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API-improved json stuff in util.zig

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This commit is contained in:
Rene Schallner 2023-01-20 20:10:19 +01:00
parent 27f3cb8628
commit 532d5e9d3e
1 changed files with 4 additions and 18 deletions
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22
src/util.zig
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@ -82,36 +82,22 @@ pub fn stringifyArrayListBuf(
return string.items;
}
/// provide your own allocator, NOT mutex-protected
pub fn stringifyAlloc(
a: std.mem.Allocator,
value: anytype,
options: std.json.StringifyOptions,
) ?std.ArrayList(u8) {
var string = std.ArrayList(u8).init(a);
if (std.json.stringify(value, options, string.writer())) {
return string;
} else |_| { // error
return null;
}
}
/// provide your own allocator, NOT mutex-protected
pub fn stringifyArrayListAlloc(
a: std.mem.Allocator,
comptime T: anytype,
list: *std.ArrayList(T),
options: std.json.StringifyOptions,
) !?std.ArrayList(u8) {
) ![]const u8 {
var string = std.ArrayList(u8).init(a);
var writer = string.writer();
try writer.writeByte('[');
var first: bool = true;
for (list.items) |user| {
for (list.items) |item| {
if (!first) try writer.writeByte(',');
first = false;
try std.json.stringify(user, options, string.writer());
try std.json.stringify(item, options, string.writer());
}
try writer.writeByte(']');
return string;
return string.toOwnedSlice();
}