96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""提取工程 UI 源码中字符串字面量里的非 ASCII 字符（实际显示的汉字），
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输出 <仓库根>/ui_cn_chars.txt，供 make_font.py 生成中文字体子集。
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用法（在仓库根目录执行，或任意目录均可，脚本自动定位仓库根）：
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python tools/font_gen/extract_cn.py
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"""
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import os
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import glob
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ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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UI_DIR = os.path.join(ROOT, 'Drivers', 'BSP', 'UI')
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TASK_DIR = os.path.join(ROOT, 'App', 'task')
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SCAN = (glob.glob(os.path.join(UI_DIR, '*.c')) +
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glob.glob(os.path.join(UI_DIR, '*.h')) +
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[os.path.join(TASK_DIR, 'ui_task.c'), os.path.join(TASK_DIR, 'ui_task.h')])
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def collect(text):
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"""跳过 /* */ 与 // 注释、字符常量，只收集双引号字符串内的非 ASCII 字符。"""
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out, i, n = set(), 0, len(text)
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blk = line = sstr = cchr = False
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while i < n:
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c = text[i]
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nx = text[i + 1] if i + 1 < n else ''
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if blk:
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if c == '*' and nx == '/':
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blk = False
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i += 2
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continue
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i += 1
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continue
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if line:
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if c == '\n':
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line = False
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i += 1
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continue
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if sstr:
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if c == '\\':
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i += 2
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continue
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if c == '"':
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sstr = False
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i += 1
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continue
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if ord(c) > 0x7F:
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out.add(c)
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i += 1
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continue
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if cchr:
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if c == '\\':
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i += 2
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continue
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if c == "'":
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cchr = False
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i += 1
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continue
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if c == '/' and nx == '*':
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blk = True
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i += 2
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continue
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if c == '/' and nx == '/':
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line = True
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i += 2
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continue
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if c == '"':
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sstr = True
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i += 1
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continue
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if c == "'":
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cchr = True
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i += 1
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continue
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i += 1
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return out
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def main():
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chars = set()
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for f in SCAN:
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if not os.path.exists(f):
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print(' skip (not found):', os.path.relpath(f, ROOT))
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continue
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chars |= collect(open(f, encoding='utf-8-sig', errors='ignore').read())
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s = ''.join(sorted(chars))
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out_path = os.path.join(ROOT, 'ui_cn_chars.txt')
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with open(out_path, 'w', encoding='utf-8') as fp:
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fp.write(s)
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print('scanned %d files; unique non-ASCII chars: %d' % (len(SCAN), len(s)))
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print('->', out_path)
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if __name__ == '__main__':
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main()
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