如何使用自定义的蚂蚁规则的正则表达式pression改变财产propertyfile [英] How to use custom ant rule regexpression to change property in propertyfile

问题描述

在我的Andr​​oid项目我有我的project.properties文件设置以下属性

In my Android project I have the following property set in my project.properties file

proguard.config=proguard.cfg

和我需要一个自定义宏，会以某种方式设置和取消这个属性。

and I need a custom macro that will somehow set and unset this property.

如何设置取消设置使用微距和普通EX pression这个属性？ 两件事情我不清楚是如何将其设置为空的属性值。将会 这只是proguard.config = 或proguard.config =''

How do I set unset this property using macro and regular expression? two things I am not clear on is how to set this to an empty property value. Would that be just proguard.config= or proguard.config=''

什么是宏这样做？

 <macrodef name="turn-on-proguard">
    <sequential>    
       <replaceregexp file="./project.properties"
                            match='proguard.config="(.*)"'
                            replace='proguard.config=proguard.cfg'
                            byline="false">         
        </replaceregexp>
    </sequential>
</macrodef>



 <macrodef name="turn-off-proguard">
    <sequential>    
       <replaceregexp file="./project.properties"
                            match='proguard.config="(.*)"'
                            replace='proguard.config='
                            byline="false">         
        </replaceregexp>
    </sequential>
</macrodef>

将这项工作？更新。关ProGuard的断什么都不做。

Would this work? Update. turn-proguard-off does nothing.

推荐答案

您的解决方案是非常不清楚我。你为什么不逃点字符？为什么要使用引号和分组在你的正则表达式？ 这是工作的脚本：

Your solution is very unclear for me. Why don't you escape the dot character? Why do you use quotation marks and grouping in your regexp? This is working script:

<macrodef name="turnonproguard">
    <sequential>    
       <replaceregexp file="project.properties"
                match='proguard\.config=.*'
                replace='proguard.config=proguard.cfg'
                byline="false"/>
    </sequential>
</macrodef>

<macrodef name="turnoffproguard">
    <sequential>    
       <replaceregexp file="project.properties"
                match='proguard\.config=.*'
                replace='proguard.config='
                byline="false"/>
    </sequential>
</macrodef>

<target name="on">
    <turnonproguard/>
</target>

<target name="off">
    <turnoffproguard/>
</target>

这篇关于如何使用自定义的蚂蚁规则的正则表达式pression改变财产propertyfile的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！