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Improve custom uploader parser escaping

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This commit is contained in:
Jaex 2018-10-31 15:19:27 +03:00
parent bdfbebfe37
commit 5141777523
1 changed files with 26 additions and 22 deletions
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48
ShareX.UploadersLib/Helpers/CustomUploaderParser.cs
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@ -86,54 +86,58 @@ public string Parse(string text)
return "";
}
StringBuilder result = new StringBuilder();
bool syntaxStart = false;
int syntaxStartIndex = 0;
bool escape = false;
StringBuilder sbResult = new StringBuilder();
StringBuilder sbSyntax = new StringBuilder();
bool escapeNext = false;
bool parsingSyntax = false;
for (int i = 0; i < text.Length; i++)
{
if (!escape && text[i] == SyntaxChar)
if (!escapeNext && text[i] == SyntaxChar)
{
if (!syntaxStart)
if (!parsingSyntax)
{
syntaxStart = true;
syntaxStartIndex = i + 1;
parsingSyntax = true;
sbSyntax.Clear();
}
else
{
syntaxStart = false;
int syntaxLength = i - syntaxStartIndex;
parsingSyntax = false;
if (syntaxLength > 0)
string syntax = sbSyntax.ToString();
if (!string.IsNullOrEmpty(syntax))
{
string syntax = text.Substring(syntaxStartIndex, syntaxLength);
string syntaxResult = ParseSyntax(syntax);
if (!string.IsNullOrEmpty(syntaxResult))
{
result.Append(syntaxResult);
sbResult.Append(syntaxResult);
}
}
}
}
else if (!escape && text[i] == SyntaxEscapeChar)
else if (!escapeNext && text[i] == SyntaxEscapeChar)
{
escape = true;
escapeNext = true;
}
else
{
if (!syntaxStart)
{
result.Append(text[i]);
}
escapeNext = false;
escape = false;
if (!parsingSyntax)
{
sbResult.Append(text[i]);
}
else
{
sbSyntax.Append(text[i]);
}
}
}
return result.ToString();
return sbResult.ToString();
}
private string ParseSyntax(string syntax)