From 12e8343068b906f8b2afddc5569968a8a91fa5b0 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 29 Apr 2024 06:24:24 +0200
Subject: Adding upstream version 2.1.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 markdown_it/rules_inline/autolink.py | 78 ++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 markdown_it/rules_inline/autolink.py

(limited to 'markdown_it/rules_inline/autolink.py')

diff --git a/markdown_it/rules_inline/autolink.py b/markdown_it/rules_inline/autolink.py
new file mode 100644
index 0000000..a4ee61c
--- /dev/null
+++ b/markdown_it/rules_inline/autolink.py
@@ -0,0 +1,78 @@
+# Process autolinks '<protocol:...>'
+import re
+
+from .state_inline import StateInline
+
+EMAIL_RE = re.compile(
+    r"^([a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$"  # noqa: E501
+)
+AUTOLINK_RE = re.compile(r"^([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)$")
+
+
+def autolink(state: StateInline, silent: bool) -> bool:
+
+    pos = state.pos
+
+    if state.srcCharCode[pos] != 0x3C:  # /* < */
+        return False
+
+    start = state.pos
+    maximum = state.posMax
+
+    while True:
+        pos += 1
+        if pos >= maximum:
+            return False
+
+        ch = state.srcCharCode[pos]
+
+        if ch == 0x3C:  # /* < */
+            return False
+        if ch == 0x3E:  # /* > */
+            break
+
+    url = state.src[start + 1 : pos]
+
+    if AUTOLINK_RE.search(url) is not None:
+        fullUrl = state.md.normalizeLink(url)
+        if not state.md.validateLink(fullUrl):
+            return False
+
+        if not silent:
+            token = state.push("link_open", "a", 1)
+            token.attrs = {"href": fullUrl}
+            token.markup = "autolink"
+            token.info = "auto"
+
+            token = state.push("text", "", 0)
+            token.content = state.md.normalizeLinkText(url)
+
+            token = state.push("link_close", "a", -1)
+            token.markup = "autolink"
+            token.info = "auto"
+
+        state.pos += len(url) + 2
+        return True
+
+    if EMAIL_RE.search(url) is not None:
+        fullUrl = state.md.normalizeLink("mailto:" + url)
+        if not state.md.validateLink(fullUrl):
+            return False
+
+        if not silent:
+            token = state.push("link_open", "a", 1)
+            token.attrs = {"href": fullUrl}
+            token.markup = "autolink"
+            token.info = "auto"
+
+            token = state.push("text", "", 0)
+            token.content = state.md.normalizeLinkText(url)
+
+            token = state.push("link_close", "a", -1)
+            token.markup = "autolink"
+            token.info = "auto"
+
+        state.pos += len(url) + 2
+        return True
+
+    return False
-- 
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