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50 lines
1.6 KiB
50 lines
1.6 KiB
3 years ago
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const types = require('./types');
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const INTS = () => [{ type: types.RANGE , from: 48, to: 57 }];
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const WORDS = () => {
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return [
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{ type: types.CHAR, value: 95 },
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{ type: types.RANGE, from: 97, to: 122 },
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{ type: types.RANGE, from: 65, to: 90 }
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].concat(INTS());
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};
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const WHITESPACE = () => {
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return [
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{ type: types.CHAR, value: 9 },
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{ type: types.CHAR, value: 10 },
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{ type: types.CHAR, value: 11 },
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{ type: types.CHAR, value: 12 },
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{ type: types.CHAR, value: 13 },
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{ type: types.CHAR, value: 32 },
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{ type: types.CHAR, value: 160 },
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{ type: types.CHAR, value: 5760 },
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{ type: types.RANGE, from: 8192, to: 8202 },
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{ type: types.CHAR, value: 8232 },
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{ type: types.CHAR, value: 8233 },
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{ type: types.CHAR, value: 8239 },
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{ type: types.CHAR, value: 8287 },
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{ type: types.CHAR, value: 12288 },
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{ type: types.CHAR, value: 65279 }
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];
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};
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const NOTANYCHAR = () => {
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return [
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{ type: types.CHAR, value: 10 },
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{ type: types.CHAR, value: 13 },
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{ type: types.CHAR, value: 8232 },
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{ type: types.CHAR, value: 8233 },
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];
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};
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// Predefined class objects.
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exports.words = () => ({ type: types.SET, set: WORDS(), not: false });
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exports.notWords = () => ({ type: types.SET, set: WORDS(), not: true });
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exports.ints = () => ({ type: types.SET, set: INTS(), not: false });
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exports.notInts = () => ({ type: types.SET, set: INTS(), not: true });
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exports.whitespace = () => ({ type: types.SET, set: WHITESPACE(), not: false });
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exports.notWhitespace = () => ({ type: types.SET, set: WHITESPACE(), not: true });
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exports.anyChar = () => ({ type: types.SET, set: NOTANYCHAR(), not: true });
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