main.cxx

安装 H323需要的pwlib库

/*
 * main.cxx
 *
 * PWLib application source file for PxmlTest
 *
 * Main program entry point.
 *
 * Copyright 2002 David Iodice.
 *
 * $Log: main.cxx,v $
 * Revision 1.1  2002/03/07 01:56:56  robertj
 * Added XML sample/test program.
 *
 */

#include <ptlib.h>
#include "main.h"


PCREATE_PROCESS(PxmlTest);



PxmlTest::PxmlTest()
  : PProcess("XML Testing Guru", "PxmlTest", 1, 0, AlphaCode, 1)
{
}

static const PString XML_ID("<?xml version=\"1.0\"?>");
static const PString LEThdr("<s:Envelope xmlns:s=\"http://schemas.letter.org/letter/envelope/\" s:encodingStyle=\"http://schemas.letter.org/letter/encoding/\"><s:Body>");
static const PString LETtrl("</s:Body></s:Envelope>");
static const PString SetNumHdr("<u:SetNum xmlns:u=\"urn:schemas-dustbowl:1\"><Num>");
static const PString SetNumTrl("</Num></u:SetNum>");

void printElement(int i,PXMLObject * el)
{
	if (el->IsElement())
	{
		cout << "("<<i++<<") "<< ((const PXMLElement *)el)->GetName() << endl;
		if (((const PXMLElement *)el)->HasAttributes())
		{
			for (PINDEX j=0; j< ((const PXMLElement *)el)->GetNumAttributes(); ++j)
			{
				cout << " " << ((const PXMLElement *)el)->GetKeyAttribute(j) << "=" << ((const PXMLElement *)el)->GetDataAttribute(j);
			}
		}
		cout << " " << ((const PXMLElement *)el)->GetData() << endl;
		if (((const PXMLElement *)el)->HasSubObjects())
		{
			PXMLObjectArray obs = ((const PXMLElement *)el)->GetSubObjects();
			for (PINDEX o=0;o<obs.GetSize();++o) printElement(i,&obs[o]);
		}
	}
}

void PxmlTest::Main()
{
	PString t("Color");
	int num=5;
   PString COLORVAL("<Color>5</Color>");
   PString COLORT1("<Color>");
   PString COLORT2("</Color>");
   PString COLORT3("<Color/>");

	PString ns(PString::Signed,num);
	PAssert((COLORT1 == PXML::CreateStartTag(t)),"PXML::CreateStartTag(t) failed");
	PAssert((COLORT2 == PXML::CreateEndTag(t)),"PXML::CreateEndTag(t) failed");
	PAssert((COLORT3 == PXML::CreateTagNoData(t)),"PXML::CreateTagNoData(t) failed");
	PAssert((COLORVAL == PXML::CreateTag(t,ns)),"PXML::CreateTag(t,ns) failed");

	PString ch = LEThdr + SetNumHdr + "23" + SetNumTrl + LETtrl;

	PXML xml(ch,PXML::Indent |PXML::NewLineAfterElement+PXML::NoIgnoreWhiteSpace);
	PStringStream s;
	s << xml;

	//can we recreate the XML?

	PXML revamp;
   PString ROOTELE("s:Envelope");
   PString ROOTATKEY1("xmlns:s");
   PString ROOTATDAT1("http://schemas.letter.org/letter/envelope/");
   PString ROOTATKEY2("s:encodingStyle");
   PString ROOTATDAT2("http://schemas.letter.org/letter/encoding/");
	PAssert((ROOTELE == xml.GetRootElement()->GetName()),"Root element name not as expected");
	if (xml.GetRootElement()->HasAttributes()) {
		for (PINDEX a=0; a<xml.GetRootElement()->GetNumAttributes(); ++a) {
	      PAssert((ROOTATKEY1 == xml.GetRootElement()->GetKeyAttribute(a) || 
				      ROOTATKEY2 == xml.GetRootElement()->GetKeyAttribute(a)),"Root element attribute key not as expected");
	      PAssert((ROOTATDAT1 == xml.GetRootElement()->GetDataAttribute(a) || 
				      ROOTATDAT2 == xml.GetRootElement()->GetDataAttribute(a)),"Root element attribute data not as expected");
		}
	}
	PAssert((PString() == xml.GetRootElement()->GetData()),"Root element data not as expected");

#if 0
	//===
	// An example of printing elements -- see the function defined above
	//===
	for (PINDEX i=0; i<xml.GetNumElements(); ++i)
	{
		printElement(i,xml.GetElement(i));		
	}


	//===
	// Just checking reloading the same data in a different format
	//===
	PStringStream rs; xml.GetRootElement()->PrintOn(rs, -1, 0); 
	cout << rs << endl;
	revamp.Load(rs);;
	cout << "Revamped XML" << revamp << endl;
#endif

	//===
	// Extract a subset of the XML
	// This can be used when the "data" of an XML element 
	// is XML and you don't need that parsed yet :-)
	//===
	PStringStream ss;
	xml.GetElement(0)->PrintOn(ss, -1, 0);

	PString EXCERPT("<s:Body>" + SetNumHdr + "23" + SetNumTrl + "</s:Body>");
	PAssert((EXCERPT == ss),"XML subset data not as expected");


	PXMLElement el(NULL, t);
	PXMLData * d = new PXMLData(NULL,ns);
	el.AddSubObject(d);
	PAssert((PString("Color") == el.GetName()),"Element name not as expected");
	PAssert((PString("5") == el.GetData()),"Element data not as expected");

#if 0
	//===
	// Checkout these examples of the PXMLSettings class
	//
	//  Constructor with data and options
	//===
	PXMLSettings dgi(ch,PXML::Indent | PXML::NewLineAfterElement | PXML::NoIgnoreWhiteSpace);
	cout << "PXMLSettings: " << dgi << endl;
	//  Default Constructor
	PXMLSettings opts;
	PString optsect("Options");
	PString comType("Comm Type");
	PString val("FTP");
	opts.SetAttribute(optsect,comType,val);
	cout << "attributes==>" << opts.GetAttribute(optsect,comType) << "<==" << endl;
	cout << "PXMLSettings: " << opts;
	cout << "done" << endl;
#endif

	//  Constructor with PConfig and String
   PFilePath fp("cfg.txt");
   PConfig cfg(fp, "Options");
	PXMLSettings xmlcfg(cfg);
	PStringStream xc; 
	xc << xmlcfg;
   PFilePath fp2("cfgOut.txt");
   PConfig * cfg2; cfg2 = new PConfig(fp2, "Root");
	xmlcfg.ToConfig(*cfg2);
	delete cfg2;
	PTextFile tfp(fp2);
	PString fxc;
	char xcc;
	while(tfp.Read((void *)&xcc,1)) fxc += xcc;
	PXMLSettings xmlcfg2(cfg);
	PStringStream xc2; 
	xc2 << xmlcfg2;
	PAssert((xc2 == xc),"Config not as expected");

	cout << "*** Test Passed ***" << endl;
}

// End of File ///////////////////////////////////////////////////////////////