- var Node = require('./node');
- var fromCodePoint = require('./from-code-point.js');
- var entityToChar = require('./html5-entities.js').entityToChar;
- // Constants for character codes:
- var C_NEWLINE = 10;
- var C_SPACE = 32;
- var C_ASTERISK = 42;
- var C_UNDERSCORE = 95;
- var C_BACKTICK = 96;
- var C_OPEN_BRACKET = 91;
- var C_CLOSE_BRACKET = 93;
- var C_LESSTHAN = 60;
- var C_BANG = 33;
- var C_BACKSLASH = 92;
- var C_AMPERSAND = 38;
- var C_OPEN_PAREN = 40;
- var C_COLON = 58;
- // Some regexps used in inline parser:
- var ESCAPABLE = '[!"#$%&\'()*+,./:;<=>?@[\\\\\\]^_`{|}~-]';
- var ESCAPED_CHAR = '\\\\' + ESCAPABLE;
- var REG_CHAR = '[^\\\\()\\x00-\\x20]';
- var IN_PARENS_NOSP = '\\((' + REG_CHAR + '|' + ESCAPED_CHAR + ')*\\)';
- var TAGNAME = '[A-Za-z][A-Za-z0-9]*';
- var ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
- var UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
- var SINGLEQUOTEDVALUE = "'[^']*'";
- var DOUBLEQUOTEDVALUE = '"[^"]*"';
- var ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE + "|" + DOUBLEQUOTEDVALUE + ")";
- var ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE + ")";
- var ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC + "?)";
- var OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
- var CLOSETAG = "</" + TAGNAME + "\\s*[>]";
- var HTMLCOMMENT = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->";
- var PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
- var DECLARATION = "<![A-Z]+" + "\\s+[^>]*>";
- var CDATA = "<!\\[CDATA\\[[\\s\\S]*?\]\\]>";
- var HTMLTAG = "(?:" + OPENTAG + "|" + CLOSETAG + "|" + HTMLCOMMENT + "|" +
- PROCESSINGINSTRUCTION + "|" + DECLARATION + "|" + CDATA + ")";
- var ENTITY = "&(?:#x[a-f0-9]{1,8}|#[0-9]{1,8}|[a-z][a-z0-9]{1,31});";
- var rePunctuation = new RegExp(/^[\u2000-\u206F\u2E00-\u2E7F\\'!"#\$%&\(\)\*\+,\-\.\/:;<=>\?@\[\]\^_`\{\|\}~]/);
- var reHtmlTag = new RegExp('^' + HTMLTAG, 'i');
- var reLinkTitle = new RegExp(
- '^(?:"(' + ESCAPED_CHAR + '|[^"\\x00])*"' +
- '|' +
- '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
- '|' +
- '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');
- var reLinkDestinationBraces = new RegExp(
- '^(?:[<](?:[^<>\\n\\\\\\x00]' + '|' + ESCAPED_CHAR + '|' + '\\\\)*[>])');
- var reLinkDestination = new RegExp(
- '^(?:' + REG_CHAR + '+|' + ESCAPED_CHAR + '|' + IN_PARENS_NOSP + ')*');
- var reEscapable = new RegExp(ESCAPABLE);
- var reAllEscapedChar = new RegExp('\\\\(' + ESCAPABLE + ')', 'g');
- var reEntityHere = new RegExp('^' + ENTITY, 'i');
- var reEntity = new RegExp(ENTITY, 'gi');
- // Matches a character with a special meaning in markdown,
- // or a string of non-special characters. Note: we match
- // clumps of _ or * or `, because they need to be handled in groups.
- var reMain = /^(?:[_*`\n]+|[\[\]\\!<&*_]|(?: *[^\n `\[\]\\!<&*_]+)+|[ \n]+)/m;
- // Replace entities and backslash escapes with literal characters.
- var unescapeString = function(s) {
- "use strict";
- return s.replace(reAllEscapedChar, '$1')
- .replace(reEntity, entityToChar);
- };
- // Normalize reference label: collapse internal whitespace
- // to single space, remove leading/trailing whitespace, case fold.
- var normalizeReference = function(s) {
- "use strict";
- return s.trim()
- .replace(/\s+/, ' ')
- .toUpperCase();
- };
- var text = function(s) {
- "use strict";
- var node = new Node('Text');
- node.c = s;
- return node;
- };
- // INLINE PARSER
- // These are methods of an InlineParser object, defined below.
- // An InlineParser keeps track of a subject (a string to be
- // parsed) and a position in that subject.
- // If re matches at current position in the subject, advance
- // position in subject and return the match; otherwise return null.
- var match = function(re) {
- "use strict";
- var m = re.exec(this.subject.slice(this.pos));
- if (m) {
- this.pos += m.index + m[0].length;
- return m[0];
- } else {
- return null;
- }
- };
- // Returns the code for the character at the current subject position, or -1
- // there are no more characters.
- var peek = function() {
- "use strict";
- if (this.pos < this.subject.length) {
- return this.subject.charCodeAt(this.pos);
- } else {
- return -1;
- }
- };
- // Parse zero or more space characters, including at most one newline
- var spnl = function() {
- "use strict";
- this.match(/^ *(?:\n *)?/);
- return 1;
- };
- // All of the parsers below try to match something at the current position
- // in the subject. If they succeed in matching anything, they
- // return the inline matched, advancing the subject.
- // Attempt to parse backticks, adding either a backtick code span or a
- // literal sequence of backticks.
- var parseBackticks = function(block) {
- "use strict";
- var ticks = this.match(/^`+/);
- if (!ticks) {
- return 0;
- }
- var afterOpenTicks = this.pos;
- var foundCode = false;
- var matched;
- var node;
- while (!foundCode && (matched = this.match(/`+/m))) {
- if (matched === ticks) {
- node = new Node('Code');
- node.c = this.subject.slice(afterOpenTicks,
- this.pos - ticks.length)
- .replace(/[ \n]+/g, ' ')
- .trim();
- block.appendChild(node);
- return true;
- }
- }
- // If we got here, we didn't match a closing backtick sequence.
- this.pos = afterOpenTicks;
- block.appendChild(text(ticks));
- return true;
- };
- // Parse a backslash-escaped special character, adding either the escaped
- // character, a hard line break (if the backslash is followed by a newline),
- // or a literal backslash to the block's children.
- var parseBackslash = function(block) {
- "use strict";
- var subj = this.subject,
- pos = this.pos;
- var node;
- if (subj.charCodeAt(pos) === C_BACKSLASH) {
- if (subj.charAt(pos + 1) === '\n') {
- this.pos = this.pos + 2;
- node = new Node('Hardbreak');
- block.appendChild(node);
- } else if (reEscapable.test(subj.charAt(pos + 1))) {
- this.pos = this.pos + 2;
- block.appendChild(text(subj.charAt(pos + 1)));
- } else {
- this.pos++;
- block.appendChild(text('\\'));
- }
- return true;
- } else {
- return false;
- }
- };
- // Attempt to parse an autolink (URL or email in pointy brackets).
- var parseAutolink = function(block) {
- "use strict";
- var m;
- var dest;
- var node;
- if ((m = this.match(/^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/))) { // email autolink
- dest = m.slice(1, -1);
- node = new Node('Link');
- node.destination = 'mailto:' + encodeURI(unescape(dest));
- node.appendChild(text(dest));
- block.appendChild(node);
- return true;
- } else if ((m = this.match(/^<(?:coap|doi|javascript|aaa|aaas|about|acap|cap|cid|crid|data|dav|dict|dns|file|ftp|geo|go|gopher|h323|http|https|iax|icap|im|imap|info|ipp|iris|iris.beep|iris.xpc|iris.xpcs|iris.lwz|ldap|mailto|mid|msrp|msrps|mtqp|mupdate|news|nfs|ni|nih|nntp|opaquelocktoken|pop|pres|rtsp|service|session|shttp|sieve|sip|sips|sms|snmp|soap.beep|soap.beeps|tag|tel|telnet|tftp|thismessage|tn3270|tip|tv|urn|vemmi|ws|wss|xcon|xcon-userid|xmlrpc.beep|xmlrpc.beeps|xmpp|z39.50r|z39.50s|adiumxtra|afp|afs|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|chrome|chrome-extension|com-eventbrite-attendee|content|cvs|dlna-playsingle|dlna-playcontainer|dtn|dvb|ed2k|facetime|feed|finger|fish|gg|git|gizmoproject|gtalk|hcp|icon|ipn|irc|irc6|ircs|itms|jar|jms|keyparc|lastfm|ldaps|magnet|maps|market|message|mms|ms-help|msnim|mumble|mvn|notes|oid|palm|paparazzi|platform|proxy|psyc|query|res|resource|rmi|rsync|rtmp|secondlife|sftp|sgn|skype|smb|soldat|spotify|ssh|steam|svn|teamspeak|things|udp|unreal|ut2004|ventrilo|view-source|webcal|wtai|wyciwyg|xfire|xri|ymsgr):[^<>\x00-\x20]*>/i))) {
- dest = m.slice(1, -1);
- node = new Node('Link');
- node.destination = encodeURI(unescape(dest));
- node.appendChild(text(dest));
- block.appendChild(node);
- return true;
- } else {
- return false;
- }
- };
- // Attempt to parse a raw HTML tag.
- var parseHtmlTag = function(block) {
- "use strict";
- var m = this.match(reHtmlTag);
- var node;
- if (m) {
- node = new Node('Html');
- node.c = m;
- block.appendChild(node);
- return true;
- } else {
- return false;
- }
- };
- // Scan a sequence of characters with code cc, and return information about
- // the number of delimiters and whether they are positioned such that
- // they can open and/or close emphasis or strong emphasis. A utility
- // function for strong/emph parsing.
- var scanDelims = function(cc) {
- "use strict";
- var numdelims = 0;
- var char_before, char_after, cc_after;
- var startpos = this.pos;
- char_before = this.pos === 0 ? '\n' :
- this.subject.charAt(this.pos - 1);
- while (this.peek() === cc) {
- numdelims++;
- this.pos++;
- }
- cc_after = this.peek();
- if (cc_after === -1) {
- char_after = '\n';
- } else {
- char_after = fromCodePoint(cc_after);
- }
- var can_open = numdelims > 0 && !(/\s/.test(char_after)) &&
- !(rePunctuation.test(char_after) &&
- !(/\s/.test(char_before)) &&
- !(rePunctuation.test(char_before)));
- var can_close = numdelims > 0 && !(/\s/.test(char_before)) &&
- !(rePunctuation.test(char_before) &&
- !(/\s/.test(char_after)) &&
- !(rePunctuation.test(char_after)));
- if (cc === C_UNDERSCORE) {
- can_open = can_open && !((/[a-z0-9]/i).test(char_before));
- can_close = can_close && !((/[a-z0-9]/i).test(char_after));
- }
- this.pos = startpos;
- return { numdelims: numdelims,
- can_open: can_open,
- can_close: can_close };
- };
- // Attempt to parse emphasis or strong emphasis.
- var parseEmphasis = function(cc, block) {
- "use strict";
- var res = this.scanDelims(cc);
- var numdelims = res.numdelims;
- var startpos = this.pos;
- if (numdelims === 0) {
- return false;
- }
- this.pos += numdelims;
- var node = text(this.subject.slice(startpos, this.pos));
- block.appendChild(node);
- // Add entry to stack for this opener
- this.delimiters = { cc: cc,
- numdelims: numdelims,
- node: node,
- previous: this.delimiters,
- next: null,
- can_open: res.can_open,
- can_close: res.can_close,
- active: true };
- if (this.delimiters.previous !== null) {
- this.delimiters.previous.next = this.delimiters;
- }
- return true;
- };
- var removeDelimiter = function(delim) {
- "use strict";
- if (delim.previous !== null) {
- delim.previous.next = delim.next;
- }
- if (delim.next === null) {
- // top of stack
- this.delimiters = delim.previous;
- } else {
- delim.next.previous = delim.previous;
- }
- };
- var processEmphasis = function(block, stack_bottom) {
- "use strict";
- var opener, closer;
- var opener_inl, closer_inl;
- var nextstack, tempstack;
- var use_delims;
- var tmp, next;
- // find first closer above stack_bottom:
- closer = this.delimiters;
- while (closer !== null && closer.previous !== stack_bottom) {
- closer = closer.previous;
- }
- // move forward, looking for closers, and handling each
- while (closer !== null) {
- if (closer.can_close && (closer.cc === C_UNDERSCORE || closer.cc === C_ASTERISK)) {
- // found emphasis closer. now look back for first matching opener:
- opener = closer.previous;
- while (opener !== null && opener !== stack_bottom) {
- if (opener.cc === closer.cc && opener.can_open) {
- break;
- }
- opener = opener.previous;
- }
- if (opener !== null && opener !== stack_bottom) {
- // calculate actual number of delimiters used from this closer
- if (closer.numdelims < 3 || opener.numdelims < 3) {
- use_delims = closer.numdelims <= opener.numdelims ?
- closer.numdelims : opener.numdelims;
- } else {
- use_delims = closer.numdelims % 2 === 0 ? 2 : 1;
- }
- opener_inl = opener.node;
- closer_inl = closer.node;
- // remove used delimiters from stack elts and inlines
- opener.numdelims -= use_delims;
- closer.numdelims -= use_delims;
- opener_inl.c = opener_inl.c.slice(0, opener_inl.c.length - use_delims);
- closer_inl.c = closer_inl.c.slice(0, closer_inl.c.length - use_delims);
- // build contents for new emph element
- var emph = new Node(use_delims === 1 ? 'Emph' : 'Strong');
- tmp = opener_inl.next;
- while (tmp && tmp !== closer_inl) {
- next = tmp.next;
- tmp.unlink();
- emph.appendChild(tmp);
- tmp = next;
- }
- opener_inl.insertAfter(emph);
- // remove elts btw opener and closer in delimiters stack
- tempstack = closer.previous;
- while (tempstack !== null && tempstack !== opener) {
- nextstack = tempstack.previous;
- this.removeDelimiter(tempstack);
- tempstack = nextstack;
- }
- // if opener has 0 delims, remove it and the inline
- if (opener.numdelims === 0) {
- opener_inl.unlink();
- this.removeDelimiter(opener);
- }
- if (closer.numdelims === 0) {
- closer_inl.unlink();
- tempstack = closer.next;
- this.removeDelimiter(closer);
- closer = tempstack;
- }
- } else {
- closer = closer.next;
- }
- } else {
- closer = closer.next;
- }
- }
- // remove all delimiters
- while (this.delimiters !== stack_bottom) {
- this.removeDelimiter(this.delimiters);
- }
- };
- // Attempt to parse link title (sans quotes), returning the string
- // or null if no match.
- var parseLinkTitle = function() {
- "use strict";
- var title = this.match(reLinkTitle);
- if (title) {
- // chop off quotes from title and unescape:
- return unescapeString(title.substr(1, title.length - 2));
- } else {
- return null;
- }
- };
- // Attempt to parse link destination, returning the string or
- // null if no match.
- var parseLinkDestination = function() {
- "use strict";
- var res = this.match(reLinkDestinationBraces);
- if (res) { // chop off surrounding <..>:
- return encodeURI(unescape(unescapeString(res.substr(1, res.length - 2))));
- } else {
- res = this.match(reLinkDestination);
- if (res !== null) {
- return encodeURI(unescape(unescapeString(res)));
- } else {
- return null;
- }
- }
- };
- // Attempt to parse a link label, returning number of characters parsed.
- var parseLinkLabel = function() {
- "use strict";
- var m = this.match(/^\[(?:[^\\\[\]]|\\[\[\]]){0,1000}\]/);
- return m === null ? 0 : m.length;
- };
- // Add open bracket to delimiter stack and add a text node to block's children.
- var parseOpenBracket = function(block) {
- "use strict";
- var startpos = this.pos;
- this.pos += 1;
- var node = text('[');
- block.appendChild(node);
- // Add entry to stack for this opener
- this.delimiters = { cc: C_OPEN_BRACKET,
- numdelims: 1,
- node: node,
- previous: this.delimiters,
- next: null,
- can_open: true,
- can_close: false,
- index: startpos,
- active: true };
- if (this.delimiters.previous !== null) {
- this.delimiters.previous.next = this.delimiters;
- }
- return true;
- };
- // IF next character is [, and ! delimiter to delimiter stack and
- // add a text node to block's children. Otherwise just add a text node.
- var parseBang = function(block) {
- "use strict";
- var startpos = this.pos;
- this.pos += 1;
- if (this.peek() === C_OPEN_BRACKET) {
- this.pos += 1;
- var node = text('![');
- block.appendChild(node);
- // Add entry to stack for this opener
- this.delimiters = { cc: C_BANG,
- numdelims: 1,
- node: node,
- previous: this.delimiters,
- next: null,
- can_open: true,
- can_close: false,
- index: startpos + 1,
- active: true };
- if (this.delimiters.previous !== null) {
- this.delimiters.previous.next = this.delimiters;
- }
- } else {
- block.appendChild(text('!'));
- }
- return true;
- };
- // Try to match close bracket against an opening in the delimiter
- // stack. Add either a link or image, or a plain [ character,
- // to block's children. If there is a matching delimiter,
- // remove it from the delimiter stack.
- var parseCloseBracket = function(block) {
- "use strict";
- var startpos;
- var is_image;
- var dest;
- var title;
- var matched = false;
- var reflabel;
- var opener;
- this.pos += 1;
- startpos = this.pos;
- // look through stack of delimiters for a [ or ![
- opener = this.delimiters;
- while (opener !== null) {
- if (opener.cc === C_OPEN_BRACKET || opener.cc === C_BANG) {
- break;
- }
- opener = opener.previous;
- }
- if (opener === null) {
- // no matched opener, just return a literal
- block.appendChild(text(']'));
- return true;
- }
- if (!opener.active) {
- // no matched opener, just return a literal
- block.appendChild(text(']'));
- // take opener off emphasis stack
- this.removeDelimiter(opener);
- return true;
- }
- // If we got here, open is a potential opener
- is_image = opener.cc === C_BANG;
- // Check to see if we have a link/image
- // Inline link?
- if (this.peek() === C_OPEN_PAREN) {
- this.pos++;
- if (this.spnl() &&
- ((dest = this.parseLinkDestination()) !== null) &&
- this.spnl() &&
- // make sure there's a space before the title:
- (/^\s/.test(this.subject.charAt(this.pos - 1)) &&
- (title = this.parseLinkTitle() || '') || true) &&
- this.spnl() &&
- this.match(/^\)/)) {
- matched = true;
- }
- } else {
- // Next, see if there's a link label
- var savepos = this.pos;
- this.spnl();
- var beforelabel = this.pos;
- var n = this.parseLinkLabel();
- if (n === 0 || n === 2) {
- // empty or missing second label
- reflabel = this.subject.slice(opener.index, startpos);
- } else {
- reflabel = this.subject.slice(beforelabel, beforelabel + n);
- }
- if (n === 0) {
- // If shortcut reference link, rewind before spaces we skipped.
- this.pos = savepos;
- }
- // lookup rawlabel in refmap
- var link = this.refmap[normalizeReference(reflabel)];
- if (link) {
- dest = link.destination;
- title = link.title;
- matched = true;
- }
- }
- if (matched) {
- var node = new Node(is_image ? 'Image' : 'Link');
- node.destination = dest;
- node.title = title;
- var tmp, next;
- tmp = opener.node.next;
- while (tmp) {
- next = tmp.next;
- tmp.unlink();
- node.appendChild(tmp);
- tmp = next;
- }
- block.appendChild(node);
- this.processEmphasis(node, opener.previous);
- opener.node.unlink();
- // processEmphasis will remove this and later delimiters.
- // Now, for a link, we also deactivate earlier link openers.
- // (no links in links)
- if (!is_image) {
- opener = this.delimiters;
- while (opener !== null) {
- if (opener.cc === C_OPEN_BRACKET) {
- opener.active = false; // deactivate this opener
- }
- opener = opener.previous;
- }
- }
- return true;
- } else { // no match
- this.removeDelimiter(opener); // remove this opener from stack
- this.pos = startpos;
- block.appendChild(text(']'));
- return true;
- }
- };
- // Attempt to parse an entity, return Entity object if successful.
- var parseEntity = function(block) {
- "use strict";
- var m;
- if ((m = this.match(reEntityHere))) {
- block.appendChild(text(entityToChar(m)));
- return true;
- } else {
- return false;
- }
- };
- // Parse a run of ordinary characters, or a single character with
- // a special meaning in markdown, as a plain string.
- var parseString = function(block) {
- "use strict";
- var m;
- if ((m = this.match(reMain))) {
- block.appendChild(text(m));
- return true;
- } else {
- return false;
- }
- };
- // Parse a newline. If it was preceded by two spaces, return a hard
- // line break; otherwise a soft line break.
- var parseNewline = function(block) {
- "use strict";
- var m = this.match(/^ *\n/);
- if (m) {
- var node = new Node(m.length > 2 ? 'Hardbreak' : 'Softbreak');
- block.appendChild(node);
- return true;
- } else {
- return false;
- }
- };
- // Attempt to parse a link reference, modifying refmap.
- var parseReference = function(s, refmap) {
- "use strict";
- this.subject = s;
- this.pos = 0;
- var rawlabel;
- var dest;
- var title;
- var matchChars;
- var startpos = this.pos;
- // label:
- matchChars = this.parseLinkLabel();
- if (matchChars === 0) {
- return 0;
- } else {
- rawlabel = this.subject.substr(0, matchChars);
- }
- // colon:
- if (this.peek() === C_COLON) {
- this.pos++;
- } else {
- this.pos = startpos;
- return 0;
- }
- // link url
- this.spnl();
- dest = this.parseLinkDestination();
- if (dest === null || dest.length === 0) {
- this.pos = startpos;
- return 0;
- }
- var beforetitle = this.pos;
- this.spnl();
- title = this.parseLinkTitle();
- if (title === null) {
- title = '';
- // rewind before spaces
- this.pos = beforetitle;
- }
- // make sure we're at line end:
- if (this.match(/^ *(?:\n|$)/) === null) {
- this.pos = startpos;
- return 0;
- }
- var normlabel = normalizeReference(rawlabel);
- if (!refmap[normlabel]) {
- refmap[normlabel] = { destination: dest, title: title };
- }
- return this.pos - startpos;
- };
- // Parse the next inline element in subject, advancing subject position.
- // On success, add the result to block's children and return true.
- // On failure, return false.
- var parseInline = function(block) {
- "use strict";
- var c = this.peek();
- if (c === -1) {
- return false;
- }
- var res;
- switch(c) {
- case C_NEWLINE:
- case C_SPACE:
- res = this.parseNewline(block);
- break;
- case C_BACKSLASH:
- res = this.parseBackslash(block);
- break;
- case C_BACKTICK:
- res = this.parseBackticks(block);
- break;
- case C_ASTERISK:
- case C_UNDERSCORE:
- res = this.parseEmphasis(c, block);
- break;
- case C_OPEN_BRACKET:
- res = this.parseOpenBracket(block);
- break;
- case C_BANG:
- res = this.parseBang(block);
- break;
- case C_CLOSE_BRACKET:
- res = this.parseCloseBracket(block);
- break;
- case C_LESSTHAN:
- res = this.parseAutolink(block) || this.parseHtmlTag(block);
- break;
- case C_AMPERSAND:
- res = this.parseEntity(block);
- break;
- default:
- res = this.parseString(block);
- break;
- }
- if (!res) {
- this.pos += 1;
- var textnode = new Node('Text');
- textnode.c = fromCodePoint(c);
- block.appendChild(textnode);
- }
- return true;
- };
- // Parse string_content in block into inline children,
- // using refmap to resolve references.
- var parseInlines = function(block, refmap) {
- "use strict";
- this.subject = block.string_content.trim();
- this.pos = 0;
- this.refmap = refmap || {};
- this.delimiters = null;
- while (this.parseInline(block)) {
- }
- this.processEmphasis(block, null);
- };
- // The InlineParser object.
- function InlineParser(){
- "use strict";
- return {
- subject: '',
- delimiters: null, // used by parseEmphasis method
- pos: 0,
- refmap: {},
- match: match,
- peek: peek,
- spnl: spnl,
- unescapeString: unescapeString,
- parseBackticks: parseBackticks,
- parseBackslash: parseBackslash,
- parseAutolink: parseAutolink,
- parseHtmlTag: parseHtmlTag,
- scanDelims: scanDelims,
- parseEmphasis: parseEmphasis,
- parseLinkTitle: parseLinkTitle,
- parseLinkDestination: parseLinkDestination,
- parseLinkLabel: parseLinkLabel,
- parseOpenBracket: parseOpenBracket,
- parseCloseBracket: parseCloseBracket,
- parseBang: parseBang,
- parseEntity: parseEntity,
- parseString: parseString,
- parseNewline: parseNewline,
- parseReference: parseReference,
- parseInline: parseInline,
- processEmphasis: processEmphasis,
- removeDelimiter: removeDelimiter,
- parse: parseInlines
- };
- }
- module.exports = InlineParser;
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