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add support for object registration

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This commit is contained in:
mohrt
2003-01-23 23:33:29 +00:00
parent 0eb02a6187
commit 494993de38
5 changed files with 191 additions and 31 deletions
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libs/Smarty_Compiler.class.php
+65 -10
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@@ -144,7 +144,11 @@ class Smarty_Compiler extends Smarty {
// foo123
// _foo_bar
$this->_func_regexp = '[a-zA-Z_]\w*';
// matches valid registered object:
// foo.bar
$this->_reg_obj_regexp = '[a-zA-Z_]\w*\.[a-zA-Z_]\w*';
// matches valid parameter values:
// true
// $foo
@@ -342,13 +346,14 @@ class Smarty_Compiler extends Smarty {
\*======================================================================*/
function _compile_tag($template_tag)
{
/* Matched comment. */
if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*')
return '';
/* Split tag into two three parts: command, command modifiers and the arguments. */
if(! preg_match('/^(?:(' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*))
if(! preg_match('/^(?:(' . $this->_obj_call_regexp . '|' . $this->_var_regexp
. '|' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*))
(?:\s+(.*))?$
/xs', $template_tag, $match)) {
$this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__);
@@ -357,17 +362,22 @@ class Smarty_Compiler extends Smarty {
$tag_command = $match[1];
$tag_modifier = isset($match[2]) ? $match[2] : null;
$tag_args = isset($match[3]) ? $match[3] : null;
/* If the tag name is not a function, we process it. */
if (!preg_match('!^\/?' . $this->_func_regexp . '$!', $tag_command)) {
$_tag_attrs = $this->_parse_attrs($tag_args);
$return = $this->_parse_var_props($tag_command . $tag_modifier, $_tag_attrs);
/* If the tag name is a variable or object, we process it. */
if (preg_match('!^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$!', $tag_command)) {
$return = $this->_parse_var_props($tag_command . $tag_modifier, $this->_parse_attrs($tag_args));
if(isset($_tag_attrs['assign'])) {
return "<?php \$this->assign('" . $this->_dequote($_tag_attrs['assign']) . "', $return ); ?>\n";
} else {
return "<?php echo $return; ?>\n";
}
}
/* If the tag name is a registered object, we process it. */
if (preg_match('!^' . $this->_reg_obj_regexp . '$!', $tag_command)) {
return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier);
}
switch ($tag_command) {
case 'include':
@@ -453,7 +463,7 @@ class Smarty_Compiler extends Smarty {
case 'insert':
return $this->_compile_insert_tag($tag_args);
default:
default:
if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) {
return $output;
} else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) {
@@ -631,6 +641,51 @@ class Smarty_Compiler extends Smarty {
return '<?php echo ' . $return . " ; ?>\n";
}
/*======================================================================*\
Function: _compile_registered_object_tag
Purpose: compile a registered object tag
\*======================================================================*/
function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier)
{
list($object, $obj_comp) = explode('.', $tag_command);
$this->_add_plugin('object', $object);
$arg_list = array();
if(count($attrs)) {
$_assign_var = false;
foreach ($attrs as $arg_name => $arg_value) {
if($arg_name == 'assign') {
$_assign_var = $arg_value;
continue;
}
if (is_bool($arg_value))
$arg_value = $arg_value ? 'true' : 'false';
$arg_list[] = "'$arg_name' => $arg_value";
}
}
if(!$this->_plugins['object'][$object][0]) {
$this->_trigger_plugin_error("Smarty error: Registered '$object' is not an object");
} elseif(method_exists($this->_plugins['object'][$object][0], $obj_comp)) {
// method
$return = "\$this->_plugins['object']['$object'][0]->$obj_comp(array(".implode(',', (array)$arg_list)."), \$this)";
} else {
// property
$return = "\$this->_plugins['object']['$object'][0]->$obj_comp";
}
if($tag_modifier != '') {
$this->_parse_modifiers($return, $tag_modifier);
}
if($_assign_var) {
return "<?php \$this->assign('" . $this->_dequote($_assign_var) ."', $return); ?>\n";
} else {
return '<?php echo ' . $return . " ; ?>\n";
}
}
/*======================================================================*\
Function: _compile_insert_tag
@@ -1186,7 +1241,7 @@ class Smarty_Compiler extends Smarty {
1 - expecting '='
2 - expecting attribute value (not '=') */
$state = 0;
foreach ($tokens as $token) {
switch ($state) {
case 0: