Mustache for PHP 性能優化

由於工作需要,一直在對mustahce php 進行性能分析  翻閱了很多帖子, 最後看到魯塔弗 的一篇分析   http://lutaf.com/186.htm  

    最後 和這位 大神 交流了一下 ,最後的解決思路是這樣的:

1.是限定5合一語法,只用其中一種定義,這樣可以消除 RTTI
2. 參考smarty的代碼,改寫mustache渲染方式,把模板翻譯成內嵌 php的html,不用調用findVariableInStack 也不用各種 “."

第一個方法裏面在公司自己的項目不太可行。必須要保證原來代碼的可用。

主要是第二條,最近一直在忙於實現該方法  。
 使用java  類似編譯的方法,

現在只實現了 對{{{}}}、{{}}、{{#}}、{{\}}



import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MyPHPTransmiter {
	public String translate() throws IOException {
		Reader re = new FileReader(new File("D://a.txt"));
		BufferedReader br = new BufferedReader(re);
		StringBuffer sb = new StringBuffer();
		String temp = null;
		while ((temp = br.readLine()) != null) {
			sb.append(temp + "\n");
		}
		// System.out.println(sb);
		br.close();
		re.close();
		return sb.toString();
	}

	public void executeString() {
		String inputString = null;
		try {
			inputString = translate();
		} catch (IOException e) {
			e.printStackTrace();
		}
		StringBuffer sb = new StringBuffer();
		List<String> list = new ArrayList<String>();
		int startposition = 0;
		int endposition = 0;
		int oldpostion = 0;
		String infoString = null;
		int listsize = 0;
		while ((startposition = inputString.indexOf("{{", startposition)) > 0) {

			char temp = inputString.charAt(startposition + 2);
			 if(startposition!=endposition)
				 sb.append("echo '"+ inputString.substring(endposition,
				 startposition) +"';\n");
			switch (temp) {
			case '#':
				infoString = getInfoString(inputString, startposition + 3);
				list.add(infoString);
				listsize = list.size();
				sb.append("switch (testType($value" + (listsize - 1) + ",'"
						+ infoString + "')) \n" + "{\n"
						+ "case 0: break; //不存在\n" + "case 1://method\n"
						+ "break;\n" + "case 2://屬性\n" + "break;\n"
						+ "case 3://數組\n" + "break;\n" + "case 4://數組\n"
						+ "$value" + (listsize) + " = $value" + (listsize - 1)
						+ "['" + infoString + "'];\n" + "$values" + (listsize)
						+ " = isIterable($value" + (listsize) + ") ? $value"
						+ listsize + " : array($value" + listsize + ");\n"
						+ "foreach ($values" + listsize + " as $value"
						+ listsize + ")\n" + "{\n");
				break;
			case '/':
				infoString = getInfoString(inputString, startposition + 3);
				
				if(list.contains(infoString)){
					sb.append("}\n}\n");
					list.remove(list.size() - 1);
				}
				
				
				// System.out.println(getInfoString(inputString,
				// startposition+3));
				break;
			case '^':
				// System.out.println(getInfoString(inputString,
				// startposition+3));
				break;
			case '{':
				infoString = getInfoString(inputString, startposition + 3);
				listsize = list.size();
				sb.append("switch (testType($value" + listsize + ",'"
						+ infoString + "'))\n" + " {\n"
						+ " case 0: break; //不存在\n" + " case 1://method\n"
						+ "  break;\n" + "case 2://屬性\n" + "   outer ($value"
						+ listsize + "['" + infoString + "']);\n"
						+ "  break;\n" + "case 3://數組\n" + "   break;\n"
						+ " case 4:\n" + "   outer ($value" + listsize + "['"
						+ infoString + "']);\n" + "  break;\n" + "  }\n");
				break;
			default:
				infoString = getInfoString(inputString, startposition + 2);
				listsize = list.size();
				sb.append("switch (testType($value" + listsize + ",'"
						+ infoString + "'))\n" + " {\n"
						+ " case 0: break; //不存在\n" + " case 1://method\n"
						+ "  break;\n" + "case 2://屬性\n" + "   echo ($value"
						+ listsize + "['" + infoString + "']);\n"
						+ "  break;\n" + "case 3://數組\n" + "   break;\n"
						+ " case 4:\n" + "   echo ($value" + listsize + "['"
						+ infoString + "']);\n" + "  break;\n" + "  }\n");

				break;
			}
			endposition = inputString.indexOf("}}", startposition)+2;
			startposition += 2;
		}
		sb.append(inputString.substring(endposition));
		System.out.println(sb.toString());
	}

	private String getInfoString(String source, int startposition) {
		int endposition = source.indexOf("}}", startposition);
		return source.substring(startposition, endposition);
	}

	public static void main(String[] args) {
		MyPHPTransmiter ss = new MyPHPTransmiter();
		ss.executeString();

	}
}

測試模板:
 {{#searchForm}}
    <form action="{{action}}" method="get" target="_parent" class="search-form">
        {{#hiddenFields}}
        <input type="hidden" name="{{name}}" value="{{value}}">
        {{/hiddenFields}}
        {{#input}}
        <input class="search-input" type="search" name="{{name}}" dvalue="{{dvalue}}" value="{{value}}" tabindex="1" id="keywords" qs_url="{{{qsUrl}}}" autocomplete="off" lang="{{lang}}">
        {{/input}}
        <button class="search-button" type="submit">{{buttonText}}</button>
    </form>
    {{/searchForm}}

翻譯之後的:

echo '    ';
switch (testType($value0,'searchForm'))
{
    case 0: break; //不存在
    case 1://method
        break;
    case 2://屬性
        break;
    case 3://數組
        break;
    case 4://數組
        $value1 = $value0['searchForm'];
        $values1 = isIterable($value1) ? $value1 : array($value1);
        foreach ($values1 as $value1)
        {
            echo '
    <form action="';
            switch (testType($value1,'action'))
            {
                case 0: break; //不存在
                case 1://method
                    break;
                case 2://屬性
                    echo ($value1['action']);
                    break;
                case 3://數組
                    break;
                case 4:
                    echo ($value1['action']);
                    break;
            }
            echo '" method="get" target="_parent" class="search-form">
        ';
            switch (testType($value1,'hiddenFields'))
            {
                case 0: break; //不存在
                case 1://method
                    break;
                case 2://屬性
                    break;
                case 3://數組
                    break;
                case 4://數組
                    $value2 = $value1['hiddenFields'];
                    $values2 = isIterable($value2) ? $value2 : array($value2);
                    foreach ($values2 as $value2)
                    {
                        echo '
        <input type="hidden" name="';
                        switch (testType($value2,'name'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['name']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['name']);
                                break;
                        }
                        echo '" value="';
                        switch (testType($value2,'value'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['value']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['value']);
                                break;
                        }
                        echo '">
        ';
                    }
            }
            echo '
        ';
            switch (testType($value1,'input'))
            {
                case 0: break; //不存在
                case 1://method
                    break;
                case 2://屬性
                    break;
                case 3://數組
                    break;
                case 4://數組
                    $value2 = $value1['input'];
                    $values2 = isIterable($value2) ? $value2 : array($value2);
                    foreach ($values2 as $value2)
                    {
                        echo '
        <input class="search-input" type="search" name="';
                        switch (testType($value2,'name'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['name']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['name']);
                                break;
                        }
                        echo '" dvalue="';
                        switch (testType($value2,'dvalue'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['dvalue']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['dvalue']);
                                break;
                        }
                        echo '" value="';
                        switch (testType($value2,'value'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['value']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['value']);
                                break;
                        }
                        echo '" tabindex="1" id="keywords" qs_url="';
                        switch (testType($value2,'qsUrl'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                outer ($value2['qsUrl']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                outer ($value2['qsUrl']);
                                break;
                        }
                        echo '}" autocomplete="off" lang="';
                        switch (testType($value2,'lang'))
                        {
                            case 0: break; //不存在
                            case 1://method
                                break;
                            case 2://屬性
                                echo ($value2['lang']);
                                break;
                            case 3://數組
                                break;
                            case 4:
                                echo ($value2['lang']);
                                break;
                        }
                        echo '">
        ';
                    }
            }
            echo '
        <button class="search-button" type="submit">';
            switch (testType($value1,'buttonText'))
            {
                case 0: break; //不存在
                case 1://method
                    break;
                case 2://屬性
                    echo ($value1['buttonText']);
                    break;
                case 3://數組
                    break;
                case 4:
                    echo ($value1['buttonText']);
                    break;
            }
            echo '</button>
    </form>
    ';
        }
}

性能測試: 至少 要比 github mustachephp  快1倍



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