Ok I see too many messages reguarding it .... hey my mbox!! ;-P
// DOMSave.h
//
//////////////////////////////////////////////////////////////////////
#ifndef DOMSAVE_H
#define DOMSAVE_H
// Includes
#include <util/PlatformUtils.hpp>
#include <util/XMLString.hpp>
#include <framework/XMLFormatter.hpp>
#include <util/TranscodingException.hpp>
#include <parsers/DOMParser.hpp>
#include <dom/DOM.hpp>
#include <string.h>
#include <stdlib.h>
#include <iostream.h>
#include <fstream.h>
#include <strstream.h>
void DOM_SaveInit();
void DOM_SaveTerminate();
char* DOM_SaveToString(DOM_Node doc);
void DOM_SaveToFile(DOM_Node doc, const char* filename);
#endif
_________________________________________________________________________________
// DOMSave.cpp
//(derived from Domprint.cpp
//////////////////////////////////////////////////////////////////////
//
---------------------------------------------------------------------------
// Includes
//
---------------------------------------------------------------------------
#include <util/PlatformUtils.hpp>
#include <util/XMLString.hpp>
#include <util/XMLUniDefs.hpp>
#include <framework/XMLFormatter.hpp>
#include <util/TranscodingException.hpp>
#include <dom/DOM_DOMException.hpp>
#include <parsers/DOMParser.hpp>
#include <dom/DOM.hpp>
#include "DOMTreeErrorReporter.hpp"
#include <string.h>
#include <stdlib.h>
#include "DOMSave.h"
#include "DBmod.h"
//
---------------------------------------------------------------------------
// 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, chNull
};
static const XMLCh gXMLDecl2[] =
{
chDoubleQuote, chSpace, chLatin_e, chLatin_n, chLatin_c
, chLatin_o, chLatin_d, chLatin_i, chLatin_n, chLatin_g, chEqual
, chDoubleQuote, chNull
};
static const XMLCh gXMLDecl3[] =
{
chDoubleQuote, chSpace, chLatin_s, chLatin_t, chLatin_a
, chLatin_n, chLatin_d, chLatin_a, chLatin_l, chLatin_o
, chLatin_n, chLatin_e, chEqual, chDoubleQuote, chNull
};
static const XMLCh gXMLDecl4[] =
{
chDoubleQuote, chQuestion, chCloseAngle
, chLF, chNull
};
static const XMLCh gStartCDATA[] =
{
chOpenAngle, chBang, chOpenSquare, chLatin_C, chLatin_D,
chLatin_A, chLatin_T, chLatin_A, chOpenSquare, chNull
};
static const XMLCh gEndCDATA[] =
{
chCloseSquare, chCloseSquare, chCloseAngle, chNull
};
static const XMLCh gStartComment[] =
{
chOpenAngle, chBang, chDash, chDash, chNull
};
static const XMLCh gEndComment[] =
{
chDash, chDash, chCloseAngle, chNull
};
static const XMLCh gStartDoctype[] =
{
chOpenAngle, chBang, chLatin_D, chLatin_O, chLatin_C, chLatin_T,
chLatin_Y, chLatin_P, chLatin_E, chSpace, chNull
};
static const XMLCh gPublic[] =
{
chLatin_P, chLatin_U, chLatin_B, chLatin_L, chLatin_I,
chLatin_C, chSpace, chDoubleQuote, chNull
};
static const XMLCh gSystem[] =
{
chLatin_S, chLatin_Y, chLatin_S, chLatin_T, chLatin_E,
chLatin_M, chSpace, chDoubleQuote, chNull
};
static const XMLCh gStartEntity[] =
{
chOpenAngle, chBang, chLatin_E, chLatin_N, chLatin_T, chLatin_I,
chLatin_T, chLatin_Y, chSpace, chNull
};
static const XMLCh gNotation[] =
{
chLatin_N, chLatin_D, chLatin_A, chLatin_T, chLatin_A,
chSpace, chDoubleQuote, chNull
};
//
---------------------------------------------------------------------------
// Local classes
//
---------------------------------------------------------------------------
class DOMPrintFormatTarget : public XMLFormatTarget
{
public:
DOMPrintFormatTarget() {};
~DOMPrintFormatTarget() {};
ostrstream *str_pointer;
//
-----------------------------------------------------------------------
// Implementations of the format target interface
//
-----------------------------------------------------------------------
void writeChars(const XMLByte* const toWrite,
const unsigned int count,
XMLFormatter * const formatter)
{
// 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.
str_pointer->write((char *) toWrite, (int) count);
};
private:
//
-----------------------------------------------------------------------
// Unimplemented methods.
//
-----------------------------------------------------------------------
DOMPrintFormatTarget(const DOMPrintFormatTarget& other);
void operator=(const DOMPrintFormatTarget& rhs);
};
//
---------------------------------------------------------------------------
// Local data
//
// gXmlFile
// The path to the file to parser. Set via command line.
//
// gDoNamespaces
// Indicates whether namespace processing should be done.
//
// gDoSchema
// Indicates whether schema processing should be done.
//
// gDoCreate
// Indicates whether entity reference nodes needs to be created or not
// Defaults to false
//
// gEncodingName
// The encoding we are to output in. If not set on the command line,
// then it is defaults to the encoding of the input XML file.
//
// gValScheme
// Indicates what validation scheme to use. It defaults to 'auto', but
// can be set via the -v= command.
//
//
---------------------------------------------------------------------------
static char* gXmlFile = 0;
static bool gDoNamespaces = false;
static bool gDoSchema = false;
static bool gDoCreate = false;
static XMLCh* gEncodingName = 0;
static XMLFormatter::UnRepFlags gUnRepFlags =
XMLFormatter::UnRep_CharRef;
static DOMParser::ValSchemes gValScheme =
DOMParser::Val_Auto;
static XMLFormatter* gFormatter = 0;
static DOMPrintFormatTarget* formatTarget = 0;
//
---------------------------------------------------------------------------
// Forward references
//
---------------------------------------------------------------------------
void usage();
ostrstream& operator<<(ostrstream& target, const DOMString& toWrite);
ostrstream& operator<<(ostrstream& target, DOM_Node& toWrite);
XMLFormatter& operator<< (XMLFormatter& strm, const DOMString& s);
void DOM_SaveInit()
{
formatTarget = new DOMPrintFormatTarget();
if (gEncodingName == 0)
{
DOMString encNameStr("UTF-8");
DOM_Node aNode = modDB->doc.getFirstChild();
if (aNode.getNodeType() == DOM_Node::XML_DECL_NODE)
{
DOMString aStr = ((DOM_XMLDecl &)aNode).getEncoding();
if (aStr != "")
{
encNameStr = aStr;
}
}
unsigned int lent = encNameStr.length();
gEncodingName = new XMLCh[lent + 1];
XMLString::copyNString(gEncodingName, encNameStr.rawBuffer(), lent);
gEncodingName[lent] = 0;
}
gFormatter = new XMLFormatter(gEncodingName, formatTarget,
XMLFormatter::NoEscapes, gUnRepFlags);
}
void DOM_SaveTerminate()
{
if (gFormatter)
delete gFormatter;
if(gEncodingName)
delete gEncodingName;
if (formatTarget)
delete formatTarget;
}
char* DOM_SaveToString(DOM_Node doc)
{
char *retval = 0;
try
{
ostrstream out;
formatTarget->str_pointer = &out;
out << doc << endl;
retval = out.rdbuf()->str();
}
catch (XMLException& e)
{
cerr << "An error occurred during creation of output transcoder.
Msg is:"
<< endl
<< DOMString(e.getMessage()).transcode() << endl;
retval = 0;
}
return retval;
}
void DOM_SaveToFile(DOM_Node doc, const char* filename)
{
try
{
ostrstream out;
formatTarget->str_pointer = &out;
out << doc << endl;
ofstream xmlfile(filename);
xmlfile << out.rdbuf()->str();
}
catch (XMLException& e)
{
cerr << "An error occurred during creation of output
transcoder. Msg is:"
<< endl
<< DOMString(e.getMessage()).transcode() << endl;
}
}
//
---------------------------------------------------------------------------
// ostream << DOM_Node
//
// Stream out a DOM node, and, recursively, all of its children. This
// function is the heart of writing a DOM tree out as XML source. Give it
// a document node and it will do the whole thing.
//
---------------------------------------------------------------------------
ostrstream& operator<<(ostrstream& target, DOM_Node& toWrite)
{
// Get the name and value out for convenience
DOMString nodeName = toWrite.getNodeName();
DOMString nodeValue = toWrite.getNodeValue();
unsigned long lent = nodeValue.length();
switch (toWrite.getNodeType())
{
case DOM_Node::TEXT_NODE:
{
gFormatter->formatBuf(nodeValue.rawBuffer(),
lent, XMLFormatter::CharEscapes);
break;
}
case DOM_Node::PROCESSING_INSTRUCTION_NODE :
{
*gFormatter << XMLFormatter::NoEscapes << gStartPI << nodeName;
if (lent > 0)
{
*gFormatter << chSpace << nodeValue;
}
*gFormatter << XMLFormatter::NoEscapes << gEndPI;
break;
}
case DOM_Node::DOCUMENT_NODE :
{
DOM_Node child = toWrite.getFirstChild();
while( child != 0)
{
target << child << endl;
child = child.getNextSibling();
}
break;
}
case DOM_Node::ELEMENT_NODE :
{
// The name has to be representable without any escapes
*gFormatter << XMLFormatter::NoEscapes
<< chOpenAngle << nodeName;
// Output the element start tag.
// Output any attributes on this element
DOM_NamedNodeMap attributes = toWrite.getAttributes();
int attrCount = attributes.getLength();
for (int i = 0; i < attrCount; i++)
{
DOM_Node attribute = attributes.item(i);
//
// Again the name has to be completely representable.
But the
// attribute can have refs and requires the attribute style
// escaping.
//
*gFormatter << XMLFormatter::NoEscapes
<< chSpace << attribute.getNodeName()
<< chEqual << chDoubleQuote
<< XMLFormatter::AttrEscapes
<< attribute.getNodeValue()
<< XMLFormatter::NoEscapes
<< chDoubleQuote;
}
//
// Test for the presence of children, which includes both
// text content and nested elements.
//
DOM_Node child = toWrite.getFirstChild();
if (child != 0)
{
// There are children. Close start-tag, and output children.
// No escapes are legal here
*gFormatter << XMLFormatter::NoEscapes << chCloseAngle;
while( child != 0)
{
target << child;
child = child.getNextSibling();
}
//
// Done with children. Output the end tag.
//
*gFormatter << XMLFormatter::NoEscapes << gEndElement
<< nodeName << chCloseAngle;
}
else
{
//
// There were no children. Output the short form close of
// the element start tag, making it an empty-element tag.
//
*gFormatter << XMLFormatter::NoEscapes << chForwardSlash
<< chCloseAngle;
}
break;
}
case DOM_Node::ENTITY_REFERENCE_NODE:
{
DOM_Node child;
#if 0
for (child = toWrite.getFirstChild();
child != 0;
child = child.getNextSibling())
{
target << child;
}
#else
//
// Instead of printing the refernece tree
// we'd output the actual text as it appeared in the xml
file.
// This would be the case when -e option was chosen
//
*gFormatter << XMLFormatter::NoEscapes << chAmpersand
<< nodeName << chSemiColon;
#endif
break;
}
case DOM_Node::CDATA_SECTION_NODE:
{
*gFormatter << XMLFormatter::NoEscapes << gStartCDATA
<< nodeValue << gEndCDATA;
break;
}
case DOM_Node::COMMENT_NODE:
{
*gFormatter << XMLFormatter::NoEscapes << gStartComment
<< nodeValue << gEndComment;
break;
}
case DOM_Node::DOCUMENT_TYPE_NODE:
{
DOM_DocumentType doctype = (DOM_DocumentType &)toWrite;;
*gFormatter << XMLFormatter::NoEscapes << gStartDoctype
<< nodeName;
DOMString id = doctype.getPublicId();
if (id != 0)
{
*gFormatter << XMLFormatter::NoEscapes << chSpace << gPublic
<< id << chDoubleQuote;
id = doctype.getSystemId();
if (id != 0)
{
*gFormatter << XMLFormatter::NoEscapes << chSpace
<< chDoubleQuote << id << chDoubleQuote;
}
}
else
{
id = doctype.getSystemId();
if (id != 0)
{
*gFormatter << XMLFormatter::NoEscapes << chSpace <<
gSystem
<< id << chDoubleQuote;
}
}
id = doctype.getInternalSubset();
if (id !=0)
*gFormatter << XMLFormatter::NoEscapes << chOpenSquare
<< id << chCloseSquare;
*gFormatter << XMLFormatter::NoEscapes << chCloseAngle;
break;
}
case DOM_Node::ENTITY_NODE:
{
*gFormatter << XMLFormatter::NoEscapes << gStartEntity
<< nodeName;
DOMString id = ((DOM_Entity &)toWrite).getPublicId();
if (id != 0)
*gFormatter << XMLFormatter::NoEscapes << gPublic
<< id << chDoubleQuote;
id = ((DOM_Entity &)toWrite).getSystemId();
if (id != 0)
*gFormatter << XMLFormatter::NoEscapes << gSystem
<< id << chDoubleQuote;
id = ((DOM_Entity &)toWrite).getNotationName();
if (id != 0)
*gFormatter << XMLFormatter::NoEscapes << gNotation
<< id << chDoubleQuote;
*gFormatter << XMLFormatter::NoEscapes << chCloseAngle << chLF;
break;
}
case DOM_Node::XML_DECL_NODE:
{
DOMString str;
*gFormatter << gXMLDecl1 << ((DOM_XMLDecl
&)toWrite).getVersion();
*gFormatter << gXMLDecl2 << gEncodingName;
str = ((DOM_XMLDecl &)toWrite).getStandalone();
if (str != 0)
*gFormatter << gXMLDecl3 << str;
*gFormatter << gXMLDecl4;
break;
}
default:
cerr << "Unrecognized node type = "
<< (long)toWrite.getNodeType() << endl;
}
return target;
}
//
---------------------------------------------------------------------------
// ostream << DOMString
//
// Stream out a DOM string. Doing this requires that we first transcode
// to char * form in the default code page for the system
//
---------------------------------------------------------------------------
ostrstream& operator<< (ostrstream& target, const DOMString& s)
{
char *p = s.transcode();
target << p;
delete [] p;
return target;
}
XMLFormatter& operator<< (XMLFormatter& strm, const DOMString& s)
{
unsigned int lent = s.length();
if (lent <= 0)
return strm;
XMLCh* buf = new XMLCh[lent + 1];
XMLString::copyNString(buf, s.rawBuffer(), lent);
buf[lent] = 0;
strm << buf;
delete [] buf;
return strm;
}
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