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package com.bartlomiejpluta.base.editor.code.highlighting
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import com.bartlomiejpluta.base.editor.code.stylesheet.SqlSyntaxHighlightingStylesheet
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import org.fxmisc.richtext.model.StyleSpans
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import org.fxmisc.richtext.model.StyleSpansBuilder
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import org.springframework.stereotype.Component
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@Component
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class SqlSyntaxHighlighter : SyntaxHighlighter {
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override fun highlight(code: String): StyleSpans<Collection<String>> = StyleSpansBuilder<Collection<String>>().let {
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val lastKeywordEnd = PATTERN.findAll(code).fold(0) { lastKeywordEnd, result ->
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val styleClass = when {
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result.groups["KEYWORD"] != null -> "keyword"
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result.groups["PAREN"] != null -> "paren"
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result.groups["BRACE"] != null -> "brace"
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result.groups["BRACKET"] != null -> "bracket"
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result.groups["SEMICOLON"] != null -> "semicolon"
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result.groups["STRING"] != null -> "string"
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result.groups["REF"] != null -> "ref"
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result.groups["QUOTED"] != null -> "quoted"
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result.groups["NUMBER"] != null -> "number"
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result.groups["OPERATOR"] != null -> "operator"
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result.groups["COMMENT"] != null -> "comment"
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else -> throw IllegalStateException("Unsupported regex group")
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}
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it.add(emptyList(), result.range.first - lastKeywordEnd)
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it.add(listOf(styleClass), result.range.last - result.range.first + 1)
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result.range.last + 1
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}
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it.add(emptyList(), code.length - lastKeywordEnd)
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it.create()
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}
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override val stylesheet = SqlSyntaxHighlightingStylesheet()
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companion object {
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private val KEYWORDS = arrayOf(
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"A", "ABORT",
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"ABS", "ABSOLUTE", "ACCESS", "ACTION", "ADA", "ADD", "ADMIN", "AFTER", "AGGREGATE", "ALIAS",
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"ALL", "ALLOCATE", "ALSO", "ALTER", "ALWAYS", "ANALYSE", "ANALYZE", "AND", "ANY", "ARE", "ARRAY", "AS",
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"ASC", "ASENSITIVE", "ASSERTION", "ASSIGNMENT", "ASYMMETRIC", "AT", "ATOMIC", "ATTRIBUTE", "ATTRIBUTES",
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"AUDIT", "AUTHORIZATION", "AUTO_INCREMENT", "AVG", "AVG_ROW_LENGTH", "BACKUP", "BACKWARD", "BEFORE",
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"BEGIN", "BERNOULLI", "BETWEEN", "BIGINT", "BINARY", "BIT", "BIT_LENGTH", "BITVAR", "BLOB", "BOOL",
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"BOOLEAN", "BOTH", "BREADTH", "BREAK", "BROWSE", "BULK", "BY", "C", "CACHE", "CALL", "CALLED",
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"CARDINALITY", "CASCADE", "CASCADED", "CASE", "CAST", "CATALOG", "CATALOG_NAME", "CEIL", "CEILING", "CHAIN",
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"CHANGE", "CHAR", "CHAR_LENGTH", "CHARACTER", "CHARACTER_LENGTH", "CHARACTER_SET_CATALOG",
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"CHARACTER_SET_NAME", "CHARACTER_SET_SCHEMA", "CHARACTERISTICS", "CHARACTERS", "CHECK", "CHECKED",
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"CHECKPOINT", "CHECKSUM", "CLASS", "CLASS_ORIGIN", "CLOB", "CLOSE", "CLUSTER", "CLUSTERED", "COALESCE",
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"COBOL", "COLLATE", "COLLATION", "COLLATION_CATALOG", "COLLATION_NAME", "COLLATION_SCHEMA", "COLLECT",
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"COLUMN", "COLUMN_NAME", "COLUMNS", "COMMAND_FUNCTION", "COMMAND_FUNCTION_CODE", "COMMENT", "COMMIT",
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"COMMITTED", "COMPLETION", "COMPRESS", "COMPUTE", "CONDITION", "CONDITION_NUMBER", "CONNECT", "CONNECTION",
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"CONNECTION_NAME", "CONSTRAINT", "CONSTRAINT_CATALOG", "CONSTRAINT_NAME", "CONSTRAINT_SCHEMA", "CONSTRAINTS",
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"CONSTRUCTOR", "CONTAINS", "CONTAINSTABLE", "CONTINUE", "CONVERSION", "CONVERT", "COPY", "CORR",
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"CORRESPONDING", "COUNT", "COVAR_POP", "COVAR_SAMP", "CREATE", "CREATEDB", "CREATEROLE", "CREATEUSER",
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"CROSS", "CSV", "CUBE", "CUME_DIST", "CURRENT", "CURRENT_DATE", "CURRENT_DEFAULT_TRANSFORM_GROUP",
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"CURRENT_PATH", "CURRENT_ROLE", "CURRENT_TIME", "CURRENT_TIMESTAMP", "CURRENT_TRANSFORM_GROUP_FOR_TYPE",
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"CURRENT_USER", "CURSOR", "CURSOR_NAME", "CYCLE", "DATA", "DATABASE", "DATABASES", "DATE", "DATETIME",
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"DATETIME_INTERVAL_CODE", "DATETIME_INTERVAL_PRECISION", "DAY", "DAY_HOUR", "DAY_MICROSECOND", "DAY_MINUTE",
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"DAY_SECOND", "DAYOFMONTH", "DAYOFWEEK", "DAYOFYEAR", "DBCC", "DEALLOCATE", "DEC", "DECIMAL", "DECLARE",
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"DEFAULT", "DEFAULTS", "DEFERRABLE", "DEFERRED", "DEFINED", "DEFINER", "DEGREE", "DELAY_KEY_WRITE", "DELAYED",
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"DELETE", "DELIMITER", "DELIMITES", "DENSE_RANK", "DENY", "DEPTH", "DEREF", "DERIVED", "DESC", "DESCRIBE",
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"DESCRIPTOR", "DESTROY", "DESTRUCTOR", "DETERMINISTIC", "DIAGNOSTICS", "DICTIONARY", "DISABLE", "DISCONNECT",
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"DISK", "DISPATCH", "DISTINCT", "DISTINCTROW", "DISTRIBUTED", "DIV", "DO", "DOMAIN", "DOUBLE", "DROP", "DUAL",
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"DUMMY", "DUMP", "DYNAMIC", "DYNAMIC_FUNCTION", "DYNAMIC_FUNCTION_CODE", "EACH", "ELEMENT", "ELSE", "ELSEIF",
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"ENABLE", "ENCLOSED", "ENCODING", "ENCRYPTED", "END", "END-EXEC", "ENUM", "EQUALS", "ERRLVL", "ESCAPE",
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"ESCAPED", "EVERY", "EXCEPT", "EXCEPTION", "EXCLUDE", "EXCLUDING", "EXCLUSIVE", "EXEC", "EXECUTE", "EXISTING",
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"EXISTS", "EXIT", "EXP", "EXPLAIN", "EXTERNAL", "EXTRACT", "FALSE", "FETCH", "FIELDS", "FILE", "FILLFACTOR",
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"FILTER", "FINAL", "FIRST", "FLOAT", "FLOAT4", "FLOAT8", "FLOOR", "FLUSH", "FOLLOWING", "FOR", "FORCE",
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"FOREIGN", "FORTRAN", "FORWARD", "FOUND", "FREE", "FREETEXT", "FREETEXTTABLE", "FREEZE", "FROM", "FULL",
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"FULLTEXT", "FUNCTION", "FUSION", "G", "GENERAL", "GENERATED", "GET", "GLOBAL", "GO", "GOTO", "GRANT",
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"GRANTED", "GRANTS", "GREATEST", "GROUP", "GROUPING", "HANDLER", "HAVING", "HEADER", "HEAP", "HIERARCHY",
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"HIGH_PRIORITY", "HOLD", "HOLDLOCK", "HOST", "HOSTS", "HOUR", "HOUR_MICROSECOND", "HOUR_MINUTE", "HOUR_SECOND",
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"IDENTIFIED", "IDENTITY", "IDENTITY_INSERT", "IDENTITYCOL", "IF", "IGNORE", "ILIKE", "IMMEDIATE", "IMMUTABLE",
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"IMPLEMENTATION", "IMPLICIT", "IN", "INCLUDE", "INCLUDING", "INCREMENT", "INDEX", "INDICATOR", "INFILE",
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"INFIX", "INHERIT", "INHERITS", "INITIAL", "INITIALIZE", "INITIALLY", "INNER", "INOUT", "INPUT", "INSENSITIVE",
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"INSERT", "INSERT_ID", "INSTANCE", "INSTANTIABLE", "INSTEAD", "INT", "INT1", "INT2", "INT3", "INT4", "INT8",
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"INTEGER", "INTERSECT", "INTERSECTION", "INTERVAL", "INTO", "INVOKER", "IS", "ISAM", "ISNULL", "ISOLATION",
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"ITERATE", "JOIN", "K", "KEY", "KEY_MEMBER", "KEY_TYPE", "KEYS", "KILL", "LANCOMPILER", "LANGUAGE", "LARGE",
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"LAST", "LAST_INSERT_ID", "LATERAL", "LEAD", "LEADING", "LEAST", "LEAVE", "LEFT", "LENGTH", "LESS", "LEVEL",
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"LIKE", "LIMIT", "LINENO", "LINES", "LISTEN", "LN", "LOAD", "LOCAL", "LOCALTIME", "LOCALTIMESTAMP", "LOCATION",
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"LOCATOR", "LOCK", "LOGIN", "LOGS", "LONG", "LONGBLOB", "LONGTEXT", "LOOP", "LOW_PRIORITY", "LOWER", "M",
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"MAP", "MATCH", "MATCHED", "MAX", "MAX_ROWS", "MAXEXTENTS", "MAXVALUE", "MEDIUMBLOB", "MEDIUMINT",
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"MEDIUMTEXT", "MEMBER", "MERGE", "MESSAGE_LENGTH", "MESSAGE_OCTET_LENGTH", "MESSAGE_TEXT", "METHOD",
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"MIDDLEINT", "MIN", "MIN_ROWS", "MINUS", "MINUTE", "MINUTE_MICROSECOND", "MINUTE_SECOND", "MINVALUE",
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"MLSLABEL", "MOD", "MODE", "MODIFIES", "MODIFY", "MODULE", "MONTH", "MONTHNAME", "MORE", "MOVE", "MULTISET",
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"MUMPS", "MYISAM", "NAME", "NAMES", "NATIONAL", "NATURAL", "NCHAR", "NCLOB", "NESTING", "NEW", "NEXT", "NO",
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"NO_WRITE_TO_BINLOG", "NOAUDIT", "NOCHECK", "NOCOMPRESS", "NOCREATEDB", "NOCREATEROLE", "NOCREATEUSER",
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"NOINHERIT", "NOLOGIN", "NONCLUSTERED", "NONE", "NORMALIZE", "NORMALIZED", "NOSUPERUSER", "NOT", "NOTHING",
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"NOTIFY", "NOTNULL", "NOWAIT", "NULL", "NULLABLE", "NULLIF", "NULLS", "NUMBER", "NUMERIC", "OBJECT",
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"OCTET_LENGTH", "OCTETS", "OF", "OFF", "OFFLINE", "OFFSET", "OFFSETS", "OIDS", "OLD", "ON", "ONLINE", "ONLY",
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"OPEN", "OPENDATASOURCE", "OPENQUERY", "OPENROWSET", "OPENXML", "OPERATION", "OPERATOR", "OPTIMIZE", "OPTION",
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"OPTIONALLY", "OPTIONS", "OR", "ORDER", "ORDERING", "ORDINALITY", "OTHERS", "OUT", "OUTER", "OUTFILE",
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"OUTPUT", "OVER", "OVERLAPS", "OVERLAY", "OVERRIDING", "OWNER", "PACK_KEYS", "PAD", "PARAMETER",
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"PARAMETER_MODE", "PARAMETER_NAME", "PARAMETER_ORDINAL_POSITION", "PARAMETER_SPECIFIC_CATALOG",
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"PARAMETER_SPECIFIC_NAME", "PARAMETER_SPECIFIC_SCHEMA", "PARAMETERS", "PARTIAL", "PARTITION", "PASCAL",
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"PASSWORD", "PATH", "PCTFREE", "PERCENT", "PERCENT_RANK", "PERCENTILE_CONT", "PERCENTILE_DISC", "PLACING",
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"PLAN", "PLI", "POSITION", "POSTFIX", "POWER", "PRECEDING", "PRECISION", "PREFIX", "PREORDER", "PREPARE",
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"PREPARED", "PRESERVE", "PRIMARY", "PRINT", "PRIOR", "PRIVILEGES", "PROC", "PROCEDURAL", "PROCEDURE",
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"PROCESS", "PROCESSLIST", "PUBLIC", "PURGE", "QUOTE", "RAID0", "RAISERROR", "RANGE", "RANK", "RAW", "READ",
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"READS", "READTEXT", "REAL", "RECHECK", "RECONFIGURE", "RECURSIVE", "REF", "REFERENCES", "REFERENCING",
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"REGEXP", "REGR_AVGX", "REGR_AVGY", "REGR_COUNT", "REGR_INTERCEPT", "REGR_R2", "REGR_SLOPE", "REGR_SXX",
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"REGR_SXY", "REGR_SYY", "REINDEX", "RELATIVE", "RELEASE", "RELOAD", "RENAME", "REPEAT", "REPEATABLE",
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"REPLACE", "REPLICATION", "REQUIRE", "RESET", "RESIGNAL", "RESOURCE", "RESTART", "RESTORE", "RESTRICT",
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"RESULT", "RETURN", "RETURNED_CARDINALITY", "RETURNED_LENGTH", "RETURNED_OCTET_LENGTH", "RETURNED_SQLSTATE",
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"RETURNS", "REVOKE", "RIGHT", "RLIKE", "ROLE", "ROLLBACK", "ROLLUP", "ROUTINE", "ROUTINE_CATALOG",
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"ROUTINE_NAME", "ROUTINE_SCHEMA", "ROW", "ROW_COUNT", "ROW_NUMBER", "ROWCOUNT", "ROWGUIDCOL", "ROWID",
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"ROWNUM", "ROWS", "RULE", "SAVE", "SAVEPOINT", "SCALE", "SCHEMA", "SCHEMA_NAME", "SCHEMAS", "SCOPE",
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"SCOPE_CATALOG", "SCOPE_NAME", "SCOPE_SCHEMA", "SCROLL", "SEARCH", "SECOND", "SECOND_MICROSECOND", "SECTION",
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"SECURITY", "SELECT", "SELF", "SENSITIVE", "SEPARATOR", "SEQUENCE", "SERIALIZABLE", "SERVER_NAME", "SESSION",
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"SESSION_USER", "SET", "SETOF", "SETS", "SETUSER", "SHARE", "SHOW", "SHUTDOWN", "SIGNAL", "SIMILAR", "SIMPLE",
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"SIZE", "SMALLINT", "SOME", "SONAME", "SOURCE", "SPACE", "SPATIAL", "SPECIFIC", "SPECIFIC_NAME",
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"SPECIFICTYPE", "SQL", "SQL_BIG_RESULT", "SQL_BIG_SELECTS", "SQL_BIG_TABLES", "SQL_CALC_FOUND_ROWS",
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"SQL_LOG_OFF", "SQL_LOG_UPDATE", "SQL_LOW_PRIORITY_UPDATES", "SQL_SELECT_LIMIT", "SQL_SMALL_RESULT",
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"SQL_WARNINGS", "SQLCA", "SQLCODE", "SQLERROR", "SQLEXCEPTION", "SQLSTATE", "SQLWARNING", "SQRT", "SSL",
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"STABLE", "START", "STARTING", "STATE", "STATEMENT", "STATIC", "STATISTICS", "STATUS", "STDDEV_POP",
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"STDDEV_SAMP", "STDIN", "STDOUT", "STORAGE", "STRAIGHT_JOIN", "STRICT", "STRING", "STRUCTURE", "STYLE",
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"SUBCLASS_ORIGIN", "SUBLIST", "SUBMULTISET", "SUBSTRING", "SUCCESSFUL", "SUM", "SUPERUSER", "SYMMETRIC",
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"SYNONYM", "SYSDATE", "SYSID", "SYSTEM", "SYSTEM_USER", "TABLE", "TABLE_NAME", "TABLES", "TABLESAMPLE",
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"TABLESPACE", "TEMP", "TEMPLATE", "TEMPORARY", "TERMINATE", "TERMINATED", "TEXT", "TEXTSIZE", "THAN",
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"THEN", "TIES", "TIME", "TIMESTAMP", "TIMEZONE_HOUR", "TIMEZONE_MINUTE", "TINYBLOB", "TINYINT", "TINYTEXT",
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"TO", "TOAST", "TOP", "TOP_LEVEL_COUNT", "TRAILING", "TRAN", "TRANSACTION", "TRANSACTION_ACTIVE",
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"TRANSACTIONS_COMMITTED", "TRANSACTIONS_ROLLED_BACK", "TRANSFORM", "TRANSFORMS", "TRANSLATE", "TRANSLATION",
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"TREAT", "TRIGGER", "TRIGGER_CATALOG", "TRIGGER_NAME", "TRIGGER_SCHEMA", "TRIM", "TRUE", "TRUNCATE", "TRUSTED",
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"TSEQUAL", "TYPE", "UESCAPE", "UID", "UNBOUNDED", "UNCOMMITTED", "UNDER", "UNDO", "UNENCRYPTED", "UNION",
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"UNIQUE", "UNKNOWN", "UNLISTEN", "UNLOCK", "UNNAMED", "UNNEST", "UNSIGNED", "UNTIL", "UPDATE", "UPDATETEXT",
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"UPPER", "USAGE", "USE", "USER", "USER_DEFINED_TYPE_CATALOG", "USER_DEFINED_TYPE_CODE",
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"USER_DEFINED_TYPE_NAME", "USER_DEFINED_TYPE_SCHEMA", "USING", "UTC_DATE", "UTC_TIME", "UTC_TIMESTAMP",
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"VACUUM", "VALID", "VALIDATE", "VALIDATOR", "VALUE", "VALUES", "VAR_POP", "VAR_SAMP", "VARBINARY", "VARCHAR",
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"VARCHAR2", "VARCHARACTER", "VARIABLE", "VARIABLES", "VARYING", "VERBOSE", "VIEW", "VOLATILE", "WAITFOR",
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"WHEN", "WHENEVER", "WHERE", "WHILE", "WIDTH_BUCKET", "WINDOW", "WITH", "WITHIN", "WITHOUT", "WORK", "WRITE",
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"WRITETEXT", "X509", "XOR", "YEAR", "YEAR_MONTH", "ZEROFILL", "ZONE"
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)
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private val KEYWORD_PATTERN = "\\b(" + KEYWORDS.joinToString("|") + ")\\b"
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private val PAREN_PATTERN = "\\(|\\)"
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private val BRACE_PATTERN = "\\{|\\}"
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private val BRACKET_PATTERN = "\\[|\\]"
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private val SEMICOLON_PATTERN = "\\;"
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private val STRING_PATTERN = "'([^\"\\\\]|\\\\.)*?'"
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private val REF_PATTERN = "`([^\"\\\\]|\\\\.)*?`"
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private val QUOTED_PATTERN = "\"([^\"\\\\]|\\\\.)*?\""
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private val NUMBER_PATTERN = "\\b-?([0-9]*\\.[0-9]+|[0-9]+)\\w?\\b"
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private val OPERATOR_PATTERN = "[+-/*:|&?<>=!]"
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private val COMMENT_PATTERN = """
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--[^
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]*
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""".trimIndent()
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private val PATTERN = (
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"(?<KEYWORD>$KEYWORD_PATTERN)"
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+ "|(?<PAREN>$PAREN_PATTERN)"
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+ "|(?<BRACE>$BRACE_PATTERN)"
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+ "|(?<BRACKET>$BRACKET_PATTERN)"
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+ "|(?<SEMICOLON>$SEMICOLON_PATTERN)"
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+ "|(?<STRING>$STRING_PATTERN)"
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+ "|(?<REF>$REF_PATTERN)"
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+ "|(?<QUOTED>$QUOTED_PATTERN)"
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+ "|(?<NUMBER>$NUMBER_PATTERN)"
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+ "|(?<COMMENT>$COMMENT_PATTERN)"
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+ "|(?<OPERATOR>$OPERATOR_PATTERN)"
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).toRegex(RegexOption.IGNORE_CASE)
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}
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}
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