wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-27 00:11:17 +02:00
Code Activity

Refactor JSON output

Browse source
This commit is contained in:
Eelco Dolstra 2013-11-19 00:33:06 +01:00
parent 77c13cdf56
commit 5fea98111b
2 changed files with 56 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

50
src/libexpr/value-to-json.hh
View file

@ -11,4 +11,54 @@ namespace nix {
void printValueAsJSON(EvalState & state, bool strict,
Value & v, std::ostream & out, PathSet & context);
void escapeJSON(std::ostream & str, const string & s);
struct JSONObject
{
std::ostream & str;
bool first;
JSONObject(std::ostream & str) : str(str), first(true)
{
str << "{";
}
~JSONObject()
{
str << "}";
}
void attr(const string & s)
{
if (!first) str << ","; else first = false;
escapeJSON(str, s);
str << ":";
}
void attr(const string & s, const string & t)
{
attr(s);
escapeJSON(str, t);
}
};
struct JSONList
{
std::ostream & str;
bool first;
JSONList(std::ostream & str) : str(str), first(true)
{
str << "[";
}
~JSONList()
{
str << "]";
}
void elem()
{
if (!first) str << ","; else first = false;
}
void elem(const string & s)
{
elem();
escapeJSON(str, s);
}
};
}