mirror of
https://github.com/google/pebble.git
synced 2025-03-16 01:01:20 +00:00
189 lines
7.1 KiB
Python
189 lines
7.1 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import argparse, os, sys
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import shutil
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import watch_templates as temps
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class WatchGenerator:
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def __init__(self):
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self._static_defs = []
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self._init_func = []
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self._update_func = []
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self.watch_name = None
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self.version = None
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self.company_name = None
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self.visible_name = None
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def h_file_name(self):
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return 'pebble_gen_header.h'
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def c_file_name(self):
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return self.watch_name + '.c'
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def defs_file_name(self):
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return 'pebble_gen_defs.h'
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def generate_c_code(self):
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fs = temps.FileScope
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res_strings = []
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res_strings.append(fs.includes.format(header_name=self.h_file_name()))
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res_strings.append('\n'.join(self._static_defs))
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res_strings.append(fs.update_function.format(watch_name=self.watch_name, update_content='\n'.join(self._update_func)))
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res_strings.append(fs.init_function.format(watch_name=self.watch_name, init_content='\n'.join(self._init_func)))
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return '\n'.join(res_strings)
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def generate_h_code(self):
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return temps.FileScope.header.format(watch_name=self.watch_name, app_version=self.version)
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def generate_defs_file(self):
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return temps.FileScope.defs_file.format(watch_name=self.watch_name, visible_name=self.visible_name, company_name=self.company_name)
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def load_config(self, conf):
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self.watch_name = conf["name"]
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self.version = conf["friendlyVersion"]
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self.company_name = conf["company-name"]
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self.visible_name = conf["visible-name"]
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for elem in conf["elements"]:
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t = elem["type"]
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if t == "static-image":
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self.parse_static_image(elem)
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elif t == "time-text":
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self.parse_time_text(elem)
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elif t == "hand":
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self.parse_hand(elem)
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else:
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raise "Unknown element type: " + t
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def parse_static_image(self, elem):
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si = temps.StaticImage
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self._static_defs.append(si.static_defs.format(name=elem["name"]))
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self._init_func.append(si.init_lines.format(res_def_name=elem["image"]["def-name"],
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name=elem["name"]))
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def parse_date_format(self, fmt_list):
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### parses a json object list into a c strftime format string and required buffer size
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buffer_size = 1
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fmt_string = ""
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for fmt in fmt_list:
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# TODO: implement the other operations for strftime
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t = fmt["type"]
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if t == "string":
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fmt_string += fmt.val
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buffer_size += len(fmt.val)
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elif t == "day-name-abbreviated":
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fmt_string += "%a"
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buffer_size += 4
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elif t == "day-of-month":
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fmt_string += "%d"
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buffer_size += 2
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else:
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raise "Unknown date format type: " + t
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return buffer_size, fmt_string
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def parse_color(self, color_string):
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if color_string == "black":
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return "GColorBlack"
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elif color_string == "white":
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return "GColorWhite"
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elif color_string == "transparent":
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return "GColorTrans"
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else:
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raise "Unknown color: " + color_string
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def parse_font_info(self, font_obj):
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f = font_obj["font"]
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if f == "gothic":
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bold = "modifiers" in font_obj and "bold" in font_obj["modifiers"]
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size = font_obj["size"]
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return "graphics_text_get_system_font({size}, GFontStyle{style})".format(size=size, style=("Bold" if bold else "Regular"))
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else:
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raise "Unknown font: " + f
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def parse_time_text(self, elem):
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tt = temps.TimeText
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buffer_len, date_fmt = self.parse_date_format(elem["format"])
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color = self.parse_color(elem["color"])
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bg_color = self.parse_color(elem["background-color"])
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font_func = self.parse_font_info(elem["font"])
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self._static_defs.append(tt.static_defs.format(name=elem["name"], buffer_length=buffer_len))
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self._init_func.append(tt.init_lines.format(name=elem["name"],
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x=elem["position"][0], y=elem["position"][1],
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w=elem["size"][0], h=elem["size"][1],
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color=color, background_color=bg_color,
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font_func=font_func))
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self._update_func.append(tt.update_lines.format(name=elem["name"], date_format_string=date_fmt))
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def parse_time_element(self, te):
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if te == "hour":
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return "t.tm_hour / 12"
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elif te == "hour24":
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return "t.tm_hour / 24"
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elif te == "minute":
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return "t.tm_min / 60"
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elif te == "second":
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return "t.tm_sec / 60"
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else:
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raise "Unknown time element: " + te
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def parse_hand(self, elem):
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h = temps.Hand
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ratio = self.parse_time_element(elem["time-element"])
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self._static_defs.append(h.static_defs.format(name=elem["name"]))
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self._init_func.append(h.init_lines.format(res_def_name=elem["trans-image"]["def-name"],
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name=elem["name"],
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pivot_x=elem["pivot"][0], pivot_y=elem["pivot"][1]))
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self._update_func.append(h.update_lines.format(name=elem["name"], angle_ratio=ratio))
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def generate(watch_config, src_output_dir):
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with open(watch_config, 'r') as conf:
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config_data = json.loads(conf.read())
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gen = WatchGenerator()
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gen.load_config(config_data)
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if not os.path.isdir(src_output_dir):
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os.makedirs(src_output_dir)
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with open(os.path.join(src_output_dir, gen.c_file_name()), 'w') as output:
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output.write(gen.generate_c_code())
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with open(os.path.join(src_output_dir, gen.h_file_name()), 'w') as output:
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output.write(gen.generate_h_code())
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with open(os.path.join(src_output_dir, gen.defs_file_name()), 'w') as output:
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output.write(gen.generate_defs_file())
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('watch_config')
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parser.add_argument('src_output_dir')
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args = parser.parse_args()
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generate(args.watch_config, args.src_output_dir)
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shutil.copy("watch_boilerplate.template.c", os.path.join(args.src_output_dir, "watch_boilerplate.template.c"))
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if __name__ == "__main__":
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main()
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