From 5f4242c359436d99bb59aa9d75fc6301b8bae28d Mon Sep 17 00:00:00 2001
From: "Fletcher T. Penney" <fletcher@fletcherpenney.net>
Date: Sun, 12 Feb 2017 17:12:55 -0500
Subject: [PATCH] ADDED: Support \autoref{} in LaTeX

---
 src/latex.c                            | 25 ++++++++++++++++++++++++-
 tests/MMD6Tests/Advanced Headers.html  | 10 ++++++++++
 tests/MMD6Tests/Advanced Headers.htmlc |  9 +++++++++
 tests/MMD6Tests/Advanced Headers.tex   | 17 ++++++++++++++---
 tests/MMD6Tests/Advanced Headers.text  | 10 ++++++++++
 tests/MMD6Tests/Integrated.html        |  4 ++++
 tests/MMD6Tests/Integrated.htmlc       |  4 ++++
 tests/MMD6Tests/Integrated.tex         |  3 +++
 tests/MMD6Tests/Integrated.text        |  4 ++++
 9 files changed, 82 insertions(+), 4 deletions(-)

diff --git a/src/latex.c b/src/latex.c
index 4c17458..392112b 100644
--- a/src/latex.c
+++ b/src/latex.c
@@ -203,9 +203,32 @@ void mmd_print_localized_char_latex(DString * out, unsigned short type, scratch_
 
 void mmd_export_link_latex(DString * out, const char * source, token * text, link * link, scratch_pad * scratch) {
 	attr * a = link->attributes;
+	char * temp_char;
 
 	if (link->url) {
-		printf("\\href{%s}", link->url);
+		if (link->url[0] == '#') {
+			// Internal link
+			if (text && text->child) {
+				temp_char = label_from_token(source, text);
+
+				if (strcmp(temp_char, &(link->url[1])) == 0) {
+					// [bar][bar] or [bar](#bar) or [bar]
+					printf("\\autoref{%s}", &(link->url)[1]);
+				} else {
+					mmd_export_token_tree_latex(out, source, text->child, scratch);
+					print(" (");
+					printf("\\autoref{%s}", &(link->url)[1]);
+					print(")");
+				}
+
+				free(temp_char);
+			} else {
+				printf("\\autoref{%s}", &(link->url)[1]);
+			}
+			return;
+		} else {
+			printf("\\href{%s}", link->url);			
+		}
 	} else
 		print("\\href{}");
 
diff --git a/tests/MMD6Tests/Advanced Headers.html b/tests/MMD6Tests/Advanced Headers.html
index c2735d9..6267cfc 100644
--- a/tests/MMD6Tests/Advanced Headers.html	
+++ b/tests/MMD6Tests/Advanced Headers.html	
@@ -11,3 +11,13 @@
 <p>5</p>
 
 <h1 id="bar">foo </h1>
+
+<h1 id="foobar"><em>foo</em> bar </h1>
+
+<h1 id="foobar"><em>foo
+bar</em></h1>
+
+<p><a href="#bar">bar</a></p>
+
+<p><a href="#bar">foo</a></p>
+ 
\ No newline at end of file
diff --git a/tests/MMD6Tests/Advanced Headers.htmlc b/tests/MMD6Tests/Advanced Headers.htmlc
index 40cfe90..e3277a9 100644
--- a/tests/MMD6Tests/Advanced Headers.htmlc	
+++ b/tests/MMD6Tests/Advanced Headers.htmlc	
@@ -11,3 +11,12 @@
 <p>5</p>
 
 <h1>foo [bar]</h1>
+
+<h1><em>foo</em> bar </h1>
+
+<h1><em>foo
+bar</em></h1>
+
+<p>[bar]</p>
+
+<p>[foo][bar]</p>
diff --git a/tests/MMD6Tests/Advanced Headers.tex b/tests/MMD6Tests/Advanced Headers.tex
index 3a996fa..939b775 100644
--- a/tests/MMD6Tests/Advanced Headers.tex	
+++ b/tests/MMD6Tests/Advanced Headers.tex	
@@ -4,16 +4,27 @@
 \part{foo}
 \label{bar}
 
-\part{foo [bar][bat]}
+\part{foo bar (\autoref{bat})}
 \label{foobarbat}
 
-\part{foo [bar][bat]}
+\part{foo \autoref{bar} }
 \label{bat}
 
-\part{foo [bar][bat]}
+\part{foo bar (\autoref{bat})}
 \label{baz}
 
 5
 
 \part{foo }
 \label{bar}
+
+\part{\emph{foo} bar }
+\label{foobar}
+
+\part{\emph{foo
+bar}}
+\label{foobar}
+
+\autoref{bar}
+
+foo (\autoref{bar})
diff --git a/tests/MMD6Tests/Advanced Headers.text b/tests/MMD6Tests/Advanced Headers.text
index c6600bd..e834f1d 100644
--- a/tests/MMD6Tests/Advanced Headers.text	
+++ b/tests/MMD6Tests/Advanced Headers.text	
@@ -12,3 +12,13 @@
 
 foo [bar]
 =========
+
+# *foo* bar #
+
+*foo
+bar*
+====
+
+[bar]
+
+[foo][bar]
diff --git a/tests/MMD6Tests/Integrated.html b/tests/MMD6Tests/Integrated.html
index 0b22f41..7e9fa59 100644
--- a/tests/MMD6Tests/Integrated.html
+++ b/tests/MMD6Tests/Integrated.html
@@ -55,6 +55,10 @@ code
 <figcaption>test</figcaption>
 </figure>
 
+<p><a href="#math">Math</a></p>
+
+<p><a href="#math">foo</a></p>
+
 <h1 id="math">Math </h1>
 
 <p>math <span class="math">\({e}^{i\pi }+1=0\)</span></p>
diff --git a/tests/MMD6Tests/Integrated.htmlc b/tests/MMD6Tests/Integrated.htmlc
index e58e714..2fc962a 100644
--- a/tests/MMD6Tests/Integrated.htmlc
+++ b/tests/MMD6Tests/Integrated.htmlc
@@ -55,6 +55,10 @@ code
 
 <p>![test](http://foo.bar/ &quot;title&quot; width=&quot;40px&quot; height=400px)</p>
 
+<p>[Math]</p>
+
+<p>[foo][math]</p>
+
 <h1>Math </h1>
 
 <p>math ${e}^{i\pi }+1=0$</p>
diff --git a/tests/MMD6Tests/Integrated.tex b/tests/MMD6Tests/Integrated.tex
index 84dde23..d16d32f 100644
--- a/tests/MMD6Tests/Integrated.tex
+++ b/tests/MMD6Tests/Integrated.tex
@@ -61,6 +61,9 @@ Cite.\citesyntax TBD
 
 \href{http://foo.net/}{link}\footnote{\href{http://foo.net/}{http:/\slash foo.net\slash }} and \href{http://bar.net}{link}\footnote{\href{http://bar.net}{http:/\slash bar.net}}
 
+\autoref{math}
+
+foo (\autoref{math})
 
 \part{Math }
 \label{math}
diff --git a/tests/MMD6Tests/Integrated.text b/tests/MMD6Tests/Integrated.text
index 089e875..7adf965 100644
--- a/tests/MMD6Tests/Integrated.text
+++ b/tests/MMD6Tests/Integrated.text
@@ -56,6 +56,10 @@ Cite.[#Inline Citation]
 
 ![test](http://foo.bar/ "title" width="40px" height=400px)
 
+[Math]
+
+[foo][math]
+
 
 # Math #
 
-- 
2.50.1