From c4a207622a894ba9839f1a3c47c9d78beff9b861 Mon Sep 17 00:00:00 2001 From: Michael Muré Date: Mon, 24 Sep 2018 19:22:32 +0200 Subject: github: query most of the data --- vendor/github.com/shurcooL/graphql/ident/ident.go | 240 ++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 vendor/github.com/shurcooL/graphql/ident/ident.go (limited to 'vendor/github.com/shurcooL/graphql/ident/ident.go') diff --git a/vendor/github.com/shurcooL/graphql/ident/ident.go b/vendor/github.com/shurcooL/graphql/ident/ident.go new file mode 100644 index 00000000..29e498ed --- /dev/null +++ b/vendor/github.com/shurcooL/graphql/ident/ident.go @@ -0,0 +1,240 @@ +// Package ident provides functions for parsing and converting identifier names +// between various naming convention. It has support for MixedCaps, lowerCamelCase, +// and SCREAMING_SNAKE_CASE naming conventions. +package ident + +import ( + "strings" + "unicode" + "unicode/utf8" +) + +// ParseMixedCaps parses a MixedCaps identifier name. +// +// E.g., "ClientMutationID" -> {"Client", "Mutation", "ID"}. +func ParseMixedCaps(name string) Name { + var words Name + + // Split name at any lower -> Upper or Upper -> Upper,lower transitions. + // Check each word for initialisms. + runes := []rune(name) + w, i := 0, 0 // Index of start of word, scan. + for i+1 <= len(runes) { + eow := false // Whether we hit the end of a word. + if i+1 == len(runes) { + eow = true + } else if unicode.IsLower(runes[i]) && unicode.IsUpper(runes[i+1]) { + // lower -> Upper. + eow = true + } else if i+2 < len(runes) && unicode.IsUpper(runes[i]) && unicode.IsUpper(runes[i+1]) && unicode.IsLower(runes[i+2]) { + // Upper -> Upper,lower. End of acronym, followed by a word. + eow = true + + if string(runes[i:i+3]) == "IDs" { // Special case, plural form of ID initialism. + eow = false + } + } + i++ + if !eow { + continue + } + + // [w, i) is a word. + word := string(runes[w:i]) + if initialism, ok := isInitialism(word); ok { + words = append(words, initialism) + } else if i1, i2, ok := isTwoInitialisms(word); ok { + words = append(words, i1, i2) + } else { + words = append(words, word) + } + w = i + } + return words +} + +// ParseLowerCamelCase parses a lowerCamelCase identifier name. +// +// E.g., "clientMutationId" -> {"client", "Mutation", "Id"}. +func ParseLowerCamelCase(name string) Name { + var words Name + + // Split name at any Upper letters. + runes := []rune(name) + w, i := 0, 0 // Index of start of word, scan. + for i+1 <= len(runes) { + eow := false // Whether we hit the end of a word. + if i+1 == len(runes) { + eow = true + } else if unicode.IsUpper(runes[i+1]) { + // Upper letter. + eow = true + } + i++ + if !eow { + continue + } + + // [w, i) is a word. + words = append(words, string(runes[w:i])) + w = i + } + return words +} + +// ParseScreamingSnakeCase parses a SCREAMING_SNAKE_CASE identifier name. +// +// E.g., "CLIENT_MUTATION_ID" -> {"CLIENT", "MUTATION", "ID"}. +func ParseScreamingSnakeCase(name string) Name { + var words Name + + // Split name at '_' characters. + runes := []rune(name) + w, i := 0, 0 // Index of start of word, scan. + for i+1 <= len(runes) { + eow := false // Whether we hit the end of a word. + if i+1 == len(runes) { + eow = true + } else if runes[i+1] == '_' { + // Underscore. + eow = true + } + i++ + if !eow { + continue + } + + // [w, i) is a word. + words = append(words, string(runes[w:i])) + if i < len(runes) && runes[i] == '_' { + // Skip underscore. + i++ + } + w = i + } + return words +} + +// Name is an identifier name, broken up into individual words. +type Name []string + +// ToMixedCaps expresses identifer name in MixedCaps naming convention. +// +// E.g., "ClientMutationID". +func (n Name) ToMixedCaps() string { + for i, word := range n { + if strings.EqualFold(word, "IDs") { // Special case, plural form of ID initialism. + n[i] = "IDs" + continue + } + if initialism, ok := isInitialism(word); ok { + n[i] = initialism + continue + } + if brand, ok := isBrand(word); ok { + n[i] = brand + continue + } + r, size := utf8.DecodeRuneInString(word) + n[i] = string(unicode.ToUpper(r)) + strings.ToLower(word[size:]) + } + return strings.Join(n, "") +} + +// ToLowerCamelCase expresses identifer name in lowerCamelCase naming convention. +// +// E.g., "clientMutationId". +func (n Name) ToLowerCamelCase() string { + for i, word := range n { + if i == 0 { + n[i] = strings.ToLower(word) + continue + } + r, size := utf8.DecodeRuneInString(word) + n[i] = string(unicode.ToUpper(r)) + strings.ToLower(word[size:]) + } + return strings.Join(n, "") +} + +// isInitialism reports whether word is an initialism. +func isInitialism(word string) (string, bool) { + initialism := strings.ToUpper(word) + _, ok := initialisms[initialism] + return initialism, ok +} + +// isTwoInitialisms reports whether word is two initialisms. +func isTwoInitialisms(word string) (string, string, bool) { + word = strings.ToUpper(word) + for i := 2; i <= len(word)-2; i++ { // Shortest initialism is 2 characters long. + _, ok1 := initialisms[word[:i]] + _, ok2 := initialisms[word[i:]] + if ok1 && ok2 { + return word[:i], word[i:], true + } + } + return "", "", false +} + +// initialisms is the set of initialisms in the MixedCaps naming convention. +// Only add entries that are highly unlikely to be non-initialisms. +// For instance, "ID" is fine (Freudian code is rare), but "AND" is not. +var initialisms = map[string]struct{}{ + // These are the common initialisms from golint. Keep them in sync + // with https://gotools.org/github.com/golang/lint#commonInitialisms. + "ACL": {}, + "API": {}, + "ASCII": {}, + "CPU": {}, + "CSS": {}, + "DNS": {}, + "EOF": {}, + "GUID": {}, + "HTML": {}, + "HTTP": {}, + "HTTPS": {}, + "ID": {}, + "IP": {}, + "JSON": {}, + "LHS": {}, + "QPS": {}, + "RAM": {}, + "RHS": {}, + "RPC": {}, + "SLA": {}, + "SMTP": {}, + "SQL": {}, + "SSH": {}, + "TCP": {}, + "TLS": {}, + "TTL": {}, + "UDP": {}, + "UI": {}, + "UID": {}, + "UUID": {}, + "URI": {}, + "URL": {}, + "UTF8": {}, + "VM": {}, + "XML": {}, + "XMPP": {}, + "XSRF": {}, + "XSS": {}, + + // Additional common initialisms. + "RSS": {}, +} + +// isBrand reports whether word is a brand. +func isBrand(word string) (string, bool) { + brand, ok := brands[strings.ToLower(word)] + return brand, ok +} + +// brands is the map of brands in the MixedCaps naming convention; +// see https://dmitri.shuralyov.com/idiomatic-go#for-brands-or-words-with-more-than-1-capital-letter-lowercase-all-letters. +// Key is the lower case version of the brand, value is the canonical brand spelling. +// Only add entries that are highly unlikely to be non-brands. +var brands = map[string]string{ + "github": "GitHub", +} -- cgit