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Code Issues Projects Releases Wiki Activity

RegexUtils] - move regex methods to regexutils.

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This commit is contained in:
Ivandro Ismael 2017-12-03 16:20:16 +00:00
parent c520cc8e28
commit 9950d9499b
11 changed files with 67 additions and 67 deletions
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2
libse/Dictionaries/OcrFixReplaceList.cs
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@ -132,7 +132,7 @@ namespace Nikse.SubtitleEdit.Core.Dictionaries
{
if (node.Attributes["find"] != null && node.Attributes["replaceWith"] != null)
{
return Utilities.IsValidRegex(node.Attributes["find"].Value);
return RegexUtils.IsValidRegex(node.Attributes["find"].Value);
}
}
else

2
libse/Forms/FixCommonErrors/FixAloneLowercaseIToUppercaseI.cs
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@ -17,7 +17,7 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
string s = p.Text;
if (s.Contains('i'))
{
s = FixAloneLowercaseIToUppercaseLine(SubtitleEditRegex.LittleIRegex, oldText, s, 'i');
s = FixAloneLowercaseIToUppercaseLine(RegexUtils.LittleIRegex, oldText, s, 'i');
if (s != oldText && callbacks.AllowFix(p, fixAction))
{
p.Text = s;

34
libse/Forms/FixCommonErrors/FixDanishLetterI.cs
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@ -17,15 +17,15 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
string oldText = text;
// Make sure text contains lower: 'i'.
if (SubtitleEditRegex.LittleIRegex.IsMatch(text))
if (RegexUtils.LittleIRegex.IsMatch(text))
{
foreach (var regex in SubtitleEditRegex.DanishLetterI.DanishCompiledRegexList)
foreach (var regex in RegexUtils.DanishLetterI.DanishCompiledRegexList)
{
Match match = regex.Match(text);
while (match.Success)
{
// Get lower 'i' index from matched value.
int iIdx = SubtitleEditRegex.LittleIRegex.Match(match.Value).Index;
int iIdx = RegexUtils.LittleIRegex.Match(match.Value).Index;
// Remove 'i' from given index and insert new uppwercase 'I'.
string temp = match.Value.Remove(iIdx, 1).Insert(iIdx, "I");
@ -39,26 +39,26 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
}
}
if (SubtitleEditRegex.DanishLetterI.RegExIDag.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIDag.Replace(text, "i dag");
if (RegexUtils.DanishLetterI.RegExIDag.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIDag.Replace(text, "i dag");
if (SubtitleEditRegex.DanishLetterI.RegExIGaar.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIGaar.Replace(text, "i går");
if (RegexUtils.DanishLetterI.RegExIGaar.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIGaar.Replace(text, "i går");
if (SubtitleEditRegex.DanishLetterI.RegExIMorgen.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIMorgen.Replace(text, "i morgen");
if (RegexUtils.DanishLetterI.RegExIMorgen.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIMorgen.Replace(text, "i morgen");
if (SubtitleEditRegex.DanishLetterI.RegExIAlt.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIAlt.Replace(text, "i alt");
if (RegexUtils.DanishLetterI.RegExIAlt.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIAlt.Replace(text, "i alt");
if (SubtitleEditRegex.DanishLetterI.RegExIGang.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIGang.Replace(text, "i gang");
if (RegexUtils.DanishLetterI.RegExIGang.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIGang.Replace(text, "i gang");
if (SubtitleEditRegex.DanishLetterI.RegExIStand.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIStand.Replace(text, "i stand");
if (RegexUtils.DanishLetterI.RegExIStand.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIStand.Replace(text, "i stand");
if (SubtitleEditRegex.DanishLetterI.RegExIOevrigt.IsMatch(text))
text = SubtitleEditRegex.DanishLetterI.RegExIOevrigt.Replace(text, "i øvrigt");
if (RegexUtils.DanishLetterI.RegExIOevrigt.IsMatch(text))
text = RegexUtils.DanishLetterI.RegExIOevrigt.Replace(text, "i øvrigt");
if (text != oldText && callbacks.AllowFix(p, fixAction))
{

2
libse/LibSE.csproj
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@ -226,7 +226,7 @@
<Compile Include="SsaStyle.cs" />
<Compile Include="StringExtensions.cs" />
<Compile Include="StrippableText.cs" />
<Compile Include="SubtitleEditRegex.cs" />
<Compile Include="RegexUtils.cs" />
<Compile Include="Subtitle.cs" />
<Compile Include="SubtitleFormats\AribB36.cs" />
<Compile Include="SubtitleFormats\AribB24Decoder.cs" />

41
libse/SubtitleEditRegex.cs → libse/RegexUtils.cs
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@ -1,9 +1,10 @@
using System.Collections.Generic;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core
{
public static class SubtitleEditRegex
public static class RegexUtils
{
// Others classes may want to use this regex.
public static readonly Regex LittleIRegex = new Regex(@"\bi\b", RegexOptions.Compiled);
@ -166,5 +167,41 @@ namespace Nikse.SubtitleEdit.Core
/// </summary>
private static string ExpandWhiteSpace(string pattern) => pattern.Replace(" ", "[ \r\n]+");
}
public static bool IsValidRegex(string testPattern)
{
if (string.IsNullOrEmpty(testPattern))
{
return false;
}
try
{
Regex.Match(string.Empty, testPattern);
return true;
}
catch (ArgumentException) // invalid pattern e.g: [
{
return false;
}
}
public static Regex MakeWordSearchRegex(string word)
{
string s = word.Replace("\\", "\\\\");
s = s.Replace("*", "\\*");
s = s.Replace(".", "\\.");
s = s.Replace("?", "\\?");
return new Regex(@"\b" + s + @"\b", RegexOptions.Compiled);
}
public static Regex MakeWordSearchRegexWithNumbers(string word)
{
string s = word.Replace("\\", "\\\\");
s = s.Replace("*", "\\*");
s = s.Replace(".", "\\.");
s = s.Replace("?", "\\?");
return new Regex(@"[\b ,\.\?\!]" + s + @"[\b !\.,\r\n\?]", RegexOptions.Compiled);
}
}
}

37
libse/Utilities.cs
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@ -872,43 +872,6 @@ namespace Nikse.SubtitleEdit.Core
}
}
public static bool IsValidRegex(string testPattern)
{
if (string.IsNullOrEmpty(testPattern))
{
return false;
}
try
{
Regex.Match(string.Empty, testPattern);
}
catch (ArgumentException)
{
// BAD PATTERN: Syntax error
return false;
}
return true;
}
public static Regex MakeWordSearchRegex(string word)
{
string s = word.Replace("\\", "\\\\");
s = s.Replace("*", "\\*");
s = s.Replace(".", "\\.");
s = s.Replace("?", "\\?");
return new Regex(@"\b" + s + @"\b", RegexOptions.Compiled);
}
public static Regex MakeWordSearchRegexWithNumbers(string word)
{
string s = word.Replace("\\", "\\\\");
s = s.Replace("*", "\\*");
s = s.Replace(".", "\\.");
s = s.Replace("?", "\\?");
return new Regex(@"[\b ,\.\?\!]" + s + @"[\b !\.,\r\n\?]", RegexOptions.Compiled);
}
public static void RemoveFromUserDictionary(string word, string languageName)
{
word = word.Trim();

2
src/Forms/DoNotBreakAfterListEdit.cs
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@ -152,7 +152,7 @@ namespace Nikse.SubtitleEdit.Forms
}
else
{
if (!Utilities.IsValidRegex(textBoxNoBreakAfter.Text))
if (!RegexUtils.IsValidRegex(textBoxNoBreakAfter.Text))
{
MessageBox.Show(Configuration.Settings.Language.General.RegularExpressionIsNotValid);
return;

4
src/Forms/MultipleReplace.cs
View File

@ -197,7 +197,7 @@ namespace Nikse.SubtitleEdit.Forms
else if (radioButtonRegEx.Checked)
{
searchType = SearchTypeRegularExpression;
if (!Utilities.IsValidRegex(findText))
if (!RegexUtils.IsValidRegex(findText))
{
MessageBox.Show(Configuration.Settings.Language.General.RegularExpressionIsNotValid);
textBoxFind.Select();
@ -424,7 +424,7 @@ namespace Nikse.SubtitleEdit.Forms
else if (radioButtonRegEx.Checked)
{
searchType = SearchTypeRegularExpression;
if (!Utilities.IsValidRegex(findText))
if (!RegexUtils.IsValidRegex(findText))
{
MessageBox.Show(Configuration.Settings.Language.General.RegularExpressionIsNotValid);
textBoxFind.Select();

2
src/Logic/FindReplaceDialogHelper.cs
View File

@ -253,7 +253,7 @@ namespace Nikse.SubtitleEdit.Logic
// validate pattern if find type is regex
if (FindReplaceType.FindType == FindType.RegEx)
{
if (!Utilities.IsValidRegex(_findText))
if (!RegexUtils.IsValidRegex(_findText))
{
MessageBox.Show(Configuration.Settings.Language.General.RegularExpressionIsNotValid);
return count;

2
src/Logic/OCR/OcrFixEngine.cs
View File

@ -450,7 +450,7 @@ namespace Nikse.SubtitleEdit.Logic.Ocr
if (SpellCheckDictionaryName.StartsWith("en_", StringComparison.Ordinal) || _threeLetterIsoLanguageName == "eng")
{
string oldText = text;
text = FixAloneLowercaseIToUppercaseI.FixAloneLowercaseIToUppercaseLine(SubtitleEditRegex.LittleIRegex, oldText, text, 'i');
text = FixAloneLowercaseIToUppercaseI.FixAloneLowercaseIToUppercaseLine(RegexUtils.LittleIRegex, oldText, text, 'i');
text = FixAloneLowercaseIToUppercaseI.FixAloneLowercaseIToUppercaseLine(RegexAloneIasL, oldText, text, 'l');
}
else if (_threeLetterIsoLanguageName == "fra")

6
src/Test/Logic/UtilitiesTest.cs
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@ -497,19 +497,19 @@ namespace Test.Logic
[TestMethod]
public void IsValidRegexOk1()
{
Assert.IsTrue(Utilities.IsValidRegex(@"^(?![\s\S])"));
Assert.IsTrue(RegexUtils.IsValidRegex(@"^(?![\s\S])"));
}
[TestMethod]
public void IsValidRegexOk2()
{
Assert.IsTrue(Utilities.IsValidRegex(@"\d+"));
Assert.IsTrue(RegexUtils.IsValidRegex(@"\d+"));
}
[TestMethod]
public void IsValidRegexBad1()
{
Assert.IsFalse(Utilities.IsValidRegex(@"[\s\S(\()()(()\)"));
Assert.IsFalse(RegexUtils.IsValidRegex(@"[\s\S(\()()(()\)"));
}
[TestMethod]