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authorJohn MacFarlane <jgm@berkeley.edu>2015-01-24 11:07:01 -0800
committerJohn MacFarlane <jgm@berkeley.edu>2015-01-24 11:07:01 -0800
commitd6c615f2680e79bbb76cc85a056aadfe3524513f (patch)
tree1df0b3fe4a85a6ffcbaf06809318fc40ed062708 /js/lib/inlines.js
parent31530d93448bdf93c0797540a73c6b67586ad5e1 (diff)
Removed JS implementation, which is moving to its own repo:
<https://github.com/jgm/commonmark.js>
Diffstat (limited to 'js/lib/inlines.js')
-rw-r--r--js/lib/inlines.js833
1 files changed, 0 insertions, 833 deletions
diff --git a/js/lib/inlines.js b/js/lib/inlines.js
deleted file mode 100644
index 236fd5f..0000000
--- a/js/lib/inlines.js
+++ /dev/null
@@ -1,833 +0,0 @@
-"use strict";
-
-var Node = require('./node');
-var common = require('./common');
-var normalizeReference = require('./normalize-reference');
-
-var normalizeURI = common.normalizeURI;
-var unescapeString = common.unescapeString;
-var fromCodePoint = require('./from-code-point.js');
-var entityToChar = require('./html5-entities.js').entityToChar;
-
-// Constants for character codes:
-
-var C_NEWLINE = 10;
-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 reEntityHere = new RegExp('^' + ENTITY, 'i');
-
-var reTicks = new RegExp('`+');
-
-var reTicksHere = new RegExp('^`+');
-
-var reEmailAutolink = /^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/;
-
-var reAutolink = /^<(?:coap|doi|javascript|aaa|aaas|about|acap|cap|cid|crid|data|dav|dict|dns|file|ftp|geo|go|gopher|h323|http|https|iax|icap|im|imap|info|ipp|iris|iris.beep|iris.xpc|iris.xpcs|iris.lwz|ldap|mailto|mid|msrp|msrps|mtqp|mupdate|news|nfs|ni|nih|nntp|opaquelocktoken|pop|pres|rtsp|service|session|shttp|sieve|sip|sips|sms|snmp|soap.beep|soap.beeps|tag|tel|telnet|tftp|thismessage|tn3270|tip|tv|urn|vemmi|ws|wss|xcon|xcon-userid|xmlrpc.beep|xmlrpc.beeps|xmpp|z39.50r|z39.50s|adiumxtra|afp|afs|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|chrome|chrome-extension|com-eventbrite-attendee|content|cvs|dlna-playsingle|dlna-playcontainer|dtn|dvb|ed2k|facetime|feed|finger|fish|gg|git|gizmoproject|gtalk|hcp|icon|ipn|irc|irc6|ircs|itms|jar|jms|keyparc|lastfm|ldaps|magnet|maps|market|message|mms|ms-help|msnim|mumble|mvn|notes|oid|palm|paparazzi|platform|proxy|psyc|query|res|resource|rmi|rsync|rtmp|secondlife|sftp|sgn|skype|smb|soldat|spotify|ssh|steam|svn|teamspeak|things|udp|unreal|ut2004|ventrilo|view-source|webcal|wtai|wyciwyg|xfire|xri|ymsgr):[^<>\x00-\x20]*>/i;
-
-var reSpnl = /^ *(?:\n *)?/;
-
-var reWhitespaceChar = /^\s/;
-
-var reWhitespace = /\s+/g;
-
-var reFinalSpace = / *$/;
-
-var reInitialSpace = /^ */;
-
-var reLinkLabel = /^\[(?:[^\\\[\]]|\\[\[\]]){0,1000}\]/;
-
-// Matches a string of non-special characters.
-var reMain = /^[^\n`\[\]\\!<&*_]+/m;
-
-var text = function(s) {
- var node = new Node('Text');
- node._literal = 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) {
- 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() {
- 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() {
- this.match(reSpnl);
- 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) {
- var ticks = this.match(reTicksHere);
- if (!ticks) {
- return 0;
- }
- var afterOpenTicks = this.pos;
- var foundCode = false;
- var matched;
- var node;
- while (!foundCode && (matched = this.match(reTicks))) {
- if (matched === ticks) {
- node = new Node('Code');
- node._literal = this.subject.slice(afterOpenTicks,
- this.pos - ticks.length)
- .trim().replace(reWhitespace, ' ');
- 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) {
- 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) {
- var m;
- var dest;
- var node;
- if ((m = this.match(reEmailAutolink))) {
- dest = m.slice(1, -1);
- node = new Node('Link');
- node._destination = normalizeURI('mailto:' + dest);
- node._title = '';
- node.appendChild(text(dest));
- block.appendChild(node);
- return true;
- } else if ((m = this.match(reAutolink))) {
- dest = m.slice(1, -1);
- node = new Node('Link');
- node._destination = normalizeURI(dest);
- node._title = '';
- node.appendChild(text(dest));
- block.appendChild(node);
- return true;
- } else {
- return false;
- }
-};
-
-// Attempt to parse a raw HTML tag.
-var parseHtmlTag = function(block) {
- var m = this.match(reHtmlTag);
- var node;
- if (m) {
- node = new Node('Html');
- node._literal = 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) {
- var numdelims = 0;
- var char_before, char_after, cc_after;
- var startpos = this.pos;
- var left_flanking, right_flanking, can_open, can_close;
-
- 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);
- }
-
- left_flanking = numdelims > 0 &&
- !(reWhitespaceChar.test(char_after)) &&
- !(rePunctuation.test(char_after) &&
- !(/\s/.test(char_before)) &&
- !(rePunctuation.test(char_before)));
- right_flanking = numdelims > 0 &&
- !(reWhitespaceChar.test(char_before)) &&
- !(rePunctuation.test(char_before) &&
- !(reWhitespaceChar.test(char_after)) &&
- !(rePunctuation.test(char_after)));
- if (cc === C_UNDERSCORE) {
- can_open = left_flanking && !right_flanking;
- can_close = right_flanking && !left_flanking;
- } else {
- can_open = left_flanking;
- can_close = right_flanking;
- }
- 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) {
- 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) {
- 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) {
- 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._literal =
- opener_inl._literal.slice(0,
- opener_inl._literal.length - use_delims);
- closer_inl._literal =
- closer_inl._literal.slice(0,
- closer_inl._literal.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() {
- 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() {
- var res = this.match(reLinkDestinationBraces);
- if (res) { // chop off surrounding <..>:
- return normalizeURI(unescapeString(res.substr(1, res.length - 2)));
- } else {
- res = this.match(reLinkDestination);
- if (res !== null) {
- return normalizeURI(unescapeString(res));
- } else {
- return null;
- }
- }
-};
-
-// Attempt to parse a link label, returning number of characters parsed.
-var parseLinkLabel = function() {
- var m = this.match(reLinkLabel);
- 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) {
- 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) {
- 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) {
- 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:
- (reWhitespaceChar.test(this.subject.charAt(this.pos - 1)) &&
- (title = this.parseLinkTitle()) || true) &&
- this.spnl() &&
- this.subject.charAt(this.pos) === ')') {
- this.pos += 1;
- 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) {
- 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) {
- 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) {
- this.pos += 1; // assume we're at a \n
- // check previous node for trailing spaces
- var lastc = block._lastChild;
- if (lastc && lastc.type === 'Text') {
- var sps = reFinalSpace.exec(lastc._literal)[0].length;
- if (sps > 0) {
- lastc._literal = lastc._literal.replace(reFinalSpace, '');
- }
- block.appendChild(new Node(sps >= 2 ? 'Hardbreak' : 'Softbreak'));
- } else {
- block.appendChild(new Node('Softbreak'));
- }
- this.match(reInitialSpace); // gobble leading spaces in next line
- return true;
-};
-
-// Attempt to parse a link reference, modifying refmap.
-var parseReference = function(s, refmap) {
- 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) {
- var res = false;
- var c = this.peek();
- if (c === -1) {
- return false;
- }
- switch(c) {
- case C_NEWLINE:
- 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._literal = 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) {
- 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(){
- return {
- subject: '',
- delimiters: null, // used by parseEmphasis method
- pos: 0,
- refmap: {},
- match: match,
- peek: peek,
- spnl: spnl,
- 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;