#!/usr/bin/env?python
import?re
import?json
import?pprint
from??pprint?import?pprint
import?canmatrix
from??canmatrix?import?convert

class?frame（）:
????def?__init__（selffr_nameid）:
????????self.fr_name?=?fr_name
????????self.id?=?id



class?DBC_to_M（）:
????account?=?{}
????def?__init__（selfdbc_pathm_path）:
????????self.dbc_path?=?str（dbc_path）
????????self.m_path?=?str（m_path）

????def?Read_DBC（self）:
????????with?open（self.dbc_path）?as?f:
????????????self.dbc_file?=?f

????def?parse_dbc（self）:
????????for?line?in?self.dbc_file:
????????????mes?=?[]
????????????l?=?line.strip（）
????????????if?l.__len__（）?==?0:
????????????????continue
????????????if（l.startswith（“SG_?“））:
????????????????pass
????????????elif?（l.startswith（“BO_“））:
????????????????pattern?=?re.compile（“BO\_?（\w+）?（\w+）?*:?（\w+）?（\w+）“）
????????????????regex?=?re.match（pattern）
????????????????if?regex:
????????????????????frame_name?=?regex.group（2）
????????????????????frame_id?=?regex.group（1）
????????????????????frame_len?=?regex.group（3）
????????????????????frame_io?=?regex.group（4）

class?can_frame（）:
????sig_list?=?list（）
????#?sig_conv_list?=?list（）
????sig_conv?=?{}
????def?__init__（self）:
????????pass
????def?set_id（selfid）:
????????self.id?=?id
????def?set_name（selfname）:
????????self.name?=?name
????def?add_signal（selfsignal）:
????????self.sig_list.append（signal）
????????self._parse_signal（signal）
????def?_parse_signal（selfsignal）:
????????start_bit?=?（signal[“start_bit“]?）
????????signal_length?=?signal[“bit_length“]
????????signal_isbigendian?=?signal[“is_big_endian“]
????????Sbit_data_num?Sbit_bit_num?=?self._start_bit_position（start_bit）
????????Ebit_data_num?Ebit_bit_num?=?self._end_bit_to_data_pos（Sbit_data_numSbit_bit_numsignal_lengthsignal_isbigendian）
????????#operation?=?self._parse_bits（Sbit_data_numSbit_bit_numEbit_data_numEbit_bit_numsignal[“name“]）
????????#?operation?=?self._descripe_bits（Sbit_data_numSbit_bit_numEbit_data_numEbit_bit_numsignal[“name“]）
????????self.sig_conv[str（signal[“name“]）]?=?{“St_Bit“:?（Sbit_data_numSbit_bit_num）?“End_Bit“:（Ebit_data_numEbit_bit_num）}
????????#self.sig_conv[str（signal[“name“]）]?=?operation


????def?_start_bit_position（selfstart_bit）:
????????Sbit_bit_num?=?start_bit?%?8
????????Sbit_data_num?=?start_bit?//?8
????????return?Sbit_data_numSbit_bit_num
????def?_end_bit_to_data_pos（selfSbit_data_numSbit_bit_numdata_lengthis_big_endian）:?#?give?the??data_length?and?data_position?of?each?signal??calculate
????????Ebit_data_num?=?Sbit_data_num
????????Ebit_bit_num?=?Sbit_bit_num????????????????????????????????????????????????????????????????????????????#end_bit‘s?position
????????for?count?in?range（data_length?-?1）:
????????????print（count）
????????????if?Ebit_bit_num?????????????????Ebit_bit_num?=?Ebit_bit_num?+?1
????????????elif?Ebit_bit_num?==?8:
????????????????Ebit_bit_num?=?1
????????????????if?Ebit_data_num?????????????????????if?is_big_endian?==?True:
????????????????????