swiftgemtext

commit 296ba858ff9f528c1f35c693da841ee380224ee8
parent b4038f0c19234081e354b05111194c6da9c2e754
Author: FIGBERT <figbert@figbert.com>
Date:   Tue, 20 Apr 2021 11:23:24 -0700

Bring link line parsing more in line with spec

Diffstat:
M
Sources/SwiftGemtext/SwiftGemtext.swift
 | 
17
++++++++++++-----

1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/Sources/SwiftGemtext/SwiftGemtext.swift b/Sources/SwiftGemtext/SwiftGemtext.swift
@@ -43,14 +43,21 @@ struct Gemtext {
             return LineType.Heading(level, line.dropFirst(level).trimmingCharacters(in: .whitespacesAndNewlines))
         } else if line.starts(with: "=>") { // Link Line
             let urlAndCaption = line.dropFirst(2).trimmingCharacters(in: .whitespacesAndNewlines)
-            let delim = urlAndCaption.firstIndex(of: " ")
-            if delim != nil {
-                let url = URL(string: String(urlAndCaption[..<delim!]))!
-                let caption = String(urlAndCaption[delim!...]).trimmingCharacters(in: .whitespacesAndNewlines)
-                return LineType.Link(url, caption)
+            let spaceDelim = urlAndCaption.firstIndex(of: " ")
+            let tabDelim = urlAndCaption.firstIndex(of: "\t")
+            var delim: String.Index
+            if spaceDelim != nil && tabDelim != nil {
+                delim = min(spaceDelim!, tabDelim!)
+            } else if spaceDelim != nil && tabDelim == nil {
+                delim = spaceDelim!
+            } else if spaceDelim == nil && tabDelim != nil {
+                delim = tabDelim!
             } else {
                 return LineType.Link(URL(string: urlAndCaption)!, nil)
             }
+            let url = URL(string: String(urlAndCaption[..<delim]))!
+            let caption = String(urlAndCaption[delim...]).trimmingCharacters(in: .whitespacesAndNewlines)
+            return LineType.Link(url, caption)
         } else if line.starts(with: "* ") { // Unordered List Line
             return LineType.UnorderedList(line.dropFirst(2).trimmingCharacters(in: .whitespacesAndNewlines))
         } else if line.starts(with: ">") { // Quote Line