LCOV - code coverage report
Current view: directory - content/xslt/src/xml - txXMLUtils.h (source / functions) Found Hit Coverage
Test: app.info Lines: 29 9 31.0 %
Date: 2012-06-02 Functions: 11 4 36.4 %

       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                 :  * The MITRE Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Keith Visco <kvisco@ziplink.net> (Original Author)
      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                 : /**
      40                 :  * An XML Utility class
      41                 : **/
      42                 : 
      43                 : #ifndef MITRE_XMLUTILS_H
      44                 : #define MITRE_XMLUTILS_H
      45                 : 
      46                 : #include "txCore.h"
      47                 : #include "nsCOMPtr.h"
      48                 : #include "nsDependentSubstring.h"
      49                 : #include "nsIAtom.h"
      50                 : #include "txXPathNode.h"
      51                 : #include "nsIParserService.h"
      52                 : #include "nsContentUtils.h"
      53                 : 
      54                 : #define kExpatSeparatorChar 0xFFFF
      55                 : 
      56                 : class nsIAtom;
      57                 : class txNamespaceMap;
      58                 : 
      59           57564 : class txExpandedName {
      60                 : public:
      61               0 :     txExpandedName() : mNamespaceID(kNameSpaceID_None)
      62                 :     {
      63               0 :     }
      64                 : 
      65           57564 :     txExpandedName(PRInt32 aNsID,
      66                 :                    nsIAtom* aLocalName) : mNamespaceID(aNsID),
      67           57564 :                                           mLocalName(aLocalName)
      68                 :     {
      69           57564 :     }
      70                 : 
      71               0 :     txExpandedName(const txExpandedName& aOther) :
      72                 :         mNamespaceID(aOther.mNamespaceID),
      73               0 :         mLocalName(aOther.mLocalName)
      74                 :     {
      75               0 :     }
      76                 : 
      77                 :     nsresult init(const nsAString& aQName, txNamespaceMap* aResolver,
      78                 :                   bool aUseDefault);
      79                 : 
      80               0 :     void reset()
      81                 :     {
      82               0 :         mNamespaceID = kNameSpaceID_None;
      83               0 :         mLocalName = nsnull;
      84               0 :     }
      85                 : 
      86               0 :     bool isNull()
      87                 :     {
      88               0 :         return mNamespaceID == kNameSpaceID_None && !mLocalName;
      89                 :     }
      90                 : 
      91                 :     txExpandedName& operator = (const txExpandedName& rhs)
      92                 :     {
      93                 :         mNamespaceID = rhs.mNamespaceID;
      94                 :         mLocalName = rhs.mLocalName;
      95                 :         return *this;
      96                 :     }
      97                 : 
      98               0 :     bool operator == (const txExpandedName& rhs) const
      99                 :     {
     100               0 :         return ((mLocalName == rhs.mLocalName) &&
     101               0 :                 (mNamespaceID == rhs.mNamespaceID));
     102                 :     }
     103                 : 
     104                 :     bool operator != (const txExpandedName& rhs) const
     105                 :     {
     106                 :         return ((mLocalName != rhs.mLocalName) ||
     107                 :                 (mNamespaceID != rhs.mNamespaceID));
     108                 :     }
     109                 : 
     110                 :     PRInt32 mNamespaceID;
     111                 :     nsCOMPtr<nsIAtom> mLocalName;
     112                 : };
     113                 : 
     114                 : class XMLUtils {
     115                 : 
     116                 : public:
     117                 :     static nsresult splitExpatName(const PRUnichar *aExpatName,
     118                 :                                    nsIAtom **aPrefix, nsIAtom **aLocalName,
     119                 :                                    PRInt32* aNameSpaceID);
     120                 :     static nsresult splitQName(const nsAString& aName, nsIAtom** aPrefix,
     121                 :                                nsIAtom** aLocalName);
     122                 :     static const nsDependentSubstring getLocalPart(const nsAString& src);
     123                 : 
     124                 :     /*
     125                 :      * Returns true if the given character is whitespace.
     126                 :      */
     127              42 :     static bool isWhitespace(const PRUnichar& aChar)
     128                 :     {
     129                 :         return (aChar <= ' ' &&
     130                 :                 (aChar == ' ' || aChar == '\r' ||
     131              42 :                  aChar == '\n'|| aChar == '\t'));
     132                 :     }
     133                 : 
     134                 :     /**
     135                 :      * Returns true if the given string has only whitespace characters
     136                 :      */
     137                 :     static bool isWhitespace(const nsAFlatString& aText);
     138                 : 
     139                 :     /**
     140                 :      * Normalizes the value of a XML processingInstruction
     141                 :     **/
     142                 :     static void normalizePIValue(nsAString& attValue);
     143                 : 
     144                 :     /**
     145                 :      * Returns true if the given string is a valid XML QName
     146                 :      */
     147               0 :     static bool isValidQName(const nsAFlatString& aQName,
     148                 :                                const PRUnichar** aColon)
     149                 :     {
     150               0 :         nsIParserService* ps = nsContentUtils::GetParserService();
     151               0 :         return ps && NS_SUCCEEDED(ps->CheckQName(aQName, true, aColon));
     152                 :     }
     153                 : 
     154                 :     /**
     155                 :      * Returns true if the given character represents an Alpha letter
     156                 :      */
     157              42 :     static bool isLetter(PRUnichar aChar)
     158                 :     {
     159              42 :         nsIParserService* ps = nsContentUtils::GetParserService();
     160              42 :         return ps && ps->IsXMLLetter(aChar);
     161                 :     }
     162                 : 
     163                 :     /**
     164                 :      * Returns true if the given character is an allowable NCName character
     165                 :      */
     166               0 :     static bool isNCNameChar(PRUnichar aChar)
     167                 :     {
     168               0 :         nsIParserService* ps = nsContentUtils::GetParserService();
     169               0 :         return ps && ps->IsXMLNCNameChar(aChar);
     170                 :     }
     171                 : 
     172                 :     /*
     173                 :      * Walks up the document tree and returns true if the closest xml:space
     174                 :      * attribute is "preserve"
     175                 :      */
     176                 :     static bool getXMLSpacePreserve(const txXPathNode& aNode);
     177                 : };
     178                 : 
     179                 : #endif

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