VCardParserImpl_V30.java revision a76f41e328f31c2e9e9006160d8f65fe651eeb6a
14199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa/* 24199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * Copyright (C) 2010 The Android Open Source Project 34199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 44199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * Licensed under the Apache License, Version 2.0 (the "License"); 54199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * you may not use this file except in compliance with the License. 64199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * You may obtain a copy of the License at 74199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 84199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * http://www.apache.org/licenses/LICENSE-2.0 94199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 104199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * Unless required by applicable law or agreed to in writing, software 114199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * distributed under the License is distributed on an "AS IS" BASIS, 124199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * See the License for the specific language governing permissions and 144199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * limitations under the License. 154199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 164199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawapackage com.android.vcard; 174199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 184199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawaimport android.util.Log; 194199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 204199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawaimport com.android.vcard.exception.VCardException; 214199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 224199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawaimport java.io.IOException; 234199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawaimport java.util.Set; 244199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 254199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa/** 264199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * <p> 274199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * Basic implementation achieving vCard 3.0 parsing. 284199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * </p> 294199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * <p> 304199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * This class inherits vCard 2.1 implementation since technically they are similar, 314199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * while specifically there's logical no relevance between them. 324199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * So that developers are not confused with the inheritance, 334199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * {@link VCardParser_V30} does not inherit {@link VCardParser_V21}, while 344199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * {@link VCardParserImpl_V30} inherits {@link VCardParserImpl_V21}. 354199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * </p> 364199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * @hide 374199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 384199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa/* package */ class VCardParserImpl_V30 extends VCardParserImpl_V21 { 394199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa private static final String LOG_TAG = "VCardParserImpl_V30"; 404199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 414199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa private String mPreviousLine; 424199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa private boolean mEmittedAgentWarning = false; 434199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 444199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa public VCardParserImpl_V30() { 454199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super(); 464199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 474199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 484199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa public VCardParserImpl_V30(int vcardType) { 494199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super(vcardType); 504199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 514199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 524199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 534199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected int getVersion() { 54be378d5b188f51cf717e5309e3c39180e85833a8Daisuke Miyakawa return VCardConfig.VERSION_30; 554199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 564199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 574199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 584199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected String getVersionString() { 594199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return VCardConstants.VERSION_V30; 604199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 614199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 624199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 634199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected String getLine() throws IOException { 644199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (mPreviousLine != null) { 654199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String ret = mPreviousLine; 664199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = null; 674199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return ret; 684199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 694199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return mReader.readLine(); 704199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 714199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 724199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 734199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /** 744199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * vCard 3.0 requires that the line with space at the beginning of the line 754199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * must be combined with previous line. 764199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 774199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 784199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected String getNonEmptyLine() throws IOException, VCardException { 794199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String line; 804199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa StringBuilder builder = null; 814199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa while (true) { 824199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa line = mReader.readLine(); 834199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (line == null) { 844199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (builder != null) { 854199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return builder.toString(); 864199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (mPreviousLine != null) { 874199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String ret = mPreviousLine; 884199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = null; 894199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return ret; 904199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 914199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throw new VCardException("Reached end of buffer."); 924199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (line.length() == 0) { 934199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (builder != null) { 944199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return builder.toString(); 954199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (mPreviousLine != null) { 964199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String ret = mPreviousLine; 974199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = null; 984199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return ret; 994199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1004199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (line.charAt(0) == ' ' || line.charAt(0) == '\t') { 1014199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (builder != null) { 1024199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // See Section 5.8.1 of RFC 2425 (MIME-DIR document). 1034199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // Following is the excerpts from it. 1044199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 1054199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // DESCRIPTION:This is a long description that exists on a long line. 1064199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 1074199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // Can be represented as: 1084199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 1094199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // DESCRIPTION:This is a long description 1104199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // that exists on a long line. 1114199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 1124199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // It could also be represented as: 1134199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 1144199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // DESCRIPTION:This is a long descrip 1154199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // tion that exists o 1164199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // n a long line. 1174199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(line.substring(1)); 1184199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (mPreviousLine != null) { 1194199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder = new StringBuilder(); 1204199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(mPreviousLine); 1214199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = null; 1224199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(line.substring(1)); 1234199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 1244199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throw new VCardException("Space exists at the beginning of the line"); 1254199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1264199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 1274199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (mPreviousLine == null) { 1284199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = line; 1294199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (builder != null) { 1304199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return builder.toString(); 1314199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1324199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 1334199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String ret = mPreviousLine; 1344199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = line; 1354199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return ret; 1364199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1374199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1384199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1394199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1404199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1414199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /* 1424199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * vcard = [group "."] "BEGIN" ":" "VCARD" 1 * CRLF 1434199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 1 * (contentline) 1444199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * ;A vCard object MUST include the VERSION, FN and N types. 1454199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * [group "."] "END" ":" "VCARD" 1 * CRLF 1464199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 1474199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 1484199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected boolean readBeginVCard(boolean allowGarbage) throws IOException, VCardException { 1494199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // TODO: vCard 3.0 supports group. 1504199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return super.readBeginVCard(allowGarbage); 1514199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1524199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1534199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 1544199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected void readEndVCard(boolean useCache, boolean allowGarbage) 1554199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throws IOException, VCardException { 1564199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // TODO: vCard 3.0 supports group. 1574199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super.readEndVCard(useCache, allowGarbage); 1584199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1594199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1604199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /** 1614199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * vCard 3.0 allows iana-token as paramType, while vCard 2.1 does not. 1624199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 1634199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 1644199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected void handleParams(final String params) throws VCardException { 1654199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa try { 1664199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super.handleParams(params); 1674199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } catch (VCardException e) { 1684199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // maybe IANA type 1694199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa String[] strArray = params.split("=", 2); 1704199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (strArray.length == 2) { 1714199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa handleAnyParam(strArray[0], strArray[1]); 1724199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 1734199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // Must not come here in the current implementation. 1744199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throw new VCardException( 1754199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa "Unknown params value: " + params); 1764199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1774199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1784199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1794199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1804199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 1814199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected void handleAnyParam(final String paramName, final String paramValue) { 1824199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super.handleAnyParam(paramName, paramValue); 1834199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1844199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1854199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 1864199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected void handleParamWithoutName(final String paramValue) throws VCardException { 1874199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa super.handleParamWithoutName(paramValue); 1884199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 1894199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 1904199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /* 1914199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * vCard 3.0 defines 1924199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 1934199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * param = param-name "=" param-value *("," param-value) 1944199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * param-name = iana-token / x-name 1954199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * param-value = ptext / quoted-string 1964199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * quoted-string = DQUOTE QSAFE-CHAR DQUOTE 197a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa * QSAFE-CHAR = WSP / %x21 / %x23-7E / NON-ASCII 198a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa * ; Any character except CTLs, DQUOTE 199a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa * 200a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa * QSAFE-CHAR must not contain DQUOTE, including escaped one (\"). 2014199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 2024199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 203a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa protected void handleType(final String paramvalues) { 204a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (mInterpreter != null) { 205a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa mInterpreter.propertyParamType("TYPE"); 206a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa 207a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // "comma,separated:inside.dquote",pref 208a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // --> 209a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // - comma,separated:inside.dquote 210a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // - pref 211a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // 212a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // Note: Though there's a code, we don't need to take much care of 213a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // wrongly-added quotes like the example above, as they induce 214a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // parse errors at the top level (when splitting a line into parts). 215a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa StringBuilder builder = null; // Delay initialization. 216a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa boolean insideDquote = false; 217a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa final int length = paramvalues.length(); 218a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa for (int i = 0; i < length; i = paramvalues.offsetByCodePoints(i, 1)) { 219a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa final int codePoint = paramvalues.codePointAt(i); 220a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (codePoint == '"') { 221a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (insideDquote) { 222a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // End of Dquote. 223a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa mInterpreter.propertyParamValue(builder.toString()); 224a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa builder = null; 225a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa insideDquote = false; 226a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else { 227a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder != null) { 228a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder.length() > 0) { 229a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // e.g. 230a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // pref"quoted" 231a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa Log.w(LOG_TAG, "Unexpected Dquote inside property."); 232a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else { 233a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // e.g. 234a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // pref,"quoted" 235a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // "quoted",pref 236a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa mInterpreter.propertyParamValue(builder.toString()); 237a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 238a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 239a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa insideDquote = true; 240a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 241a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else if (codePoint == ',' && !insideDquote) { 242a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder == null) { 243a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa Log.w(LOG_TAG, "Comma is used before actual string comes. (" + 244a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa paramvalues + ")"); 245a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else { 246a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa mInterpreter.propertyParamValue(builder.toString()); 247a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa builder = null; 248a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 249a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else { 250a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // To stop creating empty StringBuffer at the end of parameter, 251a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // we delay creating this object until this point. 252a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder == null) { 253a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa builder = new StringBuilder(); 254a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 255a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa builder.appendCodePoint(codePoint); 256a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 257a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 258a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (insideDquote) { 259a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // e.g. 260a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa // "non-quote-at-end 261a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa Log.d(LOG_TAG, "Dangling Dquote."); 262a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 263a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder != null) { 264a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa if (builder.length() == 0) { 265a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa Log.w(LOG_TAG, "Unintended behavior. We must not see empty StringBuilder " + 266a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa "at the end of parameter value parsing."); 267a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } else { 268a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa mInterpreter.propertyParamValue(builder.toString()); 269a76f41e328f31c2e9e9006160d8f65fe651eeb6aDaisuke Miyakawa } 2704199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 2714199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 2724199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 2734199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 2744199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 2754199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected void handleAgent(final String propertyValue) { 2764199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // The way how vCard 3.0 supports "AGENT" is completely different from vCard 2.1. 2774199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2784199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // e.g. 2794199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // AGENT:BEGIN:VCARD\nFN:Joe Friday\nTEL:+1-919-555-7878\n 2804199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // TITLE:Area Administrator\, Assistant\n EMAIL\;TYPE=INTERN\n 2814199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // ET:jfriday@host.com\nEND:VCARD\n 2824199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2834199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // TODO: fix this. 2844199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2854199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // issue: 2864199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // vCard 3.0 also allows this as an example. 2874199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2884199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // AGENT;VALUE=uri: 2894199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // CID:JQPUBLIC.part3.960129T083020.xyzMail@host3.com 2904199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2914199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // This is not vCard. Should we support this? 2924199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // 2934199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa // Just ignore the line for now, since we cannot know how to handle it... 2944199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (!mEmittedAgentWarning) { 2954199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa Log.w(LOG_TAG, "AGENT in vCard 3.0 is not supported yet. Ignore it"); 2964199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mEmittedAgentWarning = true; 2974199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 2984199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 2994199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3004199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /** 3014199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * vCard 3.0 does not require two CRLF at the last of BASE64 data. 3024199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * It only requires that data should be MIME-encoded. 3034199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 3044199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 3054199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected String getBase64(final String firstString) 3064199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throws IOException, VCardException { 3074199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa final StringBuilder builder = new StringBuilder(); 3084199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(firstString); 3094199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3104199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa while (true) { 3114199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa final String line = getLine(); 3124199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (line == null) { 3134199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa throw new VCardException("File ended during parsing BASE64 binary"); 3144199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3154199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (line.length() == 0) { 3164199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa break; 3174199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else if (!line.startsWith(" ") && !line.startsWith("\t")) { 3184199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa mPreviousLine = line; 3194199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa break; 3204199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3214199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(line); 3224199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3234199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3244199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return builder.toString(); 3254199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3264199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3274199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa /** 3284199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * ESCAPED-CHAR = "\\" / "\;" / "\," / "\n" / "\N") 3294199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * ; \\ encodes \, \n or \N encodes newline 3304199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * ; \; encodes ;, \, encodes , 3314199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * 3324199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa * Note: Apple escapes ':' into '\:' while does not escape '\' 3334199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa */ 3344199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 3354199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected String maybeUnescapeText(final String text) { 3364199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return unescapeText(text); 3374199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3384199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3394199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa public static String unescapeText(final String text) { 3404199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa StringBuilder builder = new StringBuilder(); 3414199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa final int length = text.length(); 3424199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa for (int i = 0; i < length; i++) { 3434199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa char ch = text.charAt(i); 3444199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (ch == '\\' && i < length - 1) { 3454199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa final char next_ch = text.charAt(++i); 3464199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (next_ch == 'n' || next_ch == 'N') { 3474199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append("\n"); 3484199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 3494199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(next_ch); 3504199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3514199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 3524199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa builder.append(ch); 3534199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3544199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3554199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return builder.toString(); 3564199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3574199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3584199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 359be378d5b188f51cf717e5309e3c39180e85833a8Daisuke Miyakawa protected String maybeEscapeCharacter(final char ch) { 360be378d5b188f51cf717e5309e3c39180e85833a8Daisuke Miyakawa return escapeCharacter(ch); 3614199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3624199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 363be378d5b188f51cf717e5309e3c39180e85833a8Daisuke Miyakawa public static String escapeCharacter(final char ch) { 3644199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa if (ch == 'n' || ch == 'N') { 3654199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return "\n"; 3664199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } else { 3674199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return String.valueOf(ch); 3684199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3694199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3704199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa 3714199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa @Override 3724199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa protected Set<String> getKnownPropertyNameSet() { 3734199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa return VCardParser_V30.sKnownPropertyNameSet; 3744199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa } 3754199c54c527330ac01699b176e7bca186a3aa3a4Daisuke Miyakawa} 376