Split the monolithic PIE.htc into separate source files per class/com…

…ponent. Introduce simple ant-based build to concatenate and compress all the individual files into the single htc file.

.gitignore

@@ -1,2 +1,2 @@
 .idea
-
+build

build.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" ?>
+
+<project name="PIE" default="package" basedir=".">
+
+    <property name="build_dir" value="./build" />
+    <property name="src_dir" value="./sources" />
+
+    <target name="package-uncompressed">
+        <mkdir dir="${build_dir}" />
+        <concat destfile="${build_dir}/script_uncompressed.js">
+            <fileset file="${src_dir}/PIE_open.js" />
+            <fileset file="${src_dir}/Util.js" />
+            <fileset file="${src_dir}/Length.js" />
+            <fileset file="${src_dir}/BgPosition.js" />
+            <fileset file="${src_dir}/Angle.js" />
+            <fileset file="${src_dir}/Color.js" />
+            <fileset file="${src_dir}/Tokenizer.js" />
+            <fileset file="${src_dir}/StyleBase.js" />
+            <fileset file="${src_dir}/BackgroundStyleInfo.js" />
+            <fileset file="${src_dir}/BorderStyleInfo.js" />
+            <fileset file="${src_dir}/BorderRadiusStyleInfo.js" />
+            <fileset file="${src_dir}/BorderImageStyleInfo.js" />
+            <fileset file="${src_dir}/BoxShadowStyleInfo.js" />
+            <fileset file="${src_dir}/RendererBase.js" />
+            <fileset file="${src_dir}/RootRenderer.js" />
+            <fileset file="${src_dir}/BackgroundAndBorderRenderer.js" />
+            <fileset file="${src_dir}/BorderImageRenderer.js" />
+            <fileset file="${src_dir}/BoxShadowRenderer.js" />
+            <fileset file="${src_dir}/PIE_close.js" />
+            <fileset file="${src_dir}/event_handlers.js" />
+        </concat>
+
+        <concat destfile="${build_dir}/PIE_uncompressed.htc">
+            <fileset file="${src_dir}/htc_open.txt" />
+            <fileset file="${build_dir}/script_uncompressed.js" />
+            <fileset file="${src_dir}/htc_close.txt" />
+        </concat>
+    </target>
+
+    <target name="package-compressed" depends="package-uncompressed">
+        <!--<copy file="${build_dir}/script_uncompressed.js" tofile="${build_dir}/script_compressed.js" overwrite="true" />-->
+
+        <exec executable="yuicompressor">
+            <arg line="${build_dir}/script_uncompressed.js -o ${build_dir}/script_compressed.js" />
+        </exec>
+
+        <concat destfile="${build_dir}/PIE.htc">
+            <fileset file="${src_dir}/htc_open.txt" />
+            <fileset file="${build_dir}/script_compressed.js" />
+            <fileset file="${src_dir}/htc_close.txt" />
+        </concat>
+    </target>
+
+    <target name="package" depends="package-uncompressed,package-compressed" />
+
+</project>

sources/Angle.js

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+/**
+ * Wrapper for angle values; handles conversion to degrees from all allowed angle units
+ * @param val
+ */
+PIE.Angle = function( val ) {
+    this.val = val;
+};
+PIE.Angle.prototype = {
+    unitRE: /(deg|rad|grad|turn)$/,
+
+    getUnit: function() {
+        return this._unit || ( this._unit = this.val.match( this.unitRE )[1] );
+    },
+
+    degrees: function() {
+        var deg = this._deg, u, n;
+        if( !deg ) {
+            u = this.getUnit();
+            n = parseFloat( this.val, 10 );
+            deg = this._deg = ( u === 'deg' ? n : u === 'rad' ? n / Math.PI * 180 : u === 'grad' ? n / 400 * 360 : u === 'turn' ? n * 360 : 0 );
+        }
+        return deg;
+    }
+};