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[bugfix] - fix bug (invalid regex pattern) in 'find' + better element validation

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This commit is contained in:
ivandrofly 2015-09-02 17:24:15 +01:00
parent 946a483822
commit e56998cfca
1 changed files with 46 additions and 28 deletions
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74
libse/Dictionaries/OcrFixReplaceList.cs
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@ -17,8 +17,8 @@ namespace Nikse.SubtitleEdit.Core.Dictionaries
private static readonly Regex HexNumber = new Regex(@"^#?[\dABDEFabcdef]+$", RegexOptions.Compiled); private static readonly Regex HexNumber = new Regex(@"^#?[\dABDEFabcdef]+$", RegexOptions.Compiled);
private static readonly Regex StartEndEndsWithNumber = new Regex(@"^\d+.+\d$", RegexOptions.Compiled); private static readonly Regex StartEndEndsWithNumber = new Regex(@"^\d+.+\d$", RegexOptions.Compiled);
public Dictionary<string, string> WordReplaceList; public readonly Dictionary<string, string> WordReplaceList;
public Dictionary<string, string> PartialLineWordBoundaryReplaceList; public readonly Dictionary<string, string> PartialLineWordBoundaryReplaceList;
private readonly Dictionary<string, string> _partialLineAlwaysReplaceList; private readonly Dictionary<string, string> _partialLineAlwaysReplaceList;
private readonly Dictionary<string, string> _beginLineReplaceList; private readonly Dictionary<string, string> _beginLineReplaceList;
private readonly Dictionary<string, string> _endLineReplaceList; private readonly Dictionary<string, string> _endLineReplaceList;
@ -85,21 +85,16 @@ namespace Nikse.SubtitleEdit.Core.Dictionaries
private static Dictionary<string, string> LoadReplaceList(XmlDocument doc, string name) private static Dictionary<string, string> LoadReplaceList(XmlDocument doc, string name)
{ {
var list = new Dictionary<string, string>(); var list = new Dictionary<string, string>();
if (doc.DocumentElement != null) if (!IsValidXmlDocument(doc, name))
return list;
foreach (XmlNode item in doc.DocumentElement.SelectSingleNode(name).ChildNodes)
{ {
XmlNode node = doc.DocumentElement.SelectSingleNode(name); if (HasValidAttributes(item, false))
if (node != null)
{ {
foreach (XmlNode item in node.ChildNodes) string to = item.Attributes["to"].Value;
{ string from = item.Attributes["from"].Value;
if (item.Attributes != null && item.Attributes["to"] != null && item.Attributes["from"] != null) if (!list.ContainsKey(from))
{ list.Add(from, to);
string to = item.Attributes["to"].InnerText;
string from = item.Attributes["from"].InnerText;
if (!list.ContainsKey(from))
list.Add(from, to);
}
}
} }
} }
return list; return list;
@ -108,26 +103,49 @@ namespace Nikse.SubtitleEdit.Core.Dictionaries
private static Dictionary<string, string> LoadRegExList(XmlDocument doc, string name) private static Dictionary<string, string> LoadRegExList(XmlDocument doc, string name)
{ {
var list = new Dictionary<string, string>(); var list = new Dictionary<string, string>();
if (doc.DocumentElement != null) if (!IsValidXmlDocument(doc, name))
return list;
foreach (XmlNode item in doc.DocumentElement.SelectSingleNode(name).ChildNodes)
{ {
XmlNode node = doc.DocumentElement.SelectSingleNode(name); if (HasValidAttributes(item, true))
if (node != null)
{ {
foreach (XmlNode item in node.ChildNodes) string to = item.Attributes["replaceWith"].Value;
{ string from = item.Attributes["find"].Value;
if (item.Attributes != null && item.Attributes["replaceWith"] != null && item.Attributes["find"] != null) if (!list.ContainsKey(from))
{ list.Add(from, to);
string to = item.Attributes["replaceWith"].InnerText;
string from = item.Attributes["find"].InnerText;
if (!list.ContainsKey(from))
list.Add(from, to);
}
}
} }
} }
return list; return list;
} }
private static bool IsValidXmlDocument(XmlDocument doc, string elementName)
{
if (doc.DocumentElement == null || doc.DocumentElement.SelectSingleNode(elementName) == null)
return false;
return true;
}
private static bool HasValidAttributes(XmlNode node, bool isRegex)
{
if (node == null || node.Attributes == null)
return false;
if (isRegex)
{
if (node.Attributes["find"] != null && node.Attributes["replaceWith"] != null)
{
return Utilities.IsValidRegex(node.Attributes["find"].Value);
}
}
else
{
if (node.Attributes["from"] != null && node.Attributes["to"] != null)
{
return (node.Attributes["from"].Value != node.Attributes["to"].Value);
}
}
return false;
}
public string FixOcrErrorViaLineReplaceList(string input) public string FixOcrErrorViaLineReplaceList(string input)
{ {
// Whole fromLine // Whole fromLine