feat(deps): add ada - whatwg-compliant and fast URL parser

### Summary

Adds libada as a dependency.

This is needed for:
#12758

But it may be great for many other uses too.

The `lua-resty-ada` LuaJIT FFI bindings can be found here:
https://github.com/bungle/lua-resty-ada

Signed-off-by: Aapo Talvensaari <[email protected]>

.requirements

@@ -8,6 +8,8 @@ OPENSSL=3.2.1
 OPENSSL_SHA256=83c7329fe52c850677d75e5d0b0ca245309b97e8ecbcfdc1dfdc4ab9fac35b39
 PCRE=10.43
 PCRE_SHA256=889d16be5abb8d05400b33c25e151638b8d4bac0e2d9c76e9d6923118ae8a34e
+ADA=2.7.8
+ADA_SHA256=584faf94049e1e7eaae005e58841092893cd5051a13c8b7cbe7e19510bacc705
 LIBEXPAT=2.6.2
 LIBEXPAT_SHA256=d4cf38d26e21a56654ffe4acd9cd5481164619626802328506a2869afab29ab3
 

build/BUILD.bazel

@@ -13,14 +13,15 @@ clib_deps = [
     "@openssl",
     "@libexpat",
     "@snappy",
+    "@ada",
 ]
 
 [
     kong_install(
         name = "install-%s" % get_workspace_name(k),
         src = k,
-        prefix = "kong/lib" if k in ("@passwdqc", "@snappy") else "kong",
-        strip_path = "snappy" if k == "@snappy" else "",
+        prefix = "kong/lib" if k in ("@passwdqc", "@snappy", "@ada") else "kong",
+        strip_path = "snappy" if k == "@snappy" else "ada" if k == "@ada" else "",
     )
     for k in clib_deps
 ]

build/openresty/ada/BUILD.bazel

@@ -0,0 +1,18 @@
+cc_library(
+    name = "ada-lib",
+    srcs = ["ada.cpp"],
+    hdrs = [
+        "ada.h",
+        "ada_c.h",
+    ],
+    copts = [
+        "-std=c++17",
+    ],
+    linkstatic = True,
+)
+
+cc_shared_library(
+    name = "ada",
+    deps = [":ada-lib"],
+    visibility = ["//visibility:public"],
+)

build/openresty/ada/ada_repositories.bzl

@@ -0,0 +1,20 @@
+"""A module defining the third party dependency Ada"""
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+load("@kong_bindings//:variables.bzl", "KONG_VAR")
+
+def ada_repositories():
+    """Defines the ada repository"""
+
+    version = KONG_VAR["ADA"]
+
+    maybe(
+        http_archive,
+        name = "ada",
+        sha256 = KONG_VAR["ADA_SHA256"],
+        url = "https://github.com/ada-url/ada/releases/download/v" + version + "/singleheader.zip",
+        type = "zip",
+        visibility = ["//visibility:public"], # let this to be referenced by openresty build
+        build_file = "//build/openresty/ada:BUILD.bazel",
+    )

build/openresty/repositories.bzl

@@ -11,6 +11,7 @@ load("//build/openresty/wasmx:wasmx_repositories.bzl", "wasmx_repositories")
 load("//build/openresty/wasmx/filters:repositories.bzl", "wasm_filters_repositories")
 load("//build/openresty/brotli:brotli_repositories.bzl", "brotli_repositories")
 load("//build/openresty/snappy:snappy_repositories.bzl", "snappy_repositories")
+load("//build/openresty/ada:ada_repositories.bzl", "ada_repositories")
 
 # This is a dummy file to export the module's repository.
 _NGINX_MODULE_DUMMY_FILE = """
@@ -35,6 +36,7 @@ def openresty_repositories():
     wasm_filters_repositories()
     brotli_repositories()
     snappy_repositories()
+    ada_repositories()
 
     openresty_version = KONG_VAR["OPENRESTY"]