| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.tools.idea.lang.databinding; |
| |
| import com.android.tools.idea.lang.databinding.psi.DbTokenTypes; |
| import com.google.common.collect.Maps; |
| import com.intellij.lexer.FlexAdapter; |
| import com.intellij.lexer.Lexer; |
| import com.intellij.openapi.editor.DefaultLanguageHighlighterColors; |
| import com.intellij.openapi.editor.colors.TextAttributesKey; |
| import com.intellij.openapi.fileTypes.SyntaxHighlighter; |
| import com.intellij.openapi.fileTypes.SyntaxHighlighterBase; |
| import com.intellij.openapi.fileTypes.SyntaxHighlighterFactory; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.Reader; |
| import java.util.Map; |
| |
| import static com.android.tools.idea.lang.databinding.psi.DbTokenTypes.*; |
| import static com.intellij.openapi.editor.DefaultLanguageHighlighterColors.*; |
| |
| public class DbSyntaxHighlighterFactory extends SyntaxHighlighterFactory { |
| @NotNull |
| @Override |
| public SyntaxHighlighter getSyntaxHighlighter(@Nullable Project project, @Nullable VirtualFile virtualFile) { |
| return new DbSyntaxHighlighter(); |
| } |
| |
| private static class DbSyntaxHighlighter extends SyntaxHighlighterBase { |
| |
| @NotNull |
| @Override |
| public Lexer getHighlightingLexer() { |
| return new FlexAdapter(new _DbLexer((Reader)null)); |
| } |
| |
| @NotNull |
| @Override |
| public TextAttributesKey[] getTokenHighlights(IElementType tokenType) { |
| return pack(sAttributes.get(tokenType)); |
| } |
| |
| private static final Map<IElementType, TextAttributesKey> sAttributes = Maps.newHashMapWithExpectedSize(50); |
| |
| static { |
| final TokenSet keywords = TokenSet |
| .create(BOOLEAN_KEYWORD, BYTE_KEYWORD, CHAR_KEYWORD, SHORT_KEYWORD, INT_KEYWORD, LONG_KEYWORD, FLOAT_KEYWORD, DOUBLE_KEYWORD, |
| VOID_KEYWORD, CLASS_KEYWORD, INSTANCEOF_KEYWORD, DEFAULT_KEYWORD, TRUE, FALSE, NULL); |
| final TokenSet brackets = TokenSet.create(LBRACKET, RBRACKET); |
| final TokenSet parentheses = TokenSet.create(LPARENTH, RPARENTH); |
| final TokenSet numbers = TokenSet.create(INTEGER_LITERAL, FLOAT_LITERAL, LONG_LITERAL, DOUBLE_LITERAL); |
| final TokenSet operators = TokenSet |
| .create(EQEQ, NE, LE, LTLT, LT, GTGTGT, GTGT, GTEQ, GT, EQ, EXCL, TILDE, QUESTQUEST, QUEST, COLON, PLUS, MINUS, ASTERISK, DIV, |
| ANDAND, AND, OROR, OR, XOR); |
| final TokenSet strings = TokenSet.create(STRING_LITERAL, CHARACTER_LITERAL); |
| |
| fillMap(sAttributes, keywords, KEYWORD); |
| fillMap(sAttributes, brackets, BRACKETS); |
| fillMap(sAttributes, parentheses, PARENTHESES); |
| fillMap(sAttributes, numbers, NUMBER); |
| fillMap(sAttributes, operators, OPERATION_SIGN); |
| fillMap(sAttributes, strings, STRING); |
| sAttributes.put(RESOURCE_REFERENCE, MARKUP_ATTRIBUTE); |
| sAttributes.put(DbTokenTypes.IDENTIFIER, DefaultLanguageHighlighterColors.IDENTIFIER); |
| sAttributes.put(DbTokenTypes.DOT, DefaultLanguageHighlighterColors.DOT); |
| sAttributes.put(DbTokenTypes.COMMA, DefaultLanguageHighlighterColors.COMMA); |
| } |
| } |
| } |