forms/source/xforms/xmlhelper.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_forms.hxx"
  30
  31 #include "xmlhelper.hxx"
  32
  33 #include "unohelper.hxx"
  34 #include <rtl/ustring.hxx>
  35 #include <com/sun/star/uno/Reference.hxx>
  36 #include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
  37
  38 using rtl::OUString;
  39 using com::sun::star::uno::Reference;
  40 using com::sun::star::uno::UNO_QUERY_THROW;
  41 using com::sun::star::container::XNameContainer;
  42 using com::sun::star::xml::dom::XDocumentBuilder;
  43
  44
  45 //
  46 // determine valid XML name
  47 //
  48
  49 // character class:
  50 // 1: NameStartChar
  51 // 2: NameChar
  52 // 4: NCNameStartChar
  53 // 8: NCNameChar
  54 inline sal_uInt8 lcl_getCharClass( sal_Unicode c )
  55 {
  56     sal_uInt8 nClass = 0;
  57
  58     // NameStartChar
  59     if( (c >= 'A' && c <= 'Z')
  60         || c == '_'
  61         || (c >=    'a' && c <=    'z')
  62         || (c >= 0x00C0 && c <= 0x00D6)
  63         || (c >= 0x00D8 && c <= 0x00F6)
  64         || (c >= 0x00F8 && c <= 0x02FF)
  65         || (c >= 0x0370 && c <= 0x037D)
  66         || (c >= 0x037F && c <= 0x1FFF)
  67         || (c >= 0x200C && c <= 0x200D)
  68         || (c >= 0x2070 && c <= 0x218F)
  69         || (c >= 0x2C00 && c <= 0x2FEF)
  70         || (c >= 0x3001 && c <= 0xD7FF)
  71         || (c >= 0xF900 && c <= 0xFDCF)
  72         || (c >= 0xFDF0 && c <= 0xFFFD)
  73
  74         // surrogates
  75         || (c >= 0xD800 && c <= 0xDBFF)
  76         || (c >= 0xDC00 && c <= 0xDFFF) )
  77     {
  78         nClass = 15;
  79     }
  80     else if( c == '-'
  81              || c == '.'
  82              || (c >= '0' && c <= '9')
  83              || (c == 0x00B7)
  84              || (c >= 0x0300 && c <= 0x036F)
  85              || (c >= 0x203F && c <= 0x2040) )
  86     {
  87         nClass = 10;
  88     }
  89     else if( c == ':' )
  90     {
  91         nClass = 3;
  92     }
  93
  94     return nClass;
  95 }
  96
  97 bool isValidQName( const OUString& sName,
  98                    const Reference<XNameContainer>& /*xNamespaces*/ )
  99 {
 100     sal_Int32 nLength = sName.getLength();
 101     const sal_Unicode* pName = sName.getStr();
 102
 103     bool bRet = false;
 104     sal_Int32 nColon = 0;
 105     if( nLength > 0 )
 106     {
 107         bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
 108         for( sal_Int32 n = 1; n < nLength; n++ )
 109         {
 110             sal_uInt8 nClass = lcl_getCharClass( pName[n] );
 111             bRet &= ( ( nClass & 2 ) != 0 );
 112             if( nClass == 3 )
 113                 nColon++;
 114         }
 115     }
 116     if( nColon > 1 )
 117         bRet = sal_False;
 118
 119     return bRet;
 120 }
 121
 122 bool isValidPrefixName( const OUString& sName,
 123                         const Reference<XNameContainer>& /*xNamespaces*/ )
 124 {
 125     sal_Int32 nLength = sName.getLength();
 126     const sal_Unicode* pName = sName.getStr();
 127     bool bRet = false;
 128
 129     if( nLength > 0 )
 130     {
 131         bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
 132         for( sal_Int32 n = 1; n < nLength; n++ )
 133             bRet &= ( ( lcl_getCharClass( pName[n] ) & 8 ) != 0 );
 134     }
 135
 136     return bRet;
 137 }
 138
 139 Reference<XDocumentBuilder> getDocumentBuilder()
 140 {
 141     Reference<XDocumentBuilder> xBuilder(
 142         xforms::createInstance(
 143             OUSTRING("com.sun.star.xml.dom.DocumentBuilder") ),
 144         UNO_QUERY_THROW );
 145     OSL_ENSURE( xBuilder.is(), "no document builder?" );
 146     return xBuilder;
 147 }
 148