diff options
Diffstat (limited to 'storage/connect/plgxml.cpp')
| -rw-r--r-- | storage/connect/plgxml.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/storage/connect/plgxml.cpp b/storage/connect/plgxml.cpp new file mode 100644 index 00000000..d78ba120 --- /dev/null +++ b/storage/connect/plgxml.cpp @@ -0,0 +1,185 @@ +/******************************************************************/ +/* 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 |