checkstyle WhiteAround

WhiteAroundCheck script

src/checkstyle/checkstyle.xml

@@ -163,8 +163,8 @@
 <!-- 		<module name="NoWhitespaceBefore" /> -->
 <!-- 		<module name="ParenPad" /> -->
 <!-- 		<module name="TypecastParenPad" /> -->
-<!-- 		<module name="WhitespaceAfter" /> -->
-<!-- 		<module name="WhitespaceAround" /> -->
+		<module name="WhitespaceAfter" />
+		<module name="WhitespaceAround" />
 
 	</module>
 </module>

src/checkstyle/fixWhiteAround.gradle

@@ -0,0 +1,64 @@
+task fixWhiteAround << {
+	fileTree("${buildDir}/reports/checkstyle").include('*.xml').each { report ->
+		def xml = new XmlParser(false, false).parse(report)
+		xml.file.each { f ->
+			def errors = f.error
+			def thisErrors = []
+			errors.each { error ->
+				if (error.@source == 'com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAfterCheck' ||
+					error.@source == 'com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAroundCheck') {
+					thisErrors.add(error)
+				}
+			}
+			if (thisErrors) {
+				def errorInx = 0
+				def error = thisErrors[errorInx++]
+				def file = new File(f.@name)
+				println "Fixing file $file ..."
+				boolean headerFixed
+				def outSource = ''
+				file.eachLine { line, ln ->
+					if (!headerFixed) {
+						def matcher = line =~ /Copyright (20\d\d)(?:-(20\d\d))?/
+						if (matcher.count) {
+							def year1 = matcher[0][1]
+							if (now != year1) {
+								if (now != matcher[0][2]) {
+									line = line.replaceFirst(/(20\d\d)(?:-20\d\d)?/, year1 + "-$now")
+								}
+							}
+							headerFixed = true
+						}
+					}
+
+					if (error && ln == (error.@line as int)) {
+						def message = error.@message
+
+						def index = (error.@column as int) - 1
+						def chars = line.toCharArray()
+						for (int i = 0; i < index; i++) {
+							if (chars[i] == '\t') { // tabs before code == 8
+								index -= 7;
+							}
+							else if (chars[i] != ' ') { // tabs after code start are only counted as 1
+								break;
+							}
+						}
+
+						line = line.substring(0, index) + ' ' + line.substring(index)
+
+						println "Fixed line $line"
+
+						while (error && ln == (error.@line as int)) {
+							error = thisErrors[errorInx++]
+						}
+					}
+
+					outSource += line + System.lineSeparator()
+				}
+				file.write(outSource)
+				println()
+			}
+		}
+	}
+}