TM-SGNL-iOS/Scripts/emoji_ranges.py
TeleMessage developers dde0620daf initial commit
2025-05-03 12:28:28 -07:00

140 lines
3.3 KiB
Python
Executable file

#!/usr/bin/env python3
import sys
import os
import re
import io
def fail(message):
print(message)
sys.exit(1)
# For simplicity and compactness, we pre-define the
# emoji code planes to ensure that all of the currently-used
# emoji ranges within them are combined.
big_ranges = [
(
0x1F600,
0x1F64F,
),
(
0x1F300,
0x1F5FF,
),
(
0x1F680,
0x1F6FF,
),
(
0x2600,
0x26FF,
),
(
0x2700,
0x27BF,
),
(
0xFE00,
0xFE0F,
),
(
0x1F900,
0x1F9FF,
),
(
65024,
65039,
),
(
8400,
8447,
),
]
if __name__ == "__main__":
src_filename = "emoji-data.txt"
src_dir_path = os.path.dirname(__file__)
src_file_path = os.path.join(src_dir_path, src_filename)
print("src_file_path", src_file_path)
if not os.path.exists(src_file_path):
fail("Could not find input file")
with io.open(src_file_path, "r", encoding="utf-8") as f:
text = f.read()
lines = text.split("\n")
raw_ranges = []
for line in lines:
if "#" in line:
line = line[: line.index("#")].strip()
if ";" not in line:
continue
print("line:", line)
range_text = line[: line.index(";")]
print("\t:", range_text)
if ".." in range_text:
range_start_hex_string, range_end_hex_string = range_text.split("..")
else:
range_start_hex_string = range_end_hex_string = range_text.strip()
range_start = int(range_start_hex_string.strip(), 16)
range_end = int(range_end_hex_string.strip(), 16)
print("\t", range_start, range_end)
raw_ranges.append(
(
range_start,
range_end,
)
)
raw_ranges += big_ranges
raw_ranges.sort(key=lambda a: a[0])
new_ranges = []
for range_start, range_end in raw_ranges:
if len(new_ranges) > 0:
last_range = new_ranges[-1]
# print 'last_range', last_range
last_range_start, last_range_end = last_range
if range_start >= last_range_start and range_start <= last_range_end + 1:
# if last_range_end + 1 == range_start:
new_ranges = new_ranges[:-1]
print(
"merging",
last_range_start,
last_range_end,
"and",
range_start,
range_end,
)
new_ranges.append(
(
last_range_start,
max(range_end, last_range_end),
)
)
continue
new_ranges.append(
(
range_start,
range_end,
)
)
print()
for range_start, range_end in new_ranges:
# print '0x%X...0x%X, // %d Emotions' % (range_start, range_end, (1 + range_end - range_start), )
print(
"EmojiRange(rangeStart:0x%X, rangeEnd:0x%X),"
% (
range_start,
range_end,
)
)
print("new_ranges:", len(new_ranges))
print()
print("Copy and paste the code above into DisplayableText.swift")
print()