private static bool HighlightInvalid(SprPart pPart, List <SprStyle> lStyles,
Stack <SprPart> sToDo, SprContext ctx)
{
bool bAT = ((ctx != null) && ctx.EncodeAsAutoTypeSequence);
if (!bAT)
{
return(false);
}
string str = pPart.Text;
int p = str.IndexOf('}');
if (p >= 0)
{
Debug.Assert(str.IndexOf('{') < 0); // Must be called after regular
sToDo.Push(pPart.GetPart(p + 1));
SetStyle(lStyles, pPart, 0, p + 1, SprStyleError);
return(true);
}
return(false);
}
private static List <SprStyle> GetHighlight(string str, SprContext ctx)
{
if (str == null)
{
Debug.Assert(false); return(new List <SprStyle>());
}
List <SprStyle> l = new List <SprStyle>(str.Length + 1); // 1 for sentinel
for (int i = 0; i < str.Length; ++i)
{
l.Add(null);
}
Stack <SprPart> sToDo = new Stack <SprPart>();
sToDo.Push(new SprPart(str, 0));
while (sToDo.Count > 0)
{
SprPart p = sToDo.Pop();
Debug.Assert(p.Start >= 0);
Debug.Assert((p.Start + p.Text.Length) <= l.Count);
Debug.Assert(str.Substring(p.Start, p.Text.Length) == p.Text);
HighlightPart(p, l, sToDo, ctx);
}
return(l);
}
private static void HighlightPart(SprPart p, List <SprStyle> lStyles,
Stack <SprPart> sToDo, SprContext ctx)
{
if (p.Text.Length == 0)
{
return;
}
if (HighlightDynSepPlh(p, lStyles, sToDo))
{
return;
}
if (HighlightRegularPlh(p, lStyles, sToDo, ctx))
{
return;
}
HighlightInvalid(p, lStyles, sToDo, ctx);
}
public SprPart GetPart(int iOffset, int nLength)
{
if (iOffset < 0)
{
throw new ArgumentOutOfRangeException("iOffset");
}
if (nLength < 0)
{
throw new ArgumentOutOfRangeException("nLength");
}
if ((iOffset + nLength) > m_str.Length)
{
throw new ArgumentException();
}
SprPart pSub = new SprPart(m_str.Substring(iOffset, nLength),
m_iStart + iOffset);
return(pSub);
}
private static void SetStyle(List <SprStyle> l, SprPart p,
int iPartOffset, int nLength, SprStyle s)
{
int px = p.Start + iPartOffset;
if (px < 0)
{
Debug.Assert(false); return;
}
if (nLength < 0)
{
Debug.Assert(false); return;
}
if ((px + nLength) > l.Count)
{
Debug.Assert(false); return;
}
for (int i = 0; i < nLength; ++i)
{
Debug.Assert(l[px + i] == null);
l[px + i] = s;
}
}
private static bool HighlightRegularPlh(SprPart pPart, List <SprStyle> lStyles,
Stack <SprPart> sToDo, SprContext ctx)
{
string str = pPart.Text;
int iStart = str.IndexOf('{');
if (iStart < 0)
{
return(false);
}
if ((iStart + 2) >= str.Length)
{
SetStyle(lStyles, pPart, iStart, str.Length - iStart, SprStyleError);
}
else
{
int iOpen = str.IndexOf('{', iStart + 2);
int iClose = str.IndexOf('}', iStart + 2);
bool bAT = ((ctx != null) && ctx.EncodeAsAutoTypeSequence);
if (iClose < 0)
{
SetStyle(lStyles, pPart, iStart, str.Length - iStart, SprStyleError);
}
else if ((iOpen >= 0) && (iOpen < iClose))
{
sToDo.Push(pPart.GetPart(iOpen));
SetStyle(lStyles, pPart, iStart, iOpen - iStart, SprStyleError);
}
else if (bAT && ((str[iStart + 1] == '{') || (str[iStart + 1] == '}')) &&
(iClose != (iStart + 2)))
{
sToDo.Push(pPart.GetPart(iClose + 1));
SetStyle(lStyles, pPart, iStart, iClose - iStart + 1, SprStyleError);
}
else
{
sToDo.Push(pPart.GetPart(iClose + 1));
int iErrLvl = 0;
string strPlh = str.Substring(iStart + 1, iClose - iStart - 1);
if (strPlh.Length == 0)
{
Debug.Assert(false); iErrLvl = 2;
}
else if (char.IsWhiteSpace(strPlh[0]))
{
iErrLvl = 2;
}
else if (strPlh.StartsWith("S:", StrUtil.CaseIgnoreCmp) &&
(ctx != null) && (ctx.Entry != null))
{
string strField = strPlh.Substring(2);
List <string> lFields = PwDefs.GetStandardFields();
lFields.AddRange(ctx.Entry.Strings.GetKeys());
bool bFound = false;
foreach (string strAvail in lFields)
{
if (strField.Equals(strAvail, StrUtil.CaseIgnoreCmp))
{
bFound = true;
break;
}
}
if (!bFound)
{
iErrLvl = 1;
}
}
SprStyle s = SprStyleOK;
if (iErrLvl == 1)
{
s = SprStyleWarning;
}
else if (iErrLvl > 1)
{
s = SprStyleError;
}
SetStyle(lStyles, pPart, iStart, iClose - iStart + 1, s);
}
}
if (iStart > 0)
{
sToDo.Push(pPart.GetPart(0, iStart));
}
return(true);
}
private static bool HighlightDynSepPlh(SprPart pPart, List <SprStyle> lStyles,
Stack <SprPart> sToDo)
{
string str = pPart.Text;
int iStart = -1, p = -1;
foreach (string strPlh in m_vDynSepPlh)
{
iStart = str.IndexOf(strPlh, StrUtil.CaseIgnoreCmp);
if (iStart >= 0)
{
p = iStart + strPlh.Length;
break;
}
}
if (iStart < 0)
{
return(false);
}
try
{
if (p >= str.Length)
{
throw new FormatException();
}
char chSep = str[p];
while (true)
{
if ((p + 1) >= str.Length)
{
throw new FormatException();
}
if (str[p + 1] == '}')
{
break;
}
int q = str.IndexOf(chSep, p + 1);
if (q < 0)
{
throw new FormatException();
}
p = q;
}
Debug.Assert(str[p + 1] == '}');
if ((p + 2) < str.Length)
{
sToDo.Push(pPart.GetPart(p + 2));
}
SetStyle(lStyles, pPart, iStart, (p + 1) - iStart + 1, SprStyleRaw);
}
catch (Exception)
{
SetStyle(lStyles, pPart, iStart, str.Length - iStart, SprStyleError);
}
if (iStart > 0)
{
sToDo.Push(pPart.GetPart(0, iStart));
}
return(true);
}