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- Started support for XPath/XPtr (completely untested)

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This commit is contained in:
Uwe Steinmann
2000-11-09 08:42:20 +00:00
parent ffc95d6125
commit d82bade81c
2 changed files with 294 additions and 1 deletions
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282
ext/domxml/php_domxml.c
View File

@@ -25,18 +25,24 @@
#if HAVE_DOMXML
#include "ext/standard/info.h"
/*#define newcode*/
#define PHP_XPATH 1
#define PHP_XPTR 2
static int le_domxmldocp;
static int le_domxmldtdp;
static int le_domxmlnodep;
static int le_domxmlattrp;
static int le_domxmlnsp;
static int le_xpathctxp;
static int le_xpathobjectp;
static zend_class_entry *domxmldoc_class_entry_ptr;
static zend_class_entry *domxmldtd_class_entry_ptr;
static zend_class_entry *domxmlnode_class_entry_ptr;
static zend_class_entry *domxmlattr_class_entry_ptr;
static zend_class_entry *domxmlns_class_entry_ptr;
static zend_class_entry *domxmltestnode_class_entry_ptr;
static zend_class_entry *xpathctx_class_entry_ptr;
static zend_class_entry *xpathobject_class_entry_ptr;
static int node_attributes(zval **attributes, xmlNode *nodep);
static int node_children(zval **children, xmlNode *nodep);
@@ -66,6 +72,8 @@ static zend_function_entry php_domxmldoc_class_functions[] = {
PHP_FALIAS(add_root, domxml_add_root, NULL)
PHP_FALIAS(dtd, domxml_intdtd, NULL)
PHP_FALIAS(dumpmem, domxml_dumpmem, NULL)
PHP_FALIAS(xpath_init, xpath_init, NULL)
PHP_FALIAS(xpath_new_context, xpath_new_context, NULL)
{NULL, NULL, NULL}
};
@@ -85,6 +93,14 @@ static zend_function_entry php_domxmlnode_class_functions[] = {
{NULL, NULL, NULL}
};
static zend_function_entry php_xpathctx_class_functions[] = {
{NULL, NULL, NULL}
};
static zend_function_entry php_xpathobject_class_functions[] = {
{NULL, NULL, NULL}
};
static zend_function_entry php_domxmltestnode_class_functions[] = {
PHP_FE(domxml_test, NULL)
{NULL, NULL, NULL}
@@ -121,6 +137,18 @@ void _free_node(zend_rsrc_list_entry *rsrc) {
/*fprintf(stderr, "Freeing node: %s\n", tmp->name);*/
}
static void php_free_xpath_context(zend_rsrc_list_entry *rsrc)
{
xmlXPathContextPtr ctx = (xmlXPathContextPtr)rsrc->ptr;
xmlXPathFreeContext(ctx);
}
static void php_free_xpath_object(zend_rsrc_list_entry *rsrc)
{
xmlXPathObjectPtr obj = (xmlXPathObjectPtr)rsrc->ptr;
xmlXPathFreeObject(obj);
}
PHP_MINIT_FUNCTION(domxml)
{
zend_class_entry domxmldoc_class_entry;
@@ -128,6 +156,8 @@ PHP_MINIT_FUNCTION(domxml)
zend_class_entry domxmlnode_class_entry;
zend_class_entry domxmlattr_class_entry;
zend_class_entry domxmlns_class_entry;
zend_class_entry xpathctx_class_entry;
zend_class_entry xpathobject_class_entry;
#ifdef newcode
domxmltestnode_class_startup();
@@ -139,6 +169,8 @@ PHP_MINIT_FUNCTION(domxml)
*/
le_domxmlnodep = zend_register_list_destructors_ex(_free_node, NULL, "domxml node", module_number);
le_domxmlattrp = zend_register_list_destructors_ex(NULL, NULL, "domxml attribute", module_number);
le_xpathctxp = zend_register_list_destructors_ex(php_free_xpath_context, NULL, "xpath context", module_number);
le_xpathobjectp = zend_register_list_destructors_ex(php_free_xpath_object, NULL, "xpath object", module_number);
/* le_domxmlnsp = register_list_destructors(NULL, NULL); */
INIT_CLASS_ENTRY(domxmldoc_class_entry, "DomDocument", php_domxmldoc_class_functions);
@@ -146,6 +178,8 @@ PHP_MINIT_FUNCTION(domxml)
INIT_CLASS_ENTRY(domxmlnode_class_entry, "DomNode", php_domxmlnode_class_functions);
INIT_CLASS_ENTRY(domxmlattr_class_entry, "DomAttribute", php_domxmlattr_class_functions);
INIT_CLASS_ENTRY(domxmlns_class_entry, "DomNamespace", php_domxmlns_class_functions);
INIT_CLASS_ENTRY(xpathctx_class_entry, "XPathContext", php_xpathctx_class_functions);
INIT_CLASS_ENTRY(xpathobject_class_entry, "XPathObject", php_xpathobject_class_functions);
domxmldoc_class_entry_ptr = zend_register_internal_class(&domxmldoc_class_entry);
domxmldtd_class_entry_ptr = zend_register_internal_class(&domxmldtd_class_entry);
@@ -165,10 +199,37 @@ PHP_MINIT_FUNCTION(domxml)
REGISTER_LONG_CONSTANT("XML_DOCUMENT_TYPE_NODE", XML_DOCUMENT_TYPE_NODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_DOCUMENT_FRAG_NODE", XML_DOCUMENT_FRAG_NODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_NOTATION_NODE", XML_NOTATION_NODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_HTML_DOCUMENT_NODE", XML_HTML_DOCUMENT_NODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_DTD_NODE", XML_DTD_NODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ELEMENT_DECL_NODE", XML_ELEMENT_DECL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_DECL_NODE", XML_ATTRIBUTE_DECL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ENTITY_DECL_NODE", XML_ENTITY_DECL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_NAMESPACE_DECL_NODE", XML_NAMESPACE_DECL, CONST_CS | CONST_PERSISTENT);
#ifdef XML_GLOBAL_NAMESPACE
REGISTER_LONG_CONSTANT("XML_GLOBAL_NAMESPACE", XML_GLOBAL_NAMESPACE, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("XML_LOCAL_NAMESPACE", XML_LOCAL_NAMESPACE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_CDATA", XML_ATTRIBUTE_CDATA, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_ID", XML_ATTRIBUTE_ID, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_IDREF", XML_ATTRIBUTE_IDREF, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_IDREFS", XML_ATTRIBUTE_IDREFS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_ENTITY", XML_ATTRIBUTE_ENTITIES, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_NMTOKEN", XML_ATTRIBUTE_NMTOKEN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_NMTOKENS", XML_ATTRIBUTE_NMTOKENS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_ENUMERATION", XML_ATTRIBUTE_ENUMERATION, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XML_ATTRIBUTE_NOTATION", XML_ATTRIBUTE_NOTATION, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_UNDEFINED", XPATH_UNDEFINED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_NODESET", XPATH_NODESET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_BOOLEAN", XPATH_BOOLEAN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_NUMBER", XPATH_NUMBER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_STRING", XPATH_STRING, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_POINT", XPATH_POINT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_RANGE", XPATH_RANGE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_LOCATIONSET", XPATH_LOCATIONSET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("XPATH_USERS", XPATH_USERS, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
@@ -332,7 +393,7 @@ PHP_MINFO_FUNCTION(domxml)
/* don't know why that line was commented out in the previous version, so i left it (cmv) */
php_info_print_table_start();
php_info_print_table_row(2, "DOM/XML Support", "enabled");
/* php_info_print_table_row(2, "libmxl Version", LIBXML_VERSION ); */
php_info_print_table_row(2, "libmxl Version", LIBXML_DOTTED_VERSION );
php_info_print_table_end();
}
@@ -989,11 +1050,17 @@ PHP_FUNCTION(xmldoc)
/* construct an object with some methods */
object_init_ex(return_value, domxmldoc_class_entry_ptr);
add_property_resource(return_value, "doc", ret);
if(docp->name)
add_property_stringl(return_value, "name", (char *) docp->name, strlen(docp->name), 1);
if(docp->URL)
add_property_stringl(return_value, "url", (char *) docp->name, strlen(docp->name), 1);
add_property_stringl(return_value, "version", (char *) docp->version, strlen(docp->version), 1);
if(docp->encoding)
add_property_stringl(return_value, "encoding", (char *) docp->encoding, strlen(docp->encoding), 1);
add_property_long(return_value, "standalone", docp->standalone);
add_property_long(return_value, "type", docp->type);
add_property_long(return_value, "compression", docp->compression);
add_property_long(return_value, "charset", docp->charset);
zend_list_addref(ret);
}
/* }}} */
@@ -1387,6 +1454,219 @@ PHP_FUNCTION(xmltree)
}
/* }}} */
/* {{{ proto string xpath_init(void)
Initializing XPath environment */
PHP_FUNCTION(xpath_init)
{
xmlXPathInit();
}
/* }}} */
static void php_xpathptr_new_context(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
zval *id, **tmp;
xmlXPathContextPtr ctx;
xmlDocPtr docp;
int id_to_find;
int type;
int ret;
if (ZEND_NUM_ARGS() == 0) {
id = getThis();
if (id) {
if (zend_hash_find(id->value.obj.properties, "doc", sizeof("doc"), (void **)&tmp) == FAILURE) {
php_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = (*tmp)->value.lval;
} else {
RETURN_FALSE;
}
} else if ((ZEND_NUM_ARGS() != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
docp = (xmlDoc *)zend_list_find(id_to_find, &type);
if (!docp || type != le_domxmldocp) {
php_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
#if defined(LIBXML_XPTR_ENABLED)
if(mode == PHP_XPTR)
ctx = xmlXPtrNewContext(docp, NULL, NULL);
else
#endif
ctx = xmlXPathNewContext(docp);
if (!ctx) {
RETURN_FALSE;
}
ret = zend_list_insert(ctx, le_xpathctxp);
/* construct an object with some methods */
object_init_ex(return_value, xpathctx_class_entry_ptr);
add_property_resource(return_value, "xpathctx", id_to_find);
zend_list_addref(ret);
}
/* }}} */
/* {{{ proto string xpath_new_context([int doc_handle])
Create new XPath context */
PHP_FUNCTION(xpath_new_context) {
php_xpathptr_new_context(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPATH);
}
/* }}} */
/* {{{ proto string xptr_new_context([int doc_handle])
Create new XPath context */
PHP_FUNCTION(xptr_new_context) {
php_xpathptr_new_context(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPTR);
}
/* }}} */
static void php_xpathptr_eval(INTERNAL_FUNCTION_PARAMETERS, int mode, int expr)
{
zval *id, *str, **tmp;
int id_to_find;
xmlXPathContextPtr ctxp;
xmlXPathObjectPtr xpathobjp;
int type;
int ret;
if (ZEND_NUM_ARGS() == 1) {
id = getThis();
if (id) {
if (zend_hash_find(id->value.obj.properties, "xpathctx", sizeof("xpathctx"), (void **)&tmp) == FAILURE) {
php_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = (*tmp)->value.lval;
if (getParameters(ht, 1, &str) == FAILURE)
WRONG_PARAM_COUNT;
} else {
RETURN_FALSE;
}
} else if ((ZEND_NUM_ARGS() != 2) || getParameters(ht, 2, &id, &str) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
convert_to_string(str);
ctxp = (xmlXPathContextPtr) zend_list_find(id_to_find, &type);
if (!ctxp || type != le_xpathctxp) {
php_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
#if defined(LIBXML_XPTR_ENABLED)
if(mode == PHP_XPTR) {
xpathobjp = xmlXPtrEval(BAD_CAST str->value.str.val, ctxp);
} else{
#endif
if(expr)
xpathobjp = xmlXPathEvalExpression(str->value.str.val, ctxp);
else
xpathobjp = xmlXPathEval(str->value.str.val, ctxp);
#if defined(LIBXML_XPTR_ENABLED)
}
#endif
if (!xpathobjp) {
RETURN_FALSE;
}
/* construct an object with some methods */
object_init_ex(return_value, xpathobject_class_entry_ptr);
add_property_resource(return_value, "xpathobject", id_to_find);
add_property_long(return_value, "type", xpathobjp->type);
switch(xpathobjp->type) {
case XPATH_UNDEFINED:
break;
case XPATH_NODESET: {
int i;
zval *arr;
xmlNodeSetPtr nodesetp;
if (array_init(arr) == FAILURE) {
xmlXPathFreeObject(xpathobjp);
RETURN_FALSE;
}
if(NULL == (nodesetp = xpathobjp->nodesetval)) {
xmlXPathFreeObject(xpathobjp);
RETURN_FALSE;
}
for(i = 0;i < nodesetp->nodeNr;i++) {
xmlNodePtr node = nodesetp->nodeTab[i];
zval *child;
int retnode;
MAKE_STD_ZVAL(child);
retnode = zend_list_insert(node, le_domxmlnodep);
/* construct a node object */
object_init_ex(child, domxmlnode_class_entry_ptr);
add_property_long(child, "type", node->type);
add_property_stringl(child, "name", (char *) node->name, strlen(node->name), 1);
if(node->content)
add_property_stringl(child, "content", (char *) node->content, strlen(node->content), 1);
add_property_resource(child, "node", retnode);
zend_hash_next_index_insert(arr->value.ht, &child, sizeof(zval *), NULL);
}
zend_hash_update(return_value->value.obj.properties, "nodeset", sizeof("nodeset"), (void *) &arr, sizeof(zval *), NULL);
break;
}
case XPATH_BOOLEAN:
add_property_bool(return_value, "value", xpathobjp->boolval);
break;
case XPATH_NUMBER:
add_property_double(return_value, "value", xpathobjp->floatval);
break;
case XPATH_STRING:
add_property_string(return_value, "value", xpathobjp->stringval, 1);
break;
case XPATH_POINT:
break;
case XPATH_RANGE:
break;
case XPATH_LOCATIONSET:
break;
case XPATH_USERS:
break;
}
ret = zend_list_insert(xpathobjp, le_xpathobjectp);
zend_list_addref(ret);
}
/* }}} */
/* {{{ proto int xpath_eval([int xpathctx_handle,] string str)
Evaluate the XPath Location Path in the given string */
PHP_FUNCTION(xpath_eval) {
php_xpathptr_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPATH, 0);
}
/* }}} */
/* {{{ proto int xpath_eval_expression([int xpathctx_handle,] string str)
Evaluate the XPath Location Path in the given string */
PHP_FUNCTION(xpath_eval_expression) {
php_xpathptr_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPATH, 1);
}
/* }}} */
#if defined(LIBXML_XPTR_ENABLED)
/* {{{ proto int xptr_eval([int xpathctx_handle,] string str)
Evaluate the XPtr Location Path in the given string */
PHP_FUNCTION(xpath_ptr) {
php_xpathptr_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_XPTR, 0);
}
/* }}} */
#endif /* LIBXML_XPTR_ENABLED */
#endif /* HAVE_DOMXML */
/*
* Local variables:

13
ext/domxml/php_domxml.h
View File

@@ -23,6 +23,10 @@
#if HAVE_DOMXML
#include <libxml/parser.h>
#include <libxml/xpath.h>
#if defined(LIBXML_XPTR_ENABLED)
#include <libxml/xpointer.h>
#endif
extern zend_module_entry domxml_module_entry;
#define domxml_module_ptr &domxml_module_entry
@@ -54,6 +58,15 @@ PHP_FUNCTION(domxml_new_child);
/* Class Attribute methods */
PHP_FUNCTION(domxml_attrname);
/* Class XPathContext methods */
PHP_FUNCTION(xpath_init);
PHP_FUNCTION(xpath_new_context);
PHP_FUNCTION(xpath_eval);
PHP_FUNCTION(xpath_eval_expression);
#if defined(LIBXML_XPTR_ENABLED)
PHP_FUNCTION(xptr_new_context);
#endif
PHP_FUNCTION(domxml_test);
#else
#define domxml_module_ptr NULL