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package org.intellij.sdk.language;
import static com.intellij.openapi.editor.colors.TextAttributesKey.createTextAttributesKey;
import com.intellij.lexer.Lexer;
import com.intellij.openapi.editor.DefaultLanguageHighlighterColors;
import com.intellij.openapi.editor.HighlighterColors;
import com.intellij.openapi.editor.colors.TextAttributesKey;
import com.intellij.openapi.fileTypes.SyntaxHighlighterBase;
import com.intellij.psi.TokenType;
import com.intellij.psi.tree.IElementType;
import org.intellij.sdk.language.psi.SdTypes;
import org.jetbrains.annotations.NotNull;
import java.util.HashSet;
public class SdSyntaxHighlighter extends SyntaxHighlighterBase {
private static final HashSet<IElementType> keyWordsSet = initKeyWordsSet();
private static final HashSet<IElementType> constantsSet = initConstantsSet();
// private static final HashSet<IElementType> symbols = initSymbolsSet();
public static final TextAttributesKey IDENTIFIER =
createTextAttributesKey("SD_IDENTIFIER", DefaultLanguageHighlighterColors.INSTANCE_FIELD);
public static final TextAttributesKey CONSTANT =
createTextAttributesKey("SD_CONSTANT", DefaultLanguageHighlighterColors.CONSTANT);
public static final TextAttributesKey KEY =
createTextAttributesKey("SD_KEY", DefaultLanguageHighlighterColors.KEYWORD);
public static final TextAttributesKey SYMBOL =
createTextAttributesKey("SD_SYMBOL", DefaultLanguageHighlighterColors.BRACKETS);
public static final TextAttributesKey STRING =
createTextAttributesKey("SD_STRING", DefaultLanguageHighlighterColors.STRING);
public static final TextAttributesKey COMMENT =
createTextAttributesKey("SD_COMMENT", DefaultLanguageHighlighterColors.LINE_COMMENT);
public static final TextAttributesKey BAD_CHARACTER =
createTextAttributesKey("Sd_BAD_CHARACTER", HighlighterColors.BAD_CHARACTER);
private static final TextAttributesKey[] BAD_CHAR_KEYS = new TextAttributesKey[]{BAD_CHARACTER};
private static final TextAttributesKey[] IDENTIFIER_KEYS = new TextAttributesKey[]{IDENTIFIER};
private static final TextAttributesKey[] CONSTANT_KEYS = new TextAttributesKey[]{CONSTANT};
private static final TextAttributesKey[] KEY_KEYS = new TextAttributesKey[]{KEY};
private static final TextAttributesKey[] SYMBOL_KEYS = new TextAttributesKey[]{SYMBOL};
private static final TextAttributesKey[] STRING_KEYS = new TextAttributesKey[]{STRING};
private static final TextAttributesKey[] COMMENT_KEYS = new TextAttributesKey[]{COMMENT};
private static final TextAttributesKey[] EMPTY_KEYS = new TextAttributesKey[0];
@NotNull
@Override
public Lexer getHighlightingLexer() {
return new SdLexerAdapter();
}
@NotNull
@Override
public TextAttributesKey[] getTokenHighlights(IElementType tokenType) {
if (tokenType.equals(SdTypes.IDENTIFIER_VAL)) {
return IDENTIFIER_KEYS;
// } else if (tokenType.equals(SdTypes.KEY)) {
// return KEY_KEYS;
// } else if (tokenType.equals(SdTypes.VALUE)) {
// return VALUE_KEYS;
} else if (keyWordsSet.contains(tokenType)) {
return KEY_KEYS;
} else if (tokenType.equals(SdTypes.SYMBOL)) {
return SYMBOL_KEYS;
} else if (tokenType.equals(SdTypes.STRING)) {
return STRING_KEYS;
} else if (tokenType.equals(SdTypes.COMMENT)) {
return COMMENT_KEYS;
} else if (constantsSet.contains(tokenType)) {
return CONSTANT_KEYS;
} else if (tokenType.equals(TokenType.BAD_CHARACTER)) {
return BAD_CHAR_KEYS;
} else {
return EMPTY_KEYS;
}
}
// private static HashSet<IElementType> initSymbolsSet() {
// HashSet<IElementType> symbols = new HashSet<>();
// symbols.add('{');
// return symbols;
// }
private static HashSet<IElementType> initKeyWordsSet() {
HashSet<IElementType> keyWords = new HashSet<>();
keyWords.add(SdTypes.MACRO);
keyWords.add(SdTypes.FIELD);
keyWords.add(SdTypes.TYPE);
keyWords.add(SdTypes.SEARCH);
keyWords.add(SdTypes.DOCUMENT);
keyWords.add(SdTypes.INHERITS);
keyWords.add(SdTypes.STRUCT);
keyWords.add(SdTypes.STRUCT_FIELD);
keyWords.add(SdTypes.MATCH);
keyWords.add(SdTypes.INDEXING);
keyWords.add(SdTypes.RANK);
keyWords.add(SdTypes.INDEXING_REWRITE);
keyWords.add(SdTypes.QUERY_COMMAND);
return keyWords;
}
private static HashSet<IElementType> initConstantsSet() {
HashSet<IElementType> constants = new HashSet<>();
constants.add(SdTypes.SUMMARY);
constants.add(SdTypes.ATTRIBUTE);
constants.add(SdTypes.TEXT);
constants.add(SdTypes.EXACT);
constants.add(SdTypes.EXACT_TERMINATOR);
constants.add(SdTypes.WORD);
constants.add(SdTypes.PREFIX);
constants.add(SdTypes.CASED);
constants.add(SdTypes.UNCASED);
constants.add(SdTypes.SUBSTRING);
constants.add(SdTypes.SUFFIX);
constants.add(SdTypes.MAX_LENGTH);
constants.add(SdTypes.GRAM);
constants.add(SdTypes.GRAM_SIZE);
constants.add(SdTypes.INDEX);
constants.add(SdTypes.FAST_SEARCH);
constants.add(SdTypes.FAST_ACCESS);
constants.add(SdTypes.ALIAS);
constants.add(SdTypes.SORTING);
constants.add(SdTypes.DISTANCE_METRIC);
constants.add(SdTypes.FILTER);
constants.add(SdTypes.NORMAL);
constants.add(SdTypes.NONE);
constants.add(SdTypes.FULL);
constants.add(SdTypes.DYNAMIC);
constants.add(SdTypes.MATCHED_ELEMENTS_ONLY);
return constants;
}
}
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