From 2ccea4e0a128225ab6877aa3b9ffebef9f81e213 Mon Sep 17 00:00:00 2001
From: Robert Günzler <r@gnzler.io>
Date: Fri, 2 Oct 2026 10:28:11 +0200
Subject: let formatLink handle url fragments
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Signed-off-by: Robert Günzler <r@gnzler.io>
---
 src/main.zig | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/main.zig b/src/main.zig
index 60aa3a0..7a90f95 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -361,7 +361,7 @@ const Cli = struct {
                 );
                 for (back_refs.?) |back_ref| {
                     log.debug("{s}: backref path={s}", .{ target.path, back_ref });
-                    const back_ref_ = try formatRef(gpa, back_ref, LINK_PREFIX, "");
+                    const back_ref_ = try formatRef(gpa, back_ref, LINK_PREFIX);
                     defer gpa.free(back_ref_);
                     try buf.writer.print(
                         \\{s}
@@ -409,7 +409,7 @@ const Cli = struct {
             for (index.items) |e| {
                 if (std.mem.eql(u8, std.fs.path.stem(e), std.fs.path.stem(target.path))) continue;
                 log.debug("{s}: index path={s}", .{ target.path, e });
-                const e_ = try formatRef(gpa, std.fs.path.stem(e), LINK_PREFIX, "");
+                const e_ = try formatRef(gpa, std.fs.path.stem(e), LINK_PREFIX);
                 defer gpa.free(e_);
                 try buf.writer.print(
                     \\<li>{s}</li>
@@ -869,12 +869,7 @@ const Builder = struct {
             }
         }
 
-        const ref_ = try formatRef(
-            gpa,
-            ref,
-            self.options.link_prefix,
-            if (fragment) |i| ref_str[i..] else "",
-        );
+        const ref_ = try formatRef(gpa, ref_str, self.options.link_prefix);
         defer gpa.free(ref_);
         try w.writeAll(ref_);
 
@@ -1013,20 +1008,23 @@ fn formatName(gpa: Allocator, name: []const u8) ![]u8 {
     return try std.mem.replaceOwned(u8, gpa, name, "_", " ");
 }
 
-fn formatLink(gpa: Allocator, name: []const u8, prefix: []const u8) ![]u8 {
-    const link_name = try std.fmt.allocPrint(gpa, "{s}.html", .{name});
+fn formatLink(gpa: Allocator, name_str: []const u8, prefix: []const u8) ![]u8 {
+    const fragment = std.mem.indexOf(u8, name_str, "#");
+    const name = if (fragment) |i| name_str[0..i] else name_str;
+
+    const link_name = try std.fmt.allocPrint(gpa, "{s}.html{s}", .{ name, if (fragment) |i| name_str[i..] else "" });
     defer gpa.free(link_name);
     return try std.fs.path.join(gpa, &.{ prefix, link_name });
 }
 
-fn formatRef(gpa: Allocator, name: []const u8, link_prefix: []const u8, fragment: []const u8) ![]u8 {
+fn formatRef(gpa: Allocator, name: []const u8, link_prefix: []const u8) ![]u8 {
     const link = try formatLink(gpa, name, link_prefix);
     defer gpa.free(link);
     const text = try formatName(gpa, name);
     defer gpa.free(text);
     return try std.fmt.allocPrint(gpa,
-        \\<a href="{s}{s}">{s}</a>
-    , .{ link, fragment, text });
+        \\<a href="{s}">{s}</a>
+    , .{ link, text });
 }
 
 fn targetExists(
-- 
cgit 1.4.1