public static Boolean TryParse(ContentManifestRegistry manifests, String s, out SpriteAnimationID value)
{
Contract.Require(manifests, nameof(manifests));
Contract.Require(s, nameof(s));
return(TryParseInternal(manifests, s, out value));
}
/// <summary>
/// Converts the string representation of an asset identifier to an instance of the SpriteAnimationID structure.
/// </summary>
/// <param name="manifests">The content manifest registry that contains the currently-loaded content manifests.</param>
/// <param name="s">A string containing the asset identifier to convert.</param>
/// <param name="value">An instance of the SpriteAnimationID structure that is equivalent to the specified string.</param>
/// <returns><see langword="true"/> if the string was successfully parsed; otherwise, <see langword="false"/>.</returns>
private static Boolean TryParseInternal(ContentManifestRegistry manifests, String s, out SpriteAnimationID value)
{
value = default(SpriteAnimationID);
var delimiterIndex = s.LastIndexOf(':');
if (delimiterIndex < 0)
{
return(false);
}
var assetID = AssetID.Invalid;
if (!AssetID.TryParse(manifests, s.Substring(0, delimiterIndex), out assetID))
{
return(false);
}
var animation = s.Substring(delimiterIndex + 1);
if (String.IsNullOrEmpty(animation))
{
return(false);
}
var animationIndex = 0;
var animationIndexIsValid = Int32.TryParse(animation, out animationIndex);
value = animationIndexIsValid ?
new SpriteAnimationID(assetID, animationIndex) :
new SpriteAnimationID(assetID, animation);
return(true);
}
/// <summary>
/// Converts the string representation of a <see cref="SourcedAssetID"/> to an object instance.
/// A return value indicates whether the conversion succeeded.
/// </summary>
/// <param name="manifests">The content manifest registry that contains the currently-loaded content manifests.</param>
/// <param name="s">The string to convert.</param>
/// <param name="v">The converted value.</param>
/// <returns><see langword="true"/> if the conversion succeeded; otherwise, <see langword="false"/>.</returns>
public static Boolean TryParse(ContentManifestRegistry manifests, String s, out SourcedAssetID v)
{
Contract.Require(manifests, nameof(manifests));
Contract.Require(s, nameof(s));
return(TryParseInternal(manifests, s, out v));
}
/// <summary>
/// Reads an asset identifier from the stream.
/// </summary>
/// <param name="reader">The binary reader from which to read the asset identifier.</param>
/// <param name="manifests">The registry that contains the application's loaded manifests.</param>
/// <returns>An instance of the <see cref="AssetID"/> structure representing the
/// asset identifier that was read from the stream.</returns>
public static AssetID ReadAssetID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, "reader");
Contract.Require(manifests, "manifests");
var valid = reader.ReadBoolean();
if (valid)
{
var manifestName = reader.ReadString();
var manifestGroupName = reader.ReadString();
var assetName = reader.ReadString();
var manifest = manifests[manifestName];
if (manifest == null)
return AssetID.Invalid;
var manifestGroup = manifest[manifestGroupName];
if (manifestGroup == null)
return AssetID.Invalid;
var asset = manifestGroup[assetName];
if (asset == null)
return AssetID.Invalid;
return asset.CreateAssetID();
}
return AssetID.Invalid;
}
/// <summary>
/// Converts the string representation of a sprite animation identifier to an instance of the SpriteAnimationID structure.
/// </summary>
/// <param name="manifests">The content manifest registry that contains the currently-loaded content manifests.</param>
/// <param name="s">A string containing the sprite animation identifier to convert.</param>
/// <returns>An instance of the SpriteAnimationID structure that is equivalent to the specified string.</returns>
public static SpriteAnimationID Parse(ContentManifestRegistry manifests, String s)
{
Contract.Require(manifests, nameof(manifests));
Contract.Require(s, nameof(s));
if (!TryParseInternal(manifests, s, out SpriteAnimationID value))
{
throw new FormatException();
}
return(value);
}
/// <summary>
/// Reads a nullable asset identifier from the stream.
/// </summary>
/// <param name="reader">The binary reader from which to read the asset identifier.</param>
/// <param name="manifests">The registry that contains the application's loaded manifests.</param>
/// <returns>An instance of the <see cref="System.Nullable{AssetID}"/> structure representing the
/// asset identifier that was read from the stream.</returns>
public static AssetID? ReadNullableAssetID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, "reader");
Contract.Require(manifests, "manifests");
var hasValue = reader.ReadBoolean();
if (hasValue)
{
return reader.ReadAssetID(manifests);
}
return null;
}
/// <summary>
/// Reads a nullable asset identifier from the stream.
/// </summary>
/// <param name="reader">The <see cref="BinaryReader"/> from which to read the sprite animation identifier.</param>
/// <param name="manifests">The <see cref="ContentManifestRegistry"/> that contains the application's loaded manifests.</param>
/// <returns>The <see cref="SpriteAnimationID"/> that was read from the stream.</returns>
public static SpriteAnimationID? ReadNullableSpriteAnimationID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, nameof(reader));
Contract.Require(manifests, nameof(manifests));
var hasValue = reader.ReadBoolean();
if (hasValue)
{
return reader.ReadSpriteAnimationID(manifests);
}
return null;
}
/// <summary>
/// Reads a sprite animation identifier from the stream.
/// </summary>
/// <param name="reader">The <see cref="BinaryReader"/> from which to read the sprite animation identifier.</param>
/// <param name="manifests">The <see cref="ContentManifestRegistry"/> that contains the application's loaded manifests.</param>
/// <returns>The <see cref="SpriteAnimationID"/> that was read from the stream.</returns>
public static SpriteAnimationID ReadSpriteAnimationID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, nameof(reader));
Contract.Require(manifests, nameof(manifests));
var valid = reader.ReadBoolean();
if (valid)
{
var spriteAssetID = reader.ReadAssetID();
var animationName = reader.ReadString();
var animationIndex = reader.ReadInt32();
return String.IsNullOrEmpty(animationName) ?
new SpriteAnimationID(spriteAssetID, animationIndex) :
new SpriteAnimationID(spriteAssetID, animationName);
}
return SpriteAnimationID.Invalid;
}
/// <summary>
/// Converts the string representation of an asset identifier to an instance of the <see cref="SourcedAssetID"/> structure.
/// </summary>
/// <param name="manifests">The content manifest registry that contains the currently-loaded content manifests.</param>
/// <param name="s">A string containing the asset identifier to convert.</param>
/// <param name="value">An instance of the <see cref="SourcedAssetID"/> structure that is equivalent to the specified string.</param>
/// <returns><see langword="true"/> if the string was successfully parsed; otherwise, <see langword="false"/>.</returns>
private static Boolean TryParseInternal(ContentManifestRegistry manifests, String s, out SourcedAssetID value)
{
var parts = s.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length > 2)
{
throw new FormatException();
}
// Parse the asset identifier
var assetID = default(AssetID);
var assetIDParsed = false;
if (manifests == null)
{
assetIDParsed = AssetID.TryParse(parts[0], out assetID);
}
else
{
assetIDParsed = AssetID.TryParse(manifests, parts[0], out assetID);
}
if (!assetIDParsed)
{
value = default(SourcedAssetID);
return(false);
}
// Parse the asset source
AssetSource assetSource = AssetSource.Global;
if (parts.Length == 2)
{
if (!Enum.TryParse(parts[1], true, out assetSource))
{
value = default(SourcedAssetID);
return(false);
}
}
value = new SourcedAssetID(assetID, assetSource);
return(true);
}
/// <summary>
/// Reads a nullable asset identifier from the stream.
/// </summary>
/// <param name="reader">The <see cref="BinaryReader"/> from which to read the sprite animation identifier.</param>
/// <param name="manifests">The <see cref="ContentManifestRegistry"/> that contains the application's loaded manifests.</param>
/// <returns>The <see cref="SpriteAnimationID"/> that was read from the stream.</returns>
public static SpriteAnimationID?ReadNullableSpriteAnimationID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, nameof(reader));
Contract.Require(manifests, nameof(manifests));
var hasValue = reader.ReadBoolean();
if (hasValue)
{
return(reader.ReadSpriteAnimationID(manifests));
}
return(null);
}
/// <summary>
/// Reads a sprite animation identifier from the stream.
/// </summary>
/// <param name="reader">The <see cref="BinaryReader"/> from which to read the sprite animation identifier.</param>
/// <param name="manifests">The <see cref="ContentManifestRegistry"/> that contains the application's loaded manifests.</param>
/// <returns>The <see cref="SpriteAnimationID"/> that was read from the stream.</returns>
public static SpriteAnimationID ReadSpriteAnimationID(this BinaryReader reader, ContentManifestRegistry manifests)
{
Contract.Require(reader, nameof(reader));
Contract.Require(manifests, nameof(manifests));
var valid = reader.ReadBoolean();
if (valid)
{
var spriteAssetID = reader.ReadAssetID();
var animationName = reader.ReadString();
var animationIndex = reader.ReadInt32();
return(String.IsNullOrEmpty(animationName) ?
new SpriteAnimationID(spriteAssetID, animationIndex) :
new SpriteAnimationID(spriteAssetID, animationName));
}
return(SpriteAnimationID.Invalid);
}
