1 | static final String[] DIGITS = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
|
2 | static final String[] TENS = {null, "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"};
|
3 | static final String[] TEENS = {"ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"};
|
4 | static final String[] MAGNITUDES = {"hundred", "thousand", "million", "point"};
|
5 | static final String[] ZERO = {"zero", "oh"};
|
6 | |
7 | static S parseEnglishNumbers(S input) {
|
8 | if (empty(input)) ret input; |
9 | input = trim(simpleSpaces(lower(input))); |
10 | String result = ""; |
11 | String[] decimal = input.split(MAGNITUDES[3]); |
12 | String[] millions = decimal[0].split(MAGNITUDES[2]); |
13 | |
14 | for (int i = 0; i < millions.length; i++) {
|
15 | String[] thousands = millions[i].split(MAGNITUDES[1]); |
16 | |
17 | for (int j = 0; j < thousands.length; j++) {
|
18 | int[] triplet = {0, 0, 0};
|
19 | StringTokenizer set = new StringTokenizer(thousands[j]); |
20 | |
21 | if (set.countTokens() == 1) { //If there is only one token given in triplet
|
22 | String uno = set.nextToken(); |
23 | triplet[0] = 0; |
24 | for (int k = 0; k < DIGITS.length; k++) {
|
25 | if (uno.equals(DIGITS[k])) {
|
26 | triplet[1] = 0; |
27 | triplet[2] = k + 1; |
28 | } |
29 | if (uno.equals(TENS[k])) {
|
30 | triplet[1] = k + 1; |
31 | triplet[2] = 0; |
32 | } |
33 | if (uno.equals(TEENS[k])) triplet[2] = k+10; |
34 | } |
35 | } |
36 | |
37 | |
38 | else if (set.countTokens() == 2) { //If there are two tokens given in triplet
|
39 | String uno = set.nextToken(); |
40 | String dos = set.nextToken(); |
41 | if (dos.equals(MAGNITUDES[0])) { //If one of the two tokens is "hundred"
|
42 | for (int k = 0; k < DIGITS.length; k++) {
|
43 | if (uno.equals(DIGITS[k])) {
|
44 | triplet[0] = k + 1; |
45 | triplet[1] = 0; |
46 | triplet[2] = 0; |
47 | } |
48 | } |
49 | } |
50 | else {
|
51 | triplet[0] = 0; |
52 | for (int k = 0; k < DIGITS.length; k++) {
|
53 | if (uno.equals(TENS[k])) {
|
54 | triplet[1] = k + 1; |
55 | } |
56 | if (dos.equals(DIGITS[k])) {
|
57 | triplet[2] = k + 1; |
58 | } |
59 | } |
60 | } |
61 | } |
62 | |
63 | else if (set.countTokens() == 3) { //If there are three tokens given in triplet
|
64 | String uno = set.nextToken(); |
65 | String dos = set.nextToken(); |
66 | String tres = set.nextToken(); |
67 | for (int k = 0; k < DIGITS.length; k++) {
|
68 | if (uno.equals(DIGITS[k])) {
|
69 | triplet[0] = k + 1; |
70 | } |
71 | if (tres.equals(DIGITS[k])) {
|
72 | triplet[1] = 0; |
73 | triplet[2] = k + 1; |
74 | } |
75 | if (tres.equals(TENS[k])) {
|
76 | triplet[1] = k + 1; |
77 | triplet[2] = 0; |
78 | } |
79 | } |
80 | } |
81 | |
82 | else if (set.countTokens() == 4) { //If there are four tokens given in triplet
|
83 | String uno = set.nextToken(); |
84 | String dos = set.nextToken(); |
85 | String tres = set.nextToken(); |
86 | String cuatro = set.nextToken(); |
87 | for (int k = 0; k < DIGITS.length; k++) {
|
88 | if (uno.equals(DIGITS[k])) {
|
89 | triplet[0] = k + 1; |
90 | } |
91 | if (cuatro.equals(DIGITS[k])) {
|
92 | triplet[2] = k + 1; |
93 | } |
94 | if (tres.equals(TENS[k])) {
|
95 | triplet[1] = k + 1; |
96 | } |
97 | } |
98 | } |
99 | else {
|
100 | triplet[0] = 0; |
101 | triplet[1] = 0; |
102 | triplet[2] = 0; |
103 | } |
104 | |
105 | result = result + Integer.toString(triplet[0]) + Integer.toString(triplet[1]) + Integer.toString(triplet[2]); |
106 | } |
107 | } |
108 | |
109 | if (decimal.length > 1) { //The number is a decimal
|
110 | StringTokenizer decimalDigits = new StringTokenizer(decimal[1]); |
111 | result = result + "."; |
112 | System.out.println(decimalDigits.countTokens() + " decimal digits"); |
113 | while (decimalDigits.hasMoreTokens()) {
|
114 | String w = decimalDigits.nextToken(); |
115 | System.out.println(w); |
116 | |
117 | if (w.equals(ZERO[0]) || w.equals(ZERO[1])) {
|
118 | result = result + "0"; |
119 | } |
120 | for (int j = 0; j < DIGITS.length; j++) {
|
121 | if (w.equals(DIGITS[j])) {
|
122 | result = result + Integer.toString(j + 1); |
123 | } |
124 | } |
125 | |
126 | } |
127 | } |
128 | |
129 | while (startsWith(result, "0") && !startsWith(result, "0.")) result = dropFirst(result); |
130 | ret result; |
131 | } |
From https://stackoverflow.com/questions/4062022/how-to-convert-words-to-a-number
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| Snippet ID: | #1013121 |
| Snippet name: | parseEnglishNumbers |
| Eternal ID of this version: | #1013121/6 |
| Text MD5: | 172463a74b7e68535a189b5b2a12e33b |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2019-03-21 00:54:06 |
| Source code size: | 4913 bytes / 131 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 404 / 489 |
| Version history: | 5 change(s) |
| Referenced in: | [show references] |