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package morfologik.fsa;
/**
* A matching result returned from {@link FSATraversal}.
*
* @see FSATraversal
*/
public final class MatchResult {
/**
* The automaton has exactly one match for the input sequence.
*/
public static final int EXACT_MATCH = 0;
/**
* The automaton has no match for the input sequence.
*/
public static final int NO_MATCH = -1;
/**
* The automaton contains a prefix of the input sequence. That is:
* one of the input sequences used to build the automaton is a
* prefix of the input sequence that is shorter than the sequence.
*
* <p>{@link MatchResult#index} will contain an index of the
* first character of the input sequence not present in the
* dictionary.</p>
*/
public static final int AUTOMATON_HAS_PREFIX = -3;
/**
* The sequence is a prefix of at least one sequence in the automaton.
* {@link MatchResult#node} returns the node from which all sequences
* with the given prefix start in the automaton.
*/
public static final int SEQUENCE_IS_A_PREFIX = -4;
/**
* One of the match kind constants defined in this class.
*
* @see #NO_MATCH
* @see #EXACT_MATCH
* @see #AUTOMATON_HAS_PREFIX
* @see #SEQUENCE_IS_A_PREFIX
*/
public int kind;
/**
* Input sequence's index, interpretation depends on {@link #kind}.
*/
public int index;
/**
* Automaton node, interpretation depends on the {@link #kind}.
*/
public int node;
/*
*
*/
MatchResult(int kind, int index, int node) {
reset(kind, index, node);
}
/*
*
*/
MatchResult(int kind) {
reset(kind, 0, 0);
}
/*
*
*/
public MatchResult() {
reset(NO_MATCH, 0, 0);
}
/*
*
*/
final void reset(int kind, int index, int node) {
this.kind = kind;
this.index = index;
this.node = node;
}
}
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