diff options
Diffstat (limited to 'utils/gen-controls.py')
| -rwxr-xr-x | utils/gen-controls.py | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/utils/gen-controls.py b/utils/gen-controls.py deleted file mode 100755 index 1075ae30..00000000 --- a/utils/gen-controls.py +++ /dev/null @@ -1,313 +0,0 @@ -#!/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 -from functools import reduce -import operator -import string -import sys -import yaml - - -class ControlEnum(object): - def __init__(self, data): - self.__data = data - - @property - def description(self): - """The enum description""" - return self.__data.get('description') - - @property - def name(self): - """The enum name""" - return self.__data.get('name') - - @property - def value(self): - """The enum value""" - return self.__data.get('value') - - -class Control(object): - def __init__(self, name, data): - self.__name = name - self.__data = data - self.__enum_values = None - self.__size = None - - enum_values = data.get('enum') - if enum_values is not None: - self.__enum_values = [ControlEnum(enum) for enum in enum_values] - - size = self.__data.get('size') - if size is not None: - if len(size) == 0: - raise RuntimeError(f'Control `{self.__name}` size must have at least one dimension') - - # Compute the total number of elements in the array. If any of the - # array dimension is a string, the array is variable-sized. - num_elems = 1 - for dim in size: - if type(dim) is str: - num_elems = 0 - break - - dim = int(dim) - if dim <= 0: - raise RuntimeError(f'Control `{self.__name}` size must have positive values only') - - num_elems *= dim - - self.__size = num_elems - - @property - def description(self): - """The control description""" - return self.__data.get('description') - - @property - def enum_values(self): - """The enum values, if the control is an enumeration""" - if self.__enum_values is None: - return - for enum in self.__enum_values: - yield enum - - @property - def is_enum(self): - """Is the control an enumeration""" - return self.__enum_values is not None - - @property - def is_draft(self): - """Is the control a draft control""" - return self.__data.get('draft') is not None - - @property - def name(self): - """The control name (CamelCase)""" - return self.__name - - @property - def q_name(self): - """The control name, qualified with a namespace""" - ns = 'draft::' if self.is_draft else '' - return ns + self.__name - - @property - def type(self): - typ = self.__data.get('type') - size = self.__data.get('size') - - if typ == 'string': - return 'std::string' - - if self.__size is None: - return typ - - if self.__size: - return f"Span<const {typ}, {self.__size}>" - else: - return f"Span<const {typ}>" - - -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: - id_name = snake_case(ctrl.name).upper() - - info = { - 'name': ctrl.name, - 'type': ctrl.type, - 'description': format_description(ctrl.description), - 'id_name': id_name, - } - - target_doc = ctrls_doc - target_def = ctrls_def - if ctrl.is_draft: - target_doc = draft_ctrls_doc - target_def = draft_ctrls_def - - if ctrl.is_enum: - enum_doc = [] - enum_doc.append(enum_doc_start_template.substitute(info)) - - num_entries = 0 - for enum in ctrl.enum_values: - value_info = { - 'name': ctrl.name, - 'value': enum.name, - 'description': format_description(enum.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 enum in ctrl.enum_values: - value_info = { - 'name': enum.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)) - - ctrls_map.append('\t{ ' + id_name + ', &' + ctrl.q_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: - id_name = snake_case(ctrl.name).upper() - - ids.append('\t' + id_name + ' = ' + str(id_value) + ',') - - info = { - 'name': ctrl.name, - 'type': ctrl.type, - } - - target_ctrls = ctrls - if ctrl.is_draft: - target_ctrls = draft_ctrls - - if ctrl.is_enum: - target_ctrls.append(enum_template_start.substitute(info)) - - num_entries = 0 - for enum in ctrl.enum_values: - value_info = { - 'name': enum.name, - 'value': enum.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'] - controls = [Control(*ctrl.popitem()) for ctrl in 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)) |