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c23c8659 ML |
1 | ## |
2 | ## This file is part of the libsigrok project. | |
3 | ## | |
4 | ## Copyright (C) 2014 Martin Ling <martin-sigrok@earth.li> | |
5 | ## | |
6 | ## This program is free software: you can redistribute it and/or modify | |
7 | ## it under the terms of the GNU General Public License as published by | |
8 | ## the Free Software Foundation, either version 3 of the License, or | |
9 | ## (at your option) any later version. | |
10 | ## | |
11 | ## This program is distributed in the hope that it will be useful, | |
12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ## GNU General Public License for more details. | |
15 | ## | |
16 | ## You should have received a copy of the GNU General Public License | |
17 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | ## | |
19 | ||
3532ed01 | 20 | from xml.etree import ElementTree |
c23c8659 ML |
21 | from collections import OrderedDict |
22 | import sys, os, re | |
23 | ||
3532ed01 | 24 | index_file = sys.argv[1] |
6884b52b | 25 | |
c23c8659 ML |
26 | # Get directory this script is in. |
27 | dirname = os.path.dirname(os.path.realpath(__file__)) | |
28 | ||
c23c8659 ML |
29 | mapping = dict([ |
30 | ('sr_loglevel', 'LogLevel'), | |
31 | ('sr_packettype', 'PacketType'), | |
32 | ('sr_mq', 'Quantity'), | |
33 | ('sr_unit', 'Unit'), | |
34 | ('sr_mqflag', 'QuantityFlag'), | |
35 | ('sr_configkey', 'ConfigKey'), | |
36 | ('sr_datatype', 'DataType'), | |
37 | ('sr_channeltype', 'ChannelType'), | |
38 | ('sr_trigger_matches', 'TriggerMatchType')]) | |
39 | ||
3532ed01 | 40 | index = ElementTree.parse(index_file) |
c23c8659 ML |
41 | |
42 | # Build mapping between class names and enumerations. | |
3532ed01 ML |
43 | |
44 | classes = OrderedDict() | |
45 | ||
46 | for compound in index.findall('compound'): | |
47 | if compound.attrib['kind'] != 'file': | |
48 | continue | |
49 | filename = os.path.join( | |
50 | os.path.dirname(index_file), | |
51 | '%s.xml' % compound.attrib['refid']) | |
52 | doc = ElementTree.parse(filename) | |
53 | for section in doc.find('compounddef').findall('sectiondef'): | |
54 | if section.attrib["kind"] != 'enum': | |
55 | continue | |
56 | for member in section.findall('memberdef'): | |
57 | if member.attrib["kind"] != 'enum': | |
58 | continue | |
59 | name = member.find('name').text | |
60 | if name in mapping: | |
61 | classes[member] = mapping[name] | |
c23c8659 ML |
62 | |
63 | header = open(os.path.join(dirname, 'include/libsigrok/enums.hpp'), 'w') | |
64 | code = open(os.path.join(dirname, 'enums.cpp'), 'w') | |
65 | ||
66 | for file in (header, code): | |
67 | print >> file, "/* Generated file - edit enums.py instead! */" | |
68 | ||
69 | # Template for beginning of class declaration and public members. | |
70 | header_public_template = """ | |
71 | class SR_API {classname} : public EnumValue<enum {enumname}> | |
72 | {{ | |
73 | public: | |
74 | static const {classname} *get(int id); | |
75 | """ | |
76 | ||
77 | # Template for beginning of private members. | |
78 | header_private_template = """ | |
79 | private: | |
80 | static const std::map<enum {enumname}, const {classname} *> values; | |
81 | {classname}(enum {enumname} id, const char name[]); | |
82 | """ | |
83 | ||
84 | # Template for class method definitions. | |
85 | code_template = """ | |
86 | {classname}::{classname}(enum {enumname} id, const char name[]) : | |
87 | EnumValue<enum {enumname}>(id, name) | |
88 | {{ | |
89 | }} | |
90 | ||
91 | const {classname} *{classname}::get(int id) | |
92 | {{ | |
93 | return {classname}::values.at(static_cast<{enumname}>(id)); | |
94 | }} | |
95 | """ | |
96 | ||
3532ed01 ML |
97 | for enum, classname in classes.items(): |
98 | ||
99 | enum_name = enum.find('name').text | |
100 | member_names = [m.find('name').text for m in enum.findall('enumvalue')] | |
101 | trimmed_names = [re.sub("^SR_[A-Z]+_", "", n) for n in member_names] | |
c23c8659 ML |
102 | |
103 | # Begin class and public declarations | |
104 | print >> header, header_public_template.format( | |
3532ed01 | 105 | classname=classname, enumname=enum_name) |
c23c8659 ML |
106 | |
107 | # Declare public pointers for each enum value | |
3532ed01 ML |
108 | for trimmed_name in trimmed_names: |
109 | print >> header, '\tstatic const %s * const %s;' % ( | |
110 | classname, trimmed_name) | |
c23c8659 ML |
111 | |
112 | # Declare additional methods if present | |
113 | filename = os.path.join(dirname, "%s_methods.hpp" % classname) | |
114 | if os.path.exists(filename): | |
115 | print >> header, str.join('', open(filename).readlines()) | |
116 | ||
117 | # Begin private declarations | |
118 | print >> header, header_private_template.format( | |
3532ed01 | 119 | classname=classname, enumname=enum_name) |
c23c8659 ML |
120 | |
121 | # Declare private constants for each enum value | |
3532ed01 | 122 | for trimmed_name in trimmed_names: |
c23c8659 ML |
123 | print >> header, '\tstatic const %s _%s;' % (classname, trimmed_name) |
124 | ||
125 | # End class declaration | |
126 | print >> header, '};' | |
127 | ||
128 | # Begin class code | |
129 | print >> code, code_template.format( | |
3532ed01 | 130 | classname=classname, enumname=enum_name) |
c23c8659 ML |
131 | |
132 | # Define private constants for each enum value | |
3532ed01 | 133 | for name, trimmed_name in zip(member_names, trimmed_names): |
c23c8659 ML |
134 | print >> code, 'const %s %s::_%s = %s(%s, "%s");' % ( |
135 | classname, classname, trimmed_name, classname, name, trimmed_name) | |
136 | ||
137 | # Define public pointers for each enum value | |
3532ed01 | 138 | for trimmed_name in trimmed_names: |
c23c8659 ML |
139 | print >> code, 'const %s * const %s::%s = &%s::_%s;' % ( |
140 | classname, classname, trimmed_name, classname, trimmed_name) | |
141 | ||
142 | # Define map of enum values to constants | |
143 | print >> code, 'const std::map<enum %s, const %s *> %s::values = {' % ( | |
3532ed01 ML |
144 | enum_name, classname, classname) |
145 | for name, trimmed_name in zip(member_names, trimmed_names): | |
c23c8659 ML |
146 | print >> code, '\t{%s, %s::%s},' % (name, classname, trimmed_name) |
147 | print >> code, '};' | |
148 | ||
149 | # Define additional methods if present | |
150 | filename = os.path.join(dirname, "%s_methods.cpp" % classname) | |
151 | if os.path.exists(filename): | |
152 | print >> code, str.join('', open(filename).readlines()) |