duoshoubang/FirstLink/Utils/FLStringHelp...

//
//  FLStringHelper.m
//  FirstLink
//
//  Created by unicode on 14-9-25.
//  Copyright (c) 2014年 FirstLink. All rights reserved.
//

#import <CommonCrypto/CommonDigest.h> // Need to import for CC_MD5 access
#import "NSDate+Category.h"
@implementation NSString (MyAdditions)
- (NSString *)md5
{
    const char *cStr = [self UTF8String];
    unsigned char result[32];
    CC_MD5( cStr, (CC_LONG)strlen(cStr), result );
    return [NSString stringWithFormat:
            @"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
            result[0],result[1],result[2],result[3],
            result[4],result[5],result[6],result[7],
            result[8],result[9],result[10],result[11],
            result[12],result[13],result[14],result[15],
            result[16], result[17],result[18], result[19],
            result[20], result[21],result[22], result[23],
            result[24], result[25],result[26], result[27],
            result[28], result[29],result[30], result[31]];
}
@end

#import "FLStringHelper.h"

@implementation FLStringHelper

+ (NSString*)convertNumberToString:(int)num {
    return [NSString stringWithFormat:@"%d", num];
}

+ (CGRect)rectOfString:(NSString*)text font:(UIFont*)font width:(CGFloat)width {
    NSDictionary *attributesDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                          font, NSFontAttributeName,
                                          nil];
    if (!text || text.length == 0) {
        return CGRectZero;
    }
    
    NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:text
                                                                               attributes:attributesDictionary];
    
    CGRect rect = [string boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX)
                                       options:(NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading)
                                       context:nil];
    
    return rect;
}

+ (CGRect)rectOfString:(NSString *)text font:(UIFont *)font height:(CGFloat)height {
    
    if (![FLStringHelper isValidString:text]) return CGRectZero;
    
    NSDictionary *attributesDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                          font, NSFontAttributeName,
                                          nil];
    NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:text
                                                                               attributes:attributesDictionary];
    
    CGRect rect = [string boundingRectWithSize:CGSizeMake(CGFLOAT_MAX, height)
                                       options:(NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading)
                                       context:nil];
    
    return rect;
}

+ (CGSize)sizeOfAttributeString:(NSString *)text font:(UIFont *)font width:(CGFloat)width maxRow:(int)maxRow {
    
    if (![FLStringHelper isValidString:text]) return CGSizeZero;
    
    NSAttributedString *attributeString = [[NSAttributedString alloc] initWithString:text
                                                                          attributes:@{NSFontAttributeName : font}];
    return [TTTAttributedLabel sizeThatFitsAttributedString:attributeString
                                            withConstraints:CGSizeMake(width, CGFLOAT_MAX)
                                     limitedToNumberOfLines:maxRow];
}

+ (NSString*)replaceNilWithEmpty:(NSString *)string
{
    if (!string) {
        return @"";
    }
    return string;
}

+ (NSString*)convertFenToYuan:(NSString *)fen {
    if (!fen || fen.length == 0) {
        return @"";
    }
    
    // TODO: 格式检查校验
    NSNumber *yuan = [NSNumber numberWithDouble:fen.doubleValue/100];
    return [NSString stringWithFormat:@"%.2lf",yuan.doubleValue];
}
+ (CGFloat)convertFenStringToYuanValue:(NSString *)fenStr{
    if (!fenStr || ![fenStr isKindOfClass:[NSString class]] || fenStr.length == 0) {
        return 0.0f;
    }
    
    return fenStr.floatValue / 100.0f;
}

+ (NSString *)convertFenToRMBmoneyString:(NSString*)fen{
    return [NSString stringWithFormat:@"¥%@", [self convertFenToYuan:fen]];
}
#pragma mark - Time Formate

+ (NSString*)componentOfDay:(NSString*)time {
    if (time == nil || time.length <= 0) {
        return nil;
    }
    return [time substringToIndex:10];
}

+ (NSDateFormatter *)dateFormat {
    static NSDateFormatter *dateFormat = nil;
    
    static dispatch_once_t once_token;
    dispatch_once(&once_token, ^{
        dateFormat = [[NSDateFormatter alloc] init];
    });
    
    return dateFormat;
}

+ (NSString*)convertStringToTipTime:(NSString *)time {
    return [self convertStringToTipTime:time formate:@"yyyy-MM-dd HH:mm:ss"];
}

+ (NSString *)convertStringToTipTime:(NSString *)time formate:(NSString *)formate{
    if (!time) {
        return @"1分钟前";
    }
    // 2014-10-12T12:12:12
    NSDateFormatter *dateFormat = [FLStringHelper dateFormat];
    [dateFormat setDateFormat:formate];
    NSMutableString *mutString = [NSMutableString stringWithString:time];
    NSString *temp = [mutString stringByReplacingOccurrencesOfString:@"T"
                                                          withString:@" "];
    NSDate *date = [dateFormat dateFromString:temp];
    
    // TODO: relpace current with time from server
    NSDateComponents *components = [[NSCalendar currentCalendar] components:NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
                                                                   fromDate:date
                                                                     toDate:[NSDate date]
                                                                    options:0];
    
    if (components.year > 0 || components.month > 0 || components.day > 0) {
        return [FLStringHelper componentOfDay:time];
    }
    if (components.hour > 0) {
        return [NSString stringWithFormat:@"%ld小时前", (long)components.hour];
    }
    if (components.minute > 0) {
        return [NSString stringWithFormat:@"%ld分钟前", (long)components.minute];
    }
    
    return @"1 分钟前";
}

+ (NSDateComponents*)convertSecondToComponents:(NSTimeInterval)second {
    NSDate *startDate = [NSDate date];
    NSDate *endDate = [NSDate dateWithTimeInterval:second sinceDate:startDate];
    NSCalendarUnit unit = NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay;
    NSDateComponents *components = [[NSCalendar currentCalendar] components:unit
                                                                   fromDate:startDate
                                                                     toDate:endDate
                                                                    options:NSCalendarWrapComponents];
    return components;
}

+ (NSString*)dateForMessage:(NSDate *)date {
    if (!date) return nil;
    NSDateFormatter *dateFormat = [FLStringHelper dateFormat];
    [dateFormat setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    return [dateFormat stringFromDate:date];
}

+ (NSString*)convertDate:(NSDate *)date formate:(NSString *)formate {
    if (!date) return nil;
    NSDateFormatter *dateFormat = [FLStringHelper dateFormat];
    [dateFormat setDateFormat:formate];
    return [dateFormat stringFromDate:date];
}

+ (NSDate *)convertToDateFromString:(NSString *)string {
    if (!string || string.length == 0) return nil;
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
    NSString *dateString = [string stringByReplacingOccurrencesOfString:@"T" withString:@" "];
    
    return [formatter dateFromString:dateString];
}

+ (NSDate *)convertToShortDateFromString:(NSString *)string{
    if (!string || string.length == 0) return nil;
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    formatter.dateFormat = @"yyyy-MM-dd";
    NSString *dateString = [string stringByReplacingOccurrencesOfString:@"T" withString:@" "];
    
    return [formatter dateFromString:dateString];
}

+ (NSString *)convertDictionary2String:(NSDictionary *)dict {
    
    if (!dict) return nil;
    
    NSError *error;
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict
                                                       options:NSJSONWritingPrettyPrinted
                                                         error:&error];
    
    if (!error) {
        return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    }
    return nil;
}

+ (NSString*)nicknames:(NSArray*)array count:(int)count {
    NSMutableString *mutableString = [NSMutableString string];
    for (int index = 0; index < array.count && index < count; index++) {
        [mutableString appendString:array[index]];
        [mutableString appendString:@","];
    }
    if (mutableString.length > 0) {
        return [mutableString substringToIndex:mutableString.length-1];
    }
    return nil;
}

#pragma mark - CDN Paramater String

+ (NSString*)cdnParamaterString:(int)width {
    return [NSString stringWithFormat:@"@%dw_90Q_1l_%dx", width, (int)[UIScreen mainScreen].scale];
}

+ (NSString*)cdnParamaterString:(int)width height:(int)height {
    return [NSString stringWithFormat:@"@%dw_%dh_1e_1l_1c_%dx_1o", width, height, (int)[UIScreen mainScreen].scale];
}

+ (NSString *)convertToShortDateStringFromString:(NSString *)timeString {
    if (!timeString || timeString.length == 0) return nil;
    NSRange range = [timeString rangeOfString:@"T"];
    NSString *shortString = [timeString substringToIndex:range.location];
    return shortString;
}

+ (NSString *)convertToPredigestStringFromString:(NSString *)timeString {
    return [self convertToPredigestStringFromString:timeString baseTime:nil];
}

+ (NSString *)convertToPredigestStringFromString:(NSString *)timeString baseTime:(NSDate *)baseTime{
    
    if (!timeString || timeString.length == 0) return nil;

    NSDate *nowDate = [NSDate date];
    if ([baseTime isKindOfClass:[NSDate class]]) {
        nowDate = baseTime;
    }
    
    NSString *shortDateString = [FLStringHelper convertToShortDateStringFromString:timeString];
    NSDate *compareTime = [FLStringHelper convertToDateFromString:timeString];
    NSTimeInterval countTimeSecond = [nowDate timeIntervalSinceDate:compareTime];
    if (countTimeSecond <= 0) return nil;
    NSDateComponents *dateComponent = [FLStringHelper convertSecondToComponents:countTimeSecond];
    
    if (dateComponent.day > 0) return shortDateString;
    if (dateComponent.hour > 0) return [NSString stringWithFormat:@"%ld小时前", (long)dateComponent.hour];
    if (dateComponent.minute > 0) return [NSString stringWithFormat:@"%ld分钟前", (long)dateComponent.minute];
    return [NSString stringWithFormat:@"1分钟前"];

    
}

+ (NSString *)convertToPredigestStringFromTimeInterval:(NSTimeInterval)timeInterval shortTimeStr:(NSString *)shortTimeStr{

    if (timeInterval <= 0) return nil;
    NSDateComponents *dateComponent = [FLStringHelper convertSecondToComponents:timeInterval];
    
    if (dateComponent.day > 0) return shortTimeStr;
    if (dateComponent.hour > 0) return [NSString stringWithFormat:@"%ld小时前", (long)dateComponent.hour];
    if (dateComponent.minute > 0) return [NSString stringWithFormat:@"%ld分钟前", (long)dateComponent.minute];
    return [NSString stringWithFormat:@"1分钟前"];

}

+ (NSString *)convertTimeIntervalToCountString:(NSTimeInterval)timeInterval {
    if (timeInterval <= 0) return @"0天0小时0分0秒";
    NSDateComponents *dateComponet = [FLStringHelper convertSecondToComponents:timeInterval];
    NSString *days = [NSString stringWithFormat:@"%ld", (long)dateComponet.day];
    NSString *hours = [NSString stringWithFormat:@"%ld", (long)dateComponet.hour];
    NSString *minuts = [NSString stringWithFormat:@"%ld", (long)dateComponet.minute];
    NSString *seconds = [NSString stringWithFormat:@"%ld", (long)dateComponet.second];
    NSString *normalString = [NSString stringWithFormat:@"%@天%@小时%@分%@秒", days, hours, minuts, seconds];
    return normalString;
}

+ (NSString *)convertTimeIntervalToHourCountString:(NSTimeInterval)timeInterval {
    if (timeInterval <= 0) return @"0小时0分0秒";
    NSDateComponents *dateComponet = [FLStringHelper convertSecondToComponents:timeInterval];
    NSString *hours = [NSString stringWithFormat:@"%ld", ((long)dateComponet.hour + dateComponet.day*24)];
    NSString *minuts = [NSString stringWithFormat:@"%02ld", (long)dateComponet.minute];
    NSString *seconds = [NSString stringWithFormat:@"%02ld", (long)dateComponet.second];
    NSString *normalString = [NSString stringWithFormat:@"%@小时%@分%@秒", hours, minuts, seconds];
    return normalString;
}

+ (NSString *)convertTimeIntervalToHourCountStringStyleColon:(NSTimeInterval)timeInterval {
    if (timeInterval <= 0) return @"00:00:00";
    NSDateComponents *dateComponet = [FLStringHelper convertSecondToComponents:timeInterval];
    NSString *hours = [NSString stringWithFormat:@"%ld", ((long)dateComponet.hour + dateComponet.day*24)];
    NSString *minuts = [NSString stringWithFormat:@"%02ld", (long)dateComponet.minute];
    NSString *seconds = [NSString stringWithFormat:@"%02ld", (long)dateComponet.second];
    NSString *normalString = [NSString stringWithFormat:@"%@:%@:%@", hours, minuts, seconds];
    return normalString;
}

+ (NSString *)convertToCommonFormateFromString:(NSString *)timeString baseTime:(NSString *)baseTime{
    if (!timeString || timeString.length == 0) return nil;
    
    NSDate *nowDate = [NSDate date];
    if ([FLStringHelper isValidString:baseTime]) {
        nowDate = [FLStringHelper convertToDateFromString:baseTime];
    }
    
    NSDate *compareTime = [FLStringHelper convertToDateFromString:timeString];
    NSTimeInterval countTimeSecond = [nowDate timeIntervalSinceDate:compareTime];
    if (countTimeSecond <= 0) return nil;
    NSDateComponents *dateComponent = [self convertSecondToComponents:countTimeSecond baseTime:baseTime];
    
    if (dateComponent.day > 0) return [self convertToTimeStrNoYear:timeString];
    if (dateComponent.hour > 0) return [NSString stringWithFormat:@"%ld小时前", (long)dateComponent.hour];
    if (dateComponent.minute > 3) return [NSString stringWithFormat:@"%ld分钟前", (long)dateComponent.minute];
    return [NSString stringWithFormat:@"刚刚"];

}

+(NSDateComponents *)convertToComponentsFormateFromString:(NSString *)timeString baseTime:(NSString *)baseTime{
    if (!timeString || timeString.length == 0) return nil;
    
    NSDate *nowDate = [NSDate date];
    if ([FLStringHelper isValidString:baseTime]) {
        nowDate = [FLStringHelper convertToDateFromString:baseTime];
    }
    
    NSDate *compareTime = [FLStringHelper convertToDateFromString:timeString];
    NSTimeInterval countTimeSecond = [compareTime timeIntervalSinceDate:nowDate];
    if (countTimeSecond <= 0) return nil;
    
    NSDateComponents *dateComponent = [self convertSecondToComponents:countTimeSecond baseTime:baseTime];
    return dateComponent;
    
}

+ (NSString *)convertToTimeStrNoYear:(NSString *)timeStr{
    
    NSDateFormatter *dateFormat = [FLStringHelper dateFormat];
    [dateFormat setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSMutableString *mutString = [NSMutableString stringWithString:timeStr];
    NSString *temp = [mutString stringByReplacingOccurrencesOfString:@"T"
                                                          withString:@" "];
    
    NSDate *date = [dateFormat dateFromString:temp];
    if (!date) return nil;
    
    NSString *fullString = [dateFormat stringFromDate:date];
    
    if (fullString.length >= 19){
        NSString *dayStr = [fullString substringWithRange:NSMakeRange(5, 5)];
        NSString *hourStr = [fullString substringWithRange:NSMakeRange(11, 5)];
        fullString = [dayStr stringByAppendingString:@" "];
        fullString = [fullString stringByAppendingString:hourStr];
    }
    
    return fullString;
}


+ (NSDateComponents*)convertSecondToComponents:(NSTimeInterval)second baseTime:(NSString *)baseTime{
    NSDate *startDate = [FLStringHelper convertToDateFromString:baseTime];
    NSDate *endDate = [NSDate dateWithTimeInterval:second sinceDate:startDate];
    NSCalendarUnit unit = NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | kCFCalendarUnitDay;
    NSDateComponents *components = [[NSCalendar currentCalendar] components:unit
                                                                   fromDate:startDate
                                                                     toDate:endDate
                                                                    options:NSCalendarWrapComponents];
    return components;
}

+ (NSTimeInterval)timeIntervalFromString:(NSString *)dateString {
    NSDate *date = [FLStringHelper convertToDateFromString:dateString];
    return [date timeIntervalSince1970];
}

+ (BOOL)isUrlString:(NSString *)string {
    if (string.length < 5) return NO;
    NSString *headerString = [string substringToIndex:4];
    if ([headerString isEqualToString:@"http"]) return YES;
    return NO;
}

+ (NSAttributedString *)attStringWithText:(NSString *)text color:(UIColor *)color font:(UIFont *)font lineSpace:(CGFloat)lineSpace{
    if (text.length == 0) return nil;
    NSMutableAttributedString *attM = [[NSMutableAttributedString alloc]initWithString:text];
    NSMutableParagraphStyle *paraStyle = [[NSMutableParagraphStyle alloc]init];
    [paraStyle setLineSpacing:lineSpace];
    [attM addAttribute:NSParagraphStyleAttributeName value:paraStyle range:NSMakeRange(0, text.length)];
    
    if (color) {
        [attM addAttribute:NSForegroundColorAttributeName value:color range:NSMakeRange(0, text.length)];
    }
    
    if (font) {
        [attM addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, text.length)];
    }
    
    return attM;
}

+ (NSAttributedString *)attStringWithText:(NSString *)text lineSpace:(CGFloat)lineSpace {
   return [self attStringWithText:text color:nil font:nil lineSpace:lineSpace];
}

+ (CGSize)sizeOfAttributeString:(NSString*)text lineSpace:(CGFloat)lineSpace width:(CGFloat)width font:(UIFont *)font maxRow:(NSInteger)maxRow{
    if (![FLStringHelper isValidString:text]) return CGSizeZero;
    
    NSMutableAttributedString *attM = [[NSMutableAttributedString alloc]initWithString:text];
    NSMutableParagraphStyle *paraStyle = [[NSMutableParagraphStyle alloc]init];
    [paraStyle setLineSpacing:lineSpace];
    [attM addAttribute:NSParagraphStyleAttributeName value:paraStyle range:NSMakeRange(0, text.length)];
    [attM addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, text.length)];
    
    return [attM boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil].size;
}

+ (NSAttributedString *)attStringWithText:(NSString *)text color:(UIColor *)color font:(UIFont *)font subText:(NSString *)subText subColor:(UIColor *)subColor subFont:(UIFont *)subFont {
    NSMutableAttributedString *mutAttributedString = [[NSMutableAttributedString alloc] init];
    if (text.length > 0 && color && font) {
        NSDictionary * attribtues = @{NSFontAttributeName:font,
                                      NSForegroundColorAttributeName:color};
        NSAttributedString * attribtueString = [[NSAttributedString alloc] initWithString:text attributes:attribtues];
        
        [mutAttributedString appendAttributedString:attribtueString];
    }
    
    if (subText.length > 0 && subColor && subFont) {
        NSDictionary * attribtues = @{NSFontAttributeName:subFont,
                                      NSForegroundColorAttributeName:subColor,
                                      NSStrikethroughStyleAttributeName:@(NSUnderlineStyleSingle),
                                      NSStrikethroughColorAttributeName:subColor};
        NSAttributedString * attribtueString = [[NSAttributedString alloc] initWithString:subText attributes:attribtues];
        [mutAttributedString appendAttributedString:attribtueString];
    }
    
    return mutAttributedString;
}

+ (id)convertStringToJson:(NSString *)string {
    if (!string) {
        return nil;
    }
    NSError *error;
    NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
    NSDictionary *json = [NSJSONSerialization JSONObjectWithData: data
                                                         options: NSJSONReadingMutableContainers
                                                           error: &error];
    if (!error) {
        return json;
    }
    return nil;
}

+ (BOOL)isValidString:(NSString *)string{
    if ([string isKindOfClass:[NSString class]] && string.length) {
        return YES;
    }
    return NO;
}

+ (NSString *)jsonStrWithDict:(NSDictionary *)dict{
    if (!dict) return nil;
    NSError *error;
    NSData *data = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:&error];
#ifdef DEBUG
    if (error){
        NSLog(@"json serialization fail error = %@", error.localizedDescription);
    }
#endif
    if (data){
        NSString *string = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
        return string;
    }
    return nil;
}

+ (NSString *)convertToShortNumStr:(NSInteger)count{
    if (count < 0) return nil;
    
    if (count < 10000){
        return [NSString stringWithFormat:@"%ld", count];
    }else{
        NSInteger num = floor(count / 10000.0f);
        return [NSString stringWithFormat:@"%ld万", num];
    }
}
@end