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/******************************************************************/
/* Declaration of XML document processing using libxml2 */
/* Author: Olivier Bertrand 2007-2012 */
/******************************************************************/
#include "plgxml.h"
typedef class LIBXMLDOC *PXDOC2;
typedef class XML2NODE *PNODE2;
typedef class XML2ATTR *PATTR2;
typedef class XML2NODELIST *PLIST2;
/******************************************************************/
/* XML2 block. Must have the same layout than FBLOCK up to Type. */
/******************************************************************/
typedef struct _x2block { /* Loaded XML file block */
struct _x2block *Next;
LPCSTR Fname; /* Point on file name */
size_t Length; /* Used to tell if read mode */
short Count; /* Nb of times file is used */
short Type; /* TYPE_FB_XML */
int Retcode; /* Return code from Load */
xmlDocPtr Docp; /* Document interface pointer */
// xmlXPathContextPtr Ctxp;
// xmlXPathObjectPtr Xop;
iconv_t Cd;
iconv_t Cd2;
} X2BLOCK, *PX2BLOCK;
/******************************************************************/
/* Declaration of libxml2 document. */
/******************************************************************/
class LIBXMLDOC : public XMLDOCUMENT {
friend class XML2NODE;
friend class XML2ATTR;
public:
// Constructor
LIBXMLDOC(char *nsl, char *nsdf, char *enc, PFBLOCK fp);
// Properties
virtual short GetDocType(void) {return TYPE_FB_XML2;}
virtual void *GetDocPtr(void) {return Docp;}
// Methods
virtual bool Initialize(PGLOBAL g);
virtual bool ParseFile(char *fn);
virtual bool NewDoc(PGLOBAL g, char *ver);
virtual void AddComment(PGLOBAL g, char *com);
virtual PXNODE GetRoot(PGLOBAL g);
virtual PXNODE NewRoot(PGLOBAL g, char *name);
virtual PXNODE NewPnode(PGLOBAL g, char *name);
virtual PXATTR NewPattr(PGLOBAL g);
virtual PXLIST NewPlist(PGLOBAL g);
virtual int DumpDoc(PGLOBAL g, char *ofn);
virtual void CloseDoc(PGLOBAL g, PFBLOCK xp);
virtual PFBLOCK LinkXblock(PGLOBAL g, MODE m, int rc, char *fn);
protected:
bool CheckDocument(FILE *of, xmlNodePtr np);
xmlNodeSetPtr GetNodeList(PGLOBAL g, xmlNodePtr np, char *xp);
int Decode(xmlChar *cnt, char *buf, int n);
xmlChar *Encode(PGLOBAL g, char *txt);
// Members
xmlDocPtr Docp;
xmlNodeSetPtr Nlist;
xmlXPathContextPtr Ctxp;
xmlXPathObjectPtr Xop;
iconv_t Cd;
iconv_t Cd2; // Temporary
char *Buf; // Temporary
}; // end of class LIBXMLDOC
/******************************************************************/
/* Declaration of libxml2 node. */
/******************************************************************/
class XML2NODE : public XMLNODE {
friend class LIBXMLDOC;
friend class XML2NODELIST;
public:
// Properties
virtual char *GetName(PGLOBAL g) {return (char*)Nodep->name;}
virtual int GetType(void);
virtual PXNODE GetNext(PGLOBAL g);
virtual PXNODE GetChild(PGLOBAL g);
// Methods
virtual char *GetText(char *buf, int len);
virtual bool SetContent(PGLOBAL g, char *txtp, int len);
virtual PXNODE Clone(PGLOBAL g, PXNODE np);
virtual PXLIST GetChildElements(PGLOBAL g, char *xp, PXLIST lp);
virtual PXLIST SelectNodes(PGLOBAL g, char *xp, PXLIST lp);
virtual PXNODE SelectSingleNode(PGLOBAL g, char *xp, PXNODE np);
virtual PXATTR GetAttribute(PGLOBAL g, char *name, PXATTR ap);
virtual PXNODE AddChildNode(PGLOBAL g, char *name, PXNODE np);
virtual PXATTR AddProperty(PGLOBAL g, char *name, PXATTR ap);
virtual void AddText(PGLOBAL g, char *txtp);
virtual void DeleteChild(PGLOBAL g, PXNODE dnp);
protected:
// Constructor
XML2NODE(PXDOC dp, xmlNodePtr np);
// Members
xmlDocPtr Docp;
xmlChar *Content;
xmlNodePtr Nodep;
}; // end of class XML2NODE
/******************************************************************/
/* Declaration of libxml2 node list. */
/******************************************************************/
class XML2NODELIST : public XMLNODELIST {
friend class LIBXMLDOC;
friend class XML2NODE;
public:
// Methods
virtual int GetLength(void);
virtual PXNODE GetItem(PGLOBAL g, int n, PXNODE np);
protected:
// Constructor
XML2NODELIST(PXDOC dp, xmlNodeSetPtr lp);
// Members
xmlNodeSetPtr Listp;
}; // end of class XML2NODELIST
/******************************************************************/
/* Declaration of libxml2 attribute. */
/******************************************************************/
class XML2ATTR : public XMLATTRIBUTE {
friend class LIBXMLDOC;
friend class XML2NODE;
public:
// Properties
//virtual char *GetText(void);
// Methods
virtual bool SetText(PGLOBAL g, char *txtp, int len);
protected:
// Constructor
XML2ATTR(PXDOC dp, xmlAttrPtr ap, xmlNodePtr np);
// Members
xmlAttrPtr Atrp;
xmlNodePtr Parent;
}; // end of class XML2ATTR
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