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Unity でストリーミングアセットを読みたい時の URI ジェネレーター
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/* | |
* StreamingAssetsUriGen.cs | |
* | |
* Copyright 2017 enish | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy | |
* of this software and associated documentation files (the "Software"), to | |
* deal in the Software without restriction, including without limitation the | |
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
* sell copies of the Software, and to permit persons to whom the Software is | |
* furnished to do so, subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in | |
* all copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
* IN THE SOFTWARE. | |
*/ | |
#if UNITY_WEBPLAYER || UNITY_WEBGL | |
#define URI_WEB | |
#elif UNITY_ANDROID | |
#define URI_ANDROID | |
#elif UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_XBOX360 || UNITY_XBOXONE | |
#define URI_WIN | |
#else | |
#define URI_OTHER | |
#endif | |
using UnityEngine; | |
using System; | |
using System.Linq; | |
using Path = System.IO.Path; | |
using Regex = System.Text.RegularExpressions.Regex; | |
/// <summary> | |
/// ストリーミングアセットを UnityEngine.WWW で読むための URI を作るクラス | |
/// </summary> | |
public class StreamingAssetsUriGen | |
{ | |
/// <summary> | |
/// ストリーミングアセットの基底 URI | |
/// </summary> | |
private static string baseUri_ = null; | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を取得します。 | |
/// </summary> | |
/// <value>ストリーミングアセットの基底 URI</value> | |
public static string BaseUri | |
{ | |
get | |
{ | |
if (baseUri_ == null) | |
{ | |
string path = | |
Application.streamingAssetsPath + | |
Path.DirectorySeparatorChar; | |
#if !UNITY_EDITOR && (URI_WEB || URI_ANDROID) | |
baseUri_ = CreateStreamingAssetsUriForAndroid(path); | |
#elif UNITY_EDITOR_WIN || !UNITY_EDITOR && URI_WIN | |
baseUri_ = CreateStreamingAssetsUriForWindows(path); | |
#else | |
baseUri_ = CreateStreamingAssetsUri(path); | |
#endif | |
} | |
return baseUri_; | |
} | |
} | |
/// <summary> | |
/// 予約文字 (ディレクトリ区切りを除く) にマッチする正規表現 | |
/// </summary> | |
private static Regex reservedCharsRegex_ = null; | |
/// <summary> | |
/// URI 予約文字 (ディレクトリ区切りを除く) にマッチする正規表現を取得します。 | |
/// </summary> | |
/// <values>予約文字 (':', '/' を除く) にマッチする正規表現</values> | |
public static Regex ReservedCharsRegex | |
{ | |
get | |
{ | |
if (reservedCharsRegex_ == null) | |
{ | |
reservedCharsRegex_ = new Regex( | |
@"[\ud800-\udbff][\udc00-\udfff]|[\u0000-\u0020\?\#\[\]@!\$&\(\)'\*\+,;=%\u007f-\uffff]" | |
); | |
} | |
return reservedCharsRegex_; | |
} | |
} | |
/// <summary> | |
/// ストリーミングアセットの URI を取得します。 | |
/// </summary> | |
/// <returns>アセットの URI</returns> | |
public static string GetStreamingAssetsUri() | |
{ | |
return BaseUri; | |
} | |
/// <summary> | |
/// ストリーミングアセットの URI を取得します。 | |
/// </summary> | |
/// <returns>アセットの URI</returns> | |
/// <param name="path">Assets/StreamingAssets からの相対パス ('/' 区切り)</param> | |
public static string GetStreamingAssetsUri(string path) | |
{ | |
#if !UNITY_EDITOR && URI_ANDROID | |
// Android 5 未満では URI エスケープ不要 | |
using (var version = new AndroidJavaClass("android.os.Build$VERSION")) | |
{ | |
if (version.GetStatic<int>("SDK_INT") < 21) | |
{ | |
return BaseUri + path; | |
} | |
} | |
#endif | |
return BaseUri + EscapeUriPath(path); | |
} | |
/// <summary> | |
/// ストリーミングアセットの読み込み | |
/// </summary> | |
/// <param name="path">Assets/StreamingAssets からの相対パス ('/' 区切り)</param> | |
/// <returns>読み込み用のオブジェクト。各自 Dispose() してね</returns> | |
public static WWW LoadStreamingAssets(string path) | |
{ | |
return new WWW(GetStreamingAssetsUri(path)); | |
} | |
#if UNITY_EDITOR || URI_WEB || URI_ANDROID | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// (Web, Android 用) | |
/// </summary> | |
/// <returns>The streaming assets URI for android.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUriForAndroid(string path) | |
{ | |
// Web, Android では streamingAssetsPath がすでに URI | |
return path; | |
} | |
#endif | |
#if UNITY_EDITOR || URI_WIN | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// (Windows 用) | |
/// </summary> | |
/// <returns>The streaming assets URI for windows.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUriForWindows(string path) | |
{ | |
// Windows 系は URI エスケープして System.Uri に投げると作ってくれる | |
return new Uri(EscapeUriPath(path)).AbsoluteUri; | |
} | |
#endif | |
#if UNITY_EDITOR || URI_OTHER | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// </summary> | |
/// <returns>The streaming assets URI.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUri(string path) | |
{ | |
return new UriBuilder(Uri.UriSchemeFile, string.Empty, -1, | |
path, string.Empty).Uri.AbsoluteUri; | |
} | |
#endif | |
/// <summary> | |
/// ディレクトリ区切りを除く予約文字をエスケープ | |
/// </summary> | |
/// <returns>The URI path.</returns> | |
/// <param name="path">Path.</param> | |
static string EscapeUriPath(string path) | |
{ | |
return ReservedCharsRegex.Replace(path, | |
m => string.Join(string.Empty, | |
System.Text.Encoding.UTF8.GetBytes(m.Value) | |
.Select(it => string.Format("%{0:X2}", it)).ToArray() | |
)); | |
} | |
} |
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/* | |
* StreamingAssetsUriGenUE.cs | |
* | |
* Copyright 2017 enish | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy | |
* of this software and associated documentation files (the "Software"), to | |
* deal in the Software without restriction, including without limitation the | |
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
* sell copies of the Software, and to permit persons to whom the Software is | |
* furnished to do so, subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in | |
* all copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
* IN THE SOFTWARE. | |
*/ | |
#if UNITY_WEBPLAYER || UNITY_WEBGL | |
#define URI_WEB | |
#elif UNITY_ANDROID | |
#define URI_ANDROID | |
#elif UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_XBOX360 || UNITY_XBOXONE | |
#define URI_WIN | |
#else | |
#define URI_OTHER | |
#endif | |
using UnityEngine; | |
/// <summary> | |
/// ストリーミングアセットを UnityEngine.WWW で読むための URI を作るクラス。 | |
/// こっちは <see cref="System"/> 名前空間を使わないで実装してます。 | |
/// </summary> | |
public class StreamingAssetsUriGenUE | |
{ | |
/// <summary> | |
/// ストリーミングアセットの基底 URI | |
/// </summary> | |
private static string baseUri_ = null; | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を取得します。 | |
/// </summary> | |
/// <value>ストリーミングアセットの基底 URI</value> | |
public static string BaseUri | |
{ | |
get | |
{ | |
if (baseUri_ == null) | |
{ | |
string path = Application.streamingAssetsPath; | |
#if !UNITY_EDITOR && (URI_WEB || URI_ANDROID) | |
baseUri_ = CreateStreamingAssetsUriForAndroid(path); | |
#elif UNITY_EDITOR_WIN || !UNITY_EDITOR && URI_WIN | |
baseUri_ = CreateStreamingAssetsUriForWindows(path); | |
#else | |
baseUri_ = CreateStreamingAssetsUri(path); | |
#endif | |
baseUri_ += "/"; | |
} | |
return baseUri_; | |
} | |
} | |
/// <summary> | |
/// ストリーミングアセットの URI を取得します。 | |
/// </summary> | |
/// <returns>アセットの URI</returns> | |
public static string GetStreamingAssetsUri() | |
{ | |
return BaseUri; | |
} | |
/// <summary> | |
/// ストリーミングアセットの URI を取得します。 | |
/// </summary> | |
/// <returns>アセットの URI</returns> | |
/// <param name="path">Assets/StreamingAssets からの相対パス ('/' 区切り)</param> | |
public static string GetStreamingAssetsUri(string path) | |
{ | |
#if !UNITY_EDITOR && URI_ANDROID | |
// Android 5 未満では URI エスケープ不要 | |
using (var version = new AndroidJavaClass("android.os.Build$VERSION")) | |
{ | |
if (version.GetStatic<int>("SDK_INT") < 21) | |
{ | |
return BaseUri + path; | |
} | |
} | |
#endif | |
return BaseUri + EscapeUriPath(path); | |
} | |
/// <summary> | |
/// ストリーミングアセットの読み込み | |
/// </summary> | |
/// <param name="path">Assets/StreamingAssets からの相対パス ('/' 区切り)</param> | |
/// <returns>読み込み用のオブジェクト。各自 Dispose() してね</returns> | |
public static WWW LoadStreamingAssets(string path) | |
{ | |
return new WWW(GetStreamingAssetsUri(path)); | |
} | |
#if UNITY_EDITOR || URI_WEB || URI_ANDROID | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// (Web, Android 用) | |
/// </summary> | |
/// <returns>The streaming assets URI for android.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUriForAndroid(string path) | |
{ | |
// Web, Android では streamingAssetsPath がすでに URI | |
return path; | |
} | |
#endif | |
#if UNITY_EDITOR || URI_WIN | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// (Windows 用) | |
/// </summary> | |
/// <returns>The streaming assets URI for windows.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUriForWindows(string path) | |
{ | |
// 元々 \ だった文字列は / に置換する | |
var str = EscapeUriPath(path).Replace("%5c", "/"); | |
// パスが // で始まるときは file://hostname/path 形式 | |
// そうでなければ file:///path 形式にする | |
return (str.Substring(0, 2) == "//" ? "file:" : "file:///") + str; | |
} | |
#endif | |
#if UNITY_EDITOR || URI_OTHER | |
/// <summary> | |
/// ストリーミングアセットの基底 URI を作成します。 | |
/// </summary> | |
/// <returns>The streaming assets URI.</returns> | |
/// <param name="path"> | |
/// <see cref="UnityEngine.Application.streamingAssetsPath"/>. | |
/// </param> | |
/// <summary>※ 引数で渡してるのは単体テストのため</summary> | |
public static string CreateStreamingAssetsUri(string path) | |
{ | |
return "file://" + EscapeUriPath(path); | |
} | |
#endif | |
/// <summary> | |
/// 予約文字をエスケープ | |
/// </summary> | |
/// <returns>The URI path.</returns> | |
/// <param name="path">Path.</param> | |
static string EscapeUriPath(string path) | |
{ | |
return WWW.EscapeURL(path) | |
.Replace("+", "%20") | |
.Replace("%2f", "/"); | |
} | |
} |
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