Flexible inline (#629)

Add new InlineProcessor class that handles inline processing much better and allows for more flexibility. This adds new InlineProcessors that no longer utilize unnecessary pretext and posttext captures. New class can accept the buffer that is being worked on and manually process the text without regex and return new replacement bounds. This helps us to handle links in a better way and handle nested brackets and logic that is too much for regular expression. The refactor also allows image links to have links/paths with spaces like links. Ref #551, #613, #590, #161.

1 files changed, 98 insertions, 0 deletions

diff --git a/tests/test_syntax/inline/links.py b/tests/test_syntax/inline/links.py
new file mode 100644
index 0000000..fe58ada
--- /dev/null
+++ b/tests/test_syntax/inline/links.py
@@ -0,0 +1,98 @@
+from markdown.test_tools import TestCase
+
+
+class TestAdvancedLinks(TestCase):
+
+    def test_nested_square_brackets(self):
+        self.assertMarkdownRenders(
+            """[Text[[[[[[[]]]]]]][]](http://link.com) more text""",
+            """<p><a href="http://link.com">Text[[[[[[[]]]]]]][]</a> more text</p>"""
+        )
+
+    def test_nested_round_brackets(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/(((((((()))))))())) more text""",
+            """<p><a href="http://link.com/(((((((()))))))())">Text</a> more text</p>"""
+        )
+
+    def test_uneven_brackets_with_titles1(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/("title") more text""",
+            """<p><a href="http://link.com/(" title="title">Text</a> more text</p>"""
+        )
+
+    def test_uneven_brackets_with_titles2(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/('"title") more text""",
+            """<p><a href="http://link.com/('" title="title">Text</a> more text</p>"""
+        )
+
+    def test_uneven_brackets_with_titles3(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/("title)") more text""",
+            """<p><a href="http://link.com/(" title="title)">Text</a> more text</p>"""
+        )
+
+    def test_uneven_brackets_with_titles4(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/( "title") more text""",
+            """<p><a href="http://link.com/(" title="title">Text</a> more text</p>"""
+        )
+
+    def test_uneven_brackets_with_titles5(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/( "title)") more text""",
+            """<p><a href="http://link.com/(" title="title)">Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes1(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/'"title") more text""",
+            """<p><a href="http://link.com/'" title="title">Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes2(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/"'title') more text""",
+            """<p><a href="http://link.com/&quot;" title="title">Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes3(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/with spaces'"and quotes" 'and title') more text""",
+            """<p><a href="http://link.com/with spaces" title="&quot;and quotes&quot; 'and title">"""
+            """Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes4(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/with spaces'"and quotes" 'and title") more text""",
+            """<p><a href="http://link.com/with spaces'" title="and quotes&quot; 'and title">Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes5(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/with spaces '"and quotes" 'and title') more text""",
+            """<p><a href="http://link.com/with spaces" title="&quot;and quotes&quot; 'and title">"""
+            """Text</a> more text</p>"""
+        )
+
+    def test_mixed_title_quotes6(self):
+        self.assertMarkdownRenders(
+            """[Text](http://link.com/with spaces "and quotes" 'and title') more text""",
+            """<p><a href="http://link.com/with spaces &quot;and quotes&quot;" title="and title">"""
+            """Text</a> more text</p>"""
+        )
+
+    def test_single_quote(self):
+        self.assertMarkdownRenders(
+            """[test](link"notitle)""",
+            """<p><a href="link&quot;notitle">test</a></p>"""
+        )
+
+    def test_angle_with_mixed_title_quotes(self):
+        self.assertMarkdownRenders(
+            """[Text](<http://link.com/with spaces '"and quotes"> 'and title') more text""",
+            """<p><a href="http://link.com/with spaces '&quot;and quotes&quot;" title="and title">"""
+            """Text</a> more text</p>"""
+        )