aaaa

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/profanity.iml" filepath="$PROJECT_DIR$/.idea/profanity.iml" />
+    </modules>
+  </component>
+</project>

.idea/profanity.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

Makefile

@@ -0,0 +1,3 @@
+
+run:
+	go run ./cmd/example

cmd/example/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"log"
+	"os"
+	"profanity"
+)
+
+func main() {
+	filter := profanity.New()
+	filter.MustAddFile(os.Open("./data/wordlist.txt"))
+	bad, curse, _ := filter.FilterWord("ꜰuck")
+	log.Println(bad, curse)
+	bad, curse, _ = filter.FilterWord("not a bad word")
+	log.Println(bad, curse)
+}

common/common.go

@@ -0,0 +1,20 @@
+package common
+
+type TransformFunc func(string) []string
+
+func FlattenTransformFunc(tx []TransformFunc) TransformFunc {
+	return func(s string) []string {
+		out := make([]string, len(tx)^2)
+		for _, t := range tx {
+			ans := t(s)
+			for _, t2 := range tx {
+				for _, v := range ans {
+					out = append(out, t2(v)...)
+				}
+			}
+
+			out = append(out, ans...)
+		}
+		return out
+	}
+}

common/decanter/decanter.go

@@ -0,0 +1,86 @@
+package decanter
+
+import "strings"
+
+type Decanter map[rune]byte
+
+const abcs = "abcdefghijklmnopqrstuvwxyz"
+
+func New() Decanter {
+	out := Decanter(map[rune]byte{})
+	return out
+}
+
+func (D Decanter) AddAlphabets(as []string) Decanter {
+	for _, a := range as {
+		D.AddAlphabet(a)
+	}
+	return D
+}
+func (D Decanter) AddAlphabet(a string) {
+	idx := 0
+	for _, r := range a {
+		if r != '_' && r != rune(abcs[idx]) {
+			D[r] = abcs[idx]
+		}
+		idx = idx + 1
+		if idx > 25 {
+			break
+		}
+	}
+}
+func (D Decanter) AddLetter(b byte, r rune) {
+	D[r] = b
+}
+
+func (D Decanter) AddLetters(b byte, rs []rune) {
+	for _, r := range rs {
+		D[r] = b
+	}
+}
+
+func (D Decanter) DecantTransform(s string) []string {
+	forms := []string{
+		D.DecantString(s),
+		D.DecantStringStrip(s, ' '),
+		D.DecantStringNoRepeat(s),
+	}
+	return forms
+}
+
+func (D Decanter) Decant(r rune) rune {
+	if _, ok := D[r]; ok {
+		return rune(D[r])
+	}
+	return r
+}
+
+func (D Decanter) DecantString(s string) string {
+	b := new(strings.Builder)
+	for _, v := range s {
+		b.WriteRune(D.Decant(v))
+	}
+	return b.String()
+}
+
+func (D Decanter) DecantStringStrip(s string, strip rune) string {
+	b := new(strings.Builder)
+	for _, v := range s {
+		if v != strip {
+			b.WriteRune(D.Decant(v))
+		}
+	}
+	return b.String()
+}
+
+func (D Decanter) DecantStringNoRepeat(s string) string {
+	b := new(strings.Builder)
+	last := ' '
+	for _, v := range s {
+		if v != last {
+			b.WriteRune(D.Decant(v))
+		}
+		v = last
+	}
+	return b.String()
+}

common/decanter/decanter_test.go

@@ -0,0 +1,84 @@
+package decanter
+
+import (
+	"testing"
+)
+
+var dec = NewDefaultDecanter()
+
+func TestDecantCharacters(t *testing.T) {
+	for _, a := range alphabets {
+		idx := 0
+		for _, r := range a {
+			if rune(abcs[idx]) != dec.Decant(r) {
+				t.Fatalf("%s, expected %v to be %v for %v", a, string(dec.Decant(r)), string(abcs[idx]), string(r))
+			}
+			idx = idx + 1
+		}
+	}
+}
+
+func TestDecantStrings(t *testing.T) {
+	cases := [][2]string{
+		{"my dog is dead", "my dog is dead"},
+		{"4wesome", "awesome"},
+		{"ｅnything wrong?", "enything wrong?"},
+		{"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ", "abcdefghijklmnopqrstuvwxyz"},
+		{"道家", "道家"},
+	}
+	for _, c := range cases {
+		if dec.DecantString(c[0]) != c[1] {
+			t.Fatalf("expected %v to be %v", dec.DecantString(c[0]), c[1])
+		}
+	}
+}
+
+func BenchmarkDecantStrings(b *testing.B) {
+	cases := [][2]string{
+		{"my dog is dead", "my dog is dead"},
+		{"4wesome", "awesome"},
+		{"ｅnything wrong?", "enything wrong?"},
+		{"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ", "abcdefghijklmnopqrstuvwxyz"},
+		{"道家", "道家"},
+	}
+	for i := 0; i < b.N; i++ {
+		for _, c := range cases {
+			dec.DecantString(c[0])
+		}
+	}
+}
+
+var alphabets = []string{
+	"4bcd3f9hijk|mn0pqr5tuvwxyz",
+	"𝔞𝔟𝔠𝔡𝔢𝔣𝔤𝔥𝔦𝔧𝔨𝔩𝔪𝔫𝔬𝔭𝔮𝔯𝔰𝔱𝔲𝔳𝔴𝔵𝔶𝔷",
+	"𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖜𝖝𝖞𝖟",
+	"Ã𝓑ｃ𝔻𝐞𝐅𝓖ђƗĴ𝓚𝓛мŇ𝔬𝕡Ⓠ𝓇𝕊𝕥Ⓤ𝐯𝐰א¥𝓏",
+	"𝓪𝓫𝓬𝓭𝓮𝓯𝓰𝓱𝓲𝓳𝓴𝓵𝓶𝓷𝓸𝓹𝓺𝓻𝓼𝓽𝓾𝓿𝔀𝔁𝔂𝔃",
+	"𝒶𝒷𝒸𝒹𝑒𝒻𝑔𝒽𝒾𝒿𝓀𝓁𝓂𝓃𝑜𝓅𝓆𝓇𝓈𝓉𝓊𝓋𝓌𝓍𝓎𝓏",
+	"𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫",
+	"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ",
+	"ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘQʀꜱᴛᴜᴠᴡxʏᴢ",
+	"ₐbcdₑfgₕᵢⱼₖₗₘₙₒₚqᵣₛₜᵤᵥwₓyz",
+	"ᵃᵇᶜᵈᵉᶠᵍʰⁱʲᵏˡᵐⁿᵒᵖqʳˢᵗᵘᵛʷˣʸᶻ",
+	"𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳",
+	"𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇",
+	"𝘢𝘣𝘤𝘥𝘦𝘧𝘨𝘩𝘪𝘫𝘬𝘭𝘮𝘯𝘰𝘱𝘲𝘳𝘴𝘵𝘶𝘷𝘸𝘹𝘺𝘻",
+	"𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯",
+	"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ",
+	"𝚊𝚋𝚌𝚍𝚎𝚏𝚐𝚑𝚒𝚓𝚔𝚕𝚖𝚗𝚘𝚙𝚚𝚛𝚜𝚝𝚞𝚟𝚠𝚡𝚢𝚣",
+	"𝔄𝔅ℭ𝔇𝔈𝔉𝔊ℌℑ𝔍𝔎𝔏𝔐𝔑𝔒𝔓𝔔ℜ𝔖𝔗𝔘𝔙𝔚𝔛𝔜ℨ",
+	"𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅",
+	"𝓐𝓑𝓒𝓓𝓔𝓕𝓖𝓗𝓘𝓙𝓚𝓛𝓜𝓝𝓞𝓟𝓠𝓡𝓢𝓣𝓤𝓥𝓦𝓧𝓨𝓩",
+	"𝒜𝐵𝒞𝒟𝐸𝐹𝒢𝐻𝐼𝒥𝒦𝐿𝑀𝒩𝒪𝒫𝒬𝑅𝒮𝒯𝒰𝒱𝒲𝒳𝒴𝒵",
+	"𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ",
+	"ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ",
+	"𝙰𝙱𝙲𝙳𝙴𝙵𝙶𝙷𝙸𝙹𝙺𝙻𝙼𝙽𝙾𝙿𝚀𝚁𝚂𝚃𝚄𝚅𝚆𝚇𝚈𝚉",
+	"ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘQʀꜱᴛᴜᴠᴡxʏᴢ",
+	"∀ᙠƆᗡƎℲ⅁HIſ⋊˥WNOԀΌᴚS⊥∩ΛMX⅄Z",
+	"🄰🄱🄲🄳🄴🄵🄶🄷🄸🄹🄺🄻🄼🄽🄾🄿🅀🅁🅂🅃🅄🅅🅆🅇🅈🅉",
+	"ᴬᴮᶜᴰᴱᶠᴳᴴᴵᴶᴷᴸᴹᴺᴼᴾQᴿˢᵀᵁⱽᵂˣʸᶻ",
+	"𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙",
+	"𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭",
+	"𝘈𝘉𝘊𝘋𝘌𝘍𝘎𝘏𝘐𝘑𝘒𝘓𝘔𝘕𝘖𝘗𝘘𝘙𝘚𝘛𝘜𝘝𝘞𝘟𝘠𝘡",
+	"𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕",
+}

common/decanter/default.go

@@ -0,0 +1,42 @@
+package decanter
+
+func NewDefaultDecanter() Decanter {
+	dec := New()
+	dec.AddAlphabets([]string{
+		"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+		"@bcd3f9hijk|mn0pqr5tuvwxyz",
+		"4bcd3f9hijk|mn0pqr5tuvwxyz",
+		"𝔞𝔟𝔠𝔡𝔢𝔣𝔤𝔥𝔦𝔧𝔨𝔩𝔪𝔫𝔬𝔭𝔮𝔯𝔰𝔱𝔲𝔳𝔴𝔵𝔶𝔷",
+		"𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖜𝖝𝖞𝖟",
+		"Ã𝓑ｃ𝔻𝐞𝐅𝓖ђƗĴ𝓚𝓛мŇ𝔬𝕡Ⓠ𝓇𝕊𝕥Ⓤ𝐯𝐰א¥𝓏",
+		"𝓪𝓫𝓬𝓭𝓮𝓯𝓰𝓱𝓲𝓳𝓴𝓵𝓶𝓷𝓸𝓹𝓺𝓻𝓼𝓽𝓾𝓿𝔀𝔁𝔂𝔃",
+		"𝒶𝒷𝒸𝒹𝑒𝒻𝑔𝒽𝒾𝒿𝓀𝓁𝓂𝓃𝑜𝓅𝓆𝓇𝓈𝓉𝓊𝓋𝓌𝓍𝓎𝓏",
+		"𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫",
+		"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ",
+		"ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘQʀꜱᴛᴜᴠᴡxʏᴢ",
+		"ₐbcdₑfgₕᵢⱼₖₗₘₙₒₚqᵣₛₜᵤᵥwₓyz",
+		"ᵃᵇᶜᵈᵉᶠᵍʰⁱʲᵏˡᵐⁿᵒᵖqʳˢᵗᵘᵛʷˣʸᶻ",
+		"𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳",
+		"𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇",
+		"𝘢𝘣𝘤𝘥𝘦𝘧𝘨𝘩𝘪𝘫𝘬𝘭𝘮𝘯𝘰𝘱𝘲𝘳𝘴𝘵𝘶𝘷𝘸𝘹𝘺𝘻",
+		"𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯",
+		"ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ",
+		"𝚊𝚋𝚌𝚍𝚎𝚏𝚐𝚑𝚒𝚓𝚔𝚕𝚖𝚗𝚘𝚙𝚚𝚛𝚜𝚝𝚞𝚟𝚠𝚡𝚢𝚣",
+		"𝔄𝔅ℭ𝔇𝔈𝔉𝔊ℌℑ𝔍𝔎𝔏𝔐𝔑𝔒𝔓𝔔ℜ𝔖𝔗𝔘𝔙𝔚𝔛𝔜ℨ",
+		"𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅",
+		"𝓐𝓑𝓒𝓓𝓔𝓕𝓖𝓗𝓘𝓙𝓚𝓛𝓜𝓝𝓞𝓟𝓠𝓡𝓢𝓣𝓤𝓥𝓦𝓧𝓨𝓩",
+		"𝒜𝐵𝒞𝒟𝐸𝐹𝒢𝐻𝐼𝒥𝒦𝐿𝑀𝒩𝒪𝒫𝒬𝑅𝒮𝒯𝒰𝒱𝒲𝒳𝒴𝒵",
+		"𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ",
+		"ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ",
+		"𝙰𝙱𝙲𝙳𝙴𝙵𝙶𝙷𝙸𝙹𝙺𝙻𝙼𝙽𝙾𝙿𝚀𝚁𝚂𝚃𝚄𝚅𝚆𝚇𝚈𝚉",
+		"ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘQʀꜱᴛᴜᴠᴡxʏᴢ",
+		"🄰🄱🄲🄳🄴🄵🄶🄷🄸🄹🄺🄻🄼🄽🄾🄿🅀🅁🅂🅃🅄🅅🅆🅇🅈🅉",
+		"∀ᙠƆᗡƎℲ⅁HIſ⋊˥WNOԀΌᴚS⊥∩ΛMX⅄Z",
+		"ᴬᴮᶜᴰᴱᶠᴳᴴᴵᴶᴷᴸᴹᴺᴼᴾQᴿˢᵀᵁⱽᵂˣʸᶻ",
+		"𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙",
+		"𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭",
+		"𝘈𝘉𝘊𝘋𝘌𝘍𝘎𝘏𝘐𝘑𝘒𝘓𝘔𝘕𝘖𝘗𝘘𝘙𝘚𝘛𝘜𝘝𝘞𝘟𝘠𝘡",
+		"𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕",
+	})
+	return dec
+}

data/wordlist.txt

@@ -0,0 +1,317 @@
+2g1c
+2 girls 1 cup
+anal
+anus
+arse
+ass
+asshole
+arsehole
+asswhole
+assmunch
+auto erotic
+autoerotic
+ballsack
+bastard
+beastial
+bellend
+bdsm
+bestiality
+bitch
+bitches
+bitchin
+bitching
+bimbo
+bimbos
+blow job
+blowjob
+blowjobs
+blue waffle
+boob
+boobs
+booobs
+boooobs
+booooobs
+booooooobs
+breasts
+booty call
+brown shower
+brown showers
+boner
+bondage
+buceta
+bukake
+bukkake
+bullshit
+bull shit
+busty
+butthole
+carpet muncher
+cawk
+chink
+cipa
+clit
+clits
+clitoris
+cnut
+cock
+cocks
+cockface
+cockhead
+cockmunch
+cockmuncher
+cocksuck
+cocksucked
+cocksucking
+cocksucks
+cocksucker
+cokmuncher
+coon
+cow girl
+cow girls
+cowgirl
+cowgirls
+crap
+crotch
+cum
+cummer
+cumming
+cuming
+cums
+cumshot
+cunilingus
+cunillingus
+cunnilingus
+cunt
+cuntlicker
+cuntlicking
+cunts
+damn
+dick
+dickhead
+dildo
+dildos
+dink
+dinks
+deepthroat
+deep throat
+dog style
+doggie style
+doggiestyle
+doggy style
+doggystyle
+donkeyribber
+doosh
+douche
+duche
+dyke
+ejaculate
+ejaculated
+ejaculates
+ejaculating
+ejaculatings
+ejaculation
+ejakulate
+erotic
+erotism
+fag
+faggot
+fagging
+faggit
+faggitt
+faggs
+fagot
+fagots
+fags
+fatass
+femdom
+fingering
+footjob
+foot job
+fuck
+fucks
+fucker
+fuckers
+fucked
+fuckhead
+fuckheads
+fuckin
+fucking
+fcuk
+fcuker
+fcuking
+felching
+fellate
+fellatio
+fingerfuck
+fingerfucked
+fingerfucker
+fingerfuckers
+fingerfucking
+fingerfucks
+fistfuck
+fistfucked
+fistfucker
+fistfuckers
+fistfucking
+fistfuckings
+fistfucks
+flange
+fook
+fooker
+fucka
+fuk
+fuks
+fuker
+fukker
+fukkin
+fukking
+futanari
+futanary
+gangbang
+gangbanged
+gang bang
+gokkun
+golden shower
+goldenshower
+gay
+gaylord
+gaysex
+goatse
+handjob
+hand job
+hentai
+hooker
+hoer
+homo
+horny
+incest
+jackoff
+jack off
+jerkoff
+jerk off
+jizz
+knob
+kinbaku
+labia
+lesbian
+masturbate
+masochist
+mofo
+mothafuck
+motherfuck
+motherfucker
+mothafucka
+mothafuckas
+mothafuckaz
+mothafucked
+mothafucker
+mothafuckers
+mothafuckin
+mothafucking
+mothafuckings
+mothafucks
+mother fucker
+motherfucked
+motherfucker
+motherfuckers
+motherfuckin
+motherfucking
+motherfuckings
+motherfuckka
+motherfucks
+milf
+muff
+nigga
+nigger
+nigg
+nipple
+nipples
+nob
+nob jokey
+nobhead
+nobjocky
+nobjokey
+numbnuts
+nutsack
+nude
+nudes
+orgy
+orgasm
+orgasms
+panty
+panties
+penis
+playboy
+porn
+porno
+pornography
+pron
+pussy
+pussies
+rape
+raping
+rapist
+rectum
+retard
+rimming
+sadist
+sadism
+schlong
+scrotum
+sex
+semen
+shemale
+she male
+shibari
+shibary
+shit
+shitdick
+shitfuck
+shitfull
+shithead
+shiting
+shitings
+shits
+shitted
+shitters
+shitting
+shittings
+shitty
+shota
+skank
+slut
+sluts
+smut
+smegma
+spunk
+strip club
+stripclub
+tit
+tits
+titties
+titty
+titfuck
+tittiefucker
+titties
+tittyfuck
+tittywank
+titwank
+threesome
+three some
+throating
+twat
+twathead
+twatty
+twunt
+viagra
+vagina
+vulva
+wank
+wanker
+wanky
+whore
+whoar
+xxx
+xx
+yaoi
+yury

go.mod

@@ -0,0 +1,3 @@
+module profanity
+
+go 1.17

profanity.go

@@ -0,0 +1,110 @@
+package profanity
+
+import (
+	"bufio"
+	"os"
+	"profanity/common"
+	"profanity/common/decanter"
+	"strings"
+)
+
+type Filter struct {
+	words    map[string]string
+	Decanter decanter.Decanter
+
+	transforms []common.TransformFunc
+}
+
+func New() *Filter {
+	dec := decanter.NewDefaultDecanter()
+	return &Filter{
+		words:      make(map[string]string, 3000),
+		Decanter:   dec,
+		transforms: []common.TransformFunc{dec.DecantTransform},
+	}
+}
+
+//FilterWord
+//curse is "" if bad == false, else curse is populated with the match
+func (F *Filter) FilterWord(s string) (bad bool, curse string, form string) {
+	forms := common.FlattenTransformFunc(F.transforms)(s)
+	for _, form := range forms {
+		if curse, ok := F.words[form]; ok {
+			return true, curse, form
+		}
+		for _, v := range F.words {
+			if strings.Contains(form, v) {
+				return true, curse, form
+			}
+		}
+	}
+	return false, "", ""
+}
+
+func (F *Filter) CensorSentence(s string, replacer string) (censored string) {
+	return F.CensorSentenceN(s, replacer, 0)
+}
+
+func (F *Filter) CensorSentenceMany(s string, replacer string, widths ...uint8) (censored string) {
+	sentence := s
+	for _, width := range widths {
+		sentence = F.CensorSentenceN(sentence, replacer, width)
+	}
+	return sentence
+}
+
+func (F *Filter) CensorSentenceToN(s string, replacer string, maxwidth uint8) (censored string) {
+	sentence := s
+	for width := uint8(0); width < maxwidth; width++ {
+		sentence = F.CensorSentenceN(sentence, replacer, width)
+	}
+	return sentence
+}
+
+func (F *Filter) CensorSentenceN(s string, replacer string, width uint8) (censored string) {
+	sep := " "
+	sb := new(strings.Builder)
+	words := strings.Split(s, sep)
+	for idx := 0; idx < len(words); idx++ {
+		original := words[idx]
+		word := words[idx]
+		for i := 1; i <= int(width); i++ {
+			if len(words) > (idx + i) {
+				word = word + " " + words[idx+i]
+			}
+		}
+		if bad, _, form := F.FilterWord(word); bad {
+			idx = idx + int(width)
+			sb.WriteString(strings.Repeat(replacer, len(form)))
+		} else {
+			sb.WriteString(original)
+		}
+		sb.WriteString(sep)
+	}
+	return strings.TrimSpace(sb.String())
+}
+
+func (F *Filter) MustAddFile(file *os.File, err error) {
+	if err != nil {
+		panic(err)
+	}
+	F.AddFile(file)
+}
+
+func (F *Filter) AddFile(file *os.File) {
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		txt := scanner.Text()
+		F.AddWord(txt)
+	}
+}
+
+func (F *Filter) AddWords(wx []string) {
+	for _, w := range wx {
+		F.AddWord(w)
+	}
+}
+
+func (F *Filter) AddWord(w string) {
+	F.words[w] = w
+}

profanity_test.go

@@ -0,0 +1,28 @@
+package profanity
+
+import (
+	"os"
+	"testing"
+)
+
+func init() {
+}
+
+func TestWordFilter(t *testing.T) {
+
+	filter := New()
+	filter.MustAddFile(os.Open("./data/wordlist.txt"))
+	cases := [][2]string{
+		{
+			"That wh0re gave m3 a very good H@nD j0b.",
+			"That ***** gave m3 a very good *********",
+		},
+	}
+	for _, tc := range cases {
+		filtered := filter.CensorSentenceToN(tc[0], "*", 6)
+		if filtered != tc[1] {
+			t.Errorf("expected '%s' to be '%s'", filtered, tc[1])
+		}
+	}
+
+}