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hash.h
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00001 /* 00002 * Summary: Chained hash tables 00003 * Description: This module implements the hash table support used in 00004 * various places in the library. 00005 * 00006 * Copy: See Copyright for the status of this software. 00007 * 00008 * Author: Bjorn Reese <bjorn.reese@systematic.dk> 00009 */ 00010 00011 #ifndef __XML_HASH_H__ 00012 #define __XML_HASH_H__ 00013 00014 #ifdef __cplusplus 00015 extern "C" { 00016 #endif 00017 00018 /* 00019 * The hash table. 00020 */ 00021 typedef struct _xmlHashTable xmlHashTable; 00022 typedef xmlHashTable *xmlHashTablePtr; 00023 00024 #ifdef __cplusplus 00025 } 00026 #endif 00027 00028 #include <libxml/xmlversion.h> 00029 #include <libxml/parser.h> 00030 #include <libxml/dict.h> 00031 00032 #ifdef __cplusplus 00033 extern "C" { 00034 #endif 00035 00036 /* 00037 * Recent version of gcc produce a warning when a function pointer is assigned 00038 * to an object pointer, or vice versa. The following macro is a dirty hack 00039 * to allow suppression of the warning. If your architecture has function 00040 * pointers which are a different size than a void pointer, there may be some 00041 * serious trouble within the library. 00042 */ 00056 #define XML_CAST_FPTR(fptr) fptr 00057 00058 00059 /* 00060 * function types: 00061 */ 00069 typedef void (*xmlHashDeallocator)(void *payload, xmlChar *name); 00079 typedef void *(*xmlHashCopier)(void *payload, xmlChar *name); 00088 typedef void (*xmlHashScanner)(void *payload, void *data, xmlChar *name); 00099 typedef void (*xmlHashScannerFull)(void *payload, void *data, 00100 const xmlChar *name, const xmlChar *name2, 00101 const xmlChar *name3); 00102 00103 /* 00104 * Constructor and destructor. 00105 */ 00106 XMLPUBFUN xmlHashTablePtr XMLCALL 00107 xmlHashCreate (int size); 00108 XMLPUBFUN xmlHashTablePtr XMLCALL 00109 xmlHashCreateDict(int size, 00110 xmlDictPtr dict); 00111 XMLPUBFUN void XMLCALL 00112 xmlHashFree (xmlHashTablePtr table, 00113 xmlHashDeallocator f); 00114 00115 /* 00116 * Add a new entry to the hash table. 00117 */ 00118 XMLPUBFUN int XMLCALL 00119 xmlHashAddEntry (xmlHashTablePtr table, 00120 const xmlChar *name, 00121 void *userdata); 00122 XMLPUBFUN int XMLCALL 00123 xmlHashUpdateEntry(xmlHashTablePtr table, 00124 const xmlChar *name, 00125 void *userdata, 00126 xmlHashDeallocator f); 00127 XMLPUBFUN int XMLCALL 00128 xmlHashAddEntry2(xmlHashTablePtr table, 00129 const xmlChar *name, 00130 const xmlChar *name2, 00131 void *userdata); 00132 XMLPUBFUN int XMLCALL 00133 xmlHashUpdateEntry2(xmlHashTablePtr table, 00134 const xmlChar *name, 00135 const xmlChar *name2, 00136 void *userdata, 00137 xmlHashDeallocator f); 00138 XMLPUBFUN int XMLCALL 00139 xmlHashAddEntry3(xmlHashTablePtr table, 00140 const xmlChar *name, 00141 const xmlChar *name2, 00142 const xmlChar *name3, 00143 void *userdata); 00144 XMLPUBFUN int XMLCALL 00145 xmlHashUpdateEntry3(xmlHashTablePtr table, 00146 const xmlChar *name, 00147 const xmlChar *name2, 00148 const xmlChar *name3, 00149 void *userdata, 00150 xmlHashDeallocator f); 00151 00152 /* 00153 * Remove an entry from the hash table. 00154 */ 00155 XMLPUBFUN int XMLCALL 00156 xmlHashRemoveEntry(xmlHashTablePtr table, const xmlChar *name, 00157 xmlHashDeallocator f); 00158 XMLPUBFUN int XMLCALL 00159 xmlHashRemoveEntry2(xmlHashTablePtr table, const xmlChar *name, 00160 const xmlChar *name2, xmlHashDeallocator f); 00161 XMLPUBFUN int XMLCALL 00162 xmlHashRemoveEntry3(xmlHashTablePtr table, const xmlChar *name, 00163 const xmlChar *name2, const xmlChar *name3, 00164 xmlHashDeallocator f); 00165 00166 /* 00167 * Retrieve the userdata. 00168 */ 00169 XMLPUBFUN void * XMLCALL 00170 xmlHashLookup (xmlHashTablePtr table, 00171 const xmlChar *name); 00172 XMLPUBFUN void * XMLCALL 00173 xmlHashLookup2 (xmlHashTablePtr table, 00174 const xmlChar *name, 00175 const xmlChar *name2); 00176 XMLPUBFUN void * XMLCALL 00177 xmlHashLookup3 (xmlHashTablePtr table, 00178 const xmlChar *name, 00179 const xmlChar *name2, 00180 const xmlChar *name3); 00181 XMLPUBFUN void * XMLCALL 00182 xmlHashQLookup (xmlHashTablePtr table, 00183 const xmlChar *name, 00184 const xmlChar *prefix); 00185 XMLPUBFUN void * XMLCALL 00186 xmlHashQLookup2 (xmlHashTablePtr table, 00187 const xmlChar *name, 00188 const xmlChar *prefix, 00189 const xmlChar *name2, 00190 const xmlChar *prefix2); 00191 XMLPUBFUN void * XMLCALL 00192 xmlHashQLookup3 (xmlHashTablePtr table, 00193 const xmlChar *name, 00194 const xmlChar *prefix, 00195 const xmlChar *name2, 00196 const xmlChar *prefix2, 00197 const xmlChar *name3, 00198 const xmlChar *prefix3); 00199 00200 /* 00201 * Helpers. 00202 */ 00203 XMLPUBFUN xmlHashTablePtr XMLCALL 00204 xmlHashCopy (xmlHashTablePtr table, 00205 xmlHashCopier f); 00206 XMLPUBFUN int XMLCALL 00207 xmlHashSize (xmlHashTablePtr table); 00208 XMLPUBFUN void XMLCALL 00209 xmlHashScan (xmlHashTablePtr table, 00210 xmlHashScanner f, 00211 void *data); 00212 XMLPUBFUN void XMLCALL 00213 xmlHashScan3 (xmlHashTablePtr table, 00214 const xmlChar *name, 00215 const xmlChar *name2, 00216 const xmlChar *name3, 00217 xmlHashScanner f, 00218 void *data); 00219 XMLPUBFUN void XMLCALL 00220 xmlHashScanFull (xmlHashTablePtr table, 00221 xmlHashScannerFull f, 00222 void *data); 00223 XMLPUBFUN void XMLCALL 00224 xmlHashScanFull3(xmlHashTablePtr table, 00225 const xmlChar *name, 00226 const xmlChar *name2, 00227 const xmlChar *name3, 00228 xmlHashScannerFull f, 00229 void *data); 00230 #ifdef __cplusplus 00231 } 00232 #endif 00233 #endif /* ! __XML_HASH_H__ */
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