/**
* Parses a PHP file for messages marked as translatable. Recognized as message
* marking are `$t()` and `$tn()` which are implemented in the `View` class. This
* is a rather simple and stupid parser but also fast and easy to grasp. It doesn't
* actively attempt to detect and work around syntax errors in marker functions.
*
* @see lithium\g11n\Message::aliases()
* @param string $file Absolute path to a PHP file.
* @return array
*/
protected function _parsePhp($file)
{
$contents = file_get_contents($file);
$contents = Compiler::compile($contents);
$defaults = array('ids' => array(), 'context' => null, 'open' => false, 'position' => 0, 'occurrence' => array('file' => $file, 'line' => null));
extract($defaults);
$data = array();
if (strpos($contents, '$t(') === false && strpos($contents, '$tn(') === false) {
return $data;
}
$tokens = token_get_all($contents);
unset($contents);
$findContext = function ($position) use($tokens) {
$ignore = array(T_WHITESPACE, '(', ')', T_ARRAY, ',');
$open = 1;
$options = array();
$depth = 0;
while (isset($tokens[$position]) && ($token = $tokens[$position])) {
if (!is_array($token)) {
$token = array(0 => null, 1 => $token, 2 => null);
}
if ($token[1] === '(') {
$open++;
} elseif ($token[1] === ')' && --$open === 0) {
break;
}
if ($token[0] === T_ARRAY || $token[1] === '[') {
$depth++;
} elseif ($depth > 1 && ($token[1] === ')' || $token[1] === ']')) {
$depth--;
}
if ($depth === 1 && $open === 2) {
if (!in_array($token[0] ?: $token[1], $ignore)) {
$options[] = $token;
}
}
$position++;
}
foreach ($options as $i => $token) {
if (!(isset($options[$i + 1]) && isset($options[$i + 2]))) {
break;
}
$condition1 = substr($token[1], 1, -1) === 'context';
$condition2 = $options[$i + 1][0] === T_DOUBLE_ARROW;
$condition3 = $options[$i + 2][0] === T_CONSTANT_ENCAPSED_STRING;
if ($condition1 && $condition2 && $condition3) {
return $options[$i + 2][1];
}
}
return null;
};
foreach ($tokens as $key => $token) {
if (!is_array($token)) {
$token = array(0 => null, 1 => $token, 2 => null);
}
if ($open) {
if ($position >= ($open === 'singular' ? 1 : 2)) {
$data = $this->_merge($data, array('id' => $ids['singular'], 'ids' => $ids, 'occurrences' => array($occurrence), 'context' => $context));
extract($defaults, EXTR_OVERWRITE);
} elseif ($token[0] === T_CONSTANT_ENCAPSED_STRING) {
$ids[$ids ? 'plural' : 'singular'] = $token[1];
$position++;
}
} else {
if (isset($tokens[$key + 1]) && $tokens[$key + 1] === '(') {
if ($token[1] === '$t') {
$open = 'singular';
} elseif ($token[1] === '$tn') {
$open = 'plural';
} else {
continue;
}
$occurrence['line'] = $token[2];
$context = $findContext($key + 2);
}
}
}
return $data;
}
/**
* Parses a PHP file for messages marked as translatable. Recognized as message
* marking are `$t()` and `$tn()` which are implemented in the `View` class. This
* is a rather simple and stupid parser but also fast and easy to grasp. It doesn't
* actively attempt to detect and work around syntax errors in marker functions.
*
* @see lithium\g11n\Message::aliases()
* @param string $file Absolute path to a PHP file.
* @return array
*/
protected function _parsePhp($file)
{
$contents = file_get_contents($file);
$contents = Compiler::compile($contents);
$defaults = array('ids' => array(), 'open' => false, 'position' => 0, 'occurrence' => array('file' => $file, 'line' => null));
extract($defaults);
$data = array();
if (strpos($contents, '$t(') === false && strpos($contents, '$tn(') == false) {
return $data;
}
$tokens = token_get_all($contents);
unset($contents);
foreach ($tokens as $key => $token) {
if (!is_array($token)) {
$token = array(0 => null, 1 => $token, 2 => null);
}
if ($open) {
if ($position >= ($open === 'singular' ? 1 : 2)) {
$data = $this->_merge($data, array('id' => $ids['singular'], 'ids' => $ids, 'occurrences' => array($occurrence)));
extract($defaults, EXTR_OVERWRITE);
} elseif ($token[0] === T_CONSTANT_ENCAPSED_STRING) {
$ids[$ids ? 'plural' : 'singular'] = $token[1];
$position++;
}
} else {
if (isset($tokens[$key + 1]) && $tokens[$key + 1] === '(') {
if ($token[1] === '$t') {
$open = 'singular';
} elseif ($token[1] === '$tn') {
$open = 'plural';
} else {
continue;
}
$occurrence['line'] = $token[2];
}
}
}
return $data;
}