common-build.xml

<project name="common-build" basedir="." xmlns:ac="antlib:net.sf.antcontrib">
  <description>Common Build File</description>

  <dirname property="current.dir" file="${ant.file.common-build}"/>
  <property name="root.dir" location="${current.dir}/../"/>
  <property name="tmp.dir" location="${root.dir}/build/tmp/"/>
  <property name="gcc.jar" location="${current.dir}/compiler.jar"/>
  <property name="yc.jar" location="${current.dir}/yuicompressor.jar"/>

  <property name="version" value="1.1.1-dev"/>
  <property name="charset" value="utf-8"/>
  <property name="copyright.files" value="*.css, *.js"/>
  <property name="filename" value="${module.name}"/>


  <!-- 用 gslint 检查 -->
  <target name="gjslint">
    <exec executable="/usr/local/bin/gjslint" os="Mac OS X" failonerror="true">
      <arg line="*.js"/>
    </exec>
  </target>


  <!-- 清空、复制等准备工作 -->
  <target name="prepare">
    <delete dir="${tmp.dir}"/>
    <mkdir dir="${tmp.dir}"/>
    <copy todir="${tmp.dir}">
      <fileset dir="${module.dir}" includes="${module.files}"/>
    </copy>

    <!-- 版本号替换 -->
    <replaceregexp match="%VERSION%"
                   replace="${version}"
                   flags="g"
                   encoding="${charset}">
      <fileset dir="${tmp.dir}" includes="*-pkg.js"/>
    </replaceregexp>

    <!-- 保存 debug 版本 -->
    <copy todir="${tmp.dir}">
      <fileset dir="${tmp.dir}"/>
      <mapper type="regexp"
              from="^(.*?)(?:-pkg)?\.(css|js)$"
              to="\1-debug.\2"/>
    </copy>
  </target>


  <!-- 压缩代码 -->
  <target name="compress">
    <!-- DEBUG 替换 -->
    <replaceregexp match="%DEBUG%"
                   replace=""
                   flags="g"
                   encoding="${charset}">
      <fileset dir="${tmp.dir}" includes="*-pkg.js"/>
    </replaceregexp>

    <!-- 用 YUICompressor 压缩 CSS -->
    <apply executable="java" verbose="true" dir="${tmp.dir}">
      <fileset dir="${tmp.dir}" includes="*.css"/>
      <arg line="-jar"/>
      <arg path="${yc.jar}"/>
      <arg line="--charset ${charset}"/>
      <srcfile/>
      <arg line="-o ${filename}.css"/>
    </apply>

    <!-- 用 Google Closure Compiler 压缩 JS -->
    <apply executable="java" verbose="true" dir="${tmp.dir}" failonerror="true">
      <fileset dir="${tmp.dir}" includes="*-pkg.js"/>
      <arg line="-jar"/>
      <arg path="${gcc.jar}"/>
      <arg line="--compilation_level SIMPLE_OPTIMIZATIONS"/>
      <!--<arg line="-compilation_level ADVANCED_OPTIMIZATIONS"/>-->

      <!-- http://code.google.com/p/closure-compiler/wiki/Warnings -->
      <arg line="--warning_level VERBOSE"/>
      <arg line="--jscomp_error=checkTypes"/>
      <arg line="--jscomp_off=fileoverviewTags"/>

      <!-- define 必须要 var seajs; 在此不起作用。降级为全局替换方式 -->
      <!--<arg line="-define='seajs.version=&quot;${version}&quot;'"/>-->
      <!--<arg line="-define='seajs._data.config.debug=false'"/>-->

      <arg line="--externs ${current.dir}/extern.js"/>

      <arg line="--js"/>
      <srcfile/>
      <arg line="--js_output_file ${filename}.js"/>
    </apply>

    <delete>
      <fileset dir="${tmp.dir}" includes="*-pkg.js"/>
    </delete>
  </target>


  <!-- 替换版本信息以及给文件加上版权信息 -->
  <target name="copyright">
    <tstamp>
      <format property="stamp.time" pattern="MMM d HH:mm" locale="en,UK"/>
      <format property="build.year" pattern="yyyy"/>
    </tstamp>

    <mkdir dir="${tmp.dir}/cp"/>
    <move todir="${tmp.dir}/cp">
      <fileset dir="${tmp.dir}" includes="${copyright.files}"/>
    </move>

    <ac:for param="file">
      <path>
        <fileset dir="${tmp.dir}/cp" includes="${copyright.files}"/>
      </path>
      <sequential>
        <concat destfile="@{file}.tmp" encoding="${charset}"
                outputencoding="${charset}">
          <header filtering="no" trimleading="yes">/* SeaJS v${version} | seajs.com | MIT Licensed */
          </header>
          <fileset file="@{file}"/>
        </concat>
        <move file="@{file}.tmp" tofile="@{file}"/>
      </sequential>
    </ac:for>

    <move todir="${tmp.dir}">
      <fileset dir="${tmp.dir}/cp" includes="${copyright.files}"/>
    </move>
    <delete dir="${tmp.dir}/cp"/>
  </target>


  <!-- 扫尾工作 -->
  <target name="destroy">
    <move todir="${tmp.dir}/../">
      <fileset dir="${tmp.dir}" includes="*.js,*.css"/>
    </move>
    <delete dir="${tmp.dir}"/>
  </target>


  <target name="common.build"
          depends="prepare,compress,copyright,destroy">
  </target>

</project>