protected function addWarningsForAffectedViewHelpers($packagePath)
{
$foundAffectedViewHelpers = array();
$allPathsAndFilenames = Files::readDirectoryRecursively($packagePath, null, true);
foreach ($allPathsAndFilenames as $pathAndFilename) {
$pathInfo = pathinfo($pathAndFilename);
if (!isset($pathInfo['filename']) || $pathInfo['extension'] !== 'html') {
continue;
}
$fileContents = file_get_contents($pathAndFilename);
preg_match_all('/f\\:(uri\\.[\\w]+|format\\.json)/', $fileContents, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$viewHelperName = $match[1];
if (!isset($foundAffectedViewHelpers[$viewHelperName])) {
$foundAffectedViewHelpers[$viewHelperName] = array();
}
$truncatedPathAndFilename = substr($pathAndFilename, strlen($packagePath) + 1);
if (!in_array($truncatedPathAndFilename, $foundAffectedViewHelpers[$viewHelperName])) {
$foundAffectedViewHelpers[$viewHelperName][] = $truncatedPathAndFilename;
}
}
}
foreach ($foundAffectedViewHelpers as $viewHelperName => $filePathsAndNames) {
$this->showWarning(sprintf('The behavior of the "%s" ViewHelper has been changed to produce escaped output.' . chr(10) . 'This package makes use of this ViewHelper in the following files:' . chr(10) . '- %s' . chr(10) . 'See upgrading instructions for further details.' . chr(10), $viewHelperName, implode(chr(10) . '- ', $filePathsAndNames)));
}
}
