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PhoneFormatter.m
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PhoneFormatter.m
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//
// PhoneFormatter.m
// MoiDoctor
//
// Created by Roma Bakenbard on 23.09.15.
// Copyright © 2015 Aleksey Novikov. All rights reserved.
//
#import "PhoneFormatter.h"
@implementation PhoneFormatter
- (id)init {
NSArray *ruPhoneFormats = [NSArray arrayWithObjects:
@"+# ### ###–##–##", nil];
NSArray *bankCardsFormats = [NSArray arrayWithObjects:
@"#### #### #### ####", nil];
NSArray *bankCardValidToFormats = [NSArray arrayWithObjects:
@"##/##", nil];
predefinedFormats = [[NSDictionary alloc] initWithObjectsAndKeys:
ruPhoneFormats, @"ru",
bankCardsFormats, @"card",
bankCardValidToFormats, @"validTo",
nil];
return self;
}
- (NSString *)format:(NSString *)phoneNumber addMask:(BOOL)addMask {
NSString *stripped_phone = [self strip:phoneNumber];
return [self format:stripped_phone withLocale:@"ru" addMask:addMask];
}
- (NSString *)format:(NSString *)phoneNumber {
return [self format:phoneNumber addMask:NO];
}
- (NSString *)cardFormat:(NSString *)cardNumber {
return [self format:cardNumber withLocale:@"card" addMask:NO];
}
- (NSString *)cardValidToFormat:(NSString *)dateString {
return [self format:dateString withLocale:@"validTo" addMask:NO];
}
- (NSString *)format:(NSString *)phoneNumber withLocale:(NSString *)locale addMask:(BOOL)addMask {
NSArray *localeFormats = [predefinedFormats objectForKey:locale];
if(localeFormats == nil) return phoneNumber;
NSString *input = [self strip:phoneNumber];
for(NSString *phoneFormat in localeFormats) {
int i = 0;
NSMutableString *temp = [[NSMutableString alloc] init];
for(int p = 0; temp != nil && i < [input length] && p < [phoneFormat length]; p++) {
unichar c = [phoneFormat characterAtIndex:p];
BOOL required = [self canBeInputByPhonePad:c];
unichar next = [input characterAtIndex:i];
switch(c) {
case '$':
p--;
[temp appendFormat:@"%C", next]; i++;
break;
case '#':
if(next < '0' || next > '9') {
temp = nil;
break;
}
[temp appendFormat:@"%C", next]; i++;
break;
default:
if(required) {
if(next != c) {
temp = nil;
break;
}
[temp appendFormat:@"%C", next]; i++;
} else {
[temp appendFormat:@"%C", c];
if(next == c) i++;
}
break;
}
}
if(i == [input length]) {
if (addMask) {
return [temp stringByAppendingString:[phoneFormat substringFromIndex:temp.length]];
} else {
return temp;
}
}
}
return input;
}
- (NSString *)strip:(NSString *)phoneNumber {
NSMutableString *res = [[NSMutableString alloc] init];
for(int i = 0; i < [phoneNumber length]; i++) {
unichar next = [phoneNumber characterAtIndex:i];
if([self canBeInputByPhonePad:next])
[res appendFormat:@"%C", next];
}
return res;
}
- (BOOL)canBeInputByPhonePad:(char)c {
if(c >= '0' && c <= '9') return YES;
return NO;
}
@end