From 749dd97a54f50467d266dde2b833f272cb556145 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 30 Jun 2009 15:53:39 +0000
Subject: * Support integers and lists of strings in meta fields.  This is  
 useful for fields like meta.maintainers, meta.priority (which can be   a
 proper integer now) and even meta.license (if there are multiple   licenses).

---
 src/libexpr/get-drvs.hh | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'src/libexpr/get-drvs.hh')

diff --git a/src/libexpr/get-drvs.hh b/src/libexpr/get-drvs.hh
index 46dc51a568af..b56f54711899 100644
--- a/src/libexpr/get-drvs.hh
+++ b/src/libexpr/get-drvs.hh
@@ -12,7 +12,16 @@
 namespace nix {
 
 
-typedef std::map<string, string> MetaInfo;
+struct MetaValue
+{
+    enum { tpNone, tpString, tpStrings, tpInt } type;
+    string stringValue;
+    Strings stringValues;
+    int intValue;
+};
+
+
+typedef std::map<string, MetaValue> MetaInfo;
 
 
 struct DrvInfo
@@ -34,7 +43,7 @@ public:
     string queryDrvPath(EvalState & state) const;
     string queryOutPath(EvalState & state) const;
     MetaInfo queryMetaInfo(EvalState & state) const;
-    string queryMetaInfo(EvalState & state, const string & name) const;
+    MetaValue queryMetaInfo(EvalState & state, const string & name) const;
 
     void setDrvPath(const string & s)
     {
-- 
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