From a5467e842316daf6a8a4345740f05a9731167ce1 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Sat, 23 Sep 2006 01:51:57 +0000
Subject: merge from 3.0 branch till 1435.

---
 framework/3rdParty/PhpShell/PHP/Shell/Options.php | 132 ++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 framework/3rdParty/PhpShell/PHP/Shell/Options.php

(limited to 'framework/3rdParty/PhpShell/PHP/Shell/Options.php')

diff --git a/framework/3rdParty/PhpShell/PHP/Shell/Options.php b/framework/3rdParty/PhpShell/PHP/Shell/Options.php
new file mode 100644
index 00000000..649d6727
--- /dev/null
+++ b/framework/3rdParty/PhpShell/PHP/Shell/Options.php
@@ -0,0 +1,132 @@
+<?php
+
+require_once(dirname(__FILE__)."/Extensions.php"); /* for the PHP_Shell_Interface */
+  
+/**
+*
+*/
+class PHP_Shell_Options implements PHP_Shell_Extension {
+    /*
+    * instance of the current class
+    *
+    * @var PHP_Shell_Options
+    */
+    static protected $instance;
+
+    /**
+    * known options and their setors
+    *
+    * @var array
+    * @see registerOption
+    */
+    protected $options = array();
+
+    /**
+    * known options and their setors
+    *
+    * @var array
+    * @see registerOptionAlias
+    */
+    protected $option_aliases = array();
+ 
+    public function register() {
+        $cmd = PHP_Shell_Commands::getInstance();
+        $cmd->registerCommand('#^:set #', $this, 'cmdSet', ':set <var>', 'set a shell variable');
+    }
+
+    /**
+    * register a option
+    *
+    * @param string name of the option
+    * @param object a object handle
+    * @param string method-name of the setor in the object
+    * @param string (unused)
+    */ 
+    public function registerOption($option, $obj, $setor, $getor = null) {
+        if (!method_exists($obj, $setor)) {
+            throw new Exception(sprintf("setor %s doesn't exist on class %s", $setor, get_class($obj)));
+        }
+
+        $this->options[trim($option)] = array("obj" => $obj, "setor" => $setor);
+    }
+
+    /**
+    * set a shell-var
+    *
+    * :set al to enable autoload
+    * :set bg=dark to enable highlighting with a dark backgroud
+    */
+    public function cmdSet($l) {
+        if (!preg_match('#:set\s+([a-z]+)\s*(?:=\s*([a-z0-9]+)\s*)?$#i', $l, $a)) {
+            print(':set failed: either :set <option> or :set <option> = <value>');
+            return;
+        }
+
+        $this->execute($a[1], isset($a[2]) ? $a[2] : null);
+    }
+
+    /**
+    * get all the option names
+    *
+    * @return array names of all options
+    */
+    public function getOptions() {
+        return array_keys($this->options);
+    }
+
+    /**
+    * map a option to another option
+    *
+    * e.g.: bg maps to background
+    *
+    * @param string alias
+    * @param string option
+    */
+    public function registerOptionAlias($alias, $option) {
+        if (!isset($this->options[$option])) {
+            throw new Exception(sprintf("Option %s is not known", $option));
+        }
+
+        $this->option_aliases[trim($alias)] = trim($option);
+    
+    }
+
+    /**
+    * execute a :set command
+    *
+    * calls the setor for the :set <option>
+    * 
+    * 
+    */
+    private function execute($key, $value) {
+        /* did we hit a alias (bg for backgroud) ? */
+        if (isset($this->option_aliases[$key])) {
+            $opt_key = $this->option_aliases[$key];
+        } else {
+            $opt_key = $key;
+        }
+
+        if (!isset($this->options[$opt_key])) {
+            print (':set '.$key.' failed: unknown key');
+            return;
+        }
+        
+        if (!isset($this->options[$opt_key]["setor"])) {
+            return;
+        }
+
+        $setor = $this->options[$opt_key]["setor"];
+        $obj = $this->options[$opt_key]["obj"];
+        $obj->$setor($key, $value);
+    }
+
+    static function getInstance() {
+        if (is_null(self::$instance)) {
+            $class = __CLASS__;
+            self::$instance = new $class();
+        }
+        return self::$instance;
+    }
+}
+
+
-- 
cgit v1.2.3