#if (UNITY_4 || UNITY_4_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_4 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_2017_1_OR_NEWER)
#define UNITY_4_AND_GREATER
#endif

using UnityEngine;
using UnityEditor;
using System;
using System.Globalization;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

namespace BuildReportTool
{
	public static class Util
	{	
		public static int GetUnityMajorVersion(string unityVersion)
		{
			string majorVersion = string.Empty;

			int len;
			int majorIdx;
			for (majorIdx = 0, len = unityVersion.Length; majorIdx < len; ++majorIdx)
			{
				if (System.Char.IsDigit(unityVersion[majorIdx]) && unityVersion[majorIdx] != '.')
				{
					majorVersion += unityVersion[majorIdx];
				}

				if (unityVersion[majorIdx] == '.')
				{
					break;
				}
			}

			return int.Parse(majorVersion);
		}

		public static bool UnityMajorVersionUsedIsAtMost(int versionAtMost, string unityVersionName)
		{
			int majorVersion = GetUnityMajorVersion(unityVersionName);

			return (majorVersion <= versionAtMost);
		}

		public static bool UnityMajorVersionUsedIsAtLeast(int versionAtLeast, string unityVersionName)
		{
			int majorVersion = GetUnityMajorVersion(unityVersionName);

			return (majorVersion >= versionAtLeast);
		}

		// care should be taken when using ShouldGetBuildReportNow and ShouldSaveGottenBuildReportNow
		// as they are effectively global variables
		// unfortunately this is the only way I can ensure persistence of bool variables in between recompilations
		// SerializeField seems to fail at times

		public static BuildPlatform GetBuildPlatformBasedOnUnityBuildTarget(BuildTarget b)
		{
			switch (b)
			{
				// -----------------------------------
				// Web Builds

#if !UNITY_5_4_OR_NEWER
				// Unity Web Build was up to Unity 5.3 
				case BuildTarget.WebPlayer:
					return BuildPlatform.Web;
				case BuildTarget.WebPlayerStreamed:
					return BuildPlatform.Web;
#endif

#if UNITY_4
			// NaCl and Flash build support was up to Unity 4 
			case BuildTarget.NaCl:
				return BuildPlatform.Web;

			case BuildTarget.FlashPlayer:
				return BuildPlatform.Flash;
#endif
				case BuildTarget.WebGL:
					return BuildPlatform.WebGL;

				// -----------------------------------
				// Mobile builds

#if UNITY_4
			case BuildTarget.iPhone:
#else
				case BuildTarget.iOS:
#endif
					return BuildPlatform.iOS;

				case BuildTarget.Android:
					return BuildPlatform.Android;

				// -----------------------------------
				// Console builds

#if !UNITY_5_5_OR_NEWER
				// 7th gen console support was up to Unity 5.4 
				case BuildTarget.XBOX360:
					return BuildPlatform.XBOX360;

				case BuildTarget.PS3:
					return BuildPlatform.PS3;
#endif

				// 8th gen
				case BuildTarget.XboxOne:
					return BuildPlatform.XBOXOne;
				case BuildTarget.PS4:
					return BuildPlatform.PS4;
#if UNITY_5_2_OR_NEWER && !UNITY_2018_1_OR_NEWER
			// WiiU support was from Unity 5.2 to Unity 2017.4
			case BuildTarget.WiiU:
				return BuildPlatform.WiiU;
#endif
#if UNITY_5_6_OR_NEWER || UNITY_2017_1_OR_NEWER
			case BuildTarget.Switch:
				return BuildPlatform.Switch;
#endif

				// -----------------------------------
				// Windows builds

				case BuildTarget.StandaloneWindows:
					return BuildPlatform.Windows32;

				case BuildTarget.StandaloneWindows64:
					return BuildPlatform.Windows64;

				case BuildTarget.WSAPlayer:
					return BuildPlatform.WindowsStoreApp;

				// -----------------------------------
				// Linux builds

#if UNITY_4_AND_GREATER
				case BuildTarget.StandaloneLinux:
					return BuildPlatform.Linux32;

				case BuildTarget.StandaloneLinux64:
					return BuildPlatform.Linux64;

				case BuildTarget.StandaloneLinuxUniversal: // note: universal will be removed in a future version
					return BuildPlatform.LinuxUniversal;
#endif

				// -----------------------------------
				// Mac OS X builds

#if UNITY_2017_3_OR_NEWER
			// in Unity 2017.3, OSX builds are now only Intel 64-bit builds
			case BuildTarget.StandaloneOSX:
				return BuildPlatform.MacOSX64;
#else
				case BuildTarget.StandaloneOSXIntel:
					return BuildPlatform.MacOSX32;
				case BuildTarget.StandaloneOSXIntel64:
					return BuildPlatform.MacOSX64;
				case BuildTarget.StandaloneOSXUniversal:
					return BuildPlatform.MacOSXUniversal;
#endif
			}

			return BuildPlatform.None;
		}

		// note: we store these in EditorPrefs so that they easily persist after any recompiling or assembly reload,
		// which normally occur before and after a build is done.
		
		public static bool ShouldGetBuildReportNow
		{
			get { return EditorPrefs.GetBool("BRT_ShouldGetBuildReportNow", false); }
			set { EditorPrefs.SetBool("BRT_ShouldGetBuildReportNow", value); }
		}

		public static bool ShouldSaveGottenBuildReportNow
		{
			get { return EditorPrefs.GetBool("BRT_ShouldSaveGottenBuildReportNow", false); }
			set { EditorPrefs.SetBool("BRT_ShouldSaveGottenBuildReportNow", value); }
		}
		
		public static BuildTarget BuildTargetOfLastBuild
		{
			get
			{
				int gotBuildTargetIdx = EditorPrefs.GetInt("BRT_BuildTargetOfLastBuild", 0);
				return (BuildTarget) gotBuildTargetIdx;
			}
			set
			{
				int buildTargetIdx = Convert.ToInt32(value);
				EditorPrefs.SetInt("BRT_BuildTargetOfLastBuild", buildTargetIdx);
			}
		}


		public static bool IsAScriptDLL(string filename)
		{
			return filename.StartsWith("Assembly-", StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsAUnityEngineDLL(string filename)
		{
			return filename.StartsWith("UnityEngine.", StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsAKnownSystemDLL(string filename)
		{
			return filename.Equals("system.dll", StringComparison.OrdinalIgnoreCase) ||
			       filename.Equals("system.core.dll", StringComparison.OrdinalIgnoreCase) ||
			       filename.Equals("mscorlib.dll", StringComparison.OrdinalIgnoreCase) ||
			       filename.Equals("mono.security.dll", StringComparison.OrdinalIgnoreCase) ||
			       filename.Equals("boo.lang.dll", StringComparison.OrdinalIgnoreCase);
		}

		public static string RemovePrefix(string prefix, string val)
		{
			if (val.StartsWith(prefix))
			{
				return val.Substring(prefix.Length, val.Length - prefix.Length);
			}

			return val;
		}

		public static string RemoveSuffix(string suffix, string val, int offset = 0)
		{
			if (val.EndsWith(suffix, StringComparison.OrdinalIgnoreCase))
			{
				return val.Substring(0, val.Length - suffix.Length + offset);
			}

			return val;
		}


		static string GetLastFolder(string inFolder)
		{
			inFolder = inFolder.Replace('\\', '/');

			//Debug.Log("folder: " + inFolder);
			//string folderName = System.IO.Path.GetDirectoryName(folderEntries[n]);

			int lastSlashIdx = inFolder.LastIndexOf('/');
			if (lastSlashIdx == -1)
			{
				return "";
			}

			return inFolder.Substring(lastSlashIdx + 1, inFolder.Length - lastSlashIdx - 1);
		}

		public static string FindAssetFolder(string folderToStart, string desiredFolderName)
		{
			string[] folderEntries = Directory.GetDirectories(folderToStart);

			for (int n = 0, len = folderEntries.Length; n < len; ++n)
			{
				string folderName = GetLastFolder(folderEntries[n]);
				//Debug.Log("folderName: " + folderName);

				if (folderName == desiredFolderName)
				{
					return folderEntries[n];
				}
				else
				{
					string recursed = FindAssetFolder(folderEntries[n], desiredFolderName);
					string recursedFolderName = GetLastFolder(recursed);
					if (recursedFolderName == desiredFolderName)
					{
						return recursed;
					}
				}
			}

			return "";
		}


		static string GetPathParentFolder(string path)
		{
			if (string.IsNullOrEmpty(path))
			{
				return string.Empty;
			}

			return System.IO.Path.GetDirectoryName(path);
		}

		public static string GetBuildSizePathDescription(BuildInfo buildReport)
		{
			if (string.IsNullOrEmpty(buildReport.BuildFilePath))
			{
				return string.Empty;
			}

			BuildReportTool.BuildPlatform buildPlatform =
				BuildReportTool.ReportGenerator.GetBuildPlatformFromString(buildReport.BuildType,
					buildReport.BuildTargetUsed);

			if (buildPlatform == BuildPlatform.Windows32 ||
			    buildPlatform == BuildPlatform.Windows64 ||
			    buildPlatform == BuildPlatform.Linux32 ||
			    buildPlatform == BuildPlatform.Linux64)
			{
				// in windows builds, `buildFilePath` is the executable file
				// we additionaly need to get the size of the Data folder

				// in 32 bit builds, `buildFilePath` is the executable file (.x86 file). we still need the Data folder
				// in 64 bit builds, `buildFilePath` is the executable file (.x86_64 file). we still need the Data folder

				var exeFile = System.IO.Path.GetFileName(buildReport.BuildFilePath);
				var dataFolder = BuildReportTool.Util.ReplaceFileType(exeFile, "_Data");
				var buildParentFolder = GetPathParentFolder(buildReport.BuildFilePath);

				return string.Format("File size of {0} and the {1} folder in <b>{2}</b>", exeFile, dataFolder,
					buildParentFolder);
			}

			if (buildPlatform == BuildPlatform.LinuxUniversal)
			{
				// in universal builds, `buildFilePath` is the 32-bit executable. we still need the 64-bit executable and the Data folder

				var exe32File = System.IO.Path.GetFileName(buildReport.BuildFilePath);
				var exe64File = BuildReportTool.Util.ReplaceFileType(exe32File, ".x86_64");
				var dataFolder = BuildReportTool.Util.ReplaceFileType(exe32File, "_Data");
				var buildParentFolder = GetPathParentFolder(buildReport.BuildFilePath);

				return string.Format("File size of {0}, {1}, and the {2} folder in <b>{3}</b>", exe32File, exe64File,
					dataFolder, buildParentFolder);
			}

			return string.Format("File size of <b>{0}</b>", buildReport.BuildFilePath);
		}


		public static double GetObbSizeInEclipseProject(string eclipseProjectPath)
		{
			if (string.IsNullOrEmpty(eclipseProjectPath) || !Directory.Exists(eclipseProjectPath))
			{
				return 0;
			}

			double obbSize = 0;
			foreach (string file in DldUtil.TraverseDirectory.Do(eclipseProjectPath))
			{
				if (IsFileOfType(file, ".main.obb"))
				{
					obbSize += GetFileSizeInBytes(file);
					break;
				}
			}

			return obbSize;
		}

		public static string GetObbSizeInEclipseProjectReadable(string eclipseProjectPath)
		{
			if (string.IsNullOrEmpty(eclipseProjectPath) || !Directory.Exists(eclipseProjectPath))
			{
				return string.Empty;
			}

			return GetBytesReadable(GetObbSizeInEclipseProject(eclipseProjectPath));
		}


		public static string GetPathSizeReadable(string fileOrFolder)
		{
			if (string.IsNullOrEmpty(fileOrFolder))
			{
				return string.Empty;
			}

			return GetBytesReadable(GetPathSizeInBytes(fileOrFolder));
		}

		public static double GetPathSizeInBytes(string fileOrFolder)
		{
			if (Directory.Exists(fileOrFolder))
			{
				return GetFolderSizeInBytes(fileOrFolder);
			}

			if (File.Exists(fileOrFolder))
			{
				return GetFileSizeInBytes(fileOrFolder);
			}

			return 0;
		}

		public static double GetFolderSizeInBytes(string folderPath)
		{
			if (string.IsNullOrEmpty(folderPath) || !Directory.Exists(folderPath))
			{
				return 0;
			}

			double totalBytesOfFilesInFolder = 0;
			foreach (string file in DldUtil.TraverseDirectory.Do(folderPath))
			{
				totalBytesOfFilesInFolder += GetFileSizeInBytes(file);
			}

			return totalBytesOfFilesInFolder;
		}

		public static string GetFolderSizeReadable(string folderPath)
		{
			if (string.IsNullOrEmpty(folderPath) || !Directory.Exists(folderPath))
			{
				return string.Empty;
			}

			return GetBytesReadable(GetFolderSizeInBytes(folderPath));
		}

		public static string GetStreamingAssetsSizeReadable()
		{
			return GetFolderSizeReadable(Application.dataPath + "/StreamingAssets");
		}

		public static string GetProjectPath(string appDataPath)
		{
			const int ASSETS_FOLDER_NAME_LENGTH = 6; // "Assets"

			return appDataPath.Remove(appDataPath.Length - ASSETS_FOLDER_NAME_LENGTH);
		}

		// expects filename given to be full path
		public static long GetFileSizeInBytes(string filename)
		{
			if (string.IsNullOrEmpty(filename) || !File.Exists(filename))
			{
				return 0;
			}

			FileInfo fi = new FileInfo(filename);
			return fi.Length;
		}

		public static string GetFileSizeReadable(string filename)
		{
			if (string.IsNullOrEmpty(filename))
			{
				return string.Empty;
			}

			return GetBytesReadable(GetFileSizeInBytes(filename));
		}

		const double ONE_TERABYTE = 1099511627776.0;
		const double ONE_GIGABYTE = 1073741824.0;
		const double ONE_MEGABYTE = 1048576.0;
		const double ONE_KILOBYTE = 1024.0;

		public static string GetBytesReadable(double bytes)
		{
			//return EditorUtility.FormatBytes(bytes);
			return MyFileSizeReadable(bytes);
		}

		static string MyFileSizeReadable(double bytes)
		{
			if (bytes < 0)
			{
				return "N/A";
			}

			double converted = bytes;
			string units = "B";

			if (bytes >= ONE_TERABYTE)
			{
				converted = bytes / ONE_TERABYTE;
				units = "TB";
			}
			else if (bytes >= ONE_GIGABYTE)
			{
				converted = bytes / ONE_GIGABYTE;
				units = "GB";
			}
			else if (bytes >= ONE_MEGABYTE)
			{
				converted = bytes / ONE_MEGABYTE;
				units = "MB";
			}
			else if (bytes >= ONE_KILOBYTE)
			{
				converted = bytes / ONE_KILOBYTE;
				units = "KB";
			}

			return String.Format("{0:0.##} {1}", converted, units);
		}

		public static double GetApproxSizeFromString(string size)
		{
			if (string.IsNullOrEmpty(size) || size == "N/A" || size.Length <= 2)
			{
				return 0;
			}

			// units is expected to be in the last two letters of the string
			string units = size.Substring(size.Length - 2, 2);

			// therefore, everything except the last two letters is expected to be a number
			string numOnly = size.Substring(0, size.Length - 2);

			double num;
			var success = double.TryParse(numOnly, NumberStyles.Number, CultureInfo.InvariantCulture, out num);

			if (!success)
			{
				return 0;
			}

			//Debug.Log(size + " " + num);

			// convert the number to bytes
			switch (units)
			{
				case "KB":
					return num * ONE_KILOBYTE;
				case "MB":
					return num * ONE_MEGABYTE;
				case "GB":
					return num * ONE_GIGABYTE;
				case "TB":
					return num * ONE_TERABYTE;
			}

			return 0;
		}


		static bool TextFileHasContents(string filepath, string contents)
		{
			FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
			StreamReader sr = new StreamReader(fs);

			bool ret = false;

			string line;
			while ((line = sr.ReadLine()) != null)
			{
				if (line.IndexOf(contents, StringComparison.OrdinalIgnoreCase) != -1)
				{
					ret = true;
					break;
				}
			}

			fs.Close();
			return ret;
		}

		public static bool FileHasContents(string filepath, string contents)
		{
			return TextFileHasContents(filepath, contents);
		}


		public static string GetTextFileContents(string file)
		{
			// thanks to http://answers.unity3d.com/questions/167518/reading-editorlog-in-the-editor.html
			FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
			StreamReader sr = new StreamReader(fs);

			string contents = sr.ReadToEnd();

			fs.Close();
			return contents;
		}

		public static void DeleteSizePartFile(SizePart file)
		{
			//Debug.Log("going to delete " + file.Name);
			DeleteFile(file.Name);
		}

		static void DeleteFile(string file)
		{
			string projectFolder = RemoveSuffix("Assets", Application.dataPath);

			DeleteFile(projectFolder, file);
		}

		public static bool HaveToUseSystemForDelete(string file)
		{
			return IsFileAUnixHiddenFile(file) || IsFileInVersionControlMetadataFolder(file);
		}

		static void DeleteFile(string projectFolder, string file)
		{
			//Debug.Log("will delete " + file);

			if (HaveToUseSystemForDelete(file))
			{
				string fileAbsPath = System.IO.Path.Combine(projectFolder, file);
				//Debug.Log("will system delete " + fileAbsPath);
				SystemDeleteFile(fileAbsPath);
			}
			else
			{
				// AssetDatabase.MoveAssetToTrash also deletes .meta file if it exists
				AssetDatabase.MoveAssetToTrash(file);
			}
		}

		static void SystemDeleteFile(string file)
		{
			File.Delete(file);
		}


		public static string ReplaceFileType(string filename, string newFileType)
		{
			int idxOfDot = filename.LastIndexOf(".", StringComparison.Ordinal);

			if (idxOfDot < 0)
			{
				// dot is not found
				return string.Empty;
			}

			string newFile = filename.Remove(idxOfDot);


			newFile += newFileType;

			return newFile;
		}


		// low-level filename checks

		public static bool IsFileInAPath(string filepath, string pathToCheck)
		{
			if (string.IsNullOrEmpty(filepath))
			{
				return false;
			}

			return filepath.IndexOf(pathToCheck, StringComparison.OrdinalIgnoreCase) != -1;
		}

		public static bool IsFileInAnEditorFolder(string filepath)
		{
			return IsFileInAPath(filepath, "/Editor/") ||
			       DoesFileStartIn(filepath, "Editor/");
		}

		public static bool DoesFileStartIn(string filepath, string pathToCheck)
		{
			if (string.IsNullOrEmpty(filepath))
			{
				return false;
			}

			return filepath.StartsWith(pathToCheck, StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsFileOfType(string filepath, string typeExtenstion)
		{
			if (string.IsNullOrEmpty(filepath))
			{
				return false;
			}

			return filepath.EndsWith(typeExtenstion, StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsFileName(string filepath, string filenameToCheck)
		{
			return string.Equals(System.IO.Path.GetFileName(filepath), filenameToCheck,
				StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsFileAUnixHiddenFile(string filepath)
		{
			if (string.IsNullOrEmpty(filepath))
			{
				return false;
			}

			return System.IO.Path.GetFileName(filepath).StartsWith(".");
		}

		public static bool DoesFileBeginWith(this string filepath, string stringToCheck)
		{
			if (string.IsNullOrEmpty(filepath))
			{
				return false;
			}

			return System.IO.Path.GetFileName(filepath).StartsWith(stringToCheck, StringComparison.OrdinalIgnoreCase);
		}

		/// <summary>
		/// Does string end in ".mat"?
		/// </summary>
		/// <param name="me"></param>
		/// <returns></returns>
		public static bool IsMaterialFile(this string me)
		{
			return me.EndsWith(".mat", StringComparison.OrdinalIgnoreCase);
		}

		/// <summary>
		/// Does string contain "/Resources/"?
		/// </summary>
		/// <param name="me"></param>
		/// <returns></returns>
		public static bool IsInResourcesFolder(this string me)
		{
			return me.IndexOf("/Resources/", StringComparison.OrdinalIgnoreCase) > -1;
		}

		/// <summary>
		/// Does string start with "Assets/"?
		/// </summary>
		/// <param name="me"></param>
		/// <returns></returns>
		public static bool IsInAssetsFolder(this string me)
		{
			return me.StartsWith("Assets/", StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsInStreamingAssetsFolder(this string me)
		{
			return me.StartsWith("Assets/StreamingAssets/", StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsInPackagesFolder(this string me)
		{
			return me.StartsWith("Packages/", StringComparison.OrdinalIgnoreCase);
		}

		public static bool IsInAssetsOrPackagesFolder(this string me)
		{
			return me.StartsWith("Assets/", StringComparison.OrdinalIgnoreCase) ||
			       me.StartsWith("Packages/", StringComparison.OrdinalIgnoreCase);
		}

		/// <summary>
		/// Does string end in ".unity"?
		/// </summary>
		/// <param name="me"></param>
		/// <returns></returns>
		public static bool IsSceneFile(this string me)
		{
			return me.EndsWith(".unity", StringComparison.OrdinalIgnoreCase);
		}

		/// <summary>
		/// Does string end in an image file type that Unity supports?
		/// (psd, jpg, gif, png, tif, tga, bmp, dds, exr, iff, pict)
		/// </summary>
		/// <param name="file"></param>
		/// <returns></returns>
		public static bool IsTextureFile(this string file)
		{
			return IsFileOfType(file, ".psd") ||
			       IsFileOfType(file, ".jpg") ||
			       IsFileOfType(file, ".jpeg") ||
			       IsFileOfType(file, ".gif") ||
			       IsFileOfType(file, ".png") ||
			       IsFileOfType(file, ".tiff") ||
			       IsFileOfType(file, ".tif") ||
			       IsFileOfType(file, ".tga") ||
			       IsFileOfType(file, ".bmp") ||
			       IsFileOfType(file, ".dds") ||
			       IsFileOfType(file, ".exr") ||
			       IsFileOfType(file, ".iff") ||
			       IsFileOfType(file, ".pict");
		}

		/// <summary>
		/// Does string end in a mesh file type that Unity supports?
		/// (fbx, dae, mb, ma, max, blend, obj, 3ds, dxf)
		/// </summary>
		/// <param name="file"></param>
		/// <returns></returns>
		public static bool IsMeshFile(this string file)
		{
			return IsFileOfType(file, ".fbx") ||
			       IsFileOfType(file, ".dae") ||
			       IsFileOfType(file, ".mb") ||
			       IsFileOfType(file, ".ma") ||
			       IsFileOfType(file, ".max") ||
			       IsFileOfType(file, ".blend") ||
			       IsFileOfType(file, ".obj") ||
			       IsFileOfType(file, ".3ds") ||
			       IsFileOfType(file, ".dxf");
		}

		/// <summary>
		/// Does string end in a sound file type that Unity supports?
		/// (wav, mp3, ogg, aif, xm, mod, it, s3m)
		/// </summary>
		/// <param name="file"></param>
		/// <returns></returns>
		public static bool IsSoundFile(this string file)
		{
			return IsFileOfType(file, ".wav") ||
			       IsFileOfType(file, ".mp3") ||
			       IsFileOfType(file, ".ogg") ||
			       IsFileOfType(file, ".aif") ||
			       IsFileOfType(file, ".xm") ||
			       IsFileOfType(file, ".mod") ||
			       IsFileOfType(file, ".it") ||
			       IsFileOfType(file, ".s3m");
		}

		/// <summary>
		/// Does string end in a Unity animation file type?
		/// (anim, controller, mask)
		/// </summary>
		/// <param name="file"></param>
		/// <returns></returns>
		public static bool IsAnimationFile(this string file)
		{
			return IsFileOfType(file, ".anim") || // animation file
			       IsFileOfType(file, ".controller") || // animator controller (mecanim state machine)
			       IsFileOfType(file, ".mask"); // avatar mask
		}

		/// <summary>
		/// Does string end in a Unity asset file type?
		/// (unity, prefab, asset, mat, flare, physicMaterial, guiskin, mixer, anim, controller, mask)
		/// </summary>
		/// <param name="file"></param>
		/// <returns></returns>
		public static bool IsUnityAssetFile(this string file)
		{
			return IsFileOfType(file, ".unity") || // scene files
			       IsFileOfType(file, ".prefab") ||
			       IsFileOfType(file, ".asset") || // scriptable objects, terrain files
			       IsFileOfType(file, ".mat") || // materials
			       IsFileOfType(file, ".flare") ||
			       IsFileOfType(file, ".physicMaterial") ||
			       IsFileOfType(file, ".guiskin") || // IMGUI skins
			       IsFileOfType(file, ".mixer") || // audio mixer
			       IsAnimationFile(file);
		}

		// high-level filename checks

		public static bool IsFileInBuildReportFolder(string filepath)
		{
			return filepath.DoesFileBeginWith("BRT_") || filepath.DoesFileBeginWith("DldUtil_") ||
			       IsFileInAPath(filepath, "/BuildReport/");
		}

		public static bool IsUselessFile(string filepath)
		{
			return IsFileName(filepath, "Thumbs.db") || IsFileName(filepath, ".DS_Store") ||
			       IsFileName(filepath, "._.DS_Store");
		}

		public static bool IsFileInEditorFolder(string filepath)
		{
			return IsFileInAPath(filepath, "/Editor/");
		}

		public static bool IsFileInVersionControlMetadataFolder(string filepath)
		{
			return IsFileInAPath(filepath, "/.svn/") ||
			       IsFileInAPath(filepath, "/.git/") ||
			       IsFileInAPath(filepath, "/.cvs/");
		}

		public static bool IsFileStreamingAsset(string filepath)
		{
			return IsFileInAPath(filepath, "/StreamingAssets/");
		}


		public static bool IsFileOkForDeleteAllOperation(string filepath)
		{
			return IsUselessFile(filepath) ||
			       (!IsFileInBuildReportFolder(filepath) &&
			        !IsFileInEditorFolder(filepath) &&
			        !IsFileInVersionControlMetadataFolder(filepath) &&
			        !IsFileAUnixHiddenFile(filepath));
		}


		// ----------------------------------------------------------------------------------------------------------------------------------------


		public static string GetAssetPath(string assetPath)
		{
			if (IsBuiltInAsset(assetPath))
			{
				return GetBuiltInAssetHeader(assetPath);
			}

			return System.IO.Path.GetDirectoryName(assetPath);
		}

		public static string GetAssetFilename(string assetPath)
		{
			if (IsBuiltInAsset(assetPath))
			{
				return GetBuiltInAssetFilename(assetPath);
			}

			return System.IO.Path.GetFileName(assetPath);
		}


		static bool IsBuiltInAsset(string assetPath)
		{
			return assetPath.StartsWith("Built-in ");
		}

		static string GetBuiltInAssetHeader(string assetPath)
		{
			bool hasSlash = assetPath.IndexOf("/", StringComparison.Ordinal) > 0;

			if (hasSlash)
			{
				return System.IO.Path.GetDirectoryName(assetPath);
			}

			return assetPath.Substring(0, assetPath.IndexOf(":", StringComparison.Ordinal));
		}

		static string GetBuiltInAssetFilename(string assetPath)
		{
			bool hasSlash = assetPath.IndexOf("/", StringComparison.Ordinal) > 0;

			if (hasSlash)
			{
				return System.IO.Path.GetFileName(assetPath);
			}

			int idxOfColon = assetPath.IndexOf(":", StringComparison.Ordinal);
			if (idxOfColon > -1)
			{
				if (idxOfColon >= assetPath.Length - 2)
				{
					// there's nothing else after the colon
					// filename is empty
					return string.Empty;
				}

				return assetPath.Substring(idxOfColon + 2, assetPath.Length - idxOfColon - 2); // -2 to get rid of ": "
			}

			return assetPath;
		}


		public static string GetAssetPathToNameSeparator(string assetPath)
		{
			bool hasSlash = assetPath.IndexOf("/", StringComparison.Ordinal) > 0;

			if (hasSlash)
			{
				return "/";
			}

			return ": ";
		}

		// ----------------------------------------------------------------------------------------------------------------------------------------


		public static string GetPackageFileContents(string filename)
		{
			// try default path first
			string defaultBuildReportToolFullPath =
				Application.dataPath + "/" + BuildReportTool.Options.BUILD_REPORT_TOOL_DEFAULT_FOLDER_NAME;

			string filePath = defaultBuildReportToolFullPath + "/" + filename;

			if (File.Exists(filePath))
			{
				return GetTextFileContents(filePath);
			}

			// not in default path
			// search for it

#if BRT_SHOW_MINOR_WARNINGS
		Debug.LogWarning(BuildReportTool.Options.BUILD_REPORT_PACKAGE_MOVED_MSG);
#endif

			string folderPath = BuildReportTool.Util.FindAssetFolder(Application.dataPath,
				BuildReportTool.Options.BUILD_REPORT_TOOL_DEFAULT_FOLDER_NAME);

			if (!string.IsNullOrEmpty(folderPath))
			{
				filePath = folderPath + "/" + filename;

				if (File.Exists(filePath))
				{
					return GetTextFileContents(filePath);
				}
			}

			// could not find it
			// giving up
			Debug.LogError(BuildReportTool.Options.BUILD_REPORT_PACKAGE_MISSING_MSG);

			return "";
		}


		public static bool ShowFileDeleteProgress(int deletedSoFar, int totalToDelete, string filepath,
			bool showRecoverableMsg)
		{
			float progress = (deletedSoFar + 1) / (float) totalToDelete;

			if (EditorUtility.DisplayCancelableProgressBar(
				"Deleting file " + (deletedSoFar + 1) + " of " + totalToDelete + " (" + (totalToDelete - deletedSoFar - 1) +
				" left)",
				filepath,
				progress))
			{
				EditorUtility.ClearProgressBar();

				string filesReallyDeletedPlural = deletedSoFar > 1 ? "s" : "";

				string cancelTitle = "Delete operation canceled";
				string cancelMsg;

				if (deletedSoFar > 0)
				{
					cancelMsg = "Only " + deletedSoFar + " file" + filesReallyDeletedPlural + " (of " + totalToDelete +
					            ") deleted.";
					if (showRecoverableMsg)
					{
						cancelMsg += " Those files can be recovered from your " + BuildReportTool.Util.NameOfOSTrashFolder +
						             ".";
					}
				}
				else
				{
					cancelMsg = "No files deleted.";
				}

				EditorApplication.Beep();
				EditorUtility.DisplayDialog(cancelTitle, cancelMsg, "OK");

				Debug.LogWarning(cancelTitle + ". " + cancelMsg);

				return true;
			}

			return false;
		}


		// thanks to http://answers.unity3d.com/questions/16804/retrieving-project-name.html
		public static string GetProjectName(string projectAssetsFolderPath)
		{
			var dp = projectAssetsFolderPath;
			string[] s = dp.Split("/"[0]);
			return s[s.Length - 2];
		}


		// we have two ways of getting user home folder here:

		// from http://stackoverflow.com/questions/1143706/getting-the-path-of-the-home-directory-in-c
		public static string UserHomePath
		{
			get
			{
				string homePath = (System.Environment.OSVersion.Platform == PlatformID.Unix ||
				                   System.Environment.OSVersion.Platform == PlatformID.MacOSX)
					? System.Environment.GetEnvironmentVariable("HOME")
					: System.Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");

				return homePath;
			}
		}

		//[MenuItem("Window/Test 3")]
		public static string GetUserHomeFolder()
		{
			var ret = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
			//Debug.Log("GetUserHomeFolder: " + ret);
			ret = ret.Replace("\\", "/");
			return ret;
		}


		//[MenuItem("Window/Test 4")]
		public static void OpenInFileBrowserTest()
		{
			//string path = "/Users/Ferds/Unity Projects/BuildReportTool/BuildReportUnityProject/Assets/BuildReportDebug";
			//string path = "/Users/Ferds/Unity Projects/BuildReportTool/BuildReportUnityProject/Assets/BuildReportDebug/EditorMorel.log.txt";
			//string path = "/Users/Ferds/UnityBuildReports/";
			string path = "/Users/Ferds/UnityBuildReports/test4.xml";

			OpenInFileBrowser(path);
		}


		public static void OpenInMacFileBrowser(string path)
		{
			bool openInsidesOfFolder = false;

			// try mac
			string macPath = path.Replace("\\", "/"); // mac finder doesn't like backward slashes

			if (Directory.Exists(macPath)) // if path requested is a folder, automatically open insides of that folder
			{
				openInsidesOfFolder = true;
			}

			//Debug.Log("macPath: " + macPath);
			//Debug.Log("openInsidesOfFolder: " + openInsidesOfFolder);

			if (!macPath.StartsWith("\""))
			{
				macPath = "\"" + macPath;
			}

			if (!macPath.EndsWith("\""))
			{
				macPath = macPath + "\"";
			}

			string arguments = (openInsidesOfFolder ? "" : "-R ") + macPath;
			//Debug.Log("arguments: " + arguments);
			try
			{
				System.Diagnostics.Process.Start("open", arguments);
			}
			catch (System.ComponentModel.Win32Exception e)
			{
				// tried to open mac finder in windows
				// just silently skip error
				// we currently have no platform define for the current OS we are in, so we resort to this
				e.HelpLink = ""; // do anything with this variable to silence warning about not using it
			}
		}

		public static void OpenInWinFileBrowser(string path)
		{
			bool openInsidesOfFolder = false;

			// try windows
			string winPath = path.Replace("/", "\\"); // windows explorer doesn't like forward slashes

			if (Directory.Exists(winPath)) // if path requested is a folder, automatically open insides of that folder
			{
				openInsidesOfFolder = true;
			}

			try
			{
				System.Diagnostics.Process.Start("explorer.exe", (openInsidesOfFolder ? "/root," : "/select,") + winPath);
			}
			catch (System.ComponentModel.Win32Exception e)
			{
				// tried to open win explorer in mac
				// just silently skip error
				// we currently have no platform define for the current OS we are in, so we resort to this
				e.HelpLink = ""; // do anything with this variable to silence warning about not using it
			}
		}

		public static void OpenInFileBrowser(string path)
		{
			if (IsInWinOS)
			{
				OpenInWinFileBrowser(path);
			}
			else if (IsInMacOS)
			{
				OpenInMacFileBrowser(path);
			}
			else // couldn't determine OS
			{
				OpenInWinFileBrowser(path);
				OpenInMacFileBrowser(path);
			}
		}

		public static bool IsInMacOS
		{
			get { return SystemInfo.operatingSystem.IndexOf("Mac OS", StringComparison.Ordinal) != -1; }
		}

		public static bool IsInWinOS
		{
			get { return SystemInfo.operatingSystem.IndexOf("Windows", StringComparison.Ordinal) != -1; }
		}

		public static string NameOfOSFileBrowser
		{
			get { return (IsInMacOS) ? "Finder" : "Explorer"; }
		}

		public static string NameOfOSTrashFolder
		{
			get { return (IsInMacOS) ? "Trash folder" : "Recycle Bin"; }
		}

		static string GetEditorLogFileInWindows(string editorFilename = "Editor.log")
		{
			string editorLogSubPath = "/Unity/Editor/" + editorFilename;

			// try getting from LOCALAPPDATA
			// this is the one used from after Windows XP

			string localAppDataVar = System.Environment.GetEnvironmentVariable("LOCALAPPDATA");

			if (!string.IsNullOrEmpty(localAppDataVar))
			{
				string nonXpStyleAppDataPath = localAppDataVar.Replace("\\", "/");
				if (Directory.Exists(nonXpStyleAppDataPath))
				{
					return nonXpStyleAppDataPath + editorLogSubPath;
				}
			}

			// didn't find it in LOCALAPPDATA
			// try USERPROFILE (WinXP style)

			string userProfileVar = System.Environment.GetEnvironmentVariable("USERPROFILE");

			if (!string.IsNullOrEmpty(userProfileVar))
			{
				string xpStyleAppDataPath = userProfileVar.Replace("\\", "/") + "/Local Settings/Application Data";
				if (Directory.Exists(xpStyleAppDataPath))
				{
					return xpStyleAppDataPath + editorLogSubPath;
				}
			}

			Debug.LogError("Could not find path to Unity Editor log!");

			return "";
		}

		public static string EditorLogDefaultPath
		{
			get
			{
				if (System.Environment.OSVersion.Platform == PlatformID.Unix ||
				    System.Environment.OSVersion.Platform == PlatformID.MacOSX)
				{
					return UserHomePath + "/Library/Logs/Unity/Editor.log";
				}

				return GetEditorLogFileInWindows();
			}
		}

		public static string EditorPrevLogPath
		{
			get
			{
				if (System.Environment.OSVersion.Platform == PlatformID.Unix ||
				    System.Environment.OSVersion.Platform == PlatformID.MacOSX)
				{
					return UserHomePath + "/Library/Logs/Unity/Editor-prev.log";
				}

				return GetEditorLogFileInWindows("Editor-prev.log");
			}
		}

		public static string UsedEditorLogPath
		{
			get
			{
				if (IsDefaultEditorLogPathOverridden)
				{
					return BuildReportTool.Options.EditorLogOverridePath;
				}

				return EditorLogDefaultPath;
			}
		}

		public static string EditorLogPathOverrideMessage
		{
			get
			{
				if (IsDefaultEditorLogPathOverridden)
				{
					return "(Overridden)";
				}

				return "(Default)";
			}
		}

		public static bool IsDefaultEditorLogPathOverridden
		{
			get { return !string.IsNullOrEmpty(BuildReportTool.Options.EditorLogOverridePath); }
		}

		public static bool UsedEditorLogExists
		{
			get { return File.Exists(UsedEditorLogPath); }
		}


		public static string GetBuildManagedFolder(string buildFilePath)
		{
			string buildFolder = buildFilePath;

			const string WINDOWS_APP_FILE_TYPE = ".exe";
			const string LINUX_32_APP_FILE_TYPE = ".x86";
			const string LINUX_64_APP_FILE_TYPE = ".x86_64";
			const string MAC_APP_FILE_TYPE = ".app";

			if (buildFolder.EndsWith(WINDOWS_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)) // Windows Standalone
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/testwin64.exe"
				//
				// need to remove ".exe" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - WINDOWS_APP_FILE_TYPE.Length);

				buildFolder += "_Data/Managed";
			}
			else if (buildFolder.EndsWith(LINUX_32_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)
			) // Linux 32-bit Standalone
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/test.x86"
				//
				// need to remove ".x86" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - LINUX_32_APP_FILE_TYPE.Length);

				buildFolder += "_Data/Managed";
			}
			else if (buildFolder.EndsWith(LINUX_64_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)
			) // Linux 64-bit Standalone
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/test.x86_64"
				//
				// need to remove ".x86_64" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - LINUX_64_APP_FILE_TYPE.Length);

				buildFolder += "_Data/Managed";
			}
			else if (buildFolder.EndsWith(MAC_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)) // Mac OS X
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/testmac.app"
				//
				// .app is really just a folder.
				//
				buildFolder += "/Contents/Data/Managed";
			}
			else if (Directory.Exists(buildFolder + "/Data/Managed/")) // iOS
			{
				buildFolder += "/Data/Managed";
			}
			else if (!Directory.Exists(buildFolder))
			{
				// happens with users who use custom build scripts
				//Debug.LogWarning("Folder \"" + buildFolder + "\" does not exist.");
				return "";
			}

			buildFolder += "/";

			return buildFolder;
		}

		public static string GetBuildDataFolder(string buildFilePath)
		{
			string buildFolder = buildFilePath;

			const string WINDOWS_APP_FILE_TYPE = ".exe";
			const string LINUX_32_APP_FILE_TYPE = ".x86";
			const string LINUX_64_APP_FILE_TYPE = ".x86_64";
			const string MAC_APP_FILE_TYPE = ".app";

			if (buildFolder.EndsWith(WINDOWS_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)) // Windows
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/testwin64.exe"
				//
				// need to remove ".exe" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - WINDOWS_APP_FILE_TYPE.Length);
				buildFolder += "_Data";
			}
			else if (buildFolder.EndsWith(LINUX_32_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)
			) // Linux 32-bit Standalone
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/test.x86"
				//
				// need to remove ".x86" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - LINUX_32_APP_FILE_TYPE.Length);

				buildFolder += "_Data";
			}
			else if (buildFolder.EndsWith(LINUX_64_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)
			) // Linux 64-bit Standalone
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/test.x86_64"
				//
				// need to remove ".x86_64" at end
				// then append "_Data" at end
				//
				buildFolder = buildFolder.Substring(0, buildFolder.Length - LINUX_64_APP_FILE_TYPE.Length);

				buildFolder += "_Data";
			}
			else if (buildFolder.EndsWith(MAC_APP_FILE_TYPE, StringComparison.OrdinalIgnoreCase)) // Mac OS X
			{
				//
				// example:
				// "/Users/Ferds/Unity Projects/BuildReportTool/testmac.app"
				//
				// .app is really just a folder.
				//
				buildFolder += "/Contents/Data";
			}
			else if (Directory.Exists(buildFolder + "/Data")) // iOS
			{
				buildFolder += "/Data";
			}
			else if (!Directory.Exists(buildFolder))
			{
				// happens with users who use custom builders
				//Debug.LogWarning("Folder \"" + buildFolder + "\" does not exist.");
				return string.Empty;
			}

			buildFolder += "/";

			return buildFolder;
		}

		static string GetProjectTempStagingArea(string projectDataPath)
		{
			string tempFolder = projectDataPath;
			const string ASSETS = "Assets";
			tempFolder = tempFolder.Substring(0, tempFolder.Length - ASSETS.Length);
			tempFolder += "Temp/StagingArea";
			return tempFolder;
		}

		public static bool AttemptGetWebTempStagingArea(string projectDataPath, out string path)
		{
			string tempFolder = GetProjectTempStagingArea(projectDataPath) + "/Data/Managed/";

			if (Directory.Exists(tempFolder))
			{
				path = tempFolder;
				return true;
			}

			path = "";
			return false;
		}

		public static bool AttemptGetAndroidTempStagingArea(string projectDataPath, out string path)
		{
			string tempFolder = GetProjectTempStagingArea(projectDataPath) + "/assets/bin/Data/Managed/";

			//Debug.Log(tempFolder);

			if (Directory.Exists(tempFolder))
			{
				path = tempFolder;
				return true;
			}

			path = "";
			return false;
		}

		public static bool AttemptGetUnityFolderMonoDLLs(bool wasWebBuild, bool wasAndroidApkBuild,
			string editorAppContentsPath, ApiCompatibilityLevel monoLevel, StrippingLevel codeStrippingLevel,
			out string path, out string higherPriorityPath)
		{
			bool success = false;

			// more hackery
			// attempt to get DLL size info
			// from Unity install folder
			//
			// this only happens in:
			//  1. Web build
			//  2. Android build
			//  3. Custom builders
			//
			string[] pathTries = new string[]
			{
				editorAppContentsPath + "/Frameworks/Mono/lib/mono",
				editorAppContentsPath + "/Mono/lib/mono",
				"/Applications/Unity/Unity.app/Contents/Frameworks/Mono/lib/mono",
				"C:/Program Files (x86)/Unity/Data/Mono/lib/mono",
				"C:/Program Files (x86)/Unity/Editor/Data/Mono/lib/mono",
#if UNITY_3_5
			"/Applications/Unity3/Unity.app/Contents/Frameworks/Mono/lib/mono",
			"/Applications/Unity 3/Unity.app/Contents/Frameworks/Mono/lib/mono",
			"/Applications/Unity3.5/Unity.app/Contents/Frameworks/Mono/lib/mono",
			"/Applications/Unity 3.5/Unity.app/Contents/Frameworks/Mono/lib/mono",
			"C:/Program Files (x86)/Unity3/Data/Mono/lib/mono",
			"C:/Program Files (x86)/Unity 3/Data/Mono/lib/mono",
			"C:/Program Files (x86)/Unity3.5/Data/Mono/lib/mono",
			"C:/Program Files (x86)/Unity 3.5/Data/Mono/lib/mono",
			"C:/Program Files (x86)/Unity3/Editor/Data/Mono/lib/mono",
			"C:/Program Files (x86)/Unity 3/Editor/Data/Mono/lib/mono",
#endif
#if UNITY_4_AND_GREATER
				"/Applications/Unity4/Unity.app/Contents/Frameworks/Mono/lib/mono",
				"/Applications/Unity 4/Unity.app/Contents/Frameworks/Mono/lib/mono",
				"C:/Program Files (x86)/Unity4/Data/Mono/lib/mono",
				"C:/Program Files (x86)/Unity 4/Data/Mono/lib/mono",
				"C:/Program Files (x86)/Unity4/Editor/Data/Mono/lib/mono",
				"C:/Program Files (x86)/Unity 4/Editor/Data/Mono/lib/mono",
#endif
			};

			string tryPath = "";

			for (int n = 0, len = pathTries.Length; n < len; ++n)
			{
				tryPath = pathTries[n];
				if (Directory.Exists(tryPath))
				{
					break;
				}

				tryPath = "";
			}

			if (!string.IsNullOrEmpty(tryPath))
			{
				success = true;

				// "unity_web" is obviously for the web build. Presumably, this one has DLLs removed that can compromise web security.
				// "2.0" is likely the full featured Mono libraries
				// "unity" is most likely the one used when selecting 2.0 subset in the player settings. this is the setting by default.
				// "micro" is probably the one used in StrippingLevel.UseMicroMSCorlib. only makes sense to be here when building on Android.
				//   since in iOS, we already have the DLL files. No need for this hackery in iOS. But since in Android we do not have a project folder,
				//   we resort to this.

				if (wasWebBuild)
				{
					path = tryPath + "/unity_web/";
				}
				else if (monoLevel == ApiCompatibilityLevel.NET_2_0_Subset)
				{
					path = tryPath + "/unity/";
				}
				else
				{
					path = tryPath + "/2.0/";
				}

#if !UNITY_2018_3_OR_NEWER
				if (wasAndroidApkBuild && codeStrippingLevel == StrippingLevel.UseMicroMSCorlib)
				{
					higherPriorityPath = tryPath + "/micro/";
				}
				else
#endif
				{
					higherPriorityPath = "";
				}
			}
			else
			{
				path = "";
				higherPriorityPath = "";
			}

			return success;
		}


		public static EditorBuildSettingsScene[] GetAllScenesInBuild()
		{
			return EditorBuildSettings.scenes;
		}

		public static BuildReportTool.SizePart CreateSizePartFromFile(string filename, string fileFullPath,
			bool getRawSize = true)
		{
			BuildReportTool.SizePart outPart = new BuildReportTool.SizePart();

			outPart.Name = System.Security.SecurityElement.Escape(filename);

			if (File.Exists(fileFullPath))
			{
				if (getRawSize)
				{
					long fileSizeBytes = GetFileSizeInBytes(fileFullPath);
					outPart.RawSizeBytes = fileSizeBytes;
					outPart.RawSize = GetBytesReadable(fileSizeBytes);
				}
				else
				{
					outPart.RawSizeBytes = -1;
					outPart.RawSize = "N/A";
				}


				long importedSizeBytes = -1;

				outPart.ImportedSizeBytes = importedSizeBytes;
				outPart.ImportedSize = BuildReportTool.Util.GetBytesReadable(importedSizeBytes);
			}
			else
			{
				outPart.RawSizeBytes = -1;
				outPart.RawSize = "???";
			}

			// todo perhaps compute percentage: file size of this DLL out of total build size (would need to convert string of total build size into an int of bytes)
			outPart.Percentage = -1;

			return outPart;
		}


		static void SaveTextFile(string saveFilePath, string data)
		{
			string folder = System.IO.Path.GetDirectoryName(saveFilePath);

			if (!string.IsNullOrEmpty(folder))
			{
				System.IO.Directory.CreateDirectory(folder);
			}

#if UNITY_WEBPLAYER && !UNITY_EDITOR
		Debug.LogError("Current build target is set to Web Player. Cannot perform file input/output when in Web Player.");
#else
			System.IO.StreamWriter
				write = new System.IO.StreamWriter(saveFilePath, false,
					System.Text.Encoding.UTF8); // Unity's TextAsset.text borks when encoding used is UTF8 :(
			write.Write(data);
			write.Flush();
			write.Close();
			write.Dispose();
#endif
		}

		static string FixXmlBuildReportFile(string serializedBuildInfoFilePath)
		{
			string xmlData = GetTextFileContents(serializedBuildInfoFilePath);

			if (string.IsNullOrEmpty(xmlData))
			{
				return string.Empty;
			}

			xmlData = xmlData.Replace("BuildSizePart", "SizePart");

			// quick and dirty fix for invalid XML characters in filenames
			xmlData = xmlData.Replace("&#x1;", "");
			xmlData = xmlData.Replace("&#x2;", "");
			xmlData = xmlData.Replace("&#x3;", "");
			xmlData = xmlData.Replace("&#x4;", "");
			xmlData = xmlData.Replace("&#x5;", "");
			xmlData = xmlData.Replace("&#x6;", "");
			xmlData = xmlData.Replace("&#x7;", "");
			xmlData = xmlData.Replace("&#x8;", "");
			xmlData = xmlData.Replace("&#xb;", "");
			xmlData = xmlData.Replace("&#xc;", "");
			xmlData = xmlData.Replace("&#xe;", "");
			xmlData = xmlData.Replace("&#xf;", "");
			xmlData = xmlData.Replace("&#x10;", "");
			xmlData = xmlData.Replace("&#x11;", "");
			xmlData = xmlData.Replace("&#x12;", "");
			xmlData = xmlData.Replace("&#x13;", "");
			xmlData = xmlData.Replace("&#x14;", "");
			xmlData = xmlData.Replace("&#x15;", "");
			xmlData = xmlData.Replace("&#x16;", "");
			xmlData = xmlData.Replace("&#x17;", "");
			xmlData = xmlData.Replace("&#x18;", "");
			xmlData = xmlData.Replace("&#x19;", "");
			xmlData = xmlData.Replace("&#x1a;", "");
			xmlData = xmlData.Replace("&#x1b;", "");
			xmlData = xmlData.Replace("&#x1c;", "");
			xmlData = xmlData.Replace("&#x1d;", "");
			xmlData = xmlData.Replace("&#x1e;", "");
			xmlData = xmlData.Replace("&#x1f;", "");
			xmlData = xmlData.Replace("&#x7f;", "");
			xmlData = xmlData.Replace("&#x81;", "");

			SaveTextFile(serializedBuildInfoFilePath, xmlData);

			return xmlData;
		}

		public static string MyHtmlDecode(string input)
		{
			input = input.Replace("&lt;", "<");
			input = input.Replace("&gt;", ">");
			input = input.Replace("&amp;", "&");
			input = input.Replace("&apos;", "'");
			input = input.Replace("&quot;", "\"");
			input = input.Replace("&ntilde;", "ñ");
			input = input.Replace("&Ntilde;", "Ñ");
			input = input.Replace("&copy;", "©");
			input = input.Replace("&reg;", "®");
			input = input.Replace("&#8482;", "™");

			return input;
		}


		public static BuildInfo OpenSerializedBuildInfo(string serializedBuildInfoFilePath, bool fromMainThread = true)
		{
			BuildInfo ret = null;

			XmlSerializer x = new XmlSerializer(typeof(BuildInfo));

			string correctedXmlData = FixXmlBuildReportFile(serializedBuildInfoFilePath);

			try
			{
				// when the string has contents, it means there were corrections to the xml data
				// and we should load that updated content instead of reading the file
				if (!string.IsNullOrEmpty(correctedXmlData))
				{
					TextReader reader = new StringReader(correctedXmlData);
					ret = (BuildInfo) x.Deserialize(reader);
				}
				else
				{
					// no corrections in the xml file
					// proceed to open the file normally
					using (FileStream fs = new FileStream(serializedBuildInfoFilePath, FileMode.Open))
					{
						XmlReader reader = new XmlTextReader(fs);
						ret = (BuildInfo) x.Deserialize(reader);
						fs.Close();
					}
				}
			}
			catch (Exception e)
			{
				Debug.LogError(e);
			}

			if (fromMainThread)
			{
				if (BuildInfoHasContents(ret))
				{
					ret.OnDeserialize();
					ret.SetSavedPath(serializedBuildInfoFilePath);
				}
				else
				{
					Debug.LogError("Build Report Tool: Invalid data in build info file: " + serializedBuildInfoFilePath);
				}
			}

			return ret;
		}

		public static bool BuildInfoHasContents(BuildInfo n)
		{
			return n != null && n.HasContents;
		}

		// ---------------------------------
		
		public static string GetBuildInfoDefaultFilename(string projectName, string buildType, System.DateTime timeGot)
		{
			return string.Format("{0}-{1}-{2}.xml", projectName, buildType, timeGot.ToString("yyyyMMMdd-HHmmss"));
		}

		public static string GetAssetDependenciesDefaultFilename(string projectName, string buildType, System.DateTime timeGot)
		{
			return string.Format("DEP-{0}-{1}-{2}.xml", projectName, buildType, timeGot.ToString("yyyyMMMdd-HHmmss"));
		}

		public static string GetAssetDependenciesFilenameFromBuildInfo(string filepath)
		{
			var folderPath = System.IO.Path.GetDirectoryName(filepath);
			var filename = System.IO.Path.GetFileName(filepath);
			return string.Format("{0}/DEP-{1}", folderPath, filename);
		}

		// ---------------------------------

		public static string SerializeBuildInfoAtFolder(BuildInfo buildInfo, string folderPathToSaveTo)
		{
			string filePath = folderPathToSaveTo;
			if (!string.IsNullOrEmpty(folderPathToSaveTo))
			{
				if (!Directory.Exists(folderPathToSaveTo))
				{
					Directory.CreateDirectory(folderPathToSaveTo);
				}

				filePath += "/";
			}

			//Debug.Log("built folder");
			filePath = string.Format("{0}{1}", filePath, buildInfo.GetDefaultFilename());
			//Debug.Log("built filepath " + filePath);

			SerializeBuildInfo(buildInfo, filePath);

			return filePath;
		}

		public static void SerializeBuildInfo(BuildInfo buildInfo, string xmlFileFullPathToSaveTo)
		{
			XmlSerializer x = new XmlSerializer(typeof(BuildInfo));
			TextWriter writer = new StreamWriter(xmlFileFullPathToSaveTo);
			x.Serialize(writer, buildInfo);
			writer.Close();

			buildInfo.SetSavedPath(xmlFileFullPathToSaveTo);

			Debug.Log("Build Report Tool: Saved build info at \"" + buildInfo.SavedPath + "\"");
		}

		// ---------------------------------
		
		public static AssetDependencies OpenSerializedAssetDependencies(string serializedAssetDependenciesFilePath)
		{
			AssetDependencies ret = null;

			XmlSerializer x = new XmlSerializer(typeof(AssetDependencies));

			try
			{
				// no corrections in the xml file
				// proceed to open the file normally
				using (FileStream fs = new FileStream(serializedAssetDependenciesFilePath, FileMode.Open))
				{
					XmlReader reader = new XmlTextReader(fs);
					ret = (AssetDependencies) x.Deserialize(reader);
					fs.Close();
				}
			}
			catch (Exception e)
			{
				Debug.LogError(e);
			}

			if (ret != null)
			{
				ret.OnAfterLoad();
				ret.SetSavedPath(serializedAssetDependenciesFilePath);
			}

			return ret;
		}
		
		public static string SerializeAssetDependenciesAtFolder(AssetDependencies assetDependencies, string folderPathToSaveTo)
		{
			string filePath = folderPathToSaveTo;
			if (!string.IsNullOrEmpty(folderPathToSaveTo))
			{
				if (!Directory.Exists(folderPathToSaveTo))
				{
					Directory.CreateDirectory(folderPathToSaveTo);
				}

				filePath += "/";
			}

			//Debug.Log("built folder");
			filePath = string.Format("{0}{1}", filePath, assetDependencies.GetDefaultFilename());
			//Debug.Log("built filepath " + filePath);

			SerializeAssetDependencies(assetDependencies, filePath);

			return filePath;
		}

		public static void SerializeAssetDependencies(AssetDependencies assetDependencies, string xmlFileFullPathToSaveTo)
		{
			assetDependencies.OnBeforeSave();
			
			XmlSerializer x = new XmlSerializer(typeof(AssetDependencies));
			TextWriter writer = new StreamWriter(xmlFileFullPathToSaveTo);
			x.Serialize(writer, assetDependencies);
			writer.Close();

			assetDependencies.SetSavedPath(xmlFileFullPathToSaveTo);

			Debug.Log("Build Report Tool: Saved asset dependencies at \"" + assetDependencies.SavedPath + "\"");
		}
		
		
	}
} // namespace BuildReportTool