58 lines
2.0 KiB
TypeScript
58 lines
2.0 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {MAX_INLINE_DEPTH} from '@fluxer/markdown_parser/src/types/MarkdownConstants';
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export class FormattingContext {
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private readonly activeFormattingTypes = new Map<string, boolean>();
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private readonly formattingStack: Array<[string, boolean]> = [];
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private currentDepth = 0;
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canEnterFormatting(delimiter: string, isDouble: boolean): boolean {
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const key = this.getFormattingKey(delimiter, isDouble);
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if (this.activeFormattingTypes.has(key)) return false;
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return this.currentDepth < MAX_INLINE_DEPTH;
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}
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isFormattingActive(delimiter: string, isDouble: boolean): boolean {
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return this.activeFormattingTypes.has(this.getFormattingKey(delimiter, isDouble));
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}
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pushFormatting(delimiter: string, isDouble: boolean): void {
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this.formattingStack.push([delimiter, isDouble]);
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this.activeFormattingTypes.set(this.getFormattingKey(delimiter, isDouble), true);
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this.currentDepth++;
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}
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popFormatting(): [string, boolean] | undefined {
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const removed = this.formattingStack.pop();
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if (removed) {
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this.activeFormattingTypes.delete(this.getFormattingKey(removed[0], removed[1]));
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this.currentDepth--;
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}
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return removed;
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}
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setCurrentText(_text: string): void {}
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private getFormattingKey(delimiter: string, isDouble: boolean): string {
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return `${delimiter}${isDouble ? '2' : '1'}`;
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}
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}
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