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自定义sublime text 3插件

Mar 20, 2017 pm 02:47 PM
plug-incustomize

上次写了关于sublime text 3自定义插件的步骤, 只能说起到一个抛砖引玉的作用, 并不具备多少实际功能, 这次我将结合最近工作的需要, 介绍如何将php代码格式工具php cs fixer 集成sublimetext 3中, 作为你的插件格式化php代码

首先我们需要安装 php cs fixer,下载 php-cs-fixer.phar

wget http://get.sensiolabs.org/php-cs-fixer.phar -O php-cs-fixersudo mv php-cs-fixer.phar /usr/local/bin/phpcssudo chmod +x /usr/local/bin/phpcs

接下来验证一下是否安装成功:

phpcs

显示:

Usage:  help [options] [--] []

则表明anything OK

说一下这个插件的目标:

  1. 保存文件时自动格式化php文件

  2. 组合键格式化php文件


首先需要一个sublime command,

class MikeCommand(sublime_plugin.TextCommand):    def run(self, edit):

在 run 方法中, 调用 phpcs命令格式化php文件

class MikeCommand(sublime_plugin.TextCommand):    def run(self, edit):        view = self.view;        fileName = view.file_name();        suffix =  os.path.splitext(fileName)[1][1:]        if suffix == 'php':            fix(fileName)def fix(phpFile):    if not os.path.exists(phpFile):        return;    command = 'phpcs fix ' + phpFile;    os.system(command);

因为在keymap文件中配置过组合键:

[    {        "keys": [            "ctrl+alt+k"        ],        "command": "mike"    }]

所以当我 使用 ctrl+alt+k 时代码便自动格式化

那么如何在自动保存是去执行响应的命令呢? sublime text 3 api 提供了EventListener, 因此我们定义class 继承自sublime_plugin.EventListener, 然后监听响应的事件即可:

class AutoAlign(sublime_plugin.EventListener):    def on_post_save(self, view):        fileName = view.file_name();        suffix =  os.path.splitext(fileName)[1][1:]        if suffix == 'php':            fix(fileName)

关于更多事件类型, 请参考EventListener

到现在, 一开始的两个目标都已经实现了, 我们可以看一下效果:

没有代码风格的php文件:

 $value) {        $ids = explode(',', $value);    asort($ids);        $fullPermutation[$key] = md5(implode(',', $ids));    }    return $fullPermutation;}

ctrl+alt+k 或 ctrl+s后的文件:

 $value) {        $ids = explode(',', $value);        asort($ids);        $fullPermutation[$key] = md5(implode(',', $ids));    }    return $fullPermutation;}

php-cs 默认是遵循 PSR-2 的编码规范的, 但是也可以通过指定参数设置代码风格

但是这里存在另外一个问题, 所有的执行都是在主线程里面, 那么整体就会很卡, 我们需要在这种计算提取到额外的线程里面.

class HandlerThread(threading.Thread):    def __init__(self, view):        self.view = view        threading.Thread.__init__(self)    def run(self):        fileName = self.view.file_name();        suffix =  os.path.splitext(fileName)[1][1:]        if suffix == 'php':            fix(fileName)

那么更改监听 ctrl+s 的实现方式:

class AutoAlign(sublime_plugin.EventListener):    def on_post_save(self, view):        thread = HandlerThread(view)        thread.start()

因为sublime text 3的api是用pyhton 3写的, 所以我们的实现都是使用的python 3.在使用 threading.Thread, os.path.splitext, os.system时要记得引入相应的package.

import osimport os.pathimport threading

至此所有的工作皆已完成, 又可以愉快的写php了!

很多时候语言只是一种工具, 重要的还是想法,思路.我们知道我们可以创造很多新奇的东西, 但是我们却不知道idea从何而来.只有不断的积累学习, 眼界开阔之后, 你才会看到和想到更多.才能创造属于我们的价值~

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