19 lines
665 B
JavaScript
19 lines
665 B
JavaScript
import { buildCharacterArbitrary } from './_internals/builders/CharacterArbitraryBuilder.js';
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import { indexToPrintableIndexMapper, indexToPrintableIndexUnmapper } from './_internals/mappers/IndexToPrintableIndex.js';
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const gapSize = 0xdfff + 1 - 0xd800;
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function unicodeMapper(v) {
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if (v < 0xd800)
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return indexToPrintableIndexMapper(v);
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return v + gapSize;
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}
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function unicodeUnmapper(v) {
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if (v < 0xd800)
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return indexToPrintableIndexUnmapper(v);
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if (v <= 0xdfff)
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return -1;
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return v - gapSize;
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}
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export function unicode() {
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return buildCharacterArbitrary(0x0000, 0xffff - gapSize, unicodeMapper, unicodeUnmapper);
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}
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