public bool advance2(Block preblock, Block curblock)
{
tok = TokenType.TXT;
if (Src.Length == 0 && curblock.isLineHeadCmt == 1)
{
curblock.elem = preblock.elem;
isNextLine = true;
}
if (Src.Length == 0 && curblock.scisLineHeadCmt == 1)
{
curblock.id = preblock.id;
scisNextLine = true;
}
int c = reader.read();
if (c == -1)
{
tok = TokenType.EOS;
return(false);
}
switch (c)
{
case ' ':
case 0x3000:
case '\t':
default:
//TODO test
if (curblock.isLineHeadCmt == 0) // && preblock.elem == curblock.elem) {
{
if (curblock.scisLineHeadCmt == 0)
{
if (paruleStartKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in scanRuleDic)
{
if (item.Key[0] == fc)
{
var len = item.Value.start.Length;
if (Offset - 1 + len <= Src.Length)
{
var text = Src.Substring(Offset - 1, len);
if (text.ToString() == item.Key)
{
//reader.unread();
//lexSymbol(curblock);
tok = TokenType.PartitionStart;
if (curblock != null)
{
curblock.id = item.Value.id;
scisNextLine = true;
}
reader.setoffset(Offset + text.Length);
return(true);
break;
}
}
}
}
}
}
else
{
if (Offset - 1 == 0)
{
while (c != -1)
{
if (paruleStartKeys.Contains((char)c))
{
StringBuilder buf = new StringBuilder();
while (c != -1)
{
buf.Append((char)c);
if (scanEndRuleDic.ContainsKey(buf.ToString()))
{
if (preblock.id == scanEndRuleDic[buf.ToString()].id)
{
var Eenelem = scanEndRuleDic[buf.ToString()];
tok = TokenType.PartitionEnd;
//resultRule = Eenelem;
curblock.id = Eenelem.id;
scisNextLine = false;
reader.setoffset(Offset + buf.ToString().Length);
return(true);
goto Finish;
}
}
c = reader.read();
}
}
c = reader.read();
}
Finish:
if (c == -1)
{
//var enelem = ruleDic[preblock.elem.start];
//reader.setoffset(Src.Length);
//enelem.startIndex = 0;
//enelem.len = Src.Length;
tok = TokenType.Partition;
//resultRule = enelem;
curblock.id = preblock.id;
scisNextLine = true;
}
reader.setoffset(0);
c = reader.read();
//return true;
//break;
}
else if (paruleStartKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in scanRuleDic)
{
if (item.Key[0] == fc)
{
var len = item.Value.start.Length;
if (Offset - 1 + len <= Src.Length)
{
var text = Src.Substring(Offset - 1, len);
if (text.ToString() == item.Key)
{
//reader.unread();
//lexSymbol(curblock);
tok = TokenType.PartitionStart;
if (curblock != null)
{
curblock.id = item.Key;
scisNextLine = true;
}
//return true;
break;
}
}
}
}
}
}
}
if (curblock.isLineHeadCmt == 0) //0: 行頭がブロックコメントの内部ではない
{
if (Char.IsDigit((char)c))
{
reader.unread();
lexDigit();
}
else if (Util.isIdentifierPart((char)c))
{
reader.unread();
lexKeyWord();
}
else if (ruleFirstKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in ruleDic)
{
if (item.Key[0] == fc)
{
var len = item.Value.start.Length;
if (Offset - 1 + len <= Src.Length)
{
var text = Src.Substring(Offset - 1, len);
if (text.ToString() == item.Key)
{
reader.unread();
lexSymbol(curblock);
break;
}
}
}
}
}
else
{
tok = TokenType.TXT;
}
}
else //1: 行頭がブロックコメントの内部
{
if (Offset - 1 == 0) // && preblock.elem != null) {
{
while (c != -1)
{
if (ruleEndKeys.Contains((char)c))
{
StringBuilder buf = new StringBuilder();
while (c != -1)
{
buf.Append((char)c);
if (preblock.elem.end == buf.ToString())
{
if (multiruleDic.ContainsKey(buf.ToString()))
{
var Eenelem = multiruleDic[buf.ToString()];
Eenelem.startIndex = 0;
Eenelem.len = (Offset - Eenelem.startIndex);
tok = Eenelem.token;
resultRule = Eenelem;
curblock.elem = Eenelem;
isNextLine = false;
goto Finish;
}
}
c = reader.read();
}
}
c = reader.read();
}
Finish:
if (c == -1 && preblock.elem != null && ruleDic.ContainsKey(preblock.elem.start))
{
var enelem = ruleDic[preblock.elem.start];
reader.setoffset(Src.Length);
enelem.startIndex = 0;
enelem.len = Src.Length;
tok = enelem.token;
resultRule = enelem;
curblock.elem = preblock.elem;
isNextLine = true;
}
}
else
{
if (Char.IsDigit((char)c))
{
reader.unread();
lexDigit();
}
else if (Util.isIdentifierPart((char)c))
{
reader.unread();
lexKeyWord();
}
else if (ruleFirstKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in ruleDic)
{
if (item.Key[0] == fc)
{
var len = item.Value.start.Length;
if (Offset - 1 + len <= Src.Length)
{
var text = Src.Substring(Offset - 1, len);
if (text.ToString() == item.Key)
{
reader.unread();
lexSymbol(curblock);
break;
}
}
}
}
}
else
{
tok = TokenType.TXT;
}
}
}
break;
}
return(true);
}
