrefix &&
         163               0 :                           aLowercaseLocalName == nsGkAtoms::html;
         164                 :
         165                 :         // Use aLocalName and not aLowercaseLocalName in case the output
         166                 :         // handler cares about case. For eHTMLOutput the handler will hardcode
         167                 :         // to 'html' anyway.
         168                 :         nsresult rv = createHandlerAndFlush(htmlRoot,
         169               0 :                                             nsDependentAtomString(aLocalName),
         170               0 :                                             aNsID);
         171               0 :         NS_ENSURE_SUCCESS(rv, rv);
         172                 :     }
         173                 :
         174                 :     return mEs->mResultHandler->startElement(aPrefix, aLocalName,
         175               0 :                                              aLowercaseLocalName, aNsID);
         176                 : }
         177                 :
         178                 : nsresult
         179               0 : txUnknownHandler::startElement(nsIAtom* aPrefix, const nsSubstring& aLocalName,
         180                 :                                const PRInt32 aNsID)
         181                 : {
         182               0 :     if (!mFlushed) {
         183                 :         // Make sure that mEs->mResultHandler == this is true, otherwise we'll
         184                 :         // leak mEs->mResultHandler in createHandlerAndFlush.
         185               0 :         NS_ASSERTION(mEs->mResultHandler == this,
         186                 :                      "We're leaking mEs->mResultHandler.");
         187                 :
         188                 :         bool htmlRoot = aNsID == kNameSpaceID_None && !aPrefix &&
         189               0 :                           aLocalName.Equals(NS_LITERAL_STRING("html"),
         190               0 :                                             txCaseInsensitiveStringComparator());
         191               0 :         nsresult rv = createHandlerAndFlush(htmlRoot, aLocalName, aNsID);
         192               0 :         NS_ENSURE_SUCCESS(rv, rv);
         193                 :     }
         194                 :
         195               0 :     return mEs->mResultHandler->startElement(aPrefix, aLocalName, aNsID);
         196                 : }
         197                 :
         198               0 : nsresult txUnknownHandler::createHandlerAndFlush(bool aHTMLRoot,
         199                 :                                                  const nsSubstring& aName,
         200                 :                                                  const PRInt32 aNsID)
         201                 : {
         202               0 :     NS_ENSURE_TRUE(mBuffer, NS_ERROR_NOT_INITIALIZED);
         203                 :
         204               0 :     txOutputFormat format;
         205               0 :     format.merge(*(mEs->mStylesheet->getOutputFormat()));
         206               0 :     if (format.mMethod == eMethodNotSet) {
         207               0 :         format.mMethod = aHTMLRoot ? eHTMLOutput : eXMLOutput;
         208                 :     }
         209                 :
         210               0 :     nsAutoPtr<txAXMLEventHandler> handler;
         211                 :     nsresult rv = mEs->mOutputHandlerFactory->createHandlerWith(&format, aName,
         212                 :                                                                 aNsID,
         213               0 :                                                                 getter_Transfers(handler));
         214               0 :     NS_ENSURE_SUCCESS(rv, rv);
         215                 :
         216               0 :     mEs->mOutputHandler = handler;
         217               0 :     mEs->mResultHandler = handler.forget();
         218                 :     // Let the executionstate delete us. We need to stay alive because we might
         219                 :     // need to forward hooks to mEs->mResultHandler if someone is currently
         220                 :     // flushing a buffer to mEs->mResultHandler.
         221               0 :     mEs->mObsoleteHandler = this;
         222                 :
         223               0 :     mFlushed = true;
         224                 :
         225                 :     // Let go of out buffer as soon as we're done flushing it, we're not going
         226                 :     // to need it anymore from this point on (all hooks get forwarded to
         227                 :     // mEs->mResultHandler.
         228               0 :     nsAutoPtr<txResultBuffer> buffer(mBuffer);
         229               0 :     return buffer->flushToHandler(mEs->mResultHandler);
         230                 : }

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