/*
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* Copyright 2012 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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#import "ZXCalendarParsedResult.h"
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#import "ZXResult.h"
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#import "ZXVCardResultParser.h"
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#import "ZXVEventResultParser.h"
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@implementation ZXVEventResultParser
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- (ZXParsedResult *)parse:(ZXResult *)result {
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NSString *rawText = [ZXResultParser massagedText:result];
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if (rawText == nil) {
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return nil;
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}
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NSUInteger vEventStart = [rawText rangeOfString:@"BEGIN:VEVENT"].location;
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if (vEventStart == NSNotFound) {
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return nil;
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}
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NSString *summary = [self matchSingleVCardPrefixedField:@"SUMMARY" rawText:rawText trim:YES];
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NSString *start = [self matchSingleVCardPrefixedField:@"DTSTART" rawText:rawText trim:YES];
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if (start == nil) {
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return nil;
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}
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NSString *end = [self matchSingleVCardPrefixedField:@"DTEND" rawText:rawText trim:YES];
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NSString *duration = [self matchSingleVCardPrefixedField:@"DURATION" rawText:rawText trim:YES];
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NSString *location = [self matchSingleVCardPrefixedField:@"LOCATION" rawText:rawText trim:YES];
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NSString *organizer = [self stripMailto:[self matchSingleVCardPrefixedField:@"ORGANIZER" rawText:rawText trim:YES]];
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NSMutableArray *attendees = [self matchVCardPrefixedField:@"ATTENDEE" rawText:rawText trim:YES];
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if (attendees != nil) {
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for (int i = 0; i < attendees.count; i++) {
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attendees[i] = [self stripMailto:attendees[i]];
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}
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}
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NSString *description = [self matchSingleVCardPrefixedField:@"DESCRIPTION" rawText:rawText trim:YES];
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NSString *geoString = [self matchSingleVCardPrefixedField:@"GEO" rawText:rawText trim:YES];
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double latitude;
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double longitude;
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if (geoString == nil) {
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latitude = NAN;
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longitude = NAN;
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} else {
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NSUInteger semicolon = [geoString rangeOfString:@";"].location;
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if (semicolon == NSNotFound) {
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return nil;
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}
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latitude = [[geoString substringToIndex:semicolon] doubleValue];
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longitude = [[geoString substringFromIndex:semicolon + 1] doubleValue];
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}
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@try {
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return [ZXCalendarParsedResult calendarParsedResultWithSummary:summary
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startString:start
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endString:end
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durationString:duration
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location:location
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organizer:organizer
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attendees:attendees
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description:description
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latitude:latitude
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longitude:longitude];
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} @catch (NSException *iae) {
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return nil;
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}
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}
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- (NSString *)matchSingleVCardPrefixedField:(NSString *)prefix rawText:(NSString *)rawText trim:(BOOL)trim {
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NSArray *values = [ZXVCardResultParser matchSingleVCardPrefixedField:prefix rawText:rawText trim:trim parseFieldDivider:NO];
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return values == nil || values.count == 0 ? nil : values[0];
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}
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- (NSMutableArray *)matchVCardPrefixedField:(NSString *)prefix rawText:(NSString *)rawText trim:(BOOL)trim {
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NSMutableArray *values = [ZXVCardResultParser matchVCardPrefixedField:prefix rawText:rawText trim:trim parseFieldDivider:NO];
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if (values == nil || values.count == 0) {
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return nil;
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}
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NSUInteger size = values.count;
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NSMutableArray *result = [NSMutableArray arrayWithCapacity:size];
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for (int i = 0; i < size; i++) {
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[result addObject:values[i][0]];
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}
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return result;
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}
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- (NSString *)stripMailto:(NSString *)s {
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if (s != nil && ([s hasPrefix:@"mailto:"] || [s hasPrefix:@"MAILTO:"])) {
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s = [s substringFromIndex:7];
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}
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return s;
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}
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@end
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