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Replace src/libutil/json.cc with nlohmann json generation

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Yorick van Pelt 2022-11-16 16:49:49 +01:00
parent 62960f3291
commit 09f00dd4d0
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GPG key ID: A36E70F9DC014A15
25 changed files with 266 additions and 858 deletions
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35
src/nix-env/nix-env.cc
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@ -12,7 +12,6 @@
#include "local-fs-store.hh"
#include "user-env.hh"
#include "util.hh"
#include "json.hh"
#include "value-to-json.hh"
#include "xml-writer.hh"
#include "legacy.hh"
@ -26,6 +25,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <nlohmann/json.hpp>
using namespace nix;
using std::cout;
@ -911,43 +911,47 @@ static VersionDiff compareVersionAgainstSet(
static void queryJSON(Globals & globals, std::vector<DrvInfo> & elems, bool printOutPath, bool printMeta)
{
JSONObject topObj(cout, true);
using nlohmann::json;
json topObj = json::object();
for (auto & i : elems) {
try {
if (i.hasFailed()) continue;
JSONObject pkgObj = topObj.object(i.attrPath);
auto drvName = DrvName(i.queryName());
pkgObj.attr("name", drvName.fullName);
pkgObj.attr("pname", drvName.name);
pkgObj.attr("version", drvName.version);
pkgObj.attr("system", i.querySystem());
pkgObj.attr("outputName", i.queryOutputName());
json &pkgObj = topObj[i.attrPath];
pkgObj = {
{"name", drvName.fullName},
{"pname", drvName.name},
{"version", drvName.version},
{"system", i.querySystem()},
{"outputName", i.queryOutputName()},
};
{
DrvInfo::Outputs outputs = i.queryOutputs(printOutPath);
JSONObject outputObj = pkgObj.object("outputs");
json &outputObj = pkgObj["outputs"];
outputObj = json::object();
for (auto & j : outputs) {
if (j.second)
outputObj.attr(j.first, globals.state->store->printStorePath(*j.second));
outputObj[j.first] = globals.state->store->printStorePath(*j.second);
else
outputObj.attr(j.first, nullptr);
outputObj[j.first] = nullptr;
}
}
if (printMeta) {
JSONObject metaObj = pkgObj.object("meta");
json &metaObj = pkgObj["meta"];
metaObj = json::object();
StringSet metaNames = i.queryMetaNames();
for (auto & j : metaNames) {
Value * v = i.queryMeta(j);
if (!v) {
printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
metaObj.attr(j, nullptr);
metaObj[j] = nullptr;
} else {
auto placeholder = metaObj.placeholder(j);
PathSet context;
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context);
metaObj[j] = printValueAsJSON(*globals.state, true, *v, noPos, context);
}
}
}
@ -958,6 +962,7 @@ static void queryJSON(Globals & globals, std::vector<DrvInfo> & elems, bool prin
throw;
}
}
std::cout << topObj.dump(2);
}