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, $code);
}
}
/**
* returns PHP code that generates given string, including dynamic replacements
*
* It's almost unused.
*/
public function interpolateTalesVarsInString($string)
{
return PHPTAL_Php_TalesInternal::parseString($string, false, $this->getTalesMode() === 'tales' ? '' : 'php:');
}
/**
* @param key - unescaped string (not PHP code) for the key
*/
private function _getTranslationCode(PHPTAL_Php_CodeWriter $codewriter, $key)
{
$code = '';
if (preg_match_all('/\\$\\{(.*?)\\}/', $key, $m)) {
array_shift($m);
$m = array_shift($m);
foreach ($m as $name) {
$code .= "\n" . '$_translator->setVar(' . $codewriter->str($name) . ',' . PHPTAL_Php_TalesInternal::compileToPHPExpression($name) . ');';
// allow more complex TAL expressions
}
$code .= "\n";
}
// notice the false boolean which indicate that the html is escaped
// elsewhere looks like an hack doesn't it ? :)
$code .= 'echo ' . $codewriter->escapeCode('$_translator->translate(' . $codewriter->str($key) . ', false)');
return $code;
}
/**
* PHPTAL templating engine
*
* PHP Version 5
*
* @category HTML
* @package PHPTAL
* @author Laurent Bedubourg <*****@*****.**>
* @author Kornel Lesiński <*****@*****.**>
* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
* @version SVN: $Id$
* @link http://phptal.org/
*/
function phptal_tales_custom($src, $nothrow)
{
return 'sprintf("%01.2f", ' . PHPTAL_Php_TalesInternal::path($src, $nothrow) . ')';
}
/**
* returns PHP code that generates given string, including dynamic replacements
*/
public function interpolateTalesVarsInString($string)
{
if ($this->_talesMode == 'tales') {
return PHPTAL_Php_TalesInternal::string($string);
}
// replace ${var} found in expression
while (preg_match('/(?<!\\$)\\$\\{([^\\}]+)\\}/s', $string, $m)) {
list($ori, $exp) = $m;
$php = PHPTAL_Php_TalesInternal::php($exp);
$string = str_replace($ori, '\'.' . $php . '.\'', $string);
// FIXME: that is not elegant
}
$string = str_replace('$${', '${', $string);
// FIXME: that is not elegant
return '\'' . $string . '\'';
}
/**
* returns PHP code that will evaluate given TALES expression.
* e.g. "string:foo${bar}" may be transformed to "'foo'.phptal_escape($ctx->bar)"
*
* Expressions with alternatives ("foo | bar") will cause it to return array
* Use phptal_tale() if you always want string.
*
* @param bool $nothrow if true, invalid expression will return NULL (at run time) rather than throwing exception
* @return string or array
*/
function phptal_tales($expression, $nothrow = false)
{
return PHPTAL_Php_TalesInternal::compileToPHPStatements($expression, $nothrow);
}
function testDoubleVar()
{
$res = PHPTAL_Php_TalesInternal::string('hello $foo $bar');
$this->assertRegExp('/ctx->foo/', $res, '$foo not interpolated');
$this->assertRegExp('/ctx->bar/', $res, '$bar not interpolated');
}
