Add overloaded Get() functions to support query parameters and headers

Author: yhirose

httplib-stream.h

@@ -322,6 +322,15 @@ inline Result Get(Client &cli, const std::string &path,
   return Result{cli.open_stream(path, headers)};
 }
 
+inline Result Get(Client &cli, const std::string &path, const Params &params) {
+  return Result{cli.open_stream(append_query_params(path, params))};
+}
+
+inline Result Get(Client &cli, const std::string &path, const Params &params,
+                  const Headers &headers) {
+  return Result{cli.open_stream(append_query_params(path, params), headers)};
+}
+
 } // namespace stream
 
 } // namespace httplib

test/test-stream.cc

@@ -56,6 +56,16 @@ class StreamingServerTest : public ::testing::Test {
       res.set_content("Hello World!", "text/plain");
     });
 
+    server_.Get("/echo-params",
+                [](const httplib::Request &req, httplib::Response &res) {
+                  std::string result;
+                  for (const auto &p : req.params) {
+                    if (!result.empty()) result += "&";
+                    result += p.first + "=" + p.second;
+                  }
+                  res.set_content(result, "text/plain");
+                });
+
     server_.Get(
         "/chunked", [](const httplib::Request &, httplib::Response &res) {
           res.set_chunked_content_provider(
@@ -280,6 +290,34 @@ TEST_F(StreamingServerTest, stream_Get_404) {
   EXPECT_EQ(404, result.status());
 }
 
+TEST_F(StreamingServerTest, stream_Get_WithParams) {
+  httplib::Client cli("localhost", 8787);
+  httplib::Params params = {{"foo", "bar"}, {"baz", "123"}};
+
+  auto result = httplib::stream::Get(cli, "/echo-params", params);
+
+  ASSERT_TRUE(result.is_valid());
+  EXPECT_EQ(200, result.status());
+
+  std::string body = result.read_all();
+  EXPECT_TRUE(body.find("foo=bar") != std::string::npos);
+  EXPECT_TRUE(body.find("baz=123") != std::string::npos);
+}
+
+TEST_F(StreamingServerTest, stream_Get_WithParamsAndHeaders) {
+  httplib::Client cli("localhost", 8787);
+  httplib::Params params = {{"key", "value"}};
+  httplib::Headers headers = {{"X-Custom-Header", "test"}};
+
+  auto result = httplib::stream::Get(cli, "/echo-params", params, headers);
+
+  ASSERT_TRUE(result.is_valid());
+  EXPECT_EQ(200, result.status());
+
+  std::string body = result.read_all();
+  EXPECT_TRUE(body.find("key=value") != std::string::npos);
+}
+
 TEST(GeneratorTest, EmptyGenerator) {
   auto gen = []() -> httplib::Generator<int> { co_return; }();