Reorganize directory structure

pipeline/includes/web_client/curl_web_client.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "web_client/web_client.h"
+#include <memory>
+
+// RAII for curl_global_init/cleanup.
+// An instance of this class should be created in main() before any curl
+// operations and exist for the lifetime of the application.
+class CurlGlobalState {
+public:
+  CurlGlobalState();
+  ~CurlGlobalState();
+  CurlGlobalState(const CurlGlobalState &) = delete;
+  CurlGlobalState &operator=(const CurlGlobalState &) = delete;
+};
+
+class CURLWebClient : public IWebClient {
+public:
+  CURLWebClient();
+  ~CURLWebClient() override;
+
+  void DownloadToFile(const std::string &url,
+                      const std::string &filePath) override;
+  std::string Get(const std::string &url) override;
+  std::string UrlEncode(const std::string &value) override;
+};