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#include "libexpr/value-to-json.hh"
#include <cstdlib>
#include <iomanip>
#include "libexpr/eval-inline.hh"
#include "libutil/json.hh"
#include "libutil/util.hh"
namespace nix {
void printValueAsJSON(EvalState& state, bool strict, Value& v,
JSONPlaceholder& out, PathSet& context) {
checkInterrupt();
if (strict) {
state.forceValue(v);
}
switch (v.type) {
case tInt:
out.write(v.integer);
break;
case tBool:
out.write(v.boolean);
break;
case tString:
copyContext(v, context);
out.write(v.string.s);
break;
case tPath:
out.write(state.copyPathToStore(context, v.path));
break;
case tNull:
out.write(nullptr);
break;
case tAttrs: {
auto maybeString =
state.tryAttrsToString(noPos, v, context, false, false);
if (maybeString) {
out.write(*maybeString);
break;
}
auto i = v.attrs->find(state.sOutPath);
if (i == v.attrs->end()) {
auto obj(out.object());
StringSet names;
for (auto& j : *v.attrs) {
names.insert(j.second.name);
}
for (auto& j : names) {
auto [_, a] = *v.attrs->find(state.symbols.Create(j));
auto placeholder(obj.placeholder(j));
printValueAsJSON(state, strict, *a.value, placeholder, context);
}
} else {
printValueAsJSON(state, strict, *i->second.value, out, context);
}
break;
}
case tList: {
auto list(out.list());
for (unsigned int n = 0; n < v.listSize(); ++n) {
auto placeholder(list.placeholder());
printValueAsJSON(state, strict, *(*v.list)[n], placeholder, context);
}
break;
}
case tFloat:
out.write(v.fpoint);
break;
default:
throw TypeError(format("cannot convert %1% to JSON") % showType(v));
}
}
void printValueAsJSON(EvalState& state, bool strict, Value& v,
std::ostream& str, PathSet& context) {
JSONPlaceholder out(str);
printValueAsJSON(state, strict, v, out, context);
}
} // namespace nix
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