/*
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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 "ZXEmailAddressParsedResult.h"
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#import "ZXEmailDoCoMoResultParser.h"
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#import "ZXResult.h"
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static NSRegularExpression *ZX_ATEXT_ALPHANUMERIC = nil;
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@implementation ZXEmailDoCoMoResultParser
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+ (void)initialize {
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if ([self class] != [ZXEmailDoCoMoResultParser class]) return;
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ZX_ATEXT_ALPHANUMERIC = [[NSRegularExpression alloc] initWithPattern:@"^[a-zA-Z0-9@.!#$%&'*+\\-/=?^_`{|}~]+$"
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options:0 error:nil];
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}
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- (ZXParsedResult *)parse:(ZXResult *)result {
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NSString *rawText = [ZXResultParser massagedText:result];
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if (![rawText hasPrefix:@"MATMSG:"]) {
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return nil;
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}
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NSArray *tos = [[self class] matchDoCoMoPrefixedField:@"TO:" rawText:rawText trim:YES];
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if (tos == nil) {
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return nil;
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}
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for (NSString *to in tos) {
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if (![[self class] isBasicallyValidEmailAddress:to]) {
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return nil;
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}
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}
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NSString *subject = [[self class] matchSingleDoCoMoPrefixedField:@"SUB:" rawText:rawText trim:NO];
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NSString *body = [[self class] matchSingleDoCoMoPrefixedField:@"BODY:" rawText:rawText trim:NO];
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return [[ZXEmailAddressParsedResult alloc] initWithTos:tos ccs:nil bccs:nil subject:subject body:body];
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}
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+ (BOOL)isBasicallyValidEmailAddress:(NSString *)email {
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return email != nil && [ZX_ATEXT_ALPHANUMERIC numberOfMatchesInString:email options:0 range:NSMakeRange(0, email.length)] > 0 && [email rangeOfString:@"@"].location != NSNotFound;
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}
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@end
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