4
4
* Copyright (C) 2009 to 2011 Tim Marston <tim@ed.am>
6
6
* This file is part of the Import Contacts program (hereafter referred
7
* to as "this program"). For more information, see
7
* to as "this program"). For more information, see
8
8
* http://ed.am/dev/android/import-contacts
10
10
* This program is free software: you can redistribute it and/or modify
133
133
boolean in_vcard = false;
134
134
while( ( line = reader.readLine() ) != null )
138
137
// look for vcard beginning
139
if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VCARD.*" ) ) {
138
if( line.matches( "^BEGIN:VCARD" ) ) {
143
// check for vMsg files
144
else if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VMSG.*" ) ) {
145
showError( getText( R.string.error_vcf_vmsgfile )
149
else if( line.matches( "(?i)END[ \t]*:[ \t]*VCARD.*" ) )
143
else if( line.matches( "^END:VCARD" ) )
150
144
in_vcard = false;
182
176
importVCardFileContent( content, file.getName() );
184
catch( OutOfMemoryError e ) {
185
showError( R.string.error_outofmemory );
187
178
catch( FileNotFoundException e ) {
188
179
showError( getText( R.string.error_filenotfound ) +
189
180
file.getName() );
202
193
ContentLineIterator cli = new ContentLineIterator( content );
203
194
while( cli.hasNext() )
205
ContentLine content_line = cli.next();
196
ByteBuffer buffer = cli.next();
207
// get a US-ASCII version of the string, for processing
208
String line = content_line.getUsAsciiLine();
198
// get a US-ASCII version of the line for processing
201
line = new String( buffer.array(), buffer.position(),
202
buffer.limit() - buffer.position(), "US-ASCII" );
204
catch( UnsupportedEncodingException e ) {
205
// we know US-ASCII is supported, so appease the compiler...
210
209
if( vcard == null ) {
211
210
// look for vcard beginning
212
if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VCARD.*" ) ) {
211
if( line.matches( "^BEGIN[ \t]*:[ \t]*VCARD" ) ) {
213
212
setProgress( _progress++ );
214
213
vcard = new Vcard();
215
214
vcard_start_line = cli.getLineNumber();
261
260
// try giving the line to the vcard
263
vcard.parseLine( content_line );
262
vcard.parseLine( buffer, line,
263
cli.doesNextLineLookFolded() );
265
265
catch( Vcard.ParseException e ) {
273
273
finish( ACTION_ABORT );
276
// Although we're continuing, we still need to abort
277
// this vCard. Further lines will be ignored until we
276
// although we're continuing, we still need to abort
277
// this vCard. Further lines will be ignored until we
278
278
// get to another BEGIN:VCARD line.
281
281
catch( Vcard.SkipImportException e ) {
283
// Abort this vCard. Further lines will be ignored until
283
// abort this vCard. Further lines will be ignored until
284
284
// we get to another BEGIN:VCARD line.
294
private ByteBuffer _buffer;
295
private boolean _folded_next;
296
private String _line;
298
public ContentLine( ByteBuffer buffer, boolean folded_next )
301
_folded_next = folded_next;
305
public ByteBuffer getBuffer()
310
public boolean doesNextLineLookFolded()
315
public String getUsAsciiLine()
317
// generated line and cache it
318
if( _line == null ) {
320
_line = new String( _buffer.array(), _buffer.position(),
321
_buffer.limit() - _buffer.position(), "US-ASCII" );
323
catch( UnsupportedEncodingException e ) {
324
// we know US-ASCII *is* supported, so appease the
329
// return cached line
334
class ContentLineIterator implements Iterator< ContentLine >
292
class ContentLineIterator implements Iterator< ByteBuffer >
336
294
protected byte[] _content = null;
337
295
protected int _pos = 0;
362
320
_pos > initial_pos )? _pos - 1 : _pos;
365
return new ContentLine(
366
ByteBuffer.wrap( _content, initial_pos,
368
doesNextLineLookFolded() );
323
return ByteBuffer.wrap( _content, initial_pos,
371
327
// we didn't find one, but were there bytes left?
376
return new ContentLine(
377
ByteBuffer.wrap( _content, initial_pos,
379
doesNextLineLookFolded() );
332
return ByteBuffer.wrap( _content, initial_pos,
394
348
* onto the end of this one?
397
private boolean doesNextLineLookFolded()
351
public boolean doesNextLineLookFolded()
399
353
return _pos > 0 && _pos < _content.length &&
400
354
_content[ _pos - 1 ] == '\n' &&
419
373
private final static int MULTILINE_FOLDED = 3; // MIME-DIR folding
421
375
private String _version = null;
422
private Vector< ContentLine > _content_lines = null;
376
private Vector< ByteBuffer > _buffers = null;
423
377
private int _name_level = NAMELEVEL_NONE;
424
378
private int _parser_multiline_state = MULTILINE_NONE;
425
379
private String _parser_current_name_and_params = null;
468
422
@SuppressWarnings("serial")
469
423
protected class SkipImportException extends Exception { }
471
private String extractCollonPartFromLine( ContentLine content_line,
425
private String extractCollonPartFromLine( ByteBuffer buffer,
426
String line, boolean former )
474
428
String ret = null;
430
// get a US-ASCII version of the line for processing, unless we were
434
line = new String( buffer.array(), buffer.position(),
435
buffer.limit() - buffer.position(), "US-ASCII" );
437
catch( UnsupportedEncodingException e ) {
438
// we know US-ASCII is supported, so appease the compiler...
476
443
// split line into name and value parts and check to make sure we
477
444
// only got 2 parts and that the first part is not zero in length
478
String[] parts = content_line.getUsAsciiLine().split( ":", 2 );
445
String[] parts = line.split( ":", 2 );
479
446
if( parts.length == 2 && parts[ 0 ].length() > 0 )
480
447
ret = parts[ former? 0 : 1 ];
485
private String extractNameAndParamsFromLine( ContentLine content_line )
487
return extractCollonPartFromLine( content_line, true ).trim();
490
private String extractValueFromLine( ContentLine content_line )
492
return extractCollonPartFromLine( content_line, false );
495
public void parseLine( ContentLine content_line )
452
private String extractNameAndParamsFromLine( ByteBuffer buffer,
455
return extractCollonPartFromLine( buffer, line, true );
458
private String extractValueFromLine( ByteBuffer buffer, String line )
460
return extractCollonPartFromLine( buffer, line, false );
463
public void parseLine( ByteBuffer buffer, String line,
464
boolean next_line_looks_folded )
496
465
throws ParseException, SkipImportException,
497
466
AbortImportException
502
471
// tentatively get name and params from line
503
472
String name_and_params =
504
extractNameAndParamsFromLine( content_line );
473
extractNameAndParamsFromLine( buffer, line );
506
475
// is it a version line?
507
476
if( name_and_params != null &&
508
477
name_and_params.equalsIgnoreCase( "VERSION" ) )
511
String value = extractValueFromLine( content_line ).trim();
480
String value = extractValueFromLine( buffer, line );
512
481
if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
513
482
throw new ParseException( R.string.error_vcf_version );
514
483
_version = value;
516
485
// parse any buffers we've been accumulating while we waited
518
if( _content_lines != null )
519
for( int i = 0; i < _content_lines.size(); i++ )
520
parseLine( _content_lines.get( i ) );
521
_content_lines = null;
487
if( _buffers != null )
488
for( int i = 0; i < _buffers.size(); i++ )
489
parseLine( _buffers.get( i ), null,
490
i + 1 < _buffers.size() &&
491
_buffers.get( i + 1 ).hasRemaining() &&
492
_buffers.get( i + 1 ).get(
493
_buffers.get( i + 1 ).position() ) == ' ' );
525
498
// no, so stash this line till we get a version
526
if( _content_lines == null )
527
_content_lines = new Vector< ContentLine >();
528
_content_lines.add( content_line );
499
if( _buffers == null )
500
_buffers = new Vector< ByteBuffer >();
501
_buffers.add( buffer );
533
506
// name and params and the position in the buffer where the
534
// "value" part of the line starts
507
// "value" part of the line start
535
508
String name_and_params;
544
517
// skip some initial line characters, depending on the type
545
518
// of multi-line we're handling
546
pos = content_line.getBuffer().position();
519
pos = buffer.position();
547
520
switch( _parser_multiline_state )
549
522
case MULTILINE_FOLDED:
552
525
case MULTILINE_ENCODED:
553
while( pos < content_line.getBuffer().limit() && (
554
content_line.getBuffer().get( pos ) == ' ' ||
555
content_line.getBuffer().get( pos ) == '\t' ) )
526
while( pos < buffer.limit() && (
527
buffer.get( pos ) == ' ' ||
528
buffer.get( pos ) == '\t' ) )
571
if( content_line.getUsAsciiLine().trim().length() == 0 )
574
543
// get name and params from line, and since we're not
575
544
// parsing a subsequent line in a multi-line, this should
576
545
// not fail, or it's an error
577
546
name_and_params =
578
extractNameAndParamsFromLine( content_line );
547
extractNameAndParamsFromLine( buffer, line );
579
548
if( name_and_params == null )
580
549
throw new ParseException(
581
550
R.string.error_vcf_malformed );
583
552
// calculate how many chars to skip from beginning of line
584
553
// so we skip the property "name:" part
585
pos = content_line.getBuffer().position() +
586
name_and_params.length() + 1;
554
pos = buffer.position() + name_and_params.length() + 1;
588
556
// reset the saved multi-line state
589
557
_parser_current_name_and_params = name_and_params;
593
561
// get value from buffer, as raw bytes
594
562
ByteBuffer value;
595
value = ByteBuffer.wrap( content_line.getBuffer().array(), pos,
596
content_line.getBuffer().limit() - pos );
563
value = ByteBuffer.wrap( buffer.array(), pos,
564
buffer.limit() - pos );
598
566
// get parameter parts
599
567
String[] name_param_parts = name_and_params.split( ";", -1 );
606
574
"FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR", "LABEL" }
608
576
boolean is_interesting_field =
609
interesting_fields.contains(
610
name_param_parts[ 0 ].toUpperCase( Locale.US ) );
577
interesting_fields.contains( name_param_parts[ 0 ] );
612
579
// parse encoding parameter
613
580
String encoding = checkParam( name_param_parts, "ENCODING" );
687
654
// if we know we're not in an encoding-based multi-line, check
688
655
// to see if we're in a folded multi-line
689
656
if( _parser_multiline_state == MULTILINE_NONE &&
690
content_line.doesNextLineLookFolded() )
657
next_line_looks_folded )
692
659
_parser_multiline_state = MULTILINE_FOLDED;
753
720
String str = parts.get( a );
755
// Look for parts that end in an escape character, but ignore
756
// the final part. We've already detected escape chars at the
722
// look for parts that end in an escape character, but ignore
723
// the final part. We've already detected escape chars at the
757
724
// end of the final part in parseLine() and handled multi-lines
759
726
if( a < parts.size() - 1 &&
849
816
for( int b = 0; b < name_part_parts.length; b++ )
850
817
if( name_part_parts[ b ].length() > 0 )
852
if( value.length() > 0 ) value += " ";
819
if( value.length() == 0 ) value += " ";
853
820
value += name_part_parts[ b ];
1033
1000
throws ParseException, ContactNotIdentifiableException
1035
1002
// missing version (and data is present)
1036
if( _version == null && _content_lines != null )
1003
if( _version == null && _buffers != null )
1037
1004
throw new ParseException( R.string.error_vcf_malformed );
1039
1006
// finalise the parent class
1058
* Amongst the params, find the values of any with the specified name.
1024
* Amongst the params, find the values of any with the specified name
1060
1025
* @param params
1062
1027
* @return an array of values, or null
1081
* Amongst the params, return any type values present. For v2.1 vCards,
1082
* those types are just parameters. For v3.0, they are prefixed with
1083
* "TYPE=". There may also be multiple type parameters.
1046
* Amongst the params, return any type values present. For v2.1 vCards,
1047
* those types are just parameters. For v3.0, they are prefixed with
1048
* "TYPE=". There may also be multiple type parameters.
1085
1049
* @param params an array of params to look for types in
1086
1050
* @param valid_types an list of upper-case type values to look for
1087
1051
* @return a set of present type values
1095
1059
String type_params[] = checkParams( params, "TYPE" );
1096
1060
for( int a = 0; a < type_params.length; a++ )
1098
// check for a comma-separated list of types (why? I don't think
1099
// this is in the specs!)
1062
// check for a comma-separated list of types (why? this isn't in
1100
1064
String[] parts = type_params[ a ].split( "," );
1101
for( int i = 0; i < parts.length; i++ ) {
1102
String ucpart = parts[ i ].toUpperCase( Locale.US );
1103
if( valid_types.contains( ucpart ) )
1104
types.add( ucpart );
1065
for( int i = 0; i < parts.length; i++ )
1066
parts[ i ] = parts[ i ].toUpperCase( Locale.US );
1067
for( int i = 0; i < parts.length; i++ )
1068
if( valid_types.contains( parts[ i ] ) )
1069
types.add( parts[ i ] );
1108
1072
// get 2.1-style type param
1109
1073
if( _version.equals( "2.1" ) ) {
1110
for( int i = 1; i < params.length; i++ ) {
1111
String ucparam = params[ i ].toUpperCase( Locale.US );
1112
if( valid_types.contains( ucparam ) )
1113
types.add( ucparam );
1074
for( int i = 1; i < params.length; i++ )
1075
if( valid_types.contains( params[ i ] ) )
1076
types.add( params[ i ] );
1139
1101
else if( ch == '=' && i == in.limit() - 1 )
1141
1103
// we found a '=' at the end of a line signifying a multi-
1142
// line string, so we don't add it
1104
// line string, so we don't add it.
1143
1105
another = true;