//往关键字树中添加关键字
private void AddPrimaryKey(string sPKeyName, Color cColor)
{
PKeyCharElement cTempPKeyCharElement = aPKeyTreeHeadList;
int i = 0;
for (; i < sPKeyName.Length - 1; i++)
{
int iIndex = cTempPKeyCharElement.AddCharElement(new PKeyCharElement(sPKeyName[i], Color.Black));
cTempPKeyCharElement = (PKeyCharElement)cTempPKeyCharElement.aPKeyTreeList[iIndex];
}
cTempPKeyCharElement.AddCharElement(new PKeyCharElement(sPKeyName[i], cColor));
if (!sPKeyName.StartsWith("<"))
{
sPKeyName = sPKeyName.ToLower();
cTempPKeyCharElement = aPKeyTreeHeadList;
i = 0;
for (; i < sPKeyName.Length - 1; i++)
{
int iIndex = cTempPKeyCharElement.AddCharElement(new PKeyCharElement(sPKeyName[i], Color.Black));
cTempPKeyCharElement = (PKeyCharElement)cTempPKeyCharElement.aPKeyTreeList[iIndex];
}
cTempPKeyCharElement.AddCharElement(new PKeyCharElement(sPKeyName[i], cColor));
}
}
public int AddCharElement(PKeyCharElement cPKeyCharElement)
{
int iIndex = NOTINSERT;
for (int i = 0; i < aPKeyTreeList.Count; i++)
{
if (cPKeyCharElement.chKeyChar == ((PKeyCharElement)aPKeyTreeList[i]).chKeyChar)
{
iIndex = i;
if (cPKeyCharElement.cFontColor != Color.Black)
{
((PKeyCharElement)aPKeyTreeList[i]).cFontColor = cPKeyCharElement.cFontColor;
}
break;
}
else if (cPKeyCharElement.chKeyChar < ((PKeyCharElement)aPKeyTreeList[i]).chKeyChar)
{
aPKeyTreeList.Insert(i, cPKeyCharElement);
iIndex = i;
break;
}
}
if (iIndex == NOTINSERT) //没有被插入到树，那么就加进去
{
aPKeyTreeList.Add(cPKeyCharElement);
iIndex = aPKeyTreeList.Count - 1;
}
return(iIndex);
}
bool bCommentStartForLastLine; //表示上一行分析的结果是否包含注释的开始
public AnlyseSyntax()
{
aPKeyTreeHeadList = new PKeyCharElement('a', Color.Black);
SortListSeparator(); //排序分隔字符
SortNotStartChar();
CreateColorString();
AddXmlKey();
AddSqlKey();
}
//分析读入的一行，并生成相应格式的RTF文本串
private void AnyslseSynataxForAnLine(string sLineText)
{
sLineText = sLineText.Replace("\\", "\\\\");
sLineText = sLineText.Replace("{", "\\{");
sLineText = sLineText.Replace("}", "\\}");
int iTextLen = sLineText.Length;
int iTempStart = 0; //重新开始分析的位置
int iTempLen = 0; //分析字符的长度
int iFindListSptorIndex = NOTFOUND; //分隔符号索引
int iTempIndex = NOTFOUND; //当前字符在语法树中当前节点子节点的索引
bool bCommentStart = false; //代表当前起始位置是注释的开始
Color cColor = Color.Black;
PKeyCharElement aTempTreeList = aPKeyTreeHeadList; //当前语法树节点
int i = 0;
iTempStart = i;
if (bCommentStartForLastLine)
{
int iCommentEndIndex = FindCommentEnd(sLineText, iTempStart);
cColor = COMMENTCOLOR;
i = iCommentEndIndex;
iTempLen = i - iTempStart;
AppendToSRtf(sLineText.Substring(iTempStart, iTempLen), cColor);
}
iTempStart = i;
while (iTempStart < iTextLen)
{
iTempLen = i - iTempStart;
AppendToSRtf(sLineText.Substring(iTempStart, iTempLen), cColor);
iTempStart = i;
if (iTempStart >= iTextLen)
{
break;
}
cColor = Color.Black;
i = FindStartCharIndex(sLineText, i);
iTempLen = i - iTempStart;
AppendToSRtf(sLineText.Substring(iTempStart, iTempLen), cColor);
iTempStart = i;
if (iTempStart >= iTextLen)
{
break;
}
//判断开始处是不是以注释关键字开始的
bCommentStart = IsCommentStart(sLineText, iTempStart);
if (bCommentStart)
{
int iCommentEndIndex = FindCommentEnd(sLineText, iTempStart);
cColor = COMMENTCOLOR;
i = iCommentEndIndex;
continue;
}
aTempTreeList = aPKeyTreeHeadList;
iTempIndex = aTempTreeList.IndexOfArray(sLineText[i]);
while (iTempIndex != NOTFOUND)
{
i++;
if (i >= iTextLen)
{
aTempTreeList = (PKeyCharElement)aTempTreeList.aPKeyTreeList[iTempIndex];
break;
}
aTempTreeList = (PKeyCharElement)aTempTreeList.aPKeyTreeList[iTempIndex];
iTempIndex = aTempTreeList.IndexOfArray(sLineText[i]);
}
if (i >= iTextLen)
{
iFindListSptorIndex = NOTFOUND - 1;
}
else
{
iFindListSptorIndex = FindListSeparatorIndex(sLineText[i]);
if (iFindListSptorIndex == MORETHANCHARINDEX)
{
cColor = ERRORKEYCOLOR;
iFindListSptorIndex = NOTFOUND;
}
}
if (iFindListSptorIndex == NOTFOUND)
{
if (aTempTreeList.chKeyChar == '>')
{
cColor = aTempTreeList.cFontColor;
continue;
}
else //查找下一个分隔符所在的位置
{
i++;
if (i >= iTextLen)
{
i = iTextLen;
continue;
}
iFindListSptorIndex = FindListSeparatorIndex(sLineText[i]);
while (iFindListSptorIndex == NOTFOUND)
{
i++;
if (i >= iTextLen)
{
i = iTextLen;
break;
}
iFindListSptorIndex = FindListSeparatorIndex(sLineText[i]);
}
if (iFindListSptorIndex == MORETHANCHARINDEX)
{
cColor = ERRORKEYCOLOR;
i++;
}
else
{
cColor = Color.Black;
}
continue;
}
}
else
{
cColor = aTempTreeList.cFontColor;
continue;
}
}
}