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36 lines
631 B
36 lines
631 B
class SharedStrings {
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constructor() {
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this._values = [];
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this._totalRefs = 0;
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this._hash = Object.create(null);
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}
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get count() {
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return this._values.length;
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}
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get values() {
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return this._values;
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}
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get totalRefs() {
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return this._totalRefs;
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}
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getString(index) {
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return this._values[index];
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}
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add(value) {
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let index = this._hash[value];
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if (index === undefined) {
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index = this._hash[value] = this._values.length;
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this._values.push(value);
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}
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this._totalRefs++;
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return index;
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}
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}
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module.exports = SharedStrings;
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