add: 新增hosts manage类

src/siam/HostsManage.php

@@ -0,0 +1,127 @@
+<?php
+
+namespace Siam;
+
+
+class HostsManage {
+    // hosts 文件路径
+    protected $file;
+    // hosts 记录数组
+    protected $hosts = array();
+    // 配置文件路径，默认为 __FILE__ . '.ini';
+    protected $configFile;
+    // 从 ini 配置文件读取出来的配置数组
+    protected $config = array();
+    // 配置文件里面需要配置的域名
+    protected $domain = array();
+    // 配置文件获取的 ip 数据
+    protected $ip = array();
+    public function __construct($file, $config_file = null) {
+        $this->file = $file;
+        if ($config_file) {
+            $this->configFile = $config_file;
+        } else {
+            $this->configFile = __FILE__ . '.ini';
+        }
+        $this->initHosts()
+            ->initCfg();
+    }
+    public function __destruct() {
+        $this->write();
+    }
+    public function initHosts() {
+        $lines = file($this->file);
+        foreach ($lines as $line) {
+            $line = trim($line);
+            if (empty($line) || $line[0] == '#') {
+                continue;
+            }
+            $item = preg_split('/\s+/', $line);
+            $this->hosts[$item[1]] = $item[0];
+        }
+        return $this;
+    }
+    public function initCfg() {
+        if (! file_exists($this->configFile)) {
+            $this->config = array();
+        } else {
+            $this->config = (parse_ini_file($this->configFile, true));
+        }
+        $this->domain = array_keys($this->config['domain'] ?? []);
+        $this->ip = $this->config['ip']?? "";
+        return $this;
+    }
+    /**
+     * 删除配置文件里域的 hosts
+     */
+    public function delAllGroup() {
+        foreach ($this->domain as $domain) {
+            $this->delRecord($domain);
+        }
+    }
+    /**
+     * 将域配置为指定 ip
+     * @param string $env
+     * @return static
+     */
+    public function addGroup($env) {
+        if (! isset($this->ip[$env])) {
+            return $this;
+        }
+        foreach ($this->domain as $domain) {
+            $this->addRecord($domain, $this->ip[$env]);
+        }
+        return $this;
+    }
+
+    /**
+     * 添加一条 host 记录
+     * @param string $domain
+     * @param string $ip
+     * @return HostsManage
+     */
+    function addRecord($domain, $ip) {
+        $this->hosts[$domain] = $ip;
+        return $this;
+    }
+
+    /**
+     * 删除一条 host 记录
+     * @param string $domain
+     * @return HostsManage
+     */
+    function delRecord($domain) {
+        unset($this->hosts[$domain]);
+        return $this;
+    }
+    /**
+     * 写入 host 文件
+     */
+    public function write() {
+        $str = '';
+        foreach ($this->hosts as $domain => $ip) {
+            $str .= $ip . "\t" . $domain . PHP_EOL;
+        }
+        file_put_contents($this->file, $str);
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getHosts(): array
+    {
+        return $this->hosts;
+    }
+
+    /**
+     * @param array $hosts
+     */
+    public function setHosts(array $hosts)
+    {
+        $this->hosts = $hosts;
+    }
+
+
+
+}