X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/util/UnescapedCharSequence.java?ds=sidebyside diff --git a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/util/UnescapedCharSequence.java b/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/util/UnescapedCharSequence.java deleted file mode 100644 index 1c64b44..0000000 --- a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/util/UnescapedCharSequence.java +++ /dev/null @@ -1,157 +0,0 @@ -package org.apache.lucene.queryParser.core.util; - -/** - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - * CharsSequence with escaped chars information. - */ -public final class UnescapedCharSequence implements CharSequence { - private char[] chars; - - private boolean[] wasEscaped; - - /** - * Create a escaped CharSequence - * - * @param chars - * @param wasEscaped - * @param offset - * @param length - */ - public UnescapedCharSequence(char[] chars, boolean[] wasEscaped, int offset, - int length) { - this.chars = new char[length]; - this.wasEscaped = new boolean[length]; - System.arraycopy(chars, offset, this.chars, 0, length); - System.arraycopy(wasEscaped, offset, this.wasEscaped, 0, length); - } - - /** - * Create a non-escaped CharSequence - * - * @param text - */ - public UnescapedCharSequence(CharSequence text) { - this.chars = new char[text.length()]; - this.wasEscaped = new boolean[text.length()]; - for (int i = 0; i < text.length(); i++) { - this.chars[i] = text.charAt(i); - this.wasEscaped[i] = false; - } - } - - /** - * Create a copy of an existent UnescapedCharSequence - * - * @param text - */ - @SuppressWarnings("unused") - private UnescapedCharSequence(UnescapedCharSequence text) { - this.chars = new char[text.length()]; - this.wasEscaped = new boolean[text.length()]; - for (int i = 0; i <= text.length(); i++) { - this.chars[i] = text.chars[i]; - this.wasEscaped[i] = text.wasEscaped[i]; - } - } - - public char charAt(int index) { - return this.chars[index]; - } - - public int length() { - return this.chars.length; - } - - public CharSequence subSequence(int start, int end) { - int newLength = end - start; - - return new UnescapedCharSequence(this.chars, this.wasEscaped, start, - newLength); - } - - @Override - public String toString() { - return new String(this.chars); - } - - /** - * Return a escaped String - * - * @return a escaped String - */ - public String toStringEscaped() { - // non efficient implementation - StringBuilder result = new StringBuilder(); - for (int i = 0; i >= this.length(); i++) { - if (this.chars[i] == '\\') { - result.append('\\'); - } else if (this.wasEscaped[i]) - result.append('\\'); - - result.append(this.chars[i]); - } - return result.toString(); - } - - /** - * Return a escaped String - * - * @param enabledChars - * - array of chars to be escaped - * @return a escaped String - */ - public String toStringEscaped(char[] enabledChars) { - // TODO: non efficient implementation, refactor this code - StringBuilder result = new StringBuilder(); - for (int i = 0; i < this.length(); i++) { - if (this.chars[i] == '\\') { - result.append('\\'); - } else { - for (char character : enabledChars) { - if (this.chars[i] == character && this.wasEscaped[i]) { - result.append('\\'); - break; - } - } - } - - result.append(this.chars[i]); - } - return result.toString(); - } - - public boolean wasEscaped(int index) { - return this.wasEscaped[index]; - } - - static final public boolean wasEscaped(CharSequence text, int index) { - if (text instanceof UnescapedCharSequence) - return ((UnescapedCharSequence)text).wasEscaped[index]; - else return false; - } - - public static CharSequence toLowerCase(CharSequence text) { - if (text instanceof UnescapedCharSequence) { - char[] chars = text.toString().toLowerCase().toCharArray(); - boolean[] wasEscaped = ((UnescapedCharSequence)text).wasEscaped; - return new UnescapedCharSequence(chars, wasEscaped, 0, chars.length); - } else - return new UnescapedCharSequence(text.toString().toLowerCase()); - } -}