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[Registry Preview] Better preview in data grid like in Regedit (#28488)

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* Fix typo

* Better data grid preview like regedit

* Fix sorting of resource strings

* Add error icons back in

* Remove comments then trim whitespace

* Better string detection
This commit is contained in:
Dylan Briedis
2023-09-21 08:04:02 -07:00
committed by GitHub
parent e545291461
commit 1de6c7d19b
3 changed files with 131 additions and 6 deletions
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124
src/modules/registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs
View File

@@ -8,7 +8,9 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Microsoft.UI.Input;
using Microsoft.UI.Xaml;
@@ -413,21 +415,75 @@ namespace RegistryPreview
value += registryLine;
}
// Clean out any escaped characters in the value, only for the preview
value = StripEscapedCharacters(value);
// update the ListViewItem with the loaded value, based off REG value type
switch (registryValue.Type)
{
case "ERROR":
// do nothing
break;
case "REG_SZ":
if (value == "\"")
{
// Value is most likely missing an end quote
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidString");
}
else
{
for (int i = 1; i < value.Length; i++)
{
if (value[i - 1] == '\\')
{
// Only allow these escape characters
if (value[i] != '"' && value[i] != '\\')
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidString");
break;
}
i++;
}
if (value[i - 1] != '\\' && value[i] == '"')
{
// Don't allow non-escaped quotes
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidString");
break;
}
}
if (registryValue.Type != "ERROR")
{
// Clean out any escaped characters in the value, only for the preview
value = StripEscapedCharacters(value);
}
}
registryValue.Value = value;
break;
case "REG_BINARY":
case "REG_NONE":
if (value.Length <= 0)
{
value = resourceLoader.GetString("ZeroLength");
}
else
{
try
{
// Hexes are usually two characters (00), it's invalid if less or more than 2
var bytes = value.Split(',').Select(
c => c.Length == 2 ? byte.Parse(c, NumberStyles.HexNumber, CultureInfo.InvariantCulture) : throw null);
value = string.Join(' ', bytes.Select(b => b.ToString("x2", CultureInfo.CurrentCulture)));
}
catch
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidBinary");
}
}
registryValue.Value = value;
@@ -436,6 +492,19 @@ namespace RegistryPreview
if (value.Length <= 0)
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidDword");
}
else
{
if (uint.TryParse(value, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out uint dword))
{
value = $"0x{dword:x8} ({dword})";
}
else
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidDword");
}
}
registryValue.Value = value;
@@ -444,8 +513,55 @@ namespace RegistryPreview
case "REG_QWORD":
if (value.Length <= 0)
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidQword");
}
else
{
try
{
// Hexes are usually two characters (00), it's invalid if less or more than 2
var bytes = value.Split(',').Select(
c => c.Length == 2 ? byte.Parse(c, NumberStyles.HexNumber, CultureInfo.InvariantCulture) : throw null).ToArray();
ulong qword = BitConverter.ToUInt64(bytes);
value = $"0x{qword:x8} ({qword})";
}
catch
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidQword");
}
}
registryValue.Value = value;
break;
case "REG_EXPAND_SZ":
case "REG_MULTI_SZ":
try
{
// Hexes are usually two characters (00), it's invalid if less or more than 2
var bytes = value.Split(',').Select(
c => c.Length == 2 ? byte.Parse(c, NumberStyles.HexNumber, CultureInfo.InvariantCulture) : throw null).ToArray();
if (registryValue.Type == "REG_MULTI_SZ")
{
// Replace zeros (00,00) with spaces
for (int i = 0; i < bytes.Length; i += 2)
{
if (bytes[i] == 0 && bytes[i + 1] == 0)
{
bytes[i] = 0x20;
}
}
}
value = Encoding.Unicode.GetString(bytes);
}
catch
{
registryValue.Type = "ERROR";
value = resourceLoader.GetString("InvalidString");
}
registryValue.Value = value;
break;
@@ -1036,7 +1152,7 @@ namespace RegistryPreview
value = value.Remove(indexOf, value.Length - indexOf);
}
return value;
return value.TrimEnd();
}
/// <summary>

2
src/modules/registrypreview/RegistryPreviewUI/RegistryValue.xaml.cs
View File

@@ -33,7 +33,7 @@ namespace RegistryPreview
switch (Type)
{
case "REG_SZ":
case "REG_EXAND_SZ":
case "REG_EXPAND_SZ":
case "REG_MULTI_SZ":
return uriStringValue;
case "ERROR":

11
src/modules/registrypreview/RegistryPreviewUI/Strings/en-US/Resources.resw
View File

@@ -138,6 +138,12 @@
<data name="FilterRegistryName" xml:space="preserve">
<value>Registry files (*.reg)</value>
</data>
<data name="InvalidBinary" xml:space="preserve">
<value>(Invalid binary value)</value>
</data>
<data name="InvalidDword" xml:space="preserve">
<value>(Invalid DWORD (32-bit) value)</value>
</data>
<data name="InvalidQword" xml:space="preserve">
<value>(Invalid QWORD (64-bit) value)</value>
</data>
@@ -147,6 +153,9 @@
<data name="InvalidRegistryFileTitle" xml:space="preserve">
<value>File was not a Registry file</value>
</data>
<data name="InvalidString" xml:space="preserve">
<value>(Invalid string value)</value>
</data>
<data name="LargeRegistryFile" xml:space="preserve">
<value> is larger than 10MB which is too large for this application.</value>
</data>
@@ -228,7 +237,7 @@
<value>User Account Control</value>
</data>
<data name="ValueColumn.Header" xml:space="preserve">
<value>Value</value>
<value>Data</value>
</data>
<data name="WriteButton.Label" xml:space="preserve">
<value>Write to Registry</value>