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https://github.com/sle118/squeezelite-esp32.git
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52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
#pragma once
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#include <string_view>
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#include <vector>
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#include "NanoPBHelper.h"
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#include "Utils.h"
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#include "protobuf/spirc.pb.h"
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namespace cspot {
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struct TrackReference {
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static constexpr auto base62Alphabet =
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"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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// Resolved track GID
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std::vector<uint8_t> gid;
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// Type identifier
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enum class Type { TRACK, EPISODE };
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Type type;
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static TrackReference fromTrackRef(TrackRef* ref) {
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TrackReference trackRef;
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if (ref->gid != nullptr) {
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// For tracks, the GID is already in the protobuf
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trackRef.gid = pbArrayToVector(ref->gid);
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trackRef.type = Type::TRACK;
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} else {
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// Episode GID is being fetched via base62 encoded URI
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auto uri = std::string(ref->uri);
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auto idString = uri.substr(uri.find_last_of(":") + 1, uri.size());
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trackRef.gid = {0};
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std::string_view alphabet(base62Alphabet);
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for (int x = 0; x < uri.size(); x++) {
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size_t d = alphabet.find(uri[x]);
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trackRef.gid = bigNumMultiply(trackRef.gid, 62);
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trackRef.gid = bigNumAdd(trackRef.gid, d);
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}
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}
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return trackRef;
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}
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static TrackReference fromGID(std::vector<uint8_t> gid, bool isEpisode) {
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TrackReference trackRef;
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trackRef.gid = gid;
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trackRef.type = isEpisode ? Type::EPISODE : Type::TRACK;
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return trackRef;
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}
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};
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} // namespace cspot
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