1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 < const std::function<void()> &handler); using duration = std::chrono::steady_clock::duration; void addTimerEvent(const std::chrono::microseconds period, const std::function<void()> &handler); private: struct Event { Event(const std::function<void()> &callback); ~Event(); static void dispatch(int fd, short events, void *arg); std::function<void()> callback_; struct event *event_; }; static EventLoop *instance_; struct event_base *base_; int exitC#!/usr/bin/env python3 # SPDX-License-Identifier: GPL-2.0-or-later # Copyright (C) 2019, Google Inc. # # Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # # gen-controls.py - Generate control definitions from YAML import argparse import string import sys import yaml def snake_case(s): return ''.join([c.isupper() and ('_' + c) or c for c in s]).strip('_') def format_description(description): description = description.strip('\n').split('\n') description[0] = '\\brief ' + description[0] return '\n'.join([(line and ' * ' or ' *') + line for line in description]) def generate_cpp(controls): enum_doc_start_template = string.Template('''/** * \\enum ${name}Enum * \\brief Supported ${name} values''') enum_doc_value_template = string.Template(''' * \\var ${value} ${description}''') doc_template = string.Template('''/** * \\var ${name} ${description} */''') def_template = string.Template('extern const Control<${type}> ${name}(${id_name}, "${name}");') enum_values_doc = string.Template('''/** * \\var ${name}Values * \\brief List of all $name supported values */''') enum_values_start = string.Template('''extern const std::array<const ControlValue, ${size}> ${name}Values = {''') enum_values_values = string.Template('''\tstatic_cast<int32_t>(${name}),''') ctrls_doc = [] ctrls_def = [] draft_ctrls_doc = [] draft_ctrls_def = [] ctrls_map = [] for ctrl in controls: name, ctrl = ctrl.popitem() id_name = snake_case(name).upper() ctrl_type = ctrl['type'] if ctrl_type == 'string': ctrl_type = 'std::string' elif ctrl.get('size'): ctrl_type = 'Span<const %s>' % ctrl_type info = { 'name': name, 'type': ctrl_type, 'description': format_description(ctrl['description']), 'id_name': id_name, } target_doc = ctrls_doc target_def = ctrls_def if ctrl.get('draft'): target_doc = draft_ctrls_doc target_def = draft_ctrls_def enum = ctrl.get('enum') if enum: enum_doc = [] enum_doc.append(enum_doc_start_template.substitute(info)) num_entries = 0 for entry in enum: value_info = { 'name': name, 'value': entry['name'], 'description': format_description(entry['description']), } enum_doc.append(enum_doc_value_template.substitute(value_info)) num_entries += 1 enum_doc = '\n *\n'.join(enum_doc) enum_doc += '\n */' target_doc.append(enum_doc) values_info = { 'name': info['name'], 'size': num_entries, } target_doc.append(enum_values_doc.substitute(values_info)) target_def.append(enum_values_start.substitute(values_info)) for entry in enum: value_info = { 'name': entry['name'] } target_def.append(enum_values_values.substitute(value_info)) target_def.append("};") target_doc.append(doc_template.substitute(info)) target_def.append(def_template.substitute(info)) if ctrl.get('draft'): name = 'draft::' + name ctrls_map.append('\t{ ' + id_name + ', &' + name + ' },') return { 'controls_doc': '\n\n'.join(ctrls_doc), 'controls_def': '\n'.join(ctrls_def), 'draft_controls_doc': '\n\n'.join(draft_ctrls_doc), 'draft_controls_def': '\n\n'.join(draft_ctrls_def), 'controls_map': '\n'.join(ctrls_map), } def generate_h(controls): enum_template_start = string.Template('''enum ${name}Enum {''') enum_value_template = string.Template('''\t${name} = ${value},''') enum_values_template = string.Template('''extern const std::array<const ControlValue, ${size}> ${name}Values;''') template = string.Template('''extern const Control<${type}> ${name};''') ctrls = [] draft_ctrls = [] ids = [] id_value = 1 for ctrl in controls: name, ctrl = ctrl.popitem() id_name = snake_case(name).upper() ids.append('\t' + id_name + ' = ' + str(id_value) + ',') ctrl_type = ctrl['type'] if ctrl_type == 'string': ctrl_type = 'std::string' elif ctrl.get('size'): ctrl_type = 'Span<const %s>' % ctrl_type info = { 'name': name, 'type': ctrl_type, } target_ctrls = ctrls if ctrl.get('draft'): target_ctrls = draft_ctrls enum = ctrl.get('enum') if enum: target_ctrls.append(enum_template_start.substitute(info)) num_entries = 0 for entry in enum: value_info = { 'name': entry['name'], 'value': entry['value'], } target_ctrls.append(enum_value_template.substitute(value_info)) num_entries += 1 target_ctrls.append("};") values_info = { 'name': info['name'], 'size': num_entries, } target_ctrls.append(enum_values_template.substitute(values_info)) target_ctrls.append(template.substitute(info)) id_value += 1 return { 'ids': '\n'.join(ids), 'controls': '\n'.join(ctrls), 'draft_controls': '\n'.join(draft_ctrls) } def fill_template(template, data): template = open(template, 'rb').read() template = template.decode('utf-8') template = string.Template(template) return template.substitute(data) def main(argv): # Parse command line arguments parser = argparse.ArgumentParser() parser.add_argument('-o', dest='output', metavar='file', type=str, help='Output file name. Defaults to standard output if not specified.') parser.add_argument('input', type=str, help='Input file name.') parser.add_argument('template', type=str, help='Template file name.') args = parser.parse_args(argv[1:]) data = open(args.input, 'rb').read() controls = yaml.safe_load(data)['controls'] if args.template.endswith('.cpp.in'): data = generate_cpp(controls) elif args.template.endswith('.h.in'): data = generate_h(controls) else: raise RuntimeError('Unknown template type') data = fill_template(args.template, data) if args.output: output = open(args.output, 'wb') output.write(data.encode('utf-8')) output.close() else: sys.stdout.write(data) return 0 if __name__ == '__main__': sys.exit(main(sys.argv)) |