editor config | readme | end of lines and encoding

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+end_of_line = lf
+
+[*.{xml,yml}]
+indent_size = 2

README.md

@@ -53,7 +53,3 @@ Compiled document looks like as follows
   <img src="img/template_example.PNG" alt="template_example"/>
   <img src="img/template_example2.PNG" alt="template_example"/>
 </p>
-
-## License
-
-This work is licensed under [Attribution-NonCommercial-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode) license

scripts/verify-encoding.ps1

@@ -0,0 +1,71 @@
+<#
+.SYNOPSIS
+    This script will verify that there's no UTF-8 BOM or CRLF line endings in the files inside of the project.
+#>
+param (
+    # Path to the repository root. All text files under the root will be checked for UTF-8 BOM and CRLF.
+    $SourceRoot = "$PSScriptRoot/..",
+
+    # Makes the script to perform file modifications to bring them to the standard.
+    [switch] $Autofix
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+# For PowerShell to properly process the UTF-8 output from git ls-tree we need to set up the output encoding:
+[Console]::OutputEncoding = [Text.Encoding]::UTF8
+
+$allFiles = git -c core.quotepath=off ls-tree -r HEAD --name-only
+Write-Output "Total files in the repository: $($allFiles.Length)"
+
+# https://stackoverflow.com/questions/6119956/how-to-determine-if-git-handles-a-file-as-binary-or-as-text#comment15281840_6134127
+$nullHash = '4b825dc642cb6eb9a060e54bf8d69288fbee4904'
+$textFiles = git -c core.quotepath=off diff --numstat $nullHash HEAD -- @allFiles |
+    Where-Object { -not $_.StartsWith('-') } |
+    ForEach-Object { [Regex]::Unescape($_.Split("`t", 3)[2]) }
+Write-Output "Text files in the repository: $($textFiles.Length)"
+
+$bom = @(0xEF, 0xBB, 0xBF)
+$bomErrors = @()
+$lineEndingErrors = @()
+
+try {
+    Push-Location $SourceRoot
+    foreach ($file in $textFiles) {
+        if ([IO.Path]::GetExtension($file) -eq '.DotSettings' -or $file.EndsWith('.verified.cs')) {
+            continue
+        }
+
+        $fullPath = Resolve-Path -LiteralPath $file
+        $bytes = [IO.File]::ReadAllBytes($fullPath) | Select-Object -First $bom.Length
+        $bytesEqualsBom = @(Compare-Object $bytes $bom -SyncWindow 0).Length -eq 0
+        if ($bytesEqualsBom -and $Autofix) {
+            $fullContent = [IO.File]::ReadAllBytes($fullPath)
+            $newContent = $fullContent | Select-Object -Skip $bom.Length
+            [IO.File]::WriteAllBytes($fullPath, $newContent)
+            Write-Output "Removed UTF-8 BOM from file $file"
+        } elseif ($bytesEqualsBom) {
+            $bomErrors += @($file)
+        }
+
+        $text = [IO.File]::ReadAllText($fullPath)
+        $hasWrongLineEndings = $text.Contains("`r`n")
+        if ($hasWrongLineEndings -and $Autofix) {
+            $newText = $text -replace "`r`n", "`n"
+            [IO.File]::WriteAllText($fullPath, $newText)
+            Write-Output "Fixed the line endings for file $file"
+        } elseif ($hasWrongLineEndings) {
+            $lineEndingErrors += @($file)
+        }
+    }
+
+    if ($bomErrors.Length) {
+        throw "The following $($bomErrors.Length) files have UTF-8 BOM:`n" + ($bomErrors -join "`n")
+    }
+    if ($lineEndingErrors.Length) {
+        throw "The following $($lineEndingErrors.Length) files have CRLF instead of LF:`n" + ($lineEndingErrors -join "`n")
+    }
+} finally {
+    Pop-Location
+}