From fd5d356c39eea3138bcb0d0cd1128642afc74a9c Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Fri, 29 May 2020 09:51:38 -0500
Subject: image: Support backend options

---
 image/backends/basic.hh | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'image/backends/basic.hh')

diff --git a/image/backends/basic.hh b/image/backends/basic.hh
index d57a9ac..ff92ec8 100644
--- a/image/backends/basic.hh
+++ b/image/backends/basic.hh
@@ -13,20 +13,25 @@
 #pragma once
 
 #include <functional>
+#include <map>
 #include <string>
 #include <vector>
 
 namespace Horizon {
 namespace Image {
 
+using std::string;
+
 class BasicBackend {
 public:
     /*! Create the backend object.
      * @param _ir_dir   The intermediate directory the image should contain.
      * @param _out_path The path to write the image.
+     * @param _opts     Options, if any.
      */
-    BasicBackend(const std::string &_ir_dir, const std::string &_out_path) :
-        ir_dir(_ir_dir), out_path(_out_path) {};
+    BasicBackend(const string &_ir_dir, const string &_out_path,
+                 const std::map<string, string> &_opts = {}) :
+        ir_dir{_ir_dir}, out_path{_out_path}, opts{_opts} {};
     virtual ~BasicBackend() {};
 
     /*! Prepare for creating the image.
@@ -47,15 +52,18 @@ public:
 
     /*! The intermediate directory which contains the sysroot the image
      *  should contain. */
-    const std::string ir_dir;
+    const string ir_dir;
     /*! The path at which to write the image. */
-    const std::string out_path;
+    const string out_path;
+    /*! Backend-specific configuration options. */
+    const std::map<string, string> opts;
 };
 
 struct BackendDescriptor {
-    std::string type_code;
-    std::string description;
-    std::function<BasicBackend *(std::string, std::string)> creation_fn;
+    string type_code;
+    string description;
+    std::function<BasicBackend *(const string &, const string &,
+                                 const std::map<string, string> &)> creation_fn;
 };
 
 class BackendManager {
-- 
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