Function nextAllocMax [src]
This function is only available after endInput() (or initCompleteInput()) has been called.
See also std.json.Token for documentation of nextAlloc*() function behavior.
Prototype
pub fn nextAllocMax(self: *@This(), allocator: Allocator, when: AllocWhen, max_value_len: usize) AllocError!Token Parameters
self: *@This()allocator: Allocatorwhen: AllocWhenmax_value_len: usize Possible Errors
Source
pub fn nextAllocMax(self: *@This(), allocator: Allocator, when: AllocWhen, max_value_len: usize) AllocError!Token {
assert(self.is_end_of_input); // This function is not available in streaming mode.
const token_type = self.peekNextTokenType() catch |e| switch (e) {
error.BufferUnderrun => unreachable,
else => |err| return err,
};
switch (token_type) {
.number, .string => {
var value_list = ArrayList(u8).init(allocator);
errdefer {
value_list.deinit();
}
if (self.allocNextIntoArrayListMax(&value_list, when, max_value_len) catch |e| switch (e) {
error.BufferUnderrun => unreachable,
else => |err| return err,
}) |slice| {
return if (token_type == .number)
Token{ .number = slice }
else
Token{ .string = slice };
} else {
return if (token_type == .number)
Token{ .allocated_number = try value_list.toOwnedSlice() }
else
Token{ .allocated_string = try value_list.toOwnedSlice() };
}
},
// Simple tokens never alloc.
.object_begin,
.object_end,
.array_begin,
.array_end,
.true,
.false,
.null,
.end_of_document,
=> return self.next() catch |e| switch (e) {
error.BufferUnderrun => unreachable,
else => |err| return err,
},
}
}