81 lines
3.2 KiB
Python
81 lines
3.2 KiB
Python
#!/usr/bin/env python3
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"""badge_migrate.py — 把 badges 2.x 用法迁移到 3.x。
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- animationType: BadgeAnimationType.X -> animation: BadgeAnimation.X()
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- Badge(... badgeColor: C, padding: P ...) -> Badge(... badgeStyle: BadgeStyle(badgeColor: C, padding: P) ...)
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"""
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import re, glob
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def find_calls(text, name):
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calls=[]
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for m in re.finditer(r'\b'+name+r'\s*\(', text):
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if m.start()>0 and (text[m.start()-1].isalnum() or text[m.start()-1]=='_'):
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continue # 跳过 BadgeStyle/BadgeAnimation 等同名前缀
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i=m.end()-1; depth=0; j=i
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while j<len(text):
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c=text[j]
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if c=='(' : depth+=1
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elif c==')':
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depth-=1
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if depth==0: break
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j+=1
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if j<len(text):
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calls.append((m.start(), j, text[i+1:j])) # inner 不含外层括号
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return calls
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def extract_param(inner, key):
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"""从 inner 中提取 'key: value' 的 value（value 含平衡括号，到顶层逗号）。返回 (value, start, end)。"""
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for m in re.finditer(r'\b'+key+r'\s*:\s*', inner):
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start=m.end(); depth=0; j=start
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while j<len(inner):
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c=inner[j]
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if c in '([{': depth+=1
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elif c in ')]}':
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if depth==0: break
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depth-=1
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elif c==',' and depth==0: break
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j+=1
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val=inner[start:j].strip().rstrip(',').strip()
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return val, m.start(), j
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return None, None, None
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changed_files=0
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for path in glob.glob('lib/**/*.dart', recursive=True):
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t=open(path).read()
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if 'Badge(' not in t: continue
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orig=t
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# 1) animationType: BadgeAnimationType.X -> animation: BadgeAnimation.X()
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t=re.sub(r'animationType:\s*BadgeAnimationType\.(\w+)', r'animation: BadgeAnimation.\1()', t)
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# 2) 合并 badgeColor + padding -> badgeStyle（从后往前处理避免偏移）
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while True:
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calls=find_calls(t, 'Badge')
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did=False
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for s,e,inner in reversed(calls):
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bc,_,_=extract_param(inner,'badgeColor')
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pd,_,_=extract_param(inner,'padding')
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if not (bc or pd): continue
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new_inner=inner
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parts=[]
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if bc:
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v,vs,ve=extract_param(new_inner,'badgeColor')
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# 删除该参数（含尾随逗号）
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seg=new_inner[vs:ve]
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after=new_inner[ve:]
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if after.lstrip().startswith(','): after=after.lstrip()[1:]
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new_inner=new_inner[:vs]+after
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parts.append('badgeColor: '+bc)
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if pd:
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v,vs,ve=extract_param(new_inner,'padding')
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seg=new_inner[vs:ve]
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after=new_inner[ve:]
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if after.lstrip().startswith(','): after=after.lstrip()[1:]
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new_inner=new_inner[:vs]+after
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parts.append('padding: '+pd)
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badge_style='\n badgeStyle: BadgeStyle('+', '.join(parts)+'),'
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new_inner=badge_style+new_inner
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t=t[:s]+'Badge('+new_inner+')'+t[e+1:]
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did=True; break
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if not did: break
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if t!=orig:
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open(path,'w').write(t); changed_files+=1; print('migrated', path)
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print('done, files:', changed_files)
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