1 files changed, 79 insertions, 0 deletions
diff --git a/src/cgi.zig b/src/cgi.zig
new file mode 100755
index 0000000..849ef8c
--- /dev/null
+++ b/src/cgi.zig
@@ -0,0 +1,79 @@
+const std = @import("std");
+const Io = std.Io;
+const File = Io.File;
+const Allocator = std.mem.Allocator;
+const ArenaAllocator = std.heap.ArenaAllocator;
+const ArrayList = std.ArrayList;
+const StringArrayHashMap = std.StringArrayHashMapUnmanaged;
+
+const HTMLua = @import("htmlua");
+
+const Config = struct {
+    component_path: []const u8,
+    template_path: []const u8,
+};
+
+var component_dir: Io.Dir = undefined;
+
+pub fn main(init: std.process.Init) !void {
+    const io = init.io;
+
+    var arena = std.heap.ArenaAllocator.init(init.gpa);
+    defer arena.deinit();
+    const alloc = arena.allocator();
+
+    var args = init.minimal.args.iterate();
+
+    const cwd = std.Io.Dir.cwd();
+
+    if (!args.skip()) unreachable;
+    const config_file_path = args.next().?;
+    const config_buf = try cwd.readFileAllocOptions(io, config_file_path, alloc, .unlimited, std.mem.Alignment.@"1", '\x00');
+    const config = try std.zon.parse.fromSliceAlloc(
+        Config,
+        alloc,
+        config_buf,
+        null,
+        .{},
+    );
+
+    component_dir = try cwd.openDir(io, config.component_path, .{});
+    const template_dir = try cwd.openDir(io, config.template_path, .{});
+
+    var state: HTMLua.Parser = .{
+        .tags = &[_]HTMLua.ParserTag{
+            HTMLua.tags.Include,
+            HTMLua.tags.Export,
+            HTMLua.tags.Use,
+            HTMLua.tags.Syntax,
+        },
+        .tag_stack = try ArrayList([]const u8).initCapacity(alloc, 256),
+        .exported_parts = try StringArrayHashMap([]const u8).init(alloc, &[0][]const u8{}, &[0][]const u8{}),
+        .component_resolver = struct {
+            pub fn resolve(arena_inner: *ArenaAllocator, io_inner: Io, path: []const u8) anyerror!*Io.Reader {
+                const read_buff = try arena_inner.allocator().alloc(u8, 16384);
+                const clean_path = try HTMLua.utils.sanitizePath(arena_inner.allocator(), path);
+                var file = try component_dir.openFile(io_inner, clean_path, .{ .mode = .read_only });
+                const reader = try arena_inner.allocator().create(File.Reader);
+                reader.* = file.reader(io_inner, read_buff);
+                return &reader.interface;
+            }
+        }.resolve,
+    };
+
+    const request_path = init.environ_map.get("PATH_INFO").?;
+    const clean_request_path = try HTMLua.utils.sanitizePath(alloc, request_path);
+    const file = try template_dir.openFile(io, clean_request_path, .{ .mode = .read_only });
+    defer file.close(io);
+
+    const in_buf = try alloc.alloc(u8, 16384);
+    var in = file.reader(io, in_buf);
+
+    const out_buf = try alloc.alloc(u8, 16384);
+    var out = File.stdout().writer(io, out_buf);
+
+    try out.interface.writeAll("Content-type: text/html\n");
+    try HTMLua.parseTemplate(&arena, io, &state, &in.interface, &out.interface);
+
+    try out.flush();
+}