private function prepareAttribute(PHPTAL_Php_CodeWriter $codewriter, $qname, $expression)
{
$tales_code = $this->extractEchoType($expression);
$code = $codewriter->evaluateExpression($tales_code);
// XHTML boolean attribute does not appear when empty or false
if (PHPTAL_Dom_Defs::getInstance()->isBooleanAttribute($qname)) {
// I don't want to mix code for boolean with chained executor
// so compile it again to simple expression
if (is_array($code)) {
$code = PHPTAL_Php_TalesInternal::compileToPHPExpression($tales_code);
}
return $this->prepareBooleanAttribute($codewriter, $qname, $code);
}
// if $code is an array then the attribute value is decided by a
// tales chained expression
if (is_array($code)) {
return $this->prepareChainedAttribute($codewriter, $qname, $code);
}
// i18n needs to read replaced value of the attribute, which is not possible if attribute is completely replaced with conditional code
if ($this->phpelement->hasAttributeNS('http://xml.zope.org/namespaces/i18n', 'attributes')) {
$this->prepareAttributeUnconditional($codewriter, $qname, $code);
} else {
$this->prepareAttributeConditional($codewriter, $qname, $code);
}
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
// number or variable name followed by time unit
// optional per expression
if (!preg_match('/^\\s*([0-9]+\\s*|[a-zA-Z][\\/a-zA-Z0-9_]*\\s+)([dhms])\\s*(?:\\;?\\s*per\\s+([^;]+)|)\\s*$/', $this->expression, $matches)) {
throw new PHPTAL_ParserException("Cache attribute syntax error: " . $this->expression, $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
}
$cache_len = $matches[1];
if (!is_numeric($cache_len)) {
$cache_len = $codewriter->evaluateExpression($cache_len);
if (is_array($cache_len)) {
throw new PHPTAL_ParserException("Chained expressions in cache length are not supported", $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
}
}
switch ($matches[2]) {
case 'd':
$cache_len .= '*24';
/* no break */
/* no break */
case 'h':
$cache_len .= '*60';
/* no break */
/* no break */
case 'm':
$cache_len .= '*60';
/* no break */
}
$cache_tag = '"' . addslashes($this->phpelement->getQualifiedName() . ':' . $this->phpelement->getSourceLine()) . '"';
$cache_per_expression = isset($matches[3]) ? trim($matches[3]) : null;
if ($cache_per_expression == 'url') {
$cache_tag .= '.$_SERVER["REQUEST_URI"]';
} elseif ($cache_per_expression == 'nothing') {
/* do nothing */
} elseif ($cache_per_expression) {
$code = $codewriter->evaluateExpression($cache_per_expression);
if (is_array($code)) {
throw new PHPTAL_ParserException("Chained expressions in per-cache directive are not supported", $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
}
$cache_tag = '(' . $code . ')."@".' . $cache_tag;
}
$this->cache_filename_var = $codewriter->createTempVariable();
$codewriter->doSetVar($this->cache_filename_var, $codewriter->str($codewriter->getCacheFilesBaseName()) . '.md5(' . $cache_tag . ')');
$cond = '!file_exists(' . $this->cache_filename_var . ') || time() - ' . $cache_len . ' >= filemtime(' . $this->cache_filename_var . ')';
$codewriter->doIf($cond);
$codewriter->doEval('ob_start()');
}
/**
* Attach html5 data attributes to element.
*
* Called before generating the compiled php for an attribute.
*
* Example (where 'element' is a Zend_Form_Element):
*
* <input ztal:data-attributes="element" />
*
* Within a Zend_Form implementation:
*
* $this->addElement('text', 'example', array(
* 'data' => array(
* 'hike' => 'foo',
* 'bar' => '1337',
* )
* ));
*
* @param PHPTAL_Php_CodeWriter $codewriter The code writer.
*
* @return void
*/
public function before(\PHPTAL_Php_CodeWriter $codewriter)
{
$args = explode(',', $this->expression);
$zendFormElement = $codewriter->evaluateExpression(trim($args[0]));
$dataAttributes = $codewriter->createTempVariable();
$tmp = $codewriter->createTempVariable();
$assignment = $tmp . ' = ' . $zendFormElement . ';' . PHP_EOL;
$attributes = '$attributes = ' . $tmp . '->getAttribs();';
if (count($args) > 1) {
$option = $codewriter->evaluateExpression(trim($args[1]));
$optionVar = $codewriter->createTempVariable();
$assignment .= $optionVar . ' = ' . $option . ';' . PHP_EOL;
$attributes = '$attributes = ' . $tmp . '->getAttribsForOption(' . $optionVar . ');';
}
// PHPTAL changed the method signature for phptal_escape in v1.2.3.
if (defined('PHPTAL_VERSION') && version_compare(PHPTAL_VERSION, '1.2.3', '>=')) {
$escapeFunctionCall = 'phptal_escape($value, \'UTF-8\')';
} else {
$escapeFunctionCall = 'phptal_escape($value)';
}
/**
* Compiled code will loop through a Zend_Form_Element attributes
* looking for the 'data' key, and assign it to a known temporary
* variable.
*/
$source = '
' . $assignment . '
if ((is_object(' . $tmp . ')
&& ' . $tmp . ' instanceof Zend_Form_Element)
) {
' . $attributes . PHP_EOL . '
' . $dataAttributes . ' = " ";
if (isset($attributes["data"]) && is_array($attributes["data"])) {
foreach ($attributes["data"] as $key => $value) {
' . $dataAttributes . ' .= "data-{$key}=\\"" . ' . $escapeFunctionCall . ' . "\\" ";
}
' . $dataAttributes . ' = rtrim(' . $dataAttributes . ');
}
}';
// persist the code for compilation
$codewriter->pushCode($source);
// get the current DOM element to pull in the attributes
$this->phpelement->getOrCreateAttributeNode('ztal:data-attributes')->overwriteFullWithVariable($dataAttributes);
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
if (trim($this->expression) == '') {
$this->phpelement->headFootDisabled = true;
} else {
$this->varname = $codewriter->createTempVariable();
// print tag header/foot only if condition is false
$cond = $codewriter->evaluateExpression($this->expression);
$this->phpelement->headPrintCondition = '(' . $this->varname . ' = !(' . $cond . '))';
$this->phpelement->footPrintCondition = $this->varname;
}
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$this->var = $codewriter->createTempVariable();
// alias to repeats handler to avoid calling extra getters on each variable access
$codewriter->doSetVar($this->var, '$ctx->repeat');
list($varName, $expression) = $this->parseSetExpression($this->expression);
$code = $codewriter->evaluateExpression($expression);
// instantiate controller using expression
$codewriter->doSetVar($this->var . '->' . $varName, 'new PHPTAL_RepeatController(' . $code . ')' . "\n");
$codewriter->pushContext();
// Lets loop the iterator with a foreach construct
$codewriter->doForeach('$ctx->' . $varName, $this->var . '->' . $varName);
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$code = $codewriter->evaluateExpression($this->expression);
// If it's a chained expression build a new code path
if (is_array($code)) {
$this->expressions = array();
$executor = new PHPTAL_Php_TalesChainExecutor($codewriter, $code, $this);
return;
}
// Force a falsy condition if the nothing keyword is active
if ($code == PHPTAL_Php_TalesInternal::NOTHING_KEYWORD) {
$code = 'false';
}
$codewriter->doIf($code);
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$expression = $this->extractEchoType($this->expression);
$code = $codewriter->evaluateExpression($expression);
if (is_array($code)) {
return $this->generateChainedContent($codewriter, $code);
}
if ($code == PHPTAL_Php_TalesInternal::NOTHING_KEYWORD) {
return;
}
if ($code == PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD) {
return $this->generateDefault($codewriter);
}
$this->doEchoAttribute($codewriter, $code);
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$escape = true;
if (preg_match('/^(text|structure)(?:\\s+(.*)|\\s*$)/', $this->expression, $m)) {
if ($m[1] == 'structure') {
$escape = false;
}
$this->expression = isset($m[2]) ? $m[2] : '';
}
// if no expression is given, the content of the node is used as
// a translation key
if (strlen(trim($this->expression)) == 0) {
$key = $this->_getTranslationKey($this->phpelement, !$escape, $codewriter->getEncoding());
$key = trim(preg_replace('/\\s+/sm' . ($codewriter->getEncoding() == 'UTF-8' ? 'u' : ''), ' ', $key));
$code = $codewriter->str($key);
} else {
$code = $codewriter->evaluateExpression($this->expression);
}
$this->_prepareNames($codewriter, $this->phpelement);
$codewriter->pushCode('echo $_translator->translate(' . $code . ',' . ($escape ? 'true' : 'false') . ');');
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
// tal:replace="" => do nothing and ignore node
if (trim($this->expression) == "") {
return;
}
$expression = $this->extractEchoType($this->expression);
$code = $codewriter->evaluateExpression($expression);
// chained expression
if (is_array($code)) {
return $this->replaceByChainedExpression($codewriter, $code);
}
// nothing do nothing
if ($code == PHPTAL_Php_TalesInternal::NOTHING_KEYWORD) {
return;
}
// default generate default tag content
if ($code == PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD) {
return $this->generateDefault($codewriter);
}
// replace tag with result of expression
$this->doEchoAttribute($codewriter, $code);
}
public function after(PHPTAL_Php_CodeWriter $codewriter)
{
$var = $codewriter->createTempVariable();
$codewriter->pushCode('ob_end_flush()');
$codewriter->doCatch('Exception ' . $var);
$codewriter->pushCode('$tpl->addError(' . $var . ')');
$codewriter->pushCode('ob_end_clean()');
$expression = $this->extractEchoType($this->expression);
$code = $codewriter->evaluateExpression($expression);
switch ($code) {
case PHPTAL_Php_TalesInternal::NOTHING_KEYWORD:
break;
case PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD:
$codewriter->pushHTML('<pre class="phptalError"');
$codewriter->doEchoRaw($var);
$codewriter->pushHTML('</pre>');
break;
default:
$this->doEchoAttribute($codewriter, $code);
break;
}
$codewriter->doEnd();
$codewriter->recycleTempVariable($var);
}
