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{%- let key_ffi_converter = key_type|ffi_converter_name %}
{%- let value_ffi_converter = value_type|ffi_converter_name %}
class {{ ffi_converter_name }}(_UniffiConverterRustBuffer):
@classmethod
def check_lower(cls, items):
for (key, value) in items.items():
{{ key_ffi_converter }}.check_lower(key)
{{ value_ffi_converter }}.check_lower(value)
@classmethod
def write(cls, items, buf):
buf.write_i32(len(items))
for (key, value) in items.items():
{{ key_ffi_converter }}.write(key, buf)
{{ value_ffi_converter }}.write(value, buf)
@classmethod
def read(cls, buf):
count = buf.read_i32()
if count < 0:
raise InternalError("Unexpected negative map size")
# It would be nice to use a dict comprehension,
# but in Python 3.7 and before the evaluation order is not according to spec,
# so we we're reading the value before the key.
# This loop makes the order explicit: first reading the key, then the value.
d = {}
for i in range(count):
key = {{ key_ffi_converter }}.read(buf)
val = {{ value_ffi_converter }}.read(buf)
d[key] = val
return d