public Highlights (Pattern[] patterns) : base()
{
string[] patternTexts = new string [patterns.Length];
for (int i = 0; i < patterns.Length; i ++)
patternTexts [i] = patterns [i].pattern;
BuildTrie (patternTexts);
BuildFail();
this.patterns = patterns;
}
protected int SpansTo (Pattern pattern, string buffer, int soffset)
{
bool found;
for (int i=soffset; i < buffer.Length - pattern.spanto.Length; i++)
{
found = true;
for (int j=0; j<pattern.spanto.Length; j++)
{
if ( pattern.spanto[j] != buffer[i+j] )
{
found = false;
break;
}
}
if ( found )
{
if ( pattern.signore == null )
return i + pattern.spanto.Length - 1;
if ( pattern.signore[0] == pattern.spanto[0] )
{
int k = i+1;
for (int j=pattern.signore.Length - pattern.spanto.Length; j<pattern.signore.Length; j++)
if ( k >= buffer.Length || buffer[k++] != pattern.signore[j] )
return i + pattern.spanto.Length - 1;
i = k-1;
}
else
{
int k = i;
for (int j=pattern.signore.Length - 1; j>=0; j--)
if ( k < 0 || buffer[k--] != pattern.signore[j] )
return i + pattern.spanto.Length - 1;
}
}
}
return -1;
}
public Token (Pattern pattern, int sidx, int eidx)
{
this.sindex = sidx - pattern.pattern.Length + 1;
this.eindex = eidx + 1;
this.style = pattern.style;
}