You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
3.2 KiB
151 lines
3.2 KiB
/*
|
|
* "$Id: mxml-attr.c,v 1.1 2003/06/03 19:46:30 mike Exp $"
|
|
*
|
|
* Attribute support code for mini-XML, a small XML-like file parsing library.
|
|
*
|
|
* Copyright 2003 by Michael Sweet.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* Contents:
|
|
*
|
|
* mxmlElementGetAttr() - Get an attribute.
|
|
* mxmlElementSetAttr() - Set an attribute.
|
|
*/
|
|
|
|
/*
|
|
* Include necessary headers...
|
|
*/
|
|
|
|
#include "mxml.h"
|
|
|
|
|
|
/*
|
|
* 'mxmlElementGetAttr()' - Get an attribute.
|
|
*/
|
|
|
|
const char * /* O - Attribute value or NULL */
|
|
mxmlElementGetAttr(mxml_node_t *node, /* I - Element node */
|
|
const char *name) /* I - Name of attribute */
|
|
{
|
|
int i; /* Looping var */
|
|
mxml_attr_t *attr; /* Cirrent attribute */
|
|
|
|
|
|
/*
|
|
* Range check input...
|
|
*/
|
|
|
|
if (!node || node->type != MXML_ELEMENT || !name)
|
|
return (NULL);
|
|
|
|
/*
|
|
* Look for the attribute...
|
|
*/
|
|
|
|
for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
|
|
i > 0;
|
|
i --, attr ++)
|
|
if (!strcmp(attr->name, name))
|
|
return (attr->value);
|
|
|
|
/*
|
|
* Didn't find attribute, so return NULL...
|
|
*/
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* 'mxmlElementSetAttr()' - Set an attribute.
|
|
*/
|
|
|
|
void
|
|
mxmlElementSetAttr(mxml_node_t *node, /* I - Element node */
|
|
const char *name, /* I - Name of attribute */
|
|
const char *value) /* I - Attribute value */
|
|
{
|
|
int i; /* Looping var */
|
|
mxml_attr_t *attr; /* New attribute */
|
|
|
|
|
|
/*
|
|
* Range check input...
|
|
*/
|
|
|
|
if (!node || node->type != MXML_ELEMENT || !name || !value)
|
|
return;
|
|
|
|
/*
|
|
* Look for the attribute...
|
|
*/
|
|
|
|
for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
|
|
i > 0;
|
|
i --, attr ++)
|
|
if (!strcmp(attr->name, name))
|
|
{
|
|
/*
|
|
* Replace the attribute value and return...
|
|
*/
|
|
|
|
free(attr->value);
|
|
|
|
attr->value = strdup(value);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Attribute not found, so add a new one...
|
|
*/
|
|
|
|
if (node->value.element.num_attrs == 0)
|
|
attr = malloc(sizeof(mxml_attr_t));
|
|
else
|
|
attr = realloc(node->value.element.attrs,
|
|
(node->value.element.num_attrs + 1) * sizeof(mxml_attr_t));
|
|
|
|
if (!attr)
|
|
{
|
|
fprintf(stderr, "Unable to allocate memory for attribute '%s' in element %s!\n",
|
|
name, node->value.element.name);
|
|
return;
|
|
}
|
|
|
|
node->value.element.attrs = attr;
|
|
attr += node->value.element.num_attrs;
|
|
|
|
attr->name = strdup(name);
|
|
attr->value = strdup(value);
|
|
|
|
if (!attr->name || !attr->value)
|
|
{
|
|
if (attr->name)
|
|
free(attr->name);
|
|
|
|
if (attr->value)
|
|
free(attr->value);
|
|
|
|
fprintf(stderr, "Unable to allocate memory for attribute '%s' in element %s!\n",
|
|
name, node->value.element.name);
|
|
|
|
return;
|
|
}
|
|
|
|
node->value.element.num_attrs ++;
|
|
}
|
|
|
|
|
|
/*
|
|
* End of "$Id: mxml-attr.c,v 1.1 2003/06/03 19:46:30 mike Exp $".
|
|
*/
|
|
|