/**
* Watch the source/ directory for any changes to existing files. Will run forever if given the chance.
* @param {Boolean} decide if the reload server should be turned on
* @param {Boolean} decide if static files like CSS and JS should be moved
*/
public function watch($options = array())
{
// double-checks options was properly set
if (empty($options)) {
Console::writeError("need to pass options to generate...");
}
// set default attributes
$moveStatic = isset($options["moveStatic"]) ? $options["moveStatic"] : true;
$noCacheBuster = isset($options["noCacheBuster"]) ? $options["noCacheBuster"] : false;
// make sure a copy of the given options are saved for using when running generate
$this->options = $options;
// set-up the Dispatcher
$dispatcherInstance = Dispatcher::getInstance();
$dispatcherInstance->dispatch("watcher.start");
if ($noCacheBuster) {
Config::setOption("cacheBuster", 0);
}
$c = false;
// track that one loop through the pattern file listing has completed
$o = new \stdClass();
// create an object to hold the properties
$cp = new \stdClass();
// create an object to hold a clone of $o
$o->patterns = new \stdClass();
Console::writeLine("watching your site for changes...");
// default vars
$publicDir = Config::getOption("publicDir");
$sourceDir = Config::getOption("sourceDir");
$patternSourceDir = Config::getOption("patternSourceDir");
$ignoreExts = Config::getOption("ie");
$ignoreDirs = Config::getOption("id");
$patternExt = Config::getOption("patternExtension");
// build the file extensions based on the rules
$fileExtensions = array();
$patternRules = PatternData::getRules();
foreach ($patternRules as $patternRule) {
$extensions = $patternRule->getProp("extProp");
if (strpos($extensions, "&&") !== false) {
$extensions = explode("&&", $extensions);
} else {
if (strpos($extensions, "||") !== false) {
$extensions = explode("||", $extensions);
} else {
$extensions = array($extensions);
}
}
foreach ($extensions as $extension) {
if (!in_array($extension, $fileExtensions)) {
$fileExtensions[] = $extension;
}
}
}
// run forever
while (true) {
// clone the patterns so they can be checked in case something gets deleted
$cp = clone $o->patterns;
// iterate over the patterns & related data and regenerate the entire site if they've changed
$patternObjects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($patternSourceDir), \RecursiveIteratorIterator::SELF_FIRST);
// make sure dots are skipped
$patternObjects->setFlags(\FilesystemIterator::SKIP_DOTS);
foreach ($patternObjects as $name => $object) {
// clean-up the file name and make sure it's not one of the pattern lab files or to be ignored
$fileName = str_replace($patternSourceDir . DIRECTORY_SEPARATOR, "", $name);
$fileNameClean = str_replace(DIRECTORY_SEPARATOR . "_", DIRECTORY_SEPARATOR, $fileName);
if ($object->isFile() && in_array($object->getExtension(), $fileExtensions)) {
// make sure this isn't a hidden pattern
$patternParts = explode(DIRECTORY_SEPARATOR, $fileName);
$pattern = isset($patternParts[2]) ? $patternParts[2] : $patternParts[1];
// make sure the pattern still exists in source just in case it's been deleted during the iteration
if (file_exists($name)) {
$mt = $object->getMTime();
if (isset($o->patterns->{$fileName}) && $o->patterns->{$fileName} != $mt) {
$o->patterns->{$fileName} = $mt;
$this->updateSite($fileName, "changed");
} else {
if (!isset($o->patterns->{$fileName}) && $c) {
$o->patterns->{$fileName} = $mt;
$this->updateSite($fileName, "added");
if ($object->getExtension() == $patternExt) {
$patternSrcPath = str_replace("." . $patternExt, "", $fileName);
$patternDestPath = str_replace("/", "-", $patternSrcPath);
$render = $pattern[0] != "_" ? true : false;
$this->patternPaths[$patternParts[0]][$pattern] = array("patternSrcPath" => $patternSrcPath, "patternDestPath" => $patternDestPath, "render" => $render);
}
} else {
if (!isset($o->patterns->{$fileName})) {
$o->patterns->{$fileName} = $mt;
}
}
}
if ($c && isset($o->patterns->{$fileName})) {
unset($cp->{$fileName});
}
} else {
// the file was removed during the iteration so remove references to the item
unset($o->patterns->{$fileName});
unset($cp->{$fileName});
unset($this->patternPaths[$patternParts[0]][$pattern]);
$this->updateSite($fileName, "removed");
}
}
}
// make sure old entries are deleted
// will throw "pattern not found" errors if an entire directory is removed at once but that shouldn't be a big deal
if ($c) {
foreach ($cp as $fileName => $mt) {
unset($o->patterns->{$fileName});
$patternParts = explode(DIRECTORY_SEPARATOR, $fileName);
$pattern = isset($patternParts[2]) ? $patternParts[2] : $patternParts[1];
unset($this->patternPaths[$patternParts[0]][$pattern]);
$this->updateSite($fileName, "removed");
}
}
// iterate over annotations, data, meta and any other _ dirs
$watchDirs = glob($sourceDir . DIRECTORY_SEPARATOR . "_*", GLOB_ONLYDIR);
foreach ($watchDirs as $watchDir) {
if ($watchDir != $patternSourceDir) {
// iterate over the data files and regenerate the entire site if they've changed
$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($watchDir), \RecursiveIteratorIterator::SELF_FIRST);
// make sure dots are skipped
$objects->setFlags(\FilesystemIterator::SKIP_DOTS);
foreach ($objects as $name => $object) {
$fileName = str_replace($sourceDir . DIRECTORY_SEPARATOR, "", $name);
$mt = $object->getMTime();
if (!isset($o->{$fileName})) {
$o->{$fileName} = $mt;
if ($c) {
$this->updateSite($fileName, "added");
}
} else {
if ($o->{$fileName} != $mt) {
$o->{$fileName} = $mt;
if ($c) {
$this->updateSite($fileName, "changed");
}
}
}
}
}
}
// iterate over all of the other files in the source directory and move them if their modified time has changed
if ($moveStatic) {
$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($sourceDir . DIRECTORY_SEPARATOR), \RecursiveIteratorIterator::SELF_FIRST);
// make sure dots are skipped
$objects->setFlags(\FilesystemIterator::SKIP_DOTS);
foreach ($objects as $name => $object) {
// clean-up the file name and make sure it's not one of the pattern lab files or to be ignored
$fileName = str_replace($sourceDir . DIRECTORY_SEPARATOR, "", $name);
if ($fileName[0] != "_" && !in_array($object->getExtension(), $ignoreExts) && !in_array($object->getFilename(), $ignoreDirs)) {
// catch directories that have the ignored dir in their path
$ignoreDir = FileUtil::ignoreDir($fileName);
// check to see if it's a new directory
if (!$ignoreDir && $object->isDir() && !isset($o->{$fileName}) && !is_dir($publicDir . "/" . $fileName)) {
mkdir($publicDir . "/" . $fileName);
$o->{$fileName} = "dir created";
// placeholder
Console::writeLine($fileName . "/ directory was created...");
}
// check to see if it's a new file or a file that has changed
if (file_exists($name)) {
$mt = $object->getMTime();
if (!$ignoreDir && $object->isFile() && !isset($o->{$fileName}) && !file_exists($publicDir . "/" . $fileName)) {
$o->{$fileName} = $mt;
FileUtil::moveStaticFile($fileName, "added");
if ($object->getExtension() == "css") {
$this->updateSite($fileName, "changed", 0);
// make sure the site is updated for MQ reasons
}
} else {
if (!$ignoreDir && $object->isFile() && isset($o->{$fileName}) && $o->{$fileName} != $mt) {
$o->{$fileName} = $mt;
FileUtil::moveStaticFile($fileName, "changed");
if ($object->getExtension() == "css") {
$this->updateSite($fileName, "changed", 0);
// make sure the site is updated for MQ reasons
}
} else {
if (!isset($o->fileName)) {
$o->{$fileName} = $mt;
}
}
}
} else {
unset($o->{$fileName});
}
}
}
}
$c = true;
// taking out the garbage. basically killing mustache after each run.
if (gc_enabled()) {
gc_collect_cycles();
}
// pause for .05 seconds to give the CPU a rest
usleep(50000);
}
}
