1#
2# Copyright (C) 2021 Google, Inc.
3#
4# Permission is hereby granted, free of charge, to any person obtaining a
5# copy of this software and associated documentation files (the "Software"),
6# to deal in the Software without restriction, including without limitation
7# the rights to use, copy, modify, merge, publish, distribute, sublicense,
8# and/or sell copies of the Software, and to permit persons to whom the
9# Software is furnished to do so, subject to the following conditions:
10#
11# The above copyright notice and this permission notice (including the next
12# paragraph) shall be included in all copies or substantial portions of the
13# Software.
14#
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21# IN THE SOFTWARE.
22
23from mako.template import Template
24from xml.etree import ElementTree
25import os
26import sys
27
28def dbg(str):
29    if False:
30        print(str)
31
32cnt = 0
33def cname(name):
34    global cnt
35    cnt = cnt + 1
36    return name + '_' + str(cnt)
37
38class Option(object):
39    def __init__(self, xml):
40        self.cname = cname('option')
41        self.name = xml.attrib['name']
42        self.value = xml.attrib['value']
43
44class Application(object):
45    def __init__(self, xml):
46        self.cname = cname('application')
47        self.name = xml.attrib['name']
48        self.executable = xml.attrib.get('executable', None)
49        self.executable_regexp = xml.attrib.get('executable_regexp', None)
50        self.sha1 = xml.attrib.get('sha1', None)
51        self.application_name_match = xml.attrib.get('application_name_match', None)
52        self.application_versions = xml.attrib.get('application_versions', None)
53        self.options = []
54
55        for option in xml.findall('option'):
56            self.options.append(Option(option))
57
58class Engine(object):
59    def __init__(self, xml):
60        self.cname = cname('engine')
61        self.engine_name_match = xml.attrib['engine_name_match']
62        self.engine_versions = xml.attrib.get('engine_versions', None)
63        self.options = []
64
65        for option in xml.findall('option'):
66            self.options.append(Option(option))
67
68class Device(object):
69    def __init__(self, xml):
70        self.cname = cname('device')
71        self.driver = xml.attrib.get('driver', None)
72        self.device = xml.attrib.get('device', None)
73        self.applications = []
74        self.engines = []
75
76        for application in xml.findall('application'):
77            self.applications.append(Application(application))
78
79        for engine in xml.findall('engine'):
80            self.engines.append(Engine(engine))
81
82class DriConf(object):
83    def __init__(self, xmlpath):
84        self.devices = []
85        root = ElementTree.parse(xmlpath).getroot()
86
87        for device in root.findall('device'):
88            self.devices.append(Device(device))
89
90
91template = """\
92/* Copyright (C) 2021 Google, Inc.
93 *
94 * Permission is hereby granted, free of charge, to any person obtaining a
95 * copy of this software and associated documentation files (the "Software"),
96 * to deal in the Software without restriction, including without limitation
97 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
98 * and/or sell copies of the Software, and to permit persons to whom the
99 * Software is furnished to do so, subject to the following conditions:
100 *
101 * The above copyright notice and this permission notice (including the next
102 * paragraph) shall be included in all copies or substantial portions of the
103 * Software.
104 *
105 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
106 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
107 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
108 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
109 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
110 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
111 * IN THE SOFTWARE.
112 */
113
114struct driconf_option {
115    const char *name;
116    const char *value;
117};
118
119struct driconf_application {
120    const char *name;
121    const char *executable;
122    const char *executable_regexp;
123    const char *sha1;
124    const char *application_name_match;
125    const char *application_versions;
126    unsigned num_options;
127    const struct driconf_option *options;
128};
129
130struct driconf_engine {
131    const char *engine_name_match;
132    const char *engine_versions;
133    unsigned num_options;
134    const struct driconf_option *options;
135};
136
137struct driconf_device {
138    const char *driver;
139    const char *device;
140    unsigned num_engines;
141    const struct driconf_engine *engines;
142    unsigned num_applications;
143    const struct driconf_application *applications;
144};
145
146<%def name="render_options(cname, options)">
147static const struct driconf_option ${cname}[] = {
148%    for option in options:
149    { .name = "${option.name}", .value = "${option.value}" },
150%    endfor
151};
152</%def>
153
154%for device in driconf.devices:
155%    for engine in device.engines:
156    ${render_options(engine.cname + '_options', engine.options)}
157%    endfor
158
159%if len(device.engines) > 0:
160static const struct driconf_engine ${device.cname}_engines[] = {
161%    for engine in device.engines:
162    { .engine_name_match = "${engine.engine_name_match}",
163%        if engine.engine_versions:
164      .engine_versions = "${engine.engine_versions}",
165%        endif
166      .num_options = ${len(engine.options)},
167      .options = ${engine.cname + '_options'},
168    },
169%    endfor
170};
171%endif
172
173%    for application in device.applications:
174    ${render_options(application.cname + '_options', application.options)}
175%    endfor
176
177%if len(device.applications) > 0:
178static const struct driconf_application ${device.cname}_applications[] = {
179%    for application in device.applications:
180    { .name = "${application.name}",
181%        if application.executable:
182      .executable = "${application.executable}",
183%        endif
184%        if application.executable_regexp:
185      .executable_regexp = "${application.executable_regexp}",
186%        endif
187%        if application.sha1:
188      .sha1 = "${application.sha1}",
189%        endif
190%        if application.application_name_match:
191      .application_name_match = "${application.application_name_match}",
192%        endif
193%        if application.application_versions:
194      .application_versions = "${application.application_versions}",
195%        endif
196      .num_options = ${len(application.options)},
197      .options = ${application.cname + '_options'},
198    },
199%    endfor
200};
201%endif
202
203static const struct driconf_device ${device.cname} = {
204%    if device.driver:
205    .driver = "${device.driver}",
206%    endif
207%    if device.device:
208    .device = "${device.device}",
209%    endif
210    .num_engines = ${len(device.engines)},
211%    if len(device.engines) > 0:
212    .engines = ${device.cname}_engines,
213%    endif
214    .num_applications = ${len(device.applications)},
215%    if len(device.applications) > 0:
216    .applications = ${device.cname}_applications,
217%    endif
218};
219%endfor
220
221static const struct driconf_device *driconf[] = {
222%for device in driconf.devices:
223    &${device.cname},
224%endfor
225};
226"""
227
228xml = sys.argv[1]
229dst = sys.argv[2]
230
231with open(dst, 'wb') as f:
232    f.write(Template(template, output_encoding='utf-8').render(driconf=DriConf(xml)))
233
234