1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3
4# Copyright (c) 2020-2021 Huawei Device Co., Ltd.
5#
6# HDF is dual licensed: you can use it either under the terms of
7# the GPL, or the BSD license, at your option.
8# See the LICENSE file in the root of this repository for complete details.
9
10
11import os
12import re
13
14import hdf_utils
15from hdf_tool_exception import HdfToolException
16from .hdf_command_error_code import CommandErrorCode
17
18
19class HdfLiteSettingsMkFile(object):
20    def __init__(self, root_dir):
21        self.root_dir = root_dir
22        self.file_path = hdf_utils.get_hdf_lite_settings_mk_path(root_dir)
23        if os.path.exists(self.file_path):
24            self.lines = hdf_utils.read_file_lines(self.file_path)
25        else:
26            dir_path = os.path.dirname(self.file_path)
27            if not os.path.exists(dir_path):
28                os.makedirs(dir_path)
29            self.lines = []
30        self.line_pattern = r'(%s\s*:=\s*)(.*)'
31        self.hdf_vendor_var_name = 'HDF_COMPILE_VENDOR'
32        self.board_vendor_path_var_name = 'HDF_SET_BOARD_VENDOR_PATH'
33
34    def _save(self):
35        if self.lines:
36            hdf_utils.write_file(self.file_path, ''.join(self.lines))
37
38    def _append(self, new_line):
39        self.lines.append(new_line)
40        self._save()
41
42    def _find_var_line(self, var_name):
43        for index, line in enumerate(self.lines):
44            if var_name in line:
45                return index, line
46        return 0, ''
47
48    def _is_vendor_valid(self, vendor_name):
49        vendor_hdf_path = \
50            hdf_utils.get_vendor_hdf_dir(self.root_dir, vendor_name)
51        if os.path.exists(vendor_hdf_path):
52            return True
53        return False
54
55    def _set_var_value(self, var_name, var_value):
56        idx, var_line = self._find_var_line(var_name)
57        if var_line:
58            self.lines[idx] = re.sub(self.line_pattern % var_name,
59                                     r'\g<1>%s' % var_value, var_line)
60            self._save()
61        else:
62            new_line = '\n%s := %s' % (var_name, var_value)
63            self._append(new_line)
64
65    def _get_var_value(self, var_name):
66        idx, var_line = self._find_var_line(var_name)
67        var_value = ''
68        if var_line:
69            match_obj = re.search(self.line_pattern % var_name, var_line)
70            if match_obj:
71                var_value = match_obj.group(2)
72        return var_value.strip()
73
74    def set_vendor(self, vendor_name):
75        if not self._is_vendor_valid(vendor_name):
76            raise HdfToolException('vendor: "%s" not exist' % vendor_name,
77                                   CommandErrorCode.TARGET_NOT_EXIST)
78        self._set_var_value(self.hdf_vendor_var_name, vendor_name)
79
80    def get_vendor(self):
81        vendor_name = self._get_var_value(self.hdf_vendor_var_name)
82        if self._is_vendor_valid(vendor_name):
83            return vendor_name
84        return ''
85
86    def set_board_vendor_path(self, board_vendor_path):
87        self._set_var_value(self.board_vendor_path_var_name, board_vendor_path)
88