java/java-impl/src/com/intellij/ide/highlighter/JavaFileHighlighter.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.ide.highlighter;
  17
  18 import com.intellij.lexer.JavaHighlightingLexer;
  19 import com.intellij.lexer.Lexer;
  20 import com.intellij.openapi.editor.HighlighterColors;
  21 import com.intellij.openapi.editor.SyntaxHighlighterColors;
  22 import com.intellij.openapi.editor.colors.TextAttributesKey;
  23 import com.intellij.openapi.fileTypes.SyntaxHighlighterBase;
  24 import com.intellij.pom.java.LanguageLevel;
  25 import com.intellij.psi.JavaDocTokenType;
  26 import com.intellij.psi.JavaTokenType;
  27 import com.intellij.psi.StringEscapesTokenTypes;
  28 import com.intellij.psi.impl.source.tree.JavaDocElementType;
  29 import com.intellij.psi.tree.IElementType;
  30 import com.intellij.psi.xml.XmlTokenType;
  31 import org.jetbrains.annotations.NotNull;
  32
  33 import java.util.HashMap;
  34 import java.util.Map;
  35
  36 public class JavaFileHighlighter extends SyntaxHighlighterBase {
  37   private static final Map<IElementType, TextAttributesKey> ourMap1;
  38   private static final Map<IElementType, TextAttributesKey> ourMap2;
  39
  40   private final LanguageLevel myLanguageLevel;
  41
  42   public JavaFileHighlighter() {
  43     this(LanguageLevel.HIGHEST);
  44   }
  45
  46   public JavaFileHighlighter(LanguageLevel languageLevel) {
  47     myLanguageLevel = languageLevel;
  48   }
  49
  50   static {
  51     ourMap1 = new HashMap<IElementType, TextAttributesKey>();
  52     ourMap2 = new HashMap<IElementType, TextAttributesKey>();
  53
  54     fillMap(ourMap1, JavaTokenType.KEYWORD_BIT_SET, SyntaxHighlighterColors.KEYWORD);
  55     fillMap(ourMap1, JavaTokenType.OPERATION_BIT_SET, SyntaxHighlighterColors.OPERATION_SIGN);
  56      fillMap(ourMap1, JavaTokenType.OPERATION_BIT_SET, SyntaxHighlighterColors.OPERATION_SIGN);
  57
  58     for (IElementType type : JavaDocTokenType.ALL_JAVADOC_TOKENS.getTypes()) {
  59       ourMap1.put(type, SyntaxHighlighterColors.DOC_COMMENT);
  60     }
  61
  62     ourMap1.put(XmlTokenType.XML_DATA_CHARACTERS, SyntaxHighlighterColors.DOC_COMMENT);
  63     ourMap1.put(XmlTokenType.XML_REAL_WHITE_SPACE, SyntaxHighlighterColors.DOC_COMMENT);
  64     ourMap1.put(XmlTokenType.TAG_WHITE_SPACE, SyntaxHighlighterColors.DOC_COMMENT);
  65
  66     ourMap1.put(JavaTokenType.INTEGER_LITERAL, SyntaxHighlighterColors.NUMBER);
  67     ourMap1.put(JavaTokenType.LONG_LITERAL, SyntaxHighlighterColors.NUMBER);
  68     ourMap1.put(JavaTokenType.FLOAT_LITERAL, SyntaxHighlighterColors.NUMBER);
  69     ourMap1.put(JavaTokenType.DOUBLE_LITERAL, SyntaxHighlighterColors.NUMBER);
  70     ourMap1.put(JavaTokenType.STRING_LITERAL, SyntaxHighlighterColors.STRING);
  71     ourMap1.put(StringEscapesTokenTypes.VALID_STRING_ESCAPE_TOKEN, SyntaxHighlighterColors.VALID_STRING_ESCAPE);
  72     ourMap1.put(StringEscapesTokenTypes.INVALID_CHARACTER_ESCAPE_TOKEN, SyntaxHighlighterColors.INVALID_STRING_ESCAPE);
  73     ourMap1.put(StringEscapesTokenTypes.INVALID_UNICODE_ESCAPE_TOKEN, SyntaxHighlighterColors.INVALID_STRING_ESCAPE);
  74     ourMap1.put(JavaTokenType.CHARACTER_LITERAL, SyntaxHighlighterColors.STRING);
  75
  76     ourMap1.put(JavaTokenType.LPARENTH, SyntaxHighlighterColors.PARENTHS);
  77     ourMap1.put(JavaTokenType.RPARENTH, SyntaxHighlighterColors.PARENTHS);
  78
  79     ourMap1.put(JavaTokenType.LBRACE, SyntaxHighlighterColors.BRACES);
  80     ourMap1.put(JavaTokenType.RBRACE, SyntaxHighlighterColors.BRACES);
  81
  82     ourMap1.put(JavaTokenType.LBRACKET, SyntaxHighlighterColors.BRACKETS);
  83     ourMap1.put(JavaTokenType.RBRACKET, SyntaxHighlighterColors.BRACKETS);
  84
  85     ourMap1.put(JavaTokenType.COMMA, SyntaxHighlighterColors.COMMA);
  86     ourMap1.put(JavaTokenType.DOT, SyntaxHighlighterColors.DOT);
  87     ourMap1.put(JavaTokenType.SEMICOLON, SyntaxHighlighterColors.JAVA_SEMICOLON);
  88
  89     //ourMap1[JavaTokenType.BOOLEAN_LITERAL] = HighlighterColors.JAVA_KEYWORD;
  90     //ourMap1[JavaTokenType.NULL_LITERAL] = HighlighterColors.JAVA_KEYWORD;
  91     ourMap1.put(JavaTokenType.C_STYLE_COMMENT, SyntaxHighlighterColors.JAVA_BLOCK_COMMENT);
  92     ourMap1.put(JavaDocElementType.DOC_COMMENT, SyntaxHighlighterColors.DOC_COMMENT);
  93     ourMap1.put(JavaTokenType.END_OF_LINE_COMMENT, SyntaxHighlighterColors.LINE_COMMENT);
  94     ourMap1.put(JavaTokenType.BAD_CHARACTER, HighlighterColors.BAD_CHARACTER);
  95
  96     ourMap1.put(JavaDocTokenType.DOC_TAG_NAME, SyntaxHighlighterColors.DOC_COMMENT);
  97     ourMap2.put(JavaDocTokenType.DOC_TAG_NAME, SyntaxHighlighterColors.DOC_COMMENT_TAG);
  98
  99     IElementType[] javaDocMarkup = new IElementType[]{XmlTokenType.XML_START_TAG_START,
 100                                         XmlTokenType.XML_END_TAG_START,
 101                                         XmlTokenType.XML_TAG_END,
 102                                         XmlTokenType.XML_EMPTY_ELEMENT_END,
 103                                         XmlTokenType.TAG_WHITE_SPACE,
 104                                         XmlTokenType.XML_TAG_NAME,
 105                                         XmlTokenType.XML_NAME,
 106                                         XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN,
 107                                         XmlTokenType.XML_ATTRIBUTE_VALUE_START_DELIMITER,
 108                                         XmlTokenType.XML_ATTRIBUTE_VALUE_END_DELIMITER,
 109                                         XmlTokenType.XML_CHAR_ENTITY_REF,
 110                                         XmlTokenType.XML_EQ};
 111
 112     for (IElementType idx : javaDocMarkup) {
 113       ourMap1.put(idx, SyntaxHighlighterColors.DOC_COMMENT);
 114       ourMap2.put(idx, SyntaxHighlighterColors.DOC_COMMENT_MARKUP);
 115     }
 116   }
 117
 118   @NotNull
 119   public Lexer getHighlightingLexer() {
 120     return new JavaHighlightingLexer(myLanguageLevel);
 121   }
 122
 123   @NotNull
 124   public TextAttributesKey[] getTokenHighlights(IElementType tokenType) {
 125     return pack(ourMap1.get(tokenType), ourMap2.get(tokenType));
 126   }
 127 }