How to use Split method of diff Package

Best Got code snippet using diff.Split

difflib_test.go

Source:difflib_test.go Github

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...104one105three106four`107 diff := UnifiedDiff{108 A: SplitLines(a),109 B: SplitLines(b),110 FromFile: "Original",111 FromDate: "2005-01-26 23:30:50",112 ToFile: "Current",113 ToDate: "2010-04-02 10:20:52",114 Context: 3,115 }116 result, _ := GetUnifiedDiffString(diff)117 fmt.Println(strings.Replace(result, "\t", " ", -1))118 // Output:119 // --- Original 2005-01-26 23:30:50120 // +++ Current 2010-04-02 10:20:52121 // @@ -1,5 +1,4 @@122 // +zero123 // one124 // -two125 // three126 // four127 // -fmt.Printf("%s,%T",a,b)128}129func ExampleGetContextDiffCode() {130 a := `one131two132three133four134fmt.Printf("%s,%T",a,b)`135 b := `zero136one137tree138four`139 diff := ContextDiff{140 A: SplitLines(a),141 B: SplitLines(b),142 FromFile: "Original",143 ToFile: "Current",144 Context: 3,145 Eol: "\n",146 }147 result, _ := GetContextDiffString(diff)148 fmt.Print(strings.Replace(result, "\t", " ", -1))149 // Output:150 // *** Original151 // --- Current152 // ***************153 // *** 1,5 ****154 // one155 // ! two156 // ! three157 // four158 // - fmt.Printf("%s,%T",a,b)159 // --- 1,4 ----160 // + zero161 // one162 // ! tree163 // four164}165func ExampleGetContextDiffString() {166 a := `one167two168three169four`170 b := `zero171one172tree173four`174 diff := ContextDiff{175 A: SplitLines(a),176 B: SplitLines(b),177 FromFile: "Original",178 ToFile: "Current",179 Context: 3,180 Eol: "\n",181 }182 result, _ := GetContextDiffString(diff)183 fmt.Printf(strings.Replace(result, "\t", " ", -1))184 // Output:185 // *** Original186 // --- Current187 // ***************188 // *** 1,4 ****189 // one190 // ! two191 // ! three192 // four193 // --- 1,4 ----194 // + zero195 // one196 // ! tree197 // four198}199func rep(s string, count int) string {200 return strings.Repeat(s, count)201}202func TestWithAsciiOneInsert(t *testing.T) {203 sm := NewMatcher(splitChars(rep("b", 100)),204 splitChars("a"+rep("b", 100)))205 assertAlmostEqual(t, sm.Ratio(), 0.995, 3)206 assertEqual(t, sm.GetOpCodes(),207 []OpCode{{'i', 0, 0, 0, 1}, {'e', 0, 100, 1, 101}})208 assertEqual(t, len(sm.bPopular), 0)209 sm = NewMatcher(splitChars(rep("b", 100)),210 splitChars(rep("b", 50)+"a"+rep("b", 50)))211 assertAlmostEqual(t, sm.Ratio(), 0.995, 3)212 assertEqual(t, sm.GetOpCodes(),213 []OpCode{{'e', 0, 50, 0, 50}, {'i', 50, 50, 50, 51}, {'e', 50, 100, 51, 101}})214 assertEqual(t, len(sm.bPopular), 0)215}216func TestWithAsciiOnDelete(t *testing.T) {217 sm := NewMatcher(splitChars(rep("a", 40)+"c"+rep("b", 40)),218 splitChars(rep("a", 40)+rep("b", 40)))219 assertAlmostEqual(t, sm.Ratio(), 0.994, 3)220 assertEqual(t, sm.GetOpCodes(),221 []OpCode{{'e', 0, 40, 0, 40}, {'d', 40, 41, 40, 40}, {'e', 41, 81, 40, 80}})222}223func TestWithAsciiBJunk(t *testing.T) {224 isJunk := func(s string) bool {225 return s == " "226 }227 sm := NewMatcherWithJunk(splitChars(rep("a", 40)+rep("b", 40)),228 splitChars(rep("a", 44)+rep("b", 40)), true, isJunk)229 assertEqual(t, sm.bJunk, map[string]struct{}{})230 sm = NewMatcherWithJunk(splitChars(rep("a", 40)+rep("b", 40)),231 splitChars(rep("a", 44)+rep("b", 40)+rep(" ", 20)), false, isJunk)232 assertEqual(t, sm.bJunk, map[string]struct{}{" ": struct{}{}})233 isJunk = func(s string) bool {234 return s == " " || s == "b"235 }236 sm = NewMatcherWithJunk(splitChars(rep("a", 40)+rep("b", 40)),237 splitChars(rep("a", 44)+rep("b", 40)+rep(" ", 20)), false, isJunk)238 assertEqual(t, sm.bJunk, map[string]struct{}{" ": struct{}{}, "b": struct{}{}})239}240func TestSFBugsRatioForNullSeqn(t *testing.T) {241 sm := NewMatcher(nil, nil)242 assertEqual(t, sm.Ratio(), 1.0)243 assertEqual(t, sm.QuickRatio(), 1.0)244 assertEqual(t, sm.RealQuickRatio(), 1.0)245}246func TestSFBugsComparingEmptyLists(t *testing.T) {247 groups := NewMatcher(nil, nil).GetGroupedOpCodes(-1)248 assertEqual(t, len(groups), 0)249 diff := UnifiedDiff{250 FromFile: "Original",251 ToFile: "Current",252 Context: 3,253 }254 result, err := GetUnifiedDiffString(diff)255 assertEqual(t, err, nil)256 assertEqual(t, result, "")257}258func TestOutputFormatRangeFormatUnified(t *testing.T) {259 // Per the diff spec at http://www.unix.org/single_unix_specification/260 //261 // Each <range> field shall be of the form:262 // %1d", <beginning line number> if the range contains exactly one line,263 // and:264 // "%1d,%1d", <beginning line number>, <number of lines> otherwise.265 // If a range is empty, its beginning line number shall be the number of266 // the line just before the range, or 0 if the empty range starts the file.267 fm := formatRangeUnified268 assertEqual(t, fm(3, 3), "3,0")269 assertEqual(t, fm(3, 4), "4")270 assertEqual(t, fm(3, 5), "4,2")271 assertEqual(t, fm(3, 6), "4,3")272 assertEqual(t, fm(0, 0), "0,0")273}274func TestOutputFormatRangeFormatContext(t *testing.T) {275 // Per the diff spec at http://www.unix.org/single_unix_specification/276 //277 // The range of lines in file1 shall be written in the following format278 // if the range contains two or more lines:279 // "*** %d,%d ****\n", <beginning line number>, <ending line number>280 // and the following format otherwise:281 // "*** %d ****\n", <ending line number>282 // The ending line number of an empty range shall be the number of the preceding line,283 // or 0 if the range is at the start of the file.284 //285 // Next, the range of lines in file2 shall be written in the following format286 // if the range contains two or more lines:287 // "--- %d,%d ----\n", <beginning line number>, <ending line number>288 // and the following format otherwise:289 // "--- %d ----\n", <ending line number>290 fm := formatRangeContext291 assertEqual(t, fm(3, 3), "3")292 assertEqual(t, fm(3, 4), "4")293 assertEqual(t, fm(3, 5), "4,5")294 assertEqual(t, fm(3, 6), "4,6")295 assertEqual(t, fm(0, 0), "0")296}297func TestOutputFormatTabDelimiter(t *testing.T) {298 diff := UnifiedDiff{299 A: splitChars("one"),300 B: splitChars("two"),301 FromFile: "Original",302 FromDate: "2005-01-26 23:30:50",303 ToFile: "Current",304 ToDate: "2010-04-12 10:20:52",305 Eol: "\n",306 }307 ud, err := GetUnifiedDiffString(diff)308 assertEqual(t, err, nil)309 assertEqual(t, SplitLines(ud)[:2], []string{310 "--- Original\t2005-01-26 23:30:50\n",311 "+++ Current\t2010-04-12 10:20:52\n",312 })313 cd, err := GetContextDiffString(ContextDiff(diff))314 assertEqual(t, err, nil)315 assertEqual(t, SplitLines(cd)[:2], []string{316 "*** Original\t2005-01-26 23:30:50\n",317 "--- Current\t2010-04-12 10:20:52\n",318 })319}320func TestOutputFormatNoTrailingTabOnEmptyFiledate(t *testing.T) {321 diff := UnifiedDiff{322 A: splitChars("one"),323 B: splitChars("two"),324 FromFile: "Original",325 ToFile: "Current",326 Eol: "\n",327 }328 ud, err := GetUnifiedDiffString(diff)329 assertEqual(t, err, nil)330 assertEqual(t, SplitLines(ud)[:2], []string{"--- Original\n", "+++ Current\n"})331 cd, err := GetContextDiffString(ContextDiff(diff))332 assertEqual(t, err, nil)333 assertEqual(t, SplitLines(cd)[:2], []string{"*** Original\n", "--- Current\n"})334}335func TestOmitFilenames(t *testing.T) {336 diff := UnifiedDiff{337 A: SplitLines("o\nn\ne\n"),338 B: SplitLines("t\nw\no\n"),339 Eol: "\n",340 }341 ud, err := GetUnifiedDiffString(diff)342 assertEqual(t, err, nil)343 assertEqual(t, SplitLines(ud), []string{344 "@@ -0,0 +1,2 @@\n",345 "+t\n",346 "+w\n",347 "@@ -2,2 +3,0 @@\n",348 "-n\n",349 "-e\n",350 "\n",351 })352 cd, err := GetContextDiffString(ContextDiff(diff))353 assertEqual(t, err, nil)354 assertEqual(t, SplitLines(cd), []string{355 "***************\n",356 "*** 0 ****\n",357 "--- 1,2 ----\n",358 "+ t\n",359 "+ w\n",360 "***************\n",361 "*** 2,3 ****\n",362 "- n\n",363 "- e\n",364 "--- 3 ----\n",365 "\n",366 })367}368func TestSplitLines(t *testing.T) {369 allTests := []struct {370 input string371 want []string372 }{373 {"foo", []string{"foo\n"}},374 {"foo\nbar", []string{"foo\n", "bar\n"}},375 {"foo\nbar\n", []string{"foo\n", "bar\n", "\n"}},376 }377 for _, test := range allTests {378 assertEqual(t, SplitLines(test.input), test.want)379 }380}381func benchmarkSplitLines(b *testing.B, count int) {382 str := strings.Repeat("foo\n", count)383 b.ResetTimer()384 n := 0385 for i := 0; i < b.N; i++ {386 n += len(SplitLines(str))387 }388}389func BenchmarkSplitLines100(b *testing.B) {390 benchmarkSplitLines(b, 100)391}392func BenchmarkSplitLines10000(b *testing.B) {393 benchmarkSplitLines(b, 10000)394}...

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inline.php

Source:inline.php Github

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1<?php2/**3 * "Inline" diff renderer.4 *5 * Copyright 2004-2010 The Horde Project (http://www.horde.org/)6 *7 * See the enclosed file COPYING for license information (LGPL). If you did8 * not receive this file, see http://opensource.org/licenses/lgpl-license.php.9 *10 * @author Ciprian Popovici11 * @package Text_Diff12 */13/** Text_Diff_Renderer */14// WP #739115require_once dirname(dirname(__FILE__)) . '/Renderer.php';16/**17 * "Inline" diff renderer.18 *19 * This class renders diffs in the Wiki-style "inline" format.20 *21 * @author Ciprian Popovici22 * @package Text_Diff23 */24class Text_Diff_Renderer_inline extends Text_Diff_Renderer {25 /**26 * Number of leading context "lines" to preserve.27 *28 * @var integer29 */30 var $_leading_context_lines = 10000;31 /**32 * Number of trailing context "lines" to preserve.33 *34 * @var integer35 */36 var $_trailing_context_lines = 10000;37 /**38 * Prefix for inserted text.39 *40 * @var string41 */42 var $_ins_prefix = '<ins>';43 /**44 * Suffix for inserted text.45 *46 * @var string47 */48 var $_ins_suffix = '</ins>';49 /**50 * Prefix for deleted text.51 *52 * @var string53 */54 var $_del_prefix = '<del>';55 /**56 * Suffix for deleted text.57 *58 * @var string59 */60 var $_del_suffix = '</del>';61 /**62 * Header for each change block.63 *64 * @var string65 */66 var $_block_header = '';67 /**68 * Whether to split down to character-level.69 *70 * @var boolean71 */72 var $_split_characters = false;73 /**74 * What are we currently splitting on? Used to recurse to show word-level75 * or character-level changes.76 *77 * @var string78 */79 var $_split_level = 'lines';80 function _blockHeader($xbeg, $xlen, $ybeg, $ylen)81 {82 return $this->_block_header;83 }84 function _startBlock($header)85 {86 return $header;87 }88 function _lines($lines, $prefix = ' ', $encode = true)89 {90 if ($encode) {91 array_walk($lines, array(&$this, '_encode'));92 }93 if ($this->_split_level == 'lines') {94 return implode("\n", $lines) . "\n";95 } else {96 return implode('', $lines);97 }98 }99 function _added($lines)100 {101 array_walk($lines, array(&$this, '_encode'));102 $lines[0] = $this->_ins_prefix . $lines[0];103 $lines[count($lines) - 1] .= $this->_ins_suffix;104 return $this->_lines($lines, ' ', false);105 }106 function _deleted($lines, $words = false)107 {108 array_walk($lines, array(&$this, '_encode'));109 $lines[0] = $this->_del_prefix . $lines[0];110 $lines[count($lines) - 1] .= $this->_del_suffix;111 return $this->_lines($lines, ' ', false);112 }113 function _changed($orig, $final)114 {115 /* If we've already split on characters, just display. */116 if ($this->_split_level == 'characters') {117 return $this->_deleted($orig)118 . $this->_added($final);119 }120 /* If we've already split on words, just display. */121 if ($this->_split_level == 'words') {122 $prefix = '';123 while ($orig[0] !== false && $final[0] !== false &&124 substr($orig[0], 0, 1) == ' ' &&125 substr($final[0], 0, 1) == ' ') {126 $prefix .= substr($orig[0], 0, 1);127 $orig[0] = substr($orig[0], 1);128 $final[0] = substr($final[0], 1);129 }130 return $prefix . $this->_deleted($orig) . $this->_added($final);131 }132 $text1 = implode("\n", $orig);133 $text2 = implode("\n", $final);134 /* Non-printing newline marker. */135 $nl = "\0";136 if ($this->_split_characters) {137 $diff = new Text_Diff('native',138 array(preg_split('//', $text1),139 preg_split('//', $text2)));140 } else {141 /* We want to split on word boundaries, but we need to preserve142 * whitespace as well. Therefore we split on words, but include143 * all blocks of whitespace in the wordlist. */144 $diff = new Text_Diff('native',145 array($this->_splitOnWords($text1, $nl),146 $this->_splitOnWords($text2, $nl)));147 }148 /* Get the diff in inline format. */149 $renderer = new Text_Diff_Renderer_inline150 (array_merge($this->getParams(),151 array('split_level' => $this->_split_characters ? 'characters' : 'words')));152 /* Run the diff and get the output. */153 return str_replace($nl, "\n", $renderer->render($diff)) . "\n";154 }155 function _splitOnWords($string, $newlineEscape = "\n")156 {157 // Ignore \0; otherwise the while loop will never finish.158 $string = str_replace("\0", '', $string);159 $words = array();160 $length = strlen($string);161 $pos = 0;162 while ($pos < $length) {163 // Eat a word with any preceding whitespace.164 $spaces = strspn(substr($string, $pos), " \n");165 $nextpos = strcspn(substr($string, $pos + $spaces), " \n");166 $words[] = str_replace("\n", $newlineEscape, substr($string, $pos, $spaces + $nextpos));167 $pos += $spaces + $nextpos;168 }169 return $words;170 }171 function _encode(&$string)172 {173 $string = htmlspecialchars($string);174 }175}...

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Split

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1import (2func main() {3 fmt.Println(strings.Split("a,b,c", ","))4 fmt.Println(strings.Split("a man a plan a canal panama", "a "))5 fmt.Println(strings.Split(" xyz ", ""))6 fmt.Println(strings.Split("", "Bernardo O'Higgins"))7}8import (9func main() {10 fmt.Printf("Fields are: %q", strings.Fields(" foo bar baz "))11}12import (13func main() {14 fmt.Println(strings.SplitN("a,b,c", ",", 2))15}16import (17func main() {18 fmt.Println(strings.SplitAfter("a,b,c", ","))19}20import (21func main() {22 fmt.Println(strings.SplitAfterN("a,b,c", ",", 2))23}

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Split

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1import "fmt"2import "strings"3func main() {4 fmt.Println(strings.Split("a,b,c", ","))5 fmt.Println(strings.Split("a man a plan a canal panama", "a "))6 fmt.Println(strings.Split(" xyz ", ""))7 fmt.Println(strings.Split("", "Bernardo O'Higgins"))8}9import "fmt"10import "strings"11func main() {12 fmt.Println(strings.SplitN("a,b,c", ",", 2))13 fmt.Println(strings.SplitN("a man a plan a canal panama", "a ", 3))14 fmt.Println(strings.SplitN(" xyz ", "", 2))15 fmt.Println(strings.SplitN("", "Bernardo O'Higgins", 2))16}17import "fmt"18import "strings"19func main() {20 fmt.Println(strings.SplitAfter("a,b,c", ","))21 fmt.Println(strings.SplitAfter("a man a plan a canal panama", "a "))22 fmt.Println(strings.SplitAfter(" xyz ", ""))23 fmt.Println(strings.SplitAfter("", "Bernardo O'Higgins"))24}25import "fmt"26import "strings"27func main() {28 fmt.Println(strings.SplitAfterN("a,b,c", ",", 2))29 fmt.Println(strings.SplitAfterN("a man a plan a canal panama", "a ", 3))30 fmt.Println(strings.SplitAfterN(" xyz ", "", 2))31 fmt.Println(strings.SplitAfterN("", "Bernardo O'Higgins", 2))32}

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Split

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1import (2func main() {3 fmt.Println(strings.Split("a,b,c", ","))4 fmt.Println(strings.Split("a man a plan a canal panama", "a "))5 fmt.Println(strings.Split(" xyz ", ""))6 fmt.Println(strings.Split("", "Bernardo O'Higgins"))7}8import (9func main() {10 fmt.Println(strings.Join([]string{"a", "b", "c"}, ","))11}12import (13func main() {14 fmt.Println(strings.Index("chicken", "ken"))15 fmt.Println(strings.Index("chicken", "dmr"))16}17import (18func main() {19 fmt.Println("ba" + strings.Repeat("na", 2))20}21import (22func main() {23 fmt.Println(strings.Replace("oink oink oink", "k", "ky", 2))24 fmt.Println(strings.Replace("oink oink oink", "oink", "moo", -1))25}26import (27func main() {28 fmt.Println(strings.ToUpper("Gopher"))29 fmt.Println(strings.ToLower("Gopher"))30}31import (32func main() {33 fmt.Println(strings.ToUpper("Gopher"))34 fmt.Println(strings.ToLower("Gopher"))35}36import (37func main() {

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Split

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1import (2func main() {3 dirs := strings.Split(path, "/")4 for _, dir := range dirs {5 fmt.Println(dir)6 }7}

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Split

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1import (2func main() {3 fmt.Println(strings.Split(str1, ""))4 fmt.Println(strings.Split(str2, ""))5 fmt.Println(strings.Split(str3, ""))6}7Strings.Join() Method8Syntax: strings.Join(slice,sep)9import (10func main() {11 str1 := []string{"golang", "java", "python"}12 fmt.Println(strings.Join(str1, " "))13}14import (15func main() {16 str1 := []string{"golang", "java", "python"}17 fmt.Println(strings.Join(str1, ""))18}19Strings.Repeat() Method20Syntax: strings.Repeat(s,count)21import (22func main() {23 fmt.Println(strings.Repeat(str1, 3))24}25import (26func main() {27 fmt.Println(strings.Repeat(str1, 0))28}29Strings.Replace() Method

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Split

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1import (2func main() {3fmt.Println(strings.Split(str, ", "))4}5import (6func main() {7fmt.Println(strings.SplitAfter(str, ", "))8}9import (10func main() {11fmt.Println(strings.SplitN(str, ", ", 2))12}13import (14func main() {15fmt.Println(strings.SplitAfterN(str, ", ", 2))16}17import (18func main() {19str := []string{"Hello", "World!"}20fmt.Println(strings.Join(str, ", "))21}22import (23func main() {24fmt.Println(strings.Index(str, "World"))25}26import (27func main() {28fmt.Println(strings.LastIndex(str, "World"))29}30import (31func main() {32fmt.Println(strings.IndexAny(str, "Wor"))33}34import (35func main() {36fmt.Println(strings.LastIndexAny(str, "Wor"))37}

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Split

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1import "fmt"2import "strings"3func main() {4 str2 := strings.Split(str, ",")5 fmt.Println(str2)6}7import "fmt"8import "strings"9func main() {10 str := []string{"Hello", "World"}11 str2 := strings.Join(str, ",")12 fmt.Println(str2)13}14import "fmt"15import "strings"16func main() {17 str2 := strings.Contains(str, "Hello")18 fmt.Println(str2)19}20import "fmt"21import "strings"22func main() {23 str2 := strings.ContainsAny(str, "Hello")24 fmt.Println(str2)25}26import "fmt"27import "strings"28func main() {29 str2 := strings.ContainsRune(str, 72)30 fmt.Println(str2)31}

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Split

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1import (2func main() {3 slice := strings.Split(str, " ")4 fmt.Println(slice)5}6import (7func main() {8 slice := strings.Split(str, " ")9 fmt.Println(strings.Join(slice, " "))10}11import (12func main() {13 slice := strings.Replace(str, " ", " ", -1)14 fmt.Println(slice)15}16import (17func main() {18 slice := strings.ToLower(str)19 fmt.Println(slice)20}21import (22func main() {23 slice := strings.ToUpper(str)24 fmt.Println(slice)25}26import (27func main() {28 slice := strings.Trim(str, " ")29 fmt.Println(slice)30}31import (32func main() {33 slice := strings.TrimLeft(str, " ")34 fmt.Println(slice)35}

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Split

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1import (2func main() {3 words := strings.Split("Hello World", " ")4 fmt.Println(words)5}6import (7func main() {8 words := []string{"Hello", "World"}9 fmt.Println(strings.Join(words, " "))10}11import (12func main() {13 fmt.Println(strings.Contains("Hello World", "Hello"))14 fmt.Println(strings.Contains("Hello World", "hello"))15}16import (17func main() {18 fmt.Println(strings.Index("Hello World", "Hello"))19 fmt.Println(strings.Index("Hello World", "hello"))20}21import (22func main() {23 fmt.Println(strings.Count("Hello World", "l"))24}25import (26func main() {

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