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authorEelco Dolstra <edolstra@gmail.com>2018-09-28T12·31+0200
committerEelco Dolstra <edolstra@gmail.com>2018-09-28T12·32+0200
commit7ae7a38c9a7d0a5679e65c8213cd7b58dfdc1c52 (patch)
tree892fc56a42bc96e497a9bdc1ec4ad4278510e6f7 /src/libstore/parsed-derivations.hh
parent99d4bb2d4cd94e0234e8cfb12887db155d98ac50 (diff)
Move structured attrs handling into a separate class
This is primarily because Derivation::{can,will}BuildLocally() depends
on attributes like preferLocalBuild and requiredSystemFeatures, but it
can't handle them properly because it doesn't have access to the
structured attributes.
Diffstat (limited to 'src/libstore/parsed-derivations.hh')
-rw-r--r--src/libstore/parsed-derivations.hh33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/libstore/parsed-derivations.hh b/src/libstore/parsed-derivations.hh
new file mode 100644
index 000000000000..0c7dc32e1e04
--- /dev/null
+++ b/src/libstore/parsed-derivations.hh
@@ -0,0 +1,33 @@
+#include "derivations.hh"
+
+#include <nlohmann/json.hpp>
+
+namespace nix {
+
+class ParsedDerivation
+{
+    Path drvPath;
+    BasicDerivation & drv;
+    std::experimental::optional<nlohmann::json> structuredAttrs;
+
+public:
+
+    ParsedDerivation(const Path & drvPath, BasicDerivation & drv);
+
+    const std::experimental::optional<nlohmann::json> & getStructuredAttrs() const
+    {
+        return structuredAttrs;
+    }
+
+    std::experimental::optional<std::string> getStringAttr(const std::string & name) const;
+
+    bool getBoolAttr(const std::string & name, bool def = false) const;
+
+    std::experimental::optional<Strings> getStringsAttr(const std::string & name) const;
+
+    bool canBuildLocally() const;
+
+    bool willBuildLocally() const;
+};
+
+}