Click here to Skip to main content
15,886,362 members
Articles / Web Development / HTML

Logician: A Table-based Rules Engine Suite in C++/.NET/JavaScript using XML

Rate me:
Please Sign up or sign in to vote.
4.90/5 (52 votes)
8 Mar 2017GPL314 min read 104.2K   6.8K   173  
Overview of a cross-platform spreadsheet-based rules enigne with algorithms implemented in C++ and JavaScript, and wrappers to C#/.NET/WinRT
/**
 * Summary: interfaces to the Catalog handling system
 * Description: the catalog module implements the support for
 * XML Catalogs and SGML catalogs
 *
 * SGML Open Technical Resolution TR9401:1997.
 * http://www.jclark.com/sp/catalog.htm
 *
 * XML Catalogs Working Draft 06 August 2001
 * http://www.oasis-open.org/committees/entity/spec-2001-08-06.html
 *
 * Copy: See Copyright for the status of this software.
 *
 * Author: Daniel Veillard
 */

#ifndef __XML_CATALOG_H__
#define __XML_CATALOG_H__

#include <stdio.h>

#include <libxml/xmlversion.h>
#include <libxml/xmlstring.h>
#include <libxml/tree.h>

#ifdef LIBXML_CATALOG_ENABLED

#ifdef __cplusplus
extern "C" {
#endif

/**
 * XML_CATALOGS_NAMESPACE:
 *
 * The namespace for the XML Catalogs elements.
 */
#define XML_CATALOGS_NAMESPACE					\
    (const xmlChar *) "urn:oasis:names:tc:entity:xmlns:xml:catalog"
/**
 * XML_CATALOG_PI:
 *
 * The specific XML Catalog Processing Instuction name.
 */
#define XML_CATALOG_PI						\
    (const xmlChar *) "oasis-xml-catalog"

/*
 * The API is voluntarily limited to general cataloging.
 */
typedef enum {
    XML_CATA_PREFER_NONE = 0,
    XML_CATA_PREFER_PUBLIC = 1,
    XML_CATA_PREFER_SYSTEM
} xmlCatalogPrefer;

typedef enum {
    XML_CATA_ALLOW_NONE = 0,
    XML_CATA_ALLOW_GLOBAL = 1,
    XML_CATA_ALLOW_DOCUMENT = 2,
    XML_CATA_ALLOW_ALL = 3
} xmlCatalogAllow;

typedef struct _xmlCatalog xmlCatalog;
typedef xmlCatalog *xmlCatalogPtr;

/*
 * Operations on a given catalog.
 */
XMLPUBFUN xmlCatalogPtr XMLCALL
		xmlNewCatalog		(int sgml);
XMLPUBFUN xmlCatalogPtr XMLCALL	
		xmlLoadACatalog		(const char *filename);
XMLPUBFUN xmlCatalogPtr XMLCALL	
		xmlLoadSGMLSuperCatalog	(const char *filename);
XMLPUBFUN int XMLCALL		
		xmlConvertSGMLCatalog	(xmlCatalogPtr catal);
XMLPUBFUN int XMLCALL		
		xmlACatalogAdd		(xmlCatalogPtr catal,
					 const xmlChar *type,
					 const xmlChar *orig,
					 const xmlChar *replace);
XMLPUBFUN int XMLCALL		
		xmlACatalogRemove	(xmlCatalogPtr catal,
					 const xmlChar *value);
XMLPUBFUN xmlChar * XMLCALL	
		xmlACatalogResolve	(xmlCatalogPtr catal,
					 const xmlChar *pubID,
	                                 const xmlChar *sysID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlACatalogResolveSystem(xmlCatalogPtr catal,
					 const xmlChar *sysID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlACatalogResolvePublic(xmlCatalogPtr catal,
					 const xmlChar *pubID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlACatalogResolveURI	(xmlCatalogPtr catal,
					 const xmlChar *URI);
#ifdef LIBXML_OUTPUT_ENABLED
XMLPUBFUN void XMLCALL		
		xmlACatalogDump		(xmlCatalogPtr catal,
					 FILE *out);
#endif /* LIBXML_OUTPUT_ENABLED */
XMLPUBFUN void XMLCALL		
		xmlFreeCatalog		(xmlCatalogPtr catal);
XMLPUBFUN int XMLCALL		
		xmlCatalogIsEmpty	(xmlCatalogPtr catal);

/*
 * Global operations.
 */
XMLPUBFUN void XMLCALL		
		xmlInitializeCatalog	(void);
XMLPUBFUN int XMLCALL		
		xmlLoadCatalog		(const char *filename);
XMLPUBFUN void XMLCALL		
		xmlLoadCatalogs		(const char *paths);
XMLPUBFUN void XMLCALL		
		xmlCatalogCleanup	(void);
#ifdef LIBXML_OUTPUT_ENABLED
XMLPUBFUN void XMLCALL		
		xmlCatalogDump		(FILE *out);
#endif /* LIBXML_OUTPUT_ENABLED */
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogResolve	(const xmlChar *pubID,
	                                 const xmlChar *sysID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogResolveSystem	(const xmlChar *sysID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogResolvePublic	(const xmlChar *pubID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogResolveURI	(const xmlChar *URI);
XMLPUBFUN int XMLCALL		
		xmlCatalogAdd		(const xmlChar *type,
					 const xmlChar *orig,
					 const xmlChar *replace);
XMLPUBFUN int XMLCALL		
		xmlCatalogRemove	(const xmlChar *value);
XMLPUBFUN xmlDocPtr XMLCALL	
		xmlParseCatalogFile	(const char *filename);
XMLPUBFUN int XMLCALL		
		xmlCatalogConvert	(void);

/*
 * Strictly minimal interfaces for per-document catalogs used
 * by the parser.
 */
XMLPUBFUN void XMLCALL		
		xmlCatalogFreeLocal	(void *catalogs);
XMLPUBFUN void * XMLCALL		
		xmlCatalogAddLocal	(void *catalogs,
					 const xmlChar *URL);
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogLocalResolve	(void *catalogs,
					 const xmlChar *pubID,
	                                 const xmlChar *sysID);
XMLPUBFUN xmlChar * XMLCALL	
		xmlCatalogLocalResolveURI(void *catalogs,
					 const xmlChar *URI);
/*
 * Preference settings.
 */
XMLPUBFUN int XMLCALL		
		xmlCatalogSetDebug	(int level);
XMLPUBFUN xmlCatalogPrefer XMLCALL 
		xmlCatalogSetDefaultPrefer(xmlCatalogPrefer prefer);
XMLPUBFUN void XMLCALL		
		xmlCatalogSetDefaults	(xmlCatalogAllow allow);
XMLPUBFUN xmlCatalogAllow XMLCALL	
		xmlCatalogGetDefaults	(void);


/* DEPRECATED interfaces */
XMLPUBFUN const xmlChar * XMLCALL	
		xmlCatalogGetSystem	(const xmlChar *sysID);
XMLPUBFUN const xmlChar * XMLCALL	
		xmlCatalogGetPublic	(const xmlChar *pubID);

#ifdef __cplusplus
}
#endif
#endif /* LIBXML_CATALOG_ENABLED */
#endif /* __XML_CATALOG_H__ */

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)


Written By
Software Developer (Senior)
United States United States
I have extensive experience developing software on both Linux and Windows in C++ and Python. I have also done a lot of work in the C#/.NET ecosystem. I currently work in the fields of robotics and machine learning, and also have a strong background in business automation/rules engines.

Comments and Discussions