qem 0.8.0

High-performance cross-platform text engine for massive files.
Documentation 
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param(
    [string]$Cargo = "cargo"
)

Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

$tempRoot =
if ($env:RUNNER_TEMP) {
    Join-Path $env:RUNNER_TEMP "qem-example-smoke"
} else {
    Join-Path ([System.IO.Path]::GetTempPath()) ("qem-example-smoke-" + [System.Guid]::NewGuid().ToString("n"))
}

if (Test-Path $tempRoot) {
    Remove-Item -LiteralPath $tempRoot -Recurse -Force
}

New-Item -ItemType Directory -Path $tempRoot | Out-Null

try {
    $input = Join-Path $tempRoot "input.txt"
    $typedOutput = Join-Path $tempRoot "typed-output.txt"
    $frontendOutput = Join-Path $tempRoot "frontend-output.txt"
    $editorOutput = Join-Path $tempRoot "editor-output.txt"

    [System.IO.File]::WriteAllText(
        $input,
        "Hello qem demo`nsecond line`ncuttable text`nfinal line`n",
        [System.Text.UTF8Encoding]::new($false)
    )

    & $Cargo run --quiet --example viewport --no-default-features -- $input 0 2
    if ($LASTEXITCODE -ne 0) {
        throw "viewport example failed"
    }

    & $Cargo run --quiet --example typed_editing --no-default-features -- $input $typedOutput
    if ($LASTEXITCODE -ne 0) {
        throw "typed_editing example failed"
    }
    if (!(Test-Path $typedOutput)) {
        throw "typed_editing did not create the output file"
    }
    $typedText = Get-Content -LiteralPath $typedOutput -Raw
    if ($typedText -notmatch "\[qem-demo\]") {
        throw "typed_editing output does not contain the edited marker"
    }

    & $Cargo run --quiet --example frontend_session --features editor -- $input $frontendOutput
    if ($LASTEXITCODE -ne 0) {
        throw "frontend_session example failed"
    }
    if (!(Test-Path $frontendOutput)) {
        throw "frontend_session did not create the output file"
    }
    $frontendText = Get-Content -LiteralPath $frontendOutput -Raw
    if (!$frontendText.StartsWith("// saved by qem frontend_session example")) {
        throw "frontend_session output does not contain the expected header"
    }

    & $Cargo run --quiet --example editor_session --features editor -- $input $editorOutput
    if ($LASTEXITCODE -ne 0) {
        throw "editor_session example failed"
    }
    if (!(Test-Path $editorOutput)) {
        throw "editor_session did not create the output file"
    }
    $editorText = Get-Content -LiteralPath $editorOutput -Raw
    if (!$editorText.StartsWith("// generated by qem example")) {
        throw "editor_session output does not contain the expected header"
    }

    Write-Host "Qem example smoke passed."
}
finally {
    if (Test-Path $tempRoot) {
        Remove-Item -LiteralPath $tempRoot -Recurse -Force
    }
}