HyperSQL Database 2.7.4 · org.hsqldb.lib.ScannerSearchAlgorithm

Modifier and Type	Field and Description
private static final Logger	LOG
public static final int	SUGGESTED_MAX_LITERAL_SIZE is 1024.

Access	Constructor and Description
private	ScannerSearchAlgorithm()

Method Summary

Modifier and Type	Method and Description
public static long	Returns: zero-based offset into stream at which `searchstr` is found; -1 if not found, `reader` is null, or `searchstr` is null; 0 if `searchstr.length() == 0 && literal == true`. search(Reader to search reader, char[] to find searchstr, boolean true to treat `searchstr` as a literal search term; false to treat `searchstr` as a regular expression. literal) the given `reader` for the given `searchstr`.
public static long	Returns: zero-based offset into stream at which `searchstr` is found; -1 if not found, `reader` is null, or `searchstr` is null; 0 if `searchstr.length() == 0 && literal == true`. search(Reader to search reader, String to find searchstr, boolean true to treat `searchstr` as a literal search term; false to treat `searchstr` as a regular expression. literal) the given `reader` for the given `searchstr`.
public static long	Returns: zero-based offset into stream at which `searchstr` is found; -1 if not found; search(Reader to search reader, Pattern to find pattern) the given `reader` for the given `pattern`.
private static long	Returns: zero-based offset into stream at which `searchstr` is found; -1 if not found; searchNoChecks(Reader to search reader, Pattern to find pattern) the given `reader` for the given `pattern`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

LOG	back to summary
private static final Logger LOG

SUGGESTED_MAX_LITERAL_SIZE	back to summary
public static final int SUGGESTED_MAX_LITERAL_SIZE is 1024. This is the size above which it may be better to use `KMPSearchAlgorithm`.

ScannerSearchAlgorithm	back to summary
private ScannerSearchAlgorithm()

Method Detail

search back to summary

search	back to summary
public static long search(Reader reader, char[] searchstr, boolean literal) the given `reader` for the given `searchstr`. Parameters reader:Reader to search searchstr:char[] to find literal:boolean true to treat `searchstr` as a literal search term; false to treat `searchstr` as a regular expression. Returns:long zero-based offset into stream at which `searchstr` is found; -1 if not found, `reader` is null, or `searchstr` is null; 0 if `searchstr.length() == 0 && literal == true`. Exceptions IllegalStateException: if a `Scanner` illegal state occurs IllegalArgumentException: if a `Scanner` illegal argument is encountered.

public static long search(Reader reader, char[] searchstr, boolean literal)

the given reader for the given searchstr.

Parameters

reader:Reader: to search
searchstr:char[]: to find
literal:boolean: true to treat searchstr as a literal search term; false to treat searchstr as a regular expression.

Returns:long

zero-based offset into stream at which searchstr is found; -1 if not found, reader is null, or searchstr is null; 0 if searchstr.length() == 0 && literal == true.

Exceptions

IllegalStateException:: if a Scanner illegal state occurs
IllegalArgumentException:: if a Scanner illegal argument is encountered.

search back to summary

search	back to summary
public static long search(Reader reader, String searchstr, boolean literal) throws NullPointerException, PatternSyntaxException, IllegalStateException, IllegalArgumentException the given `reader` for the given `searchstr`. Parameters reader:Reader to search searchstr:String to find literal:boolean true to treat `searchstr` as a literal search term; false to treat `searchstr` as a regular expression. Returns:long zero-based offset into stream at which `searchstr` is found; -1 if not found, `reader` is null, or `searchstr` is null; 0 if `searchstr.length() == 0 && literal == true`. Exceptions PatternSyntaxException: if `searchstr` expression's syntax is invalid IllegalStateException: if a `Scanner` illegal state occurs IllegalArgumentException: if a `Scanner` illegal argument is encountered.

public static long search(Reader reader, String searchstr, boolean literal) throws NullPointerException, PatternSyntaxException, IllegalStateException, IllegalArgumentException

the given reader for the given searchstr.

Parameters

reader:Reader: to search
searchstr:String: to find
literal:boolean: true to treat searchstr as a literal search term; false to treat searchstr as a regular expression.

Returns:long

zero-based offset into stream at which searchstr is found; -1 if not found, reader is null, or searchstr is null; 0 if searchstr.length() == 0 && literal == true.

Exceptions

PatternSyntaxException:: if searchstr expression's syntax is invalid
IllegalStateException:: if a Scanner illegal state occurs
IllegalArgumentException:: if a Scanner illegal argument is encountered.

search back to summary

search	back to summary
public static long search(Reader reader, Pattern pattern) throws IllegalStateException, IllegalArgumentException the given `reader` for the given `pattern`. Parameters reader:Reader to search pattern:Pattern to find Returns:long zero-based offset into stream at which `searchstr` is found; -1 if not found; Exceptions IllegalStateException: if a `Scanner` illegal state occurs IllegalArgumentException: if a `Scanner` illegal argument is encountered. NullPointerException: if `reader` is null or `pattern` is null.

public static long search(Reader reader, Pattern pattern) throws IllegalStateException, IllegalArgumentException

the given reader for the given pattern.

Parameters

reader:Reader: to search
pattern:Pattern: to find

Returns:long

zero-based offset into stream at which searchstr is found; -1 if not found;

Exceptions

IllegalStateException:: if a Scanner illegal state occurs
IllegalArgumentException:: if a Scanner illegal argument is encountered.
NullPointerException:: if reader is null or pattern is null.

searchNoChecks back to summary

searchNoChecks	back to summary
private static long searchNoChecks(Reader reader, Pattern pattern) throws IllegalStateException, IllegalArgumentException the given `reader` for the given `pattern`. Parameters reader:Reader to search pattern:Pattern to find Returns:long zero-based offset into stream at which `searchstr` is found; -1 if not found; Exceptions IllegalStateException: if a `Scanner` illegal state occurs IllegalArgumentException: if a `Scanner` illegal argument is encountered.

private static long searchNoChecks(Reader reader, Pattern pattern) throws IllegalStateException, IllegalArgumentException

the given reader for the given pattern.

Parameters

reader:Reader: to search
pattern:Pattern: to find

Returns:long

zero-based offset into stream at which searchstr is found; -1 if not found;

Exceptions

IllegalStateException:: if a Scanner illegal state occurs
IllegalArgumentException:: if a Scanner illegal argument is encountered.

public Class ScannerSearchAlgorithm

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