chromium/media/formats/hls/items.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_FORMATS_HLS_ITEMS_H_
#define MEDIA_FORMATS_HLS_ITEMS_H_

#include "media/base/media_export.h"
#include "media/formats/hls/parse_status.h"
#include "media/formats/hls/source_string.h"
#include "media/formats/hls/tag_name.h"
#include "third_party/abseil-cpp/absl/types/variant.h"

namespace media::hls {

// An 'Item' is a lexical item in an HLS manifest which has been determined to
// have some type based on its context, but has yet been fully parsed,
// validated, or undergone variable substitution.

// An item which has been determined to be of a known or unknown tag type, but
// not a comment.
class MEDIA_EXPORT TagItem { … };

// A URI. This only corresponds to line-level URIs.
struct UriItem { … };

GetNextLineItemResult;

// Returns the next line-level item from the source text. Automatically skips
// empty lines.
MEDIA_EXPORT ParseStatus::Or<GetNextLineItemResult> GetNextLineItem(
    SourceLineIterator* src);

}  // namespace media::hls

#endif  // MEDIA_FORMATS_HLS_ITEMS_H_