prehistoric-systems/Flow.Launcher
1
0
Fork 0
mirror of https://github.com/Flow-Launcher/Flow.Launcher.git synced 2026-03-11 08:54:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Improve windows index search with special character

Browse source
This commit is contained in:
Jack251970 2024-12-09 13:23:28 +08:00
parent 1f81ea09f1
commit 5b344fb53c
1 changed files with 36 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
Plugins/Flow.Launcher.Plugin.Explorer/Search/WindowsIndex/QueryConstructor.cs
View file

@ -1,10 +1,14 @@
using System;
using System.Text.RegularExpressions;
using Microsoft.Search.Interop;
namespace Flow.Launcher.Plugin.Explorer.Search.WindowsIndex
{
public class QueryConstructor
{
private static Regex _specialCharacterMatcher = new(@"[\@\＠\#\＃\&\＆＊_;,\%\|\!\(\)\{\}\[\]\^\~\?\\""\/\:\=\-]+", RegexOptions.Compiled);
private static Regex _multiWhiteSpacesMatcher = new(@"\s+", RegexOptions.Compiled);
private Settings settings { get; }
private const string SystemIndex = "SystemIndex";
@ -76,8 +80,39 @@ namespace Flow.Launcher.Plugin.Explorer.Search.WindowsIndex
if (userSearchString.IsWhiteSpace())
userSearchString = "*";
// Remove any special characters that might cause issues with the query
var replacedSearchString = ReplaceSpecialCharacterWithTwoSideWhiteSpace(userSearchString);
// Generate SQL from constructed parameters, converting the userSearchString from AQS->WHERE clause
return $"{CreateBaseQuery().GenerateSQLFromUserQuery(userSearchString.ToString())} AND {RestrictionsForAllFilesAndFoldersSearch} ORDER BY {FileName}";
return $"{CreateBaseQuery().GenerateSQLFromUserQuery(replacedSearchString)} AND {RestrictionsForAllFilesAndFoldersSearch} ORDER BY {FileName}";
}
/// <summary>
/// If one special character have white space on one side, replace it with one white space.
/// So command will not have "[special character]+*" which will cause OLEDB exception.
/// </summary>
private static string ReplaceSpecialCharacterWithTwoSideWhiteSpace(ReadOnlySpan<char> input)
{
const string whiteSpace = " ";
var inputString = input.ToString();
// Use regex to match special characters with whitespace on one side
// and replace them with a single space
var result = _specialCharacterMatcher.Replace(inputString, match =>
{
// Check if the match has whitespace on one side
bool hasLeadingWhitespace = match.Index > 0 && char.IsWhiteSpace(inputString[match.Index - 1]);
bool hasTrailingWhitespace = match.Index + match.Length < inputString.Length && char.IsWhiteSpace(inputString[match.Index + match.Length]);
if (hasLeadingWhitespace || hasTrailingWhitespace)
{
return whiteSpace;
}
return match.Value;
});
// Remove any extra spaces that might have been introduced
return _multiWhiteSpacesMatcher.Replace(result, whiteSpace).Trim();
}
///<summary>