utils: codegen: gen-controls.py: Convert to jinja2 templates
Jinja2 templates help separate the logic related to the template from the generation of the data. The python code becomes much clearer as a result. As an added bonus, we can use a single template file for both controls and properties. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
parent
48f9660acd
commit
dc067c4bce
7 changed files with 175 additions and 340 deletions
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@ -2,7 +2,7 @@
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* Control ID list
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* {{mode|capitalize}} ID list
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*
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* This file is auto-generated. Do not edit.
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*/
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@ -18,18 +18,42 @@
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namespace libcamera {
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namespace controls {
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namespace {{mode}} {
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extern const ControlIdMap {{mode}};
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{%- for vendor, ctrls in controls -%}
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{% if vendor != 'libcamera' %}
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namespace {{vendor}} {
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#define LIBCAMERA_HAS_{{vendor|upper}}_VENDOR_{{mode|upper}}
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{%- endif %}
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enum {
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${ids}
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{%- for ctrl in ctrls %}
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{{ctrl.name|snake_case|upper}} = {{ctrl.id}},
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{%- endfor %}
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};
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${controls}
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{% for ctrl in ctrls -%}
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{% if ctrl.is_enum -%}
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enum {{ctrl.name}}Enum {
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{%- for enum in ctrl.enum_values %}
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{{enum.name}} = {{enum.value}},
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{%- endfor %}
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};
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extern const std::array<const ControlValue, {{ctrl.enum_values_count}}> {{ctrl.name}}Values;
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extern const std::map<std::string, {{ctrl.type}}> {{ctrl.name}}NameValueMap;
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{% endif -%}
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extern const Control<{{ctrl.type}}> {{ctrl.name}};
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{% endfor -%}
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extern const ControlIdMap controls;
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{% if vendor != 'libcamera' %}
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} /* namespace {{vendor}} */
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{% endif -%}
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${vendor_controls}
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} /* namespace controls */
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{% endfor %}
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} /* namespace {{mode}} */
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} /* namespace libcamera */
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@ -80,7 +80,7 @@ foreach mode, entry : controls_map
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properties_files_names += files_list
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endif
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template_file = files(outfile + '.in')
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template_file = files('control_ids.h.in')
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ranges_file = files('../../src/libcamera/control_ranges.yaml')
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control_headers += custom_target(header + '_h',
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input : input_files,
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@ -1,34 +0,0 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* Property ID list
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*
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* This file is auto-generated. Do not edit.
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*/
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#pragma once
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#include <map>
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#include <stdint.h>
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#include <string>
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#include <libcamera/controls.h>
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namespace libcamera {
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namespace properties {
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enum {
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${ids}
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};
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${controls}
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extern const ControlIdMap properties;
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${vendor_controls}
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} /* namespace properties */
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} /* namespace libcamera */
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@ -2,51 +2,120 @@
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* Control ID list
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* {{mode}} ID list
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*
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* This file is auto-generated. Do not edit.
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*/
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#include <libcamera/control_ids.h>
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#include <libcamera/{{filename}}.h>
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#include <libcamera/controls.h>
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/**
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* \file control_ids.h
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* \brief Camera control identifiers
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* \file {{filename}}.h
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* \brief Camera {{mode}} identifiers
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*/
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namespace libcamera {
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/**
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* \brief Namespace for libcamera controls
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* \brief Namespace for libcamera {{mode}}
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*/
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namespace controls {
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namespace {{mode}} {
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${controls_doc}
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{%- for vendor, ctrls in controls -%}
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${vendor_controls_doc}
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{%- if vendor != 'libcamera' %}
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/**
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* \brief Namespace for {{vendor}} {{mode}}
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*/
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namespace {{vendor}} {
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{%- endif -%}
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{% for ctrl in ctrls %}
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{% if ctrl.is_enum -%}
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/**
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* \enum {{ctrl.name}}Enum
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* \brief Supported {{ctrl.name}} values
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{%- for enum in ctrl.enum_values %}
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*
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* \var {{enum.name}}
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* \brief {{enum.description|format_description}}
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{%- endfor %}
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*/
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/**
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* \var {{ctrl.name}}Values
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* \brief List of all {{ctrl.name}} supported values
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*/
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/**
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* \var {{ctrl.name}}NameValueMap
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* \brief Map of all {{ctrl.name}} supported value names (in std::string format) to value
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*/
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{% endif -%}
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/**
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* \var {{ctrl.name}}
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* \brief {{ctrl.description|format_description}}
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*/
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{%- endfor %}
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{% if vendor != 'libcamera' %}
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} /* namespace {{vendor}} */
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{% endif -%}
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{%- endfor %}
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#ifndef __DOXYGEN__
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/*
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* Keep the controls definitions hidden from doxygen as it incorrectly parses
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* Keep the {{mode}} definitions hidden from doxygen as it incorrectly parses
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* them as functions.
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*/
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${controls_def}
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{% for vendor, ctrls in controls -%}
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${vendor_controls_def}
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{% if vendor != 'libcamera' %}
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namespace {{vendor}} {
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{% endif %}
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#endif
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{%- for ctrl in ctrls %}
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{% if ctrl.is_enum -%}
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extern const std::array<const ControlValue, {{ctrl.enum_values_count}}> {{ctrl.name}}Values = {
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{%- for enum in ctrl.enum_values %}
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static_cast<{{ctrl.type}}>({{enum.name}}),
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{%- endfor %}
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};
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extern const std::map<std::string, {{ctrl.type}}> {{ctrl.name}}NameValueMap = {
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{%- for enum in ctrl.enum_values %}
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{ "{{enum.name}}", {{enum.name}} },
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{%- endfor %}
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};
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{% endif -%}
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extern const Control<{{ctrl.type}}> {{ctrl.name}}({{ctrl.name|snake_case|upper}}, "{{ctrl.name}}");
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{%- endfor %}
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{% if vendor != 'libcamera' %}
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} /* namespace {{vendor}} */
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{% endif -%}
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{%- endfor %}
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#endif /* __DOXYGEN__ */
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/**
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* \brief List of all supported libcamera controls
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* \brief List of all supported libcamera {{mode}}
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{%- if mode == 'controls' %}
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*
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* Unless otherwise stated, all controls are bi-directional, i.e. they can be
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* set through Request::controls() and returned out through Request::metadata().
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{%- endif %}
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*/
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extern const ControlIdMap controls {
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${controls_map}
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extern const ControlIdMap {{mode}} {
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{%- for vendor, ctrls in controls -%}
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{%- for ctrl in ctrls %}
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{ {{ctrl.namespace}}{{ctrl.name|snake_case|upper}}, &{{ctrl.namespace}}{{ctrl.name}} },
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{%- endfor -%}
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{%- endfor %}
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};
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} /* namespace controls */
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} /* namespace {{mode}} */
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} /* namespace libcamera */
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@ -143,9 +143,10 @@ foreach mode, inout_files : controls_mode_files
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input_files = inout_files[0]
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output_file = inout_files[1]
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template_file = files(output_file + '.in')
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template_file = files('control_ids.cpp.in')
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ranges_file = files('control_ranges.yaml')
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control_sources += custom_target(mode + '_cpp',
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control_sources += custom_target(mode + '_ids_cpp',
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input : input_files,
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output : output_file,
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command : [gen_controls, '-o', '@OUTPUT@',
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@ -1,48 +0,0 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* Property ID list
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*
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* This file is auto-generated. Do not edit.
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*/
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#include <libcamera/property_ids.h>
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/**
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* \file property_ids.h
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* \brief Camera property identifiers
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*/
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namespace libcamera {
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/**
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* \brief Namespace for libcamera properties
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*/
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namespace properties {
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${controls_doc}
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${vendor_controls_doc}
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#ifndef __DOXYGEN__
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/*
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* Keep the properties definitions hidden from doxygen as it incorrectly parses
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* them as functions.
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*/
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${controls_def}
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${vendor_controls_def}
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#endif
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/**
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* \brief List of all supported libcamera properties
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*/
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extern const ControlIdMap properties {
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${controls_map}
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};
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} /* namespace properties */
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} /* namespace libcamera */
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# Generate control definitions from YAML
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import argparse
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from functools import reduce
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import operator
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import string
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import jinja2
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import os
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import sys
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import yaml
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import os
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class ControlEnum(object):
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@ -81,6 +79,13 @@ class Control(object):
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for enum in self.__enum_values:
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yield enum
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@property
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def enum_values_count(self):
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"""The number of enum values, if the control is an enumeration"""
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if self.__enum_values is None:
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return 0
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return len(self.__enum_values)
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@property
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def is_enum(self):
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"""Is the control an enumeration"""
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@ -119,221 +124,21 @@ def snake_case(s):
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def format_description(description):
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description = description.strip('\n').split('\n')
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description[0] = '\\brief ' + description[0]
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return '\n'.join([(line and ' * ' or ' *') + line for line in description])
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for i in range(1, len(description)):
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line = description[i]
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description[i] = (line and ' * ' or ' *') + line
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return '\n'.join(description)
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def generate_cpp(controls):
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enum_doc_start_template = string.Template('''/**
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* \\enum ${name}Enum
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* \\brief Supported ${name} values''')
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enum_doc_value_template = string.Template(''' * \\var ${value}
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${description}''')
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doc_template = string.Template('''/**
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* \\var ${name}
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${description}
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*/''')
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def_template = string.Template('extern const Control<${type}> ${name}(${id_name}, "${name}");')
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enum_values_doc = string.Template('''/**
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* \\var ${name}Values
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* \\brief List of all $name supported values
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*/''')
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enum_values_start = string.Template('''extern const std::array<const ControlValue, ${size}> ${name}Values = {''')
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enum_values_values = string.Template('''\tstatic_cast<int32_t>(${name}),''')
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name_value_map_doc = string.Template('''/**
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* \\var ${name}NameValueMap
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* \\brief Map of all $name supported value names (in std::string format) to value
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*/''')
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name_value_map_start = string.Template('''extern const std::map<std::string, ${type}> ${name}NameValueMap = {''')
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name_value_values = string.Template('''\t{ "${name}", ${name} },''')
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def extend_control(ctrl, id, ranges):
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ctrl.id = ranges[ctrl.vendor] + id + 1
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ctrls_doc = {}
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ctrls_def = {}
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ctrls_map = []
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if ctrl.vendor != 'libcamera':
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ctrl.namespace = f'{ctrl.vendor}::'
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else:
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ctrl.namespace = ''
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for ctrl in controls:
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id_name = snake_case(ctrl.name).upper()
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vendor = ctrl.vendor
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if vendor not in ctrls_doc:
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ctrls_doc[vendor] = []
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ctrls_def[vendor] = []
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info = {
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'name': ctrl.name,
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'type': ctrl.type,
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'description': format_description(ctrl.description),
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'id_name': id_name,
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}
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target_doc = ctrls_doc[vendor]
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target_def = ctrls_def[vendor]
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if ctrl.is_enum:
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enum_doc = []
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enum_doc.append(enum_doc_start_template.substitute(info))
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num_entries = 0
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for enum in ctrl.enum_values:
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value_info = {
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'name': ctrl.name,
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'value': enum.name,
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'description': format_description(enum.description),
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}
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enum_doc.append(enum_doc_value_template.substitute(value_info))
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num_entries += 1
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enum_doc = '\n *\n'.join(enum_doc)
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enum_doc += '\n */'
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target_doc.append(enum_doc)
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values_info = {
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'name': info['name'],
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'type': ctrl.type,
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'size': num_entries,
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}
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target_doc.append(enum_values_doc.substitute(values_info))
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target_def.append(enum_values_start.substitute(values_info))
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for enum in ctrl.enum_values:
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value_info = {
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'name': enum.name
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}
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target_def.append(enum_values_values.substitute(value_info))
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target_def.append("};")
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target_doc.append(name_value_map_doc.substitute(values_info))
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target_def.append(name_value_map_start.substitute(values_info))
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for enum in ctrl.enum_values:
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value_info = {
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'name': enum.name
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}
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target_def.append(name_value_values.substitute(value_info))
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target_def.append("};")
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target_doc.append(doc_template.substitute(info))
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target_def.append(def_template.substitute(info))
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vendor_ns = vendor + '::' if vendor != "libcamera" else ''
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ctrls_map.append('\t{ ' + vendor_ns + id_name + ', &' + vendor_ns + ctrl.name + ' },')
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vendor_ctrl_doc_sub = []
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vendor_ctrl_template = string.Template('''
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/**
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* \\brief Namespace for ${vendor} controls
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*/
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namespace ${vendor} {
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${vendor_controls_str}
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} /* namespace ${vendor} */''')
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for vendor in [v for v in ctrls_doc.keys() if v not in ['libcamera']]:
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vendor_ctrl_doc_sub.append(vendor_ctrl_template.substitute({'vendor': vendor, 'vendor_controls_str': '\n\n'.join(ctrls_doc[vendor])}))
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vendor_ctrl_def_sub = []
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for vendor in [v for v in ctrls_def.keys() if v not in ['libcamera']]:
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vendor_ctrl_def_sub.append(vendor_ctrl_template.substitute({'vendor': vendor, 'vendor_controls_str': '\n'.join(ctrls_def[vendor])}))
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return {
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'controls_doc': '\n\n'.join(ctrls_doc['libcamera']),
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'controls_def': '\n'.join(ctrls_def['libcamera']),
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'controls_map': '\n'.join(ctrls_map),
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'vendor_controls_doc': '\n'.join(vendor_ctrl_doc_sub),
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'vendor_controls_def': '\n'.join(vendor_ctrl_def_sub),
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}
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def generate_h(controls, mode, ranges):
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enum_template_start = string.Template('''enum ${name}Enum {''')
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enum_value_template = string.Template('''\t${name} = ${value},''')
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enum_values_template = string.Template('''extern const std::array<const ControlValue, ${size}> ${name}Values;''')
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name_value_map_template = string.Template('''extern const std::map<std::string, ${type}> ${name}NameValueMap;''')
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template = string.Template('''extern const Control<${type}> ${name};''')
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ctrls = {}
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ids = {}
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id_value = {}
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for ctrl in controls:
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id_name = snake_case(ctrl.name).upper()
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vendor = ctrl.vendor
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if vendor not in ctrls:
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if vendor not in ranges.keys():
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raise RuntimeError(f'Control id range is not defined for vendor {vendor}')
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id_value[vendor] = ranges[vendor] + 1
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ids[vendor] = []
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ctrls[vendor] = []
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target_ids = ids[vendor]
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target_ids.append('\t' + id_name + ' = ' + str(id_value[vendor]) + ',')
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info = {
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'name': ctrl.name,
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'type': ctrl.type,
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}
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target_ctrls = ctrls[vendor]
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|
||||
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'],
|
||||
'type': ctrl.type,
|
||||
'size': num_entries,
|
||||
}
|
||||
target_ctrls.append(enum_values_template.substitute(values_info))
|
||||
target_ctrls.append(name_value_map_template.substitute(values_info))
|
||||
|
||||
target_ctrls.append(template.substitute(info))
|
||||
id_value[vendor] += 1
|
||||
|
||||
vendor_template = string.Template('''
|
||||
namespace ${vendor} {
|
||||
|
||||
#define LIBCAMERA_HAS_${vendor_def}_VENDOR_${mode}
|
||||
|
||||
enum {
|
||||
${vendor_enums}
|
||||
};
|
||||
|
||||
${vendor_controls}
|
||||
|
||||
} /* namespace ${vendor} */
|
||||
''')
|
||||
|
||||
vendor_sub = []
|
||||
for vendor in [v for v in ctrls.keys() if v != 'libcamera']:
|
||||
vendor_sub.append(vendor_template.substitute({'mode': mode.upper(),
|
||||
'vendor': vendor,
|
||||
'vendor_def': vendor.upper(),
|
||||
'vendor_enums': '\n'.join(ids[vendor]),
|
||||
'vendor_controls': '\n'.join(ctrls[vendor])}))
|
||||
|
||||
return {
|
||||
'ids': '\n'.join(ids['libcamera']),
|
||||
'controls': '\n'.join(ctrls['libcamera']),
|
||||
'vendor_controls': '\n'.join(vendor_sub)
|
||||
}
|
||||
|
||||
|
||||
def fill_template(template, data):
|
||||
|
||||
template = open(template, 'rb').read()
|
||||
template = template.decode('utf-8')
|
||||
template = string.Template(template)
|
||||
return template.substitute(data)
|
||||
return ctrl
|
||||
|
||||
|
||||
def main(argv):
|
||||
|
|
@ -358,29 +163,47 @@ def main(argv):
|
|||
data = open(args.ranges, 'rb').read()
|
||||
ranges = yaml.safe_load(data)['ranges']
|
||||
|
||||
controls = []
|
||||
controls = {}
|
||||
for input in args.input:
|
||||
with open(input, 'rb') as f:
|
||||
data = f.read()
|
||||
vendor = yaml.safe_load(data)['vendor']
|
||||
ctrls = yaml.safe_load(data)['controls']
|
||||
controls = controls + [Control(*ctrl.popitem(), vendor) for ctrl in ctrls]
|
||||
data = yaml.safe_load(open(input, 'rb').read())
|
||||
|
||||
if args.template.endswith('.cpp.in'):
|
||||
data = generate_cpp(controls)
|
||||
elif args.template.endswith('.h.in'):
|
||||
data = generate_h(controls, args.mode, ranges)
|
||||
else:
|
||||
raise RuntimeError('Unknown template type')
|
||||
vendor = data['vendor']
|
||||
if vendor not in ranges.keys():
|
||||
raise RuntimeError(f'Control id range is not defined for vendor {vendor}')
|
||||
|
||||
data = fill_template(args.template, data)
|
||||
ctrls = controls.setdefault(vendor, [])
|
||||
|
||||
for i, ctrl in enumerate(data['controls']):
|
||||
ctrl = Control(*ctrl.popitem(), vendor)
|
||||
ctrls.append(extend_control(ctrl, i, ranges))
|
||||
|
||||
# Sort the vendors by range numerical value
|
||||
controls = [[vendor, ctrls] for vendor, ctrls in controls.items()]
|
||||
controls.sort(key=lambda item: ranges[item[0]])
|
||||
|
||||
filename = {
|
||||
'controls': 'control_ids',
|
||||
'properties': 'property_ids',
|
||||
}[args.mode]
|
||||
|
||||
data = {
|
||||
'filename': filename,
|
||||
'mode': args.mode,
|
||||
'controls': controls,
|
||||
}
|
||||
|
||||
env = jinja2.Environment()
|
||||
env.filters['format_description'] = format_description
|
||||
env.filters['snake_case'] = snake_case
|
||||
template = env.from_string(open(args.template, 'r', encoding='utf-8').read())
|
||||
string = template.render(data)
|
||||
|
||||
if args.output:
|
||||
output = open(args.output, 'wb')
|
||||
output.write(data.encode('utf-8'))
|
||||
output = open(args.output, 'w', encoding='utf-8')
|
||||
output.write(string)
|
||||
output.close()
|
||||
else:
|
||||
sys.stdout.write(data)
|
||||
sys.stdout.write(string)
|
||||
|
||||
return 0
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue