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id3v2: Replace literals with named constants

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This commit is contained in:
Uwe Klotz 2023-01-12 13:25:42 +01:00 committed by Alex
parent 7d1aab461b
commit b2250df119
1 changed files with 13 additions and 6 deletions
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19
src/id3/v2/tag.rs
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@ -22,6 +22,8 @@ use lofty_attr::tag;
const COMMENT_FRAME_ID: &str = "COMM";
const V4_MULTI_VALUE_SEPARATOR: char = '\0';
const NUMBER_PAIR_SEPARATOR: char = '/';
macro_rules! impl_accessor {
($($name:ident => $id:literal;)+) => {
@ -164,11 +166,13 @@ impl ID3v2Tag {
..
}) = frame
{
if !value.contains('\0') || self.original_version != ID3v2Version::V4 {
if !value.contains(V4_MULTI_VALUE_SEPARATOR)
|| self.original_version != ID3v2Version::V4
{
return Some(Cow::Borrowed(value.as_str()));
}
return Some(Cow::Owned(value.replace('\0', "/")));
return Some(Cow::Owned(value.replace(V4_MULTI_VALUE_SEPARATOR, "/")));
}
None
@ -289,7 +293,9 @@ impl ID3v2Tag {
..
}) = self.get(id)
{
let mut split = value.split(&['\0', '/'][..]).flat_map(str::parse::<u32>);
let mut split = value
.split(&[V4_MULTI_VALUE_SEPARATOR, NUMBER_PAIR_SEPARATOR][..])
.flat_map(str::parse::<u32>);
return (split.next(), split.next());
}
@ -537,7 +543,8 @@ impl From<ID3v2Tag> for Tag {
current_key: ItemKey,
total_key: ItemKey,
) -> Option<()> {
let mut split = content.splitn(2, &['\0', '/'][..]);
let mut split =
content.splitn(2, &[V4_MULTI_VALUE_SEPARATOR, NUMBER_PAIR_SEPARATOR][..]);
let current = split.next()?.to_string();
tag.items
.push(TagItem::new(current_key, ItemValue::Text(current)));
@ -595,7 +602,7 @@ impl From<ID3v2Tag> for Tag {
}),
) => {
let item_key = ItemKey::from_key(TagType::ID3v2, description);
for c in content.split('\0') {
for c in content.split(V4_MULTI_VALUE_SEPARATOR) {
tag.items.push(TagItem::new(
item_key.clone(),
ItemValue::Text(c.to_string()),
@ -696,7 +703,7 @@ impl From<Tag> for ID3v2Tag {
let mut s = String::with_capacity(iter.size_hint().0);
s.push_str(&first);
iter.for_each(|i| {
s.push('\0');
s.push(V4_MULTI_VALUE_SEPARATOR);
s.push_str(&i);
});