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-rw-r--r--src/Renderer/EngineInterface.php21
-rw-r--r--src/Renderer/HtmlEngine.php34
-rw-r--r--src/Renderer/Renderer.php62
3 files changed, 117 insertions, 0 deletions
diff --git a/src/Renderer/EngineInterface.php b/src/Renderer/EngineInterface.php
new file mode 100644
index 00000000..ca468db5
--- /dev/null
+++ b/src/Renderer/EngineInterface.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Engelsystem\Renderer;
+
+interface EngineInterface
+{
+ /**
+ * Render a template
+ *
+ * @param string $path
+ * @param mixed[] $data
+ * @return string
+ */
+ public function get($path, $data = []);
+
+ /**
+ * @param string $path
+ * @return bool
+ */
+ public function canRender($path);
+}
diff --git a/src/Renderer/HtmlEngine.php b/src/Renderer/HtmlEngine.php
new file mode 100644
index 00000000..4a48e1f0
--- /dev/null
+++ b/src/Renderer/HtmlEngine.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Engelsystem\Renderer;
+
+class HtmlEngine implements EngineInterface
+{
+ /**
+ * Render a template
+ *
+ * @param string $path
+ * @param mixed[] $data
+ * @return string
+ */
+ public function get($path, $data = [])
+ {
+ $template = file_get_contents($path);
+ if (is_array($data)) {
+ foreach ($data as $name => $content) {
+ $template = str_replace('%' . $name . '%', $content, $template);
+ }
+ }
+
+ return $template;
+ }
+
+ /**
+ * @param string $path
+ * @return bool
+ */
+ public function canRender($path)
+ {
+ return strpos($path, '.html') && file_exists($path);
+ }
+}
diff --git a/src/Renderer/Renderer.php b/src/Renderer/Renderer.php
new file mode 100644
index 00000000..bf3d5609
--- /dev/null
+++ b/src/Renderer/Renderer.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace Engelsystem\Renderer;
+
+use ErrorException;
+
+class Renderer
+{
+ /** @var self */
+ protected static $instance;
+
+ /** @var EngineInterface[] */
+ protected $renderer = [];
+
+ /**
+ * Render a template
+ *
+ * @param string $template
+ * @param mixed[] $data
+ * @return string
+ */
+ public function render($template, $data = [])
+ {
+ foreach ($this->renderer as $renderer) {
+ if (!$renderer->canRender($template)) {
+ continue;
+ }
+
+ return $renderer->get($template, $data);
+ }
+
+ engelsystem_error('Unable to find a renderer for template file &laquo;' . $template . '&raquo;.');
+ return '';
+ }
+
+ /**
+ * Add a new renderer engine
+ *
+ * @param EngineInterface $renderer
+ */
+ public function addRenderer(EngineInterface $renderer)
+ {
+ $this->renderer[] = $renderer;
+ }
+
+ /**
+ * @return self
+ * @throws ErrorException
+ */
+ public static function getInstance()
+ {
+ return self::$instance;
+ }
+
+ /**
+ * @param self $instance
+ */
+ public static function setInstance($instance)
+ {
+ self::$instance = $instance;
+ }
+}