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<?php
class php_global extends php_element {
function __construct($attr) {
$this->name = $attr["name"];
if (!$this->is_name($this->name)) {
$this->error[] = "'$attr[name]' is not a valid C variable name";
}
$this->type = $attr['type'];
if (!$this->is_type($this->type)) {
$this->error[] = "'$attr[type]' is not a valid C data type";
}
}
/* overriding type check as we deal with C types here
check is rather naive as it doesn't know about context
so we check for a sequence of valid names for now
TODO: check for either simple type, struct/class or single word (typedef)
*/
function is_type($type) {
$array = explode(" ", str_replace('*',' ',$type));
foreach ($array as $name) {
if (empty($name)) continue;
if (!$this->is_name($name)) return false;
}
return true;
}
static function c_code_header($name) {
return "static void php_{name}_init_globals(zend_{name}_globals *{name}_globals)\n{\n";
}
function c_code($name) {
$code = " {$name}_globals->{$this->name} = ";
if (strstr($this->type, "*")) {
$code .= "NULL;\n";
} else {
$code .= "0;\n";
}
return $code;
}
static function c_code_footer() {
return "}\n\n";
}
static function h_code_header($name) {
return "ZEND_BEGIN_MODULE_GLOBALS({$name})\n";
}
function h_code($name) {
return " {$this->type} {$this->name};\n";
}
static function h_code_footer($name) {
$upname = strtoupper($name);
return "
ZEND_END_MODULE_GLOBALS({$name})
#ifdef ZTS
#define {$upname}_G(v) TSRMG({$name}_globals_id, zend_{$name}_globals *, v)
#else
#define {$upname}_G(v) ({$name}_globals.v)
#endif
";
}
}
?>
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