// ------------------------ ScanCloseBrace -------------------------
// todo: pass TextTraits to a version of this method. Use recursion for each brace
// char found.
/// <summary>
/// scan for closing brace char that matches the start at open brace char.
/// </summary>
/// <param name="InString"></param>
/// <param name="InBx">scan start position</param>
/// <param name="InEx">end position in string</param>
/// <param name="InQem"></param>
/// <returns></returns>
public static int ScanCloseBrace(
string InString, int InBx, int InEx, QuoteEncapsulation InQem)
{
char openBraceChar = InString[InBx];
char closeBraceChar = AcCommon.CalcCloseBraceChar(openBraceChar);
int Ix = InBx, Fx = 0;
int ParenLevel = 1;
if (InEx >= InString.Length)
{
throw new ApplicationException("ScanCloseBrace end pos exceeds string length");
}
while (true)
{
++Ix;
if (Ix > InEx)
{
Ix = -1;
break;
}
char ch1 = InString[Ix];
if (ch1 == openBraceChar)
{
++ParenLevel;
}
else if (ch1 == closeBraceChar)
{
--ParenLevel;
if (ParenLevel == 0)
{
break;
}
}
else if (IsOpenQuoteChar(ch1) == true)
{
Fx = ScanCloseQuote(InString, Ix, InQem);
Ix = Fx;
}
}
return(Ix);
}
// ------------------------ ScanCloseParen -------------------------
public int ScanCloseParen(int InBx)
{
char OpenParenChar = mCmds[InBx];
char CloseParenChar = AcCommon.CalcCloseBraceChar(mCmds[InBx]);
int Ix = InBx, Fx = 0;
int Lx = mCmds.Length;
int ParenLevel = 1;
while (true)
{
++Ix;
if (Ix >= Lx)
{
throw(new TextScanException(
"ScanCloseParen", "Close paren not found."));
}
char ch1 = mCmds[Ix];
if (ch1 == OpenParenChar)
{
++ParenLevel;
}
else if (ch1 == CloseParenChar)
{
--ParenLevel;
if (ParenLevel == 0)
{
break;
}
}
else if (IsOpenParenChar(Ix) == true)
{
Fx = ScanCloseParen(Ix);
Ix = Fx;
}
else if (IsOpenQuoteChar(Ix) == true)
{
Fx = ScanCloseQuote(Ix);
Ix = Fx;
}
}
return(Ix);
}
// ------------------------ ScanCloseBrace -------------------------
// todo: pass TextTraits to a version of this method. Use recursion for each brace
// char found.
public static int ScanCloseBrace(
string InString, int InBx, QuoteEncapsulation InQem)
{
char openBraceChar = InString[InBx];
char closeBraceChar = AcCommon.CalcCloseBraceChar(openBraceChar);
int Ix = InBx, Fx = 0;
int Lx = InString.Length;
int ParenLevel = 1;
while (true)
{
++Ix;
if (Ix >= Lx)
{
throw(new TextException(
"ScanCloseBrace", "Close brace not found."));
}
char ch1 = InString[Ix];
if (ch1 == openBraceChar)
{
++ParenLevel;
}
else if (ch1 == closeBraceChar)
{
--ParenLevel;
if (ParenLevel == 0)
{
break;
}
}
else if (IsOpenQuoteChar(ch1) == true)
{
Fx = ScanCloseQuote(InString, Ix, InQem);
Ix = Fx;
}
}
return(Ix);
}