diff options
Diffstat (limited to 'storage/connect/libdoc.cpp')
| -rw-r--r-- | storage/connect/libdoc.cpp | 766 |
1 files changed, 766 insertions, 0 deletions
diff --git a/storage/connect/libdoc.cpp b/storage/connect/libdoc.cpp new file mode 100644 index 00000000000..672b964d2eb --- /dev/null +++ b/storage/connect/libdoc.cpp @@ -0,0 +1,766 @@ +/******************************************************************/
+/* Implementation of XML document processing using libxml2 */
+/* Author: Olivier Bertrand 2007-2013 */
+/******************************************************************/
+#include <string.h>
+#include <stdio.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+//#if defined(WIN32)
+//#include <windows.h>
+//#else // !WIN32
+#include "my_global.h"
+//#endif // !WIN32
+
+#if !defined(LIBXML_XPATH_ENABLED) || !defined(LIBXML_SAX1_ENABLED)
+#error "XPath not supported"
+#endif
+
+#include "global.h"
+#include "plgdbsem.h"
+#include "xobject.h"
+#include "libdoc.h"
+
+extern "C" {
+extern char version[];
+extern int trace;
+} // "C"
+
+/******************************************************************/
+/* Return a LIBXMLDOC as a XMLDOC. */
+/******************************************************************/
+PXDOC GetLibxmlDoc(PGLOBAL g, char *nsl, char *nsdf,
+ char *enc, PFBLOCK fp)
+ {
+ return (PXDOC) new(g) LIBXMLDOC(nsl, nsdf, enc, fp);
+ } // end of GetLibxmlDoc
+
+/******************************************************************/
+/* XML library initialization function. */
+/******************************************************************/
+void XmlInitParserLib(void)
+ {
+ xmlInitParser();
+ } // end of XmlInitParserLib
+
+/******************************************************************/
+/* XML library cleanup function. */
+/******************************************************************/
+void XmlCleanupParserLib(void)
+ {
+ xmlCleanupParser();
+ xmlMemoryDump();
+ } // end of XmlCleanupParserLib
+
+/******************************************************************/
+/* Close a loaded libxml2 XML file. */
+/******************************************************************/
+void CloseXML2File(PGLOBAL g, PFBLOCK fp, bool all)
+ {
+ PX2BLOCK xp = (PX2BLOCK)fp;
+
+ if (xp && xp->Count > 1 && !all) {
+ xp->Count--;
+ } else if (xp && xp->Count > 0) {
+ iconv_close(xp->Cd);
+ iconv_close(xp->Cd2);
+ xmlFreeDoc(xp->Docp);
+ xp->Count = 0;
+ } // endif
+
+ } // end of CloseXML2File
+
+/* ---------------------- class LIBXMLDOC ----------------------- */
+
+/******************************************************************/
+/* LIBXMLDOC constructor. */
+/******************************************************************/
+LIBXMLDOC::LIBXMLDOC(char *nsl, char *nsdf, char *enc, PFBLOCK fp)
+ : XMLDOCUMENT(nsl, nsdf, enc)
+ {
+ assert (!fp || fp->Type == TYPE_FB_XML2);
+ Docp = (fp) ? ((PX2BLOCK)fp)->Docp : NULL;
+ Nlist = NULL;
+ Ctxp = NULL;
+ Xop = NULL;
+ Cd = (fp) ? ((PX2BLOCK)fp)->Cd : NULL;
+ Cd2 = (fp) ? ((PX2BLOCK)fp)->Cd2 : NULL;
+ } // end of LIBXMLDOC constructor
+
+/******************************************************************/
+/* Initialize XML parser and check library compatibility. */
+/******************************************************************/
+bool LIBXMLDOC::Initialize(PGLOBAL g)
+ {
+//int n = xmlKeepBlanksDefault(0);
+ Cd = iconv_open("ISO-8859-1", "UTF-8");
+ Cd2 = iconv_open("UTF-8", "ISO-8859-1");
+ return MakeNSlist(g);
+ } // end of Initialize
+
+/******************************************************************/
+/* Parse the XML file and construct node tree in memory. */
+/******************************************************************/
+bool LIBXMLDOC::ParseFile(char *fn)
+ {
+ if ((Docp = xmlParseFile(fn))) {
+ if (Docp->encoding)
+ Encoding = (char*)Docp->encoding;
+
+ return false;
+ } else
+ return true;
+
+ } // end of ParseFile
+
+/******************************************************************/
+/* Create or reuse an Xblock for this document. */
+/******************************************************************/
+PFBLOCK LIBXMLDOC::LinkXblock(PGLOBAL g, MODE m, int rc, char *fn)
+ {
+ PDBUSER dup = (PDBUSER)g->Activityp->Aptr;
+ PX2BLOCK xp = (PX2BLOCK)PlugSubAlloc(g, NULL, sizeof(X2BLOCK));
+
+ memset(xp, 0, sizeof(X2BLOCK));
+ xp->Next = (PX2BLOCK)dup->Openlist;
+ dup->Openlist = (PFBLOCK)xp;
+ xp->Type = TYPE_FB_XML2;
+ xp->Fname = (LPCSTR)PlugSubAlloc(g, NULL, strlen(fn) + 1);
+ strcpy((char*)xp->Fname, fn);
+ xp->Count = 1;
+ xp->Length = (m == MODE_READ) ? 1 : 0;
+ xp->Retcode = rc;
+ xp->Docp = Docp;
+// xp->Ctxp = Ctxp;
+// xp->Xop = Xop;
+ xp->Cd = Cd;
+ xp->Cd2 = Cd2; // Temporary
+
+ // Return xp as a fp
+ return (PFBLOCK)xp;
+ } // end of LinkXblock
+
+/******************************************************************/
+/* Construct and add the XML processing instruction node. */
+/******************************************************************/
+bool LIBXMLDOC::NewDoc(PGLOBAL g, char *ver)
+ {
+ return ((Docp = xmlNewDoc(BAD_CAST ver)) == NULL);
+ } // end of NewDoc
+
+/******************************************************************/
+/* Add a new comment node to the document. */
+/******************************************************************/
+void LIBXMLDOC::AddComment(PGLOBAL g, char *txtp)
+ {
+ xmlNodePtr cp = xmlNewDocComment(Docp, BAD_CAST txtp);
+ xmlAddChild((xmlNodePtr)Docp, cp);
+ } // end of AddText
+
+/******************************************************************/
+/* Return the node class of the root of the document. */
+/******************************************************************/
+PXNODE LIBXMLDOC::GetRoot(PGLOBAL g)
+ {
+ xmlNodePtr root = xmlDocGetRootElement(Docp);
+
+ if (!root)
+ return NULL;
+
+ return new(g) XML2NODE(this, root);
+ } // end of GetRoot
+
+/******************************************************************/
+/* Create a new root element and return its class node. */
+/******************************************************************/
+PXNODE LIBXMLDOC::NewRoot(PGLOBAL g, char *name)
+ {
+ xmlNodePtr root = xmlNewDocNode(Docp, NULL, BAD_CAST name, NULL);
+
+ if (root) {
+ xmlDocSetRootElement(Docp, root);
+ return new(g) XML2NODE(this, root);
+ } else
+ return NULL;
+
+ } // end of NewRoot
+
+/******************************************************************/
+/* Return a void XML2NODE node class. */
+/******************************************************************/
+PXNODE LIBXMLDOC::NewPnode(PGLOBAL g, char *name)
+ {
+ xmlNodePtr nop;
+
+ if (name) {
+ nop = xmlNewDocNode(Docp, NULL, BAD_CAST name, NULL);
+
+ if (nop == NULL)
+ return NULL;
+
+ } else
+ nop = NULL;
+
+ return new(g) XML2NODE(this, nop);
+ } // end of NewPnode
+
+/******************************************************************/
+/* Return a void XML2ATTR node class. */
+/******************************************************************/
+PXATTR LIBXMLDOC::NewPattr(PGLOBAL g)
+ {
+ return new(g) XML2ATTR(this, NULL, NULL);
+ } // end of NewPattr
+
+/******************************************************************/
+/* Return a void XML2ATTR node class. */
+/******************************************************************/
+PXLIST LIBXMLDOC::NewPlist(PGLOBAL g)
+ {
+ return new(g) XML2NODELIST(this, NULL);
+ } // end of NewPlist
+
+/******************************************************************/
+/* Dump the node tree to a new XML file. */
+/******************************************************************/
+int LIBXMLDOC::DumpDoc(PGLOBAL g, char *ofn)
+ {
+ int rc;
+ FILE *of;
+
+ if (!(of = fopen(ofn, "w")))
+ return -1;
+
+#if 1
+ // This function does not crash (
+ rc = xmlSaveFormatFileEnc((const char *)ofn, Docp, Encoding, 0);
+// rc = xmlDocDump(of, Docp);
+#else // 0
+ // Until this function is fixed, do the job ourself
+ xmlNodePtr Rootp;
+
+ // Save the modified document
+ fprintf(of, "<?xml version=\"1.0\" encoding=\"%s\"?>\n", Encoding);
+ fprintf(of, "<!-- Created by CONNECT %s -->\n", version);
+
+ if (!(Rootp = xmlDocGetRootElement(Docp)))
+ return 1;
+
+ Buf = (char*)PlugSubAlloc(g, NULL, 1024);
+ rc = iconv_close(Cd2);
+ Cd2 = iconv_open(Encoding, "UTF-8");
+ rc = CheckDocument(of, Rootp);
+#endif // 0
+
+ fclose(of);
+ return rc;
+ } // end of Dump
+
+/******************************************************************/
+/* Free the document, cleanup the XML library, and */
+/* debug memory for regression tests. */
+/******************************************************************/
+void LIBXMLDOC::CloseDoc(PGLOBAL g, PFBLOCK xp)
+ {
+ if (xp && xp->Count == 1) {
+ if (Xop)
+ xmlXPathFreeObject(Xop);
+
+ if (Ctxp)
+ xmlXPathFreeContext(Ctxp);
+
+ } // endif Count
+
+ CloseXML2File(g, xp, false);
+ } // end of Close
+
+/******************************************************************/
+/* Evaluate the passed Xpath from the passed context node. */
+/******************************************************************/
+xmlNodeSetPtr LIBXMLDOC::GetNodeList(PGLOBAL g, xmlNodePtr np, char *xp)
+ {
+ xmlNodeSetPtr nl;
+
+ if (trace)
+ htrc("GetNodeList %s np=%p\n", xp, np);
+
+ if (!Ctxp) {
+ // Init Xpath
+ xmlXPathInit();
+
+ // Create xpath evaluation context
+ if (!(Ctxp = xmlXPathNewContext(Docp))) {
+ strcpy(g->Message, MSG(XPATH_CNTX_ERR));
+
+ if (trace)
+ htrc("Context error: %s\n", g->Message);
+
+ return NULL;
+ } // endif xpathCtx
+
+ // Register namespaces from list (if any)
+ for (PNS nsp = Namespaces; nsp; nsp = nsp->Next)
+ if (xmlXPathRegisterNs(Ctxp, BAD_CAST nsp->Prefix,
+ BAD_CAST nsp->Uri)) {
+ sprintf(g->Message, MSG(REGISTER_ERR), nsp->Prefix, nsp->Uri);
+
+ if (trace)
+ htrc("Ns error: %s\n", g->Message);
+
+ return NULL;
+ } // endif Registering
+
+ } else
+ xmlXPathFreeNodeSetList(Xop); // To be checked
+
+ // Set the context to the calling node
+ Ctxp->node = np;
+
+ // Evaluate table xpath
+ if (!(Xop = xmlXPathEval(BAD_CAST xp, Ctxp))) {
+ sprintf(g->Message, MSG(XPATH_EVAL_ERR), xp);
+
+ if (trace)
+ htrc("Path error: %s\n", g->Message);
+
+ return NULL;
+ } else
+ nl = Xop->nodesetval;
+
+ if (trace)
+ htrc("GetNodeList nl=%p n=%p\n", nl, (nl) ? nl->nodeNr : 0);
+
+ return nl;
+ } // end of GetNodeList
+
+/******************************************************************/
+/* CheckDocument: check if the document is ok to dump. */
+/* Currently this does the dumping of the document. */
+/******************************************************************/
+bool LIBXMLDOC::CheckDocument(FILE *of, xmlNodePtr np)
+ {
+ int n;
+ bool b;
+
+ if (!np)
+ return true;
+
+ if (np->type == XML_ELEMENT_NODE) {
+ n = fprintf(of, "<%s", np->name);
+ b = CheckDocument(of, (xmlNodePtr)np->properties);
+
+ if (np->children)
+ n = fprintf(of, ">");
+ else
+ n = fprintf(of, "/>");
+
+ } else if (np->type == XML_ATTRIBUTE_NODE)
+ n = fprintf(of, " %s=\"", np->name);
+ else if (np->type == XML_TEXT_NODE)
+ n = fprintf(of, "%s", Encode(NULL, (char*)np->content));
+ else if (np->type == XML_COMMENT_NODE)
+ n = fprintf(of, "%s", Encode(NULL, (char*)np->content));
+
+ b = CheckDocument(of, np->children);
+
+ if (np->type == XML_ATTRIBUTE_NODE)
+ n = fprintf(of, "\"");
+ else if (!b && np->type == XML_ELEMENT_NODE)
+ n = fprintf(of, "</%s>", np->name);
+
+ b = CheckDocument(of, np->next);
+ return false;
+ } // end of CheckDocument
+
+/******************************************************************/
+/* Convert node or attribute content to latin characters. */
+/******************************************************************/
+int LIBXMLDOC::Decode(xmlChar *cnt, char *buf, int n)
+ {
+#if defined(WIN32) || defined(AIX)
+ const char *inp = (const char *)cnt;
+#else
+ char *inp = (char *)cnt;
+#endif
+ char *outp = buf;
+ size_t i = strlen(inp), o = n;
+
+ int rc = iconv(Cd, &inp, &i, &outp, &o);
+ buf[n - o] = '\0';
+ return rc;
+ } // end of Decode
+
+/******************************************************************/
+/* Convert node or attribute content to latin characters. */
+/******************************************************************/
+xmlChar *LIBXMLDOC::Encode(PGLOBAL g, char *txt)
+ {
+#if defined(WIN32) || defined(AIX)
+ const char *inp = (const char *)txt;
+#else
+ char *inp = (char *)txt;
+#endif
+ int rc;
+ size_t i = strlen(inp);
+ size_t n, o = 2*i + 1;
+ char *outp, *buf;
+
+ if (g) {
+ n = o;
+ buf = (char*)PlugSubAlloc(g, NULL, n);
+ } else {
+ n = o = 1024;
+ buf = Buf;
+ } // endif g
+
+ outp = buf;
+ rc = iconv(Cd2, &inp, &i, &outp, &o);
+ buf[n - o] = '\0';
+ return BAD_CAST buf;
+ } // end of Encode
+
+/* ---------------------- class XML2NODE ------------------------ */
+
+/******************************************************************/
+/* XML2NODE constructor. */
+/******************************************************************/
+XML2NODE::XML2NODE(PXDOC dp, xmlNodePtr np) : XMLNODE(dp)
+ {
+ Docp = ((PXDOC2)dp)->Docp;
+ Content = NULL;
+ Nodep = np;
+ } // end of XML2NODE constructor
+
+int XML2NODE::GetType(void)
+ {
+ if (trace)
+ htrc("GetType type=%d\n", Nodep->type);
+
+ return Nodep->type;
+ } // end of GetType
+
+/******************************************************************/
+/* Return the node class of next sibling of the node. */
+/******************************************************************/
+PXNODE XML2NODE::GetNext(PGLOBAL g)
+ {
+ if (!Nodep->next)
+ Next = NULL;
+ else if (!Next)
+ Next = new(g) XML2NODE(Doc, Nodep->next);
+
+ return Next;
+ } // end of GetNext
+
+/******************************************************************/
+/* Return the node class of first children of the node. */
+/******************************************************************/
+PXNODE XML2NODE::GetChild(PGLOBAL g)
+ {
+ if (!Nodep->children)
+ Children = NULL;
+ else if (!Children)
+ Children = new(g) XML2NODE(Doc, Nodep->children);
+
+ return Children;
+ } // end of GetChild
+
+/******************************************************************/
+/* Return the content of a node and subnodes. */
+/******************************************************************/
+char *XML2NODE::GetText(char *buf, int len)
+ {
+ if (Content)
+ xmlFree(Content);
+
+ if ((Content = xmlNodeGetContent(Nodep))) {
+ int rc = ((PXDOC2)Doc)->Decode(Content, buf, len);
+
+ if (trace)
+ htrc("GetText buf='%s' len=%d rc=%d\n", buf, len, rc);
+
+ xmlFree(Content);
+ Content = NULL;
+ } else
+ *buf = '\0';
+
+ return buf;
+ } // end of GetText
+
+/******************************************************************/
+/* Set the content of a node. */
+/******************************************************************/
+bool XML2NODE::SetContent(PGLOBAL g, char *txtp, int len)
+ {
+ if (trace)
+ htrc("SetContent %s\n", txtp);
+
+ xmlNodeSetContent(Nodep, ((PXDOC2)Doc)->Encode(g, txtp));
+ return false;
+ } // end of SetContent
+
+/******************************************************************/
+/* Return a clone of this node. */
+/******************************************************************/
+PXNODE XML2NODE::Clone(PGLOBAL g, PXNODE np)
+ {
+ if (np) {
+ ((PNODE2)np)->Nodep = Nodep;
+ return np;
+ } else
+ return new(g) XML2NODE(Doc, Nodep);
+
+ } // end of Clone
+
+/******************************************************************/
+/* Return the list of all or matching children that are elements.*/
+/******************************************************************/
+PXLIST XML2NODE::GetChildElements(PGLOBAL g, char *xp, PXLIST lp)
+ {
+ if (trace)
+ htrc("GetChildElements %s\n", xp);
+
+ return SelectNodes(g, (xp) ? xp : (char*)"*", lp);
+ } // end of GetChildElements
+
+/******************************************************************/
+/* Return the list of nodes verifying the passed Xpath. */
+/******************************************************************/
+PXLIST XML2NODE::SelectNodes(PGLOBAL g, char *xp, PXLIST lp)
+ {
+ if (trace)
+ htrc("SelectNodes %s\n", xp);
+
+ xmlNodeSetPtr nl = ((PXDOC2)Doc)->GetNodeList(g, Nodep, xp);
+
+ if (lp) {
+ ((PLIST2)lp)->Listp = nl;
+ return lp;
+ } else
+ return new(g) XML2NODELIST(Doc, nl);
+
+ } // end of SelectNodes
+
+/******************************************************************/
+/* Return the first node verifying the passed Xapth. */
+/******************************************************************/
+PXNODE XML2NODE::SelectSingleNode(PGLOBAL g, char *xp, PXNODE np)
+ {
+ if (trace)
+ htrc("SelectSingleNode %s\n", xp);
+
+ xmlNodeSetPtr nl = ((PXDOC2)Doc)->GetNodeList(g, Nodep, xp);
+
+ if (nl && nl->nodeNr) {
+ if (np) {
+ ((PNODE2)np)->Nodep = nl->nodeTab[0];
+ return np;
+ } else
+ return new(g) XML2NODE(Doc, nl->nodeTab[0]);
+
+ } else
+ return NULL;
+
+ } // end of SelectSingleNode
+
+/******************************************************************/
+/* Return the node attribute with the specified name. */
+/******************************************************************/
+PXATTR XML2NODE::GetAttribute(PGLOBAL g, char *name, PXATTR ap)
+ {
+ if (trace)
+ htrc("GetAttribute %s\n", name);
+
+ xmlAttrPtr atp = xmlHasProp(Nodep, BAD_CAST name);
+
+ if (atp) {
+ if (ap) {
+ ((PATTR2)ap)->Atrp = atp;
+ ((PATTR2)ap)->Parent = Nodep;
+ return ap;
+ } else
+ return new(g) XML2ATTR(Doc, atp, Nodep);
+
+ } else
+ return NULL;
+
+ } // end of GetAttribute
+
+/******************************************************************/
+/* Add a new child node to this node and return it. */
+/******************************************************************/
+PXNODE XML2NODE::AddChildNode(PGLOBAL g, char *name, PXNODE np)
+ {
+ char *p, *pn, *pf = NULL;
+
+ if (trace)
+ htrc("AddChildNode %s\n", name);
+
+ // Is a prefix specified
+ if ((pn = strchr(name, ':'))) {
+ pf = name;
+ *pn++ = '\0'; // Separate name from prefix
+ } else
+ pn = name;
+
+ // If name has the format m[n] only m is taken as node name
+ if ((p = strchr(pn, '[')))
+ p = BufAlloc(g, pn, p - pn);
+ else
+ p = pn;
+
+ xmlNodePtr nop = xmlNewChild(Nodep, NULL, BAD_CAST p, NULL);
+
+ if (!nop)
+ return NULL;
+
+ if (pf) {
+ // Prefixed name, is it the default NS prefix?
+ if (Doc->DefNs && !strcmp(pf, Doc->DefNs))
+ pf = NULL; // Default namespace
+
+ xmlNsPtr nsp = xmlSearchNs(Docp, nop, BAD_CAST pf);
+
+ if (!nsp)
+ nsp = xmlNewNs(nop, NULL, BAD_CAST pf);
+
+ // Set node namespace
+ nop->ns = nsp;
+ *(--p) = ':'; // Restore Xname
+ } else if (Doc->DefNs && xmlSearchNs(Docp, nop, NULL))
+ // Not in default namespace
+ nop->ns = xmlNewNs(nop, BAD_CAST "", NULL);
+
+ if (np)
+ ((PNODE2)np)->Nodep = nop;
+ else
+ np = new(g) XML2NODE(Doc, nop);
+
+ return NewChild(np);
+ } // end of AddChildNode
+
+/******************************************************************/
+/* Add a new property to this node and return it. */
+/******************************************************************/
+PXATTR XML2NODE::AddProperty(PGLOBAL g, char *name, PXATTR ap)
+ {
+ if (trace)
+ htrc("AddProperty %s\n", name);
+
+ xmlAttrPtr atp = xmlNewProp(Nodep, BAD_CAST name, NULL);
+
+ if (atp) {
+ if (ap) {
+ ((PATTR2)ap)->Atrp = atp;
+ ((PATTR2)ap)->Parent = Nodep;
+ return ap;
+ } else
+ return new(g) XML2ATTR(Doc, atp, Nodep);
+
+ } else
+ return NULL;
+
+ } // end of AddProperty
+
+/******************************************************************/
+/* Add a new text node to this node. */
+/******************************************************************/
+void XML2NODE::AddText(PGLOBAL g, char *txtp)
+ {
+ if (trace)
+ htrc("AddText %s\n", txtp);
+
+ // This is to avoid a blank line when inserting a new line
+ xmlNodePtr np = xmlGetLastChild(Nodep);
+
+ if (np && np->type == XML_TEXT_NODE) {
+ xmlUnlinkNode(np);
+ xmlFreeNode(np);
+ } // endif type
+
+ // Add the new text
+ xmlAddChild(Nodep, xmlNewText(BAD_CAST txtp));
+ } // end of AddText
+
+/******************************************************************/
+/* Remove a child node from this node. */
+/******************************************************************/
+void XML2NODE::DeleteChild(PGLOBAL g, PXNODE dnp)
+ {
+ xmlNodePtr np = ((PNODE2)dnp)->Nodep;
+ xmlNodePtr text = np->next;
+
+ // This is specific to row nodes
+ if (text && text->type == XML_TEXT_NODE) {
+ xmlUnlinkNode(text);
+ xmlFreeNode(text);
+ } // endif type
+
+ xmlUnlinkNode(np);
+ xmlFreeNode(np);
+ Delete(dnp);
+ } // end of DeleteChild
+
+/* -------------------- class XML2NODELIST ---------------------- */
+
+/******************************************************************/
+/* XML2NODELIST constructor. */
+/******************************************************************/
+XML2NODELIST::XML2NODELIST(PXDOC dp, xmlNodeSetPtr lp)
+ : XMLNODELIST(dp)
+ {
+ Listp = lp;
+ } // end of XML2NODELIST constructor
+
+/******************************************************************/
+/* Return the length of the list. */
+/******************************************************************/
+int XML2NODELIST::GetLength(void)
+ {
+ return (Listp) ? Listp->nodeNr : 0;
+ } // end of GetLength
+
+/******************************************************************/
+/* Return the nth element of the list. */
+/******************************************************************/
+PXNODE XML2NODELIST::GetItem(PGLOBAL g, int n, PXNODE np)
+ {
+ if (trace)
+ htrc("GetItem %d\n", n);
+
+ if (!Listp || Listp->nodeNr <= n)
+ return NULL;
+
+ if (np) {
+ ((PNODE2)np)->Nodep = Listp->nodeTab[n];
+ return np;
+ } else
+ return new(g) XML2NODE(Doc, Listp->nodeTab[n]);
+
+ } // end of GetItem
+
+/* ---------------------- class XML2ATTR ------------------------ */
+
+/******************************************************************/
+/* XML2ATTR constructor. */
+/******************************************************************/
+XML2ATTR::XML2ATTR(PXDOC dp, xmlAttrPtr ap, xmlNodePtr np)
+ : XMLATTRIBUTE(dp)
+ {
+ Atrp = ap;
+ Parent = np;
+ } // end of XML2ATTR constructor
+
+/******************************************************************/
+/* Set the content of an attribute. */
+/******************************************************************/
+bool XML2ATTR::SetText(PGLOBAL g, char *txtp, int len)
+ {
+ if (trace)
+ htrc("SetText %s\n", txtp);
+
+ xmlSetProp(Parent, Atrp->name, ((PXDOC2)Doc)->Encode(g, txtp));
+ return false;
+ } // end of SetText
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