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/*
* Summary: chained hash tables
* description: this module implement the hash table support used in
* various place in the library.
*
* Copy: See Copyright for the status of this software.
*
* Author: Bjorn Reese <bjorn.reese@systematic.dk>
*/
#ifndef __XML_HASH_H__
#define __XML_HASH_H__
#ifdef __cplusplus
extern "C" {
#endif
/*
* The hash table.
*/
typedef struct _xmlHashTable xmlHashTable;
typedef xmlHashTable *xmlHashTablePtr;
#ifdef __cplusplus
}
#endif
#include <libxml/xmlversion.h>
#include <libxml/parser.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* function types:
*/
/**
* xmlHashDeallocator:
* @payload: the data in the hash
* @name: the name associated
*
* Callback to free data from a hash.
*/
typedef void (*xmlHashDeallocator)(void *payload, xmlChar *name);
/**
* xmlHashCopier:
* @payload: the data in the hash
* @name: the name associated
*
* Callback to copy data from a hash.
*
* Returns a copy of the data or NULL in case of error.
*/
typedef void *(*xmlHashCopier)(void *payload, xmlChar *name);
/**
* xmlHashScanner:
* @payload: the data in the hash
* @data: extra scannner data
* @name: the name associated
*
* Callback when scanning data in a hash with the simple scanner.
*/
typedef void (*xmlHashScanner)(void *payload, void *data, xmlChar *name);
/**
* xmlHashScannerFull:
* @payload: the data in the hash
* @data: extra scannner data
* @name: the name associated
* @name2: the second name associated
* @name3: the third name associated
*
* Callback when scanning data in a hash with the full scanner.
*/
typedef void (*xmlHashScannerFull)(void *payload, void *data,
const xmlChar *name, const xmlChar *name2,
const xmlChar *name3);
/*
* Constructor and destructor.
*/
XMLPUBFUN xmlHashTablePtr XMLCALL
xmlHashCreate (int size);
XMLPUBFUN void XMLCALL
xmlHashFree (xmlHashTablePtr table,
xmlHashDeallocator f);
/*
* Add a new entry to the hash table.
*/
XMLPUBFUN int XMLCALL
xmlHashAddEntry (xmlHashTablePtr table,
const xmlChar *name,
void *userdata);
XMLPUBFUN int XMLCALL
xmlHashUpdateEntry(xmlHashTablePtr table,
const xmlChar *name,
void *userdata,
xmlHashDeallocator f);
XMLPUBFUN int XMLCALL
xmlHashAddEntry2(xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
void *userdata);
XMLPUBFUN int XMLCALL
xmlHashUpdateEntry2(xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
void *userdata,
xmlHashDeallocator f);
XMLPUBFUN int XMLCALL
xmlHashAddEntry3(xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
const xmlChar *name3,
void *userdata);
XMLPUBFUN int XMLCALL
xmlHashUpdateEntry3(xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
const xmlChar *name3,
void *userdata,
xmlHashDeallocator f);
/*
* Remove an entry from the hash table.
*/
XMLPUBFUN int XMLCALL
xmlHashRemoveEntry(xmlHashTablePtr table, const xmlChar *name,
xmlHashDeallocator f);
XMLPUBFUN int XMLCALL
xmlHashRemoveEntry2(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, xmlHashDeallocator f);
XMLPUBFUN int XMLCALL
xmlHashRemoveEntry3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3,
xmlHashDeallocator f);
/*
* Retrieve the userdata.
*/
XMLPUBFUN void * XMLCALL
xmlHashLookup (xmlHashTablePtr table,
const xmlChar *name);
XMLPUBFUN void * XMLCALL
xmlHashLookup2 (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2);
XMLPUBFUN void * XMLCALL
xmlHashLookup3 (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
const xmlChar *name3);
XMLPUBFUN void * XMLCALL
xmlHashQLookup (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *prefix);
XMLPUBFUN void * XMLCALL
xmlHashQLookup2 (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *prefix,
const xmlChar *name2,
const xmlChar *prefix2);
XMLPUBFUN void * XMLCALL
xmlHashQLookup3 (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *prefix,
const xmlChar *name2,
const xmlChar *prefix2,
const xmlChar *name3,
const xmlChar *prefix3);
/*
* Helpers.
*/
XMLPUBFUN xmlHashTablePtr XMLCALL
xmlHashCopy (xmlHashTablePtr table,
xmlHashCopier f);
XMLPUBFUN int XMLCALL
xmlHashSize (xmlHashTablePtr table);
XMLPUBFUN void XMLCALL
xmlHashScan (xmlHashTablePtr table,
xmlHashScanner f,
void *data);
XMLPUBFUN void XMLCALL
xmlHashScan3 (xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
const xmlChar *name3,
xmlHashScanner f,
void *data);
XMLPUBFUN void XMLCALL
xmlHashScanFull (xmlHashTablePtr table,
xmlHashScannerFull f,
void *data);
XMLPUBFUN void XMLCALL
xmlHashScanFull3(xmlHashTablePtr table,
const xmlChar *name,
const xmlChar *name2,
const xmlChar *name3,
xmlHashScannerFull f,
void *data);
#ifdef __cplusplus
}
#endif
#endif /* ! __XML_HASH_H__ */
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