def gen_store_code_for_field(f, msg, parent_struct_name):
tmpl = ""
if util.field_is_message(f) and util.field_is_repeated(f):
tmpl = (
" output.{field}.length = input.{field}.length; \n"
" for(uint i{i}=0; i{i}<input.{field}.length; i{i}++) {{ \n"
" {lib}.store(input.{field}[i{i}], output.{field}[i{i}]); \n"
" {map_insert_code}"
" }}"
)
elif util.field_is_message(f):
tmpl = (
" {lib}.store(input.{field}, output.{field}); \n"
)
else:
return (
" output.{field} = input.{field}; \n"
).format(
field = f.name,
)
libname = util.gen_struct_codec_lib_name_from_field(f)
return tmpl.format(
i = f.number,
field = f.name,
lib = libname,
map_insert_code = gen_map_insert_on_store(f, msg, parent_struct_name)
)
def gen_value_copy_code(value_field, dst_flagment):
if util.field_is_message(value_field):
return ("{struct_name}.store(value, {dst}.value);").format(
struct_name=util.gen_struct_codec_lib_name_from_field(value_field),
dst=dst_flagment)
else:
return ("{dst}.value = value;").format(dst=dst_flagment)
def gen_store_code_for_field(f, msg, parent_struct_name):
tmpl = ""
if util.field_is_message(f) and util.field_is_repeated(f):
tmpl = sol_constants.STORE_REPEATED
elif util.field_is_message(f):
tmpl = sol_constants.STORE_MESSAGE
else:
return (sol_constants.STORE_OTHER).format(field=f.name)
libname = util.gen_struct_codec_lib_name_from_field(f)
return tmpl.format(i=f.number,
field=f.name,
lib=libname,
map_insert_code=gen_map_insert_on_store(
f, msg, parent_struct_name))
def gen_map_helper_codes_for_field(f, nested_type):
kf = nested_type.field[0]
vf = nested_type.field[1]
return (""" //map helpers for {name}
function get_{name}(Data storage self, {key_type} key) internal view returns ({value_type} {storage_type}) {{
return {val_name}[{map_name}[key] - 1].value;
}}
function search_{name}(Data storage self, {key_type} key) internal view returns (bool, {value_type} {storage_type}) {{
if ({map_name}[key] <= 0) {{ return (false, {val_name}[0].value); }}
return (true, {val_name}[{map_name}[key] - 1].value);
}}
function add_{name}(Data storage self, {key_type} key, {value_type} value) internal {{
if ({map_name}[key] != 0) {{
{copy_value_exists}
}} else {{
{val_name}.length++;
{val_name}[{val_name}.length - 1].key = key;
{copy_value_new}
{map_name}[key] = {val_name}.length;
}}
}}
function rm_{name}(Data storage self, {key_type} key) internal {{
uint pos = {map_name}[key];
if (pos == 0) {{
return;
}}
{val_name}[pos - 1] = {val_name}[{val_name}.length - 1];
{val_name}.length--;
delete {map_name}[key];
}}
"""
).format(
name = f.name,
val_name="self.{0}".format(f.name),
map_name = "self._{0}_map".format(f.name),
key_type=util.gen_global_type_name_from_field(kf),
value_type=util.gen_global_type_name_from_field(vf),
storage_type="storage" if (util.field_is_repeated(vf) or util.field_is_message(vf)) else "",
container_type=util.gen_global_type_name_from_field(f),
copy_value_exists=gen_value_copy_code(vf, ("self.{0}[self._{0}_map[key] - 1]").format(f.name)),
copy_value_new=gen_value_copy_code(vf, ("self.{0}[self.{0}.length - 1]").format(f.name)),
);
def gen_struct_decoders(msg, parent_struct_name):
return ''.join(
list(
map((lambda f: gen_struct_decoder(f, msg, parent_struct_name)
if util.field_is_message(f) else ""), msg.field)))