Package org.languagetool.rules.patterns

Class Substrings

java.lang.Object

org.languagetool.rules.patterns.Substrings

class Substrings
extends Object

A list of strings that are expected to occur in a larger string in the given order, with optional requirements for them to start/end the text. This class is used to avoid more expensive regular expression matching where possible.

Field Summary

Fields

Modifier and Type	Field	Description
private final int	minLength
(package private) final boolean	mustEnd	Whether the last of substrings must occur at the matched fragment end
(package private) final boolean	mustStart	Whether the first of substrings must occur at the matched fragment start
(package private) final String[]	substrings

Constructor Summary

Constructors

Modifier	Constructor	Description
(package private)	Substrings(boolean mustStart, boolean mustEnd, String[] substrings)
private	Substrings(boolean mustStart, boolean mustEnd, String[] substrings, int minLength)

Method Summary

Modifier and Type	Method	Description
(package private) Substrings	checkCanReplaceRegex(String regexp)
(package private) Substrings	concat(Substrings another)
private boolean	containsSubstrings(String text, boolean caseSensitive, int textPos, int firstSubstringIndex)
(package private) int	find(String text, boolean caseSensitive)	Check whether text contains all required substrings and returns the index of the first of them, or -1 if the text doesn't contain these substrings.
private static int	findNext(String text, int from, char up, char low)
private static int	indexOf(String text, String substring, boolean caseSensitive, int from)
private static int	indexOfIgnoreCase(String text, String substring, int from)
(package private) boolean	matches(String text, boolean caseSensitive)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

substrings

final String[] substrings

minLength

private final int minLength

mustStart

final boolean mustStart

Whether the first of substrings must occur at the matched fragment start

mustEnd

final boolean mustEnd

Whether the last of substrings must occur at the matched fragment end

Constructor Details

Substrings

Substrings(boolean mustStart,
 boolean mustEnd,
 String[] substrings)

Substrings

private Substrings(boolean mustStart,
 boolean mustEnd,
 String[] substrings,
 int minLength)

Method Details

checkCanReplaceRegex

@Nullable
Substrings checkCanReplaceRegex(String regexp)

Returns:

a version of this Substrings object whose matches(java.lang.String, boolean) could completely replace the given regexp, or null if that's not feasible.

toString

public String toString()

Overrides:

toString in class Object

concat

Substrings concat(Substrings another)

find

int find(String text,
 boolean caseSensitive)

Check whether text contains all required substrings and returns the index of the first of them, or -1 if the text doesn't contain these substrings.

matches

boolean matches(String text,
 boolean caseSensitive)

Returns:

whether the given text contains all the required substrings

containsSubstrings

private boolean containsSubstrings(String text,
 boolean caseSensitive,
 int textPos,
 int firstSubstringIndex)

indexOf

private static int indexOf(String text,
 String substring,
 boolean caseSensitive,
 int from)

indexOfIgnoreCase

private static int indexOfIgnoreCase(String text,
 String substring,
 int from)

findNext

private static int findNext(String text,
 int from,
 char up,
 char low)