public void SetRange(int start, int end)
{
this.start = start;
this.end = end;
reader.setoffset(start);
}
public bool advance(Block preblock, Block curblock)
{
tok = TokenType.TXT;
if (Src.Length == 0 && curblock.isLineHeadCmt == 1)
{
curblock.mRule = preblock.mRule;
isNextLine = true;
}
if (Src.Length == 0 && curblock.isLineHeadPart == 1)
{
curblock.PartID = preblock.PartID;
scisNextLine = true;
}
int c = reader.read();
if (c == -1)
{
tok = TokenType.EOS;
return(false);
}
switch (c)
{
case ' ':
case 0x3000:
case '\t':
break;
default:
//TODO test
if (curblock.isLineHeadCmt == 0)
{
if (curblock.isLineHeadPart == 0)
{
if (paruleStartKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in partRuleDic)
{
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)
{
tok = TokenType.PartitionStart;
if (curblock != null)
{
curblock.PartID = item.Value.id;
scisNextLine = true;
}
reader.setoffset(Offset + text.Length);
return(true);
}
}
}
}
}
}
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 (partRuleEndDic.ContainsKey(buf.ToString()))
{
if (preblock.PartID == partRuleEndDic[buf.ToString()].id)
{
var Eenelem = partRuleEndDic[buf.ToString()];
tok = TokenType.PartitionEnd;
curblock.PartID = Eenelem.id;
scisNextLine = false;
reader.setoffset(Offset + buf.ToString().Length);
return(true);
}
}
c = reader.read();
}
}
c = reader.read();
}
//Finish:
if (c == -1)
{
tok = TokenType.Partition;
curblock.PartID = preblock.PartID;
scisNextLine = true;
}
reader.setoffset(0);
c = reader.read();
}
else if (paruleStartKeys.Contains((char)c))
{
char fc = (char)c;
foreach (var item in partRuleDic)
{
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)
{
tok = TokenType.PartitionStart;
if (curblock != null)
{
curblock.PartID = item.Key;
scisNextLine = true;
}
reader.setoffset(Offset + text.Length);
//break;
return(true);
}
}
}
}
}
}
}
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();
break;
}
else if (Util.isIdentifierPart((char)c))
{
reader.unread();
lexKeyWord();
break;
}
else
{
reader.unread();
lexSymbol(curblock);
break;
}
}
else //1: 行頭がブロックコメントの内部
{
if (Offset - 1 == 0)
{
reader.unread();
StringBuilder buf = new StringBuilder();
while (true)
{
c = reader.read();
if (c == -1)
{
break;
}
buf.Append((char)c);
string s = buf.ToString();
string end = preblock.mRule.end;
if (s.EndsWith(end))
{
if (multiRuleEndDic.ContainsKey(end))
{
var rule = multiRuleEndDic[end];
if (rule.Detected(end, reader))
{
curblock.mRule = rule;
//isNextLine = false;
tok = rule.token;
int len = rule.getLen(end, reader);
reader.setoffset(len);
OffsetLenAttr = new Tuple <int, int, Attribute>(0, len, rule.attr);
//break;
return(true);
}
}
}
}
if (c == -1 && preblock.mRule != null && multiRuleDic.ContainsKey(preblock.mRule.start))
{
var enelem = multiRuleDic[preblock.mRule.start];
curblock.mRule = preblock.mRule;
tok = TokenType.MultiLineStart;
OffsetLenAttr = new Tuple <int, int, Attribute>(0, Src.Length, enelem.attr);
reader.setoffset(Src.Length);
}
break;
}
else
{
if (Char.IsDigit((char)c))
{
reader.unread();
lexDigit();
}
else if (Util.isIdentifierPart((char)c))
{
reader.unread();
lexKeyWord();
}
else
{
reader.unread();
lexSymbol(curblock);
}
}
}
break;
}
return(true);
}