apg-go/spelling/spelling.go

140 lines
3 KiB
Go

package spelling
import (
"fmt"
"github.com/wneessen/apg-go/chars"
"strings"
)
var (
symbNumNames = map[byte]string{
'1': "ONE",
'2': "TWO",
'3': "THREE",
'4': "FOUR",
'5': "FIVE",
'6': "SIX",
'7': "SEVEN",
'8': "EIGHT",
'9': "NINE",
'0': "ZERO",
33: "EXCLAMATION_POINT",
34: "QUOTATION_MARK",
35: "CROSSHATCH",
36: "DOLLAR_SIGN",
37: "PERCENT_SIGN",
38: "AMPERSAND",
39: "APOSTROPHE",
40: "LEFT_PARENTHESIS",
41: "RIGHT_PARENTHESIS",
42: "ASTERISK",
43: "PLUS_SIGN",
44: "COMMA",
45: "HYPHEN",
46: "PERIOD",
47: "SLASH",
58: "COLON",
59: "SEMICOLON",
60: "LESS_THAN",
61: "EQUAL_SIGN",
62: "GREATER_THAN",
63: "QUESTION_MARK",
64: "AT_SIGN",
91: "LEFT_BRACKET",
92: "BACKSLASH",
93: "RIGHT_BRACKET",
94: "CIRCUMFLEX",
95: "UNDERSCORE",
96: "GRAVE",
123: "LEFT_BRACE",
124: "VERTICAL_BAR",
125: "RIGHT_BRACE",
126: "TILDE",
}
alphabetNames = map[byte]string{
'A': "Alfa",
'B': "Bravo",
'C': "Charlie",
'D': "Delta",
'E': "Echo",
'F': "Foxtrot",
'G': "Golf",
'H': "Hotel",
'I': "India",
'J': "Juliett",
'K': "Kilo",
'L': "Lima",
'M': "Mike",
'N': "November",
'O': "Oscar",
'P': "Papa",
'Q': "Quebec",
'R': "Romeo",
'S': "Sierra",
'T': "Tango",
'U': "Uniform",
'V': "Victor",
'W': "Whiskey",
'X': "X_ray",
'Y': "Yankee",
'Z': "Zulu",
}
)
// String returns an english spelled version of the given string
func String(pwString string) (string, error) {
var returnString []string
for _, curChar := range pwString {
curSpellString, err := ConvertCharToName(byte(curChar))
if err != nil {
return "", err
}
returnString = append(returnString, curSpellString)
}
return strings.Join(returnString, "/"), nil
}
// Koremutake returns the spelling of the Koremutake password with numbers and special
// chars spelled out in english language
func Koremutake(sylList []string) (string, error) {
var returnString []string
for _, curSyl := range sylList {
isKore := false
for _, x := range chars.KoremutakeSyllables {
if x == strings.ToLower(curSyl) {
isKore = true
}
}
if isKore {
returnString = append(returnString, curSyl)
continue
}
curSpellString, err := ConvertCharToName(curSyl[0])
if err != nil {
return "", err
}
returnString = append(returnString, curSpellString)
}
return strings.Join(returnString, "-"), nil
}
// ConvertCharToName converts a given ascii byte into the corresponding english spelled
// name
func ConvertCharToName(charByte byte) (string, error) {
var returnString string
if charByte > 64 && charByte < 91 {
returnString = alphabetNames[charByte]
} else if charByte > 96 && charByte < 123 {
returnString = strings.ToLower(alphabetNames[charByte-32])
} else {
returnString = symbNumNames[charByte]
}
if returnString == "" {
err := fmt.Errorf("cannot convert to character to name: %q is an unknown character", charByte)
return "", err
}
return returnString, nil
}