NSString+TUIUtil.m 45 KB

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  1. //
  2. // NSString+Common.m
  3. //
  4. //
  5. // Created by Alexi on 12-11-5.
  6. // Copyright (c) 2012 . All rights reserved.
  7. //
  8. #import <CommonCrypto/CommonDigest.h>
  9. #import "NSString+TUIUtil.h"
  10. // #import "pinyin.h"
  11. #if kSupportGTM64
  12. #import "GTMBase64.h"
  13. #endif
  14. #define HANZI_START 19968
  15. #define HANZI_COUNT 20902
  16. static char gFirstLetterArray[HANZI_COUNT] = "ydkqsxnwzssxjbymgcczqpssqbycdscdqldylybssjgyqzjjfgcclzznwdwzjljpfyynnjjtmynzwzhflzppqhgccyynmjqyxxgd"
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  223. "cydyxyqmyqylddcyaytazdcymdydlzfffmmycqcwzzmabtbyctdmndzggdftypcgqyttssffwbdttqssystwnjhjytsxxylbyyhh"
  224. "whxgzxwznnqzjzjjqjccchykxbzszcnjtllcqxynjnckycynccqnxyewyczdcjycchyjlbtzyycqwlpgpyllgktltlgkgqbgychj"
  225. "xy";
  226. char tui_pinyinFirstLetter(unsigned short hanzi) {
  227. int index = hanzi - HANZI_START;
  228. if (index >= 0 && index <= HANZI_COUNT) {
  229. return gFirstLetterArray[index];
  230. } else {
  231. return '[';
  232. }
  233. }
  234. @implementation NSString (TUIUtil)
  235. + (NSString *)md5String:(NSString *)str;
  236. {
  237. const char *cStr = [str UTF8String];
  238. unsigned char result[CC_MD5_DIGEST_LENGTH];
  239. CC_MD5(cStr, (uint32_t)strlen(cStr), result);
  240. return [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", result[0], result[1], result[2], result[3],
  241. result[4], result[5], result[6], result[7], result[8], result[9], result[10], result[11], result[12], result[13],
  242. result[14], result[15]];
  243. }
  244. - (NSString *)md5 {
  245. return [NSString md5String:self];
  246. }
  247. - (NSString *)firstPinYin {
  248. if ([self length] == 0) {
  249. return [NSString stringWithFormat:@"%c", '['];
  250. }
  251. if ([self canBeConvertedToEncoding:NSASCIIStringEncoding]) { // it is english words
  252. return [self substringToIndex:1];
  253. }
  254. unichar ch = [self characterAtIndex:0];
  255. char firstPinYin = ch;
  256. if (ch < 'A' || ch > 'z' || (ch > 'Z' && ch < 'a')) {
  257. firstPinYin = tui_pinyinFirstLetter(ch);
  258. }
  259. return [NSString stringWithFormat:@"%c", firstPinYin];
  260. }
  261. #pragma mark - Utils
  262. + (BOOL)isEmpty:(NSString *)string {
  263. return string == nil || string.length == 0;
  264. }
  265. - (BOOL)isWhitespaceAndNewlines {
  266. NSCharacterSet *whitespace = [NSCharacterSet whitespaceAndNewlineCharacterSet];
  267. for (NSInteger i = 0; i < self.length; ++i) {
  268. unichar c = [self characterAtIndex:i];
  269. if (![whitespace characterIsMember:c]) {
  270. return NO;
  271. }
  272. }
  273. return YES;
  274. }
  275. - (NSString *)trim {
  276. return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
  277. }
  278. - (NSString *)removeWhiteSpace {
  279. return [[self componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] componentsJoinedByString:@""];
  280. }
  281. - (NSString *)removeNewLine {
  282. return [[self componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]] componentsJoinedByString:@""];
  283. }
  284. - (NSString *)stringByUrlEncoding {
  285. NSString *url = (NSString *)CFBridgingRelease(
  286. CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)self, NULL, (CFStringRef) @"!*'();:@&=+$,/?%#[]", kCFStringEncodingUTF8));
  287. return url;
  288. }
  289. - (NSString *)capitalize {
  290. if (self == nil || [self length] == 0) return self;
  291. return [[self substringToIndex:1].uppercaseString stringByAppendingString:[self substringFromIndex:1]];
  292. }
  293. - (BOOL)startsWith:(NSString *)str {
  294. return [self startsWith:str Options:NSCaseInsensitiveSearch];
  295. }
  296. - (BOOL)startsWith:(NSString *)str Options:(NSStringCompareOptions)compareOptions {
  297. return (str != nil) && ([str length] > 0) && ([self length] >= [str length]) && ([self rangeOfString:str options:compareOptions].location == 0);
  298. }
  299. - (BOOL)endsWith:(NSString *)str {
  300. return [self endsWith:str Options:NSCaseInsensitiveSearch];
  301. }
  302. - (BOOL)endsWith:(NSString *)str Options:(NSStringCompareOptions)compareOptions {
  303. return (str != nil) && ([str length] > 0) && ([self length] >= [str length]) &&
  304. ([self rangeOfString:str options:(compareOptions | NSBackwardsSearch)].location == ([self length] - [str length]));
  305. }
  306. - (BOOL)tui_containsString:(NSString *)str {
  307. return [self tui_containsString:str Options:NSCaseInsensitiveSearch];
  308. }
  309. - (BOOL)tui_containsString:(NSString *)str Options:(NSStringCompareOptions)compareOptions {
  310. return (str != nil) && ([str length] > 0) && ([self length] >= [str length]) && ([self rangeOfString:str options:compareOptions].location != NSNotFound);
  311. }
  312. - (BOOL)equalsString:(NSString *)str {
  313. return (str != nil) && ([self length] == [str length]) && ([self rangeOfString:str options:NSCaseInsensitiveSearch].location == 0);
  314. }
  315. #pragma mark XML Extensions
  316. + (NSString *)encodeXMLCharactersIn:(NSString *)source {
  317. if (![source isKindOfClass:[NSString class]] || !source) {
  318. return @"";
  319. }
  320. NSString *result = [NSString stringWithString:source];
  321. if ([result rangeOfString:@"&"].location != NSNotFound) {
  322. result = [[result componentsSeparatedByString:@"&"] componentsJoinedByString:@"&amp;"];
  323. }
  324. if ([result rangeOfString:@"<"].location != NSNotFound) {
  325. result = [[result componentsSeparatedByString:@"<"] componentsJoinedByString:@"&lt;"];
  326. }
  327. if ([result rangeOfString:@">"].location != NSNotFound) {
  328. result = [[result componentsSeparatedByString:@">"] componentsJoinedByString:@"&gt;"];
  329. }
  330. if ([result rangeOfString:@"\""].location != NSNotFound) {
  331. result = [[result componentsSeparatedByString:@"\""] componentsJoinedByString:@"&quot;"];
  332. }
  333. if ([result rangeOfString:@"'"].location != NSNotFound) {
  334. result = [[result componentsSeparatedByString:@"'"] componentsJoinedByString:@"&apos;"];
  335. }
  336. return result;
  337. }
  338. + (NSString *)decodeXMLCharactersIn:(NSString *)source {
  339. if (![source isKindOfClass:[NSString class]] || !source) {
  340. return @"";
  341. }
  342. NSString *result = [NSString stringWithString:source];
  343. if ([result rangeOfString:@"&amp;"].location != NSNotFound) {
  344. result = [[result componentsSeparatedByString:@"&amp;"] componentsJoinedByString:@"&"];
  345. }
  346. if ([result rangeOfString:@"&lt;"].location != NSNotFound) {
  347. result = [[result componentsSeparatedByString:@"&lt;"] componentsJoinedByString:@"<"];
  348. }
  349. if ([result rangeOfString:@"&gt;"].location != NSNotFound) {
  350. result = [[result componentsSeparatedByString:@"&gt;"] componentsJoinedByString:@">"];
  351. }
  352. if ([result rangeOfString:@"&quot;"].location != NSNotFound) {
  353. result = [[result componentsSeparatedByString:@"&quot;"] componentsJoinedByString:@"\""];
  354. }
  355. if ([result rangeOfString:@"&apos;"].location != NSNotFound) {
  356. result = [[result componentsSeparatedByString:@"&apos;"] componentsJoinedByString:@"'"];
  357. }
  358. if ([result rangeOfString:@"&nbsp;"].location != NSNotFound) {
  359. result = [[result componentsSeparatedByString:@"&nbsp;"] componentsJoinedByString:@" "];
  360. }
  361. if ([result rangeOfString:@"&#8220;"].location != NSNotFound) {
  362. result = [[result componentsSeparatedByString:@"&#8220;"] componentsJoinedByString:@"\""];
  363. }
  364. if ([result rangeOfString:@"&#8221;"].location != NSNotFound) {
  365. result = [[result componentsSeparatedByString:@"&#8221;"] componentsJoinedByString:@"\""];
  366. }
  367. if ([result rangeOfString:@"&#039;"].location != NSNotFound) {
  368. result = [[result componentsSeparatedByString:@"&#039;"] componentsJoinedByString:@"'"];
  369. }
  370. return result;
  371. }
  372. /**
  373. compare two version
  374. @param sourVersion *.*.*.*
  375. @param desVersion *.*.*.*
  376. @returns No,sourVersion is less than desVersion; YES, the statue is opposed
  377. */
  378. + (BOOL)compareVerison:(NSString *)sourVersion withDes:(NSString *)desVersion {
  379. NSArray *sourArr = [sourVersion componentsSeparatedByString:@"."];
  380. NSArray *desArr = [desVersion componentsSeparatedByString:@"."];
  381. int sourInt, desInt;
  382. NSMutableString *sourStr = [[NSMutableString alloc] init];
  383. NSMutableString *desStr = [[NSMutableString alloc] init];
  384. if ([sourArr count] < [desArr count]) {
  385. return YES;
  386. } else {
  387. }
  388. for (int i = 0; i < [sourArr count]; i++) {
  389. [sourStr appendFormat:@"%@", [sourArr objectAtIndex:i]];
  390. [desStr appendFormat:@"%@", [desArr objectAtIndex:i]];
  391. }
  392. sourInt = [sourStr intValue];
  393. desInt = [desStr intValue];
  394. if (sourInt < desInt) {
  395. return YES;
  396. } else {
  397. return NO;
  398. }
  399. return NO;
  400. }
  401. #if kSupportGTM64
  402. #pragma mark - hashing
  403. - (NSString *)base64Encoding {
  404. NSData *stringData = [self dataUsingEncoding:NSUTF8StringEncoding];
  405. NSString *encodedString = [GTMBase64 stringByEncodingData:stringData];
  406. return encodedString;
  407. }
  408. #endif
  409. #if kSupportNSDataCommon
  410. ///////////////////////////////////////////////////////////////////////////////////////////////////
  411. /**
  412. * Calculate the md5 hash using CC_MD5.
  413. *
  414. * @returns md5 hash of this string.
  415. */
  416. - (NSString *)md5Hash {
  417. return [[self dataUsingEncoding:NSUTF8StringEncoding] md5Hash];
  418. }
  419. ///////////////////////////////////////////////////////////////////////////////////////////////////
  420. /**
  421. * Calculate the SHA1 hash using CommonCrypto CC_SHA1.
  422. *
  423. * @returns SHA1 hash of this string.
  424. */
  425. - (NSString *)sha1Hash {
  426. return [[self dataUsingEncoding:NSUTF8StringEncoding] sha1Hash];
  427. }
  428. #endif
  429. - (NSString *)valueOfLabel:(NSString *)label {
  430. NSError *error = nil;
  431. NSString *reg = [NSString stringWithFormat:@"(?<=%@\\>).*(?=</%@)", label, label];
  432. NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:reg options:0 error:&error];
  433. if (regex != nil) {
  434. NSTextCheckingResult *firstMatch = [regex firstMatchInString:self options:0 range:NSMakeRange(0, [self length])];
  435. if (firstMatch) {
  436. NSRange resultRange = [firstMatch rangeAtIndex:0];
  437. NSString *result = [self substringAtRange:resultRange];
  438. return result;
  439. }
  440. }
  441. return nil;
  442. }
  443. - (NSString *)substringAtRange:(NSRange)rang {
  444. if ([NSString isEmpty:self]) {
  445. return nil;
  446. }
  447. if (rang.location > self.length) {
  448. return nil;
  449. }
  450. if (rang.location + rang.length > self.length) {
  451. return nil;
  452. }
  453. return [self substringWithRange:rang];
  454. }
  455. - (NSString *)emjoiText {
  456. if (self.length) {
  457. NSData *data = [self dataUsingEncoding:NSNonLossyASCIIStringEncoding];
  458. NSString *valueUnicode = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
  459. NSData *dataa = [valueUnicode dataUsingEncoding:NSUTF8StringEncoding];
  460. NSString *valueEmoj = [[NSString alloc] initWithData:dataa encoding:NSNonLossyASCIIStringEncoding];
  461. return valueEmoj;
  462. } else {
  463. return self;
  464. }
  465. }
  466. - (NSUInteger)utf8Length {
  467. size_t length = strlen([self UTF8String]);
  468. return length;
  469. }
  470. - (BOOL)isContainsEmoji;
  471. {
  472. __block BOOL returnValue = NO;
  473. [self enumerateSubstringsInRange:NSMakeRange(0, [self length])
  474. options:NSStringEnumerationByComposedCharacterSequences
  475. usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
  476. const unichar hs = [substring characterAtIndex:0];
  477. if (0xd800 <= hs && hs <= 0xdbff) {
  478. if (substring.length > 1) {
  479. const unichar ls = [substring characterAtIndex:1];
  480. const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
  481. if (0x1d000 <= uc && uc <= 0x1f77f) {
  482. returnValue = YES;
  483. }
  484. }
  485. } else if (substring.length > 1) {
  486. const unichar ls = [substring characterAtIndex:1];
  487. if (ls == 0x20e3) {
  488. returnValue = YES;
  489. }
  490. } else {
  491. if (0x2100 <= hs && hs <= 0x27ff) {
  492. returnValue = YES;
  493. } else if (0x2B05 <= hs && hs <= 0x2b07) {
  494. returnValue = YES;
  495. } else if (0x2934 <= hs && hs <= 0x2935) {
  496. returnValue = YES;
  497. } else if (0x3297 <= hs && hs <= 0x3299) {
  498. returnValue = YES;
  499. } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b ||
  500. hs == 0x2b50) {
  501. returnValue = YES;
  502. }
  503. }
  504. *stop = returnValue;
  505. }];
  506. return returnValue;
  507. }
  508. - (NSString *)cutBeyondTextInLength:(NSInteger)maxLenth {
  509. size_t length = strlen([self UTF8String]);
  510. if (length > maxLenth) {
  511. NSString *text = [self substringToIndex:self.length - 1];
  512. return [text cutBeyondTextInLength:maxLenth];
  513. } else {
  514. return self;
  515. }
  516. }
  517. - (CGSize)textSizeIn:(CGSize)size font:(UIFont *)font {
  518. return [self textSizeIn:size font:font breakMode:NSLineBreakByWordWrapping];
  519. }
  520. - (CGSize)textSizeIn:(CGSize)size font:(UIFont *)afont breakMode:(NSLineBreakMode)breakMode {
  521. return [self textSizeIn:size font:afont breakMode:NSLineBreakByWordWrapping align:NSTextAlignmentLeft];
  522. }
  523. - (CGSize)textSizeIn:(CGSize)size font:(UIFont *)afont breakMode:(NSLineBreakMode)abreakMode align:(NSTextAlignment)alignment {
  524. NSLineBreakMode breakMode = abreakMode;
  525. UIFont *font = afont ? afont : [UIFont systemFontOfSize:14];
  526. CGSize contentSize = CGSizeZero;
  527. NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
  528. paragraphStyle.lineBreakMode = breakMode;
  529. paragraphStyle.alignment = alignment;
  530. NSDictionary *attributes = @{NSFontAttributeName : font, NSParagraphStyleAttributeName : paragraphStyle};
  531. contentSize = [self boundingRectWithSize:size
  532. options:(NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading)
  533. attributes:attributes
  534. context:nil]
  535. .size;
  536. contentSize = CGSizeMake((int)contentSize.width + 1, (int)contentSize.height + 1);
  537. return contentSize;
  538. }
  539. - (NSString *)safePathString {
  540. NSString *homePrefix = [NSHomeDirectory() stringByDeletingLastPathComponent];
  541. if ([self hasPrefix:homePrefix]) {
  542. return [NSHomeDirectory() stringByAppendingString:[self substringFromIndex:[NSHomeDirectory() length]]];
  543. }
  544. return self;
  545. }
  546. - (CGFloat)widthFromFont:(UIFont *)font {
  547. if (self.length == 0) {
  548. return 0;
  549. }
  550. return [self boundingRectWithSize:CGSizeMake(0, font.lineHeight)
  551. options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading | NSStringDrawingUsesDeviceMetrics
  552. attributes:@{NSFontAttributeName : font}
  553. context:nil]
  554. .size.width;
  555. }
  556. @end