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nix path-info: Add --json flag

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Also, factor out JSON generation from value-to-json.{cc,hh}, and
support producing indented JSON.
This commit is contained in:
Eelco Dolstra 2016-08-26 18:55:55 +02:00
parent 9fa21765e7
commit c0a7b84748
7 changed files with 476 additions and 133 deletions
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3
src/libexpr/value.hh
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@ -36,6 +36,7 @@ class Symbol;
struct Pos;
class EvalState;
class XMLWriter;
class JSONPlaceholder;
typedef long NixInt;
@ -73,7 +74,7 @@ class ExternalValueBase
/* Print the value as JSON. Defaults to unconvertable, i.e. throws an error */
virtual void printValueAsJSON(EvalState & state, bool strict,
std::ostream & str, PathSet & context) const;
JSONPlaceholder & out, PathSet & context) const;
/* Print the value as XML. Defaults to unevaluated */
virtual void printValueAsXML(EvalState & state, bool strict, bool location,