commit 37f6de1a1a58be63fd71a6179b35908dd4d5651c
Author: Pavel Shevaev <pacha.shevaev@gmail.com>
Date:   Fri May 26 17:50:05 2023 +0300

    Initial commit

diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..5d1715e
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,11 @@
+{
+    "name": "bit/meta_filters",
+    "description": "Collection of shared meta filters",
+    "homepage": "https://git.bit5.ru/composer/meta_filters",
+    "require": {
+        "php": ">=7.4"
+    },
+    "autoload": {
+        "files": ["filters.inc.php"]
+    }
+}
diff --git a/filters.inc.php b/filters.inc.php
new file mode 100644
index 0000000..87e580b
--- /dev/null
+++ b/filters.inc.php
@@ -0,0 +1,104 @@
+<?php
+namespace metagen_php;
+use Exception;
+
+function flt_str2num($val, $name, $struct, $args)
+{
+  if(is_string($val))
+  {
+    if(strlen($val) === 0)
+      throw new Exception("Bad value, string empty, crc28 can't be generated");
+
+    //special case
+    if(strpos($val, '@') !== 0)
+      throw new Exception("@ expected");
+
+    $name = substr($val, 1) . '.conf.js';
+
+    $path = \taskman\config_real_path($name);
+
+    if(\taskman\config_get_header($path, $proto_id, $alias))
+    {
+      if($alias !== $val)
+        throw new Exception("Config file header alias doesn't match: $alias vs $val");
+      $val = $proto_id;
+    }
+    else
+     throw new Exception("Config file header is not valid: $path");
+  }
+
+  if(!is_numeric($val))
+    throw new Exception("Bad value, not a number(" . serialize($val) . ")");
+
+  return 1*$val;
+}
+
+function flt_range($val, $name, $struct, $args)
+{
+  if(count($args) != 2)
+    throw new Exception("Wrong usage of \"flt_range\". Use \"@flt_range:[0,1]\" where 0 - min, 1 - max");
+    
+  if(!is_numeric($args[0]) || !is_numeric($args[1]))
+      throw new Exception("Wrong usage of \"flt_range\". Use \"@flt_range:[0,1]\" where 0 - min, 1 - max");
+
+  if(is_numeric($val))
+  {
+    if($val < $args[0] || $val > $args[1])
+      throw new Exception("Value ".$val.", not in range(" . $args[0] . "," . $args[1] . ")");
+  }
+
+  return $val;
+}
+
+function flt_time($val, $name, $struct, $args)
+{
+  $str = "";
+  if(is_string($val))
+  {
+    if(strlen($val) === 0)
+      throw new Exception("Bad value, string empty, crc28 can't be generated");
+
+    $reg = "/^([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})$/";
+    
+    if(!preg_match($reg, $val, $matches))
+      throw new Exception("Bad value, pattern 00:00:00");
+
+    $h = $matches[1];
+    $m = $matches[2];
+    $s = $matches[3];
+    
+    return $h * 3600 + $m * 60 + $s;
+  }
+
+  return 0;
+}
+
+function flt_class($val, $name, $struct, $args)
+{
+  global $GAME_ROOT;
+  
+  if(is_string($val))
+  {
+    if(strpos($val, '@') === 0)
+      $val = substr($val, 1) . '.conf.js';
+
+    $conf_path = \taskman\config_real_path($val);
+    
+    $lines = file($conf_path);
+    foreach($lines as $line)
+    {
+      if(preg_match('~"?class"?\s*:\s*"([^"]+)"~', $line, $matches))
+      {
+        $conf_class = $matches[1];
+        if($conf_class != $args[0] && !is_subclass_of($conf_class, $args[0]))
+          throw new Exception($val.". Config class is \"".$conf_class."\". Must be \"".$args[0]."\" or it's child");
+        else  
+         return $val;  
+      }
+    }
+    
+    throw new Exception($val.". Config class is not found in '$conf_path'");
+  }
+  
+  return $val;
+}