static void Main(string[] args) { VTDGen vg = new VTDGen(); int i; AutoPilot ap = new AutoPilot(); ap.selectXPath("/CATALOG/CD[PRICE < 10]"); BookMark bm = new BookMark(); if (vg.parseFile("cd.xml", false)) { VTDNav vn = vg.getNav(); bm.bind(vn); ap.bind(vn); //XPath eval returns one node at a time while ((i = ap.evalXPath()) != -1) { // push the current cursor position //vn.push(); bm.recordCursorPosition(); // equivalent to vn.push(); // get to the first child if (vn.toElement(VTDNav.FIRST_CHILD, "TITLE")) { int j = vn.getText(); if (j != -1) Console.WriteLine(" text node ==>" + vn.toString(j)); } // restore the cursor position //vn.pop(); bm.setCursorPosition(); // equivalent to vn.pop(); } ap.resetXPath(); } }
static void Main(string[] args) { VTDGen vg = new VTDGen(); AutoPilot ap = new AutoPilot(); Encoding eg = System.Text.Encoding.GetEncoding("utf-8"); //ap.selectXPath("/*/*/*"); AutoPilot ap2 = new AutoPilot(); ap2.selectXPath("//@*"); if (vg.parseFile("soap2.xml", true)) { FileStream fs = new FileStream("output.xml", System.IO.FileMode.OpenOrCreate); VTDNav vn = vg.getNav(); ap.bind(vn); ap2.bind(vn); //ap.evalXPath(); int i; while ((i = ap2.evalXPath()) != -1) { //System.out.println("attr name ---> "+ i+ " "+vn.toString(i)+" value ---> "+vn.toString(i+1)); vn.overWrite(i + 1, eg.GetBytes("")); } byte[] ba = vn.getXML().getBytes(); fs.Write(ba, 0, ba.Length); fs.Close(); } }
public static void Main(String[] args) { // instantiate VTDGen and XMLModifier VTDGen vg = new VTDGen(); XMLModifier xm = new XMLModifier(); AutoPilot ap = new AutoPilot(); AutoPilot ap2 = new AutoPilot(); ap.selectXPath("(/*/*/*)[position()>1 and position()<4]"); ap2.selectXPath("/*/*/*"); if (vg.parseFile("soap2.xml", true)) { VTDNav vn = vg.getNav(); xm.bind(vn); ap2.bind(vn); ap.bind(vn); ap2.evalXPath(); ElementFragmentNs ef = vn.getElementFragmentNs(); int i = -1; while ((i = ap.evalXPath()) != -1) { xm.insertAfterElement(ef); } xm.output("new_soap.xml"); } }
static void Main(string[] args) { VTDGen vg = new VTDGen(); int i; if (vg.parseFile("po.xml", true)) { // instantiate a node recorder here NodeRecorder nr = new NodeRecorder(); AutoPilot ap = new AutoPilot(); VTDNav vn = vg.getNav(); ap.bind(vn); // bind node recorder to vn nr.bind(vn); ap.selectXPath("(/*/*/*)[position()=1 or position()=10]"); while ((i = ap.evalXPath()) != -1) { nr.record(); // save the selected nodes into nr } ap.resetXPath(); // a good practice nr.resetPointer(); // get into nr's read mode // iterating over the nodes recorded by nr while ((i = nr.iterate()) != -1) { Console.WriteLine("string ==>" + vn.toString(i)); } nr.clear(); //remove all the nodes in nr, buffer is however reused } }
static void Main(string[] args) { try { // open a file and read the content into a byte array VTDGen vg = new VTDGen(); if (vg.parseFile("./servers.xml", true)) { VTDNav vn = vg.getNav(); AutoPilot ap = new AutoPilot(vn); ap.selectElementNS("http://purl.org/dc/elements/1.1/", "*"); // select name space here; * matches any local name int count = 0; while (ap.iterate()) { Console.Write("" + vn.getCurrentIndex() + " "); Console.WriteLine("Element name ==> " + vn.toString(vn.getCurrentIndex())); int t = vn.getText(); // get the index of the text (char data or CDATA) if (t != -1) { Console.WriteLine(" Text ==> " + vn.toNormalizedString(t)); } Console.WriteLine("\n ============================== "); count++; } Console.WriteLine("Total # of element " + count); } } catch (NavException e) { Console.WriteLine(" Exception during navigation " + e); } }
static void Main(string[] args) { try { // open file to output extracted fragments System.IO.FileInfo f1 = new System.IO.FileInfo("./out.txt"); System.IO.FileStream fos = new System.IO.FileStream(f1.FullName, System.IO.FileMode.Create); // instantiate the parser VTDGen vg = new VTDGen(); vg.selectLcDepth(5); if (vg.parseFile("./soap2.xml", true)) { VTDNav vn = vg.getNav(); // get to the SOAP header if (vn.toElementNS(VTDNav.FC, "http://www.w3.org/2003/05/soap-envelope", "Header")) { if (vn.toElement(VTDNav.FC)) // to first child { do { // test MUSTHAVE if (vn.hasAttrNS("http://www.w3.org/2003/05/soap-envelope", "mustUnderstand")) { long l = vn.getElementFragment(); int len = (int)(l >> 32); int offset = (int)l; byte[] b = vn.getXML().getBytes(); fos.Write(b, offset, len); //write the fragment out into out.txt System.Text.Encoding encoder = System.Text.Encoding.GetEncoding("ASCII"); byte[] bytes = encoder.GetBytes("\n=========\n"); fos.Write(bytes, 0, bytes.Length); } }while (vn.toElement(VTDNav.NS)); // navigate next sibling } else { System.Console.Out.WriteLine("Header has not child elements"); } } else { System.Console.Out.WriteLine(" Dosesn't have a header"); } fos.Close(); } } catch (NavException e) { System.Console.Out.WriteLine(" Exception during navigation " + e); } catch (System.IO.IOException e) { System.Console.Out.WriteLine(" IO exception condition" + e); } }
public static void Main(String[] args) { VTDGen vg = new VTDGen(); AutoPilot ap0 = new AutoPilot(); AutoPilot ap1 = new AutoPilot(); AutoPilot ap2 = new AutoPilot(); ap0.selectXPath("/root/a"); ap1.selectXPath("/root/b"); ap2.selectXPath("/root/c"); Encoding eg = System.Text.Encoding.GetEncoding("utf-8"); if (vg.parseFile("old.xml", false)) { VTDNav vn = vg.getNav(); ap0.bind(vn); ap1.bind(vn); ap2.bind(vn); FileStream fos = new FileStream("new.xml", System.IO.FileMode.OpenOrCreate); //fos.Write("<root>".getBytes()); byte[] ba0, ba1, ba2, ba3, ba4; //ba0 = eg.GetBytes(" ba1 = eg.GetBytes("<root>"); ba2 = eg.GetBytes("</root>"); ba3 = eg.GetBytes("\n"); fos.Write(ba1, 0, ba1.Length); byte[] ba = vn.getXML().getBytes(); while (ap0.evalXPath() != -1) { long l = vn.getElementFragment(); int offset = (int)l; int len = (int)(l >> 32); fos.Write(ba3, 0, ba3.Length); fos.Write(ba, offset, len); } ap0.resetXPath(); while (ap1.evalXPath() != -1) { long l = vn.getElementFragment(); int offset = (int)l; int len = (int)(l >> 32); fos.Write(ba3, 0, ba3.Length); fos.Write(ba, offset, len); } ap1.resetXPath(); while (ap2.evalXPath() != -1) { long l = vn.getElementFragment(); int offset = (int)l; int len = (int)(l >> 32); fos.Write(ba3, 0, ba3.Length); fos.Write(ba, offset, len); } ap2.resetXPath(); fos.Write(ba3, 0, ba3.Length); fos.Write(ba2, 0, ba2.Length); } }
static void Main(string[] args) { try { //File f = new File("bioinfo.xml"); // counting child elements of parlist int count = 0; // counting child elements of parlist named "par" int par_count = 0; VTDGen vg = new VTDGen(); if (vg.parseFile("./bioinfo.xml", true)) { VTDNav vn = vg.getNav(); AutoPilot ap = new AutoPilot(); ap.bind(vn); ap.selectXPath("/bix/package/command/parlist"); while (ap.evalXPath() != -1) { count++; } ap.selectXPath("/bix/package/command/parlist/par"); while (ap.evalXPath() != -1) { par_count++; } // print out the results Console.WriteLine(" count ====> " + count); Console.WriteLine(" par_count ==> " + par_count); // verify results using iterators int v = 0; vn.toElement(VTDNav.ROOT); ap = new AutoPilot(vn); ap.selectElement("par"); while (ap.iterate()) { if (vn.getCurrentDepth() == 4) { v++; } } Console.WriteLine(" verify ==> " + v); } } catch (NavException e) { Console.WriteLine(" Exception during navigation " + e); } catch (XPathParseException e) { } catch (XPathEvalException e) { } }
public static VTDNav parseString(String s) { VTDGen vg = new VTDGen(); System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding(); vg.setDoc(encoding.GetBytes(s)); vg.parse(true); return(vg.getNav()); }
static void Main(string[] args) { try { // open file to output extracted fragments System.IO.FileInfo f1 = new System.IO.FileInfo("./out.txt"); System.IO.FileStream fos = new System.IO.FileStream(f1.FullName, System.IO.FileMode.Create); // instantiate the parser VTDGen vg = new VTDGen(); vg.selectLcDepth(5); if (vg.parseFile("./soap2.xml", true)) { VTDNav vn = vg.getNav(); // get to the SOAP header AutoPilot ap = new AutoPilot(); ap.bind(vn); ap.declareXPathNameSpace("ns1", "http://www.w3.org/2003/05/soap-envelope"); // get to the SOAP header ap.selectXPath("/ns1:Envelope/ns1:Header/*[@ns1:mustUnderstand]"); Console.WriteLine("expr string is " + ap.getExprString()); while (ap.evalXPath() != -1) { long l = vn.getElementFragment(); int len = (int)(l >> 32); int offset = (int)l; byte[] b = vn.getXML().getBytes(); fos.Write(b, offset, len); //write the fragment out into out.txt System.Text.Encoding encoder = System.Text.Encoding.GetEncoding("ASCII"); byte[] bytes = encoder.GetBytes("\n=========\n"); fos.Write(bytes, 0, bytes.Length); } fos.Close(); } } catch (NavException e) { System.Console.Out.WriteLine(" Exception during navigation " + e); } catch (System.IO.IOException e) { System.Console.Out.WriteLine(" IO exception condition" + e); } }
static void Main(string[] args) { VTDGen vg = new VTDGen(); vg.setDoc(getBytes("<root>good</root>")); vg.parse(true); VTDNav vn = vg.getNav(); int i = vn.getText(); //print "good" Console.WriteLine("text ---> " + vn.toString(i)); if (vn.overWrite(i, getBytes("bad"))) { //overwrite, if successful, returns true //print "bad" here Console.WriteLine("text ---> " + vn.toString(i)); } }
static void Main(string[] args) { VTDGen vg = new VTDGen(); if (vg.parseFile("mix3.xml", true)) { VTDNav vn = vg.getNav(); // duplicated VTDNav instances share the same XML, LC buffers and VTD buffers. VTDNav vn2 = vn.duplicateNav(); VTDNav vn3 = vn.duplicateNav(); AutoPilot ap = new AutoPilot(vn); ap.selectXPath("//*"); int i; while ((i = ap.evalXPath()) != -1) { Console.WriteLine("element name: " + vn.toString(i)); } } }
static void Main(string[] args) { try { // open a file and read the content into a byte array VTDGen vg = new VTDGen(); if (vg.parseFile("./oldpo.xml", true)) { VTDNav vn = vg.getNav(); System.IO.FileInfo f1 = new System.IO.FileInfo("./newpo.txt"); System.IO.FileStream fos = new System.IO.FileStream(f1.FullName, System.IO.FileMode.Create); AutoPilot ap = new AutoPilot(vn); XMLModifier xm = new XMLModifier(vn); ap.selectXPath("/purchaseOrder/items/item[@partNum='872-AA']"); int i = -1; while ((i = ap.evalXPath()) != -1) { xm.remove(); xm.insertBeforeElement("<something/>\n"); } ap.selectXPath("/purchaseOrder/items/item/USPrice[.<40]/text()"); while ((i = ap.evalXPath()) != -1) { xm.updateToken(i, "200"); } xm.output(fos); fos.Close(); } } catch (NavException e) { Console.WriteLine(" Exception during navigation " + e); } catch (ModifyException e) { Console.WriteLine(" Modify exception occurred " + e); } catch (System.IO.IOException e) { System.Console.Out.WriteLine(" IO exception condition" + e); } }
public static void Main(String[] args) { String xml = "<aaaa> <bbbbb> <ccccc> </ccccc> <ccccc/> <ccccc></ccccc> </bbbbb> </aaaa>"; Encoding eg = Encoding.GetEncoding("utf-8"); VTDGen vg = new VTDGen(); vg.setDoc(eg.GetBytes(xml)); vg.parse(false); VTDNav vn = vg.getNav(); AutoPilot ap = new AutoPilot(vn); ap.selectXPath("//*"); XMLModifier xm = new XMLModifier(vn); while (ap.evalXPath() != -1) { xm.updateElementName("d:/lalalala"); } xm.output("lala.xml"); }
static void Main(string[] args) { try { // counting child elements of parlist int count = 0; // counting child elements of parlist named "par" int par_count = 0; VTDGen vg = new VTDGen(); if (vg.parseFile("./bioinfo.xml", true)) { VTDNav vn = vg.getNav(); if (vn.matchElement("bix")) { // match blix // to first child named "package" if (vn.toElement(VTDNav.FC, "package")) { do { Console.WriteLine("package"); // to first child named "command" if (vn.toElement(VTDNav.FC, "command")) { do { Console.WriteLine("command"); if (vn.toElement(VTDNav.FC, "parlist")) { do { Console.WriteLine("parlist"); count++; //increment count if (vn.toElement(VTDNav.FC)) { do { if (vn.matchElement("par")) { par_count++; } }while (vn.toElement(VTDNav.NS)); vn.toElement(VTDNav.P); } }while (vn.toElement(VTDNav.NS, "parlist")); vn.toElement(VTDNav.P); } } // to next silbing named "command" while (vn.toElement(VTDNav.NS, "command")); vn.toElement(VTDNav.P); // go up one level } else { Console.WriteLine(" no child element named 'command' "); } // verify result }while (vn.toElement(VTDNav.NS, "package")); // to next sibling named "package" vn.toElement(VTDNav.P); // go up one level } else { Console.WriteLine(" no child element named 'package' "); } } else { Console.WriteLine(" Root is not 'bix' "); } // print out the results Console.WriteLine(" count ====> " + count); Console.WriteLine(" par_count ==> " + par_count); // verify results using iterators int v = 0; vn.toElement(VTDNav.ROOT); AutoPilot ap = new AutoPilot(vn); ap.selectElement("par"); while (ap.iterate()) { if (vn.getCurrentDepth() == 4) { v++; } } Console.WriteLine(" verify ==> " + v); } } catch (NavException e) { Console.WriteLine(" Exception during navigation " + e); } }
static void Main(string[] args) { try { int t; System.IO.FileInfo f = new System.IO.FileInfo("./soap2.xml"); System.IO.FileStream fis = new System.IO.FileStream(f.FullName, System.IO.FileMode.Open, System.IO.FileAccess.Read); System.IO.FileInfo f1 = new System.IO.FileInfo("./out.xml"); System.IO.FileStream fos = new System.IO.FileStream(f1.FullName, System.IO.FileMode.Create); byte[] b = new byte[(int)f.Length]; fis.Read(b, 0, (int)f.Length); AutoPilot ap = new AutoPilot(); ap.declareXPathNameSpace("ns1", "http://www.w3.org/2003/05/soap-envelope"); // get to the SOAP header ap.selectXPath("/ns1:Envelope/ns1:Header/*[@ns1:mustUnderstand]"); Console.WriteLine("expr string is " + ap.getExprString()); // instantiate the parser VTDGen vg = new VTDGen(); int j = 0; VTDNav vn = null; while (j < 10) { vg.setDoc_BR(b); // use setDoc_BR (instead of setDoc) to turn on buffer reuse vg.parse(true); // set namespace awareness to true vn = vg.getNav(); ap.bind(vn); // bind calls resetXPath() so while ((t = ap.evalXPath()) != -1) { Console.WriteLine("j t--> " + j + " " + t); long l = vn.getElementFragment(); int len = (int)(l >> 32); int offset = (int)l; fos.Write(b, offset, len); //write the fragment out into out.txt System.Text.Encoding encoder = System.Text.Encoding.GetEncoding("ASCII"); byte[] bytes = encoder.GetBytes("\n=========\n"); fos.Write(bytes, 0, bytes.Length); } ap.resetXPath(); j++; } j = 0; Console.WriteLine("j -->" + j); vg.setDoc_BR(b); // use setDoc_BR (instead of setDoc) to turn on buffer reuse vg.parse(true); // set namespace awareness to true vn = vg.getNav(); ap.bind(vn); // bind calls resetXPath() so t = -1; while (j < 10) { while ((t = ap.evalXPath()) != -1) { Console.WriteLine("j t --> " + j + " " + t); long l = vn.getElementFragment(); int len = (int)(l >> 32); int offset = (int)l; fos.Write(b, offset, len); //write the fragment out into out.txt System.Text.Encoding encoder = System.Text.Encoding.GetEncoding("ASCII"); byte[] bytes = encoder.GetBytes("\n=========\n"); fos.Write(bytes, 0, bytes.Length); } ap.resetXPath(); j++; } fis.Close(); fos.Close(); } catch (ParseException e) { } catch (NavException e) { } catch (XPathParseException e) { } catch (XPathEvalException e) { } catch (System.IO.IOException e) { } }
protected override bool GetNextToken() { if (_isfirsttime) { _vgnav = null; _vg = new VTDGen(); if (_vg.parseFile(_fullname, true)) { _vgnav = _vg.getNav(); _vgnav.toElement(VTDNav.ROOT); //_vgap = new AutoPilot(_vgnav); //_vgap.selectElement("*"); _isfirsttime = false; _current_index = 0; } } if (_vgnav == null) { return(false); } int nb_tokens = _vgnav.getTokenCount(); current_token_len = 0; while (true) { try { if (_current_index >= nb_tokens) { return(false); } int len = _vgnav.getTokenLength(_current_index); if (len >= 3) { string token = _vgnav.toString(_current_index); len = token.Length; if (len >= 3) { if (len > MAX_WORD_LEN) { len = MAX_WORD_LEN; } current_token = token.ToCharArray(0, len); current_token_offset = _vgnav.getTokenOffset(_current_index); current_token_len = len; //_vgnav.getTokenLength(_current_index) _current_index++; return(true); } } } catch (Exception e) { e = e; return(false); } _current_index++; } return(true); }