Public-Mirrors
/
markdown-it
mirror of https://github.com/markdown-it/markdown-it.git
1
0
Fork 0
Code Issues Releases Activity
Browse Source

Added lists and basic support for tables

pull/14/head
Alex Kocharin 10 years ago
parent
79a25c777f
commit
0393a77aee
4 changed files with 288 additions and 40 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      lib/lexer_block.js
  2. 205
      lib/lexer_block/list.js
  3. 82
      lib/lexer_block/table.js
  4. 40
      lib/renderer.js

1
lib/lexer_block.js
View File

@ -14,6 +14,7 @@ rules.push(require('./lexer_block/list'));
rules.push(require('./lexer_block/heading'));
rules.push(require('./lexer_block/lheading'));
rules.push(require('./lexer_block/blockquote'));
rules.push(require('./lexer_block/table'));
rules.push(require('./lexer_block/paragraph'));

205
lib/lexer_block/list.js
View File

@ -3,78 +3,203 @@
'use strict';
var isEmpty = require('../helpers').isEmpty;
var isEmpty = require('../helpers').isEmpty;
var getLines = require('../helpers').getLines;
var skipSpaces = require('../helpers').skipSpaces;
var skipEmptyLines = require('../helpers').skipEmptyLines;
function bullet_item(state, startLine, endLine, silent) {
var marker, nextLine,
function findEndOfItem(state, startLine, endLine, indent) {
var lastNonEmptyLine = startLine,
rules_named = state.lexerBlock.rules_named,
nextLine = startLine + 1;
// jump line-by-line until empty one or EOF
for (; nextLine < endLine; nextLine++) {
if (isEmpty(state, nextLine)) {
// two successive newlines end the list
if (lastNonEmptyLine < nextLine - 1) { break; }
continue;
}
// if this line is indented more than with N spaces,
// it's the new paragraph of the same list item
if (state.tShift[nextLine] >= indent) {
lastNonEmptyLine = nextLine;
continue;
}
// paragraph after linebreak - not a continuation
if (lastNonEmptyLine < nextLine - 1) { break; }
// Otherwise it's a possible continuation, so we need to check
// other tags, same as with blockquote and paragraph.
if (rules_named.fences(state, nextLine, endLine, true)) { break; }
if (rules_named.hr(state, nextLine, endLine, true)) { break; }
if (rules_named.heading(state, nextLine, endLine, true)) { break; }
if (rules_named.lheading(state, nextLine, endLine, true)) { break; }
if (rules_named.blockquote(state, nextLine, endLine, true)) { break; }
if (rules_named.list(state, nextLine, endLine, true)) { break; }
//if (rules_named.tag(state, nextLine, endLine, true)) { break; }
//if (rules_named.def(state, nextLine, endLine, true)) { break; }
lastNonEmptyLine = nextLine;
}
return lastNonEmptyLine;
}
// skips `[-+*][\n ]`, returns -1 if not found
function skipBulletListMarker(state, startLine/*, endLine*/) {
var marker,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
// TODO: supporting list with only one paragraph for now
if (pos > max) { return false; }
if (pos > max) { return -1; }
marker = state.src.charCodeAt(pos++);
// Check bullet
if (marker !== 0x2A/* * */ &&
marker !== 0x2D/* - */ &&
marker !== 0x2B/* + */) {
return false;
return -1;
}
// Empty list item
if (pos > max) {
state.tokens.push({ type: 'list_item_open' });
state.tokens.push({ type: 'list_item_close' });
return true;
if (pos < max && state.src.charCodeAt(pos) !== 0x20) {
// " 1.test " - is not a list item
return -1;
}
return pos;
}
if (state.src.charCodeAt(pos++) !== 0x20) { return false; }
// skips `\d+\.[\n ]`, returns -1 if not found
function skipOrderedListMarker(state, startLine/*, endLine*/) {
var marker,
haveMarker = false,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
// If we reached this, it's surely a list item
if (silent) { return true; }
if (pos + 1 > max) { return -1; }
nextLine = startLine + 1;
marker = state.src.charCodeAt(pos++);
if (marker < 0x30/* 0 */ || marker > 0x39/* 9 */) { return -1; }
// jump line-by-line until empty one or EOF
while (nextLine < endLine && !isEmpty(state, nextLine)) {
// Some tags can terminate paragraph without empty line.
// Try those tags in validation more (without tokens generation)
if (rules_named.fences(state, nextLine, endLine, true)) { break; }
if (rules_named.hr(state, nextLine, endLine, true)) { break; }
if (rules_named.heading(state, nextLine, endLine, true)) { break; }
if (rules_named.lheading(state, nextLine, endLine, true)) { break; }
if (rules_named.blockquote(state, nextLine, endLine, true)) { break; }
if (bullet_item(state, nextLine, endLine, true)) { break; }
//if (rules_named.tag(state, nextLine, endLine, true)) { break; }
//if (rules_named.def(state, nextLine, endLine, true)) { break; }
nextLine++;
while (pos < max) {
marker = state.src.charCodeAt(pos++);
// found valid marker
if (marker === 0x29 || marker === 0x2e) {
haveMarker = true;
break;
}
// still skipping digits...
if (marker < 0x30/* 0 */ || marker > 0x39/* 9 */) { return -1; }
}
if (!haveMarker) {
// " 1\n"
return -1;
}
if (pos < max && state.src.charCodeAt(pos) !== 0x20) {
// " 1.test " - is not a list item
return -1;
}
return pos;
}
function bullet_item(state, startLine, endLine, isOrdered) {
var indentAfterMarker, indent, start, lastLine, subState, pos,
max = state.eMarks[startLine];
if (isOrdered) {
pos = skipOrderedListMarker(state, startLine, endLine);
} else {
pos = skipBulletListMarker(state, startLine, endLine);
}
if (pos === -1) { return false; }
start = pos;
pos = skipSpaces(state, pos);
if (pos >= max) {
// trimming space in "- \n 3" case, indent is 1 here
indentAfterMarker = 1;
} else {
indentAfterMarker = pos - start;
}
// If we have more than 4 spaces, the indent is 1
// (the rest is just indented code block)
if (indentAfterMarker > 4) { indentAfterMarker = 1; }
// If indent is less than 1, assume that it's one, example:
// "-\n test"
if (indentAfterMarker < 1) { indentAfterMarker = 1; }
// " - test"
// ^^^^^ - calculating total length of this thing
indent = state.tShift[startLine] + indentAfterMarker + (isOrdered ? 2 : 1);
lastLine = findEndOfItem(state, startLine, endLine, indent);
state.tokens.push({ type: 'list_item_open' });
state.lexerInline.tokenize(
/*state.lexerInline.tokenize(
state,
state.bMarks[startLine],
state.eMarks[nextLine - 1]
);
state.eMarks[lastLine]
);*/
subState = state.clone(getLines(state, startLine, lastLine + 1, true)
.replace(RegExp('^ {' + indent + '}', 'mg'), '').substr(indent));
state.lexerBlock.tokenize(subState, 0, subState.lineMax);
state.tokens.push({ type: 'list_item_close' });
state.line = skipEmptyLines(state, nextLine);
state.line = lastLine + 1;
return true;
}
module.exports = function list(state, startLine, endLine, silent) {
// TODO: supporting list with only one element for now
if (bullet_item(state, startLine, endLine, true)) {
if (silent) { return true; }
var line, start, markerInt,
orderedMarker = skipOrderedListMarker(state, startLine, endLine),
bulletMarker = skipBulletListMarker(state, startLine, endLine),
isOrdered;
if (orderedMarker === -1 && bulletMarker === -1) { return false; }
if (silent) { return true; }
isOrdered = orderedMarker !== -1;
if (isOrdered) {
start = state.bMarks[startLine] + state.tShift[startLine];
markerInt = Number(state.src.substr(start, orderedMarker - start));
if (markerInt > 1) {
state.tokens.push({ type: 'ordered_list_open', start: markerInt });
} else {
state.tokens.push({ type: 'ordered_list_open' });
}
} else {
state.tokens.push({ type: 'bullet_list_open' });
bullet_item(state, startLine, endLine);
}
line = startLine;
while (line < endLine) {
if (bullet_item(state, line, endLine, isOrdered)) {
line = state.line;
// if we have a trailing newline, skip it;
// if we have more than one, it should end the list,
// so can't use skipEmptyNewlines here
if (line < endLine && isEmpty(state, line)) { line++; }
} else {
break;
}
}
if (isOrdered) {
state.tokens.push({ type: 'ordered_list_close' });
} else {
state.tokens.push({ type: 'bullet_list_close' });
return true;
}
return false;
state.line = skipEmptyLines(state, state.line);
return true;
};

82
lib/lexer_block/table.js
View File

@ -0,0 +1,82 @@
// GFM table, non-standard
'use strict';
var skipEmptyLines = require('../helpers').skipEmptyLines;
function lineMatch(state, line, reg) {
var pos = state.bMarks[line],
max = state.eMarks[line];
return state.src.substr(pos, max - pos).match(reg);
}
module.exports = function table(state, startLine, endLine, silent) {
var ch, firstLineMatch, secondLineMatch, i, subState, nextLine, m, rows,
aligns, t;
// should have at least three lines
if (startLine + 2 > endLine) { return false; }
// first character of the second line should be '|' or '-'
ch = state.src.charCodeAt(state.bMarks[startLine + 1]
+ state.tShift[startLine + 1]);
if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */) { return false; }
secondLineMatch = lineMatch(state, startLine + 1,
/^ *\|?(( *[:-]-+[:-] *\|)+( *[:-]-+[:-] *))\|? *$/);
if (!secondLineMatch) { return false; }
rows = secondLineMatch[1].split('|');
aligns = [];
for (i = 0; i < rows.length; i++) {
t = rows[i].trim();
if (t[t.length - 1] === ':') {
aligns[i] = t[0] === ':' ? 'center' : 'right';
} else if (t[0] === ':') {
aligns[i] = 'left';
} else {
aligns[i] = '';
}
}
firstLineMatch = lineMatch(state, startLine, /^ *\|?(.*?\|.*?)\|? *$/);
if (!firstLineMatch) { return false; }
rows = firstLineMatch[1].split('|');
if (aligns.length !== rows.length) { return false; }
if (silent) { return true; }
state.tokens.push({ type: 'table_open' });
state.tokens.push({ type: 'tr_open' });
for (i = 0; i < rows.length; i++) {
state.tokens.push({ type: 'th_open', align: aligns[i] });
subState = state.clone(rows[i].trim());
state.lexerInline.tokenize(subState, 0, subState.eMarks[0]);
state.tokens.push({ type: 'th_close' });
}
state.tokens.push({ type: 'tr_close' });
for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
m = lineMatch(state, nextLine, /^ *\|?(.*?\|.*?)\|? *$/);
if (!m) { break; }
rows = m[1].split('|');
state.tokens.push({ type: 'tr_open' });
for (i = 0; i < rows.length; i++) {
state.tokens.push({ type: 'td_open', align: aligns[i] });
subState = state.clone(rows[i].replace(/^\|? *| *\|?$/g, ''));
state.lexerInline.tokenize(subState, 0, subState.eMarks[0]);
state.tokens.push({ type: 'td_close' });
}
state.tokens.push({ type: 'tr_close' });
}
state.tokens.push({ type: 'table_close' });
state.line = skipEmptyLines(state, nextLine);
return true;
};

40
lib/renderer.js
View File

@ -75,6 +75,16 @@ rules.list_item_close = function (state /*, token*/) {
};
rules.ordered_list_open = function (state, token) {
state.result += '<ol'
+ (token.start ? ' start="' + token.start + '"' : '')
+ '>\n';
};
rules.ordered_list_close = function (state /*, token*/) {
state.result += '</ol>\n';
};
rules.paragraph_open = function (state /*, token*/) {
state.result += '<p>';
};
@ -83,6 +93,36 @@ rules.paragraph_close = function (state /*, token*/) {
};
rules.table_open = function (state /*, token*/) {
state.result += '<table>\n';
};
rules.table_close = function (state /*, token*/) {
state.result += '</table>\n';
};
rules.tr_open = function (state /*, token*/) {
state.result += '<tr>\n';
};
rules.tr_close = function (state /*, token*/) {
state.result += '</tr>\n';
};
rules.th_open = function (state, token) {
state.result += '<th'
+ (token.align ? ' align="' + token.align + '"' : '')
+ '>';
};
rules.th_close = function (state /*, token*/) {
state.result += '</th>\n';
};
rules.td_open = function (state, token) {
state.result += '<td'
+ (token.align ? ' align="' + token.align + '"' : '')
+ '>';
};
rules.td_close = function (state /*, token*/) {
state.result += '</td>\n';
};
rules.text = function (state, token) {
state.result += escapeHtml(unescapeMd(token.content));
};

Write Preview
Loading…
Cancel
Save