Refine member liecycle.

doc/hooks.md

@@ -228,7 +228,7 @@ Run when a transliteration token matches the input.
 - `ctx.general`: Configuration general options.
 - `ctx.langsec`: language section (S2R or R2S) of configuration.
 - `ctx.src_tk`: the matching input token.
-- `ctx.dest_tk`: the transliterated sting to be added to the output.
+- `ctx.dest_tk`: the transliterated string to be added to the output.
 - `ctx.match`: whether there was a match. If set to `False`, the rest of the
   workflow will assume a non-match.
 
@@ -250,10 +250,6 @@ been found.
 - `ctx.dest_ls`: destination token list.
 - `ctx.general`: Configuration general options.
 - `ctx.langsec`: language section (S2R or R2S) of configuration.
-- `ctx.src_tk`: the matching input token.
-- `ctx.dest_tk`: the transliterated sting to be added to the output.
-- `ctx.match`: whether there was a match. This is always `False` here and will
-  have no consequence if changed.
 
 #### Output
 

transliterator/trans.py

@@ -151,7 +151,10 @@ def transliterate(src, lang, r2s=False):
                 ctx.cur += step
                 break
 
+        delattr(ctx, "src_tk")
+        delattr(ctx, "dest_tk")
         if ctx.match is False:
+            delattr(ctx, "match")
             hret = _run_hook("on_no_tx_token_match", ctx, langsec_hooks)
             if hret == "break":
                 break
@@ -164,10 +167,9 @@ def transliterate(src, lang, r2s=False):
             )
             ctx.dest_ls.append(src[ctx.cur])
             ctx.cur += 1
+        else:
+            delattr(ctx, "match")
 
-    delattr(ctx, "src_tk")
-    delattr(ctx, "dest_tk")
-    delattr(ctx, "match")
     delattr(ctx, "cur")
 
     # This hook may take care of the assembly and cause the function to return