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#!/usr/bin/env python3
import os
import re
import argparse
from collections import defaultdict
style_properties_type = {
"LV_STYLE_BG_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_BG_GRAD_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_BG_IMAGE_SRC": "LV_PROPERTY_TYPE_IMGSRC",
"LV_STYLE_BG_IMAGE_RECOLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_BORDER_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_OUTLINE_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_SHADOW_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_IMAGE_RECOLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_ARCH_IMAGE_SRC": "LV_PROPERTY_TYPE_IMGSRC",
"LV_STYLE_ARCH_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_TEXT_COLOR": "LV_PROPERTY_TYPE_COLOR",
"LV_STYLE_TEXT_FONT": "LV_PROPERTY_TYPE_FONT",
"LV_STYLE_LINE_COLOR": "LV_PROPERTY_TYPE_COLOR",
}
class Property:
def __init__(self, widget, name, type, index, id):
self.widget = widget
self.name = name
self.type = type
self.index = index
self.id = id
def find_headers(directory):
if os.path.isfile(directory):
yield directory
return
for root, dirs, files in os.walk(directory):
for file in files:
if file.endswith('.h'):
yield os.path.join(root, file)
def read_widget_properties(directory):
def match_properties(file_path):
pattern = r'^\s*LV_PROPERTY_ID\((\w+),\s*(\w+),\s*(\w+),\s*(\d+)\)'
with open(file_path, 'r') as file:
for line in file.readlines():
match = re.match(pattern, line)
if match:
id = f"LV_PROPERTY_{match.group(1).upper()}_{match.group(2).upper()}"
yield Property(
match.group(1).lower(),
match.group(2).lower(), match.group(3), match.group(4),
id)
def match_styles(file_path):
pattern = r'^\s+LV_STYLE_(\w+)\s*=\s*(\d+),'
with open(file_path, 'r') as file:
for line in file.readlines():
match = re.match(pattern, line)
if match:
name = match.group(1).upper()
id = f"LV_PROPERTY_STYLE_{name}"
yield Property("style",
match.group(1).lower(), "style",
match.group(2), id)
properties_by_widget = defaultdict(list)
for file_path in find_headers(directory):
for property in match_properties(file_path):
properties_by_widget[property.widget].append(property)
for property in match_styles(file_path):
properties_by_widget[property.widget].append(property)
for widget, properties in properties_by_widget.items():
# sort properties by property name
properties.sort(key=lambda x: x.name)
properties_by_widget[widget] = properties
return properties_by_widget
def write_widget_properties(output, properties_by_widget):
# Open header file for update.
with open(f'{output}/lv_obj_property_names.h', "w") as header:
header.write(f'''
/**
* @file lv_obj_property_names.h
* GENERATED FILE, DO NOT EDIT IT!
*/
#ifndef LV_OBJ_PROPERTY_NAMES_H
#define LV_OBJ_PROPERTY_NAMES_H
#include "../../misc/lv_types.h"
#if LV_USE_OBJ_PROPERTY && LV_USE_OBJ_PROPERTY_NAME
''')
for widget in sorted(properties_by_widget.keys()):
properties = properties_by_widget[widget]
file_name = f'lv_{widget}_properties.c'
output_file = f'{output}/{file_name}'
count = len(properties)
if widget == 'style':
include = "lv_style_properties.h"
guard = None
elif widget == "obj":
include = "../../core/lv_obj.h"
guard = None
else:
include = f'../{widget}/lv_{widget}.h'
guard = f"#if LV_USE_{widget.upper()}"
with open(output_file, 'w') as f:
f.write(f'''
/**
* GENERATED FILE, DO NOT EDIT IT!
* @file {file_name}
*/
#include "{include}"
#if LV_USE_OBJ_PROPERTY && LV_USE_OBJ_PROPERTY_NAME
{guard if guard else ""}
/**
* {widget.capitalize() + ' widget' if widget != 'style' else 'Style'} property names, name must be in order.
* Generated code from properties.py
*/
/* *INDENT-OFF* */
const lv_property_name_t lv_{widget}_property_names[{count}] = {{
''')
for property in properties:
name = property.name
name_str = '"' + name + '",'
f.write(f" {{{name_str :25} {property.id},}},\n")
f.write('};\n')
if guard:
f.write(f"#endif /*LV_USE_{widget.upper()}*/\n\n")
f.write("/* *INDENT-ON* */\n")
f.write('#endif\n')
header.write(
f' extern const lv_property_name_t lv_{widget}_property_names[{count}];\n'
)
header.write('#endif\n')
header.write('#endif\n')
def write_style_header(output, properties_by_widget):
properties = properties_by_widget['style']
output_file = f'{output}/lv_style_properties.h'
with open(output_file, 'w') as f:
f.write(f'''
/**
* GENERATED FILE, DO NOT EDIT IT!
* @file lv_style_properties.h
*/
#ifndef LV_STYLE_PROPERTIES_H
#define LV_STYLE_PROPERTIES_H
#include "../../core/lv_obj_property.h"
#if LV_USE_OBJ_PROPERTY
/* *INDENT-OFF* */
enum {{
''')
for property in properties:
name = property.name
id_type = style_properties_type.get(f"LV_STYLE_{name.upper()}",
"LV_PROPERTY_TYPE_INT")
f.write(
f" LV_PROPERTY_ID(STYLE, {name.upper() + ',' :25} {id_type+',' :28} LV_STYLE_{name.upper()}),\n"
)
f.write('};\n\n')
f.write('#endif\n')
f.write('#endif\n')
def main(directory, output):
property = read_widget_properties(directory)
write_widget_properties(output, property)
write_style_header(output, property)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='Search files and filter lines.')
parser.add_argument('-d', '--directory',
help='Directory to lvgl root path')
parser.add_argument(
'-o', '--output', help='Folders to write generated properties for all widgets.')
args = parser.parse_args()
# default directory is the lvgl root path of where this script sits
if args.directory is None:
args.directory = os.path.join(os.path.dirname(__file__), "../")
if args.output is None:
args.output = os.path.join(args.directory, "src/widgets/property/")
# create output directory if it doesn't exist
os.makedirs(args.output, exist_ok=True)
main(args.directory, args.output)
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