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Fix the word wrapping in formatting to handle escape sequences properly #17316

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merged 7 commits into from May 16, 2022
Merged

Fix the word wrapping in formatting to handle escape sequences properly #17316

merged 7 commits into from May 16, 2022

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daxian-dbw
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@daxian-dbw daxian-dbw commented May 11, 2022

PR Summary

Fix #17261
Fix the word wrapping in formatting to handle escape sequences properly.
The changes are mainly in 3 utility methods to take into account possible escape sequences when manipulate strings:

  • SplitLines: split a multi-line string. Make sure the escape sequences are kept for all lines after the splitting.
  • GetWords: split a single-line string into words. Make sure all escape sequences are kept for each word, so the decoration to the individual words is the same as they are in the string.
  • GenerateLinesWithWordWrap. When splitting a word across multiple lines, make sure all escape sequences are kept in the same order for all individual sub-strings, so the decoration to the sub-strings is the same as they are in the original string.

Here are some examples to demonstrate the fix:

Multi-line string in list view

$m = [pscustomobject] @{ b = "`e[33mPowerShell is a task automation and configuration management program from Microsoft.`nIt consists of a command-line shell and the associated scripting language" }
$m | Format-List

image

Multi-line string in list view with word wrapping

$PSStyle.OutputRendering = 'Ansi'
$m = [pscustomobject] @{ b = "`e[33mPowerShell is a task `e[31mautomation and configuration`e[33m management program from Microsoft.`nIt consists of a command-line shell and the associated scripting language" }
$m | Format-List | Out-String -Width 45

image

Long word across multiple lines

$PSStyle.OutputRendering = 'Ansi'
$m = [pscustomobject] @{ b = "`e[33mC:\repos\PowerShell\src\`e[31mpowershell-win-core`e[33m\bin\Debug\net7.0\win7-x64\publish\pwsh.exe"; vv = "Hello world" }
$m | Format-List | Out-String -Width 40

image

PR Checklist

@daxian-dbw daxian-dbw assigned daxian-dbw and unassigned anmenaga May 11, 2022
@daxian-dbw daxian-dbw marked this pull request as draft May 11, 2022
@daxian-dbw daxian-dbw added the CL-Engine label May 11, 2022
@daxian-dbw daxian-dbw marked this pull request as ready for review May 11, 2022
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pull-request-quantifier bot commented May 12, 2022

This PR has 238 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

Quantification details 

Label      : Large
Size       : +165 -73
Percentile : 63.8%

Total files changed: 8

Change summary by file extension:
.StyleCop : +1 -0
.cs : +134 -72
.json : +1 -1
.ps1 : +29 -0

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SeeminglyScience
SeeminglyScience approved these changes May 16, 2022
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@SeeminglyScience SeeminglyScience left a comment

LGTM! Very well done ♥

@daxian-dbw daxian-dbw merged commit c40066d into PowerShell:master May 16, 2022
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@daxian-dbw daxian-dbw deleted the word branch May 16, 2022
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msftbot bot commented May 23, 2022

🎉v7.3.0-preview.4 has been released which incorporates this pull request.🎉

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@iSazonov iSazonov

@SeeminglyScience SeeminglyScience

@PaulHigin PaulHigin

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Word wrapping code in formatting doesn't take into account escape sequences in strings
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@daxian-dbw @iSazonov @SeeminglyScience @anmenaga
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