Comsume whole body at once

packages/myid/src/http/Parser.zig

@@ -78,12 +78,29 @@ pub fn init() Parser {
 }
 
 pub fn consume(self: *Parser, chars: []const u8) Error!ConsumeResult {
-    for (chars, 1..) |*c_ptr, len| {
-        const res = try self.consumeChar(c_ptr);
-        if (res == .done) return .{
-            .consumed = len,
-            .done = true,
-        };
+    var i: usize = 0;
+    while (i < chars.len) {
+        switch (self.state) {
+            .body => |body| {
+                const to_consume = @min(chars.len - i, self.content_length - body.len);
+                const new_body = body.ptr[0 .. body.len + to_consume];
+                self.state = .{ .body = new_body };
+                i += to_consume;
+
+                return .{
+                    .consumed = i,
+                    .done = new_body.len >= self.content_length,
+                };
+            },
+            else => {
+                const res = try self.consumeChar(&chars[i]);
+                i += 1;
+                if (res == .done) return .{
+                    .consumed = i,
+                    .done = true,
+                };
+            },
+        }
     }
 
     return .{
@@ -287,7 +304,6 @@ pub fn consumeChar(self: *Parser, c_ptr: *const u8) Error!ConsumeCharResult {
             const new_body = body.ptr[0 .. body.len + 1];
             self.state = .{ .body = new_body };
             if (new_body.len >= self.content_length) {
-                log.debug("End of request ({} body bytes)", .{new_body.len});
                 return .done;
             }
         },