59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
import type { monacoTypes } from '@grafana/ui';
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import { LinkedToken } from './LinkedToken';
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import { LanguageDefinition } from './register';
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import { Monaco, TokenTypes } from './types';
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export function linkedTokenBuilder(
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monaco: Monaco,
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language: LanguageDefinition,
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model: monacoTypes.editor.ITextModel,
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position: monacoTypes.IPosition,
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tokenTypes: TokenTypes
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) {
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let current: LinkedToken | null = null;
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let previous: LinkedToken | null = null;
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const tokensPerLine = monaco.editor.tokenize(model.getValue() ?? '', language.id);
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for (let lineIndex = 0; lineIndex < tokensPerLine.length; lineIndex++) {
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const tokens = tokensPerLine[lineIndex];
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// In case position is first column in new line, add empty whitespace token so that links are not broken
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if (!tokens.length && previous) {
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const token: monacoTypes.Token = {
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offset: 0,
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type: tokenTypes.Whitespace,
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language: language.id,
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_tokenBrand: undefined,
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};
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tokens.push(token);
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}
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for (let columnIndex = 0; columnIndex < tokens.length; columnIndex++) {
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const token = tokens[columnIndex];
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let endColumn =
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tokens.length > columnIndex + 1 ? tokens[columnIndex + 1].offset + 1 : model.getLineLength(lineIndex + 1) + 1;
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const range: monacoTypes.IRange = {
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startLineNumber: lineIndex + 1,
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startColumn: token.offset === 0 ? 0 : token.offset + 1,
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endLineNumber: lineIndex + 1,
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endColumn,
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};
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const value = model.getValueInRange(range);
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const newToken: LinkedToken = new LinkedToken(token.type, value, range, previous, null, tokenTypes);
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if (monaco.Range.containsPosition(range, position)) {
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current = newToken;
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}
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if (previous) {
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previous.next = newToken;
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}
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previous = newToken;
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}
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}
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return current;
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}
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