INTEGRATION: CWS xmlfilter02 (1.1.2); FILE ADDED

2006/05/08 14:23:39 cl 1.1.2.1: new token based sax implementation

1 files changed, 157 insertions, 0 deletions

diff --git a/sax/inc/xml2utf.hxx b/sax/inc/xml2utf.hxx
new file mode 100644
index 000000000000..cb4a68e89b08
--- /dev/null
+++ b/sax/inc/xml2utf.hxx
@@ -0,0 +1,157 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: xml2utf.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: obo $ $Date: 2008-01-10 12:50:02 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+// TODO: Woher?
+#define Max( a, b )     (((a)>(b)) ? (a) : (b) )
+#define Min( a, b )     (((a)<(b)) ? (a) : (b) )
+
+/*
+*
+* Text2UnicodeConverter
+*
+**/
+namespace sax_expatwrap {
+
+class Text2UnicodeConverter
+{
+
+public:
+    Text2UnicodeConverter( const ::rtl::OString & sEncoding );
+    Text2UnicodeConverter( rtl_TextEncoding encoding );
+    ~Text2UnicodeConverter();
+
+    ::com::sun::star::uno::Sequence < sal_Unicode > convert( const ::com::sun::star::uno::Sequence<sal_Int8> & );
+    sal_Bool canContinue() {  return m_bCanContinue; }
+
+private:
+    void init( rtl_TextEncoding encoding );
+
+    rtl_TextToUnicodeConverter  m_convText2Unicode;
+    rtl_TextToUnicodeContext    m_contextText2Unicode;
+    sal_Bool                    m_bCanContinue;
+    sal_Bool                    m_bInitialized;
+    rtl_TextEncoding            m_rtlEncoding;
+    ::com::sun::star::uno::Sequence<sal_Int8> m_seqSource;
+};
+
+/*----------------------------------------
+*
+* Unicode2TextConverter
+*
+**-----------------------------------------*/
+class Unicode2TextConverter
+{
+public:
+    Unicode2TextConverter( const ::rtl::OString & sEncoding );
+    Unicode2TextConverter( rtl_TextEncoding encoding );
+    ~Unicode2TextConverter();
+
+    inline ::com::sun::star::uno::Sequence<sal_Int8> convert( const ::rtl::OUString &s )
+        {
+            return convert( s.getStr() , s.getLength() );
+        }
+    ::com::sun::star::uno::Sequence<sal_Int8> convert( const sal_Unicode * , sal_Int32 nLength );
+    sal_Bool canContinue() {  return m_bCanContinue; }
+
+private:
+    void init( rtl_TextEncoding encoding );
+
+    rtl_UnicodeToTextConverter  m_convUnicode2Text;
+    rtl_UnicodeToTextContext    m_contextUnicode2Text;
+    sal_Bool                    m_bCanContinue;
+    sal_Bool                    m_bInitialized;
+    rtl_TextEncoding            m_rtlEncoding;
+    ::com::sun::star::uno::Sequence<sal_Unicode>        m_seqSource;
+};
+
+
+
+/*----------------------------------------
+*
+* XMLFile2UTFConverter
+*
+**-----------------------------------------*/
+class XMLFile2UTFConverter
+{
+public:
+    XMLFile2UTFConverter( ):
+        m_bStarted( sal_False ),
+        m_pText2Unicode( 0 ),
+        m_pUnicode2Text( 0 )
+        {}
+
+    ~XMLFile2UTFConverter();
+
+    void setInputStream( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > &r ) { m_in = r; }
+    void setEncoding( const ::rtl::OString &s ) { m_sEncoding = s; }
+
+
+
+    // @param nMaxToRead The number of chars, that should be read. Note that this is no exact number. There
+    //                   may be returned less or more bytes than ordered.
+    sal_Int32 readAndConvert( ::com::sun::star::uno::Sequence<sal_Int8> &seq , sal_Int32 nMaxToRead )
+        throw ( ::com::sun::star::io::IOException,
+                ::com::sun::star::io::NotConnectedException ,
+                ::com::sun::star::io::BufferSizeExceededException ,
+                ::com::sun::star::uno::RuntimeException );
+
+private:
+
+    // Called only on first Sequence of bytes. Tries to figure out file format and encoding information.
+    // @return TRUE, when encoding information could be retrieved
+    // @return FALSE, when no encoding information was found in file
+    sal_Bool scanForEncoding( ::com::sun::star::uno::Sequence<sal_Int8> &seq );
+
+    // Called only on first Sequence of bytes. Tries to figure out
+    // if enough data is available to scan encoding
+    // @return TRUE, when encoding is retrievable
+    // @return FALSE, when more data is needed
+    sal_Bool isEncodingRecognizable( const ::com::sun::star::uno::Sequence< sal_Int8 > & seq );
+
+    // When encoding attribute is within the text (in the first line), it is removed.
+    void removeEncoding( ::com::sun::star::uno::Sequence<sal_Int8> &seq );
+
+    // Initializes decoding depending on m_sEncoding setting
+    void initializeDecoding();
+private:
+    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >  m_in;
+
+    sal_Bool m_bStarted;
+    ::rtl::OString m_sEncoding;
+
+    Text2UnicodeConverter *m_pText2Unicode;
+    Unicode2TextConverter *m_pUnicode2Text;
+};
+}