org.jboss.dna.sequencer.ddl
Class DdlTokenStream.DdlTokenizer

java.lang.Object
  org.jboss.dna.sequencer.ddl.DdlTokenStream.DdlTokenizer

All Implemented Interfaces:

TokenStream.Tokenizer

Enclosing class:

DdlTokenStream

public static class DdlTokenStream.DdlTokenizer
extends Object
implements TokenStream.Tokenizer

Field Summary

static int	COMMENT The token type for tokens that consist of all the characters between "/*" and "*/" or between "//" and the next line terminator (e.g., '\n', '\r' or "\r\n").
static int	DECIMAL The token type for tokens that consist of an individual '.' character.
static int	DOUBLE_QUOTED_STRING The token type for tokens that consist of all the characters within double-quotes.
static int	KEYWORD The token type for tokens that represent key words or reserved words for a given DDL dialect.
static String	PARSER_ID
static int	SINGLE_QUOTED_STRING The token type for tokens that consist of all the characters within single-quotes.
static int	STATEMENT_KEY The token type for tokens that represent the start of a DDL statement.
static int	SYMBOL The token type for tokens that consist of an individual "symbol" character.
static int	WORD The token type for tokens that represent an unquoted string containing a character sequence made up of non-whitespace and non-symbol characters.

Constructor Summary

DdlTokenStream.DdlTokenizer(boolean useComments)

Method Summary

boolean	includeComments()
void	tokenize(TokenStream.CharacterStream input, TokenStream.Tokens tokens) Process the supplied characters and construct the appropriate TokenStream.Token objects.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PARSER_ID

public static final String PARSER_ID

See Also:

Constant Field Values

WORD

public static final int WORD

The token type for tokens that represent an unquoted string containing a character sequence made up of non-whitespace and non-symbol characters.

See Also:

Constant Field Values

SYMBOL

public static final int SYMBOL

The token type for tokens that consist of an individual "symbol" character. The set of characters includes: -(){}*,;+%?$[]!<>|=:

See Also:

Constant Field Values

DECIMAL

public static final int DECIMAL

The token type for tokens that consist of an individual '.' character.

See Also:

Constant Field Values

SINGLE_QUOTED_STRING

public static final int SINGLE_QUOTED_STRING

The token type for tokens that consist of all the characters within single-quotes. Single quote characters are included if they are preceded (escaped) by a '\' character.

See Also:

Constant Field Values

DOUBLE_QUOTED_STRING

public static final int DOUBLE_QUOTED_STRING

The token type for tokens that consist of all the characters within double-quotes. Double quote characters are included if they are preceded (escaped) by a '\' character.

See Also:

Constant Field Values

COMMENT

public static final int COMMENT

The token type for tokens that consist of all the characters between "/*" and "*/" or between "//" and the next line terminator (e.g., '\n', '\r' or "\r\n").

See Also:

Constant Field Values

KEYWORD

public static final int KEYWORD

The token type for tokens that represent key words or reserved words for a given DDL dialect.

Examples would be: "CREATE", "TABLE", "ALTER", "SCHEMA", "DROP", etc...

see DdlConstants for the default SQL 92 representations.

See Also:

Constant Field Values

STATEMENT_KEY

public static final int STATEMENT_KEY

The token type for tokens that represent the start of a DDL statement.

Examples would be: {"CREATE", "TABLE"} {"CREATE", "OR", "REPLACE", "VIEW"}

see DdlConstants for the default SQL 92 representations.

See Also:

Constant Field Values

Constructor Detail

DdlTokenStream.DdlTokenizer

public DdlTokenStream.DdlTokenizer(boolean useComments)

Method Detail

includeComments

public boolean includeComments()

Returns:

useComments

tokenize

public void tokenize(TokenStream.CharacterStream input,
                     TokenStream.Tokens tokens)
              throws ParsingException

Process the supplied characters and construct the appropriate TokenStream.Token objects.

Specified by:

tokenize in interface TokenStream.Tokenizer

Parameters:

input - the character input stream; never null

tokens - the factory for TokenStream.Token objects, which records the order in which the tokens are created

Throws:

ParsingException - if there is an error while processing the character stream (e.g., a quote is not closed, etc.)

See Also:

org.jboss.dna.common.text.TokenStream.Tokenizer#tokenize(CharacterStream, Tokens)