How to use NewWords method of diff Package

Best Got code snippet using diff.NewWords

replace.go

Source:replace.go Github

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1package misspell2import (3 "bufio"4 "bytes"5 "io"6 "regexp"7 "strings"8 "text/scanner"9)10func max(x, y int) int {11 if x > y {12 return x13 }14 return y15}16func inArray(haystack []string, needle string) bool {17 for _, word := range haystack {18 if needle == word {19 return true20 }21 }22 return false23}24var wordRegexp = regexp.MustCompile(`[a-zA-Z0-9']+`)25// Diff is datastructure showing what changed in a single line26type Diff struct {27 Filename string28 FullLine string29 Line int30 Column int31 Original string32 Corrected string33}34// Replacer is the main struct for spelling correction35type Replacer struct {36 Replacements []string37 Debug bool38 engine *StringReplacer39 corrected map[string]string40}41// New creates a new default Replacer using the main rule list42func New() *Replacer {43 r := Replacer{44 Replacements: DictMain,45 }46 r.Compile()47 return &r48}49// RemoveRule deletes existings rules.50// TODO: make inplace to save memory51func (r *Replacer) RemoveRule(ignore []string) {52 newwords := make([]string, 0, len(r.Replacements))53 for i := 0; i < len(r.Replacements); i += 2 {54 if inArray(ignore, r.Replacements[i]) {55 continue56 }57 newwords = append(newwords, r.Replacements[i:i+2]...)58 }59 r.engine = nil60 r.Replacements = newwords61}62// AddRuleList appends new rules.63// Input is in the same form as Strings.Replacer: [ old1, new1, old2, new2, ....]64// Note: does not check for duplictes65func (r *Replacer) AddRuleList(additions []string) {66 r.engine = nil67 r.Replacements = append(r.Replacements, additions...)68}69// Compile compiles the rules. Required before using the Replace functions70func (r *Replacer) Compile() {71 r.corrected = make(map[string]string, len(r.Replacements)/2)72 for i := 0; i < len(r.Replacements); i += 2 {73 r.corrected[r.Replacements[i]] = r.Replacements[i+1]74 }75 r.engine = NewStringReplacer(r.Replacements...)76}77/*78line1 and line2 are different79extract words from each line180replace word -> newword81if word == new-word82 continue83if new-word in list of replacements84 continue85new word not original, and not in list of replacements86 some substring got mixed up. UNdo87*/88func (r *Replacer) recheckLine(s string, lineNum int, buf io.Writer, next func(Diff)) {89 first := 090 redacted := RemoveNotWords(s)91 idx := wordRegexp.FindAllStringIndex(redacted, -1)92 for _, ab := range idx {93 word := s[ab[0]:ab[1]]94 newword := r.engine.Replace(word)95 if newword == word {96 // no replacement done97 continue98 }99 // ignore camelCase words100 // https://github.com/client9/misspell/issues/113101 if CaseStyle(word) == CaseUnknown {102 continue103 }104 if StringEqualFold(r.corrected[strings.ToLower(word)], newword) {105 // word got corrected into something we know106 io.WriteString(buf, s[first:ab[0]])107 io.WriteString(buf, newword)108 first = ab[1]109 next(Diff{110 FullLine: s,111 Line: lineNum,112 Original: word,113 Corrected: newword,114 Column: ab[0],115 })116 continue117 }118 // Word got corrected into something unknown. Ignore it119 }120 io.WriteString(buf, s[first:])121}122// ReplaceGo is a specialized routine for correcting Golang source123// files. Currently only checks comments, not identifiers for124// spelling.125func (r *Replacer) ReplaceGo(input string) (string, []Diff) {126 var s scanner.Scanner127 s.Init(strings.NewReader(input))128 s.Mode = scanner.ScanIdents | scanner.ScanFloats | scanner.ScanChars | scanner.ScanStrings | scanner.ScanRawStrings | scanner.ScanComments129 lastPos := 0130 output := ""131Loop:132 for {133 switch s.Scan() {134 case scanner.Comment:135 origComment := s.TokenText()136 newComment := r.engine.Replace(origComment)137 if origComment != newComment {138 // s.Pos().Offset is the end of the current token139 // subtract len(origComment) to get the start of the token140 offset := s.Pos().Offset141 output = output + input[lastPos:offset-len(origComment)] + newComment142 lastPos = offset143 }144 case scanner.EOF:145 break Loop146 }147 }148 if lastPos == 0 {149 // no changes, no copies150 return input, nil151 }152 if lastPos < len(input) {153 output = output + input[lastPos:]154 }155 diffs := make([]Diff, 0, 8)156 buf := bytes.NewBuffer(make([]byte, 0, max(len(input), len(output))+100))157 // faster that making a bytes.Buffer and bufio.ReadString158 outlines := strings.SplitAfter(output, "\n")159 inlines := strings.SplitAfter(input, "\n")160 for i := 0; i < len(inlines); i++ {161 if inlines[i] == outlines[i] {162 buf.WriteString(outlines[i])163 continue164 }165 r.recheckLine(inlines[i], i+1, buf, func(d Diff) {166 diffs = append(diffs, d)167 })168 }169 return buf.String(), diffs170}171// Replace is corrects misspellings in input, returning corrected version172// along with a list of diffs.173func (r *Replacer) Replace(input string) (string, []Diff) {174 output := r.engine.Replace(input)175 if input == output {176 return input, nil177 }178 diffs := make([]Diff, 0, 8)179 buf := bytes.NewBuffer(make([]byte, 0, max(len(input), len(output))+100))180 // faster that making a bytes.Buffer and bufio.ReadString181 outlines := strings.SplitAfter(output, "\n")182 inlines := strings.SplitAfter(input, "\n")183 for i := 0; i < len(inlines); i++ {184 if inlines[i] == outlines[i] {185 buf.WriteString(outlines[i])186 continue187 }188 r.recheckLine(inlines[i], i+1, buf, func(d Diff) {189 diffs = append(diffs, d)190 })191 }192 return buf.String(), diffs193}194// ReplaceReader applies spelling corrections to a reader stream. Diffs are195// emitted through a callback.196func (r *Replacer) ReplaceReader(raw io.Reader, w io.Writer, next func(Diff)) error {197 var (198 err error199 line string200 lineNum int201 )202 reader := bufio.NewReader(raw)203 for err == nil {204 lineNum++205 line, err = reader.ReadString('\n')206 // if it's EOF, then line has the last line207 // don't like the check of err here and208 // in for loop209 if err != nil && err != io.EOF {210 return err211 }212 // easily 5x faster than regexp+map213 if line == r.engine.Replace(line) {214 io.WriteString(w, line)215 continue216 }217 // but it can be inaccurate, so we need to double check218 r.recheckLine(line, lineNum, w, next)219 }220 return nil221}...

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lcs_test.go

Source:lcs_test.go Github

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...10)11func TestReduce(t *testing.T) {12 eq := func(x, y string, e string) {13 t.Helper()14 out := diff.NewWords(diff.Split(x)).Reduce(diff.NewWords(diff.Split(y))).String()15 if out != e {16 t.Error(out, "!=", e)17 }18 }19 eq("", "", "")20 eq("", "a", "")21 eq("a", "", "")22 eq("abc", "abc", "abc")23 eq("abc", "acb", "abc")24 eq("abc", "acbc", "abc")25 eq("abc", "xxx", "")26 eq("ac", "bc", "c")27}28func TestCommon(t *testing.T) {29 eq := func(x, y string, el, er int) {30 t.Helper()31 l, r := diff.NewWords(diff.Split(x)).Common(diff.NewWords(diff.Split(y)))32 if l != el || r != er {33 t.Error(l, r, "!=", el, er)34 }35 }36 eq("", "", 0, 0)37 eq("", "a", 0, 0)38 eq("a", "", 0, 0)39 eq("abc", "abc", 3, 0)40 eq("abc", "acb", 1, 0)41 eq("abc", "acbc", 1, 2)42 eq("abc", "xxx", 0, 0)43 eq("ac", "bc", 0, 1)44}45func TestLCSString(t *testing.T) {46 eq := func(x, y, expected string) {47 t.Helper()48 ctx, cancel := context.WithTimeout(context.Background(), time.Second)49 defer cancel()50 lcs := diff.NewWords(split(x)).LCS(ctx, diff.NewWords(split(y)))51 out := lcs.String()52 if out != expected {53 t.Error(out, "!=", expected)54 }55 }56 eq("", "", "")57 eq("abc", "acb", "ac")58 eq("abc", "acbc", "abc")59 eq("abc", "xxx", "")60 eq("ac", "bc", "c")61 eq("gac", "agcat", "gc")62 eq("agcat", "gac", "ga")63 x := bytes.Repeat([]byte("x"), 100000)64 y := bytes.Repeat([]byte("y"), 100000)65 eq(string(x), string(y), "")66 x[len(x)/2] = byte('a')67 y[len(y)/2] = byte('a')68 eq(string(x), string(y), "a")69 x[len(x)/2] = byte('y')70 y[len(y)/2] = byte('x')71 eq(string(x), string(y), "yx")72}73func TestLCSRandomString(t *testing.T) {74 g := got.T(t)75 x := g.ReadFile("fixtures/rand_x.txt").String()76 y := g.ReadFile("fixtures/rand_y.txt").String()77 res := diff.NewWords(split(x)).LCS(g.Context(), diff.NewWords(split(y)))78 g.Eq(79 res.String(),80 g.ReadFile("fixtures/rand_lcs.txt").String(),81 )82}83func TestText(t *testing.T) {84 g := setup(t)85 g.Len(diff.NewLines("a"), 1)86 g.Len(diff.NewLines("a\n"), 2)87 g.Len(diff.NewLines("a\n\n"), 3)88 g.Len(diff.NewLines("\na"), 2)89}90func TestLCSText(t *testing.T) {91 g := setup(t)92 eq := func(x, y, expected string) {93 t.Helper()94 x = strings.Join(strings.Split(x, ""), "\n")95 y = strings.Join(strings.Split(y, ""), "\n")96 expected = strings.Join(strings.Split(expected, ""), "\n")97 lcs := diff.NewLines(x).LCS(context.Background(), diff.NewLines(y))98 g.Eq(lcs.String(), expected)99 }100 eq("", "", "")101 eq("abc", "acb", "ac")102 eq("abc", "acbc", "abc")103 eq("abc", "xxx", "")104}105func TestIsIn(t *testing.T) {106 g := got.T(t)107 y := diff.NewWords(split("abc"))108 g.True(diff.NewWords(split("ab")).IsSubsequenceOf(y))109 g.True(diff.NewWords(split("ac")).IsSubsequenceOf(y))110 g.True(diff.NewWords(split("bc")).IsSubsequenceOf(y))111 g.False(diff.NewWords(split("cb")).IsSubsequenceOf(y))112 g.False(diff.NewWords(split("ba")).IsSubsequenceOf(y))113 g.False(diff.NewWords(split("ca")).IsSubsequenceOf(y))114}115func TestBTreeFindGreater(t *testing.T) {116 g := got.T(t)117 check := func(x int, ey int, ef bool) {118 g.Helper()119 y, f := diff.BTreeFindGreater([]int{1, 3, 5, 7, 9, 11}, x)120 g.Eq(y, ey)121 g.Eq(f, ef)122 }123 check(4, 5, true)124 check(5, 7, true)125 check(1, 3, true)126 check(8, 9, true)127 check(11, 0, false)...

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NewWords

Using AI Code Generation

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1import (2func main() {3 dmp := diffmatchpatch.New()4 d := dmp.DiffMain("Hello World!", "Hello Go World!", false)5 fmt.Println(dmp.DiffPrettyText(d))6}

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NewWords

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Enter two strings:")4 fmt.Scan(&str1, &str2)5 diff := NewWords(str1, str2)6 fmt.Println("Words in first string but not in second string are:")7 fmt.Println(diff)8}9import (10func main() {11 fmt.Println("Enter two strings:")12 fmt.Scan(&str1, &str2)13 diff := Words(str1, str2)14 fmt.Println("Words in first string but not in second string are:")15 fmt.Println(diff)16}17import (18func main() {19 fmt.Println("Enter two strings:")20 fmt.Scan(&str1, &str2)21 diff := Words(str1, str2)22 fmt.Println("Words in first string but not in second string are:")23 fmt.Println(diff)24}25import (26func main() {27 fmt.Println("Enter two strings:")28 fmt.Scan(&str1, &str2)29 diff := Words(str1, str2)30 fmt.Println("Words in first string but not in second string are:")31 fmt.Println(diff)32}33import (34func main() {35 fmt.Println("Enter two strings:")36 fmt.Scan(&str1, &str2)37 diff := Words(str1, str2)38 fmt.Println("Words in first string but not in second string are:")39 fmt.Println(diff)40}41import (42func main() {43 fmt.Println("Enter two strings:")44 fmt.Scan(&str1, &str2)45 diff := Words(str1, str2)46 fmt.Println("Words in first string but not in second string are:")47 fmt.Println(diff

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NewWords

Using AI Code Generation

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1import (2func main() {3 diff := NewWords(str1, str2)4 fmt.Println(diff)5}6type Diff struct {7}8func NewWords(str1, str2 string) *Diff {9 return &Diff{str1, str2}10}11type Diff struct {12}13func NewWords(str1, str2 string) *Diff {14 return &Diff{str1, str2}15}

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NewWords

Using AI Code Generation

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1func main() {2 words := diff.NewWords()3 words.Add("hello")4 words.Add("world")5 words.Add("goodbye")6 words.Add("world")7 fmt.Println(words)8}9func main() {10 words := diff.NewWords()11 words.Add("hello")12 words.Add("world")13 words.Add("goodbye")14 words.Add("world")15 fmt.Println(words)16}17func main() {18 words := diff.NewWords()19 words.Add("hello")20 words.Add("world")21 words.Add("goodbye")22 words.Add("world")23 fmt.Println(words)24}25func main() {26 words := diff.NewWords()27 words.Add("hello")28 words.Add("world")29 words.Add("goodbye")30 words.Add("world")31 fmt.Println(words)32}33func main() {34 words := diff.NewWords()35 words.Add("hello")36 words.Add("world")37 words.Add("goodbye")38 words.Add("world")39 fmt.Println(words)40}41func main() {42 words := diff.NewWords()43 words.Add("hello")44 words.Add("world")45 words.Add("goodbye")46 words.Add("world")47 fmt.Println(words)48}49func main() {50 words := diff.NewWords()51 words.Add("hello")52 words.Add("world")53 words.Add("goodbye")54 words.Add("world")55 fmt.Println(words)56}57func main() {58 words := diff.NewWords()59 words.Add("hello")60 words.Add("world

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NewWords

Using AI Code Generation

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1import "fmt"2func main() {3 diff := diff{words:make([]string,0)}4 diff.NewWords("hello")5 diff.NewWords("world")6 fmt.Println(diff.words)7}8import "fmt"9func main() {10 diff := diff{words:make([]string,0)}11 diff.NewWords("hello")12 diff.NewWords("world")13 fmt.Println(diff.words)14}15import "fmt"16func main() {17 diff := diff{words:make([]string,0)}18 diff.NewWords("hello")19 diff.NewWords("world")20 fmt.Println(diff.words)21}22import "fmt"23func main() {24 diff := diff{words:make([]string,0)}25 diff.NewWords("hello")26 diff.NewWords("world")27 fmt.Println(diff.words)28}29import "fmt"30func main() {31 diff := diff{words:make([]string,0)}32 diff.NewWords("hello")33 diff.NewWords("world")34 fmt.Println(diff.words)35}36import "fmt"37func main() {38 diff := diff{words:make([]string,0)}39 diff.NewWords("hello")40 diff.NewWords("world")41 fmt.Println(diff.words)42}43import "fmt"44func main() {45 diff := diff{words:make([]string,0)}46 diff.NewWords("hello")47 diff.NewWords("world")48 fmt.Println(diff.words)49}50import "fmt"51func main() {52 diff := diff{words:make([]string,0)}53 diff.NewWords("hello")54 diff.NewWords("world")55 fmt.Println(diff.words)56}

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NewWords

Using AI Code Generation

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1import (2func main() {3 d.NewWords("hello world")4 fmt.Println(d.words)5}6import (7func main() {8 d.NewWords("hello world")9 fmt.Println(d.words)10}11import (12func main() {13 d.NewWords("hello world")14 fmt.Println(d.words)15}16import (17func main() {18 d.NewWords("hello world")19 fmt.Println(d.words)20}21import (22func main() {23 d.NewWords("hello world")24 fmt.Println(d.words)25}26import (27func main() {28 d.NewWords("hello world")29 fmt.Println(d.words)30}31import (32func main() {

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NewWords

Using AI Code Generation

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1func main() {2 d := diff.NewWords("Hello world", "Hello world!")3 fmt.Printf("%v4 fmt.Printf("%v5", d.Diff())6 fmt.Printf("%v7", d.Hunks())8}9func main() {10 d := diff.NewWords("Hello world", "Hello world!")11 fmt.Printf("%v12 fmt.Printf("%v13", d.Diff())14 fmt.Printf("%v15", d.Hunks())16}17func main() {18 d := diff.NewWords("Hello world", "Hello world!")19 fmt.Printf("%v20 fmt.Printf("%v21", d.Diff())22 fmt.Printf("%v23", d.Hunks())24}25func main() {26 d := diff.NewWords("Hello world", "Hello world!")27 fmt.Printf("%v28 fmt.Printf("%v29", d.Diff())30 fmt.Printf("%v31", d.Hunks())32}33func main() {34 d := diff.NewWords("Hello world", "Hello world!")35 fmt.Printf("%v

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NewWords

Using AI Code Generation

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1import (2func main() {3 fmt.Printf("%s4", pretty.Sprint(diff.NewWords("Hello World!")))5}6import (7func main() {8 fmt.Printf("%s9", pretty.Sprint(diff.NewWords("Hello World!")))10}11import (12func main() {13 fmt.Printf("%s14", pretty.Sprint(diff.NewWords("Hello World!")))15}16import (17func main() {18 fmt.Printf("%s19", pretty.Sprint(diff.NewWords("Hello World!")))20}21import (22func main() {23 fmt.Printf("%s24", pretty.Sprint(diff.NewWords("Hello World!")))25}26import (27func main() {28 fmt.Printf("%s29", pretty.Sprint(diff.NewWords("Hello World!")))30}31import (32func main() {33 fmt.Printf("%s34", pretty.Sprint(diff.NewWords("Hello World!")))35}36import (37func main() {38 fmt.Printf("%s39", pretty.Sprint(diff.NewWords("Hello World!")))40}41import (

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NewWords

Using AI Code Generation

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1func main(){2 fmt.Println(diff.NewWords())3}4func main(){5 fmt.Println(diff.NewWords())6}7func main(){8 fmt.Println(diff.NewWords())9}10func main(){11 fmt.Println(diff2.NewWords())12}13func main(){14 fmt.Println(diff.NewWords())15}16func main(){17 fmt.Println(diff.NewWords())18}19func main(){20 fmt.Println(diff.NewWords())21}22func main(){23 fmt.Println(diff.NewWords())24}

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