📄 hash.c
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(xmlStrEqual(insert->name2, name2)) &&
(xmlStrEqual(insert->name3, name3)))
return(-1);
len++;
}
if ((xmlStrEqual(insert->name, name)) &&
(xmlStrEqual(insert->name2, name2)) &&
(xmlStrEqual(insert->name3, name3)))
return(-1);
}
}
if (insert == NULL) {
entry = &(table->table[key]);
} else {
entry = xmlMalloc(sizeof(xmlHashEntry));
if (entry == NULL)
return(-1);
}
if (table->dict != NULL) {
entry->name = (xmlChar *) name;
entry->name2 = (xmlChar *) name2;
entry->name3 = (xmlChar *) name3;
} else {
entry->name = xmlStrdup(name);
entry->name2 = xmlStrdup(name2);
entry->name3 = xmlStrdup(name3);
}
entry->payload = userdata;
entry->next = NULL;
entry->valid = 1;
if (insert != NULL)
insert->next = entry;
table->nbElems++;
if (len > MAX_HASH_LEN)
xmlHashGrow(table, MAX_HASH_LEN * table->size);
return(0);
}
/**
* xmlHashUpdateEntry3:
* @table: the hash table
* @name: the name of the userdata
* @name2: a second name of the userdata
* @name3: a third name of the userdata
* @userdata: a pointer to the userdata
* @f: the deallocator function for replaced item (if any)
*
* Add the @userdata to the hash @table. This can later be retrieved
* by using the tuple (@name, @name2, @name3). Existing entry for this tuple
* will be removed and freed with @f if found.
*
* Returns 0 the addition succeeded and -1 in case of error.
*/
int
xmlHashUpdateEntry3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3,
void *userdata, xmlHashDeallocator f) {
unsigned long key;
xmlHashEntryPtr entry;
xmlHashEntryPtr insert;
if ((table == NULL) || name == NULL)
return(-1);
/*
* If using a dict internalize if needed
*/
if (table->dict) {
if (!xmlDictOwns(table->dict, name)) {
name = xmlDictLookup(table->dict, name, -1);
if (name == NULL)
return(-1);
}
if ((name2 != NULL) && (!xmlDictOwns(table->dict, name2))) {
name2 = xmlDictLookup(table->dict, name2, -1);
if (name2 == NULL)
return(-1);
}
if ((name3 != NULL) && (!xmlDictOwns(table->dict, name3))) {
name3 = xmlDictLookup(table->dict, name3, -1);
if (name3 == NULL)
return(-1);
}
}
/*
* Check for duplicate and insertion location.
*/
key = xmlHashComputeKey(table, name, name2, name3);
if (table->table[key].valid == 0) {
insert = NULL;
} else {
if (table ->dict) {
for (insert = &(table->table[key]); insert->next != NULL;
insert = insert->next) {
if ((insert->name == name) &&
(insert->name2 == name2) &&
(insert->name3 == name3)) {
if (f)
f(insert->payload, insert->name);
insert->payload = userdata;
return(0);
}
}
if ((insert->name == name) &&
(insert->name2 == name2) &&
(insert->name3 == name3)) {
if (f)
f(insert->payload, insert->name);
insert->payload = userdata;
return(0);
}
} else {
for (insert = &(table->table[key]); insert->next != NULL;
insert = insert->next) {
if ((xmlStrEqual(insert->name, name)) &&
(xmlStrEqual(insert->name2, name2)) &&
(xmlStrEqual(insert->name3, name3))) {
if (f)
f(insert->payload, insert->name);
insert->payload = userdata;
return(0);
}
}
if ((xmlStrEqual(insert->name, name)) &&
(xmlStrEqual(insert->name2, name2)) &&
(xmlStrEqual(insert->name3, name3))) {
if (f)
f(insert->payload, insert->name);
insert->payload = userdata;
return(0);
}
}
}
if (insert == NULL) {
entry = &(table->table[key]);
} else {
entry = xmlMalloc(sizeof(xmlHashEntry));
if (entry == NULL)
return(-1);
}
if (table->dict != NULL) {
entry->name = (xmlChar *) name;
entry->name2 = (xmlChar *) name2;
entry->name3 = (xmlChar *) name3;
} else {
entry->name = xmlStrdup(name);
entry->name2 = xmlStrdup(name2);
entry->name3 = xmlStrdup(name3);
}
entry->payload = userdata;
entry->next = NULL;
entry->valid = 1;
table->nbElems++;
if (insert != NULL) {
insert->next = entry;
}
return(0);
}
/**
* xmlHashLookup3:
* @table: the hash table
* @name: the name of the userdata
* @name2: a second name of the userdata
* @name3: a third name of the userdata
*
* Find the userdata specified by the (@name, @name2, @name3) tuple.
*
* Returns the a pointer to the userdata
*/
void *
xmlHashLookup3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3) {
unsigned long key;
xmlHashEntryPtr entry;
if (table == NULL)
return(NULL);
if (name == NULL)
return(NULL);
key = xmlHashComputeKey(table, name, name2, name3);
if (table->table[key].valid == 0)
return(NULL);
if (table->dict) {
for (entry = &(table->table[key]); entry != NULL; entry = entry->next) {
if ((entry->name == name) &&
(entry->name2 == name2) &&
(entry->name3 == name3))
return(entry->payload);
}
}
for (entry = &(table->table[key]); entry != NULL; entry = entry->next) {
if ((xmlStrEqual(entry->name, name)) &&
(xmlStrEqual(entry->name2, name2)) &&
(xmlStrEqual(entry->name3, name3)))
return(entry->payload);
}
return(NULL);
}
/**
* xmlHashQLookup3:
* @table: the hash table
* @prefix: the prefix of the userdata
* @name: the name of the userdata
* @prefix2: the second prefix of the userdata
* @name2: a second name of the userdata
* @prefix3: the third prefix of the userdata
* @name3: a third name of the userdata
*
* Find the userdata specified by the (@name, @name2, @name3) tuple.
*
* Returns the a pointer to the userdata
*/
void *
xmlHashQLookup3(xmlHashTablePtr table,
const xmlChar *prefix, const xmlChar *name,
const xmlChar *prefix2, const xmlChar *name2,
const xmlChar *prefix3, const xmlChar *name3) {
unsigned long key;
xmlHashEntryPtr entry;
if (table == NULL)
return(NULL);
if (name == NULL)
return(NULL);
key = xmlHashComputeQKey(table, prefix, name, prefix2,
name2, prefix3, name3);
if (table->table[key].valid == 0)
return(NULL);
for (entry = &(table->table[key]); entry != NULL; entry = entry->next) {
if ((xmlStrQEqual(prefix, name, entry->name)) &&
(xmlStrQEqual(prefix2, name2, entry->name2)) &&
(xmlStrQEqual(prefix3, name3, entry->name3)))
return(entry->payload);
}
return(NULL);
}
typedef struct {
xmlHashScanner hashscanner;
void *data;
} stubData;
static void
stubHashScannerFull (void *payload, void *data, const xmlChar *name,
const xmlChar *name2 ATTRIBUTE_UNUSED,
const xmlChar *name3 ATTRIBUTE_UNUSED) {
stubData *stubdata = (stubData *) data;
stubdata->hashscanner (payload, stubdata->data, (xmlChar *) name);
}
/**
* xmlHashScan:
* @table: the hash table
* @f: the scanner function for items in the hash
* @data: extra data passed to f
*
* Scan the hash @table and applied @f to each value.
*/
void
xmlHashScan(xmlHashTablePtr table, xmlHashScanner f, void *data) {
stubData stubdata;
stubdata.data = data;
stubdata.hashscanner = f;
xmlHashScanFull (table, stubHashScannerFull, &stubdata);
}
/**
* xmlHashScanFull:
* @table: the hash table
* @f: the scanner function for items in the hash
* @data: extra data passed to f
*
* Scan the hash @table and applied @f to each value.
*/
void
xmlHashScanFull(xmlHashTablePtr table, xmlHashScannerFull f, void *data) {
int i;
xmlHashEntryPtr iter;
xmlHashEntryPtr next;
if (table == NULL)
return;
if (f == NULL)
return;
if (table->table) {
for(i = 0; i < table->size; i++) {
if (table->table[i].valid == 0)
continue;
iter = &(table->table[i]);
while (iter) {
next = iter->next;
if ((f != NULL) && (iter->payload != NULL))
f(iter->payload, data, iter->name,
iter->name2, iter->name3);
iter = next;
}
}
}
}
/**
* xmlHashScan3:
* @table: the hash table
* @name: the name of the userdata or NULL
* @name2: a second name of the userdata or NULL
* @name3: a third name of the userdata or NULL
* @f: the scanner function for items in the hash
* @data: extra data passed to f
*
* Scan the hash @table and applied @f to each value matching
* (@name, @name2, @name3) tuple. If one of the names is null,
* the comparison is considered to match.
*/
void
xmlHashScan3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3,
xmlHashScanner f, void *data) {
xmlHashScanFull3 (table, name, name2, name3,
(xmlHashScannerFull) f, data);
}
/**
* xmlHashScanFull3:
* @table: the hash table
* @name: the name of the userdata or NULL
* @name2: a second name of the userdata or NULL
* @name3: a third name of the userdata or NULL
* @f: the scanner function for items in the hash
* @data: extra data passed to f
*
* Scan the hash @table and applied @f to each value matching
* (@name, @name2, @name3) tuple. If one of the names is null,
* the comparison is considered to match.
*/
void
xmlHashScanFull3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3,
xmlHashScannerFull f, void *data) {
int i;
xmlHashEntryPtr iter;
xmlHashEntryPtr next;
if (table == NULL)
return;
if (f == NULL)
return;
if (table->table) {
for(i = 0; i < table->size; i++) {
if (table->table[i].valid == 0)
continue;
iter = &(table->table[i]);
while (iter) {
next = iter->next;
if (((name == NULL) || (xmlStrEqual(name, iter->name))) &&
((name2 == NULL) || (xmlStrEqual(name2, iter->name2))) &&
((name3 == NULL) || (xmlStrEqual(name3, iter->name3))) &&
(iter->payload != NULL)) {
f(iter->payload, data, iter->name,
iter->name2, iter->name3);
}
iter = next;
}
}
}
}
/**
* xmlHashCopy:
* @table: the hash table
* @f: the copier function for items in the hash
*
* Scan the hash @table and applied @f to each value.
*
* Returns the new table or NULL in case of error.
*/
xmlHashTablePtr
xmlHashCopy(xmlHashTablePtr table, xmlHashCopier f) {
int i;
xmlHashEntryPtr iter;
xmlHashEntryPtr next;
xmlHashTablePtr ret;
if (table == NULL)
return(NULL);
if (f == NULL)
return(NULL);
ret = xmlHashCreate(table->size);
if (table->table) {
for(i = 0; i < table->size; i++) {
if (table->table[i].valid == 0)
continue;
iter = &(table->table[i]);
while (iter) {
next = iter->next;
xmlHashAddEntry3(ret, iter->name, iter->name2,
iter->name3, f(iter->payload, iter->name));
iter = next;
}
}
}
ret->nbElems = table->nbElems;
return(ret);
}
/**
* xmlHashSize:
* @table: the hash table
*
* Query the number of elements installed in the hash @table.
*
* Returns the number of elements in the hash table or
* -1 in case of error
*/
int
xmlHashSize(xmlHashTablePtr table) {
if (table == NULL)
return(-1);
return(table->nbElems);
}
/**
* xmlHashRemoveEntry:
* @table: the hash table
* @name: the name of the userdata
* @f: the deallocator function for removed item (if any)
*
* Find the userdata specified by the @name and remove
* it from the hash @table. Existing userdata for this tuple will be removed
* and freed with @f.
*
* Returns 0 if the removal succeeded and -1 in case of error or not found.
*/
int xmlHashRemoveEntry(xmlHashTablePtr table, const xmlChar *name,
xmlHashDeallocator f) {
return(xmlHashRemoveEntry3(table, name, NULL, NULL, f));
}
/**
* xmlHashRemoveEntry2:
* @table: the hash table
* @name: the name of the userdata
* @name2: a second name of the userdata
* @f: the deallocator function for removed item (if any)
*
* Find the userdata specified by the (@name, @name2) tuple and remove
* it from the hash @table. Existing userdata for this tuple will be removed
* and freed with @f.
*
* Returns 0 if the removal succeeded and -1 in case of error or not found.
*/
int
xmlHashRemoveEntry2(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, xmlHashDeallocator f) {
return(xmlHashRemoveEntry3(table, name, name2, NULL, f));
}
/**
* xmlHashRemoveEntry3:
* @table: the hash table
* @name: the name of the userdata
* @name2: a second name of the userdata
* @name3: a third name of the userdata
* @f: the deallocator function for removed item (if any)
*
* Find the userdata specified by the (@name, @name2, @name3) tuple and remove
* it from the hash @table. Existing userdata for this tuple will be removed
* and freed with @f.
*
* Returns 0 if the removal succeeded and -1 in case of error or not found.
*/
int
xmlHashRemoveEntry3(xmlHashTablePtr table, const xmlChar *name,
const xmlChar *name2, const xmlChar *name3, xmlHashDeallocator f) {
unsigned long key;
xmlHashEntryPtr entry;
xmlHashEntryPtr prev = NULL;
if (table == NULL || name == NULL)
return(-1);
key = xmlHashComputeKey(table, name, name2, name3);
if (table->table[key].valid == 0) {
return(-1);
} else {
for (entry = &(table->table[key]); entry != NULL; entry = entry->next) {
if (xmlStrEqual(entry->name, name) &&
xmlStrEqual(entry->name2, name2) &&
xmlStrEqual(entry->name3, name3)) {
if ((f != NULL) && (entry->payload != NULL))
f(entry->payload, entry->name);
entry->payload = NULL;
if (table->dict == NULL) {
if(entry->name)
xmlFree(entry->name);
if(entry->name2)
xmlFree(entry->name2);
if(entry->name3)
xmlFree(entry->name3);
}
if(prev) {
prev->next = entry->next;
xmlFree(entry);
} else {
if (entry->next == NULL) {
entry->valid = 0;
} else {
entry = entry->next;
memcpy(&(table->table[key]), entry, sizeof(xmlHashEntry));
xmlFree(entry);
}
}
table->nbElems--;
return(0);
}
prev = entry;
}
return(-1);
}
}
#define bottom_hash
#include "elfgcchack.h"
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