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96 lines
3.3 KiB
JavaScript
96 lines
3.3 KiB
JavaScript
// customMarkdownGrammar.js
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// --- Custom tags with CM6-compatible class names ---
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export const customTags = {
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pageLine: "pageLine", // .cm-pageLine
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snippetLine: "snippetLine", // .cm-snippetLine
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columnSplit: "columnSplit", // .cm-columnSplit
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snippetBreak: "snippetBreak", // .cm-snippetBreak
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inlineBlock: "inline-block", // .cm-inline-block
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block: "block", // .cm-block
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emoji: "emoji", // .cm-emoji
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superscript: "superscript", // .cm-superscript
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subscript: "subscript", // .cm-subscript
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definitionTerm: "dt-highlight", // .cm-dt-highlight
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definitionDesc: "dd-highlight", // .cm-dd-highlight
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injection: "injection", // .cm-injection
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};
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// --- Tokenizer function ---
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export function tokenizeCustomMarkdown(text) {
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const tokens = [];
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const lines = text.split("\n");
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// Track multi-line blocks
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let inBlock = false;
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let blockStart = 0;
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lines.forEach((lineText, lineNumber) => {
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// --- Page / snippet lines ---
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if (/\\page/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.pageLine });
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if (/\\snippet/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.snippetLine });
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if (/^\\column(?:break)?$/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.columnSplit });
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if (/\\snippet/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.snippetBreak });
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// --- Emoji ---
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if (/:\w+?:/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.emoji });
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// --- Superscript / Subscript ---
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if (/\^\^/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.subscript });
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if (/\^/.test(lineText)) tokens.push({ line: lineNumber, type: customTags.superscript });
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// --- Definition lists ---
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if (/::/.test(lineText)) {
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tokens.push({ line: lineNumber, type: customTags.definitionDesc });
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tokens.push({ line: lineNumber, type: customTags.definitionTerm });
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}
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// Track ranges already marked for injections
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const injectionRanges = [];
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if (line.includes("{") && line.includes("}")) {
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const regex = /{[^{}]*}/gm;
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let match;
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while ((match = regex.exec(line)) != null) {
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codeMirror?.markText(
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{ line: lineNumber, ch: match.index },
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{ line: lineNumber, ch: match.index + match[0].length },
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{ className: "injection" },
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);
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injectionRanges.push([match.index, match.index + match[0].length]);
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}
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}
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// Now mark inline blocks, but skip overlapping injection ranges
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if (line.includes("{{") && line.includes("}}")) {
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const regex = /{{[^{}]*}}/gm;
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let match;
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while ((match = regex.exec(line)) != null) {
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const start = match.index,
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end = match.index + match[0].length;
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const overlaps = injectionRanges.some(([iStart, iEnd]) => start < iEnd && end > iStart);
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if (!overlaps) {
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codeMirror?.markText(
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{ line: lineNumber, ch: start },
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{ line: lineNumber, ch: end },
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{ className: "inline-block" },
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);
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}
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}
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}
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// --- Multi-line blocks `{{…}}` --- only start/end lines
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if (lineText.trimLeft().startsWith("{{") && !lineText.trimLeft().endsWith("}}")) {
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inBlock = true;
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blockStart = lineNumber;
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tokens.push({ line: lineNumber, type: customTags.block });
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}
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if (lineText.trimLeft().startsWith("}}") && inBlock) {
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tokens.push({ line: lineNumber, type: customTags.block });
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inBlock = false;
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}
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});
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return tokens;
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}
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