From 317595dc7293dcef132373163298bd08e66e47b4 Mon Sep 17 00:00:00 2001
From: uberspot <onexemailx@gmail.com>
Date: Tue, 11 Mar 2014 23:40:12 +0200
Subject: Added initial xml and readme info for checkstyle

---
 tools/checkstyle.xml | 356 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 356 insertions(+)
 create mode 100644 tools/checkstyle.xml

(limited to 'tools/checkstyle.xml')

diff --git a/tools/checkstyle.xml b/tools/checkstyle.xml
new file mode 100644
index 000000000..95ef07a90
--- /dev/null
+++ b/tools/checkstyle.xml
@@ -0,0 +1,356 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE module PUBLIC
+    "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+    "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+
+<!-- This is a checkstyle configuration file. For descriptions of
+what the following rules do, please see the checkstyle configuration
+page at http://checkstyle.sourceforge.net/config.html -->
+
+<module name="OpenPgpChecker">
+
+  <module name="SuppressionFilter">
+   <property name="file" value="tools/suppressions.xml"/>
+  </module>
+
+  <module name="RegexpSingleline">
+    <!-- Requires a copyright notice in each file.
+      Code intended to be open-sourced may have a multi-line copyright
+      notice, so that this required text appears on the second line:
+      <pre>
+        /*
+         * Copyright 2008 Google Inc.
+         *
+         * (details of open-source license...)
+      </pre>
+    -->
+    <property name="format"
+        value="^(//| \*) Copyright (\([cC]\) )?[\d]{4}(\-[\d]{4})? .*$"/>
+    <property name="minimum" value="1"/>
+    <property name="maximum" value="10"/>
+    <property name="message" value="Copyright is missing or malformed."/>
+    <property name="severity" value="error"/>
+  </module>
+
+  <module name="FileTabCharacter">
+    <!-- Checks that there are no tab characters in the file.
+    -->
+  </module>
+
+  <module name="NewlineAtEndOfFile">
+    <property name="lineSeparator" value="lf"/>
+  </module>
+
+  <module name="RegexpSingleline">
+    <!-- Checks that FIXME is not used in comments.  TODO is preferred.
+    -->
+    <property name="format" value="((//.*)|(\*.*))FIXME"/>
+    <property name="message" value='TODO is preferred to FIXME.  e.g. "TODO(johndoe): Refactor when v2 is released."'/>
+  </module>
+
+  <!--
+  <module name="RegexpSingleline">
+    <property name="format" value="((//.*)|(\*.*))TODO[^(]"/>
+    <property name="message" value='All TODOs should be named.  e.g. "TODO(johndoe): Refactor when v2 is released."'/>
+  </module>
+  -->
+
+  <!-- All Java AST specific tests live under TreeWalker module. -->
+  <module name="TreeWalker">
+
+    <!--
+
+    IMPORT CHECKS
+
+    -->
+
+    <module name="RedundantImport">
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="UnusedImports">
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="ImportOrder">
+      <!-- Checks for out of order import statements. -->
+
+      <property name="severity" value="warning"/>
+      <property name="groups" value="com.google,android,junit,com,net,org,se,java,javax"/>
+      <!-- This ensures that static imports go first. -->
+      <property name="option" value="top"/>
+      <property name="tokens" value="STATIC_IMPORT, IMPORT"/>
+    </module>
+
+    <!--
+
+    JAVADOC CHECKS
+
+    -->
+
+    <!-- Checks for Javadoc comments.                     -->
+    <!-- See http://checkstyle.sf.net/config_javadoc.html  -->
+    <!--
+    <module name="JavadocMethod">
+      <property name="scope" value="protected"/>
+      <property name="severity" value="warning"/>
+      <property name="allowMissingJavadoc" value="true"/>
+      <property name="allowMissingParamTags" value="true"/>
+      <property name="allowMissingReturnTag" value="true"/>
+      <property name="allowMissingThrowsTags" value="true"/>
+      <property name="allowThrowsTagsForSubclasses" value="true"/>
+      <property name="allowUndeclaredRTE" value="true"/>
+    </module>
+
+    <module name="JavadocType">
+      <property name="scope" value="protected"/>
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="JavadocStyle">
+      <property name="severity" value="warning"/>
+    </module>
+    -->
+
+    <!--
+
+    NAMING CHECKS
+
+    -->
+
+    <!-- Item 38 - Adhere to generally accepted naming conventions -->
+
+    <module name="PackageName">
+      <!-- Validates identifiers for package names against the
+        supplied expression. -->
+      <!-- Here the default checkstyle rule restricts package name parts to
+        seven characters, this is not in line with common practice at Google.
+      -->
+      <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]{1,})*$"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="TypeNameCheck">
+      <!-- Validates static, final fields against the
+      expression "^[A-Z][a-zA-Z0-9]*$". -->
+      <metadata name="altname" value="TypeName"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="ConstantNameCheck">
+      <!-- Validates non-private, static, final fields against the supplied
+      public/package final fields "^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$". -->
+      <metadata name="altname" value="ConstantName"/>
+      <property name="applyToPublic" value="true"/>
+      <property name="applyToProtected" value="true"/>
+      <property name="applyToPackage" value="true"/>
+      <property name="applyToPrivate" value="false"/>
+      <property name="format" value="^([A-Z_][A-Z0-9]*(_[A-Z0-9]+)*|FLAG_.*)$"/>
+      <message key="name.invalidPattern"
+               value="Variable ''{0}'' should be in ALL_CAPS (if it is a constant) or be private (otherwise)."/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="StaticVariableNameCheck">
+      <!-- Validates static, non-final fields against the supplied
+      expression "^[a-z][a-zA-Z0-9]*_?$". -->
+      <metadata name="altname" value="StaticVariableName"/>
+      <property name="applyToPublic" value="true"/>
+      <property name="applyToProtected" value="true"/>
+      <property name="applyToPackage" value="true"/>
+      <property name="applyToPrivate" value="true"/>
+      <property name="format" value="^s[A-Z][a-zA-Z0-9]*_?$"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="MemberNameCheck">
+      <!-- Validates non-static members against the supplied expression. -->
+      <metadata name="altname" value="MemberName"/>
+      <property name="applyToPublic" value="false"/>
+      <property name="applyToProtected" value="true"/>
+      <property name="applyToPackage" value="true"/>
+      <property name="applyToPrivate" value="true"/>
+      <property name="format" value="^m[A-Z][a-zA-Z0-9]*$"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+   <module name="MemberNameCheck">
+      <!-- Validates non-static members against the supplied expression. -->
+      <metadata name="altname" value="MemberName"/>
+      <property name="applyToPublic" value="true"/>
+      <property name="applyToProtected" value="false"/>
+      <property name="applyToPackage" value="false"/>
+      <property name="applyToPrivate" value="false"/>
+      <property name="format" value="^[a-z]([^A-Z]|$)[a-zA-Z0-9]*$"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="MethodNameCheck">
+      <!-- Validates identifiers for method names. -->
+      <metadata name="altname" value="MethodName"/>
+      <property name="format" value="^[a-z]([^A-Z]|$)[a-zA-Z0-9]*(_[a-zA-Z0-9]+)*$"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="ParameterName">
+      <!-- Validates identifiers for method parameters against the
+        expression "^[a-z][a-zA-Z0-9]*$". -->
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="LocalFinalVariableName">
+      <!-- Validates identifiers for local final variables against the
+        expression "^[a-z][a-zA-Z0-9]*$". -->
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="LocalVariableName">
+      <!-- Validates identifiers for local variables against the
+        expression "^[a-z][a-zA-Z0-9]*$". -->
+      <property name="severity" value="warning"/>
+    </module>
+
+
+    <!--
+
+    LENGTH and CODING CHECKS
+
+    -->
+
+    <module name="LineLength">
+      <!-- Checks if a line is too long. -->
+      <property name="max" value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.max}" default="110"/>
+      <property name="severity" value="error"/>
+
+      <!--
+        The default ignore pattern exempts the following elements:
+          - import statements
+          - long URLs inside comments
+      -->
+
+      <property name="ignorePattern"
+          value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.ignorePattern}"
+          default="^(package .*;\s*)|(import .*;\s*)|( *\* *https?://.*)$"/>
+    </module>
+
+    <module name="LeftCurly">
+      <!-- Checks for placement of the left curly brace ('{'). -->
+      <property name="severity" value="warning"/>
+    </module>
+
+    <module name="RightCurly">
+      <!-- Checks right curlies on CATCH, ELSE, and TRY blocks are on
+      the same line. e.g., the following example is fine:
+      <pre>
+        if {
+          ...
+        } else
+      </pre>
+      -->
+      <!-- This next example is not fine:
+      <pre>
+        if {
+          ...
+        }
+        else
+      </pre>
+      -->
+      <property name="option" value="same"/>
+      <property name="severity" value="warning"/>
+    </module>
+
+    <!-- Checks for braces around if and else blocks -->
+    <module name="NeedBraces">
+      <property name="severity" value="warning"/>
+      <property name="tokens" value="LITERAL_IF, LITERAL_ELSE, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO"/>
+    </module>
+
+    <module name="UpperEll">
+      <!-- Checks that long constants are defined with an upper ell.-->
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="FallThrough">
+      <!-- Warn about falling through to the next case statement.  Similar to
+      javac -Xlint:fallthrough, but the check is suppressed if a single-line comment
+      on the last non-blank line preceding the fallen-into case contains 'fall through' (or
+      some other variants which we don't publicized to promote consistency).
+      -->
+      <property name="reliefPattern"
+       value="fall through|Fall through|fallthru|Fallthru|falls through|Falls through|fallthrough|Fallthrough|No break|NO break|no break|continue on"/>
+      <property name="severity" value="error"/>
+    </module>
+
+
+    <!--
+
+    MODIFIERS CHECKS
+
+    -->
+
+    <module name="ModifierOrder">
+      <!-- Warn if modifier order is inconsistent with JLS3 8.1.1, 8.3.1, and
+           8.4.3.  The prescribed order is:
+           public, protected, private, abstract, static, final, transient, volatile,
+           synchronized, native, strictfp
+        -->
+    </module>
+
+
+    <!--
+
+    WHITESPACE CHECKS
+
+    -->
+
+    <module name="WhitespaceAround">
+      <!-- Checks that various tokens are surrounded by whitespace.
+           This includes most binary operators and keywords followed
+           by regular or curly braces.
+      -->
+      <property name="tokens" value="ASSIGN, BAND, BAND_ASSIGN, BOR,
+        BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN,
+        EQUAL, GE, GT, LAND, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE,
+        LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_RETURN,
+        LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS,
+        MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION,
+        SL, SL_ASSIGN, SR_ASSIGN, STAR, STAR_ASSIGN"/>
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="WhitespaceAfter">
+      <!-- Checks that commas, semicolons and typecasts are followed by
+           whitespace.
+      -->
+      <property name="tokens" value="COMMA, SEMI, TYPECAST"/>
+    </module>
+
+    <module name="NoWhitespaceAfter">
+      <!-- Checks that there is no whitespace after various unary operators.
+           Linebreaks are allowed.
+      -->
+      <property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS,
+        UNARY_PLUS"/>
+      <property name="allowLineBreaks" value="true"/>
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="NoWhitespaceBefore">
+      <!-- Checks that there is no whitespace before various unary operators.
+           Linebreaks are allowed.
+      -->
+      <property name="tokens" value="SEMI, DOT, POST_DEC, POST_INC"/>
+      <property name="allowLineBreaks" value="true"/>
+      <property name="severity" value="error"/>
+    </module>
+
+    <module name="ParenPad">
+      <!-- Checks that there is no whitespace before close parens or after
+           open parens.
+      -->
+      <property name="severity" value="warning"/>
+    </module>
+
+  </module>
+</module>
+
-- 
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