Initial commit

.gitignore

@@ -0,0 +1 @@
+.sandbox

.travis.yml

@@ -0,0 +1,22 @@
+language: java
+sudo: required
+
+jdk:
+  - oraclejdk8
+
+before_install:
+- chmod +x gradlew
+
+script:
+- java -version
+- ./gradlew -version
+- ./gradlew buildPlugin --console=plain
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/

build.gradle

@@ -0,0 +1,64 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
+    }
+}
+
+plugins {
+    id 'org.jetbrains.intellij' version "0.2.17"
+}
+
+allprojects {
+
+    apply plugin: 'org.jetbrains.intellij'
+
+    intellij {
+        pluginName name
+
+        version ideaVersion
+        downloadSources Boolean.valueOf(downloadIdeaSources)
+        updateSinceUntilBuild = false
+
+        sandboxDirectory project.rootDir.canonicalPath + "/.sandbox"
+    }
+
+    apply plugin: 'java'
+    apply plugin: 'kotlin'
+
+    sourceCompatibility = javaVersion
+    targetCompatibility = javaVersion
+
+    tasks.withType(JavaCompile) { options.encoding = 'UTF-8' }
+
+    test {
+        testLogging {
+            events "passed", "skipped", "failed"
+            exceptionFormat = 'full'
+        }
+    }
+
+
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
+        compile "org.jetbrains.kotlin:kotlin-runtime:$kotlinVersion"
+    }
+}
+
+apply plugin: 'idea'
+
+idea {
+    project {
+        jdkName = javaVersion
+        languageLevel = javaVersion
+    }
+}
+
+version = version

gradle.properties

@@ -0,0 +1,8 @@
+group = "com.github.izhangzhihao"
+name = "Rainbow Brackets"
+ideaVersion = IC-2017.2
+javaVersion = 1.8
+kotlinVersion = 1.1.51
+version = 1.0
+buildNumber = SNAPSHOT
+downloadIdeaSources = false

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-bin.zip
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

src/main/kotlin/com/github/izhangzhihao/rainbow/brackets/RainbowColors.kt

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+package com.github.izhangzhihao.rainbow.brackets
+
+import java.awt.Color
+
+object RainbowColors {
+
+    val roundBracketsColor = arrayOf(
+            Color(230, 180, 34),
+            Color(199, 0, 103),
+            Color(0, 169, 96),
+            Color(252, 116, 130),
+            Color(156, 39, 176),
+            Color(76, 175, 80),
+            Color(33, 150, 243),
+            Color(255, 235, 59)
+    )
+
+    val squareBracketsColor = arrayOf(
+            Color(51, 204, 255),
+            Color(128, 128, 255),
+            Color(0, 115, 168)
+    )
+
+    val squigglyBracketsColor = arrayOf(
+            Color(212, 212, 170),
+            Color(209, 160, 117),
+            Color(156, 102, 40)
+    )
+}

src/main/kotlin/com/github/izhangzhihao/rainbow/brackets/RainbowHighliter.kt

@@ -0,0 +1,108 @@
+package com.github.izhangzhihao.rainbow.brackets
+
+import com.intellij.lang.annotation.AnnotationHolder
+import com.intellij.lang.annotation.Annotator
+import com.intellij.openapi.editor.markup.TextAttributes
+import com.intellij.psi.PsiElement
+import com.intellij.psi.impl.source.tree.LeafPsiElement
+import java.awt.Color
+import java.awt.Font
+import java.util.regex.Pattern
+
+
+class RainbowHighliter : Annotator {
+    private val bracketsList = arrayOf("(", ")", "{", "}", "[", "]")
+
+    private val haskellMultilineCommentPattern = Pattern.compile(
+            "\\{-.*?-\\}"
+    )
+    private val normalMultilineCommentPattern = Pattern.compile(
+            "/\\*.*?\\*/"
+    )
+
+    private fun getAttributesColor(selector: Int, bracket: String): Color {
+        return when (bracket) {
+            "(" -> RainbowColors.roundBracketsColor[selector % RainbowColors.roundBracketsColor.size]
+            ")" -> RainbowColors.roundBracketsColor[selector % RainbowColors.roundBracketsColor.size]
+            "{" -> RainbowColors.squigglyBracketsColor[selector % RainbowColors.squigglyBracketsColor.size]
+            "}" -> RainbowColors.squigglyBracketsColor[selector % RainbowColors.squigglyBracketsColor.size]
+            "[" -> RainbowColors.squareBracketsColor[selector % RainbowColors.squareBracketsColor.size]
+            "]" -> RainbowColors.squareBracketsColor[selector % RainbowColors.squareBracketsColor.size]
+            else -> {
+                RainbowColors.roundBracketsColor[selector % RainbowColors.roundBracketsColor.size]
+            }
+        }
+    }
+
+    private fun getBracketAttributes(level: Int, bracket: String): TextAttributes {
+        val rainbowColor = getAttributesColor(level, bracket)
+        return TextAttributes(rainbowColor, null, null, null, Font.PLAIN)
+    }
+
+    private fun containsBrackets(text: String): Boolean {
+        return text.contains("(")
+                || text.contains(")")
+                || text.contains("{")
+                || text.contains("}")
+                || text.contains("[")
+                || text.contains("]")
+    }
+
+    private fun visitParent(element: PsiElement, pred: (PsiElement) -> Boolean): Boolean {
+        var result = false
+        var eachParent: PsiElement? = element
+        while (eachParent != null) {
+            if (pred(eachParent)) {
+                result = true
+            }
+            eachParent = eachParent.parent
+        }
+        return result
+    }
+
+    private fun getBracketLevel(psiElement: PsiElement): Int {
+        var level = -1
+        var eachParent: PsiElement? = psiElement
+        while (eachParent != null) {
+            if (containsBrackets(eachParent.text)) {
+                level++
+            }
+            eachParent = eachParent.parent
+        }
+        return level
+    }
+
+    private fun isString(t: String): Boolean {
+        return t.startsWith("\"") && t.endsWith("\"") || t.startsWith("\'") && t.endsWith("\'")
+    }
+
+    private val isString = { element: PsiElement -> visitParent(element, { e -> isString(e.text) }) }
+
+    private val isMultilineComment = { element: PsiElement, pattern: Pattern ->
+        val matcher = pattern.matcher(element.containingFile.text.replace("\n", " "))
+        var isInMultiLineComment = false
+        while (matcher.find()) {
+            isInMultiLineComment = matcher.start() <= element.textOffset && element.textOffset <= matcher.end()
+            if (isInMultiLineComment) break
+        }
+        isInMultiLineComment
+    }
+
+    private val isHaskellMultilineComment = { element: PsiElement -> isMultilineComment(element, haskellMultilineCommentPattern) }
+
+    private val isNormalMultilineComment = { element: PsiElement -> isMultilineComment(element, normalMultilineCommentPattern) }
+
+    override fun annotate(element: PsiElement, holder: AnnotationHolder) {
+        val languageID = element.language.id
+        if (element is LeafPsiElement
+                && bracketsList.contains(element.text)
+                && languageID != "Clojure"
+                && !isString(element)
+                && !isHaskellMultilineComment(element)
+                && !isNormalMultilineComment(element)) {
+            val level = getBracketLevel(element)
+            val attrs = getBracketAttributes(level, element.text)
+            holder.createInfoAnnotation(element as PsiElement, null).enforcedTextAttributes = attrs
+        }
+    }
+}

src/main/resources/META-INF/plugin.xml

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+<idea-plugin version="2">
+    <id>izhangzhihao.rainbow.brackets</id>
+    <name>Rainbow Brackets</name>
+    <vendor email="izhangzhihao@hotmail.com" url="https://github.com/izhangzhihao">izhangzhihao</vendor>
+
+    <description><![CDATA[
+      <strong>Rainbow Brackets for IntelliJ IDEA-based IDEs</strong>
+    ]]></description>
+
+    <change-notes><![CDATA[
+      <p>1.0:</p>
+      <ul>
+        <li>Initial release</li>
+      </ul>
+    ]]>
+    </change-notes>
+
+    <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Build+Number+Ranges for description -->
+    <idea-version since-build="172"/>
+
+    <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Plugin+Compatibility+with+IntelliJ+Platform+Products
+         on how to target different products -->
+    <depends>com.intellij.modules.lang</depends>
+
+    <extensions defaultExtensionNs="com.intellij">
+        <!-- Add your extensions here -->
+        <annotator language="Clojure" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="JAVA" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="kotlin" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Python" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Haskell" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Agda" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="RUST" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="JavaScript"
+                   implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Erlang" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Scala" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="go" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Groovy" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="ruby" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="Elixir" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="ObjectiveC"
+                   implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+        <annotator language="PHP" implementationClass="com.github.izhangzhihao.rainbow.brackets.RainbowHighliter"/>
+    </extensions>
+
+    <application-components>
+        <!-- Add your application components here -->
+    </application-components>
+
+    <project-components>
+        <!-- Add your project components here -->
+    </project-components>
+
+    <actions>
+        <!-- Add your actions here -->
+    </actions>
+
+</idea-plugin>