代码格式化 JAVA c# CodeFormat

news/2024/11/9 12:15:50

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;

namespace jsCodeFormater
{
    /// <summary>
    /// 代码格式化工具 V 0.1
    /// Author:hcmfys@163.com 小光棍
    /// 2008-11-11 光棍节
    /// 还有错误
    /// </summary>
    public class CodeFormater
    {
        private Hashtable _choiceElement;
        private Hashtable _singleEyeElement;
        private Hashtable _quotation;
        private Hashtable _function;
        private Hashtable _blockElement;

        private int _tabNum = 0;
        private string _wordDelimiters = "　 ,.?!;:\\/<>(){}[]\"'\r\n\t=+-|*%@#$^&";
        private bool _deleteComment = false;
        //是否大小写敏感
        private bool _caseSensitive = true;
        //本行括号内分号不做换行
        private string _isFor = "for";
        private string _beginBlock = "{";
        private string _endBlock = "}";
        //得到分割字符
        //引用字符
        //行注释字符
        private string _lineComment = "//";
        //转义字符
        private string _escape = "\\";
        //多行引用开始
        private string _commentOn = "/*";
        //多行引用结束
        private string _commentOff = "*/";
        //行结束词
        private string _rowEnd = ";";
        private string _in = "in";
        private bool isCompress = false;
        private int style = 0;


        private bool quote_opened = false;    //引用标记
        private bool slash_slash_comment_opened = false;    //单行注释标记
        private int line_num = 1;        //行号
        private string quote_char = "";       //引用标记类型

 

        private bool slash_star_comment_opened = false;
        private string _ignore = "";


        public string CodeFormat(string code)
        {

            bool bracket_open = false;
            bool for_open = false;
            bool function_opened = false;

            //可以后面加块语句的关键字
            this._blockElement = this.str2hashtable("switch,if,while,try,finally");
            //是函数申明
            this._function = this.str2hashtable("function");
            this._choiceElement = this.str2hashtable("else,catch");
            this._singleEyeElement = this.str2hashtable("var,new,return,else,delete,in,case");
            this._quotation = this.str2hashtable("\",'");

            ArrayList codeArr = new ArrayList();

            int word_index = 0;
            StringBuilder htmlTxt = new StringBuilder();

            if (this.isCompress)
            {
                this._deleteComment = true;
            }

            // codeArr.Capacity = code.Length;
            //得到分割字符数组(分词)
            for (int i = 0; i < code.Length; i++)
            {

                if (this._wordDelimiters.ToString().IndexOf(code.Substring(i, 1)) == -1)
                {        //找不到关键字
                    if (word_index == 0 || codeArr[word_index] == null)
                    {
                        // codeArr[word_index] = "";
                        codeArr.Add("");
                    }
                    codeArr.Add("");
                    codeArr[word_index] += code.Substring(i, 1);

                }
                else
                {
                    if (!string.IsNullOrEmpty(codeArr[word_index] + "") && codeArr[word_index].ToString().Length > 0)
                    {
                        word_index++;
                        codeArr.Add("");
                    }
                    codeArr[word_index++] = code.Substring(i, 1);
                    // codeArr.Add(code.Substring(i, 1));
                }
            }


            //按分割字，分块显示
            for (int i = 0; i < word_index; i++)
            {
                //处理空行（由于转义带来）
                if (string.IsNullOrEmpty(codeArr[i] + "") || codeArr[i].ToString().Length == 0)
                {
                    continue;
                }
                else if (codeArr[i].ToString() == " " || codeArr[i].ToString() == "\t")
                {
                    if (slash_slash_comment_opened || slash_star_comment_opened)
                    {
                        if (!this._deleteComment)
                        {
                            htmlTxt.Append(codeArr[i]);
                        }
                    }
                    if (quote_opened)
                    {
                        htmlTxt.Append(codeArr[i]);
                    }
                }
                else if (codeArr[i].ToString() == "\n")
                {
                    //处理换行
                }
                else if (codeArr[i].ToString() == "\r")
                {
                    slash_slash_comment_opened = false;
                    quote_opened = false;
                    line_num++;
                    if (!this.isCompress)
                    {
                        htmlTxt.Append("\r\n" + this.getIdent());
                    }
                    //处理function里的参数标记
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && isFunction(codeArr[i].ToString()))
                {
                    htmlTxt.Append(codeArr[i]);
                    function_opened = true;
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == this._isFor)
                {
                    htmlTxt.Append(codeArr[i]);
                    for_open = true;
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == "(")
                {
                    bracket_open = true;
                    htmlTxt.Append(codeArr[i]);
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == ")")
                {
                    bracket_open = false;
                    htmlTxt.Append(codeArr[i]);
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == this._rowEnd)
                {
                    if (!this.isCompress)
                    {
                        if (!for_open)
                        {
                            if (i < word_index && (codeArr[i + 1].ToString() != "\r" && codeArr[i + 1].ToString() != "\n"))
                            {
                                htmlTxt.Append(codeArr[i] + "\n" + this.getIdent());
                            }
                            else
                            {
                                htmlTxt.Append(codeArr[i] + this.getIdent());
                            }
                        }
                        else
                        {
                            htmlTxt.Append(codeArr[i]);
                        }
                    }
                    else
                    {
                        htmlTxt.Append(codeArr[i]);
                    }
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == this._beginBlock)
                {
                    for_open = false;
                    if (!this.isCompress)
                    {
                        switch (this.style)
                        {
                            case 0:
                                this._tabNum++;
                                htmlTxt.Append(codeArr[i] + "\n" + this.getIdent());
                                break;
                            case 1:
                                htmlTxt.Append("\n" + this.getIdent());
                                this._tabNum++;
                                htmlTxt.Append(codeArr[i] + "\n" + this.getIdent());
                                break;
                            default:
                                this._tabNum++;
                                htmlTxt.Append(codeArr[i]);
                                break;

                        }
                    }
                    else
                    {
                        htmlTxt.Append(codeArr[i]);
                    }

                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && codeArr[i].ToString() == this._endBlock)
                {
                    if (!this.isCompress)
                    {
                        this._tabNum--;
                        if (i < word_index && codeArr[i + 1].ToString() != this._rowEnd)
                        {
                            htmlTxt.Append("\n" + this.getIdent() + codeArr[i]);
                        }
                        else
                        {
                            htmlTxt.Append("\n" + this.getIdent() + codeArr[i]);
                        }
                    }
                    else
                    {
                        if (i < word_index && codeArr[i + 1].ToString() != this._rowEnd)
                        {
                            htmlTxt.Append(codeArr[i] + this._rowEnd);
                        }
                        else
                        {
                            htmlTxt.Append(codeArr[i]);
                        }
                    }
                    //处理关键字
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && isBlockElement(codeArr[i].ToString()))
                {
                    htmlTxt.Append(codeArr[i]);
                    //处理内置对象(后面加一个空格)
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && isSingleEyeElement(codeArr[i].ToString()))
                {
                    if (codeArr[i].ToString() == this._in)
                    {
                        htmlTxt.Append(" ");
                    }
                    htmlTxt.Append(codeArr[i] + " ");
                    //处理双引号（引号前不能为转义字符）   
                }
                else if (!slash_star_comment_opened && !slash_slash_comment_opened && _quotation.Contains(codeArr[i]))
                {
                    if (quote_opened)
                    {
                        //是相应的引号
                        if (quote_char == codeArr[i].ToString())
                        {
                            htmlTxt.Append(codeArr[i]);
                            quote_opened = false;
                            quote_char = "";
                        }
                        else
                        {
                            htmlTxt.Append(codeArr[i]);
                        }
                    }
                    else
                    {
                        htmlTxt.Append(codeArr[i]);
                        quote_opened = true;
                        quote_char = codeArr[i] + "";
                    }
                    //处理转义字符
                }
                else if (codeArr[i].ToString() == this._escape)
                {
                    htmlTxt.Append(codeArr[i]);
                    if (i < word_index - 1)
                    {
                        if (char.Parse(codeArr[i + 1].ToString().Trim()) >= 32 && char.Parse(codeArr[i + 1].ToString().Trim()) <= 127)
                        {
                            htmlTxt.Append(codeArr[i + 1].ToString().Substring(0, 1));
                            htmlTxt.Append(codeArr[i + 1].ToString().Substring(0, 1));
                            i = i + 1;
                        }
                    }
                    //处理多行注释的开始
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened &&
                    isStartWith(_commentOn, codeArr, i))
                {
                    slash_star_comment_opened = true;
                    if (!this._deleteComment)
                    {
                        htmlTxt.Append(this._commentOn);
                    }
                    i = i + this.getSkipLength(this._commentOn);
                    //处理单行注释
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !
                    quote_opened && isStartWith(_lineComment, codeArr, i))
                {
                    slash_slash_comment_opened = true;
                    if (!this._deleteComment)
                    {
                        htmlTxt.Append(this._lineComment);
                    }
                    i = i + this.getSkipLength(this._lineComment);
                    //处理忽略词
                }
                else if (!slash_slash_comment_opened && !slash_star_comment_opened && !quote_opened && isStartWith(this._ignore, codeArr, i))
                {
                    slash_slash_comment_opened = true;
                    htmlTxt.Append(this._ignore);
                    i = i + this.getSkipLength(this._ignore);
                    //处理多行注释结束   
                }
                else if (!quote_opened && !slash_slash_comment_opened && isStartWith(_commentOff, codeArr, i))
                {
                    if (slash_star_comment_opened)
                    {
                        slash_star_comment_opened = false;
                        if (!this._deleteComment)
                        {
                            htmlTxt.Append(this._commentOff);
                        }
                        i = i + this.getSkipLength(this._commentOff);
                    }
                }
                else
                {
                    //不是在字符串中
                    if (!quote_opened)
                    {
                        //如果不是在注释重
                        if (!slash_slash_comment_opened && !slash_star_comment_opened)
                        {
                            htmlTxt.Append(codeArr[i]);
                            //注释中                           
                        }
                        else
                        {
                            if (!this._deleteComment)
                            {
                                htmlTxt.Append(codeArr[i]);
                            }
                        }
                    }
                    else
                    {
                        htmlTxt.Append(codeArr[i]);
                    }

                }

            }

            return htmlTxt.ToString();
        }


        private Hashtable str2hashtable(string str)
        {
            Hashtable ht = new Hashtable();
            string[] strArray = str.Split(',');
            foreach (string _str in strArray)
            {
                ht.Add(_str, _str);
            }
            return ht;

        }


        private bool isStartWith(string str, ArrayList code, int index)
        {

            if (!string.IsNullOrEmpty(str) && str.Length > 0)
            {
                StringBuilder cc = new StringBuilder();
                for (int i = index; i < index + str.Length; i++)
                {
                    cc.Append(code[i]);
                }

                string c = cc.ToString();
                if (this._caseSensitive)
                {
                    if (str.Length >= cc.Length && c.IndexOf(str) == 0)
                    {
                        return true;
                    }
                }
                else
                {
                    if (str.Length >= cc.Length && c.ToLower().IndexOf(str.ToLower()) == 0)
                    {
                        return true;
                    }
                }
                return false;

            }
            else
            {
                return false;
            }
        }


        private bool isFunction(string val)
        {
            return this._function.Contains((this._caseSensitive ? val : val.ToLower()));
        }

        private bool isBlockElement(string val)
        {
            return this._blockElement.Contains(this._caseSensitive ? val : val.ToLower());
        }

        private bool isChoiceElement(string val)
        {
            return this._choiceElement.Contains(this._caseSensitive ? val : val.ToLower());
        }

        private bool isSingleEyeElement(string val)
        {
            return this._singleEyeElement.Contains(this._caseSensitive ? val : val.ToLower());
        }

        private bool isNextElement(int from, string word)
        {
            for (int i = from; i < word.Length; i++)
            {
                if (word[i] != ' ' && word[i] != '\t' && word[i] != '\r' && word[i] != '\n')
                {
                    return this.isChoiceElement(word[i] + "");
                }
            }
            return false;
        }


        private int getSkipLength(string val)
        {
            int count = 0;
            for (int i = 0; i < val.Length; i++)
            {
                if (this._wordDelimiters.IndexOf(val.Substring(i, 1)) >= 0)
                {
                    count++;
                }
            }
            if (count > 0)
            {
                count = count - 1;
            }
            return count;
        }


        private string getIdent()
        {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < this._tabNum; i++)
            {
                sb.Append("\t");
            }
            return sb.ToString();
        }
    }

}

 

http://www.niftyadmin.cn/n/3711236.html

相关文章

VC++屏幕抓词的技术实现

VC++屏幕抓词的技术实现

屏幕上的文字大都是由gdi32.dll的以下几个函数显示的&#xff1a;TextOutA、TextOutW、ExtTextOutA、ExtTextOutW。实现屏幕抓词的关键就是截获对这些函数的调用&#xff0c;得到程序发给它们的参数。 我的方法有以下三个步骤&#xff1a; 一、得到鼠标的当前位置 通过SetWindo…
阅读更多...
jdk 1.6

jdk 1.6

JDK1.6官方下载_JDK6官方下载地址:http://www.java.net/download/jdk6/6u10/promoted/b32/binaries/jdk-6u10-rc2-bin-b32-windows-i586-p-12_sep_2008.exe JDK6 API CHM中文参考下载: JDK6API中文参考070114.rar :http://chinesedocument.com/upimg/soft/JDK6API中文参考0701…
阅读更多...
全国邮政编码

全国邮政编码

最近看到有些网站有很全面的邮政编码的查询&#xff0c;能够查到村&#xff0c;乡&#xff0c;很全面的&#xff0c;可是网上是很难下载到那种数据库&#xff0c; 我以前的同事下载了一个&#xff0c;可是叫他给我发过过来&#xff0c;求了他好久&#xff0c;他还是不肯,没办法…
阅读更多...
WM_COMMAND

WM_COMMAND

WM_COMMAND & WM_SYSCOMMAND 对于菜单、加速键来说&#xff0c;点击后Windows会都会向它们所属的窗体发送WM_COMMAND消息。除了菜单、加速键&#xff0c;一些子窗体也会引发这些消息。例如对话框中的按钮或者工具栏中按钮(控件发通…
阅读更多...
apache2.2.6配置PHP5.2.4解说[转]

apache2.2.6配置PHP5.2.4解说[转]

忙乎了一个通宵,没搞定Apache 2.2.6配置PHP 5.24的环境,到处gg来的信息,也都是空谈,毫无见效.发现Apache新版把一些配置分开了,分别由几个conf文件分担,各司其职,并且加强了proxy的性能.现在就讲讲在Apache2.2.6中配置php5.24的环境吧.首先假设php5的文件是C:\PHP中httpd.conf中…
阅读更多...
如何充分利用C#匿名方法的平台优势

如何充分利用C#匿名方法的平台优势

C# 1.1里&#xff0c;声明和使用委托要求你有委托和一个在委托被触发时具有匹配签名的能够执行的方法&#xff0c;以及一个将命名方法与委托关联的分配语句。作为C# 2.0的新特性&#xff0c;匿名方法基本上能够提供与先前命名方法相同的功能&#xff0c;但是它已经不再需要一个…
阅读更多...
【转】论函数调用约定

【转】论函数调用约定

假设我们有这样的一个函数&#xff1a; int function(int a,int b) 调用时只要用result function(1,2)这样的方式就可以使用这个函数。但是&#xff0c;当高级语言被编译成计算机可以识别的机器码时&#xff0c;有一个问题就凸现出来&#xff1a;在CPU中&#xff0c;计算 机…
阅读更多...
Microsoft C 和 C++ 编译器与链接器

Microsoft C 和 C++ 编译器与链接器

CL.exe 是控制 Microsoft C 和 C 编译器与链接器的 32 位工具。编译器产生通用对象文件格式 (COFF) 对象 (.obj) 文件。链接器产生可执行文件 (.exe) 或动态链接库文件 (DLL)。 注意&#xff0c;所有编译器选项都区分大小写。 若要编译但不链…
阅读更多...
最新文章

Copyright @ 2022~2023