forms/source/xforms/xmlhelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_forms.hxx"
  33
  34 #include "xmlhelper.hxx"
  35
  36 #include "unohelper.hxx"
  37 #include <rtl/ustring.hxx>
  38 #include <com/sun/star/uno/Reference.hxx>
  39 #include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
  40
  41 using rtl::OUString;
  42 using com::sun::star::uno::Reference;
  43 using com::sun::star::uno::UNO_QUERY_THROW;
  44 using com::sun::star::container::XNameContainer;
  45 using com::sun::star::xml::dom::XDocumentBuilder;
  46
  47
  48 //
  49 // determine valid XML name
  50 //
  51
  52 // character class:
  53 // 1: NameStartChar
  54 // 2: NameChar
  55 // 4: NCNameStartChar
  56 // 8: NCNameChar
  57 inline sal_uInt8 lcl_getCharClass( sal_Unicode c )
  58 {
  59     sal_uInt8 nClass = 0;
  60
  61     // NameStartChar
  62     if( (c >= 'A' && c <= 'Z')
  63         || c == '_'
  64         || (c >=    'a' && c <=    'z')
  65         || (c >= 0x00C0 && c <= 0x00D6)
  66         || (c >= 0x00D8 && c <= 0x00F6)
  67         || (c >= 0x00F8 && c <= 0x02FF)
  68         || (c >= 0x0370 && c <= 0x037D)
  69         || (c >= 0x037F && c <= 0x1FFF)
  70         || (c >= 0x200C && c <= 0x200D)
  71         || (c >= 0x2070 && c <= 0x218F)
  72         || (c >= 0x2C00 && c <= 0x2FEF)
  73         || (c >= 0x3001 && c <= 0xD7FF)
  74         || (c >= 0xF900 && c <= 0xFDCF)
  75         || (c >= 0xFDF0 && c <= 0xFFFD)
  76
  77         // surrogates
  78         || (c >= 0xD800 && c <= 0xDBFF)
  79         || (c >= 0xDC00 && c <= 0xDFFF) )
  80     {
  81         nClass = 15;
  82     }
  83     else if( c == '-'
  84              || c == '.'
  85              || (c >= '0' && c <= '9')
  86              || (c == 0x00B7)
  87              || (c >= 0x0300 && c <= 0x036F)
  88              || (c >= 0x203F && c <= 0x2040) )
  89     {
  90         nClass = 10;
  91     }
  92     else if( c == ':' )
  93     {
  94         nClass = 3;
  95     }
  96
  97     return nClass;
  98 }
  99
 100 bool isValidQName( const OUString& sName,
 101                    const Reference<XNameContainer>& /*xNamespaces*/ )
 102 {
 103     sal_Int32 nLength = sName.getLength();
 104     const sal_Unicode* pName = sName.getStr();
 105
 106     bool bRet = false;
 107     sal_Int32 nColon = 0;
 108     if( nLength > 0 )
 109     {
 110         bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
 111         for( sal_Int32 n = 1; n < nLength; n++ )
 112         {
 113             sal_uInt8 nClass = lcl_getCharClass( pName[n] );
 114             bRet &= ( ( nClass & 2 ) != 0 );
 115             if( nClass == 3 )
 116                 nColon++;
 117         }
 118     }
 119     if( nColon > 1 )
 120         bRet = sal_False;
 121
 122     return bRet;
 123 }
 124
 125 bool isValidPrefixName( const OUString& sName,
 126                         const Reference<XNameContainer>& /*xNamespaces*/ )
 127 {
 128     sal_Int32 nLength = sName.getLength();
 129     const sal_Unicode* pName = sName.getStr();
 130     bool bRet = false;
 131
 132     if( nLength > 0 )
 133     {
 134         bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
 135         for( sal_Int32 n = 1; n < nLength; n++ )
 136             bRet &= ( ( lcl_getCharClass( pName[n] ) & 8 ) != 0 );
 137     }
 138
 139     return bRet;
 140 }
 141
 142 Reference<XDocumentBuilder> getDocumentBuilder()
 143 {
 144     Reference<XDocumentBuilder> xBuilder(
 145         xforms::createInstance(
 146             OUSTRING("com.sun.star.xml.dom.DocumentBuilder") ),
 147         UNO_QUERY_THROW );
 148     OSL_ENSURE( xBuilder.is(), "no document builder?" );
 149     return xBuilder;
 150 }
 151