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extend/SensitiveHelper/HashMap.php

@@ -0,0 +1,179 @@
+<?php
+declare (strict_types = 1);
+/**
+ * php构建哈希表类.
+ * User: Lustre
+ * Date: 17/3/9
+ * Time: 上午9:10
+ **/
+
+namespace SensitiveHelper;
+
+class HashMap
+{
+    /**
+     * 哈希表变量
+     *
+     * @var array|null
+     */
+    protected $hashTable = array();
+
+    public function __construct()
+    {}
+
+    /**
+     * 向HashMap中添加一个键值对
+     *
+     * @param $key
+     * @param $value
+     * @return mixed|null
+     */
+    public function put($key, $value)
+    {
+        if (!array_key_exists($key, $this->hashTable)) {
+            $this->hashTable[$key] = $value;
+            return null;
+        }
+        $_temp = $this->hashTable[$key];
+        $this->hashTable[$key] = $value;
+        return $_temp;
+    }
+
+    /**
+     * 根据key获取对应的value
+     *
+     * @param $key
+     * @return mixed|null
+     */
+    public function get($key)
+    {
+        if (array_key_exists($key, $this->hashTable)) {
+            return $this->hashTable[$key];
+        }
+        return null;
+    }
+
+    /**
+     * 删除指定key的键值对
+     *
+     * @param $key
+     * @return mixed|null
+     */
+    public function remove($key)
+    {
+        $temp_table = array();
+        if (array_key_exists($key, $this->hashTable)) {
+            $tempValue = $this->hashTable[$key];
+            while ($curValue = current($this->hashTable)) {
+                if (!(key($this->hashTable) == $key)) {
+                    $temp_table[key($this->hashTable)] = $curValue;
+                }
+                next($this->hashTable);
+            }
+            $this->hashTable = null;
+            $this->hashTable = $temp_table;
+            return $tempValue;
+        }
+        return null;
+    }
+
+    /**
+     * 获取HashMap的所有键值
+     *
+     * @return array
+     */
+    public function keys()
+    {
+        return array_keys($this->hashTable);
+    }
+
+    /**
+     * 获取HashMap的所有value值
+     *
+     * @return array
+     */
+    public function values()
+    {
+        return array_values($this->hashTable);
+    }
+
+    /**
+     * 将一个HashMap的值全部put到当前HashMap中
+     *
+     * @param \DfaFilter\HashMap $map
+     */
+    public function putAll($map)
+    {
+        if (!$map->isEmpty() && $map->size() > 0) {
+            $keys = $map->keys();
+            foreach ($keys as $key) {
+                $this->put($key, $map->get($key));
+            }
+        }
+
+        return;
+    }
+
+    /**
+     * 移除HashMap中所有元素
+     *
+     * @return bool
+     */
+    public function removeAll()
+    {
+        $this->hashTable = null;
+        return true;
+    }
+
+    /**
+     * 判断HashMap中是否包含指定的值
+     *
+     * @param $value
+     * @return bool
+     */
+    public function containsValue($value)
+    {
+        while ($curValue = current($this->hashTable)) {
+            if ($curValue == $value) {
+                return true;
+            }
+            next($this->hashTable);
+        }
+        return false;
+    }
+
+    /**
+     * 判断HashMap中是否包含指定的键key
+     *
+     * @param $key
+     * @return bool
+     */
+    public function containsKey($key)
+    {
+        if (array_key_exists($key, $this->hashTable)) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * 获取HashMap中元素个数
+     *
+     * @return int
+     */
+    public function size()
+    {
+        return count($this->hashTable);
+    }
+
+    /**
+     * 判断HashMap是否为空
+     *
+     * @return bool
+     */
+    public function isEmpty()
+    {
+        return (count($this->hashTable) == 0);
+    }
+}