mirror of https://github.com/arendst/Tasmota.git
316 lines
10 KiB
Python
316 lines
10 KiB
Python
import re
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import sys
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import glob
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# https://stackoverflow.com/a/241506
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def comment_remover(text):
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def replacer(match):
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s = match.group(0)
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if s.startswith('/'):
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return " " # note: a space and not an empty string
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else:
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return s
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pattern = re.compile(
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r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
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re.DOTALL | re.MULTILINE
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)
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return re.sub(pattern, replacer, text)
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# compute a sorted list of files from a prefix and a list of glob patterns
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def list_files(prefix, glob_list):
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r = []
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for g in glob_list:
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r += glob.glob(prefix + g, recursive=True)
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return sorted(r)
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def clean_source(raw):
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raw = comment_remover(raw) # remove comments
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# convert cr/lf or cr to lf
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raw = re.sub('\r\n ', '\n', raw)
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raw = re.sub('\r', '\n', raw)
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# group multilines into a single line, i.e. if line ends with '\', put in a single line
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raw = re.sub('\\\\\n', ' ', raw)
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# remove preprocessor directives
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raw = re.sub('\n[ \t]*#[^\n]*(?=\n)', '', raw)
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raw = re.sub('^[ \t]*#[^\n]*\n', '', raw)
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raw = re.sub('\n[ \t]*#[^\n]*$', '', raw)
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# remove extern "C" {}
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raw = re.sub('extern\s+"C"\s+{(.*)}', '\\1', raw, flags=re.DOTALL)
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# remove empty lines
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raw = re.sub('\n[ \t]*(?=\n)', '', raw)
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raw = re.sub('^[ \t]*\n', '', raw) # remove first empty line
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raw = re.sub('\n[ \t]*$', '', raw) # remove last empty line
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return raw
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# ################################################################################
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# Parse function signatures
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# ################################################################################
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lv_src_prefix = "../../lib/libesp32_lvgl/LVGL8/src/"
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lv_fun_globs = [
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"widgets/*.h", # all widgets
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# "extra/widgets/*/*.h",
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"extra/widgets/chart/*.h",
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"extra/widgets/colorwheel/*.h",
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"extra/widgets/imgbtn/*.h",
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"extra/widgets/led/*.h",
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"extra/widgets/meter/*.h",
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"extra/widgets/msgbox/*.h",
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"extra/widgets/spinbox/*.h",
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"core/*.h",
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"draw/*.h",
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"misc/lv_style_gen.h",
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#"misc/lv_area.h",
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#"**/*.h",
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]
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headers_names = list_files(lv_src_prefix, lv_fun_globs)
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# headers_names += ["lv_pre_style.h"] # for LVGL v7, add pre-generated style functions from C preprocessor
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# unit test
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# headers_names = [ '../../lib/libesp32_lvgl/LVGL/src/lv_widgets/lv_btn.h' ]
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# headers_names = [ '../../lib/libesp32_lvgl/LVGL/src/lv_api_map.h' ]
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output_filename = "lv_funcs.h"
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sys.stdout = open(output_filename, 'w')
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print("""
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// Automatically generated from LVGL source with `python3 preprocessor.py`
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// Extract function signatures from LVGL APIs in headers
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// Custom Tasmota functions
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void lv_img_set_tasmota_logo(lv_obj_t * img);
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// ======================================================================
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// Artificial
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// ======================================================================
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lv_color_t lv_color_mix(lv_color_t c1, lv_color_t c2, uint8_t mix);
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// ======================================================================
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// LV top level functions
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// ======================================================================
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// resolution
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lv_coord_t lv_get_hor_res(void);
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lv_coord_t lv_get_ver_res(void);
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// layers
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//static inline lv_obj_t * lv_layer_sys(void);
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//static inline lv_obj_t * lv_layer_top(void);
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// ======================================================================
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// Generated from headers
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// ======================================================================
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""")
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for header_name in headers_names:
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with open(header_name) as f:
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print("// " + header_name)
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raw = clean_source(f.read())
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# remove anything in '{' '}'
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while True:
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(raw, repl) = re.subn('\{[^{]*?\}', ';', raw, flags=re.DOTALL) # replace with ';' to make pattern matching still work
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if (repl == 0): break # no more replace, stop
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raw_f = re.findall('(^|;|})\s*([^;{}]+\(.*?\))\s*(?=(;|{))', raw, flags=re.DOTALL)
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fun_defs = [ x[1] for x in raw_f]
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# remove any CRLF or multi-space
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fun_defs = [ re.sub('[ \t\r\n]+', ' ', x) for x in fun_defs]
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# parse individual
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for fun in fun_defs:
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# remove LV_ATTRIBUTE_FAST_MEM
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fun = re.sub('LV_ATTRIBUTE_FAST_MEM ', '', fun)
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exclude = False
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for exclude_prefix in ["typedef", "_LV_", "LV_"]:
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if fun.startswith(exclude_prefix): exclude = True
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if exclude: continue
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# extrac the function name
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fun_name = re.search('\s(\w+)\([^\(]*$', fun)
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if fun_name != None:
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fun_name = fun_name.group(1) # we now have the function name
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# exclude specific names
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for exclude_pattern in [
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"^_", # skip if function name starts with '_'
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"^lv_debug", # all debug functions
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"^lv_init", "^lv_deinit",
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"^lv_templ_",
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"^lv_imgbtn_get_src_", # LV_IMGBTN_TILED == 0
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"^lv_imgbtn_set_src_tiled",# !LV_IMGBTN_TILED
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"^lv_disp_",
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"^lv_refr_get_fps_", # no LV_USE_PERF_MONITOR
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"^lv_img_cache_",
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"^lv_img_decoder_",
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"^lv_img_cf_",
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"^lv_img_buf_",
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"^lv_indev_scroll_",
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"^lv_keyboard_def_event_cb", # need to fix conditional include
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"^lv_event_get_", # event_getters not needed
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]:
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if re.search(exclude_pattern, fun_name): exclude = True
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if exclude: continue
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print(fun)
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print()
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sys.stdout.close()
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# ################################################################################
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# Parse 'enum'
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# ################################################################################
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lv_src_prefix = "../../lib/libesp32_lvgl/LVGL8/src/"
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lv_fun_globs = [ "**/*.h" ]
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headers_names = list_files(lv_src_prefix, lv_fun_globs)
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output_filename = "lv_enum.h"
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sys.stdout = open(output_filename, 'w')
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print("""// ======================================================================
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// Functions
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// ======================================================================
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register_button_encoder=&lv0_register_button_encoder
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montserrat_font=&lv0_load_montserrat_font
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seg7_font=&lv0_load_seg7_font
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load_font=&lv0_load_font
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load_freetype_font=&lv0_load_freetype_font
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screenshot=&lv0_screenshot
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// ======================================================================
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// Colors
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// ======================================================================
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// LV Colors - we store in 24 bits format and will convert at runtime
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// This is specific treatment because we keep colors in 24 bits format
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COLOR_WHITE=0xFFFFFF
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COLOR_SILVER=0xC0C0C0
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COLOR_GRAY=0x808080
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COLOR_BLACK=0x000000
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COLOR_RED=0xFF0000
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COLOR_MAROON=0x800000
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COLOR_YELLOW=0xFFFF00
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COLOR_OLIVE=0x808000
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COLOR_LIME=0x00FF00
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COLOR_GREEN=0x008000
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COLOR_CYAN=0x00FFFF
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COLOR_AQUA=0x00FFFF
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COLOR_TEAL=0x008080
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COLOR_BLUE=0x0000FF
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COLOR_NAVY=0x000080
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COLOR_MAGENTA=0xFF00FF
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COLOR_PURPLE=0x800080
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// following are #define, not enum
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LV_RADIUS_CIRCLE
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LV_TEXTAREA_CURSOR_LAST
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LV_STYLE_PROP_ANY
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LV_SIZE_CONTENT
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// ======================================================================
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// Symbols
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// ======================================================================
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SYMBOL_AUDIO="\\xef\\x80\\x81"
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SYMBOL_VIDEO="\\xef\\x80\\x88"
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SYMBOL_LIST="\\xef\\x80\\x8b"
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SYMBOL_OK="\\xef\\x80\\x8c"
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SYMBOL_CLOSE="\\xef\\x80\\x8d"
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SYMBOL_POWER="\\xef\\x80\\x91"
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SYMBOL_SETTINGS="\\xef\\x80\\x93"
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SYMBOL_HOME="\\xef\\x80\\x95"
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SYMBOL_DOWNLOAD="\\xef\\x80\\x99"
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SYMBOL_DRIVE="\\xef\\x80\\x9c"
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SYMBOL_REFRESH="\\xef\\x80\\xa1"
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SYMBOL_MUTE="\\xef\\x80\\xa6"
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SYMBOL_VOLUME_MID="\\xef\\x80\\xa7"
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SYMBOL_VOLUME_MAX="\\xef\\x80\\xa8"
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SYMBOL_IMAGE="\\xef\\x80\\xbe"
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SYMBOL_EDIT="\\xef\\x8C\\x84"
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SYMBOL_PREV="\\xef\\x81\\x88"
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SYMBOL_PLAY="\\xef\\x81\\x8b"
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SYMBOL_PAUSE="\\xef\\x81\\x8c"
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SYMBOL_STOP="\\xef\\x81\\x8d"
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SYMBOL_NEXT="\\xef\\x81\\x91"
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SYMBOL_EJECT="\\xef\\x81\\x92"
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SYMBOL_LEFT="\\xef\\x81\\x93"
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SYMBOL_RIGHT="\\xef\\x81\\x94"
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SYMBOL_PLUS="\\xef\\x81\\xa7"
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SYMBOL_MINUS="\\xef\\x81\\xa8"
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SYMBOL_EYE_OPEN="\\xef\\x81\\xae"
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SYMBOL_EYE_CLOSE="\\xef\\x81\\xb0"
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SYMBOL_WARNING="\\xef\\x81\\xb1"
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SYMBOL_SHUFFLE="\\xef\\x81\\xb4"
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SYMBOL_UP="\\xef\\x81\\xb7"
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SYMBOL_DOWN="\\xef\\x81\\xb8"
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SYMBOL_LOOP="\\xef\\x81\\xb9"
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SYMBOL_DIRECTORY="\\xef\\x81\\xbb"
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SYMBOL_UPLOAD="\\xef\\x82\\x93"
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SYMBOL_CALL="\\xef\\x82\\x95"
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SYMBOL_CUT="\\xef\\x83\\x84"
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SYMBOL_COPY="\\xef\\x83\\x85"
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SYMBOL_SAVE="\\xef\\x83\\x87"
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SYMBOL_CHARGE="\\xef\\x83\\xa7"
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SYMBOL_PASTE="\\xef\\x83\\xAA"
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SYMBOL_BELL="\\xef\\x83\\xb3"
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SYMBOL_KEYBOARD="\\xef\\x84\\x9c"
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SYMBOL_GPS="\\xef\\x84\\xa4"
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SYMBOL_FILE="\\xef\\x85\\x9b"
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SYMBOL_WIFI="\\xef\\x87\\xab"
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SYMBOL_BATTERY_FULL="\\xef\\x89\\x80"
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SYMBOL_BATTERY_3="\\xef\\x89\\x81"
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SYMBOL_BATTERY_2="\\xef\\x89\\x82"
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SYMBOL_BATTERY_1="\\xef\\x89\\x83"
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SYMBOL_BATTERY_EMPTY="\\xef\\x89\\x84"
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SYMBOL_USB="\\xef\\x8a\\x87"
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SYMBOL_BLUETOOTH="\\xef\\x8a\\x93"
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SYMBOL_TRASH="\\xef\\x8B\\xAD"
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SYMBOL_BACKSPACE="\\xef\\x95\\x9A"
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SYMBOL_SD_CARD="\\xef\\x9F\\x82"
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SYMBOL_NEW_LINE="\\xef\\xA2\\xA2"
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SYMBOL_DUMMY="\\xEF\\xA3\\xBF"
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SYMBOL_BULLET="\\xE2\\x80\\xA2"
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// ======================================================================
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// Generated from headers
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// ======================================================================
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""")
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for header_name in headers_names:
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with open(header_name) as f:
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raw = clean_source(f.read())
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# extract enums
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enums = re.findall('enum\s+{(.*?)}', raw, flags=re.DOTALL)
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for enum in enums: # iterate on all matches
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# remove enums defined via a macro
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enum = re.sub('\S+\((.*?),.*?\),', '\\1,', enum) # turn 'LV_STYLE_PROP_INIT(LV_STYLE_SIZE, 0x0, LV_STYLE_ID_VALUE + 3, LV_STYLE_ATTR_NONE),' into 'LV_STYLE_SIZE'
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#
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enum_elt = enum.split(",")
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for enum_item in enum_elt:
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# remove any space
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enum_item = re.sub('[ \t\n]', '', enum_item)
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# remove anything after '='
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enum_item = re.sub('=.*$', '', enum_item)
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# item is ready
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exclude = False
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for exclude_prefix in ["_", "LV_BIDI_DIR_", "LV_FONT_", "LV_IMG_CF_RESERVED_", "LV_IMG_CF_USER_",
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"LV_SIGNAL_", "LV_TEMPL_", "LV_TASK_PRIO_", "LV_THEME_", "LV_KEYBOARD_"]:
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if enum_item.startswith(exclude_prefix): exclude = True
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if exclude: continue
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print(enum_item)
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sys.stdout.close()
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