1 files changed, 318 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/refnotes/instructions.php b/platform/www/lib/plugins/refnotes/instructions.php
new file mode 100644
index 0000000..7711a27
--- /dev/null
+++ b/platform/www/lib/plugins/refnotes/instructions.php
@@ -0,0 +1,318 @@
+<?php
+
+/**
+ * Plugin RefNotes: Handling of instruction array
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Mykola Ostrovskyy <dwpforge@gmail.com>
+ */
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_instruction {
+
+    protected $data;
+
+    /**
+     * Constructor
+     */
+    public function __construct($name, $data, $offset = -1) {
+        $this->data = array($name, $data, $offset);
+    }
+
+    /**
+     *
+     */
+    public function getData() {
+        return $this->data;
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_nest_instruction extends refnotes_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($data) {
+        parent::__construct('nest', array($data));
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_plugin_instruction extends refnotes_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($name, $data, $type, $text, $offset = -1) {
+        parent::__construct('plugin', array($name, $data, $type, $text), $offset);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_notes_instruction extends refnotes_plugin_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($type, $attributes, $data = NULL) {
+        $pluginData[0] = $type;
+        $pluginData[1] = $attributes;
+
+        if (!empty($data)) {
+            $pluginData[2] = $data;
+        }
+
+        parent::__construct('refnotes_notes', $pluginData, DOKU_LEXER_SPECIAL, '');
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_notes_style_instruction extends refnotes_notes_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($namespace, $data) {
+        parent::__construct('style', array('ns' => $namespace), $data);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_notes_map_instruction extends refnotes_notes_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($namespace, $data) {
+        parent::__construct('map', array('ns' => $namespace), $data);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_notes_render_instruction extends refnotes_notes_instruction {
+
+    /**
+     * Constructor
+     */
+    public function __construct($namespace) {
+        parent::__construct('render', array('ns' => $namespace));
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_instruction_reference {
+
+    private $list;
+    private $data;
+    private $index;
+    private $name;
+
+    /**
+     * Constructor
+     */
+    public function __construct($list, &$data, $index) {
+        $this->list = $list;
+        $this->data =& $data;
+        $this->index = $index;
+        $this->name = ($data[0] == 'plugin') ? 'plugin_' . $data[1][0] : $data[0];
+    }
+
+    /**
+     *
+     */
+    public function getIndex() {
+        return $this->index;
+    }
+
+    /**
+     *
+     */
+    public function getName() {
+        return $this->name;
+    }
+
+    /**
+     *
+     */
+    public function getData($index) {
+        return $this->data[1][$index];
+    }
+
+    /**
+     *
+     */
+    public function getPluginData($index) {
+        return $this->data[1][1][$index];
+    }
+
+    /**
+     *
+     */
+    public function setPluginData($index, $data) {
+        $this->data[1][1][$index] = $data;
+    }
+
+    /**
+     *
+     */
+    public function unsetPluginData($index) {
+        unset($this->data[1][1][$index]);
+    }
+
+    /**
+     *
+     */
+    public function getRefnotesAttribute($name) {
+        return array_key_exists($name, $this->data[1][1][1]) ? $this->data[1][1][1][$name] : '';
+    }
+
+    /**
+     *
+     */
+    public function setRefnotesAttribute($name, $value) {
+        $this->data[1][1][1][$name] = $value;
+    }
+
+    /**
+     *
+     */
+    public function unsetRefnotesAttribute($name) {
+        unset($this->data[1][1][1][$name]);
+    }
+
+    /**
+     *
+     */
+    public function getPrevious() {
+        return $this->list->getAt($this->index - 1);
+    }
+
+    /**
+     *
+     */
+    public function insertBefore($call) {
+        return $this->list->insert($this->index, $call);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class refnotes_instruction_list implements Iterator {
+
+    private $event;
+    private $index;
+    private $extraCalls;
+
+    /**
+    * Constructor
+    */
+    public function __construct($event) {
+        $this->event = $event;
+        $this->index = 0;
+        $this->extraCalls = array();
+    }
+
+    /**
+     * Implementation of Iterator interface
+     */
+    public function rewind() {
+        $this->index = 0;
+    }
+
+    /**
+     * Implementation of Iterator interface
+     */
+    public function current() {
+        return new refnotes_instruction_reference($this, $this->event->data->calls[$this->index], $this->index);
+    }
+
+    /**
+     * Implementation of Iterator interface
+     */
+    public function key() {
+        return $this->index;
+    }
+
+    /**
+     * Implementation of Iterator interface
+     */
+    public function next() {
+        ++$this->index;
+    }
+
+    /**
+     * Implementation of Iterator interface
+     */
+    public function valid() {
+        return array_key_exists($this->index, $this->event->data->calls);
+    }
+
+    /**
+     *
+     */
+    public function getAt($index) {
+        return new refnotes_instruction_reference($this, $this->event->data->calls[$index], $index);
+    }
+
+    /**
+     *
+     */
+    public function insert($index, $call) {
+        $this->extraCalls[$index][] = $call;
+    }
+
+    /**
+     *
+     */
+    public function append($call) {
+        $this->extraCalls[count($this->event->data->calls)][] = $call;
+    }
+
+    /**
+     *
+     */
+    public function applyChanges() {
+        if (empty($this->extraCalls)) {
+            return;
+        }
+
+        ksort($this->extraCalls);
+
+        $calls = array();
+        $prevIndex = 0;
+
+        foreach ($this->extraCalls as $index => $extraCalls) {
+            if ($prevIndex < $index) {
+                $slice = array_slice($this->event->data->calls, $prevIndex, $index - $prevIndex);
+                $calls = array_merge($calls, $slice);
+            }
+
+            foreach ($extraCalls as $call) {
+                $calls[] = $call->getData();
+            }
+
+            $prevIndex = $index;
+        }
+
+        $callCount = count($this->event->data->calls);
+
+        if ($prevIndex < $callCount) {
+            $slice = array_slice($this->event->data->calls, $prevIndex, $callCount - $prevIndex);
+            $calls = array_merge($calls, $slice);
+        }
+
+        $offset = $this->event->data->calls[$callCount - 1][2];
+
+        for ($i = count($calls) - 1; $i >= 0; --$i) {
+            if ($calls[$i][2] == -1) {
+                $calls[$i][2] = $offset;
+            }
+            else {
+                $offset = $calls[$i][2];
+            }
+        }
+
+        $this->event->data->calls = $calls;
+        $this->extraCalls = array();
+    }
+}