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@ -1,4 +1,4 @@ |
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// GFM table, non-standard
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// GFM table, https://github.github.com/gfm/#tables-extension-
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'use strict'; |
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@ -17,56 +17,42 @@ function escapedSplit(str) { |
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pos = 0, |
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max = str.length, |
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ch, |
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escapes = 0, |
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isEscaped = false, |
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lastPos = 0, |
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backTicked = false, |
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lastBackTick = 0; |
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current = ''; |
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ch = str.charCodeAt(pos); |
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while (pos < max) { |
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if (ch === 0x60/* ` */) { |
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if (backTicked) { |
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// make \` close code sequence, but not open it;
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// the reason is: `\` is correct code block
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backTicked = false; |
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lastBackTick = pos; |
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} else if (escapes % 2 === 0) { |
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backTicked = true; |
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lastBackTick = pos; |
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if (ch === 0x7c/* | */) { |
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if (!isEscaped) { |
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// pipe separating cells, '|'
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result.push(current + str.substring(lastPos, pos)); |
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current = ''; |
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lastPos = pos + 1; |
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} else { |
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// escaped pipe, '\|'
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current += str.substring(lastPos, pos - 1); |
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lastPos = pos; |
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} |
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} else if (ch === 0x7c/* | */ && (escapes % 2 === 0) && !backTicked) { |
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result.push(str.substring(lastPos, pos)); |
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lastPos = pos + 1; |
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} |
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if (ch === 0x5c/* \ */) { |
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escapes++; |
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} else { |
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escapes = 0; |
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} |
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isEscaped = (ch === 0x5c/* \ */); |
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pos++; |
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// If there was an un-closed backtick, go back to just after
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// the last backtick, but as if it was a normal character
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if (pos === max && backTicked) { |
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backTicked = false; |
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pos = lastBackTick + 1; |
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} |
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ch = str.charCodeAt(pos); |
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} |
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result.push(str.substring(lastPos)); |
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result.push(current + str.substring(lastPos)); |
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return result; |
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} |
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module.exports = function table(state, startLine, endLine, silent) { |
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var ch, lineText, pos, i, nextLine, columns, columnCount, token, |
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aligns, t, tableLines, tbodyLines; |
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var ch, lineText, pos, i, l, nextLine, columns, columnCount, token, |
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aligns, t, tableLines, tbodyLines, oldParentType, terminate, |
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terminatorRules; |
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// should have at least two lines
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if (startLine + 2 > endLine) { return false; } |
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@ -125,15 +111,24 @@ module.exports = function table(state, startLine, endLine, silent) { |
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lineText = getLine(state, startLine).trim(); |
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if (lineText.indexOf('|') === -1) { return false; } |
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if (state.sCount[startLine] - state.blkIndent >= 4) { return false; } |
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columns = escapedSplit(lineText.replace(/^\||\|$/g, '')); |
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columns = escapedSplit(lineText); |
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if (columns.length && columns[0] === '') columns.shift(); |
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if (columns.length && columns[columns.length - 1] === '') columns.pop(); |
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// header row will define an amount of columns in the entire table,
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// and align row shouldn't be smaller than that (the rest of the rows can)
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// and align row should be exactly the same (the rest of the rows can differ)
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columnCount = columns.length; |
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if (columnCount > aligns.length) { return false; } |
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if (columnCount !== aligns.length) { return false; } |
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if (silent) { return true; } |
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oldParentType = state.parentType; |
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state.parentType = 'table'; |
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// use 'blockquote' lists for termination because it's
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// the most similar to tables
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terminatorRules = state.md.block.ruler.getRules('blockquote'); |
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token = state.push('table_open', 'table', 1); |
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token.map = tableLines = [ startLine, 0 ]; |
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@ -161,16 +156,29 @@ module.exports = function table(state, startLine, endLine, silent) { |
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token = state.push('tr_close', 'tr', -1); |
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token = state.push('thead_close', 'thead', -1); |
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token = state.push('tbody_open', 'tbody', 1); |
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token.map = tbodyLines = [ startLine + 2, 0 ]; |
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for (nextLine = startLine + 2; nextLine < endLine; nextLine++) { |
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if (state.sCount[nextLine] < state.blkIndent) { break; } |
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terminate = false; |
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for (i = 0, l = terminatorRules.length; i < l; i++) { |
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if (terminatorRules[i](state, nextLine, endLine, true)) { |
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terminate = true; |
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break; |
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} |
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} |
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if (terminate) { break; } |
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lineText = getLine(state, nextLine).trim(); |
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if (lineText.indexOf('|') === -1) { break; } |
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if (!lineText) { break; } |
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if (state.sCount[nextLine] - state.blkIndent >= 4) { break; } |
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columns = escapedSplit(lineText.replace(/^\||\|$/g, '')); |
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columns = escapedSplit(lineText); |
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if (columns.length && columns[0] === '') columns.shift(); |
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if (columns.length && columns[columns.length - 1] === '') columns.pop(); |
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if (nextLine === startLine + 2) { |
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token = state.push('tbody_open', 'tbody', 1); |
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token.map = tbodyLines = [ startLine + 2, 0 ]; |
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} |
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token = state.push('tr_open', 'tr', 1); |
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for (i = 0; i < columnCount; i++) { |
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@ -189,10 +197,16 @@ module.exports = function table(state, startLine, endLine, silent) { |
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} |
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token = state.push('tr_close', 'tr', -1); |
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} |
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token = state.push('tbody_close', 'tbody', -1); |
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if (tbodyLines) { |
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token = state.push('tbody_close', 'tbody', -1); |
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tbodyLines[1] = nextLine; |
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} |
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token = state.push('table_close', 'table', -1); |
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tableLines[1] = nextLine; |
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tableLines[1] = tbodyLines[1] = nextLine; |
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state.parentType = oldParentType; |
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state.line = nextLine; |
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return true; |
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}; |
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Alex Kocharin
4 years ago