1 files changed, 21 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/blog/md/LinkParser.kt b/src/main/kotlin/moe/nea/blog/md/LinkParser.kt
new file mode 100644
index 0000000..c247e6f
--- /dev/null
+++ b/src/main/kotlin/moe/nea/blog/md/LinkParser.kt
@@ -0,0 +1,21 @@
+package moe.nea.blog.md
+
+object LinkParser : InlineParser {
+    override fun detect(lookback: MarkdownFormat, rest: String): Boolean {
+        return rest.startsWith("[")
+    }
+
+    override val specialSyntax: Set<Char>
+        get() = "()[]".toSet()
+
+    override fun parse(parser: MarkdownParser, text: String): Pair<MarkdownFormat, String> {
+        val (label, rest) = parser.parseInlineTextUntil(
+            text.substring(1),
+            Begin()
+        ) { lookback, remaining -> remaining.startsWith("]") } // TODO: better begin
+        require(rest.startsWith("](")) { TODO("unlabeled links") }
+        val urlEndIndex = rest.indexOf(')')
+        val url = rest.substring(2, urlEndIndex)
+        return Pair(Link(parser.collapseInlineFormat(label, false), url.trim()), rest.substring(urlEndIndex + 1))
+    }
+}
+\ No newline at end of file