static mxml_node_t * /* O - New node */
mxml_new(mxml_node_t *parent, /* I - Parent node */
mxml_type_t type) /* I - Node type */
{
mxml_node_t *node; /* New node */
#if DEBUG > 1
fprintf(stderr, "mxml_new(parent=%p, type=%d)\n", parent, type);
#endif /* DEBUG > 1 */
/*
* Allocate memory for the node...
*/
if ((node = PhAllocateExSafe(sizeof(mxml_node_t), HEAP_ZERO_MEMORY)) == NULL)
{
#if DEBUG > 1
fputs(" returning NULL\n", stderr);
#endif /* DEBUG > 1 */
return (NULL);
}
#if DEBUG > 1
fprintf(stderr, " returning %p\n", node);
#endif /* DEBUG > 1 */
/*
* Set the node type...
*/
node->type = type;
node->ref_count = 1;
/*
* Add to the parent if present...
*/
if (parent)
mxmlAdd(parent, MXML_ADD_AFTER, MXML_ADD_TO_PARENT, node);
/*
* Return the new node...
*/
return (node);
}
char * /* O - New string pointer */
_mxml_vstrdupf(const char *format, /* I - Printf-style format string */
va_list ap) /* I - Pointer to additional arguments */
{
int bytes; /* Number of bytes required */
char *buffer, /* String buffer */
temp[256]; /* Small buffer for first vsnprintf */
/*
* First format with a tiny buffer; this will tell us how many bytes are
* needed...
*/
bytes = _vsnprintf(temp, sizeof(temp), format, ap);
if (bytes < sizeof(temp))
{
/*
* Hey, the formatted string fits in the tiny buffer, so just dup that...
*/
return (PhDuplicateBytesZSafe(temp));
}
/*
* Allocate memory for the whole thing and reformat to the new, larger
* buffer...
*/
if ((buffer = PhAllocateExSafe(bytes + 1, HEAP_ZERO_MEMORY)) != NULL)
_vsnprintf(buffer, bytes + 1, format, ap);
/*
* Return the new string...
*/
return (buffer);
}
mxml_index_t * /* O - New index */
mxmlIndexNew(mxml_node_t *node, /* I - XML node tree */
const char *element, /* I - Element to index or @code NULL@ for all */
const char *attr) /* I - Attribute to index or @code NULL@ for none */
{
mxml_index_t *ind; /* New index */
mxml_node_t *current, /* Current node in index */
**temp; /* Temporary node pointer array */
/*
* Range check input...
*/
#ifdef DEBUG
printf("mxmlIndexNew(node=%p, element=\"%s\", attr=\"%s\")\n",
node, element ? element : "(null)", attr ? attr : "(null)");
#endif /* DEBUG */
if (!node)
return (NULL);
/*
* Create a new index...
*/
if ((ind = PhAllocateExSafe(sizeof(mxml_index_t), HEAP_ZERO_MEMORY)) == NULL)
{
mxml_error("Unable to allocate %d bytes for index - %s",
sizeof(mxml_index_t), strerror(errno));
return (NULL);
}
if (attr)
ind->attr = PhDuplicateBytesZSafe((char *)attr);
if (!element && !attr)
current = node;
else
current = mxmlFindElement(node, node, element, attr, NULL, MXML_DESCEND);
while (current)
{
if (ind->num_nodes >= ind->alloc_nodes)
{
if (!ind->alloc_nodes)
temp = PhAllocateSafe(64 * sizeof(mxml_node_t *));
else
temp = PhReAllocateSafe(ind->nodes, (ind->alloc_nodes + 64) * sizeof(mxml_node_t *));
if (!temp)
{
/*
* Unable to allocate memory for the index, so abort...
*/
mxml_error("Unable to allocate %d bytes for index: %s",
(ind->alloc_nodes + 64) * sizeof(mxml_node_t *),
strerror(errno));
mxmlIndexDelete(ind);
return (NULL);
}
ind->nodes = temp;
ind->alloc_nodes += 64;
}
ind->nodes[ind->num_nodes ++] = current;
current = mxmlFindElement(current, node, element, attr, NULL, MXML_DESCEND);
}
/*
* Sort nodes based upon the search criteria...
*/
#ifdef DEBUG
{
int i; /* Looping var */
printf("%d node(s) in index.\n\n", ind->num_nodes);
if (attr)
{
printf("Node Address Element %s\n", attr);
puts("-------- -------- -------------- ------------------------------");
for (i = 0; i < ind->num_nodes; i ++)
printf("%8d %-8p %-14.14s %s\n", i, ind->nodes[i],
ind->nodes[i]->value.element.name,
mxmlElementGetAttr(ind->nodes[i], attr));
}
else
{
puts("Node Address Element");
puts("-------- -------- --------------");
for (i = 0; i < ind->num_nodes; i ++)
printf("%8d %-8p %s\n", i, ind->nodes[i],
ind->nodes[i]->value.element.name);
}
putchar('\n');
}
#endif /* DEBUG */
if (ind->num_nodes > 1)
index_sort(ind, 0, ind->num_nodes - 1);
#ifdef DEBUG
{
int i; /* Looping var */
puts("After sorting:\n");
if (attr)
{
printf("Node Address Element %s\n", attr);
puts("-------- -------- -------------- ------------------------------");
for (i = 0; i < ind->num_nodes; i ++)
printf("%8d %-8p %-14.14s %s\n", i, ind->nodes[i],
ind->nodes[i]->value.element.name,
mxmlElementGetAttr(ind->nodes[i], attr));
}
else
{
puts("Node Address Element");
puts("-------- -------- --------------");
for (i = 0; i < ind->num_nodes; i ++)
printf("%8d %-8p %s\n", i, ind->nodes[i],
ind->nodes[i]->value.element.name);
}
putchar('\n');
}
#endif /* DEBUG */
/*
* Return the new index...
*/
return (ind);
}
