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/******************************************************************/
/* Implementation of XML document processing using PdbXML. */
/* Author: Olivier Bertrand 2007-2017 */
/******************************************************************/
#include "my_global.h"
#include "global.h"
#include "plgdbsem.h"
#include "block.h"
#include "plgxml.h"
#if !defined(DOMDOC_SUPPORT)
PXDOC GetDomDoc(PGLOBAL g, char *nsl, char *nsdf,
char *enc, PFBLOCK fp)
{
strcpy(g->Message, MSG(DOM_NOT_SUPP));
return NULL;
} // end of GetDomDoc
#endif // !DOMDOC_SUPPORT
#ifndef LIBXML2_SUPPORT
PXDOC GetLibxmlDoc(PGLOBAL g, char *nsl, char *nsdf,
char *enc, PFBLOCK fp)
{
strcpy(g->Message, "libxml2 not supported");
return NULL;
} // end of GetLibxmlDoc
#endif // LIBXML2_SUPPORT
/******************************************************************/
/* XMLDOCUMENT constructor. */
/******************************************************************/
XMLDOCUMENT::XMLDOCUMENT(char *nsl, char *nsdf, char *enc)
{
#if defined(ZIP_SUPPORT)
zip = NULL;
#else // !ZIP_SUPPORT
zip = false;
#endif // !ZIP_SUPPORT
Namespaces = NULL;
Encoding = enc;
Nslist = nsl;
DefNs = nsdf;
} // end of XMLDOCUMENT constructor
/******************************************************************/
/* Initialize zipped file processing. */
/******************************************************************/
bool XMLDOCUMENT::InitZip(PGLOBAL g, PCSZ entry)
{
#if defined(ZIP_SUPPORT)
bool mul = (entry) ? strchr(entry, '*') || strchr(entry, '?') : false;
zip = new(g) UNZIPUTL(entry, NULL, mul);
return zip == NULL;
#else // !ZIP_SUPPORT
snprintf(g->Message, sizeof(g->Message), MSG(NO_FEAT_SUPPORT), "ZIP");
return true;
#endif // !ZIP_SUPPORT
} // end of InitZip
/******************************************************************/
/* Make the namespace structure list. */
/******************************************************************/
char* XMLDOCUMENT::GetMemDoc(PGLOBAL g, char *fn)
{
#if defined(ZIP_SUPPORT)
return (zip->OpenTable(g, MODE_ANY, fn)) ? NULL : zip->memory;
#else // !ZIP_SUPPORT
return NULL;
#endif // !ZIP_SUPPORT
} // end of GetMemDoc
/******************************************************************/
/* Make the namespace structure list. */
/******************************************************************/
bool XMLDOCUMENT::MakeNSlist(PGLOBAL g)
{
char *prefix, *href, *next = Nslist;
PNS nsp, *ppns = &Namespaces;
while (next) {
// Skip spaces
while ((*next) == ' ')
next++;
if ((*next) == '\0')
break;
// Find prefix
prefix = next;
next = strchr(next, '=');
if (next == NULL) {
strcpy(g->Message, MSG(BAS_NS_LIST));
return true;
} // endif next
*(next++) = '\0';
// Find href
href = next;
next = strchr(next, ' ');
if (next != NULL)
*(next++) = '\0';
// Allocate and link NS structure
nsp = (PNS)PlugSubAlloc(g, NULL, sizeof(NS));
nsp->Next = NULL;
nsp->Prefix = prefix;
nsp->Uri = href;
*ppns = nsp;
ppns = &nsp->Next;
} // endwhile next
return false;
} // end of MakeNSlist
/******************************************************************/
/* Close ZIP file. */
/******************************************************************/
void XMLDOCUMENT::CloseZip(void)
{
#if defined(ZIP_SUPPORT)
if (zip) {
zip->close();
zip = NULL;
} // endif zip
#endif // ZIP_SUPPORT
} // end of CloseZip
/******************************************************************/
/* XMLNODE constructor. */
/******************************************************************/
XMLNODE::XMLNODE(PXDOC dp)
{
Doc = dp;
Next = NULL;
Children = NULL;
Buf = NULL;
Len = -1;
} // end of XMLNODE constructor
/******************************************************************/
/* Attach new node at the end of this node children list. */
/******************************************************************/
PXNODE XMLNODE::NewChild(PXNODE ncp)
{
PXNODE np, *pnp = &Children;
for (np = *pnp; np; np = np->Next)
pnp = &np->Next;
*pnp = np;
return ncp;
} // end of NewChild
/******************************************************************/
/* Delete a node from this node children list. */
/******************************************************************/
void XMLNODE::Delete(PXNODE dnp)
{
PXNODE *pnp = &Children;
for (PXNODE np = *pnp; np; np = np->Next)
if (np == dnp) {
*pnp = dnp->Next;
break;
} else
pnp = &np->Next;
} // end of Delete
/******************************************************************/
/* Store a string in Buf, enventually reallocating it. */
/******************************************************************/
char *XMLNODE::BufAlloc(PGLOBAL g, const char *p, int n)
{
if (Len < n) {
Len = n;
Buf = (char*)PlugSubAlloc(g, NULL, n + 1);
} // endif Len
*Buf = '\0';
return strncat(Buf, p, n);
} // end of BufAlloc
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