From 9e6fbeefcdb3a83167f9bc9851446007b34039e1 Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Sun, 6 Aug 2023 14:16:43 -0700
Subject: [PATCH] url: smartparens hack

support urls like (https://jb55.com/something)
---
 damus-c/damus.c           | 12 +++++++++++-
 damusTests/UrlTests.swift |  8 ++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/damus-c/damus.c b/damus-c/damus.c
index 88f904c3..e9de325a 100644
--- a/damus-c/damus.c
+++ b/damus-c/damus.c
@@ -192,7 +192,17 @@ static int parse_url(struct cursor *cur, struct note_block *block) {
         cur->p = start;
         return 0;
     }
-    
+
+    // smart parens
+    if (start - 1 >= 0 &&
+        start < cur->end &&
+        *(start - 1) == '(' &&
+        (cur->p - 1) < cur->end &&
+        *(cur->p - 1) == ')')
+    {
+        cur->p--;
+    }
+
     block->type = BLOCK_URL;
     block->block.str.start = (const char *)start;
     block->block.str.end = (const char *)cur->p;
diff --git a/damusTests/UrlTests.swift b/damusTests/UrlTests.swift
index af22de49..d1257066 100644
--- a/damusTests/UrlTests.swift
+++ b/damusTests/UrlTests.swift
@@ -49,6 +49,14 @@ final class UrlTests: XCTestCase {
         XCTAssertEqual(parsed[1].is_url?.absoluteString, "https://jb55.com")
     }
 
+    func testParseSmartParens() {
+        let testString = "(https://nostr-con.com/simplex)"
+        let parsed = parse_note_content(content: .content(testString, nil)).blocks
+
+        XCTAssertNotNil(parsed)
+        XCTAssertEqual(parsed[1].is_url?.absoluteString, "https://nostr-con.com/simplex")
+    }
+
     func testLinkIsNotAHashtag() {
         let link = "https://github.com/damus-io/damus/blob/b7513f28fa1d31c2747865067256ad1d7cf43aac/damus/Nostr/NostrEvent.swift#L560"