From efa4bdbfcd1489527bcf6f20a49c9a3bca8bbf6b Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 20 Apr 2017 17:34:47 +0200
Subject: Improve nix show-config --json

In particular, show descriptions. This could be used for manpage
generation etc.
---
 src/libutil/config.hh | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/libutil/config.hh')

diff --git a/src/libutil/config.hh b/src/libutil/config.hh
index 130f59e2b..919621091 100644
--- a/src/libutil/config.hh
+++ b/src/libutil/config.hh
@@ -9,6 +9,8 @@ namespace nix {
 
 class Args;
 class AbstractSetting;
+class JSONPlaceholder;
+class JSONObject;
 
 /* A class to simplify providing configuration settings. The typical
    use is to inherit Config and add Setting<T> members:
@@ -56,6 +58,8 @@ public:
     void applyConfigFile(const Path & path, bool fatal = false);
 
     void resetOverriden();
+
+    void toJSON(JSONObject & out);
 };
 
 class AbstractSetting
@@ -90,6 +94,8 @@ protected:
 
     virtual std::string to_string() = 0;
 
+    virtual void toJSON(JSONPlaceholder & out);
+
     bool isOverriden() { return overriden; }
 };
 
@@ -122,6 +128,8 @@ public:
     void set(const std::string & str) override;
 
     std::string to_string() override;
+
+    void toJSON(JSONPlaceholder & out) override;
 };
 
 template<typename T>
-- 
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