From 3393022ab6b943f72f2fa591aa98391538a5fbdf Mon Sep 17 00:00:00 2001
From: yuin <yuin@inforno.net>
Date: Thu, 21 May 2020 18:13:20 +0900
Subject: [PATCH] Fixes #39, Fixes #127, Fixes #128, Fixes #129

---
 extension/_test/typographer.txt | 41 +++++++++++++++++++++++++++++++++
 extension/typographer.go        | 20 ++++++++++++++--
 2 files changed, 59 insertions(+), 2 deletions(-)

diff --git a/extension/_test/typographer.txt b/extension/_test/typographer.txt
index 80975ac..d99a6ac 100644
--- a/extension/_test/typographer.txt
+++ b/extension/_test/typographer.txt
@@ -25,3 +25,44 @@ Some say '90s, others say 90's, but I can't say which is best.
 //- - - - - - - - -//
 <p>Some say &rsquo;90s, others say 90&rsquo;s, but I can&rsquo;t say which is best.</p>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
+
+5
+//- - - - - - - - -//
+[Cat][]'s Pajamas
+
+[Cat]: http://example.com
+//- - - - - - - - -//
+<p><a href="http://example.com">Cat</a>&rsquo;s Pajamas</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+6
+//- - - - - - - - -//
+reported "issue 1 (IE-only)"
+//- - - - - - - - -//
+<p>reported &ldquo;issue 1 (IE-only)&rdquo;</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+7
+//- - - - - - - - -//
+Yahoo!'s
+//- - - - - - - - -//
+<p>Yahoo!&rsquo;s</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+8
+//- - - - - - - - -//
+Alice's, I'm ,Don't, You'd
+
+I've, I'll, You're
+//- - - - - - - - -//
+<p>Alice&rsquo;s, I&rsquo;m ,Don&rsquo;t, You&rsquo;d</p>
+<p>I&rsquo;ve, I&rsquo;ll, You&rsquo;re</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+9
+//- - - - - - - - -//
+My height is 5'6"".
+//- - - - - - - - -//
+<p>My height is 5'6&quot;&quot;.</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
diff --git a/extension/typographer.go b/extension/typographer.go
index c3b9751..47e55d2 100644
--- a/extension/typographer.go
+++ b/extension/typographer.go
@@ -143,7 +143,6 @@ func (s *typographerParser) Trigger() []byte {
 }
 
 func (s *typographerParser) Parse(parent gast.Node, block text.Reader, pc parser.Context) gast.Node {
-	before := block.PrecendingCharacter()
 	line, _ := block.PeekLine()
 	c := line[0]
 	if len(line) > 2 {
@@ -189,6 +188,7 @@ func (s *typographerParser) Parse(parent gast.Node, block text.Reader, pc parser
 		}
 	}
 	if c == '\'' || c == '"' {
+		before := block.PrecendingCharacter()
 		d := parser.ScanDelimiter(line, before, 1, defaultTypographerDelimiterProcessor)
 		if d == nil {
 			return nil
@@ -218,7 +218,17 @@ func (s *typographerParser) Parse(parent gast.Node, block text.Reader, pc parser
 				}
 			}
 			if s.Substitutions[LeftSingleQuote] != nil && d.CanOpen && !d.CanClose {
-				node := gast.NewString(s.Substitutions[LeftSingleQuote])
+				nt := LeftSingleQuote
+				// special cases: Alice's, I'm ,Don't, You'd
+				if len(line) > 1 && (line[1] == 's' || line[1] == 'm' || line[1] == 't' || line[1] == 'd') && (len(line) < 3 || util.IsPunct(line[2]) || util.IsSpace(line[2])) {
+					nt = RightSingleQuote
+				}
+				// special cases: I've, I'll, You're
+				if len(line) > 2 && ((line[1] == 'v' && line[2] == 'e') || (line[1] == 'l' && line[2] == 'l') || (line[1] == 'r' && line[2] == 'e')) && (len(line) < 4 || util.IsPunct(line[3]) || util.IsSpace(line[3])) {
+					nt = RightSingleQuote
+				}
+
+				node := gast.NewString(s.Substitutions[nt])
 				node.SetCode(true)
 				block.Advance(1)
 				return node
@@ -231,6 +241,12 @@ func (s *typographerParser) Parse(parent gast.Node, block text.Reader, pc parser
 			}
 		}
 		if c == '"' {
+			// special case: 7'1""
+			if len(line) > 1 && line[1] == '"' && unicode.IsDigit(before) {
+				node := gast.NewString(line[0:2])
+				block.Advance(2)
+				return node
+			}
 			if s.Substitutions[LeftDoubleQuote] != nil && d.CanOpen && !d.CanClose {
 				node := gast.NewString(s.Substitutions[LeftDoubleQuote])
 				node.SetCode(true)