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-rwxr-xr-xjs/stmd.js233
1 files changed, 131 insertions, 102 deletions
diff --git a/js/stmd.js b/js/stmd.js
index 4ca38cc..efccad8 100755
--- a/js/stmd.js
+++ b/js/stmd.js
@@ -2325,7 +2325,7 @@
// Attempt to parse backticks, returning either a backtick code span or a
// literal sequence of backticks.
- var parseBackticks = function() {
+ var parseBackticks = function(inlines) {
var startpos = this.pos;
var ticks = this.match(/^`+/);
if (!ticks) {
@@ -2336,65 +2336,73 @@
var match;
while (!foundCode && (match = this.match(/`+/m))) {
if (match == ticks) {
- return [{ t: 'Code', c: this.subject.slice(afterOpenTicks,
+ inlines.push({ t: 'Code', c: this.subject.slice(afterOpenTicks,
this.pos - ticks.length)
.replace(/[ \n]+/g,' ')
- .trim() }];
+ .trim() });
+ return true;
}
}
// If we got here, we didn't match a closing backtick sequence.
this.pos = afterOpenTicks;
- return [{ t: 'Str', c: ticks }];
+ inlines.push({ t: 'Str', c: 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 'inlines' list.
- var parseBackslash = function() {
+ var parseBackslash = function(inlines) {
var subj = this.subject,
pos = this.pos;
if (subj.charCodeAt(pos) === C_BACKSLASH) {
if (subj.charAt(pos + 1) === '\n') {
this.pos = this.pos + 2;
- return [{ t: 'Hardbreak' }];
+ inlines.push({ t: 'Hardbreak' });
} else if (reEscapable.test(subj.charAt(pos + 1))) {
this.pos = this.pos + 2;
- return [{ t: 'Str', c: subj.charAt(pos + 1) }];
+ inlines.push({ t: 'Str', c: subj.charAt(pos + 1) });
} else {
this.pos++;
- return [{t: 'Str', c: '\\'}];
+ inlines.push({t: 'Str', c: '\\'});
}
+ return true;
} else {
- return null;
+ return false;
}
};
// Attempt to parse an autolink (URL or email in pointy brackets).
- var parseAutolink = function() {
+ var parseAutolink = function(inlines) {
var m;
var dest;
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);
- return [{t: 'Link',
+ inlines.push(
+ {t: 'Link',
label: [{ t: 'Str', c: dest }],
- destination: 'mailto:' + encodeURI(unescape(dest)) }];
+ destination: 'mailto:' + encodeURI(unescape(dest)) });
+ 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);
- return [{ t: 'Link',
+ inlines.push({
+ t: 'Link',
label: [{ t: 'Str', c: dest }],
- destination: encodeURI(unescape(dest)) }];
+ destination: encodeURI(unescape(dest)) });
+ return true;
} else {
- return null;
+ return false;
}
};
// Attempt to parse a raw HTML tag.
- var parseHtmlTag = function() {
+ var parseHtmlTag = function(inlines) {
var m = this.match(reHtmlTag);
if (m) {
- return [{ t: 'Html', c: m }];
+ inlines.push({ t: 'Html', c: m });
+ return true;
} else {
- return null;
+ return false;
}
};
@@ -2448,7 +2456,7 @@
}
// Attempt to parse emphasis or strong emphasis.
- var parseEmphasis = function(cc) {
+ var parseEmphasis = function(cc,inlines) {
var startpos = this.pos;
var c ;
var first_close = 0;
@@ -2456,7 +2464,6 @@
var numdelims;
var delimpos;
- var inlines = [];
// Get opening delimiters.
res = this.scanDelims(cc);
@@ -2464,18 +2471,18 @@
if (numdelims === 0) {
this.pos = startpos;
- return null;
+ return false;
}
if (numdelims >= 4 || !res.can_open) {
this.pos += numdelims;
- return [Str(this.subject.slice(startpos, startpos + numdelims))];
+ inlines.push(Str(this.subject.slice(startpos, startpos + numdelims)));
+ return true;
}
this.pos += numdelims;
var fallbackpos = this.pos;
- var fallback = Str(this.subject.slice(startpos, fallbackpos));
var next_inline;
var first = [];
@@ -2495,7 +2502,7 @@
}
while (true) {
- if (this.last_emphasis_closer[cc] < this.pos) {
+ if (this.last_emphasis_closer[c] < this.pos) {
break;
}
res = this.scanDelims(cc);
@@ -2511,7 +2518,8 @@
case 1: // ***a
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong([Emph(first)])];
+ inlines.push(Strong([Emph(first)]));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
current = second;
@@ -2527,7 +2535,8 @@
case 2: // **a
if (numdelims === 2 && can_close) {
this.pos += 2;
- return [Strong(first)];
+ inlines.push(Strong(first));
+ return true;
} else if (numdelims === 1 && can_open) {
this.pos += 1;
current = second;
@@ -2538,7 +2547,8 @@
case 3: // *a
if (numdelims === 1 && can_close) {
this.pos += 1;
- return [Emph(first)];
+ inlines.push(Emph(first));
+ return true;
} else if (numdelims === 2 && can_open) {
this.pos += 2;
current = second;
@@ -2549,56 +2559,68 @@
case 4: // ***a**b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong([Emph(first.concat([Str(c+c)], second))])];
+ inlines.push(Strong([Emph(first.concat([Str(c+c)], second))]));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
- return [Strong([Str(c+c+c)].concat(
+ inlines.push(Strong([Str(c+c+c)].concat(
first,
- [Strong(second)]))];
+ [Strong(second)])));
+ return true;
} else if (numdelims === 1 && can_close) {
this.pos += 1;
- return [Emph([Strong(first)].concat(second))];
+ inlines.push(Emph([Strong(first)].concat(second)));
+ return true;
}
break;
case 5: // ***a*b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong([Emph(first.concat([Str(c)], second))])];
+ inlines.push(Strong([Emph(first.concat([Str(c)], second))]));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
- return [Strong([Emph(first)].concat(second))];
+ inlines.push(Strong([Emph(first)].concat(second)));
+ return true;
} else if (numdelims === 1 && can_close) {
this.pos += 1;
- return [Strong([Str(c+c+c)].concat(
+ inlines.push(Strong([Str(c+c+c)].concat(
first,
- [Emph(second)]))];
+ [Emph(second)])));
+ return true;
}
break;
case 6: // ***a** b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong([Emph(first.concat([Str(c+c)], second))])];
+ inlines.push(Strong([Emph(first.concat([Str(c+c)], second))]));
+ return true;
} else if (numdelims === 1 && can_close) {
this.pos += 1;
- return [Emph([Strong(first)].concat(second))];
+ inlines.push(Emph([Strong(first)].concat(second)));
+ return true;
}
break;
case 7: // ***a* b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong([Emph(first.concat([Str(c)], second))])];
+ inlines.push(Strong([Emph(first.concat([Str(c)], second))]));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
- return [Strong([Emph(first)].concat(second))];
+ inlines.push(Strong([Emph(first)].concat(second)));
+ return true;
}
break;
case 8: // **a *b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [Strong(first.concat([Emph(second)]))];
+ inlines.push(Strong(first.concat([Emph(second)])));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
- return [Strong(first.concat([Str(c)], second))];
+ inlines.push(Strong(first.concat([Str(c)], second)));
+ return true;
} else if (numdelims === 1 && can_close) {
this.pos += 1;
first.push(Emph(second));
@@ -2610,7 +2632,8 @@
case 9: // *a **b
if (numdelims === 3 && can_close) {
this.pos += 3;
- return [(Emph(first.concat([Strong(second)])))];
+ inlines.push(Emph(first.concat([Strong(second)])));
+ return true;
} else if (numdelims === 2 && can_close) {
this.pos += 2;
first.push(Strong(second));
@@ -2619,7 +2642,8 @@
continue;
} else if (numdelims === 1 && can_close) {
this.pos += 1;
- return [Emph(first.concat([Str(c+c)], second))];
+ inlines.push(Emph(first.concat([Str(c+c)], second)));
+ return true;
}
break;
default:
@@ -2627,9 +2651,7 @@
}
}
- if ((next_inline = this.parseInline(true))) {
- Array.prototype.push.apply(current, next_inline);
- } else {
+ if (!(this.parseInline(current,true))) {
break;
}
@@ -2638,9 +2660,10 @@
// we didn't match emphasis: fallback
this.pos = fallbackpos;
if (last_emphasis_closer) {
- this.last_emphasis_closer[cc] = last_emphasis_closer;
+ this.last_emphasis_closer[c] = last_emphasis_closer;
}
- return [fallback];
+ inlines.push(Str(this.subject.slice(startpos, fallbackpos)));
+ return true;
};
@@ -2694,10 +2717,10 @@
while ((c = this.peek()) && c != -1 && (c != C_CLOSE_BRACKET || nest_level > 0)) {
switch (c) {
case C_BACKTICK:
- this.parseBackticks();
+ this.parseBackticks([]);
break;
case C_LESSTHAN:
- this.parseAutolink() || this.parseHtmlTag() ||
+ this.parseAutolink([]) || this.parseHtmlTag([]) ||
this.pos++;
break;
case C_OPEN_BRACKET: // nested []
@@ -2709,10 +2732,10 @@
this.pos++;
break;
case C_BACKSLASH:
- this.parseBackslash();
+ this.parseBackslash([]);
break;
default:
- this.parseString();
+ this.parseString([]);
}
}
if (c === C_CLOSE_BRACKET) {
@@ -2737,7 +2760,7 @@
};
// Attempt to parse a link. If successful, return the link.
- var parseLink = function() {
+ var parseLink = function(inlines) {
var startpos = this.pos;
var reflabel;
var n;
@@ -2746,7 +2769,7 @@
n = this.parseLinkLabel();
if (n === 0) {
- return null;
+ return false;
}
var afterlabel = this.pos;
var rawlabel = this.subject.substr(startpos, n);
@@ -2763,13 +2786,14 @@
(title = this.parseLinkTitle() || '') || true) &&
this.spnl() &&
this.match(/^\)/)) {
- return [{ t: 'Link',
+ inlines.push({ t: 'Link',
destination: dest,
title: title,
- label: parseRawLabel(rawlabel) }];
+ label: parseRawLabel(rawlabel) });
+ return true;
} else {
this.pos = startpos;
- return null;
+ return false;
}
}
// If we're here, it wasn't an explicit link. Try to parse a reference link.
@@ -2790,67 +2814,72 @@
// lookup rawlabel in refmap
var link = this.refmap[normalizeReference(reflabel)];
if (link) {
- return [{t: 'Link',
+ inlines.push({t: 'Link',
destination: link.destination,
title: link.title,
- label: parseRawLabel(rawlabel) }];
+ label: parseRawLabel(rawlabel) });
+ return true;
} else {
this.pos = startpos;
- return null;
+ return false;
}
// Nothing worked, rewind:
this.pos = startpos;
- return null;
+ return false;
};
// Attempt to parse an entity, return Entity object if successful.
- var parseEntity = function() {
+ var parseEntity = function(inlines) {
var m;
if ((m = this.match(reEntityHere))) {
- return [{ t: 'Str', c: entityToChar(m) }];
+ inlines.push({ t: 'Str', c: entityToChar(m) });
+ return true;
} else {
- return null;
+ return false;
}
};
// Parse a run of ordinary characters, or a single character with
// a special meaning in markdown, as a plain string, adding to inlines.
- var parseString = function() {
+ var parseString = function(inlines) {
var m;
if ((m = this.match(reMain))) {
- return [{ t: 'Str', c: m }];
+ inlines.push({ t: 'Str', c: m });
+ return true;
} else {
- return null;
+ 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() {
+ var parseNewline = function(inlines) {
var m = this.match(/^ *\n/);
if (m) {
if (m.length > 2) {
- return [{ t: 'Hardbreak' }];
+ inlines.push({ t: 'Hardbreak' });
} else if (m.length > 0) {
- return [{ t: 'Softbreak' }];
+ inlines.push({ t: 'Softbreak' });
}
+ return true;
}
- return null;
+ return false;
};
// Attempt to parse an image. If the opening '!' is not followed
// by a link, return a literal '!'.
- var parseImage = function() {
+ var parseImage = function(inlines) {
if (this.match(/^!/)) {
- var link = this.parseLink();
+ var link = this.parseLink(inlines);
if (link) {
- link[0].t = 'Image';
- return link;
+ inlines[inlines.length - 1].t = 'Image';
+ return true;
} else {
- return [{ t: 'Str', c: '!' }];
+ inlines.push({ t: 'Str', c: '!' });
+ return true;
}
} else {
- return null;
+ return false;
}
};
@@ -2913,64 +2942,66 @@
return this.pos - startpos;
};
- // Parse the next inline element in subject, advancing subject position
- // and returning the inline parsed.
- var parseInline = function(memoize) {
+ // Parse the next inline element in subject, advancing subject position.
+ // If memoize is set, memoize the result.
+ // On success, add the result to the inlines list, and return true.
+ // On failure, return false.
+ var parseInline = function(inlines, memoize) {
var startpos = this.pos;
-
+ var origlen = inlines.length;
var memoized = memoize && this.memo[startpos];
if (memoized) {
this.pos = memoized.endpos;
- return memoized.inline;
+ Array.prototype.push.apply(inlines, memoized.inline);
+ return true;
}
var c = this.peek();
if (c === -1) {
- return null;
+ return false;
}
var res;
switch(c) {
case C_NEWLINE:
case C_SPACE:
- res = this.parseNewline();
+ res = this.parseNewline(inlines);
break;
case C_BACKSLASH:
- res = this.parseBackslash();
+ res = this.parseBackslash(inlines);
break;
case C_BACKTICK:
- res = this.parseBackticks();
+ res = this.parseBackticks(inlines);
break;
case C_ASTERISK:
case C_UNDERSCORE:
- res = this.parseEmphasis(c);
+ res = this.parseEmphasis(c, inlines);
break;
case C_OPEN_BRACKET:
- res = this.parseLink();
+ res = this.parseLink(inlines);
break;
case C_BANG:
- res = this.parseImage();
+ res = this.parseImage(inlines);
break;
case C_LESSTHAN:
- res = this.parseAutolink() || this.parseHtmlTag();
+ res = this.parseAutolink(inlines) || this.parseHtmlTag(inlines);
break;
case C_AMPERSAND:
- res = this.parseEntity();
+ res = this.parseEntity(inlines);
break;
default:
- res = this.parseString();
+ res = this.parseString(inlines);
break;
}
- if (res === null) {
+ if (!res) {
this.pos += 1;
- res = [{t: 'Str', c: String.fromCharCode(c)}];
+ inlines.push({t: 'Str', c: String.fromCharCode(c)});
}
- if (res && memoize) {
- this.memo[startpos] = { inline: res,
+ if (memoize) {
+ this.memo[startpos] = { inline: inlines.slice(origlen),
endpos: this.pos };
}
-
- return res;
+ return true;
};
// Parse s as a list of inlines, using refmap to resolve references.
@@ -2979,11 +3010,9 @@
this.pos = 0;
this.refmap = refmap || {};
this.memo = {};
- this.last_emphasis_closer = { C_ASTERISK: s.length, C_UNDERSCORE: s.length };
+ this.last_emphasis_closer = { '*': s.length, '_': s.length };
var inlines = [];
- var next_inline;
- while ((next_inline = this.parseInline())) {
- Array.prototype.push.apply(inlines, next_inline);
+ while (this.parseInline(inlines, false)) {
}
return inlines;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 01:21:36 +0000