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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.intellij.schema;
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 ai.vespa.intellij.schema.lexer.SdLexerAdapter;
import ai.vespa.intellij.schema.psi.SdTypes;
import java.util.HashSet;
/**
* Defines the syntax highlighting of an SD file.
*
* @author Shahar Ariel
*/
public class SdSyntaxHighlighter extends SyntaxHighlighterBase {
private static final HashSet<IElementType> keyWordsSet = initKeyWordsSet();
private static final HashSet<IElementType> constantsSet = initConstantsSet();
public static final TextAttributesKey IDENTIFIER =
createTextAttributesKey("SD_IDENTIFIER", DefaultLanguageHighlighterColors.IDENTIFIER);
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 NUMBER =
createTextAttributesKey("SD_NUMBER", DefaultLanguageHighlighterColors.NUMBER);
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[] NUMBER_KEYS = new TextAttributesKey[]{NUMBER};
private static final TextAttributesKey[] COMMENT_KEYS = new TextAttributesKey[]{COMMENT};
private static final TextAttributesKey[] EMPTY_KEYS = new TextAttributesKey[0];
@Override
public Lexer getHighlightingLexer() {
return new SdLexerAdapter();
}
@Override
public TextAttributesKey[] getTokenHighlights(IElementType tokenType) {
if (tokenType.equals(SdTypes.IDENTIFIER_VAL) || tokenType.equals(SdTypes.IDENTIFIER_WITH_DASH_VAL)) {
return IDENTIFIER_KEYS;
} else if (keyWordsSet.contains(tokenType)) {
return KEY_KEYS;
} else if (tokenType.equals(SdTypes.SYMBOL) || tokenType.equals(SdTypes.COMMA)) {
return SYMBOL_KEYS;
} else if (tokenType.equals(SdTypes.STRING_REG)) {
return STRING_KEYS;
} else if (tokenType.equals(SdTypes.INTEGER_REG) || tokenType.equals(SdTypes.FLOAT_REG)) {
return NUMBER_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> initKeyWordsSet() {
HashSet<IElementType> keyWords = new HashSet<>();
keyWords.add(SdTypes.SEARCH);
keyWords.add(SdTypes.SCHEMA);
keyWords.add(SdTypes.FIELD);
keyWords.add(SdTypes.TYPE);
keyWords.add(SdTypes.INDEXING);
keyWords.add(SdTypes.INPUT);
keyWords.add(SdTypes.DOCUMENT_SUMMARY);
keyWords.add(SdTypes.INHERITS);
keyWords.add(SdTypes.IMPORT);
keyWords.add(SdTypes.AS);
keyWords.add(SdTypes.FIELDSET);
keyWords.add(SdTypes.FIELDS);
keyWords.add(SdTypes.CONSTANT);
keyWords.add(SdTypes.FILE);
keyWords.add(SdTypes.URI);
keyWords.add(SdTypes.OUTPUT);
keyWords.add(SdTypes.ONNX_MODEL);
keyWords.add(SdTypes.ANNOTATION);
keyWords.add(SdTypes.RANK_PROFILE);
keyWords.add(SdTypes.SIGNIFICANCE);
keyWords.add(SdTypes.MATCH_PHASE);
keyWords.add(SdTypes.FIRST_PHASE);
keyWords.add(SdTypes.EXPRESSION);
keyWords.add(SdTypes.SECOND_PHASE);
keyWords.add(SdTypes.RANK_PROPERTIES);
keyWords.add(SdTypes.MACRO);
keyWords.add(SdTypes.FUNCTION);
keyWords.add(SdTypes.INLINE);
keyWords.add(SdTypes.SUMMARY_FEATURES);
keyWords.add(SdTypes.MATCH_FEATURES);
keyWords.add(SdTypes.RANK_FEATURES);
keyWords.add(SdTypes.CONSTANTS);
keyWords.add(SdTypes.DOCUMENT);
keyWords.add(SdTypes.STRUCT);
keyWords.add(SdTypes.STRUCT_FIELD);
keyWords.add(SdTypes.MATCH);
keyWords.add(SdTypes.DISTANCE_METRIC);
keyWords.add(SdTypes.ALIAS);
keyWords.add(SdTypes.STEMMING);
keyWords.add(SdTypes.RANK);
keyWords.add(SdTypes.INDEXING_REWRITE);
keyWords.add(SdTypes.QUERY_COMMAND);
keyWords.add(SdTypes.BOLDING);
keyWords.add(SdTypes.HNSW);
keyWords.add(SdTypes.SORTING);
keyWords.add(SdTypes.RANK_TYPE);
keyWords.add(SdTypes.WEIGHTEDSET);
keyWords.add(SdTypes.DICTIONARY);
keyWords.add(SdTypes.ID);
keyWords.add(SdTypes.NORMALIZING);
keyWords.add(SdTypes.WEIGHT);
return keyWords;
}
private static HashSet<IElementType> initConstantsSet() {
HashSet<IElementType> constants = new HashSet<>();
constants.add(SdTypes.RAW_AS_BASE64_IN_SUMMARY);
constants.add(SdTypes.OMIT_SUMMARY_FEATURES);
constants.add(SdTypes.FROM_DISK);
constants.add(SdTypes.IGNORE_DEFAULT_RANK_FEATURES);
constants.add(SdTypes.ATTRIBUTE);
constants.add(SdTypes.ORDER);
constants.add(SdTypes.MAX_HITS);
constants.add(SdTypes.DIVERSITY);
constants.add(SdTypes.MIN_GROUPS);
constants.add(SdTypes.CUTOFF_FACTOR);
constants.add(SdTypes.CUTOFF_STRATEGY);
constants.add(SdTypes.NUM_THREADS_PER_SEARCH);
constants.add(SdTypes.TERMWISE_LIMIT);
constants.add(SdTypes.MIN_HITS_PER_THREAD);
constants.add(SdTypes.NUM_SEARCH_PARTITIONS);
constants.add(SdTypes.KEEP_RANK_COUNT);
constants.add(SdTypes.RANK_SCORE_DROP_LIMIT);
constants.add(SdTypes.RERANK_COUNT);
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.SUMMARY);
constants.add(SdTypes.INDEX);
constants.add(SdTypes.SET_LANGUAGE);
constants.add(SdTypes.LOWERCASE);
constants.add(SdTypes.FAST_SEARCH);
constants.add(SdTypes.FAST_RANK);
constants.add(SdTypes.FAST_ACCESS);
constants.add(SdTypes.PAGED);
constants.add(SdTypes.MUTABLE);
constants.add(SdTypes.FILTER);
constants.add(SdTypes.NORMAL);
constants.add(SdTypes.NONE);
constants.add(SdTypes.FULL);
constants.add(SdTypes.DYNAMIC);
constants.add(SdTypes.SOURCE);
constants.add(SdTypes.TO);
constants.add(SdTypes.MATCHED_ELEMENTS_ONLY);
constants.add(SdTypes.ON);
constants.add(SdTypes.OFF);
constants.add(SdTypes.TRUE);
constants.add(SdTypes.FALSE);
constants.add(SdTypes.ARITY);
constants.add(SdTypes.LOWER_BOUND);
constants.add(SdTypes.UPPER_BOUND);
constants.add(SdTypes.DENSE_POSTING_LIST_THRESHOLD);
constants.add(SdTypes.ENABLE_BM25);
constants.add(SdTypes.MAX_LINKS_PER_NODE);
constants.add(SdTypes.NEIGHBORS_TO_EXPLORE_AT_INSERT);
constants.add(SdTypes.MULTI_THREADED_INDEXING);
constants.add(SdTypes.ASCENDING);
constants.add(SdTypes.DESCENDING);
constants.add(SdTypes.STRENGTH);
constants.add(SdTypes.LOCALE);
constants.add(SdTypes.CREATE_IF_NONEXISTENT);
constants.add(SdTypes.REMOVE_IF_ZERO);
return constants;
}
}
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