func find_keywords(dict darts.Darts, line string) map[string]int {
arr := []rune(strings.ToUpper(line))
result := make(map[string]int)
for i := 0; i < len(arr); i++ {
offset := i
c := arr[offset]
if unicode.IsSpace(c) || unicode.IsPunct(c) {
continue
}
for pos := 2; offset+pos < len(arr); pos++ {
c := arr[offset+pos-1]
if unicode.IsPunct(c) {
break
}
// log.Info(string(arr[offset : offset+pos]))
exist, results := dict.CommonPrefixSearch(arr[offset:offset+pos], 0)
if len(results) > 0 {
key := string(arr[offset : offset+pos])
result[key] = result[key] + 1
offset = offset + pos - 1
} else if !exist {
break
}
}
}
return result
}
func owp(dst io.Writer, src io.Reader) {
byte_in := func() byte {
bs := make([]byte, 1)
src.Read(bs)
return bs[0]
}
byte_out := func(b byte) { dst.Write([]byte{b}) }
odd := func() byte {
for {
b := byte_in()
if unicode.IsPunct(int(b)) {
return b
}
defer byte_out(b)
}
panic("impossible")
}
for {
for {
b := byte_in()
byte_out(b)
if b == '.' {
return
}
if unicode.IsPunct(rune(b)) {
break
}
}
b := odd()
byte_out(b)
if b == '.' {
return
}
}
}
func owp(dst io.Writer, src io.Reader) {
byte_in := func() byte {
bs := make([]byte, 1)
src.Read(bs)
return bs[0]
}
byte_out := func(b byte) { dst.Write([]byte{b}) }
var odd func() byte
odd = func() byte {
s := byte_in()
if unicode.IsPunct(rune(s)) {
return s
}
b := odd()
byte_out(s)
return b
}
for {
for {
b := byte_in()
byte_out(b)
if b == '.' {
return
}
if unicode.IsPunct(rune(b)) {
break
}
}
b := odd()
byte_out(b)
if b == '.' {
return
}
}
}
func DeEscapeProse(p md.Prose) md.Prose {
result := make(md.Prose, 0, len(p))
var buf []byte
runs:
for i := 0; i < len(p); i++ {
if buf == nil {
buf = p[i].Bytes
}
for j := 0; ; {
k := bytes.IndexByte(buf[j:], '\\')
if k == -1 {
result = append(result, md.Run{
Line: p[i].Line,
Bytes: buf,
})
buf = nil
continue runs
}
j += k
r, _ := utf8.DecodeRune(buf[j+1:])
if unicode.IsPunct(r) || unicode.IsSymbol(r) {
result = append(result, md.Run{
Line: p[i].Line,
Bytes: buf[:j],
})
buf = buf[j+1:]
i--
continue runs
}
j++
}
}
return result
}
// Escape escapes the given data to make sure it is safe to use it as a
// filename. It also replaces spaces and other seperation characters
// with the '-' character. It returns an error if the escaped string is
// empty.
func Escape(name string) (escaped string, err error) {
mfunc := func(r rune) rune {
switch {
case unicode.IsLetter(r):
return r
case unicode.IsNumber(r):
return r
case unicode.IsSpace(r):
return '-'
case unicode.IsPunct(r):
return '-'
}
return -1
}
escaped = strings.Map(mfunc, html.UnescapeString(name))
for strings.Contains(escaped, "--") {
escaped = strings.Replace(escaped, "--", "-", -1)
}
escaped = strings.TrimPrefix(escaped, "-")
escaped = strings.TrimSuffix(escaped, "-")
if len(escaped) <= 0 {
err = errors.New("couldn't escape title")
}
return
}
func splitText(t string) (ws []string) {
start := 0
inWord := false
for i, r := range t {
sep := unicode.IsPunct(r) || unicode.IsSpace(r)
if sep {
switch {
case r == '\'': // Accept things like "boy's"
case inWord:
ws = append(ws, t[start:i])
start = i + 1
inWord = false
default:
start += utf8.RuneLen(r)
}
}
inWord = !sep
}
if start < len(t) {
ws = append(ws, t[start:])
}
return
}
// IsSearchWordRune defines the runes that can be used in unquoted predicate arguments
// or unquoted literals. These are all unicode letters, digits and punctuation,
// execpt for ':', which is used for predicate marking, and '(', ')', which are used
// for predicate grouping.
func isSearchWordRune(r rune) bool {
switch r {
case ':', ')', '(':
return false
}
return unicode.IsLetter(r) || unicode.IsDigit(r) || unicode.IsPunct(r)
}
// CharCount scans a *bufio.Reader and returns a map of the counts of its
// Unicode character types.
func CharCount(in *bufio.Reader) map[string]int {
counts := make(map[string]int) // counts of Unicode character types
for {
r, n, err := in.ReadRune() // returns rune, nbytes, error
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
os.Exit(1)
}
switch {
case r == unicode.ReplacementChar && n == 1:
counts["invalid"]++
case unicode.IsControl(r):
counts["control"]++
case unicode.IsLetter(r):
counts["letter"]++
case unicode.IsMark(r):
counts["mark"]++
case unicode.IsNumber(r):
counts["number"]++
case unicode.IsPunct(r):
counts["punct"]++
case unicode.IsSpace(r):
counts["space"]++
case unicode.IsSymbol(r):
counts["symbol"]++
}
}
return counts
}
// MorseKeys translates an input string into a series of keys.
func MorseKeys(in string) ([]key, error) {
afterWord := false
afterChar := false
result := []key{}
for _, c := range in {
if unicode.IsSpace(c) {
afterWord = true
continue
}
morse, ok := runeToKeys[c]
if !ok {
return nil, fmt.Errorf("can't translate %c to morse", c)
}
if unicode.IsPunct(c) && afterChar {
result = append(result, punctGap...)
} else if afterWord {
result = append(result, wordGap...)
} else if afterChar {
result = append(result, charGap...)
}
result = append(result, morse...)
afterChar = true
afterWord = false
}
return result, nil
}
func main() {
counts := make(map[rune]int) // counts of Unicode characters
var utflen [utf8.UTFMax + 1]int // count of lengths of UTF-8 encodings
invalid := 0 // count of invalid UTF-8 characters
catCounts := make(map[string]int) // counts per Unicode category
unknown := 0 // count of characters of unknown category
in := bufio.NewReader(os.Stdin)
for {
r, n, err := in.ReadRune() // returns rune, nbytes, error
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
os.Exit(1)
}
if r == unicode.ReplacementChar && n == 1 {
invalid++
continue
}
counts[r]++
utflen[n]++
switch {
case unicode.IsLetter(r):
catCounts["Letter"]++
case unicode.IsDigit(r):
catCounts["Digit"]++
case unicode.IsSymbol(r):
catCounts["Symbol"]++
case unicode.IsPunct(r):
catCounts["Punct"]++
case unicode.IsSpace(r):
catCounts["Space"]++
default:
unknown++
}
}
fmt.Printf("rune\tcount\n")
for c, n := range counts {
fmt.Printf("%q\t%d\n", c, n)
}
fmt.Print("\nlen\tcount\n")
for i, n := range utflen {
if i > 0 {
fmt.Printf("%d\t%d\n", i, n)
}
}
if invalid > 0 {
fmt.Printf("\n%d invalid UTF-8 characters\n", invalid)
}
fmt.Print("\ncat\tcount\n")
for cat, n := range catCounts {
fmt.Printf("%s\t%d\n", cat, n)
}
if unknown > 0 {
fmt.Printf("\n%d characters of unknown category\n", unknown)
}
}
func TestRune_IsIndependent(t *testing.T) {
numbers := make([]rune, 0)
letters := make([]rune, 0)
marks := make([]rune, 0)
symbols := make([]rune, 0)
puncts := make([]rune, 0)
others := make([]rune, 0)
for _, r := range unicode.Myanmar.R16 {
for c := r.Lo; c <= r.Hi; c++ {
switch mr := rune(c); true {
case unicode.IsLetter(mr):
letters = append(letters, mr)
case unicode.IsNumber(mr):
numbers = append(numbers, mr)
case unicode.IsMark(mr):
marks = append(marks, mr)
case unicode.IsPunct(mr):
puncts = append(puncts, mr)
case unicode.IsSymbol(mr):
symbols = append(symbols, mr)
default:
others = append(others, mr)
}
}
}
independents := string(letters) + string(numbers) + string(puncts) + " \t\r\n"
for _, consonant := range independents {
if ok, _ := Rune(consonant).IsIndependent(); !ok {
t.Errorf("[%U] expected result is true, but it returns false", consonant)
}
}
}
// CharType returns a string representing the unicode type of a rune
func CharType(r rune) string {
switch {
case unicode.IsLetter(r):
return "letter"
case unicode.IsSpace(r):
return "space"
case unicode.IsPunct(r):
return "punct"
case unicode.IsNumber(r):
return "number"
case unicode.IsSymbol(r):
return "symbol"
case unicode.IsMark(r):
return "mark"
case unicode.IsDigit(r):
return "digit"
case unicode.IsPrint(r):
return "print"
case unicode.IsControl(r):
return "control"
case unicode.IsGraphic(r):
return "graphic"
default:
return "invalid"
}
}
// Stat calculates statistics for all runes read from r.
func (m *Main) Stat(r io.RuneReader) (Stats, error) {
var stats Stats
for {
// Read next character.
ch, sz, err := r.ReadRune()
if err == io.EOF {
break
} else if err != nil {
return stats, err
}
// Calculate stats.
stats.TotalN++
if unicode.IsControl(ch) {
stats.ControlN++
}
if unicode.IsDigit(ch) {
stats.DigitN++
}
if unicode.IsGraphic(ch) {
stats.GraphicN++
}
if unicode.IsLetter(ch) {
stats.LetterN++
}
if unicode.IsLower(ch) {
stats.LowerN++
}
if unicode.IsMark(ch) {
stats.MarkN++
}
if unicode.IsNumber(ch) {
stats.NumberN++
}
if unicode.IsPrint(ch) {
stats.PrintN++
}
if unicode.IsPunct(ch) {
stats.PunctN++
}
if unicode.IsSpace(ch) {
stats.SpaceN++
}
if unicode.IsSymbol(ch) {
stats.SymbolN++
}
if unicode.IsTitle(ch) {
stats.TitleN++
}
if unicode.IsUpper(ch) {
stats.UpperN++
}
if sz > 1 {
stats.MultiByteN++
}
}
return stats, nil
}
func incrementCount(r rune, counts map[int]int) {
switch {
case unicode.IsControl(r):
counts[isControl]++
case unicode.IsNumber(r):
counts[isNumber]++
case unicode.IsDigit(r):
counts[isDigit]++
case unicode.IsLetter(r):
counts[isLetter]++
case unicode.IsMark(r):
counts[isMark]++
case unicode.IsPunct(r):
counts[isPunct]++
case unicode.IsSpace(r):
counts[isSpace]++
case unicode.IsSymbol(r):
counts[isSymbol]++
case unicode.IsPrint(r):
counts[isPrint]++
case unicode.IsGraphic(r):
counts[isGraphic]++
}
}
func test_password(pass string) bool {
// Windows AD password needs at leat 7 characters password, and must contain characters from three of the following five categories:
// uppercase character
// lowercase character
// digit character
// nonalphanumeric characters
// any Unicode character that is categorized as an alphabetic character but is not uppercase or lowercase
if len(pass) < 7 {
return false
}
d := 0
l := 0
u := 0
p := 0
o := 0
for _, c := range pass {
if unicode.IsDigit(c) { // check digit character
d = 1
} else if unicode.IsLower(c) { // check lowercase character
l = 1
} else if unicode.IsUpper(c) { // check uppercase character
u = 1
} else if unicode.IsPunct(c) { // check nonalphanumeric character
p = 1
} else { // other unicode character
o = 1
}
}
if d+l+u+p+o < 3 {
return false
}
return true
}
func isLetter(ch rune) bool {
if ch == '(' || ch == ')' || ch == '\'' || ch == '"' {
return false
}
return unicode.IsLetter(ch) || unicode.IsPunct(ch) || unicode.IsSymbol(ch)
}
// synopsis extracts the first sentence from s. All runs of whitespace are
// replaced by a single space.
func synopsis(s string) string {
parts := strings.SplitN(s, "\n\n", 2)
s = parts[0]
var buf []byte
const (
other = iota
period
space
)
last := space
Loop:
for i := 0; i < len(s); i++ {
b := s[i]
switch b {
case ' ', '\t', '\r', '\n':
switch last {
case period:
break Loop
case other:
buf = append(buf, ' ')
last = space
}
case '.':
last = period
buf = append(buf, b)
default:
last = other
buf = append(buf, b)
}
}
// Ensure that synopsis fits an App Engine datastore text property.
const m = 400
if len(buf) > m {
buf = buf[:m]
if i := bytes.LastIndex(buf, []byte{' '}); i >= 0 {
buf = buf[:i]
}
buf = append(buf, " ..."...)
}
s = string(buf)
r, n := utf8.DecodeRuneInString(s)
if n < 0 || unicode.IsPunct(r) || unicode.IsSymbol(r) {
// ignore Markdown headings, editor settings, Go build constraints, and * in poorly formatted block comments.
s = ""
} else {
for _, prefix := range badSynopsisPrefixes {
if strings.HasPrefix(s, prefix) {
s = ""
break
}
}
}
return s
}
/*
* Password rules:
* at least 7 letters
* at least 1 number
* at least 1 upper case
* at least 1 special character
*/
func ValidatePassword(value, local string) error {
fmt.Println("Validate password", value)
if len(value) < 7 {
return errors.New(i18n.Translate(local, i18nSec, "text03"))
}
var num, lower, upper, spec bool
for _, r := range value {
switch {
case unicode.IsDigit(r):
num = true
case unicode.IsUpper(r):
upper = true
case unicode.IsLower(r):
lower = true
case unicode.IsSymbol(r), unicode.IsPunct(r):
spec = true
}
}
if num && lower && upper && spec {
return nil
}
return errors.New(i18n.Translate(local, i18nSec, "text03"))
}
func AllPunctOrSpace(s string) bool {
for _, u := range s {
if !unicode.IsPunct(u) && !unicode.IsSpace(u) {
return false
}
}
return true
}
func sanitize(s string) string {
buf := new(bytes.Buffer)
for _, rne := range s {
if !unicode.IsPunct(rne) {
buf.WriteRune(rne)
}
}
return buf.String()
}
func IsNumber(s string) bool {
for _, r := range s {
if unicode.IsNumber(r) || unicode.IsPunct(r) {
continue
}
return false
}
return true
}
func startPar(out io.Writer, indent0, indent string, max int) *parFmt {
rc := make(chan string)
ec := make(chan bool, 1)
wc := make(chan string)
pf := &parFmt{rc, ec}
go func() {
for s := range rc {
if s == "\n" {
wc <- s
continue
}
words := strings.Fields(strings.TrimSpace(s))
for _, w := range words {
wc <- w
}
}
close(wc)
}()
go func() {
pos, _ := fmt.Fprintf(out, "%s", indent0)
firstword := true
lastword := "x"
for w := range wc {
if len(w) == 0 {
continue
}
if w == "\n" {
fmt.Fprintf(out, "\n")
firstword = true
pos = 0
continue
}
if pos+len(w)+1 > max {
fmt.Fprintf(out, "\n")
pos, _ = fmt.Fprintf(out, "%s", indent)
firstword = true
}
if !firstword && len(w)>0 && !unicode.IsPunct(rune(w[0])) {
lastr := rune(lastword[len(lastword)-1])
if !strings.ContainsRune("([{", lastr) {
fmt.Fprintf(out, " ")
pos++
}
}
fmt.Fprintf(out, "%s", w)
pos += len(w)
firstword = false
lastword = w
}
if !firstword {
fmt.Fprintf(out, "\n")
}
close(ec)
}()
return pf
}
func Sanitize(r rune) rune {
switch {
case unicode.IsPunct(r):
return ' '
case unicode.IsMark(r):
return ' '
case unicode.IsSymbol(r):
return ' '
}
return r
}
func main() {
counts := make(map[string]int)
var utflen [utf8.UTFMax + 1]int
invalid := 0
in := bufio.NewReader(os.Stdin)
for {
r, n, err := in.ReadRune()
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
os.Exit(1)
}
if r == unicode.ReplacementChar && n == 1 {
invalid++
continue
}
utflen[n]++
switch {
case unicode.IsLetter(r):
counts["Letter"]++
case unicode.IsMark(r):
counts["Mark"]++
case unicode.IsNumber(r):
counts["Number"]++
case unicode.IsPunct(r):
counts["Punct"]++
case unicode.IsSymbol(r):
counts["Symbol"]++
case unicode.IsSpace(r):
counts["Space"]++
default:
counts["Other"]++
}
}
fmt.Printf("rune\tcount\n")
for c, n := range counts {
fmt.Printf("%s\t%d\n", c, n)
}
fmt.Print("\nlen\tcount\n")
for i, n := range utflen {
if i > 0 {
fmt.Printf("%d\t%d\n", i, n)
}
}
if invalid > 0 {
fmt.Printf("\n%d invalid UTF-8 characters\n", invalid)
}
}
func main() {
counts := make(map[rune]int) // counts of Unicode characters
var utflen [utf8.UTFMax]int // count of lengths of UTF-8 encodings
invalid := 0 // count of invalid UTF-8 characters
cats := make(map[string]int) // counts of Unicode categories
// In a terminal, use CTRL+Z at line start to signal EOF with ENTER.
in := bufio.NewReader(os.Stdin)
for {
r, n, err := in.ReadRune() // returns rune, nbytes, error
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
os.Exit(1)
}
if r == unicode.ReplacementChar && n == 1 {
invalid++
continue
}
switch {
case unicode.IsLetter(r):
cats["letter"]++
case unicode.IsDigit(r):
cats["digit"]++
case unicode.IsControl(r):
cats["control"]++
case unicode.IsMark(r):
cats["mark"]++
case unicode.IsPunct(r):
cats["punct"]++
case unicode.IsSymbol(r):
cats["symbol"]++
}
counts[r]++
utflen[n-1]++
}
fmt.Printf("rune\tcount\n")
for c, n := range counts {
fmt.Printf("%q\t%d\n", c, n)
}
fmt.Print("\nlen\tcount\n")
for i, n := range utflen {
fmt.Printf("%d\t%d\n", i+1, n)
}
fmt.Print("\ncat\tcount\n")
for s, n := range cats {
fmt.Printf("%v\t%d\n", s, n)
}
fmt.Printf("\n%d invalid UTF-8 characters\n", invalid)
}
func main() {
in := bufio.NewReader(os.Stdin)
counts := make(map[string]int) // counts of Unicode character types
var utflen [utf8.UTFMax + 1]int // count of lengths of UTF-8 encodings
invalid := 0 // count of invalid UTF-8 characters
for {
r, n, err := in.ReadRune() // returns rune, nbytes, error
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
os.Exit(1)
}
if r == unicode.ReplacementChar && n == 1 {
invalid++
continue
}
switch {
case unicode.IsControl(r):
counts["control"]++
case unicode.IsLetter(r):
counts["letter"]++
case unicode.IsMark(r):
counts["mark"]++
case unicode.IsNumber(r):
counts["number"]++
case unicode.IsPunct(r):
counts["punct"]++
case unicode.IsSpace(r):
counts["space"]++
case unicode.IsSymbol(r):
counts["symbol"]++
}
utflen[n]++
}
fmt.Printf("rune\tcount\n")
for c, n := range counts {
fmt.Printf("%q\t%d\n", c, n)
}
fmt.Print("\nlen\tcount\n")
for i, n := range utflen {
if i > 0 {
fmt.Printf("%d\t%d\n", i, n)
}
}
if invalid > 0 {
fmt.Printf("\n%d invalid UTF-8 characters\n", invalid)
}
}
// atTerminator reports whether the input is at valid termination character to
// appear after an identifier.
func (l *Scanner) atTerminator() bool {
r := l.peek()
if r == eof || isSpace(r) || isEndOfLine(r) || unicode.IsPunct(r) || unicode.IsSymbol(r) {
return true
}
// Does r start the delimiter? This can be ambiguous (with delim=="//", $x/2 will
// succeed but should fail) but only in extremely rare cases caused by willfully
// bad choice of delimiter.
if rd, _ := utf8.DecodeRuneInString(l.rightDelim); rd == r {
return true
}
return false
}
// Provide an integer score for delay-value of a word.
// A "word" gets a boost for:
// * Ending in punctuation marks.
// * Being longer than N letters
func delayPercent(word string) int {
wordScore := 0
rword := []rune(word)
clearword := make([]rune, 0, len(rword))
for _, r := range rword {
if unicode.IsLetter(r) || unicode.IsNumber(r) {
clearword = append(clearword, r)
}
}
if unicode.IsPunct(rword[len(rword)-1]) {
wordScore = wordScore + 2
}
if unicode.IsPunct([]rune(rword)[0]) {
wordScore = wordScore + 2
}
if len(clearword) > 8 {
wordScore = wordScore + 1
}
if len(clearword) > 12 {
wordScore = wordScore + 1
}
return 100 + (10 * wordScore)
}
func getIdent(r rune) int {
i, ok := Ident[r]
switch {
case ok:
return i
case unicode.IsNumber(r):
return CONST
case unicode.IsLetter(r) || unicode.IsPunct(r) || unicode.IsSymbol(r):
return RESERVED
case unicode.IsSpace(r):
return SPACE
}
return ZERO
}
// normalize does unicode normalization.
func normalize(in []byte) ([]byte, error) {
// We need a new transformer for each input as it cannot be reused.
filter := func(r rune) bool {
return unicode.Is(unicode.Mn, r) // Mn: nonspacing marks (to be removed)
}
transformer := transform.Chain(norm.NFD, transform.RemoveFunc(filter), norm.NFC)
out, _, err := transform.Bytes(transformer, in)
out = bytes.Map(func(r rune) rune {
if unicode.IsPunct(r) { // Replace punctuations with spaces.
return ' '
}
return unicode.ToLower(r) // Convert to lower case.
}, out)
return out, err
}