de.intarsys.pdf.content.text.CSTextSearchCandidate Maven / Gradle / Ivy

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/*
 * intarsys consulting gmbh
 * all rights reserved
 *
 */
package de.intarsys.pdf.content.text;

import java.awt.geom.Rectangle2D;

/**
 * A single potential search hit.
 * 
 */
public class CSTextSearchCandidate {

	final private CSTextSearchHit hit = new CSTextSearchHit();

	final private CSTextSearcher searcher;

	private int index = 0;

	private char[] suffix = new char[CSTextSearcher.FLOATING_CONTEXT_LENGTH];

	private int suffixPos = 0;

	public CSTextSearchCandidate(CSTextSearcher searcher) {
		super();
		this.searcher = searcher;
	}

	public boolean accept(char c, Rectangle2D charRect) {
		char currentChar = searcher.basicGetSearchString().charAt(index);
		char checkChar = c;
		if (searcher.isIgnoreCase()) {
			checkChar = Character.toLowerCase(c);
		}
		if (currentChar == checkChar) {
			hit.add(c, charRect);
			index++;
			return true;
		}
		return false;
	}

	public boolean acceptSuffix(char c) {
		suffix[suffixPos++] = c;
		if (suffixPos >= CSTextSearcher.FLOATING_CONTEXT_LENGTH) {
			flush();
			return false;
		}
		return true;
	}

	public void flush() {
		hit.setSuffix(new String(suffix, 0, suffixPos));
	}

	public CSTextSearchHit getHit() {
		return hit;
	}

	public boolean isComplete() {
		return index >= searcher.basicGetSearchString().length();
	}

	public void setPrefix(String prefix) {
		hit.setPrefix(prefix);
	}

	public void setSuffix(String suffix) {
		hit.setSuffix(suffix);
	}
}