]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/papers/use_case/stats/parse/SAX2Print/SAX2PrintHandlers.cpp
* basic infrastructure for collecting statistics
[helm.git] / helm / papers / use_case / stats / parse / SAX2Print / SAX2PrintHandlers.cpp
diff --git a/helm/papers/use_case/stats/parse/SAX2Print/SAX2PrintHandlers.cpp b/helm/papers/use_case/stats/parse/SAX2Print/SAX2PrintHandlers.cpp
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+/*
+ * Copyright 1999-2001,2004 The Apache Software Foundation.
+ * 
+ * Licensed 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
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * $Log$
+ * Revision 1.1  2004/11/23 13:38:52  lpadovan
+ * * basic infrastructure for collecting statistics
+ *
+ * Revision 1.10  2004/09/08 13:55:33  peiyongz
+ * Apache License Version 2.0
+ *
+ * Revision 1.9  2003/05/30 09:36:36  gareth
+ * Use new macros for iostream.h and std:: issues.
+ *
+ * Revision 1.8  2003/03/17 21:03:52  peiyongz
+ * Bug#17983
+ *
+ * Revision 1.7  2002/05/28 20:24:15  tng
+ * XMLUni::fgEmptyString which is defined as "EMPTY" is incorrectly used as an empty string, should use XMLUni::fgZeroLenString instead
+ *
+ * Revision 1.6  2002/02/01 22:40:44  peiyongz
+ * sane_include
+ *
+ * Revision 1.5  2001/05/11 13:24:57  tng
+ * Copyright update.
+ *
+ * Revision 1.4  2001/05/03 16:00:03  tng
+ * Schema: samples update with schema
+ *
+ * Revision 1.3  2000/10/10 23:55:53  andyh
+ * XMLFormatter patch, contributed by Bill Schindler.  Fix problems with
+ * output to multi-byte encodings.
+ *
+ * Revision 1.2  2000/08/09 22:20:38  jpolast
+ * updates for changes to sax2 core functionality.
+ *
+ * Revision 1.1  2000/08/02 19:16:14  jpolast
+ * initial checkin of SAX2Print
+ *
+ *
+ */
+
+
+
+// ---------------------------------------------------------------------------
+//  Includes
+// ---------------------------------------------------------------------------
+#include <xercesc/util/XMLUniDefs.hpp>
+#include <xercesc/sax2/Attributes.hpp>
+#include "SAX2Print.hpp"
+
+
+// ---------------------------------------------------------------------------
+//  Local const data
+//
+//  Note: This is the 'safe' way to do these strings. If you compiler supports
+//        L"" style strings, and portability is not a concern, you can use
+//        those types constants directly.
+// ---------------------------------------------------------------------------
+static const XMLCh  gEndElement[] = { chOpenAngle, chForwardSlash, chNull };
+static const XMLCh  gEndPI[] = { chQuestion, chCloseAngle, chNull };
+static const XMLCh  gStartPI[] = { chOpenAngle, chQuestion, chNull };
+static const XMLCh  gXMLDecl1[] =
+{
+        chOpenAngle, chQuestion, chLatin_x, chLatin_m, chLatin_l
+    ,   chSpace, chLatin_v, chLatin_e, chLatin_r, chLatin_s, chLatin_i
+    ,   chLatin_o, chLatin_n, chEqual, chDoubleQuote, chDigit_1, chPeriod
+    ,   chDigit_0, chDoubleQuote, chSpace, chLatin_e, chLatin_n, chLatin_c
+    ,   chLatin_o, chLatin_d, chLatin_i, chLatin_n, chLatin_g, chEqual
+    ,   chDoubleQuote, chNull
+};
+
+static const XMLCh  gXMLDecl2[] =
+{
+        chDoubleQuote, chQuestion, chCloseAngle
+    ,   chLF, chNull
+};
+
+
+
+
+// ---------------------------------------------------------------------------
+//  SAX2PrintHandlers: Constructors and Destructor
+// ---------------------------------------------------------------------------
+SAX2PrintHandlers::SAX2PrintHandlers( const   char* const              encodingName
+                                    , const XMLFormatter::UnRepFlags unRepFlags
+                                                                       , const bool                                     expandNamespaces) :
+
+    fFormatter
+    (
+        encodingName
+        , 0
+        , this
+        , XMLFormatter::NoEscapes
+        , unRepFlags
+    ),
+       fExpandNS ( expandNamespaces )
+{
+    //
+    //  Go ahead and output an XML Decl with our known encoding. This
+    //  is not the best answer, but its the best we can do until we
+    //  have SAX2 support.
+    //
+    //
+    //fFormatter << gXMLDecl1 << fFormatter.getEncodingName() << gXMLDecl2;
+}
+
+SAX2PrintHandlers::~SAX2PrintHandlers()
+{
+}
+
+
+// ---------------------------------------------------------------------------
+//  SAX2PrintHandlers: Overrides of the output formatter target interface
+// ---------------------------------------------------------------------------
+void SAX2PrintHandlers::writeChars(const XMLByte* const toWrite)
+{
+}
+
+void SAX2PrintHandlers::writeChars(const XMLByte* const toWrite,
+                                   const unsigned int count,
+                                   XMLFormatter* const formatter)
+{
+    // For this one, just dump them to the standard output
+    // Surprisingly, Solaris was the only platform on which
+    // required the char* cast to print out the string correctly.
+    // Without the cast, it was printing the pointer value in hex.
+    // Quite annoying, considering every other platform printed
+    // the string with the explicit cast to char* below.
+  XERCES_STD_QUALIFIER cout.write((char *) toWrite, (int) count);
+       XERCES_STD_QUALIFIER cout.flush();
+}
+
+
+// ---------------------------------------------------------------------------
+//  SAX2PrintHandlers: Overrides of the SAX ErrorHandler interface
+// ---------------------------------------------------------------------------
+void SAX2PrintHandlers::error(const SAXParseException& e)
+{
+    XERCES_STD_QUALIFIER cerr << "\nError at file " << StrX(e.getSystemId())
+                << ", line " << e.getLineNumber()
+                << ", char " << e.getColumnNumber()
+         << "\n  Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+void SAX2PrintHandlers::fatalError(const SAXParseException& e)
+{
+    XERCES_STD_QUALIFIER cerr << "\nFatal Error at file " << StrX(e.getSystemId())
+                << ", line " << e.getLineNumber()
+                << ", char " << e.getColumnNumber()
+         << "\n  Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+void SAX2PrintHandlers::warning(const SAXParseException& e)
+{
+    XERCES_STD_QUALIFIER cerr << "\nWarning at file " << StrX(e.getSystemId())
+                << ", line " << e.getLineNumber()
+                << ", char " << e.getColumnNumber()
+         << "\n  Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+
+// ---------------------------------------------------------------------------
+//  SAX2PrintHandlers: Overrides of the SAX DTDHandler interface
+// ---------------------------------------------------------------------------
+void SAX2PrintHandlers::unparsedEntityDecl(const     XMLCh* const name
+                                          , const   XMLCh* const publicId
+                                          , const   XMLCh* const systemId
+                                          , const   XMLCh* const notationName)
+{
+    // Not used at this time
+}
+
+
+void SAX2PrintHandlers::notationDecl(const   XMLCh* const name
+                                    , const XMLCh* const publicId
+                                    , const XMLCh* const systemId)
+{
+    // Not used at this time
+}
+
+
+// ---------------------------------------------------------------------------
+//  SAX2PrintHandlers: Overrides of the SAX DocumentHandler interface
+// ---------------------------------------------------------------------------
+void SAX2PrintHandlers::characters(const     XMLCh* const    chars
+                                  , const   unsigned int    length)
+{
+    //fFormatter.formatBuf(chars, length, XMLFormatter::CharEscapes);
+}
+
+
+void SAX2PrintHandlers::endDocument()
+{
+}
+
+
+void SAX2PrintHandlers::endElement(const XMLCh* const uri,
+                                                                const XMLCh* const localname,
+                                                                const XMLCh* const qname)
+{
+#if 0
+    // No escapes are legal here
+    fFormatter << XMLFormatter::NoEscapes << gEndElement ;
+       if ( fExpandNS )
+       {
+               if (XMLString::compareIString(uri,XMLUni::fgZeroLenString) != 0)
+                               fFormatter  << uri << chColon;
+               fFormatter << localname << chCloseAngle;
+       }
+       else
+               fFormatter << qname << chCloseAngle;
+#endif
+}
+
+
+void SAX2PrintHandlers::ignorableWhitespace( const   XMLCh* const chars
+                                            ,const  unsigned int length)
+{
+    //fFormatter.formatBuf(chars, length, XMLFormatter::NoEscapes);
+}
+
+
+void SAX2PrintHandlers::processingInstruction(const  XMLCh* const target
+                                            , const XMLCh* const data)
+{
+#if 0
+    fFormatter << XMLFormatter::NoEscapes << gStartPI  << target;
+    if (data)
+        fFormatter << chSpace << data;
+    fFormatter << XMLFormatter::NoEscapes << gEndPI;
+#endif
+}
+
+
+void SAX2PrintHandlers::startDocument()
+{
+}
+
+
+void SAX2PrintHandlers::startElement(const   XMLCh* const    uri,
+                                                                       const   XMLCh* const    localname,
+                                                                       const   XMLCh* const    qname,
+                                    const   Attributes&                attributes)
+{
+#if 0
+    // The name has to be representable without any escapes
+    fFormatter  << XMLFormatter::NoEscapes << chOpenAngle ;
+       if ( fExpandNS )
+       {
+               if (XMLString::compareIString(uri,XMLUni::fgZeroLenString) != 0)
+                               fFormatter  << uri << chColon;
+               fFormatter << localname ;
+       }
+       else
+               fFormatter << qname ;
+
+    unsigned int len = attributes.getLength();
+    for (unsigned int index = 0; index < len; index++)
+    {
+        //
+        //  Again the name has to be completely representable. But the
+        //  attribute can have refs and requires the attribute style
+        //  escaping.
+        //
+        fFormatter  << XMLFormatter::NoEscapes << chSpace ;
+               if ( fExpandNS )
+               {
+                       if (XMLString::compareIString(attributes.getURI(index),XMLUni::fgZeroLenString) != 0)
+                               fFormatter  << attributes.getURI(index) << chColon;
+                       fFormatter  << attributes.getLocalName(index) ;
+               }
+               else
+                       fFormatter  << attributes.getQName(index) ;
+
+               fFormatter  << chEqual << chDoubleQuote
+                    << XMLFormatter::AttrEscapes
+                           << attributes.getValue(index)
+                    << XMLFormatter::NoEscapes
+                    << chDoubleQuote;
+    }
+    fFormatter << chCloseAngle;
+#endif
+}