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com/vendor/github.com/go-openapi/inflect/inflect.go

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  1. package inflect

  2. 

  3. import (

  4. 	"fmt"

  5. 	"regexp"

  6. 	"strconv"

  7. 	"strings"

  8. 	"unicode"

  9. 	"unicode/utf8"

  10. )

  11. 

  12. // used by rulesets

  13. type Rule struct {

  14. 	suffix      string

  15. 	replacement string

  16. 	exact       bool

  17. }

  18. 

  19. // a Ruleset is the config of pluralization rules

  20. // you can extend the rules with the Add* methods

  21. type Ruleset struct {

  22. 	uncountables   map[string]bool

  23. 	plurals        []*Rule

  24. 	singulars      []*Rule

  25. 	humans         []*Rule

  26. 	acronyms       []*Rule

  27. 	acronymMatcher *regexp.Regexp

  28. }

  29. 

  30. // create a blank ruleset. Unless you are going to

  31. // build your own rules from scratch you probably

  32. // won't need this and can just use the defaultRuleset

  33. // via the global inflect.* methods

  34. func NewRuleset() *Ruleset {

  35. 	rs := new(Ruleset)

  36. 	rs.uncountables = make(map[string]bool)

  37. 	rs.plurals = make([]*Rule, 0)

  38. 	rs.singulars = make([]*Rule, 0)

  39. 	rs.humans = make([]*Rule, 0)

  40. 	rs.acronyms = make([]*Rule, 0)

  41. 	return rs

  42. }

  43. 

  44. // create a new ruleset and load it with the default

  45. // set of common English pluralization rules

  46. func NewDefaultRuleset() *Ruleset {

  47. 	rs := NewRuleset()

  48. 	rs.AddPlural("s", "s")

  49. 	rs.AddPlural("testis", "testes")

  50. 	rs.AddPlural("axis", "axes")

  51. 	rs.AddPlural("octopus", "octopi")

  52. 	rs.AddPlural("virus", "viri")

  53. 	rs.AddPlural("octopi", "octopi")

  54. 	rs.AddPlural("viri", "viri")

  55. 	rs.AddPlural("alias", "aliases")

  56. 	rs.AddPlural("status", "statuses")

  57. 	rs.AddPlural("bus", "buses")

  58. 	rs.AddPlural("buffalo", "buffaloes")

  59. 	rs.AddPlural("tomato", "tomatoes")

  60. 	rs.AddPlural("tum", "ta")

  61. 	rs.AddPlural("ium", "ia")

  62. 	rs.AddPlural("ta", "ta")

  63. 	rs.AddPlural("ia", "ia")

  64. 	rs.AddPlural("sis", "ses")

  65. 	rs.AddPlural("lf", "lves")

  66. 	rs.AddPlural("rf", "rves")

  67. 	rs.AddPlural("afe", "aves")

  68. 	rs.AddPlural("bfe", "bves")

  69. 	rs.AddPlural("cfe", "cves")

  70. 	rs.AddPlural("dfe", "dves")

  71. 	rs.AddPlural("efe", "eves")

  72. 	rs.AddPlural("gfe", "gves")

  73. 	rs.AddPlural("hfe", "hves")

  74. 	rs.AddPlural("ife", "ives")

  75. 	rs.AddPlural("jfe", "jves")

  76. 	rs.AddPlural("kfe", "kves")

  77. 	rs.AddPlural("lfe", "lves")

  78. 	rs.AddPlural("mfe", "mves")

  79. 	rs.AddPlural("nfe", "nves")

  80. 	rs.AddPlural("ofe", "oves")

  81. 	rs.AddPlural("pfe", "pves")

  82. 	rs.AddPlural("qfe", "qves")

  83. 	rs.AddPlural("rfe", "rves")

  84. 	rs.AddPlural("sfe", "sves")

  85. 	rs.AddPlural("tfe", "tves")

  86. 	rs.AddPlural("ufe", "uves")

  87. 	rs.AddPlural("vfe", "vves")

  88. 	rs.AddPlural("wfe", "wves")

  89. 	rs.AddPlural("xfe", "xves")

  90. 	rs.AddPlural("yfe", "yves")

  91. 	rs.AddPlural("zfe", "zves")

  92. 	rs.AddPlural("hive", "hives")

  93. 	rs.AddPlural("quy", "quies")

  94. 	rs.AddPlural("by", "bies")

  95. 	rs.AddPlural("cy", "cies")

  96. 	rs.AddPlural("dy", "dies")

  97. 	rs.AddPlural("fy", "fies")

  98. 	rs.AddPlural("gy", "gies")

  99. 	rs.AddPlural("hy", "hies")

  100. 	rs.AddPlural("jy", "jies")

  101. 	rs.AddPlural("ky", "kies")

  102. 	rs.AddPlural("ly", "lies")

  103. 	rs.AddPlural("my", "mies")

  104. 	rs.AddPlural("ny", "nies")

  105. 	rs.AddPlural("py", "pies")

  106. 	rs.AddPlural("qy", "qies")

  107. 	rs.AddPlural("ry", "ries")

  108. 	rs.AddPlural("sy", "sies")

  109. 	rs.AddPlural("ty", "ties")

  110. 	rs.AddPlural("vy", "vies")

  111. 	rs.AddPlural("wy", "wies")

  112. 	rs.AddPlural("xy", "xies")

  113. 	rs.AddPlural("zy", "zies")

  114. 	rs.AddPlural("x", "xes")

  115. 	rs.AddPlural("ch", "ches")

  116. 	rs.AddPlural("ss", "sses")

  117. 	rs.AddPlural("sh", "shes")

  118. 	rs.AddPlural("matrix", "matrices")

  119. 	rs.AddPlural("vertix", "vertices")

  120. 	rs.AddPlural("indix", "indices")

  121. 	rs.AddPlural("matrex", "matrices")

  122. 	rs.AddPlural("vertex", "vertices")

  123. 	rs.AddPlural("index", "indices")

  124. 	rs.AddPlural("mouse", "mice")

  125. 	rs.AddPlural("louse", "lice")

  126. 	rs.AddPlural("mice", "mice")

  127. 	rs.AddPlural("lice", "lice")

  128. 	rs.AddPluralExact("ox", "oxen", true)

  129. 	rs.AddPluralExact("oxen", "oxen", true)

  130. 	rs.AddPluralExact("quiz", "quizzes", true)

  131. 	rs.AddSingular("s", "")

  132. 	rs.AddSingular("news", "news")

  133. 	rs.AddSingular("ta", "tum")

  134. 	rs.AddSingular("ia", "ium")

  135. 	rs.AddSingular("analyses", "analysis")

  136. 	rs.AddSingular("bases", "basis")

  137. 	rs.AddSingular("diagnoses", "diagnosis")

  138. 	rs.AddSingular("parentheses", "parenthesis")

  139. 	rs.AddSingular("prognoses", "prognosis")

  140. 	rs.AddSingular("synopses", "synopsis")

  141. 	rs.AddSingular("theses", "thesis")

  142. 	rs.AddSingular("analyses", "analysis")

  143. 	rs.AddSingular("aves", "afe")

  144. 	rs.AddSingular("bves", "bfe")

  145. 	rs.AddSingular("cves", "cfe")

  146. 	rs.AddSingular("dves", "dfe")

  147. 	rs.AddSingular("eves", "efe")

  148. 	rs.AddSingular("gves", "gfe")

  149. 	rs.AddSingular("hves", "hfe")

  150. 	rs.AddSingular("ives", "ife")

  151. 	rs.AddSingular("jves", "jfe")

  152. 	rs.AddSingular("kves", "kfe")

  153. 	rs.AddSingular("lves", "lfe")

  154. 	rs.AddSingular("mves", "mfe")

  155. 	rs.AddSingular("nves", "nfe")

  156. 	rs.AddSingular("oves", "ofe")

  157. 	rs.AddSingular("pves", "pfe")

  158. 	rs.AddSingular("qves", "qfe")

  159. 	rs.AddSingular("rves", "rfe")

  160. 	rs.AddSingular("sves", "sfe")

  161. 	rs.AddSingular("tves", "tfe")

  162. 	rs.AddSingular("uves", "ufe")

  163. 	rs.AddSingular("vves", "vfe")

  164. 	rs.AddSingular("wves", "wfe")

  165. 	rs.AddSingular("xves", "xfe")

  166. 	rs.AddSingular("yves", "yfe")

  167. 	rs.AddSingular("zves", "zfe")

  168. 	rs.AddSingular("hives", "hive")

  169. 	rs.AddSingular("tives", "tive")

  170. 	rs.AddSingular("lves", "lf")

  171. 	rs.AddSingular("rves", "rf")

  172. 	rs.AddSingular("quies", "quy")

  173. 	rs.AddSingular("bies", "by")

  174. 	rs.AddSingular("cies", "cy")

  175. 	rs.AddSingular("dies", "dy")

  176. 	rs.AddSingular("fies", "fy")

  177. 	rs.AddSingular("gies", "gy")

  178. 	rs.AddSingular("hies", "hy")

  179. 	rs.AddSingular("jies", "jy")

  180. 	rs.AddSingular("kies", "ky")

  181. 	rs.AddSingular("lies", "ly")

  182. 	rs.AddSingular("mies", "my")

  183. 	rs.AddSingular("nies", "ny")

  184. 	rs.AddSingular("pies", "py")

  185. 	rs.AddSingular("qies", "qy")

  186. 	rs.AddSingular("ries", "ry")

  187. 	rs.AddSingular("sies", "sy")

  188. 	rs.AddSingular("ties", "ty")

  189. 	rs.AddSingular("vies", "vy")

  190. 	rs.AddSingular("wies", "wy")

  191. 	rs.AddSingular("xies", "xy")

  192. 	rs.AddSingular("zies", "zy")

  193. 	rs.AddSingular("series", "series")

  194. 	rs.AddSingular("movies", "movie")

  195. 	rs.AddSingular("xes", "x")

  196. 	rs.AddSingular("ches", "ch")

  197. 	rs.AddSingular("sses", "ss")

  198. 	rs.AddSingular("shes", "sh")

  199. 	rs.AddSingular("mice", "mouse")

  200. 	rs.AddSingular("lice", "louse")

  201. 	rs.AddSingular("buses", "bus")

  202. 	rs.AddSingular("oes", "o")

  203. 	rs.AddSingular("shoes", "shoe")

  204. 	rs.AddSingular("crises", "crisis")

  205. 	rs.AddSingular("axes", "axis")

  206. 	rs.AddSingular("testes", "testis")

  207. 	rs.AddSingular("octopi", "octopus")

  208. 	rs.AddSingular("viri", "virus")

  209. 	rs.AddSingular("statuses", "status")

  210. 	rs.AddSingular("aliases", "alias")

  211. 	rs.AddSingularExact("oxen", "ox", true)

  212. 	rs.AddSingular("vertices", "vertex")

  213. 	rs.AddSingular("indices", "index")

  214. 	rs.AddSingular("matrices", "matrix")

  215. 	rs.AddSingularExact("quizzes", "quiz", true)

  216. 	rs.AddSingular("databases", "database")

  217. 	rs.AddIrregular("person", "people")

  218. 	rs.AddIrregular("man", "men")

  219. 	rs.AddIrregular("child", "children")

  220. 	rs.AddIrregular("sex", "sexes")

  221. 	rs.AddIrregular("move", "moves")

  222. 	rs.AddIrregular("zombie", "zombies")

  223. 	rs.AddUncountable("equipment")

  224. 	rs.AddUncountable("information")

  225. 	rs.AddUncountable("rice")

  226. 	rs.AddUncountable("money")

  227. 	rs.AddUncountable("species")

  228. 	rs.AddUncountable("series")

  229. 	rs.AddUncountable("fish")

  230. 	rs.AddUncountable("sheep")

  231. 	rs.AddUncountable("jeans")

  232. 	rs.AddUncountable("police")

  233. 	return rs

  234. }

  235. 

  236. func (rs *Ruleset) Uncountables() map[string]bool {

  237. 	return rs.uncountables

  238. }

  239. 

  240. // add a pluralization rule

  241. func (rs *Ruleset) AddPlural(suffix, replacement string) {

  242. 	rs.AddPluralExact(suffix, replacement, false)

  243. }

  244. 

  245. // add a pluralization rule with full string match

  246. func (rs *Ruleset) AddPluralExact(suffix, replacement string, exact bool) {

  247. 	// remove uncountable

  248. 	delete(rs.uncountables, suffix)

  249. 	// create rule

  250. 	r := new(Rule)

  251. 	r.suffix = suffix

  252. 	r.replacement = replacement

  253. 	r.exact = exact

  254. 	// prepend

  255. 	rs.plurals = append([]*Rule{r}, rs.plurals...)

  256. }

  257. 

  258. // add a singular rule

  259. func (rs *Ruleset) AddSingular(suffix, replacement string) {

  260. 	rs.AddSingularExact(suffix, replacement, false)

  261. }

  262. 

  263. // same as AddSingular but you can set `exact` to force

  264. // a full string match

  265. func (rs *Ruleset) AddSingularExact(suffix, replacement string, exact bool) {

  266. 	// remove from uncountable

  267. 	delete(rs.uncountables, suffix)

  268. 	// create rule

  269. 	r := new(Rule)

  270. 	r.suffix = suffix

  271. 	r.replacement = replacement

  272. 	r.exact = exact

  273. 	rs.singulars = append([]*Rule{r}, rs.singulars...)

  274. }

  275. 

  276. // Human rules are applied by humanize to show more friendly

  277. // versions of words

  278. func (rs *Ruleset) AddHuman(suffix, replacement string) {

  279. 	r := new(Rule)

  280. 	r.suffix = suffix

  281. 	r.replacement = replacement

  282. 	rs.humans = append([]*Rule{r}, rs.humans...)

  283. }

  284. 

  285. // Add any inconsistant pluralizing/sinularizing rules

  286. // to the set here.

  287. func (rs *Ruleset) AddIrregular(singular, plural string) {

  288. 	delete(rs.uncountables, singular)

  289. 	delete(rs.uncountables, plural)

  290. 	rs.AddPlural(singular, plural)

  291. 	rs.AddPlural(plural, plural)

  292. 	rs.AddSingular(plural, singular)

  293. }

  294. 

  295. // if you use acronym you may need to add them to the ruleset

  296. // to prevent Underscored words of things like "HTML" coming out

  297. // as "h_t_m_l"

  298. func (rs *Ruleset) AddAcronym(word string) {

  299. 	r := new(Rule)

  300. 	r.suffix = word

  301. 	r.replacement = rs.Titleize(strings.ToLower(word))

  302. 	rs.acronyms = append(rs.acronyms, r)

  303. }

  304. 

  305. // add a word to this ruleset that has the same singular and plural form

  306. // for example: "rice"

  307. func (rs *Ruleset) AddUncountable(word string) {

  308. 	rs.uncountables[strings.ToLower(word)] = true

  309. }

  310. 

  311. func (rs *Ruleset) isUncountable(word string) bool {

  312. 	// handle multiple words by using the last one

  313. 	words := strings.Split(word, " ")

  314. 	if _, exists := rs.uncountables[strings.ToLower(words[len(words)-1])]; exists {

  315. 		return true

  316. 	}

  317. 	return false

  318. }

  319. 

  320. // returns the plural form of a singular word

  321. func (rs *Ruleset) Pluralize(word string) string {

  322. 	if len(word) == 0 {

  323. 		return word

  324. 	}

  325. 	if rs.isUncountable(word) {

  326. 		return word

  327. 	}

  328. 	for _, rule := range rs.plurals {

  329. 		if rule.exact {

  330. 			if word == rule.suffix {

  331. 				return rule.replacement

  332. 			}

  333. 		} else {

  334. 			if strings.HasSuffix(word, rule.suffix) {

  335. 				return replaceLast(word, rule.suffix, rule.replacement)

  336. 			}

  337. 		}

  338. 	}

  339. 	return word + "s"

  340. }

  341. 

  342. // returns the singular form of a plural word

  343. func (rs *Ruleset) Singularize(word string) string {

  344. 	if len(word) == 0 {

  345. 		return word

  346. 	}

  347. 	if rs.isUncountable(word) {

  348. 		return word

  349. 	}

  350. 	for _, rule := range rs.singulars {

  351. 		if rule.exact {

  352. 			if word == rule.suffix {

  353. 				return rule.replacement

  354. 			}

  355. 		} else {

  356. 			if strings.HasSuffix(word, rule.suffix) {

  357. 				return replaceLast(word, rule.suffix, rule.replacement)

  358. 			}

  359. 		}

  360. 	}

  361. 	return word

  362. }

  363. 

  364. // uppercase first character

  365. func (rs *Ruleset) Capitalize(word string) string {

  366. 	return strings.ToUpper(word[:1]) + word[1:]

  367. }

  368. 

  369. // "dino_party" -> "DinoParty"

  370. func (rs *Ruleset) Camelize(word string) string {

  371. 	words := splitAtCaseChangeWithTitlecase(word)

  372. 	return strings.Join(words, "")

  373. }

  374. 

  375. // same as Camelcase but with first letter downcased

  376. func (rs *Ruleset) CamelizeDownFirst(word string) string {

  377. 	word = Camelize(word)

  378. 	return strings.ToLower(word[:1]) + word[1:]

  379. }

  380. 

  381. // Captitilize every word in sentance "hello there" -> "Hello There"

  382. func (rs *Ruleset) Titleize(word string) string {

  383. 	words := splitAtCaseChangeWithTitlecase(word)

  384. 	return strings.Join(words, " ")

  385. }

  386. 

  387. func (rs *Ruleset) safeCaseAcronyms(word string) string {

  388. 	// convert an acroymn like HTML into Html

  389. 	for _, rule := range rs.acronyms {

  390. 		word = strings.Replace(word, rule.suffix, rule.replacement, -1)

  391. 	}

  392. 	return word

  393. }

  394. 

  395. func (rs *Ruleset) seperatedWords(word, sep string) string {

  396. 	word = rs.safeCaseAcronyms(word)

  397. 	words := splitAtCaseChange(word)

  398. 	return strings.Join(words, sep)

  399. }

  400. 

  401. // lowercase underscore version "BigBen" -> "big_ben"

  402. func (rs *Ruleset) Underscore(word string) string {

  403. 	return rs.seperatedWords(word, "_")

  404. }

  405. 

  406. // First letter of sentance captitilized

  407. // Uses custom friendly replacements via AddHuman()

  408. func (rs *Ruleset) Humanize(word string) string {

  409. 	word = replaceLast(word, "_id", "") // strip foreign key kinds

  410. 	// replace and strings in humans list

  411. 	for _, rule := range rs.humans {

  412. 		word = strings.Replace(word, rule.suffix, rule.replacement, -1)

  413. 	}

  414. 	sentance := rs.seperatedWords(word, " ")

  415. 	return strings.ToUpper(sentance[:1]) + sentance[1:]

  416. }

  417. 

  418. // an underscored foreign key name "Person" -> "person_id"

  419. func (rs *Ruleset) ForeignKey(word string) string {

  420. 	return rs.Underscore(rs.Singularize(word)) + "_id"

  421. }

  422. 

  423. // a foreign key (with an underscore) "Person" -> "personid"

  424. func (rs *Ruleset) ForeignKeyCondensed(word string) string {

  425. 	return rs.Underscore(word) + "id"

  426. }

  427. 

  428. // Rails style pluralized table names: "SuperPerson" -> "super_people"

  429. func (rs *Ruleset) Tableize(word string) string {

  430. 	return rs.Pluralize(rs.Underscore(rs.Typeify(word)))

  431. }

  432. 

  433. var notUrlSafe *regexp.Regexp = regexp.MustCompile(`[^\w\d\-_ ]`)

  434. 

  435. // param safe dasherized names like "my-param"

  436. func (rs *Ruleset) Parameterize(word string) string {

  437. 	return ParameterizeJoin(word, "-")

  438. }

  439. 

  440. // param safe dasherized names with custom seperator

  441. func (rs *Ruleset) ParameterizeJoin(word, sep string) string {

  442. 	word = strings.ToLower(word)

  443. 	word = rs.Asciify(word)

  444. 	word = notUrlSafe.ReplaceAllString(word, "")

  445. 	word = strings.Replace(word, " ", sep, -1)

  446. 	if len(sep) > 0 {

  447. 		squash, err := regexp.Compile(sep + "+")

  448. 		if err == nil {

  449. 			word = squash.ReplaceAllString(word, sep)

  450. 		}

  451. 	}

  452. 	word = strings.Trim(word, sep+" ")

  453. 	return word

  454. }

  455. 

  456. var lookalikes map[string]*regexp.Regexp = map[string]*regexp.Regexp{

  457. 	"A":  regexp.MustCompile(`À|Á|Â|Ã|Ä|Å`),

  458. 	"AE": regexp.MustCompile(`Æ`),

  459. 	"C":  regexp.MustCompile(`Ç`),

  460. 	"E":  regexp.MustCompile(`È|É|Ê|Ë`),

  461. 	"G":  regexp.MustCompile(`Ğ`),

  462. 	"I":  regexp.MustCompile(`Ì|Í|Î|Ï|İ`),

  463. 	"N":  regexp.MustCompile(`Ñ`),

  464. 	"O":  regexp.MustCompile(`Ò|Ó|Ô|Õ|Ö|Ø`),

  465. 	"S":  regexp.MustCompile(`Ş`),

  466. 	"U":  regexp.MustCompile(`Ù|Ú|Û|Ü`),

  467. 	"Y":  regexp.MustCompile(`Ý`),

  468. 	"ss": regexp.MustCompile(`ß`),

  469. 	"a":  regexp.MustCompile(`à|á|â|ã|ä|å`),

  470. 	"ae": regexp.MustCompile(`æ`),

  471. 	"c":  regexp.MustCompile(`ç`),

  472. 	"e":  regexp.MustCompile(`è|é|ê|ë`),

  473. 	"g":  regexp.MustCompile(`ğ`),

  474. 	"i":  regexp.MustCompile(`ì|í|î|ï|ı`),

  475. 	"n":  regexp.MustCompile(`ñ`),

  476. 	"o":  regexp.MustCompile(`ò|ó|ô|õ|ö|ø`),

  477. 	"s":  regexp.MustCompile(`ş`),

  478. 	"u":  regexp.MustCompile(`ù|ú|û|ü|ũ|ū|ŭ|ů|ű|ų`),

  479. 	"y":  regexp.MustCompile(`ý|ÿ`),

  480. }

  481. 

  482. // transforms latin characters like é -> e

  483. func (rs *Ruleset) Asciify(word string) string {

  484. 	for repl, regex := range lookalikes {

  485. 		word = regex.ReplaceAllString(word, repl)

  486. 	}

  487. 	return word

  488. }

  489. 

  490. var tablePrefix *regexp.Regexp = regexp.MustCompile(`^[^.]*\.`)

  491. 

  492. // "something_like_this" -> "SomethingLikeThis"

  493. func (rs *Ruleset) Typeify(word string) string {

  494. 	word = tablePrefix.ReplaceAllString(word, "")

  495. 	return rs.Camelize(rs.Singularize(word))

  496. }

  497. 

  498. // "SomeText" -> "some-text"

  499. func (rs *Ruleset) Dasherize(word string) string {

  500. 	return rs.seperatedWords(word, "-")

  501. }

  502. 

  503. // "1031" -> "1031st"

  504. func (rs *Ruleset) Ordinalize(str string) string {

  505. 	number, err := strconv.Atoi(str)

  506. 	if err != nil {

  507. 		return str

  508. 	}

  509. 	switch abs(number) % 100 {

  510. 	case 11, 12, 13:

  511. 		return fmt.Sprintf("%dth", number)

  512. 	default:

  513. 		switch abs(number) % 10 {

  514. 		case 1:

  515. 			return fmt.Sprintf("%dst", number)

  516. 		case 2:

  517. 			return fmt.Sprintf("%dnd", number)

  518. 		case 3:

  519. 			return fmt.Sprintf("%drd", number)

  520. 		}

  521. 	}

  522. 	return fmt.Sprintf("%dth", number)

  523. }

  524. 

  525. /////////////////////////////////////////

  526. // the default global ruleset

  527. //////////////////////////////////////////

  528. 

  529. var defaultRuleset *Ruleset

  530. 

  531. func init() {

  532. 	defaultRuleset = NewDefaultRuleset()

  533. }

  534. 

  535. func Uncountables() map[string]bool {

  536. 	return defaultRuleset.Uncountables()

  537. }

  538. 

  539. func AddPlural(suffix, replacement string) {

  540. 	defaultRuleset.AddPlural(suffix, replacement)

  541. }

  542. 

  543. func AddSingular(suffix, replacement string) {

  544. 	defaultRuleset.AddSingular(suffix, replacement)

  545. }

  546. 

  547. func AddHuman(suffix, replacement string) {

  548. 	defaultRuleset.AddHuman(suffix, replacement)

  549. }

  550. 

  551. func AddIrregular(singular, plural string) {

  552. 	defaultRuleset.AddIrregular(singular, plural)

  553. }

  554. 

  555. func AddAcronym(word string) {

  556. 	defaultRuleset.AddAcronym(word)

  557. }

  558. 

  559. func AddUncountable(word string) {

  560. 	defaultRuleset.AddUncountable(word)

  561. }

  562. 

  563. func Pluralize(word string) string {

  564. 	return defaultRuleset.Pluralize(word)

  565. }

  566. 

  567. func Singularize(word string) string {

  568. 	return defaultRuleset.Singularize(word)

  569. }

  570. 

  571. func Capitalize(word string) string {

  572. 	return defaultRuleset.Capitalize(word)

  573. }

  574. 

  575. func Camelize(word string) string {

  576. 	return defaultRuleset.Camelize(word)

  577. }

  578. 

  579. func CamelizeDownFirst(word string) string {

  580. 	return defaultRuleset.CamelizeDownFirst(word)

  581. }

  582. 

  583. func Titleize(word string) string {

  584. 	return defaultRuleset.Titleize(word)

  585. }

  586. 

  587. func Underscore(word string) string {

  588. 	return defaultRuleset.Underscore(word)

  589. }

  590. 

  591. func Humanize(word string) string {

  592. 	return defaultRuleset.Humanize(word)

  593. }

  594. 

  595. func ForeignKey(word string) string {

  596. 	return defaultRuleset.ForeignKey(word)

  597. }

  598. 

  599. func ForeignKeyCondensed(word string) string {

  600. 	return defaultRuleset.ForeignKeyCondensed(word)

  601. }

  602. 

  603. func Tableize(word string) string {

  604. 	return defaultRuleset.Tableize(word)

  605. }

  606. 

  607. func Parameterize(word string) string {

  608. 	return defaultRuleset.Parameterize(word)

  609. }

  610. 

  611. func ParameterizeJoin(word, sep string) string {

  612. 	return defaultRuleset.ParameterizeJoin(word, sep)

  613. }

  614. 

  615. func Typeify(word string) string {

  616. 	return defaultRuleset.Typeify(word)

  617. }

  618. 

  619. func Dasherize(word string) string {

  620. 	return defaultRuleset.Dasherize(word)

  621. }

  622. 

  623. func Ordinalize(word string) string {

  624. 	return defaultRuleset.Ordinalize(word)

  625. }

  626. 

  627. func Asciify(word string) string {

  628. 	return defaultRuleset.Asciify(word)

  629. }

  630. 

  631. // helper funcs

  632. 

  633. func reverse(s string) string {

  634. 	o := make([]rune, utf8.RuneCountInString(s))

  635. 	i := len(o)

  636. 	for _, c := range s {

  637. 		i--

  638. 		o[i] = c

  639. 	}

  640. 	return string(o)

  641. }

  642. 

  643. func isSpacerChar(c rune) bool {

  644. 	switch {

  645. 	case c == rune("_"[0]):

  646. 		return true

  647. 	case c == rune(" "[0]):

  648. 		return true

  649. 	case c == rune(":"[0]):

  650. 		return true

  651. 	case c == rune("-"[0]):

  652. 		return true

  653. 	}

  654. 	return false

  655. }

  656. 

  657. func splitAtCaseChange(s string) []string {

  658. 	words := make([]string, 0)

  659. 	word := make([]rune, 0)

  660. 	for _, c := range s {

  661. 		spacer := isSpacerChar(c)

  662. 		if len(word) > 0 {

  663. 			if unicode.IsUpper(c) || spacer {

  664. 				words = append(words, string(word))

  665. 				word = make([]rune, 0)

  666. 			}

  667. 		}

  668. 		if !spacer {

  669. 			word = append(word, unicode.ToLower(c))

  670. 		}

  671. 	}

  672. 	words = append(words, string(word))

  673. 	return words

  674. }

  675. 

  676. func splitAtCaseChangeWithTitlecase(s string) []string {

  677. 	words := make([]string, 0)

  678. 	word := make([]rune, 0)

  679. 	for _, c := range s {

  680. 		spacer := isSpacerChar(c)

  681. 		if len(word) > 0 {

  682. 			if unicode.IsUpper(c) || spacer {

  683. 				words = append(words, string(word))

  684. 				word = make([]rune, 0)

  685. 			}

  686. 		}

  687. 		if !spacer {

  688. 			if len(word) > 0 {

  689. 				word = append(word, unicode.ToLower(c))

  690. 			} else {

  691. 				word = append(word, unicode.ToUpper(c))

  692. 			}

  693. 		}

  694. 	}

  695. 	words = append(words, string(word))

  696. 	return words

  697. }

  698. 

  699. func replaceLast(s, match, repl string) string {

  700. 	// reverse strings

  701. 	srev := reverse(s)

  702. 	mrev := reverse(match)

  703. 	rrev := reverse(repl)

  704. 	// match first and reverse back

  705. 	return reverse(strings.Replace(srev, mrev, rrev, 1))

  706. }

  707. 

  708. func abs(x int) int {

  709. 	if x < 0 {

  710. 		return -x

  711. 	}

  712. 	return x

  713. }
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