| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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. |
| */ |
| package com.android.vcard; |
| |
| import java.util.Set; |
| |
| |
| /** |
| * <p> |
| * Basic implementation parsing vCard 4.0. |
| * </p> |
| * <p> |
| * vCard 4.0 is not published yet. Also this implementation is premature. |
| * </p> |
| * @hide |
| */ |
| /* package */ class VCardParserImpl_V40 extends VCardParserImpl_V30 { |
| // private static final String LOG_TAG = "VCardParserImpl_V40"; |
| |
| public VCardParserImpl_V40() { |
| super(); |
| } |
| |
| public VCardParserImpl_V40(final int vcardType) { |
| super(vcardType); |
| } |
| |
| @Override |
| protected int getVersion() { |
| return VCardConfig.VERSION_40; |
| } |
| |
| @Override |
| protected String getVersionString() { |
| return VCardConstants.VERSION_V40; |
| } |
| |
| /** |
| * We escape "\N" into new line for safety. |
| */ |
| @Override |
| protected String maybeUnescapeText(final String text) { |
| return unescapeText(text); |
| } |
| |
| public static String unescapeText(final String text) { |
| // TODO: more strictly, vCard 4.0 requires different type of unescaping rule |
| // toward each property. |
| final StringBuilder builder = new StringBuilder(); |
| final int length = text.length(); |
| for (int i = 0; i < length; i++) { |
| char ch = text.charAt(i); |
| if (ch == '\\' && i < length - 1) { |
| final char next_ch = text.charAt(++i); |
| if (next_ch == 'n' || next_ch == 'N') { |
| builder.append("\n"); |
| } else { |
| builder.append(next_ch); |
| } |
| } else { |
| builder.append(ch); |
| } |
| } |
| return builder.toString(); |
| } |
| |
| public static String unescapeCharacter(final char ch) { |
| if (ch == 'n' || ch == 'N') { |
| return "\n"; |
| } else { |
| return String.valueOf(ch); |
| } |
| } |
| |
| @Override |
| protected Set<String> getKnownPropertyNameSet() { |
| return VCardParser_V40.sKnownPropertyNameSet; |
| } |
| } |