OCCT/.github/actions/ascii-check/action.yml

name: 'ASCII Code Check'
description: 'Check for non-ASCII characters in changed code files'
inputs:
  base-ref:
    description: 'Base reference to compare changes against'
    required: true
    default: 'master'
  file-pattern:
    description: 'Pattern to match files for ASCII check'
    required: false
    default: '^(src)/.*\.(cpp|hxx|cxx|lxx|h|pxx|hpp|gxx)$'

outputs:
  has-non-ascii:
    description: 'Whether any files contained non-ASCII characters'
    value: ${{ steps.ascii-check.outputs.has_non_ascii }}

runs:
  using: "composite"
  steps:
    - name: Get changed files
      id: changed-files
      shell: pwsh
      run: |
        $changedFiles = git diff --name-only origin/${{ inputs.base-ref }} HEAD |
          Where-Object { $_ -match '${{ inputs.file-pattern }}' } |
          Where-Object { Test-Path $_ }
        
        $changedFiles | Set-Content "changed_files.txt"
        if ($changedFiles.Count -gt 0) {
          echo "has_files=true" >> $env:GITHUB_OUTPUT
        }

    - name: Check for non-ASCII characters
      id: ascii-check
      if: steps.changed-files.outputs.has_files == 'true'
      shell: pwsh
      run: |
        $hasNonAscii = $false
        $nonAsciiLogs = @()
        
        $files = Get-Content "changed_files.txt" | Where-Object { Test-Path $_ }
        foreach ($file in $files) {
          Write-Output "Checking file: $file"
          $fileContent = Get-Content -Path $file -Raw
          $lineNumber = 1
          $nonAsciiInFile = $false
          
          foreach ($line in ($fileContent -split "`n")) {
            # Find non-ASCII characters (char code > 127)
            $nonAsciiMatches = [regex]::Matches($line, "[^\x00-\x7F]")
            if ($nonAsciiMatches.Count -gt 0) {
              $nonAsciiInFile = $true
              $hasNonAscii = $true
              
              foreach ($match in $nonAsciiMatches) {
                $charCode = [int][char]$match.Value
                $hexCode = "0x{0:X}" -f $charCode
                $positionInLine = $match.Index + 1
                
                $message = "Non-ASCII character found in '$file' at line $lineNumber, position $($positionInLine): '$($match.Value)' (Unicode: $hexCode)"
                $nonAsciiLogs += $message
                Write-Output $message
              }
            }
            $lineNumber++
          }
          
          if ($nonAsciiInFile) {
            Write-Output "::warning file=$file::File contains non-ASCII characters"
          }
        }
        
        $nonAsciiLogs | Set-Content "non_ascii_report.txt"
        if ($hasNonAscii) {
          echo "has_non_ascii=true" >> $env:GITHUB_OUTPUT
        }

    - name: Upload non-ASCII report
      if: steps.ascii-check.outputs.has_non_ascii == 'true'
      uses: actions/upload-artifact@v4.6.2
      with:
        name: non-ascii-report
        path: non_ascii_report.txt

    - name: Failing step for non-ASCII issues
      if: steps.ascii-check.outputs.has_non_ascii == 'true'
      shell: pwsh
      run: |
        Write-Output "::error::Files contain non-ASCII characters. See the non-ascii-report artifact for details."
        exit 1

branding:
  icon: 'alert-circle'
  color: 'red'