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tag/Id3Scan: merge duplicate code into InvokeOnTag()

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This commit is contained in:
Max Kellermann 2021-10-13 14:30:47 +02:00
parent dffed6e393
commit 1e159af2ce
1 changed files with 17 additions and 14 deletions
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31
src/tag/Id3Scan.cxx
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@ -90,6 +90,21 @@ import_id3_string(const id3_ucs4_t *ucs4)
return (id3_utf8_t *)xstrdup(Strip(utf8.c_str()));
}
static void
InvokeOnTag(TagHandler &handler, TagType type, const id3_ucs4_t *ucs4) noexcept
{
assert(type < TAG_NUM_OF_ITEM_TYPES);
assert(ucs4 != nullptr);
id3_utf8_t *utf8 = import_id3_string(ucs4);
if (utf8 == nullptr)
return;
AtScopeExit(utf8) { free(utf8); };
handler.OnTag(type, (const char *)utf8);
}
/**
* Import a "Text information frame" (ID3v2.4.0 section 4.2). It
* contains 2 fields:
@ -127,13 +142,7 @@ tag_id3_import_text_frame(const struct id3_frame *frame,
if (type == TAG_GENRE)
ucs4 = id3_genre_name(ucs4);
id3_utf8_t *utf8 = import_id3_string(ucs4);
if (utf8 == nullptr)
continue;
AtScopeExit(utf8) { free(utf8); };
handler.OnTag(type, (const char *)utf8);
InvokeOnTag(handler, type, ucs4);
}
}
@ -177,13 +186,7 @@ tag_id3_import_comment_frame(const struct id3_frame *frame, TagType type,
if (ucs4 == nullptr)
return;
id3_utf8_t *utf8 = import_id3_string(ucs4);
if (utf8 == nullptr)
return;
AtScopeExit(utf8) { free(utf8); };
handler.OnTag(type, (const char *)utf8);
InvokeOnTag(handler, type, ucs4);
}
/**