com.couchbase.jdbc.core

Class Parser

java.lang.Object

com.couchbase.jdbc.core.Parser

public class Parser
extends Object

Basic query parser infrastructure.

Author:

Michael Paesold (mpaesold@gmx.at)

Constructor Summary

Constructors

Constructor and Description
Parser()

Method Summary

Modifier and Type	Method and Description
static boolean	charTerminatesIdentifier(char c)
static boolean	isDollarQuoteContChar(char c) Checks if a character is valid as the second or later character of a dollar quoting tag.
static boolean	isDollarQuoteStartChar(char c) Checks if a character is valid as the start of a dollar quoting tag.
static boolean	isIdentifierContChar(char c) Checks if a character is valid as the second or later character of an identifier.
static boolean	isIdentifierStartChar(char c) Checks if a character is valid as the start of an identifier.
static boolean	isOperatorChar(char c)
static boolean	isSpace(char c)
static int	parseBlockComment(char[] query, int offset)
static int	parseDollarQuotes(char[] query, int offset)
static int	parseDoubleQuotes(char[] query, int offset)
static int	parseLineComment(char[] query, int offset)
static int	parseSingleQuotes(char[] query, int offset)
static String	unmarkDoubleQuestion(String query) unmark '??' in query back to '?'

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser()

Method Detail

parseSingleQuotes

public static int parseSingleQuotes(char[] query,
                                    int offset)

parseDoubleQuotes

public static int parseDoubleQuotes(char[] query,
                                    int offset)

parseDollarQuotes

public static int parseDollarQuotes(char[] query,
                                    int offset)

parseLineComment

public static int parseLineComment(char[] query,
                                   int offset)

parseBlockComment

public static int parseBlockComment(char[] query,
                                    int offset)

unmarkDoubleQuestion

public static String unmarkDoubleQuestion(String query)

unmark '??' in query back to '?'

Parameters:

query - query to remove question marks from

Returns:

modified query

isSpace

public static boolean isSpace(char c)

isOperatorChar

public static boolean isOperatorChar(char c)

isIdentifierStartChar

public static boolean isIdentifierStartChar(char c)

Checks if a character is valid as the start of an identifier.

Parameters:

c - the character to check

Returns:

true if valid as first character of an identifier; false if not

isIdentifierContChar

public static boolean isIdentifierContChar(char c)

Checks if a character is valid as the second or later character of an identifier.

Parameters:

c - the character to check

Returns:

true if valid as second or later character of an identifier; false if not

charTerminatesIdentifier

public static boolean charTerminatesIdentifier(char c)

isDollarQuoteStartChar

public static boolean isDollarQuoteStartChar(char c)

Checks if a character is valid as the start of a dollar quoting tag.

Parameters:

c - the character to check

Returns:

true if valid as first character of a dollar quoting tag; false if not

isDollarQuoteContChar

public static boolean isDollarQuoteContChar(char c)

Checks if a character is valid as the second or later character of a dollar quoting tag.

Parameters:

c - the character to check

Returns:

true if valid as second or later character of a dollar quoting tag; false if not