stub2ref

[mdref/mdref] / mdref / Generator / Template.php

diff --git a/mdref/Generator/Template.php b/mdref/Generator/Template.php
new file mode 100644 (file)
index 0000000..0b0e638
--- /dev/null
+++ b/mdref/Generator/Template.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace mdref\Generator;
+
+use http\Exception\RuntimeException;
+
+class Template {
+       public function __construct(
+               private string $file,
+               private int $offset
+       ) {}
+
+       public function source() {
+               return file_get_contents($this->file, false, null, $this->offset);
+       }
+
+       private function cache(string $cache_file) : string {
+               $cache_path = dirname($cache_file);
+               if (!is_dir($cache_path) && !mkdir($cache_path, 0700, true)) {
+                       throw new RuntimeException(error_get_last()["message"]);
+               }
+               if (!file_put_contents($cache_file, '<?php namespace mdref\\Generator; ?>' . $this->source())) {
+                       throw new RuntimeException(error_get_last()["message"]);
+               }
+               return $cache_file;
+       }
+
+       public function __toString() : string {
+               $cache_file = sys_get_temp_dir() . "/mdref/generate." . basename($this->file) . ".md.tmp";
+               $cache_stat = @stat($cache_file);
+               if ($cache_stat && $cache_stat["mtime"] >= filemtime($this->file)) {
+                       return $cache_file;
+               }
+
+               return $this->cache($cache_file);
+       }
+}