1 files changed, 91 insertions, 0 deletions
diff --git a/src/frontend/File.zig b/src/frontend/File.zig
new file mode 100644
index 0000000..e7c3b6d
--- /dev/null
+++ b/src/frontend/File.zig
@@ -0,0 +1,91 @@
+const std = @import("std");
+
+pub fn File(comptime tag: ?[]const u8, Iterator: type) type {
+    const opening = if (tag) |t| "<" ++ t ++ ">" else "";
+    const closing = if (tag) |t| "</" ++ t ++ ">" else "";
+
+    return struct {
+        file: []const u8,
+        do_minify: bool,
+
+        pub fn path(comptime p: []const u8) @This() {
+            return .{
+                .file = p,
+                .do_minify = false,
+            };
+        }
+
+        pub fn minify(comptime p: []const u8) @This() {
+            return .{
+                .file = p,
+                .do_minify = true,
+            };
+        }
+
+        fn content(comptime self: @This()) []const u8 {
+            return opening ++ @embedFile(self.file) ++ closing;
+        }
+
+        fn content_minified(comptime self: @This()) []const u8 {
+            var minified: []const u8 = "";
+            var iterator: Iterator = .init(@embedFile(self.file));
+
+            while (iterator.next()) |segment| {
+                minified = minified ++ segment;
+            }
+
+            return opening ++ minified ++ closing;
+        }
+
+        pub fn to_html_string(comptime self: @This()) []const u8 {
+            return if (self.do_minify) self.content_minified() else self.content();
+        }
+    };
+}
+
+fn StringIterator(comptime quotes: []const u8) type {
+    return struct {
+        content: []const u8,
+
+        pub fn init(content: []const u8) @This() {
+            return .{ .content = content };
+        }
+
+        pub fn next(self: *@This()) ?[]const u8 {
+            @setEvalBranchQuota(self.content.len * 20);
+
+            self.content = std.mem.trimStart(u8, self.content, &std.ascii.whitespace);
+
+            if (self.content.len == 0) return null;
+
+            var index: usize = 0;
+
+            while (self.content.len > index) {
+                const char = self.content[index];
+
+                if (std.mem.indexOfScalar(u8, quotes, char) != null) {
+                    index += 1;
+                    while (self.content.len > index) {
+                        if (self.content[index] == char) {
+                            index += 1;
+                            break;
+                        }
+                        index += 1;
+                    }
+                } else if (std.ascii.isWhitespace(char)) {
+                    break;
+                }
+                index += 1;
+            }
+
+            const block = self.content[0..index];
+            self.content = self.content[index..];
+
+            return block ++ " ";
+        }
+    };
+}
+
+pub const Style = File("style", StringIterator("\"'"));
+pub const Script = File("script", StringIterator("\"'`"));
+pub const Html = File(null, StringIterator("\"'"));