Release 1 (9.0.1)
Part Number A88894-01
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| Oracle9i Application Developer's Guide - XML Release 1 (9.0.1) Part Number A88894-01 |
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This chapter contains the following sections:
The XML Parser for C++ is provided with Oracle9i and is also available for download from the OTN site: http://otn.oracle.com/tech/xml.
It is located at $ORACLE_HOME/xdk/cpp/parser.
readme.html in the root directory of the software archive contains release specific information including bug fixes and API additions.
XML Parser for C++ will check if an XML document is well-formed, and optionally validate it against a DTD. The parser will construct an object tree which can be accessed via a DOM interface or operate serially via a SAX interface.
You can post questions, comments, or bug reports to the XML Discussion Forum at http://otn.oracle.com.
See Appendix F, "XDK for C++: Specifications and Cheat Sheet" for a list of XML Parser for C++ specifications and methods.
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See Also:
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The memory callback functions memcb may be used if you wish to use your own memory allocation. If they are used, all of the functions should be specified.
The memory allocated for parameters passed to the SAX callbacks or for nodes and data stored with the DOM parse tree will not be freed until one of the following is done:
xmlparse() or xmlparsebuf()is called to parse another file or buffer.
xmlclean() is called.
xmlterm() is called.
If threads are forked off somewhere in the midst of the init-parse-term sequence of calls, you will get unpredictable behavior and results.
Table 26-1 lists the datatypes used in XML Parser for C++.
Error message files are provided in the mesg/ subdirectory. The messages files also exist in the $ORACLE_HOME/oracore/mesg directory. You may set the environment variable ORA_XML_MESG to point to the absolute path of the mesg/ subdirectory although this not required.
Available validation modes are described in Chapter 20, "Using XML Parser for Java", "Oracle XML Parsers Support Four Validation Modes" .
Figure 26-1 illustrates the XML Parser for C++ functionality.
xmlinit() method.
DOM: If you are using the DOM interface, include the following steps:
XMLParser.xmlparse() or .xmlparserBuffer() method calls .getDocument Element(). If no other DOM methods are being applied, you can invoke .xmlterm().
.xmlterm()
.xmlclean() to clean up any data structure created during the parse process. You would then call .xmlterm()
SAX: If you are using the SAX interface, include the following steps:
.xmlclean() to clean up the memory and structures used during a parse, and go to Step 5. or return to Step 2.
xmlterm()
The sequence of calls to the parser can be any of the following:
XMLParser.xmlinit() - XMLParser.xmlparse() or
XMLParser.xmlparsebuf() - XMLParser.xmlterm()
XMLParser.xmlinit() - XMLParser.xmlparse() or
XMLParser.xmlparsebuf() - XMLParser.xmlclean() - XMLParser.xmlparse() or
XMLParser.xmlparsebuf() - XMLParser.xmlclean() -... - XMLParser.xmlterm()
XMLParser.xmlinit() - XMLParser.xmlparse() or
XMLParser.xmlparsebuf() - XMLParser.xmlparse() or
XMLParser.xmlparsebuf() -... - XMLParser.xmlterm()
Figure 26-2 shows the XML Parser for C++ XSLT functionality for the DOM interface.
xmlparse():
The output of XMLParser.xmlparse(), the parsed stylesheet and parsed XML document, are sent to the XSLProcess.xslprocess() method for processing.
XMLParser.xmlinit() initializes the XSLT processing. XMLParser. xmlinit() also initializes the xslprocess() result
XSLProcess.xslProcess() optionally calls other methods, such as print methods. You can see the list of available methods either on OTN or in Oracle9i XML Reference.
XMLParser.xmlterm(), for the XML document, stylesheet, and final result.
XML Parser for C XSLT functionality is illustrated with the following examples:
The following is the XML Parser for C++ default behavior:
Oracle XML parser for C++ checks if an XML document is well-formed, and optionally validates it against a DTD. The parser constructs an object tree which can be accessed via one of the following interfaces:
These two XML APIs:
Tree-based APIs are useful for a wide range of applications, but they often put a great strain on system resources, especially if the document is large (under very controlled circumstances, it is possible to construct the tree in a lazy fashion to avoid some of this problem). Furthermore, some applications need to build their own, different data trees, and it is very inefficient to build a tree of parse nodes, only to map it onto a new tree.
In both of these cases, an event-based API provides a simpler, lower-level access to an XML document: you can parse documents much larger than your available system memory, and you can construct your own data structures using your callback event handlers.
To use SAX, an xmlsaxcb structure is initialized with function pointers and passed to the xmlinit() call. A pointer to a user-defined context structure can also be included. That context pointer will be passed to each SAX function.
The SAX callback structure:
typedef struct { sword (*startDocument)(void *ctx); sword (*endDocument)(void *ctx); sword (*startElement)(void *ctx, const oratext *name, const struct xmlarray *attrs); sword (*endElement)(void *ctx, const oratext *name); sword (*characters)(void *ctx, const oratext *ch, size_t len); sword (*ignorableWhitespace)(void *ctx, const oratext *ch, size_t len); sword (*processingInstruction)(void *ctx, const oratext *target, const oratext *data); sword (*notationDecl)(void *ctx, const oratext *name, const oratext *publicId, const oratext *systemId); sword (*unparsedEntityDecl)(void *ctx, const oratext *name, const oratext *publicId, const oratext *systemId, const oratext *notationName); sword (*nsStartElement)(void *ctx, const oratext *qname, const oratext *local, const oratext *nsp, const struct xmlnodes *attrs); } xmlsaxcb;
See "XML Parser for C++ Example 6: C++ -- DOMSample.cpp" .
XML Parser for C++ can be invoked in two ways:
The XML Parser for C++ can be called as an executable by invoking bin/xml
Table 26-2 lists the command line options.
XML Parser for C++ can also be invoked by writing code to use the supplied APIs. The code must be compiled using the headers in the include/ subdirectory and linked against the libraries in the lib/ subdirectory. Please see the Makefile in the sample/ subdirectory for full details of how to build your program.
$ORACLE_HOME/xdk/cpp/parser/sample/ directory contains several XML applications to illustrate how to use the XML Parser for C++ with the DOM and SAX interfaces.
Table 26-3 lists the sample files in sample/ directory.
Change directories to ..sample/ and read the README file. This will explain how to build the sample programs according to your platform.
Table 26-4 lists the programs built by the sample files in sample/.
class.xml is an XML file that inputs XSLSample.cpp.
<?xml version = "1.0"?> <!DOCTYPE course [ <!ELEMENT course (Name, Dept, Instructor, Student)> <!ELEMENT Name (#PCDATA)> <!ELEMENT Dept (#PCDATA)> <!ELEMENT Instructor (Name)> <!ELEMENT Student (Name*)> ]> <course> <Name>Calculus</Name> <Dept>Math</Dept> <Instructor> <Name>Jim Green</Name> </Instructor> <Student> <Name>Jack</Name> <Name>Mary</Name> <Name>Paul</Name> </Student> </course>
This XML example inputs DOMSample.cpp and SAXSample.cpp.
<?xml version="1.0"?> <!DOCTYPE PLAY [ <!ELEMENT PLAY (TITLE, PERSONAE, SCNDESCR, PLAYSUBT, INDUCT?, PROLOGUE?, ACT+, EPILOGUE?)> <!ELEMENT TITLE (#PCDATA)> <!ELEMENT FM (P+)> <!ELEMENT P (#PCDATA)> <!ELEMENT PERSONAE (TITLE, (PERSONA | PGROUP)+)> <!ELEMENT PGROUP (PERSONA+, GRPDESCR)> <!ELEMENT PERSONA (#PCDATA)> <!ELEMENT GRPDESCR (#PCDATA)> <!ELEMENT SCNDESCR (#PCDATA)> <!ELEMENT PLAYSUBT (#PCDATA)> <!ELEMENT INDUCT (TITLE, SUBTITLE*, (SCENE+|(SPEECH|STAGEDIR|SUBHEAD)+))> <!ELEMENT ACT (TITLE, SUBTITLE*, PROLOGUE?, SCENE+, EPILOGUE?)> <!ELEMENT SCENE (TITLE, SUBTITLE*, (SPEECH | STAGEDIR | SUBHEAD)+)> <!ELEMENT PROLOGUE (TITLE, SUBTITLE*, (STAGEDIR | SPEECH)+)> <!ELEMENT EPILOGUE (TITLE, SUBTITLE*, (STAGEDIR | SPEECH)+)> <!ELEMENT SPEECH (SPEAKER+, (LINE | STAGEDIR | SUBHEAD)+)> <!ELEMENT SPEAKER (#PCDATA)> <!ELEMENT LINE (#PCDATA | STAGEDIR)*> <!ELEMENT STAGEDIR (#PCDATA)> <!ELEMENT SUBTITLE (#PCDATA)> <!ELEMENT SUBHEAD (#PCDATA)> ]> <PLAY> <TITLE>The Tragedy of Antony and Cleopatra</TITLE> <PERSONAE> <TITLE>Dramatis Personae</TITLE> <PGROUP> <PERSONA>MARK ANTONY</PERSONA> <PERSONA>OCTAVIUS CAESAR</PERSONA> <PERSONA>M. AEMILIUS LEPIDUS</PERSONA> <GRPDESCR>triumvirs.</GRPDESCR> </PGROUP> <PERSONA>SEXTUS POMPEIUS</PERSONA> <PGROUP> <PERSONA>DOMITIUS ENOBARBUS</PERSONA> <PERSONA>VENTIDIUS</PERSONA> <PERSONA>EROS</PERSONA> <PERSONA>SCARUS</PERSONA> <PERSONA>DERCETAS</PERSONA> <PERSONA>DEMETRIUS</PERSONA> <PERSONA>PHILO</PERSONA> <GRPDESCR>friends to Antony.</GRPDESCR> </PGROUP> <PGROUP> <PERSONA>MECAENAS</PERSONA> <PERSONA>AGRIPPA</PERSONA> <PERSONA>DOLABELLA</PERSONA> <PERSONA>PROCULEIUS</PERSONA> <PERSONA>THYREUS</PERSONA> <PERSONA>GALLUS</PERSONA> <PERSONA>MENAS</PERSONA> <GRPDESCR>friends to Caesar.</GRPDESCR> </PGROUP> ... ... ... <SPEECH> <SPEAKER>First Guard</SPEAKER> <LINE>This is an aspic's trail: and these fig-leaves</LINE> <LINE>Have slime upon them, such as the aspic leaves</LINE> <LINE>Upon the caves of Nile.</LINE> </SPEECH> <SPEECH> <SPEAKER>OCTAVIUS CAESAR</SPEAKER> <LINE>Most probable</LINE> <LINE>That so she died; for her physician tells me</LINE> <LINE>She hath pursued conclusions infinite</LINE> <LINE>Of easy ways to die. Take up her bed;</LINE> <LINE>And bear her women from the monument:</LINE> <LINE>She shall be buried by her Antony:</LINE> <LINE>No grave upon the earth shall clip in it</LINE> <LINE>A pair so famous. High events as these</LINE> <LINE>Strike those that make them; and their story is</LINE> <LINE>No less in pity than his glory which</LINE> <LINE>Brought them to be lamented. Our army shall</LINE> <LINE>In solemn show attend this funeral;</LINE> <LINE>And then to Rome. Come, Dolabella, see</LINE> <LINE>High order in this great solemnity.</LINE> </SPEECH> <STAGEDIR>Exeunt</STAGEDIR> </SCENE> </ACT> </PLAY>
This example stylesheet can be used to input XSLSample.cpp.
<?xml version="1.0"?> <!-- Identity transformation --> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="*|@*|comment()|processing-instruction()|text()"> <xsl:copy> <xsl:apply-templates select="*|@*|comment()|processing-instruction()|text()"/> </xsl:copy> </xsl:template> </xsl:stylesheet>
This example DTD file inputs FullDOM.cpp.
<!DOCTYPE doc [ <!ELEMENT p (#PCDATA)> <!ATTLIST p xml:space (preserve|default) 'preserve'> <!NOTATION notation1 SYSTEM "file.txt"> <!NOTATION notation2 PUBLIC "some notation"> <!ELEMENT doc (p*)> <!ENTITY example "<p>An ampersand (&#38;) may be escaped numerically (&#38;#38;) or with a general entity (&amp;).</p>"> ]> <doc xml:lang="foo">&example;</doc>
The following example file, NSExample.xml, uses namespaces.
<!DOCTYPE doc [ <!ELEMENT doc (child*)> <!ATTLIST doc xmlns:nsprefix CDATA #IMPLIED> <!ATTLIST doc xmlns CDATA #IMPLIED> <!ATTLIST doc nsprefix:a1 CDATA #IMPLIED> <!ELEMENT child (#PCDATA)> ]> <doc nsprefix:a1 = "v1" xmlns="http://www.w3c.org" xmlns:nsprefix="http://www.oracle.com"> <child> This element inherits the default Namespace of doc. </child> </doc>
This example contains the C++ source code for DOMSample.cpp.
// Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. /////////////////////////////////////////////////////////////////////////////// // NAME // DOMSample.cpp // // DESCRIPTION // Sample usage of C++ XML parser via DOM interface // // PUBLIC FUNCTION(S) // // PRIVATE FUNCTION(S) // // NOTES // none /////////////////////////////////////////////////////////////////////////////// #include <iostream.h> #include <string.h> #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif #define DOCUMENT "cleo.xml" #define DEFAULT_SPEAKER "Soothsayer" void dump(Node *node); void dumpspeech(Node *node); char *speaker; char *act, *scene; uword n_speech; int main(int argc, char **argv) { XMLParser parser; ub4 flags; uword ecode; flags = XML_FLAG_VALIDATE | XML_FLAG_DISCARD_WHITESPACE; cout << "XML C++ DOM sample\n"; speaker = (argc > 1) ? argv[1] : DEFAULT_SPEAKER; cout << "Initializing XML package...\n"; if (ecode = parser.xmlinit()) { cout << "Failed to initialize XML parser, error " << ecode; return 1; } cout << "Parsing '" << DOCUMENT << "'...\n"; cout.flush(); if (ecode = parser.xmlparse((oratext *) DOCUMENT, (oratext *) 0, flags)) return 1; cout << "Dumping " << speaker << " speeches...\n"; cout.flush(); cout << "-----------------------------------------------------------\n"; act = scene = ""; n_speech = 0; dump(parser.getDocumentElement()); (void) parser.xmlterm(); // terminate LPX package return 0; } void dump(Node *node) { Node *title, *speak; char *name, *who; uword i, n_nodes; name = (char *) node->getName(); if (!strcmp((char *) name, "ACT")) { title = node->getFirstChild(); act = (char *) title->getFirstChild()->getValue(); } else if (!strcmp((char *) name, "SCENE")) { title = node->getFirstChild(); scene = (char *) title->getFirstChild()->getValue(); } else if (!strcmp((char *) name, "SPEECH")) { speak = node->getFirstChild(); who = (char *) speak->getFirstChild()->getValue(); if (!strcmp(who, speaker)) dumpspeech(node); } if (node->hasChildNodes()) { n_nodes = node->numChildNodes(); for (i = 0; i < n_nodes; i++) dump(node->getChildNode(i)); } } // <SPEECH> // <SPEAKER>Soothsayer</SPEAKER> // <LINE>Your will?</LINE> // </SPEECH> // <SPEECH> // <SPEAKER>CLEOPATRA</SPEAKER> // <LINE><STAGEDIR>Aside to DOMITIUS ENOBARBUS</STAGEDIR> What means this?</LINE> // </SPEECH> void dumpspeech(Node *node) { Node *kid, *part, *partkid; uword i, j, n_node, n_part; oratext *partname, *partval; if (n_speech++) cout << "\n"; cout << act << ", " << scene << "\n"; n_node = node->numChildNodes(); for (i = 0; i < n_node; i++) // skip speaker { kid = node->getChildNode(i); // line #i if (!strcmp((char *) kid->getName(), "LINE")) { n_part = kid->numChildNodes(); for (j = 0; j < n_part; j++) { part = kid->getChildNode(j); if (part->getType() == TEXT_NODE) cout << " " << (char *) part->getValue() << "\n"; else { partname = part->getName(); partval = part->getFirstChild()->getValue(); if (!strcmp((char *) partname, "STAGEDIR")) cout << " [" << (char *) partval << "]\n"; else cout << " {" << (char *) partval << "}\n"; } } } } cout.flush(); } // end of DOMSample.c
DOMSample.std shows the expected output from DOMSample.cpp.
XML C++ DOM sample Initializing XML package... Parsing 'cleo.xml'... Dumping Soothsayer speeches... ----------------------------------------------------------- ACT I, SCENE II. The same. Another room. Your will? ACT I, SCENE II. The same. Another room. In nature's infinite book of secrecy A little I can read. ACT I, SCENE II. The same. Another room. I make not, but foresee. ACT I, SCENE II. The same. Another room. You shall be yet far fairer than you are. ACT I, SCENE II. The same. Another room. You shall be more beloving than beloved. ACT I, SCENE II. The same. Another room. You shall outlive the lady whom you serve. ACT I, SCENE II. The same. Another room. You have seen and proved a fairer former fortune Than that which is to approach. ACT I, SCENE II. The same. Another room. If every of your wishes had a womb. And fertile every wish, a million. ACT I, SCENE II. The same. Another room. Your fortunes are alike. ACT I, SCENE II. The same. Another room. I have said. ACT II, SCENE III. The same. OCTAVIUS CAESAR's house. Would I had never come from thence, nor you Thither! ACT II, SCENE III. The same. OCTAVIUS CAESAR's house. I see it in My motion, have it not in my tongue: but yet Hie you to Egypt again. ACT II, SCENE III. The same. OCTAVIUS CAESAR's house. Caesar's. Therefore, O Antony, stay not by his side: Thy demon, that's thy spirit which keeps thee, is Noble, courageous high, unmatchable, Where Caesar's is not; but, near him, thy angel Becomes a fear, as being o'erpower'd: therefore Make space enough between you. ACT II, SCENE III. The same. OCTAVIUS CAESAR's house. To none but thee; no more, but when to thee. If thou dost play with him at any game, Thou art sure to lose; and, of that natural luck, He beats thee 'gainst the odds: thy lustre thickens, When he shines by: I say again, thy spirit Is all afraid to govern thee near him; But, he away, 'tis noble.
This example contains the C++ source code for SAXSample.cpp.
// Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. /////////////////////////////////////////////////////////////////////////////// // NAME // SAXSample.cpp // // DESCRIPTION // Sample usage of C++ XML parser via SAX interface // // PUBLIC FUNCTION(S) // // PRIVATE FUNCTION(S) // // NOTES // none /////////////////////////////////////////////////////////////////////////////// #include <iostream.h> #include <string.h> #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif #define DOCUMENT "cleo.xml" #define MAX_STRING 128 #define MAX_SPEAKER 20 oratext elem[MAX_STRING], last_elem[MAX_STRING]; uword n_speaker; oratext *speakers[MAX_SPEAKER]; size_t speakerlen[MAX_SPEAKER]; /* SAX callback functions */ sword startDocument(void *ctx); sword endDocument(void *ctx); sword startElement(void *ctx, const oratext *name, const struct xmlnodes *attrs); sword endElement(void *ctx, const oratext *name); sword characters(void *ctx, const oratext *ch, size_t len); xmlsaxcb saxcb = { startDocument, endDocument, startElement, endElement, characters }; int main() { XMLParser parser; ub4 flags; uword ecode; flags = XML_FLAG_VALIDATE | XML_FLAG_DISCARD_WHITESPACE; cout << "XML C++ SAX sample\n"; cout << "Initializing XML package...\n"; if (ecode = parser.xmlinit((oratext *) 0, // encoding (void (*)(void *, const oratext *, ub4)) 0, (void *) 0, // msghdlr ctx (xmlsaxcb *) &saxcb)) // SAX callback { cout << "Failed to initialize XML parser, error " << ecode; return 1; } cout << "Parsing '" << DOCUMENT << "' and showing speakers by scene...\n"; cout.flush(); if (ecode = parser.xmlparse((oratext *) DOCUMENT, (oratext *) 0, flags)) return 1; (void) parser.xmlterm(); // terminate LPX package return 0; } sword startDocument(void *ctx) { cout << "startDocument\n"; return 0; } sword endDocument(void *ctx) { cout << "endDocument\n"; return 0; } sword startElement(void *ctx, const oratext *name, const struct xmlnodes *attrs) { strcpy((char *) last_elem, (char *) elem); strcpy((char *) elem, (char *) name); return 0; } sword endElement(void *ctx, const oratext *name) { uword i; if (!strcmp((char *) name, "SCENE")) { for (i = 0; i < n_speaker; i++) { cout << " "; cout.write(speakers[i], speakerlen[i]); cout << "\n"; } } return 0; } sword characters(void *ctx, const oratext *ch, size_t len) { uword i; if (!strcmp((char *) elem, "TITLE")) { if (!strcmp((char *) last_elem, "ACT")) { cout << "\n--- "; cout.write(ch, len); cout << " ---\n\n"; } else if (!strcmp((char *) last_elem, "SCENE")) { n_speaker = 0; cout << " "; cout.write(ch, len); cout << "\n"; } } else if (!strcmp((char *) elem, "SPEAKER")) { if (n_speaker < MAX_SPEAKER) { for (i = 0; i < n_speaker; i++) if ((len == speakerlen[i]) && !strncmp((char *) speakers[i], (char *) ch, len)) break; if (!n_speaker || (i == n_speaker)) { speakers[n_speaker] = (oratext *) ch; speakerlen[n_speaker++] = len; } } } return 0; } // end of SAXSample.cc
SAXSample.std shows the expected output from SAXSample.cpp.
XML C++ SAX sample Initializing XML package... Parsing 'cleo.xml' and showing speakers by scene... startDocument --- ACT I --- SCENE I. Alexandria. A room in CLEOPATRA's palace. PHILO CLEOPATRA MARK ANTONY Attendant DEMETRIUS SCENE II. The same. Another room. CHARMIAN ALEXAS Soothsayer DOMITIUS ENOBARBUS IRAS CLEOPATRA Messenger MARK ANTONY First Attendant Second Attendant Second Messenger SCENE III. The same. Another room. CLEOPATRA CHARMIAN MARK ANTONY SCENE IV. Rome. OCTAVIUS CAESAR's house. OCTAVIUS CAESAR LEPIDUS Messenger SCENE V. Alexandria. CLEOPATRA's palace. CLEOPATRA CHARMIAN MARDIAN ALEXAS --- ACT II --- ... ... --- ACT V --- SCENE I. Alexandria. OCTAVIUS CAESAR's camp. OCTAVIUS CAESAR DOLABELLA DERCETAS AGRIPPA MECAENAS Egyptian PROCULEIUS All SCENE II. Alexandria. A room in the monument. CLEOPATRA PROCULEIUS GALLUS IRAS CHARMIAN DOLABELLA OCTAVIUS CAESAR SELEUCUS Guard Clown First Guard Second Guard endDocument
This example contains the C++ source code for DOMNamespace.cpp.
// Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. ////////////////////////////////////////////////////////////////////////////// // NAME // DOMNamespace.cpp // // DESCRIPTION // This file demonstates a simple use of the parser and Namespace // extensions to the DOM APIs. // // The XML file that is given to the application is parsed and the // elements and attributes in the document are printed. // // PUBLIC FUNCTION(S) // // PRIVATE FUNCTION(S) // // NOTES // none ////////////////////////////////////////////////////////////////////////////// #include <iostream.h> #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif #define DOCUMENT "NSExample.xml" void dump(Node *node); void dumpattrs(Node *node); // // main // int main() { XMLParser parser; ub4 flags; uword ecode; flags = XML_FLAG_VALIDATE | XML_FLAG_DISCARD_WHITESPACE; cout << "\nXML C++ DOM Namespace\n"; cout << "Initializing XML package...\n"; if (ecode = parser.xmlinit()) { cout << "Failed to initialize XML parser, error " << ecode; return 1; } cout << "Parsing '" << DOCUMENT << "'...\n"; cout.flush(); if (ecode = parser.xmlparse((oratext *) DOCUMENT, (oratext *) 0, flags)) return 1; cout << "\nThe elements are:\n"; dump(parser.getDocumentElement()); (void) parser.xmlterm(); // terminate LPX package return 0; } // // dump // void dump(Node *node) { uword i, n_nodes; NodeList *nodes; size_t nn; String qName; String localName; String nsName; String prefix; if (node == NULL) return; if (nodes = node->getChildNodes()) { for (nn = node->numChildNodes(), i=0; i < nn; i++) { // Use the methods getQualifiedName(), getLocalName(), // getPrefix(), and getNamespace() to get Namespace // information. qName = prefix = localName = nsName = (oratext *)" "; if (node->getQualifiedName() != (oratext *)NULL) qName = node->getQualifiedName(); if (node->getPrefix() != (oratext *)NULL) prefix = node->getPrefix(); if (node->getLocal() != (oratext *)NULL) localName = node->getLocal(); if (node->getNamespace() != (oratext *)NULL) nsName = node->getNamespace(); cout << " ELEMENT Qualified Name: " << (char *)qName << "\n"; cout << " ELEMENT Prefix : " << (char *)prefix << "\n"; cout << " ELEMENT Local Name : " << (char *)localName << "\n"; cout << " ELEMENT Namespace : " << (char *)nsName << "\n"; dumpattrs(node); dump(node->getChildNode(i)); } } } // // dumpattrs // void dumpattrs(Node *node) { NamedNodeMap *attrs; Attr *a; uword i; size_t na; oratext *qname; oratext *namespce; oratext *local; oratext *prefix; oratext *value; if (attrs = node->getAttributes()) { cout << "\n ATTRIBUTES: \n"; for (na = attrs->getLength(), i = 0; i < na; i++) { /* get attr qualified name, local name, namespace, and prefix */ a = (Attr *)attrs->item(i); qname = namespce = local = prefix = value = (oratext*)" "; if (a->getQualifiedName() != (oratext*)NULL) qname = a->getQualifiedName(); if (a->getNamespace() != (oratext*)NULL) namespce = a->getNamespace(); if (a->getLocal() != (oratext*)NULL) local = a->getLocal(); if (a->getPrefix() != (oratext*)NULL) prefix = a->getPrefix(); if (a->getValue() != (oratext*)NULL) value = a->getValue(); cout << " " << (char*)qname << " = " << (char*)value << "\n"; cout << " Namespace : " << (char*)namespce << "\n"; cout << " Local Name: " << (char*)local << "\n"; cout << " Prefix : " << (char*)prefix << "\n\n"; } } cout << "\n"; }
DOMNamespace.std shows the expected output from DOMNamespace.cpp.
XML C++ DOM Namespace Initializing XML package... Parsing 'NSExample.xml'... The elements are: ELEMENT Qualified Name: doc ELEMENT Prefix : ELEMENT Local Name : doc ELEMENT Namespace : http://www.w3c.org ATTRIBUTES: nsprefix:a1 = v1 Namespace : http://www.oracle.com Local Name: a1 Prefix : nsprefix xmlns = http://www.w3c.org Namespace : Local Name: xmlns Prefix : xmlns:nsprefix = http://www.oracle.com Namespace : Local Name: nsprefix Prefix : xmlns ELEMENT Qualified Name: child ELEMENT Prefix : ELEMENT Local Name : child ELEMENT Namespace : http://www.w3c.org
This example contains the C++ source code for the SAXNamespace program.
// Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. ////////////////////////////////////////////////////////////////////////////// // NAME // DOMNamespace.cpp // // DESCRIPTION // This file demonstates a simple use of the parser and Namespace // extensions to the SAX APIs. // The XML file that is given to the application is parsed and the // elements and attributes in the document are printed. // // PUBLIC FUNCTION(S) // // PRIVATE FUNCTION(S) // // NOTES // none ////////////////////////////////////////////////////////////////////////////// #include <iostream.h> #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif #define DOCUMENT "NSExample.xml" /*------------------------------------------------------------------------ FUNCTION PROTOTYPES ------------------------------------------------------------------------*/ int startDocument(void *ctx); int endDocument(void *ctx); int endElement(void *ctx, const oratext *name); int nsStartElement(void *ctx, const oratext *qname, const oratext *local, const oratext *nsp, const struct xmlnodes *attrs); /* SAX callback structure */ xmlsaxcb saxcb = { startDocument, endDocument, 0, endElement, 0, 0, 0, 0, 0, nsStartElement, 0, 0, 0, 0, 0, 0, 0, 0 }; /* SAX callback context */ /* typedef struct { xmlctx *ctx; uword depth; } cbctx; */ /*------------------------------------------------------------------------ MAIN ------------------------------------------------------------------------*/ int main() { XMLParser parser; ub4 flags; uword ecode; flags = XML_FLAG_VALIDATE | XML_FLAG_DISCARD_WHITESPACE; cout << "XML C++ SAX Namespace\n"; cout << "Initializing XML package...\n"; if (ecode = parser.xmlinit((oratext *) 0, // encoding (void (*)(void *, const oratext *, ub4)) 0, (void *) 0, // msghdlr ctx (xmlsaxcb *) &saxcb)) // SAX callback { cout << "Failed to initialize XML parser, error " << ecode; return 1; } /* parse the document */ cout << "Parsing '" << DOCUMENT << "'...\n"; cout.flush(); if (ecode = parser.xmlparse((oratext *) DOCUMENT, (oratext *) 0, flags)) return 1; (void) parser.xmlterm(); // terminate LPX package return 0; } /*------------------------------------------------------------------------ SAX Interface ------------------------------------------------------------------------*/ int startDocument(void *ctx) { cout << "\nStartDocument\n\n"; return 0; } int endDocument(void *ctx) { cout << "\nEndDocument\n"; return 0; } int endElement(void *ctx, const oratext *name) { cout << "\nELEMENT Name : " << (char*)name << "\n"; return 0; } int nsStartElement(void *ctx, const oratext *qname, const oratext *local, const oratext *nsp, const struct xmlnodes *attrs) { xmlnode *attr; uword i; oratext *aqname; oratext *alocal; oratext *anamespace; oratext *aprefix; oratext *avalue; /* * Use the functions getXXXQualifiedName(), getXXXLocalName(), and * getXXXNamespace() to get Namespace information. */ if (qname == (oratext*)NULL) qname = (oratext*)" "; if (local == (oratext*)NULL) local = (oratext*)" "; if (nsp == (oratext*)NULL) nsp = (oratext*)" "; cout << "ELEMENT Qualified Name: " << (char*)qname << "\n"; cout << "ELEMENT Local Name : " << (char*)local << "\n"; cout << "ELEMENT Namespace : " << (char*)nsp << "\n"; if (attrs) { for (i = 0; i < numAttributes(attrs); i++) { attr = getAttributeIndex(attrs,i); aqname = alocal = anamespace = aprefix = avalue = (oratext*)" "; if (getAttrQualifiedName(attr)) aqname = (oratext *) getAttrQualifiedName(attr); if (getAttrPrefix(attr)) aprefix = (oratext *) getAttrPrefix(attr); if (getAttrLocal(attr)) alocal = (oratext *) getAttrLocal(attr); if (getAttrNamespace(attr)) anamespace = (oratext *) getAttrNamespace(attr); if (getAttrValue(attr)) avalue = (oratext *) getAttrValue(attr); cout << " ATTRIBUTE Qualified Name : " << (char*)aqname << "\n"; cout << " ATTRIBUTE Prefix : " << (char*)aprefix << "\n"; cout << " ATTRIBUTE Local Name : " << (char*)alocal << "\n"; cout << " ATTRIBUTE Namespace : " << (char*)anamespace << "\n"; cout << " ATTRIBUTE Value : " << (char*)avalue << "\n"; cout << "\n"; } } return 0; }
SAXNamespace.std shows the expected output from SAXNamespace.cpp.
XML C++ SAX Namespace Initializing XML package... Parsing 'NSExample.xml'... StartDocument ELEMENT Qualified Name: doc ELEMENT Local Name : doc ELEMENT Namespace : http://www.w3c.org ATTRIBUTE Qualified Name : nsprefix:a1 ATTRIBUTE Prefix : nsprefix ATTRIBUTE Local Name : a1 ATTRIBUTE Namespace : http://www.oracle.com ATTRIBUTE Value : v1 ATTRIBUTE Qualified Name : xmlns ATTRIBUTE Prefix : ATTRIBUTE Local Name : xmlns ATTRIBUTE Namespace : ATTRIBUTE Value : http://www.w3c.org ATTRIBUTE Qualified Name : xmlns:nsprefix ATTRIBUTE Prefix : xmlns ATTRIBUTE Local Name : nsprefix ATTRIBUTE Namespace : ATTRIBUTE Value : http://www.oracle.com ELEMENT Qualified Name: child ELEMENT Local Name : child ELEMENT Namespace : http://www.w3c.org ELEMENT Name : child ELEMENT Name : doc EndDocument
This example contains the C++ source code for FullDOM.cpp.
// Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. ////////////////////////////////////////////////////////////////////////////// // NAME // FullDOM.cpp // // DESCRIPTION // Sample code to test full C++ DOM interface ////////////////////////////////////////////////////////////////////////////// #include <iostream.h> #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif #define TEST_DOC (oratext *) "FullDOM.xml" void dump(Node *node, uword level); void dumpnode(Node *node, uword level); static char *ntypename[] = { "0", "ELEMENT", "ATTRIBUTE", "TEXT", "CDATA", "ENTREF", "ENTITY", "PI", "COMMENT", "DOCUMENT", "DTD", "DOCFRAG", "NOTATION" }; #define FAIL { cout << "Failed!\n"; return 1; } int main() { XMLParser parser; Document *doc; Element *root, *elem, *subelem; Attr *attr, *attr1, *attr2, *gleep1, *gleep2; Text *text, *subtext; Node *node, *pi, *comment, *entref, *cdata, *clone, *deep_clone, *frag, *fragelem, *fragtext, *sub2, *fish, *food, *food2, *repl; NodeList *subs, *nodes; NamedNodeMap *attrs, *notes, *entities; DocumentType *dtd; uword i, ecode, level; cout << "XML C++ Full DOM test\n"; cout << "Initializing XML parser...\n"; if (ecode = parser.xmlinit()) { cout << "Failed to initialze XML parser, error " << ecode << "\n"; return 1; } cout << "\nCreating new document...\n"; if (!(doc = parser.createDocument())) FAIL cout << "Document from root node:\n"; dump(parser.getDocument(), 0); cout << "\nCreating root element ('ROOT')...\n"; if (!(elem = doc->createElement((oratext *) "ROOT"))) FAIL cout << "Setting as root element...\n"; if (!doc->appendChild(elem)) FAIL cout << "Document from 'ROOT' element:\n"; dump(root = parser.getDocumentElement(), 0); cout << "Adding 7 children to 'ROOT' element...\n"; if (!(text = doc->createTextNode((oratext *) "Gibberish")) || !elem->appendChild(text)) FAIL if (!(comment = doc->createComment((oratext*) "Bit warm today, innit?")) || !elem->appendChild(comment)) FAIL if (!(pi = doc->createProcessingInstruction((oratext *) "target", (oratext *) "PI-contents")) || !elem->appendChild(pi)) FAIL if (!(cdata = doc->createCDATASection((oratext *) "See DATA")) || !elem->appendChild(cdata)) FAIL if (!(entref = doc->createEntityReference((oratext *) "EntRef")) || !elem->appendChild(entref)) FAIL if (!(fish = doc->createElement((oratext *) "FISH")) || !elem->appendChild(fish)) FAIL if (!(food = doc->createElement((oratext *) "FOOD")) || !elem->appendChild(food)) FAIL cout << "Document from 'ROOT' element with its 7 children:\n"; dump(root, 0); cout << "\nTesting node insertion...\n"; cout << "Adding 'Pre-Gibberish' text node and 'Ask about the weather' comment node...\n"; if (!(node = doc->createTextNode((oratext *) "Pre-Gibberish")) || !elem->insertBefore(node, text)) FAIL if (!(node = doc->createComment((oratext *) "Ask about the weather:")) || !elem->insertBefore(node, comment)) FAIL cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nTesting nextSibling links starting at first child...\n"; for (node = elem->getFirstChild(); node; node = node->getNextSibling())dump(node, 1); cout << "\nTesting previousSibling links starting at last child...\n"; for (node = elem->getLastChild(); node; node = node->getPreviousSibling())dump(node, 1); cout << "\nTesting setting node value...\n"; cout << "Original node:\n"; dump(pi, 1); pi->setValue((oratext *) "New PI contents"); cout << "Node after new value:\n"; dump(pi, 1); cout << "\nAdding another element level, i.e., 'SUB'...\n"; if (!(subelem = doc->createElement((oratext *) "SUB")) || !elem->insertBefore(subelem, cdata) || !(subtext = doc->createTextNode((oratext *) "Lengthy SubText")) || !subelem->appendChild(subtext)) FAIL cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nAdding a second 'SUB' element...\n"; if (!(sub2 = doc->createElement((oratext *) "SUB")) || !elem->insertBefore(sub2, cdata)) FAIL cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nGetting all SUB nodes - note the distinct hex addresses...\n"; if (!(subs = doc->getElementsByTagName(root, (oratext *) "SUB"))) FAIL for (i = 0; i < subs->getLength(); i++) dumpnode(subs->item(i), 1); cout << "\nTesting parent links...\n"; for (level = 1, node = subtext; node; node = node->getParentNode(), level++) dumpnode(node, level); cout << "\nTesting owner document of node...\n"; dumpnode(subtext, 1); dumpnode(subtext->getOwnerDocument(), 1); cout << "\nTesting node replacement...\n"; if (!(node = doc->createTextNode((oratext *) "REPLACEMENT, 1/2 PRICE")) || !pi->replaceChild(node)) FAIL cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nTesting node removal...\n"; if (!entref->removeChild()) FAIL cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nNormalizing...\n"; elem->normalize(); cout << "Document from 'ROOT' element:\n"; dump(root, 0); cout << "\nCreating and populating document fragment...\n"; if (!(frag = doc->createDocumentFragment()) || !(fragelem = doc->createElement((oratext *) "FragElem")) || !(fragtext = doc->createTextNode((oratext *) "FragText")) || !frag->appendChild(fragelem) || !frag->appendChild(fragtext)) FAIL dump(frag, 1); cout << "Insert document fragment...\n"; if (!elem->insertBefore(frag, comment)) FAIL dump(elem, 1); cout << "\nCreate two attributes...\n"; if (!(attr1 = doc->createAttribute((oratext*)"Attr1",(oratext*)"Value1")) || !(attr2 = doc->createAttribute((oratext*)"Attr2",(oratext*)"Value2"))) FAIL cout << "Setting attributes...\n"; if (!subelem->setAttributeNode(attr1, NULL) || !subelem->setAttributeNode(attr2, NULL)) FAIL dump(subelem, 1); cout << "\nAltering attribute1 value...\n"; attr1->setValue((oratext *) "New1"); dump(subelem, 1); cout << "\nFetching attribute by name (Attr2)...\n"; if (!(node = subelem->getAttributeNode((oratext *) "Attr2"))) FAIL dump(node, 1); cout << "\nRemoving attribute by name (Attr1)...\n"; subelem->removeAttribute((oratext *) "Attr1"); dump(subelem, 1); cout << "\nAdding new attribute...\n"; if (!subelem->setAttribute((oratext *) "Attr3", (oratext *) "Value3")) FAIL dump(subelem, 1); cout << "\nRemoving attribute by pointer (Attr2)...\n"; if (!subelem->removeAttributeNode(attr2)) FAIL dump(subelem, 1); cout << "\nAdding new attribute w/same name (test replacement)...\n"; dump(subelem, 1); if (!(attr = doc->createAttribute((oratext*)"Attr3", (oratext*)"Zoo3"))) FAIL if (!subelem->setAttributeNode(attr, NULL)) FAIL dump(subelem, 1); cout << "\nTesting node (attr) set by name...\n"; cout << "Adding 'GLEEP' attr and printing out hex addresses of node set\n"; attrs = subelem->getAttributes(); if (!(gleep1=doc->createAttribute((oratext*)"GLEEP",(oratext*)"GLEEP1")) || !attrs->setNamedItem(gleep1, NULL)) FAIL dump(subelem, 0); cout << "\nTesting node (attr) set by name...\n"; cout << "Replacing 'GLEEP' element - note the changed hex address\n"; if (!(gleep2=doc->createAttribute((oratext*)"GLEEP",(oratext*)"GLEEP2")) || !attrs->setNamedItem(gleep2, &repl)) FAIL dump(subelem, 0); cout << "Replaced node was:\n"; dump(repl, 1); cout << "\nTesting node removal by name...\n"; cout << "Removing 'GLEEP' attribute\n"; if (!attrs->removeNamedItem((oratext *) "GLEEP")) FAIL dump(subelem, 0); cout << "\nOriginal SubROOT...\n"; dump(subelem, 1); cout << "Cloned SubROOT (not deep)...\n"; clone = subelem->cloneNode(FALSE); dump(clone, 1); cout << "Cloned SubROOT (deep)...\n"; deep_clone = subelem->cloneNode(TRUE); dump(deep_clone, 1); cout << "\nSplitting text...\n"; dump(subelem, 1); subtext->splitText(3); dump(subelem, 1); cout << "\nTesting string operations...\n"; cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << "Setting new data...\n"; subtext->setData((oratext *) "0123456789"); cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << " CharLength = " << (int) subtext->getLength() << "\n"; cout << " Substring(0,5) = \"" << (char *) subtext->substringData(0, 5) << "\"\n"; cout << " Substring(8,2) = \"" << (char *) subtext->substringData(8, 2) << "\"\n"; cout << "Appending data...\n"; subtext->appendData((oratext *) "ABCDEF"); cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << "Inserting data...\n"; subtext->insertData(10, (oratext *) "*foo*"); cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << "Deleting data...\n"; subtext->deleteData(0, 10); cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << "Replacing data...\n"; subtext->replaceData(1, 3, (oratext *) "bamboozle"); cout << " CharData = \"" << (char *) subtext->getData() << "\"\n"; cout << "Cleaning up...\n"; parser.xmlclean(); if (parser.getDocument()) { cout << "Problem, document is not gone!!\n"; return 1; } cout << "Parsing test document...\n"; if (ecode = parser.xmlparse(TEST_DOC, (oratext *) 0, 0)) { cout << "Parse failed, code " << ecode << "\n";; return ecode; } cout << "Document from root node:\n" << flush; dump(parser.getDocument(), 0); cout << "Testing getNotations...\n" << flush; dtd = parser.getDocType(); if (notes = dtd->getNotations()) { cout << "# of notations = " << notes->getLength() << "\n" << flush; for (i = 0; i < notes->getLength(); i++) dump(notes->item(i), 1); } else cout << "No defined notations\n" << flush; cout << "Testing getEntities...\n" << flush; if (entities = dtd->getEntities()) { cout << "# of entities = " << entities->getLength() << "\n" << flush; for (i = 0; i < entities->getLength(); i++) dump(entities->item(i), 1); } else cout << "No defined entities\n" << flush; cout << "Cleaning up...\n"; parser.xmlclean(); if (parser.getDocument()) { cout << "Problem, document is not gone!!\n"; return 1; } cout << "\nTerminating parser...\n"; parser.xmlterm(); cout << "Success.\n"; return 0; } void dump(Node *node, uword level) { NodeList *nodes; uword i, n_nodes; if (node) { dumpnode(node, level); if (node->hasChildNodes()) { nodes = node->getChildNodes(); n_nodes = node->numChildNodes(); for (i = 0; i < n_nodes; i++) dump(nodes->item(i), level + 1); } } } void dumpnode(Node *node, uword level) { const oratext *name, *value; short type; NamedNodeMap *attrs; Attr *attr; uword i, n_attrs; if (node) { for (i = 0; i <= level; i++) cout << " "; type = node->getType(); cout << (char *) ntypename[type]; if ((name = node->getName()) && (*name != '#')) cout << " \"" << (char *) name << "\""; if (value = node->getValue()) cout << " = \"" << (char *) value << "\""; if ((type == ELEMENT_NODE) && (attrs = node->getAttributes())) { cout << " ["; n_attrs = attrs->getLength(); for (i = 0; i < n_attrs; i++) { if (i) cout << ", "; attr = (Attr *) attrs->item(i); cout << (char *) attr->getName(); if (attr->getSpecified()) cout << "*"; cout << "=\"" << (char *) attr->getValue() << "\""; } cout << "]"; } cout << "\n"; } } // end of FullDOM.cpp
The FullDOM.std example file shows the expected output from FullDOM.cpp
XML C++ Full DOM test Initializing XML parser... Creating new document... Document from root node: DOCUMENT Creating root element ('ROOT')... Setting as root element... Document from 'ROOT' element: ELEMENT "ROOT" Adding 7 children to 'ROOT' element... Document from 'ROOT' element with its 7 children: ELEMENT "ROOT" TEXT = "Gibberish" COMMENT = "Bit warm today, innit?" PI "target" = "PI-contents" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Testing node insertion... Adding 'Pre-Gibberish' text node and 'Ask about the weather' comment node... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "PI-contents" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "PI-contents" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "PI-contents" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Testing nextSibling links starting at first child... TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "PI-contents" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Testing previousSibling links starting at last child... ELEMENT "FOOD" ELEMENT "FISH" ENTREF "EntRef" CDATA = "See DATA" PI "target" = "PI-contents" COMMENT = "Bit warm today, innit?" COMMENT = "Ask about the weather:" TEXT = "Gibberish" TEXT = "Pre-Gibberish" Testing setting node value... Original node: PI "target" = "PI-contents" Node after new value: PI "target" = "New PI contents" Adding another element level, i.e., 'SUB'... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "New PI contents" ELEMENT "SUB" TEXT = "Lengthy SubText" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Adding a second 'SUB' element... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" PI "target" = "New PI contents" ELEMENT "SUB" TEXT = "Lengthy SubText" ELEMENT "SUB" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Getting all SUB nodes - note the distinct hex addresses... ELEMENT "SUB" ELEMENT "SUB" Testing parent links... TEXT = "Lengthy SubText" ELEMENT "SUB" ELEMENT "ROOT" DOCUMENT Testing owner document of node... TEXT = "Lengthy SubText" DOCUMENT Testing node replacement... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" TEXT = "REPLACEMENT, 1/2 PRICE" ELEMENT "SUB" TEXT = "Lengthy SubText" ELEMENT "SUB" CDATA = "See DATA" ENTREF "EntRef" ELEMENT "FISH" ELEMENT "FOOD" Testing node removal... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-Gibberish" TEXT = "Gibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" TEXT = "REPLACEMENT, 1/2 PRICE" ELEMENT "SUB" TEXT = "Lengthy SubText" ELEMENT "SUB" CDATA = "See DATA" ELEMENT "FISH" ELEMENT "FOOD" Normalizing... Document from 'ROOT' element: ELEMENT "ROOT" TEXT = "Pre-GibberishGibberish" COMMENT = "Ask about the weather:" COMMENT = "Bit warm today, innit?" TEXT = "REPLACEMENT, 1/2 PRICE" ELEMENT "SUB" TEXT = "Lengthy SubText" ELEMENT "SUB" CDATA = "See DATA" ELEMENT "FISH" ELEMENT "FOOD" Creating and populating document fragment... DOCFRAG ELEMENT "FragElem" TEXT = "FragText" Insert document fragment... ELEMENT "ROOT" TEXT = "Pre-GibberishGibberish" COMMENT = "Ask about the weather:" ELEMENT "FragElem" TEXT = "FragText" COMMENT = "Bit warm today, innit?" TEXT = "REPLACEMENT, 1/2 PRICE" ELEMENT "SUB" TEXT = "Lengthy SubText" ELEMENT "SUB" CDATA = "See DATA" ELEMENT "FISH" ELEMENT "FOOD" Create two attributes... Setting attributes... ELEMENT "SUB" [Attr1*="Value1", Attr2*="Value2"] TEXT = "Lengthy SubText" Altering attribute1 value... ELEMENT "SUB" [Attr1*="New1", Attr2*="Value2"] TEXT = "Lengthy SubText" Fetching attribute by name (Attr2)... ATTRIBUTE "Attr2" = "Value2" Removing attribute by name (Attr1)... ELEMENT "SUB" [Attr2*="Value2"] TEXT = "Lengthy SubText" Adding new attribute... ELEMENT "SUB" [Attr2*="Value2", Attr3*="Value3"] TEXT = "Lengthy SubText" Removing attribute by pointer (Attr2)... ELEMENT "SUB" [Attr3*="Value3"] TEXT = "Lengthy SubText" Adding new attribute w/same name (test replacement)... ELEMENT "SUB" [Attr3*="Value3"] TEXT = "Lengthy SubText" ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" Testing node (attr) set by name... Adding 'GLEEP' attr and printing out hex addresses of node set ELEMENT "SUB" [Attr3*="Zoo3", GLEEP*="GLEEP1"] TEXT = "Lengthy SubText" Testing node (attr) set by name... Replacing 'GLEEP' element - note the changed hex address ELEMENT "SUB" [Attr3*="Zoo3", GLEEP*="GLEEP2"] TEXT = "Lengthy SubText" Replaced node was: ATTRIBUTE "GLEEP" = "GLEEP1" Testing node removal by name... Removing 'GLEEP' attribute ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" Original SubROOT... ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" Cloned SubROOT (not deep)... ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" Cloned SubROOT (deep)... ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" Splitting text... ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Lengthy SubText" ELEMENT "SUB" [Attr3*="Zoo3"] TEXT = "Leng" TEXT = "thy SubText" Testing string operations... CharData = "Leng" Setting new data... CharData = "0123456789" CharLength = 10 Substring(0,5) = "01234" Substring(8,2) = "89" Appending data... CharData = "0123456789ABCDEF" Inserting data... CharData = "0123456789*foo*ABCDEF" Deleting data... CharData = "*foo*ABCDEF" Replacing data... CharData = "*bamboozle*ABCDEF" Cleaning up... Parsing test document... Document from root node: DOCUMENT DTD "doc" ELEMENT "doc" [xml:lang*="foo"] ELEMENT "p" [xml:space="preserve"] TEXT = "An ampersand (&) may be escaped numerically (&) or with a general entity (&)." Testing getNotations... # of notations = 2 NOTATION "notation1" NOTATION "notation2" Testing getEntities... # of entities = 1 ENTITY "example" = "<p>An ampersand (&) may be escaped numerically (&#38;) or with a general entity (&amp;).</p>" Cleaning up... Terminating parser... Success.
This example contains the C++ source code for XSLSample.cpp
// Copyright (c) Oracle Corporation 1999. All Rights Reserved. /////////////////////////////////////////////////////////////////////////////// // NAME // XSLSample.cpp // // DESCRIPTION // Sample usage of C++ XSL processor // // PUBLIC FUNCTION(S) // // PRIVATE FUNCTION(S) // // NOTES // none /////////////////////////////////////////////////////////////////////////////// #ifndef ORAXMLDOM_ORACLE # include <oraxmldom.h> #endif int main(int argc, char **argv) { XMLParser xmlpar, xslpar, respar; XSLProcessor xslproc; Node *result; ub4 flags; uword ecode; flags = XML_FLAG_VALIDATE | XML_FLAG_DISCARD_WHITESPACE; cout << "XSL processor sample\n"; if (argc < 3) { cout << "Usage is XSLSample <xmlfile> <stlyesheet>\n"; return 1; } // Parse the XML file cout << "Parsing XML file " << argv[1] << "\n"; if (ecode = xmlpar.xmlinit()) { cout << "Failed to initialize XML parser, error " << ecode << "\n";; return 1; } if (ecode = xmlpar.xmlparse((oratext *) argv[1], (oratext *) 0, flags)) return 1; // Parse the Stylesheet file cout << "Parsing Stylesheet " << argv[2] << "\n"; if (ecode = xslpar.xmlinit()) { cout << "Failed to initialize XML parser, error " << ecode << "\n";; return 1; } if (ecode = xslpar.xmlparse((oratext *) argv[2], (oratext *) 0, flags)) return 1; // Initialize the result context cout << "Initializing the result context\n"; if (ecode = respar.xmlinit()) { cout << "Failed to initialize XML parser, error " << ecode << "\n";; return 1; } // XSL Processing cout << "XSL Processing\n"; if (ecode = xslproc.xslprocess(&xmlpar, &xslpar, &respar, &result)) { cout << "Failed in XSL Processing, error " << ecode << "\n";; return 1; } // print the resultant tree cout.flush(); xslproc.printres(&respar, result); // Terminate the parsers (void) xmlpar.xmlterm(); (void) xslpar.xmlterm(); (void) respar.xmlterm(); return 0; }
This example shows the typical result output from XSLSample.cpp
<xsl:param name="size"/> <xsl:param name="data"/> <xsl:choose> <xsl:when test="number(number($size) < string-length(string($data)))"> <xsl:value-of select="substring(string($data), 1, number($size))"/> </xsl:when> <xsl:otherwise> <xsl:value-of select="string($data)"/> </xsl:otherwise> </xsl:choose> <xsl:if test="number(number($size) > string-length(string($data)))"> <xsl:call-template name="pad"> <xsl:with-param name="padsize" select="number($size) - string-length(string($data))"/> </xsl:call-template> </xsl:if></xsl:template><xsl:template match="/"> <xsl:text> </xsl:text> <xsl:apply-templates select="//ROWSE T/ROW/CUSTOMER"/> <xsl:text> </xsl:text> </xsl:template><xsl:template match="CUSTOMER"> <xsl:call-template name="truncateorpad"> <xsl:with-param name="size" select="31"/> <xsl:with-param name="data" select ="."/> </xsl:call-template> </xsl:template> </xsl:stylesheet>
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