samples/pxml/main.cxx

   1 /*
   2  * main.cxx
   3  *
   4  * PWLib application source file for PxmlTest
   5  *
   6  * Main program entry point.
   7  *
   8  * Copyright 2002 David Iodice.
   9  *
  10  * $Log$
  11  * Revision 1.1  2002/03/07 01:56:56  robertj
  12  * Added XML sample/test program.
  13  *
  14  */
  15
  16 #include <ptlib.h>
  17 #include "main.h"
  18
  19
  20 PCREATE_PROCESS(PxmlTest);
  21
  22
  23
  24 PxmlTest::PxmlTest()
  25   : PProcess("XML Testing Guru", "PxmlTest", 1, 0, AlphaCode, 1)
  26 {
  27 }
  28
  29 static const PString XML_ID("<?xml version=\"1.0\"?>");
  30 static const PString LEThdr("<s:Envelope xmlns:s=\"http://schemas.letter.org/letter/envelope/\" s:encodingStyle=\"http://schemas.letter.org/letter/encoding/\"><s:Body>");
  31 static const PString LETtrl("</s:Body></s:Envelope>");
  32 static const PString SetNumHdr("<u:SetNum xmlns:u=\"urn:schemas-dustbowl:1\"><Num>");
  33 static const PString SetNumTrl("</Num></u:SetNum>");
  34
  35 void printElement(int i,PXMLObject * el)
  36 {
  37         if (el->IsElement())
  38         {
  39                 cout << "("<<i++<<") "<< ((const PXMLElement *)el)->GetName() << endl;
  40                 if (((const PXMLElement *)el)->HasAttributes())
  41                 {
  42                         for (PINDEX j=0; j< ((const PXMLElement *)el)->GetNumAttributes(); ++j)
  43                         {
  44                                 cout << " " << ((const PXMLElement *)el)->GetKeyAttribute(j) << "=" << ((const PXMLElement *)el)->GetDataAttribute(j);
  45                         }
  46                 }
  47                 cout << " " << ((const PXMLElement *)el)->GetData() << endl;
  48                 if (((const PXMLElement *)el)->HasSubObjects())
  49                 {
  50                         PXMLObjectArray obs = ((const PXMLElement *)el)->GetSubObjects();
  51                         for (PINDEX o=0;o<obs.GetSize();++o) printElement(i,&obs[o]);
  52                 }
  53         }
  54 }
  55
  56 void PxmlTest::Main()
  57 {
  58         PString t("Color");
  59         int num=5;
  60    PString COLORVAL("<Color>5</Color>");
  61    PString COLORT1("<Color>");
  62    PString COLORT2("</Color>");
  63    PString COLORT3("<Color/>");
  64
  65         PString ns(PString::Signed,num);
  66         PAssert((COLORT1 == PXML::CreateStartTag(t)),"PXML::CreateStartTag(t) failed");
  67         PAssert((COLORT2 == PXML::CreateEndTag(t)),"PXML::CreateEndTag(t) failed");
  68         PAssert((COLORT3 == PXML::CreateTagNoData(t)),"PXML::CreateTagNoData(t) failed");
  69         PAssert((COLORVAL == PXML::CreateTag(t,ns)),"PXML::CreateTag(t,ns) failed");
  70
  71         PString ch = LEThdr + SetNumHdr + "23" + SetNumTrl + LETtrl;
  72
  73         PXML xml(ch,PXML::Indent |PXML::NewLineAfterElement+PXML::NoIgnoreWhiteSpace);
  74         PStringStream s;
  75         s << xml;
  76
  77         //can we recreate the XML?
  78
  79         PXML revamp;
  80    PString ROOTELE("s:Envelope");
  81    PString ROOTATKEY1("xmlns:s");
  82    PString ROOTATDAT1("http://schemas.letter.org/letter/envelope/");
  83    PString ROOTATKEY2("s:encodingStyle");
  84    PString ROOTATDAT2("http://schemas.letter.org/letter/encoding/");
  85         PAssert((ROOTELE == xml.GetRootElement()->GetName()),"Root element name not as expected");
  86         if (xml.GetRootElement()->HasAttributes()) {
  87                 for (PINDEX a=0; a<xml.GetRootElement()->GetNumAttributes(); ++a) {
  88               PAssert((ROOTATKEY1 == xml.GetRootElement()->GetKeyAttribute(a) ||
  89                                       ROOTATKEY2 == xml.GetRootElement()->GetKeyAttribute(a)),"Root element attribute key not as expected");
  90               PAssert((ROOTATDAT1 == xml.GetRootElement()->GetDataAttribute(a) ||
  91                                       ROOTATDAT2 == xml.GetRootElement()->GetDataAttribute(a)),"Root element attribute data not as expected");
  92                 }
  93         }
  94         PAssert((PString() == xml.GetRootElement()->GetData()),"Root element data not as expected");
  95
  96 #if 0
  97         //===
  98         // An example of printing elements -- see the function defined above
  99         //===
 100         for (PINDEX i=0; i<xml.GetNumElements(); ++i)
 101         {
 102                 printElement(i,xml.GetElement(i));
 103         }
 104
 105
 106         //===
 107         // Just checking reloading the same data in a different format
 108         //===
 109         PStringStream rs; xml.GetRootElement()->PrintOn(rs, -1, 0);
 110         cout << rs << endl;
 111         revamp.Load(rs);;
 112         cout << "Revamped XML" << revamp << endl;
 113 #endif
 114
 115         //===
 116         // Extract a subset of the XML
 117         // This can be used when the "data" of an XML element
 118         // is XML and you don't need that parsed yet :-)
 119         //===
 120         PStringStream ss;
 121         xml.GetElement(0)->PrintOn(ss, -1, 0);
 122
 123         PString EXCERPT("<s:Body>" + SetNumHdr + "23" + SetNumTrl + "</s:Body>");
 124         PAssert((EXCERPT == ss),"XML subset data not as expected");
 125
 126
 127         PXMLElement el(NULL, t);
 128         PXMLData * d = new PXMLData(NULL,ns);
 129         el.AddSubObject(d);
 130         PAssert((PString("Color") == el.GetName()),"Element name not as expected");
 131         PAssert((PString("5") == el.GetData()),"Element data not as expected");
 132
 133 #if 0
 134         //===
 135         // Checkout these examples of the PXMLSettings class
 136         //
 137         //  Constructor with data and options
 138         //===
 139         PXMLSettings dgi(ch,PXML::Indent | PXML::NewLineAfterElement | PXML::NoIgnoreWhiteSpace);
 140         cout << "PXMLSettings: " << dgi << endl;
 141         //  Default Constructor
 142         PXMLSettings opts;
 143         PString optsect("Options");
 144         PString comType("Comm Type");
 145         PString val("FTP");
 146         opts.SetAttribute(optsect,comType,val);
 147         cout << "attributes==>" << opts.GetAttribute(optsect,comType) << "<==" << endl;
 148         cout << "PXMLSettings: " << opts;
 149         cout << "done" << endl;
 150 #endif
 151
 152         //  Constructor with PConfig and String
 153    PFilePath fp("cfg.txt");
 154    PConfig cfg(fp, "Options");
 155         PXMLSettings xmlcfg(cfg);
 156         PStringStream xc;
 157         xc << xmlcfg;
 158    PFilePath fp2("cfgOut.txt");
 159    PConfig * cfg2; cfg2 = new PConfig(fp2, "Root");
 160         xmlcfg.ToConfig(*cfg2);
 161         delete cfg2;
 162         PTextFile tfp(fp2);
 163         PString fxc;
 164         char xcc;
 165         while(tfp.Read((void *)&xcc,1)) fxc += xcc;
 166         PXMLSettings xmlcfg2(cfg);
 167         PStringStream xc2;
 168         xc2 << xmlcfg2;
 169         PAssert((xc2 == xc),"Config not as expected");
 170
 171         cout << "*** Test Passed ***" << endl;
 172 }
 173
 174 // End of File ///////////////////////////////////////////////////////////////