mirror of
https://github.com/zxing/zxing.git
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d4efd44fb0
git-svn-id: https://zxing.googlecode.com/svn/trunk@1202 59b500cc-1b3d-0410-9834-0bbf25fbcc57
230 lines
7.7 KiB
C#
Executable file
230 lines
7.7 KiB
C#
Executable file
/*
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* Copyright 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using Result = com.google.zxing.Result;
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namespace com.google.zxing.client.result
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{
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/// <summary> Parses contact information formatted according to the VCard (2.1) format. This is not a complete
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/// implementation but should parse information as commonly encoded in 2D barcodes.
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///
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/// </summary>
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/// <author> Sean Owen
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/// </author>
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/// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source
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/// </author>
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sealed class VCardResultParser:ResultParser
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{
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private VCardResultParser()
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{
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}
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public static AddressBookParsedResult parse(Result result)
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{
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// Although we should insist on the raw text ending with "END:VCARD", there's no reason
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// to throw out everything else we parsed just because this was omitted. In fact, Eclair
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// is doing just that, and we can't parse its contacts without this leniency.
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System.String rawText = result.Text;
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if (rawText == null || !rawText.StartsWith("BEGIN:VCARD"))
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{
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return null;
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}
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System.String[] names = matchVCardPrefixedField("FN", rawText, true);
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if (names == null)
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{
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// If no display names found, look for regular name fields and format them
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names = matchVCardPrefixedField("N", rawText, true);
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formatNames(names);
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}
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System.String[] phoneNumbers = matchVCardPrefixedField("TEL", rawText, true);
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System.String[] emails = matchVCardPrefixedField("EMAIL", rawText, true);
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System.String note = matchSingleVCardPrefixedField("NOTE", rawText, false);
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System.String[] addresses = matchVCardPrefixedField("ADR", rawText, true);
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if (addresses != null)
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{
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for (int i = 0; i < addresses.Length; i++)
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{
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addresses[i] = formatAddress(addresses[i]);
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}
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}
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System.String org = matchSingleVCardPrefixedField("ORG", rawText, true);
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System.String birthday = matchSingleVCardPrefixedField("BDAY", rawText, true);
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if (!isLikeVCardDate(birthday))
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{
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birthday = null;
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}
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System.String title = matchSingleVCardPrefixedField("TITLE", rawText, true);
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System.String url = matchSingleVCardPrefixedField("URL", rawText, true);
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return new AddressBookParsedResult(names, null, phoneNumbers, emails, note, addresses, org, birthday, title, url);
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}
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private static System.String[] matchVCardPrefixedField(System.String prefix, System.String rawText, bool trim)
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{
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System.Collections.ArrayList matches = null;
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int i = 0;
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int max = rawText.Length;
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while (i < max)
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{
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//UPGRADE_WARNING: Method 'java.lang.String.indexOf' was converted to 'System.String.IndexOf' which may throw an exception. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1101'"
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i = rawText.IndexOf(prefix, i);
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if (i < 0)
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{
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break;
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}
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if (i > 0 && rawText[i - 1] != '\n')
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{
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// then this didn't start a new token, we matched in the middle of something
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i++;
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continue;
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}
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i += prefix.Length; // Skip past this prefix we found to start
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if (rawText[i] != ':' && rawText[i] != ';')
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{
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continue;
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}
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while (rawText[i] != ':')
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{
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// Skip until a colon
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i++;
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}
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i++; // skip colon
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int start = i; // Found the start of a match here
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//UPGRADE_WARNING: Method 'java.lang.String.indexOf' was converted to 'System.String.IndexOf' which may throw an exception. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1101'"
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i = rawText.IndexOf('\n', i); // Really, ends in \r\n
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if (i < 0)
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{
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// No terminating end character? uh, done. Set i such that loop terminates and break
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i = max;
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}
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else if (i > start)
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{
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// found a match
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if (matches == null)
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{
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matches = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(3)); // lazy init
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}
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System.String element = rawText.Substring(start, (i) - (start));
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if (trim)
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{
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element = element.Trim();
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}
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matches.Add(element);
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i++;
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}
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else
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{
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i++;
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}
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}
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if (matches == null || (matches.Count == 0))
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{
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return null;
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}
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return toStringArray(matches);
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}
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internal static System.String matchSingleVCardPrefixedField(System.String prefix, System.String rawText, bool trim)
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{
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System.String[] values = matchVCardPrefixedField(prefix, rawText, trim);
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return values == null?null:values[0];
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}
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private static bool isLikeVCardDate(System.String value_Renamed)
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{
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if (value_Renamed == null)
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{
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return true;
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}
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// Not really sure this is true but matches practice
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// Mach YYYYMMDD
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if (isStringOfDigits(value_Renamed, 8))
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{
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return true;
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}
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// or YYYY-MM-DD
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return value_Renamed.Length == 10 && value_Renamed[4] == '-' && value_Renamed[7] == '-' && isSubstringOfDigits(value_Renamed, 0, 4) && isSubstringOfDigits(value_Renamed, 5, 2) && isSubstringOfDigits(value_Renamed, 8, 2);
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}
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private static System.String formatAddress(System.String address)
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{
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if (address == null)
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{
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return null;
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}
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int length = address.Length;
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System.Text.StringBuilder newAddress = new System.Text.StringBuilder(length);
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for (int j = 0; j < length; j++)
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{
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char c = address[j];
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if (c == ';')
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{
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newAddress.Append(' ');
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}
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else
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{
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newAddress.Append(c);
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}
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}
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return newAddress.ToString().Trim();
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}
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/// <summary> Formats name fields of the form "Public;John;Q.;Reverend;III" into a form like
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/// "Reverend John Q. Public III".
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///
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/// </summary>
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/// <param name="names">name values to format, in place
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/// </param>
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private static void formatNames(System.String[] names)
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{
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if (names != null)
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{
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for (int i = 0; i < names.Length; i++)
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{
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System.String name = names[i];
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System.String[] components = new System.String[5];
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int start = 0;
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int end;
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int componentIndex = 0;
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//UPGRADE_WARNING: Method 'java.lang.String.indexOf' was converted to 'System.String.IndexOf' which may throw an exception. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1101'"
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while ((end = name.IndexOf(';', start)) > 0)
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{
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components[componentIndex] = name.Substring(start, (end) - (start));
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componentIndex++;
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start = end + 1;
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}
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components[componentIndex] = name.Substring(start);
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System.Text.StringBuilder newName = new System.Text.StringBuilder(100);
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maybeAppendComponent(components, 3, newName);
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maybeAppendComponent(components, 1, newName);
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maybeAppendComponent(components, 2, newName);
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maybeAppendComponent(components, 0, newName);
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maybeAppendComponent(components, 4, newName);
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names[i] = newName.ToString().Trim();
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}
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}
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}
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private static void maybeAppendComponent(System.String[] components, int i, System.Text.StringBuilder newName)
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{
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if (components[i] != null)
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{
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newName.Append(' ');
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newName.Append(components[i]);
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}
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}
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}
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} |