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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Sterling Hughes <sterling@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_xslt.h"
#if HAVE_XSLT
#include <string.h>
static int debug = 0;
/* {{{ xslt_debug()
Output a debug message if debugging is enabled */
extern void xslt_debug(char *function_name, char *format, ...)
{
if (debug) {
va_list argv;
char buffer[1024];
va_start(argv, format);
vsnprintf(buffer, sizeof(buffer) - 1, format, argv);
va_end(argv);
buffer[sizeof(buffer) - 1] = '\0';
php_printf("<b>XSLT Debug</b>: %s: %s<br>\n",
function_name, buffer);
}
}
/* }}} */
static char *find_xslt_argument(const char **argv, const char *key)
{
char **ptr;
char *return_value;
ptr = (char **) argv;
while (ptr && *ptr) {
if (! strcmp(*ptr, key)) {
return_value = estrdup(*ptr);
return return_value;
}
ptr++;
}
if (! return_value) {
return NULL;
}
}
/* {{{ parse_xslt_arguments()
Parse an XSLT argument buffer */
extern xslt_args *parse_xslt_arguments(char *xml,
char *xsl,
char *result,
char **argv)
{
xslt_args *return_value;
return_value = emalloc(sizeof(xslt_args));
/* The xml argument */
if (! strncasecmp(xml, "arg:", 4)) {
char *key = xml + 5;
return_value->xml.type = XSLT_IS_DATA;
return_value->xml.ptr = find_xslt_argument((const char **) argv,
(const char *) key);
}
else {
return_value->xml.type = XSLT_IS_FILE;
return_value->xml.ptr = estrdup(xml);
}
/* The xslt arguments */
if (! strncasecmp(xsl, "arg:", 4)) {
char *key = xsl + 5;
return_value->xsl.type = XSLT_IS_DATA;
return_value->xsl.ptr = find_xslt_argument((const char **) argv,
(const char *) key);
}
else {
return_value->xsl.type = XSLT_IS_FILE;
return_value->xsl.ptr = estrdup(xsl);
}
/* The result argument */
if (! strncasecmp(result, "arg:", 4)) {
char *key = result + 5;
return_value->result.type = XSLT_IS_DATA;
return_value->result.ptr = find_xslt_argument((const char **) argv,
(const char *) key);
}
else {
return_value->result.type = XSLT_IS_FILE;
return_value->result.ptr = estrdup(result);
}
return return_value;
}
/* }}} */
/* {{{ call_xslt_function()
Call an XSLT handler */
extern void call_xslt_function(char *name,
struct xslt_function *fptr,
int argc,
zval **argv,
zval **retval)
{
int error; /* Error container */
int idx; /* Idx, when looping through and free'ing the arguments */
ELS_FETCH(); /* For TS mode, fetch the executor globals */
/* Allocate and initialize return value from the function */
MAKE_STD_ZVAL(*retval);
/* Call the function */
error = call_user_function(EG(function_table),
XSLT_OBJ(fptr),
XSLT_FUNC(fptr),
*retval, argc, argv);
if (error == FAILURE) {
php_error(E_WARNING, "Cannot call the %s handler: %s",
name, Z_STRVAL_P(XSLT_FUNC(fptr)));
}
/* Cleanup arguments */
for (idx = 0; idx < argc; idx++) {
/* Decrease refcount and free if refcount is <= 0 */
zval_ptr_dtor(&argv[idx]);
}
}
/* }}} */
extern void free_xslt_handler(struct xslt_function *func)
{
if (!func) {
return;
}
if (func->obj) {
efree(func->obj);
}
if (func->func) {
efree(func->func);
}
efree(func);
}
extern void assign_xslt_handler(struct xslt_function **func, zval **zfunc)
{
char error[] = "Invalid function passed to %s";
*func = emalloc(sizeof(struct xslt_function));
if (Z_TYPE_PP(zfunc) == IS_STRING) {
(*func)->obj = NULL;
zval_add_ref(zfunc);
(*func)->func = *zfunc;
}
else if (Z_TYPE_PP(zfunc) == IS_ARRAY) {
zval **obj;
zval **function;
if (zend_hash_index_find(Z_ARRVAL_PP(zfunc), 0, (void **) &obj) == FAILURE) {
efree(*func);
php_error(E_WARNING, error, get_active_function_name());
return;
}
if (zend_hash_index_find(Z_ARRVAL_PP(zfunc), 1, (void **) &function) == FAILURE) {
efree(*func);
php_error(E_WARNING, error, get_active_function_name());
return;
}
zval_add_ref(obj);
zval_add_ref(function);
(*func)->obj = *obj;
(*func)->func = *function;
}
else {
efree(*func);
php_error(E_WARNING, error, get_active_function_name());
}
}
#endif
|
