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lib/xiph/FlacStreamMetadata: pass StringView to flac_scan_comment()

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This commit is contained in:
Max Kellermann 2019-08-14 19:54:19 +02:00
parent 7a89b1656c
commit 01f86e1c25
1 changed files with 7 additions and 21 deletions
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28
src/lib/xiph/FlacStreamMetadata.cxx
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@ -68,27 +68,16 @@ flac_parse_mixramp(const FLAC__StreamMetadata_VorbisComment &vc)
return mix_ramp;
}
/**
* Checks if the specified name matches the entry's name, and if yes,
* returns the comment value;
*/
static StringView
GetFlacCommentValue(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
StringView name) noexcept
{
return GetVorbisCommentValue(ToStringView(*entry), name);
}
/**
* Check if the comment's name equals the passed name, and if so, copy
* the comment value into the tag.
*/
static bool
flac_copy_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
flac_copy_comment(StringView comment,
StringView name, TagType tag_type,
TagHandler &handler) noexcept
{
const auto value = GetFlacCommentValue(entry, name);
const auto value = GetVorbisCommentValue(comment, name);
if (!value.IsNull()) {
handler.OnTag(tag_type, value);
return true;
@ -98,22 +87,20 @@ flac_copy_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
}
static void
flac_scan_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
TagHandler &handler) noexcept
flac_scan_comment(StringView comment, TagHandler &handler) noexcept
{
if (handler.WantPair()) {
const auto comment = ToStringView(*entry);
const auto split = StringView(comment).Split('=');
const auto split = comment.Split('=');
if (!split.first.empty() && !split.second.IsNull())
handler.OnPair(split.first, split.second);
}
for (const struct tag_table *i = xiph_tags; i->name != nullptr; ++i)
if (flac_copy_comment(entry, i->name, i->type, handler))
if (flac_copy_comment(comment, i->name, i->type, handler))
return;
for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
if (flac_copy_comment(entry,
if (flac_copy_comment(comment,
tag_item_names[i], (TagType)i,
handler))
return;
@ -124,8 +111,7 @@ flac_scan_comments(const FLAC__StreamMetadata_VorbisComment *comment,
TagHandler &handler) noexcept
{
for (unsigned i = 0; i < comment->num_comments; ++i)
flac_scan_comment(&comment->comments[i],
handler);
flac_scan_comment(ToStringView(comment->comments[i]), handler);
}
gcc_pure