Improve providers. Renders now use bulk checks via ::verify

src/Fenom.php

@@ -246,6 +246,7 @@ class Fenom {
             throw new InvalidArgumentException("Source must be a valid path or provider object");
         }
         $fenom = new static($provider);
+        /* @var Fenom $fenom */
         $fenom->setCompileDir($compile_dir);
         if($options) {
             $fenom->setOptions($options);
@@ -595,7 +596,6 @@ class Fenom {
      * @param $callback
      * @param float $chunk
      * @return \Fenom\Render
-     * @example $fenom->pipe("products.yml.tpl", $iterators, [new SplFileObject("/tmp/products.yml"), "fwrite"], 512*1024)
      */
     public function pipe($template, array $vars, $callback, $chunk = 1e6) {
         ob_start($callback, $chunk, true);

src/Fenom/Provider.php

@@ -71,9 +71,9 @@ class Provider implements ProviderInterface {
     }
 
     /**
-     *
+     * Get source and mtime of template by name
      * @param string $tpl
-     * @param int $time
+     * @param int $time load last modified time
      * @return string
      */
     public function getSource($tpl, &$time) {
@@ -83,13 +83,37 @@ class Provider implements ProviderInterface {
         return file_get_contents($tpl);
     }
 
+    /**
+     * Get last modified of template by name
+     * @param string $tpl
+     * @return int
+     */
     public function getLastModified($tpl) {
         clearstatcache(null, $tpl = $this->_getTemplatePath($tpl));
         return filemtime($tpl);
     }
 
-    public function getList() {
-
+    /**
+     * Get all names of templates from provider.
+     *
+     * @param string $extension all templates must have this extension, default .tpl
+     * @return array|\Iterator
+     */
+    public function getList($extension = "tpl") {
+        $list = array();
+        $iterator = new \RecursiveIteratorIterator(
+            new \RecursiveDirectoryIterator($this->_path,
+                \FilesystemIterator::CURRENT_AS_FILEINFO | \FilesystemIterator::SKIP_DOTS),
+            \RecursiveIteratorIterator::CHILD_FIRST
+        );
+        $path_len = strlen($this->_path);
+        foreach($iterator as $file) {
+            /* @var \SplFileInfo $file */
+            if($file->isFile() && $file->getExtension() == $extension) {
+                $list[] = substr($file->getPathname(), $path_len + 1);
+            }
+        }
+        return $list;
     }
 
     /**
@@ -114,18 +138,6 @@ class Provider implements ProviderInterface {
         return file_exists($this->_path."/".$tpl);
     }
 
-    /**
-     * @param array $tpls
-     * @return array
-     */
-    public function getLastModifiedBatch($tpls) {
-        $tpls = array_flip($tpls);
-        foreach($tpls as $tpl => &$time) {
-            $time = $this->getLastModified($tpl);
-        }
-        return $tpls;
-    }
-
     /**
      * Verify templates (check change time)
      *

src/Fenom/ProviderInterface.php

@@ -10,7 +10,7 @@
 namespace Fenom;
 
 /**
- * Template provider interface
+ * Interface of templates provider
  * @package Fenom
  * @author     Ivan Shalganov <a.cobest@gmail.com>
  */
@@ -20,6 +20,7 @@ interface ProviderInterface {
      * @return bool
      */
     public function templateExists($tpl);
+
     /**
      * @param string $tpl
      * @param int $time
@@ -34,15 +35,16 @@ interface ProviderInterface {
     public function getLastModified($tpl);
 
     /**
-     * Verify templates by change time
+     * Verify templates (check mtime)
      *
-     * @param array $templates [template_name => modified, ...] By conversation you may trust the template's name
-     * @return bool
+     * @param array $templates [template_name => modified, ...] By conversation, you may trust the template's name
+     * @return bool if true - all templates are valid else some templates are invalid
      */
     public function verify(array $templates);
 
     /**
-     * @return array
+     * Get all names of template from provider
+     * @return array|\Iterator
      */
     public function getList();
 }

src/Fenom/Render.php

@@ -76,7 +76,7 @@ class Render extends \ArrayObject {
         $this->_fenom = $fenom;
         $props += self::$_props;
         $this->_name = $props["name"];
-        $this->_provider = $this->_fenom->getProvider($props["scm"]);
+//        $this->_provider = $this->_fenom->getProvider($props["scm"]);
         $this->_scm = $props["scm"];
         $this->_time = $props["time"];
         $this->_depends = $props["depends"];
@@ -100,7 +100,7 @@ class Render extends \ArrayObject {
     }
 
     public function getProvider() {
-        return $this->_provider;
+        return $this->_fenom->getProvider($this->_scm);
     }
 
     public function getBaseName() {
@@ -136,14 +136,18 @@ class Render extends \ArrayObject {
      * @return bool
      */
     public function isValid() {
-        $provider = $this->_fenom->getProvider(strstr($this->_name, ":"), true);
-        if($provider->getLastModified($this->_name) >= $this->_time) {
-            return false;
-        }
-        foreach($this->_depends as $tpl => $time) {
-            if($this->_fenom->getTemplate($tpl)->getTime() !== $time) {
+        if(count($this->_depends) === 1) { // if no external dependencies, only self
+            $provider = $this->_fenom->getProvider($this->_scm);
+            if($provider->getLastModified($this->_name) !== $this->_time) {
                 return false;
             }
+        } else {
+            foreach($this->_depends as $scm => $templates) {
+                $provider = $this->_fenom->getProvider($scm);
+                if(!$provider->verify($templates)) {
+                    return false;
+                }
+            }
         }
         return true;
     }