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1 files changed, 221 insertions, 0 deletions

diff --git a/node_modules/markdown-it/lib/rules_block/table.js b/node_modules/markdown-it/lib/rules_block/table.js
new file mode 100644
index 0000000..7d9208f
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+++ b/node_modules/markdown-it/lib/rules_block/table.js
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+// GFM table, https://github.github.com/gfm/#tables-extension-
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+function getLine(state, line) {
+  var pos = state.bMarks[line] + state.tShift[line],
+      max = state.eMarks[line];
+
+  return state.src.substr(pos, max - pos);
+}
+
+function escapedSplit(str) {
+  var result = [],
+      pos = 0,
+      max = str.length,
+      ch,
+      isEscaped = false,
+      lastPos = 0,
+      current = '';
+
+  ch  = str.charCodeAt(pos);
+
+  while (pos < max) {
+    if (ch === 0x7c/* | */) {
+      if (!isEscaped) {
+        // pipe separating cells, '|'
+        result.push(current + str.substring(lastPos, pos));
+        current = '';
+        lastPos = pos + 1;
+      } else {
+        // escaped pipe, '\|'
+        current += str.substring(lastPos, pos - 1);
+        lastPos = pos;
+      }
+    }
+
+    isEscaped = (ch === 0x5c/* \ */);
+    pos++;
+
+    ch = str.charCodeAt(pos);
+  }
+
+  result.push(current + str.substring(lastPos));
+
+  return result;
+}
+
+
+module.exports = function table(state, startLine, endLine, silent) {
+  var ch, lineText, pos, i, l, nextLine, columns, columnCount, token,
+      aligns, t, tableLines, tbodyLines, oldParentType, terminate,
+      terminatorRules, firstCh, secondCh;
+
+  // should have at least two lines
+  if (startLine + 2 > endLine) { return false; }
+
+  nextLine = startLine + 1;
+
+  if (state.sCount[nextLine] < state.blkIndent) { return false; }
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false; }
+
+  // first character of the second line should be '|', '-', ':',
+  // and no other characters are allowed but spaces;
+  // basically, this is the equivalent of /^[-:|][-:|\s]*$/ regexp
+
+  pos = state.bMarks[nextLine] + state.tShift[nextLine];
+  if (pos >= state.eMarks[nextLine]) { return false; }
+
+  firstCh = state.src.charCodeAt(pos++);
+  if (firstCh !== 0x7C/* | */ && firstCh !== 0x2D/* - */ && firstCh !== 0x3A/* : */) { return false; }
+
+  if (pos >= state.eMarks[nextLine]) { return false; }
+
+  secondCh = state.src.charCodeAt(pos++);
+  if (secondCh !== 0x7C/* | */ && secondCh !== 0x2D/* - */ && secondCh !== 0x3A/* : */ && !isSpace(secondCh)) {
+    return false;
+  }
+
+  // if first character is '-', then second character must not be a space
+  // (due to parsing ambiguity with list)
+  if (firstCh === 0x2D/* - */ && isSpace(secondCh)) { return false; }
+
+  while (pos < state.eMarks[nextLine]) {
+    ch = state.src.charCodeAt(pos);
+
+    if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */ && !isSpace(ch)) { return false; }
+
+    pos++;
+  }
+
+  lineText = getLine(state, startLine + 1);
+
+  columns = lineText.split('|');
+  aligns = [];
+  for (i = 0; i < columns.length; i++) {
+    t = columns[i].trim();
+    if (!t) {
+      // allow empty columns before and after table, but not in between columns;
+      // e.g. allow ` |---| `, disallow ` ---||--- `
+      if (i === 0 || i === columns.length - 1) {
+        continue;
+      } else {
+        return false;
+      }
+    }
+
+    if (!/^:?-+:?$/.test(t)) { return false; }
+    if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {
+      aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');
+    } else if (t.charCodeAt(0) === 0x3A/* : */) {
+      aligns.push('left');
+    } else {
+      aligns.push('');
+    }
+  }
+
+  lineText = getLine(state, startLine).trim();
+  if (lineText.indexOf('|') === -1) { return false; }
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+  columns = escapedSplit(lineText);
+  if (columns.length && columns[0] === '') columns.shift();
+  if (columns.length && columns[columns.length - 1] === '') columns.pop();
+
+  // header row will define an amount of columns in the entire table,
+  // and align row should be exactly the same (the rest of the rows can differ)
+  columnCount = columns.length;
+  if (columnCount === 0 || columnCount !== aligns.length) { return false; }
+
+  if (silent) { return true; }
+
+  oldParentType = state.parentType;
+  state.parentType = 'table';
+
+  // use 'blockquote' lists for termination because it's
+  // the most similar to tables
+  terminatorRules = state.md.block.ruler.getRules('blockquote');
+
+  token     = state.push('table_open', 'table', 1);
+  token.map = tableLines = [ startLine, 0 ];
+
+  token     = state.push('thead_open', 'thead', 1);
+  token.map = [ startLine, startLine + 1 ];
+
+  token     = state.push('tr_open', 'tr', 1);
+  token.map = [ startLine, startLine + 1 ];
+
+  for (i = 0; i < columns.length; i++) {
+    token          = state.push('th_open', 'th', 1);
+    if (aligns[i]) {
+      token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];
+    }
+
+    token          = state.push('inline', '', 0);
+    token.content  = columns[i].trim();
+    token.children = [];
+
+    token          = state.push('th_close', 'th', -1);
+  }
+
+  token     = state.push('tr_close', 'tr', -1);
+  token     = state.push('thead_close', 'thead', -1);
+
+  for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
+    if (state.sCount[nextLine] < state.blkIndent) { break; }
+
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+
+    if (terminate) { break; }
+    lineText = getLine(state, nextLine).trim();
+    if (!lineText) { break; }
+    if (state.sCount[nextLine] - state.blkIndent >= 4) { break; }
+    columns = escapedSplit(lineText);
+    if (columns.length && columns[0] === '') columns.shift();
+    if (columns.length && columns[columns.length - 1] === '') columns.pop();
+
+    if (nextLine === startLine + 2) {
+      token     = state.push('tbody_open', 'tbody', 1);
+      token.map = tbodyLines = [ startLine + 2, 0 ];
+    }
+
+    token     = state.push('tr_open', 'tr', 1);
+    token.map = [ nextLine, nextLine + 1 ];
+
+    for (i = 0; i < columnCount; i++) {
+      token          = state.push('td_open', 'td', 1);
+      if (aligns[i]) {
+        token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];
+      }
+
+      token          = state.push('inline', '', 0);
+      token.content  = columns[i] ? columns[i].trim() : '';
+      token.children = [];
+
+      token          = state.push('td_close', 'td', -1);
+    }
+    token = state.push('tr_close', 'tr', -1);
+  }
+
+  if (tbodyLines) {
+    token = state.push('tbody_close', 'tbody', -1);
+    tbodyLines[1] = nextLine;
+  }
+
+  token = state.push('table_close', 'table', -1);
+  tableLines[1] = nextLine;
+
+  state.parentType = oldParentType;
+  state.line = nextLine;
+  return true;
+};