//Helpers
internal static void Dispose()
{
//Reset the info.
//Since this is a static class, (to make it simpler to access from anywhere in your code)
//we need to reset this info every time a test is run - so if you don't select an alias
//the next time it doesn't use the previous alias setting - i.e.: ProviderInfo doesn't
//get called when no alias is selected...
s_strCommandLine = null;
s_hashOptions = null;
}
public static MyDict <string, string> ParseKeywords(string str, Tokens tokens)
{
PARSE state = PARSE.Initial;
int index = 0;
int keyStart = 0;
MyDict <string, string> keywords = new MyDict <string, string>();
string key = null;
if (str != null)
{
StringBuilder builder = new StringBuilder(str.Length);
for (; index < str.Length; index++)
{
char ch = str[index];
switch (state)
{
case PARSE.Initial:
if (char.IsLetterOrDigit(ch))
{
keyStart = index;
state = PARSE.Keyword;
}
break;
case PARSE.Keyword:
if (tokens.Equal.IndexOf(ch) >= 0)
{
//Note: We have a case-insensitive hashtable so we don't have to lowercase
key = str.Substring(keyStart, index - keyStart).Trim();
state = PARSE.Equal;
}
break;
case PARSE.Equal:
if (char.IsWhiteSpace(ch))
{
break;
}
builder.Length = 0;
//Note: Since we allow you to alter the tokens, these are not
//constant values, so we cannot use a switch statement...
if (tokens.SingleQuote.IndexOf(ch) >= 0)
{
state = PARSE.SingleBegin;
}
else if (tokens.DoubleQuote.IndexOf(ch) >= 0)
{
state = PARSE.DoubleBegin;
}
else if (tokens.Separator.IndexOf(ch) >= 0)
{
keywords[key] = string.Empty;
state = PARSE.Initial;
}
else
{
state = PARSE.Value;
builder.Append(ch);
}
break;
case PARSE.Value:
if (tokens.Separator.IndexOf(ch) >= 0)
{
keywords[key] = (builder.ToString()).Trim();
state = PARSE.Initial;
}
else
{
builder.Append(ch);
}
break;
case PARSE.SingleBegin:
if (tokens.SingleQuote.IndexOf(ch) >= 0)
{
state = PARSE.SingleEnd;
}
else
{
builder.Append(ch);
}
break;
case PARSE.DoubleBegin:
if (tokens.DoubleQuote.IndexOf(ch) >= 0)
{
state = PARSE.DoubleEnd;
}
else
{
builder.Append(ch);
}
break;
case PARSE.SingleEnd:
if (tokens.SingleQuote.IndexOf(ch) >= 0)
{
state = PARSE.SingleBegin;
builder.Append(ch);
}
else
{
keywords[key] = builder.ToString();
state = PARSE.End;
goto case PARSE.End;
}
break;
case PARSE.DoubleEnd:
if (tokens.DoubleQuote.IndexOf(ch) >= 0)
{
state = PARSE.DoubleBegin;
builder.Append(ch);
}
else
{
keywords[key] = builder.ToString();
state = PARSE.End;
goto case PARSE.End;
}
break;
case PARSE.End:
if (tokens.Separator.IndexOf(ch) >= 0)
{
state = PARSE.Initial;
}
break;
default:
Common.Assert(false, "Unhandled State " + Common.ToString(state));
break;
}
}
switch (state)
{
case PARSE.Initial:
case PARSE.Keyword:
case PARSE.End:
break;
case PARSE.Equal:
keywords[key] = string.Empty;
break;
case PARSE.Value:
keywords[key] = (builder.ToString()).Trim();
break;
case PARSE.SingleBegin:
case PARSE.DoubleBegin:
case PARSE.SingleEnd:
case PARSE.DoubleEnd:
keywords[key] = builder.ToString();
break;
default:
Common.Assert(false, "Unhandled State " + Common.ToString(state));
break;
}
}
return(keywords);
}
