diff options
author | John MacFarlane <jgm@berkeley.edu> | 2014-09-09 22:23:42 -0700 |
---|---|---|
committer | John MacFarlane <jgm@berkeley.edu> | 2014-09-11 11:17:41 -0700 |
commit | 977d40f2789eb4e22ba8380e99eab77e5860c21b (patch) | |
tree | 746719402aa27a37173bf4d3d25ce98d88f75548 | |
parent | e829aaf75ff5feb57c9c0f1a0cd260903116752a (diff) |
Simplified parseEmphasis.
-rwxr-xr-x | js/stmd.js | 73 |
1 files changed, 16 insertions, 57 deletions
@@ -289,73 +289,32 @@ var parseEmphasis = function() { this.pos += numdelims; - var first_close_delims = 0; var next_inline; - switch (numdelims) { - case 1: // we started with * or _ - while (true) { - res = this.scanDelims(c); - if (res.numdelims >= 1 && res.can_close) { - this.pos += 1; - return {t: 'Emph', c: inlines}; - } else if (next_inline = this.parseInline()) { - inlines.push(next_inline); - } else { - // didn't find closing delimiter - this.pos = startpos; - return null; - } - } - break; - - case 2: // We started with ** or __ - while (true) { - res = this.scanDelims(c); - if (res.numdelims >= 2 && res.can_close) { - this.pos += 2; - return {t: 'Strong', c: inlines}; - } else if (next_inline = this.parseInline()) { - inlines.push(next_inline); - } else { - // didn't find closing delimiter - this.pos = startpos; - return null; - } - } - break; - - case 3: // We started with *** or ___ - var first_delim = 0; + var delims_to_match = numdelims; while (true) { res = this.scanDelims(c); - var numdelims = res.numdelims; - var can_close = res.can_close; - this.pos += numdelims; - if (can_close && numdelims === 3 && first_delim === 0) { - return {t: 'Strong', c: [{t: 'Emph', c: inlines}]}; - } else if (can_close && numdelims === 2 && first_delim === 0) { - first_delim = 2; - inlines = [{t: 'Strong', c: inlines}]; - } else if (can_close && numdelims === 1 && first_delim === 0) { - first_delim = 1; - inlines = [{t: 'Emph', c: inlines}]; - } else if (can_close && numdelims === 2 && first_delim === 1) { - return {t: 'Strong', c: inlines}; - } else if (can_close && numdelims === 1 && first_delim === 2) { - return {t: 'Emph', c: inlines}; + if (res.can_close) { + if (res.numdelims >= 2 && delims_to_match >= 2) { + delims_to_match -= 2; + this.pos += 2; + inlines = [{t: 'Strong', c: inlines}]; + } else if (res.numdelims >= 1 && delims_to_match >= 1) { + delims_to_match -= 1; + this.pos += 1; + inlines = [{t: 'Emph', c: inlines}]; + } + if (delims_to_match === 0) { + return inlines[0]; + } } else if (next_inline = this.parseInline()) { inlines.push(next_inline); } else { // didn't find closing delimiter - this.pos = startpos; - return null; + this.pos = startpos + numdelims; + return {t: 'Str', c: this.subject.slice(startpos, startpos + numdelims)}; } } - break; - - default: // shouldn't happen - } return null; }; |