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-rw-r--r--forms/source/xforms/xmlhelper.cxx133
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diff --git a/forms/source/xforms/xmlhelper.cxx b/forms/source/xforms/xmlhelper.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "xmlhelper.hxx"
+
+#include <rtl/ustring.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/xml/dom/DocumentBuilder.hpp>
+#include <comphelper/processfactory.hxx>
+
+using com::sun::star::uno::Reference;
+using com::sun::star::container::XNameContainer;
+using com::sun::star::xml::dom::DocumentBuilder;
+using com::sun::star::xml::dom::XDocumentBuilder;
+
+
+// determine valid XML name
+
+
+// character class:
+// 1: NameStartChar
+// 2: NameChar
+// 4: NCNameStartChar
+// 8: NCNameChar
+static sal_uInt8 lcl_getCharClass( sal_Unicode c )
+{
+ sal_uInt8 nClass = 0;
+
+ // NameStartChar
+ if( (c >= 'A' && c <= 'Z')
+ || c == '_'
+ || (c >= 'a' && c <= 'z')
+ || (c >= 0x00C0 && c <= 0x00D6)
+ || (c >= 0x00D8 && c <= 0x00F6)
+ || (c >= 0x00F8 && c <= 0x02FF)
+ || (c >= 0x0370 && c <= 0x037D)
+ || (c >= 0x037F && c <= 0x1FFF)
+ || (c >= 0x200C && c <= 0x200D)
+ || (c >= 0x2070 && c <= 0x218F)
+ || (c >= 0x2C00 && c <= 0x2FEF)
+ || (c >= 0x3001 && c <= 0xD7FF)
+ || (c >= 0xF900 && c <= 0xFDCF)
+ || (c >= 0xFDF0 && c <= 0xFFFD)
+
+ // surrogates
+ || (c >= 0xD800 && c <= 0xDBFF)
+ || (c >= 0xDC00 && c <= 0xDFFF) )
+ {
+ nClass = 15;
+ }
+ else if( c == '-'
+ || c == '.'
+ || (c >= '0' && c <= '9')
+ || (c == 0x00B7)
+ || (c >= 0x0300 && c <= 0x036F)
+ || (c >= 0x203F && c <= 0x2040) )
+ {
+ nClass = 10;
+ }
+ else if( c == ':' )
+ {
+ nClass = 3;
+ }
+
+ return nClass;
+}
+
+bool isValidQName( const OUString& sName,
+ const Reference<XNameContainer>& /*xNamespaces*/ )
+{
+ sal_Int32 nLength = sName.getLength();
+ const sal_Unicode* pName = sName.getStr();
+
+ bool bRet = false;
+ sal_Int32 nColon = 0;
+ if( nLength > 0 )
+ {
+ bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
+ for( sal_Int32 n = 1; n < nLength; n++ )
+ {
+ sal_uInt8 nClass = lcl_getCharClass( pName[n] );
+ bRet &= ( ( nClass & 2 ) != 0 );
+ if( nClass == 3 )
+ nColon++;
+ }
+ }
+ if( nColon > 1 )
+ bRet = false;
+
+ return bRet;
+}
+
+bool isValidPrefixName( const OUString& sName,
+ const Reference<XNameContainer>& /*xNamespaces*/ )
+{
+ sal_Int32 nLength = sName.getLength();
+ const sal_Unicode* pName = sName.getStr();
+ bool bRet = false;
+
+ if( nLength > 0 )
+ {
+ bRet = ( ( lcl_getCharClass( pName[0] ) & 4 ) != 0 );
+ for( sal_Int32 n = 1; n < nLength; n++ )
+ bRet &= ( ( lcl_getCharClass( pName[n] ) & 8 ) != 0 );
+ }
+
+ return bRet;
+}
+
+Reference<XDocumentBuilder> getDocumentBuilder()
+{
+ Reference<XDocumentBuilder> xBuilder(DocumentBuilder::create(::comphelper::getProcessComponentContext()));
+ return xBuilder;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */