pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / core / util / UnescapedCharSequence.java

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 (file)
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());
-  }
-}