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- Added xpath_register_ns() function.

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@ - Added xpath_register_ns() function.
@   It makes possible to issue XPath queries with namespaces
@   like for example: "//namespace:sampletag" (Chris Jarecki)
This commit is contained in:
Chris Jarecki 2002-01-13 01:17:34 +00:00
parent 0c3d2275ff
commit 6536287267
2 changed files with 47 additions and 0 deletions
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45
ext/domxml/php_domxml.c
View File

@ -177,6 +177,7 @@ static zend_function_entry domxml_functions[] = {
PHP_FE(xpath_new_context, NULL)
PHP_FE(xpath_eval, NULL)
PHP_FE(xpath_eval_expression, NULL)
PHP_FE(xpath_register_ns, NULL)
#endif
#if defined(LIBXML_XPTR_ENABLED)
PHP_FE(xptr_new_context, NULL)
@ -336,6 +337,7 @@ static zend_function_entry php_domxmlpi_class_functions[] = {
static zend_function_entry php_xpathctx_class_functions[] = {
PHP_FALIAS(xpath_eval, xpath_eval, NULL)
PHP_FALIAS(xpath_eval_expression, xpath_eval_expression, NULL)
PHP_FALIAS(xpath_register_ns, xpath_register_ns, NULL)
{NULL, NULL, NULL}
};
@ -3030,6 +3032,49 @@ PHP_FUNCTION(xpath_eval_expression)
php_xpathptr_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPATH, 1);
}
/* }}} */
/* {{{ proto bool xpath_register_ns([int xpathctx_handle,] string namespace_prefix, string namespace_uri)
Registeres the given namespace in the passed XPath context */
PHP_FUNCTION(xpath_register_ns)
{
/*
TODO:
- make the namespace registration persistent - now it dissapears each time xpath_eval is called
- automagically register all namespaces when creating a new context
*/
int prefix_len, uri_len, result;
xmlXPathContextPtr ctxp;
char *prefix, *uri;
zval *id;
if (NULL == (id = getThis())) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "oss", &id, &prefix, &prefix_len, &uri, &uri_len) == FAILURE) {
return;
}
} else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &prefix, &prefix_len, &uri, &uri_len) == FAILURE) {
return;
}
}
ctxp = php_xpath_get_context(id, le_xpathctxp, 0 TSRMLS_CC);
if (!ctxp) {
php_error(E_WARNING, "%s(): cannot fetch XPATH context", get_active_function_name(TSRMLS_C));
RETURN_FALSE;
}
/* set the context node to NULL - what is a context node anyway? */
ctxp->node = NULL;
result = xmlXPathRegisterNs(ctxp, prefix, uri);
if (0 == result) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
#endif /* defined(LIBXML_XPATH_ENABLED) */
#if defined(LIBXML_XPTR_ENABLED)

2
ext/domxml/php_domxml.h
View File

@ -31,6 +31,7 @@
#endif
#if defined(LIBXML_XPATH_ENABLED)
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#endif
#if defined(LIBXML_XPTR_ENABLED)
#include <libxml/xpointer.h>
@ -155,6 +156,7 @@ PHP_FUNCTION(xpath_init);
PHP_FUNCTION(xpath_new_context);
PHP_FUNCTION(xpath_eval);
PHP_FUNCTION(xpath_eval_expression);
PHP_FUNCTION(xpath_register_ns);
#endif
#if defined(LIBXML_XPTR_ENABLED)
PHP_FUNCTION(xptr_new_context);