flopp /
FloppsMap
| Total Complexity | 13 |
| Complexity/F | 6.5 |
| Lines of Code | 42 |
| Function Count | 2 |
| Duplicated Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | /*jslint |
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| 5 | function id2alpha(id) { |
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| 6 | 'use strict'; |
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| 7 | |||
| 8 | if (id >= 0 && id < 26) { |
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| 9 | return String.fromCharCode('A'.charCodeAt() + (id % 26)); |
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| 10 | } |
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| 11 | if (id >= 26 && id < 260) { |
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| 12 | return String.fromCharCode('A'.charCodeAt() + (id % 26)) + |
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| 13 | String.fromCharCode('0'.charCodeAt() + (id / 26)); |
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| 14 | } |
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| 15 | |||
| 16 | return ""; |
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| 17 | } |
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| 18 | |||
| 19 | |||
| 20 | function alpha2id(alpha) { |
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| 21 | 'use strict'; |
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| 22 | |||
| 23 | if (alpha.length < 1 || alpha.length > 2) { |
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| 24 | return -1; |
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| 25 | } |
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| 26 | |||
| 27 | alpha = alpha.toLowerCase(); |
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| 28 | var letter = 0, |
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| 29 | number = 0; |
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| 30 | |||
| 31 | if (alpha[0] >= 'a' && alpha[0] <= 'z') { |
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| 32 | letter = alpha.charCodeAt(0) - 'a'.charCodeAt(0); |
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| 33 | } else { |
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| 34 | return -1; |
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| 35 | } |
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| 36 | |||
| 37 | if (alpha.length === 2) { |
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| 38 | if (alpha[1] >= '0' && alpha[1] <= '9') { |
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| 39 | number = alpha.charCodeAt(1) - '0'.charCodeAt(0); |
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| 40 | } else { |
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| 41 | return -1; |
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| 42 | } |
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| 43 | } |
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| 44 | |||
| 45 | return number * 26 + letter; |
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| 46 | } |
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| 47 |
