function highlight(&$code)
{
$ch = '';
$next_ch = '';
$l=strlen($code);
$out='';
$i=0;
while ($i < $l)
{
if ($this->state==S_NONE)
{
$ch = $code{$i};
if ($i+1 < $l)
$next_ch = $code{$i+1};
else
$next_ch = '';
if ($ch=="'")
{
$this->state=S_COMMENT1;
$out=$ch.$next_ch;
$i++;
$i++;
}
else if (is_identifier_open($ch) or ($ch=='#'))
{
$this->state=S_KEYWORD;
$out=$ch;
$i++;
}
else if ($ch=='"')
{
$this->state=S_STRING;
$out=$ch;
$i++;
}
else
{
$out=$ch;
}
$this->open_state=$this->state;
$this->close_state=S_NONE;
}
if ($this->state!=S_NONE)
{
switch ($this->state)
{
case S_COMMENT1:
$j=strpos($code,"\n",$i);
if ($j===false)
$j=$l-1;
else
$this->close_state=$this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
case S_KEYWORD:
{
$this->process_std_identifier($i, $l, $code, $this->keywords, $out, false);
break;
}
case S_STRING:
{
$j=$i;
while ($j < $l)
{
if ($code{$j}=='"')
break;
$j++;
}
$this->close_state=$this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
}
}
}
$this->text_out($out);
$i++;
}
}
function highlight(&$code)
{
$ch = '';
$next_ch = '';
$l=strlen($code);
$out='';
$i=0;
while ($i < $l)
{
if ($this->state==S_NONE)
{
$ch = $code{$i};
if ($i+1 < $l)
$next_ch = $code{$i+1};
else
$next_ch = '';
if ($ch=='-' and $next_ch=='-')
{
$this->state=S_COMMENT1;
$out = $ch.$next_ch;
$i++;
$i++;
}
else if ($ch=='/' and $next_ch=='*')
{
$this->state=S_COMMENT2;
$out=$ch.$next_ch;
$i++;
$i++;
}
else if (is_identifier_open($ch))
{
$this->state=S_KEYWORD;
$out=$ch;
$i++;
}
else if ($ch=='\'')
{
$this->state=S_STRING;
$out=$ch;
$i++;
}
else
{
$out=$ch;
}
$this->open_state=$this->state;
$this->close_state=S_NONE;
}
if ($this->state!=S_NONE)
{
switch ($this->state)
{
case S_COMMENT1:
$j=strpos($code,"\n",$i);
if ($j===false)
$j=$l-1;
else
$this->close_state=$this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
case S_COMMENT2:
$j=strpos($code,'*/',$i);
if ($j===false)
$j = $l - 1;
else
$this->close_state=$this->state;
$out.=substr($code, $i, $j + 1 - $i + 1);
$i=$j + 1;
break;
case S_KEYWORD:
{
$j= $i;
while ($j < $l)
{
if (!is_identifier($code{$j}))
break;
$j++;
}
$this->close_state=$this->state;//close if string breaked
$out.=substr($code, $i, $j - $i);
$i=$j - 1;
if (!$this->keywords->found($out))
{
$this->state=S_NONE;
$this->open_state=S_NONE;
$this->close_state=S_NONE;
}
break;
}
case S_STRING:
{
$j = $i;
while ($j < $l)
{
if ($code{$j}=='\'')
{
$this->close_state=$this->state;
break;
}
$j++;
}
$out.=substr($code, $i, $j - $i + 1);
$i = $j;
break;
}
}
}
$this->text_out($out);
$i++;
}
}
function highlight(&$code)
{
$ch = '';
$next_ch = '';
$l=strlen($code);
$out='';
$i=0;
while ($i < $l)
{
if ($this->state==S_NONE)
{
$ch = $code{$i};
if ($i+1 < $l)
$next_ch = $code{$i+1};
else
$next_ch = '';
if ($ch=='/' and $next_ch=='/')
{
$this->state=S_COMMENT1;
$out=$ch.$next_ch;
$i++;
$i++;
}
else if ($ch=='/' and $next_ch=='*')
{
$this->state=S_COMMENT2;
$out=$ch.$next_ch;
$i++;
$i++;
}
else if (is_identifier_open($ch))
{
$this->state = S_KEYWORD;
$out = $ch;
$i++;
}
else if ($ch=='#')
{
$this->state = S_DIRECTIVE;
$out = $ch;
$i++;
}
else if ($ch=='\'')
{
$this->state=S_STRING;
$out=$ch;
$i++;
}
else if ($ch=='"')
{
$this->state=S_STRING2;
$out=$ch;
$i++;
}
else
{
$out=$ch;
}
$this->open_state=$this->state;
$this->close_state = S_NONE;
}
if ($this->state != S_NONE)
{
switch ($this->state)
{
case S_COMMENT1:
$j=strpos($code,"\n",$i);
if ($j===false)
$j=$l-1;
else
$this->close_state=$this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
case S_COMMENT2:
$j=strpos($code,'*/',$i);
if ($j===false)
$j = $l - 1;
else
$this->close_state=$this->state;
$out.=substr($code, $i, $j + 1 - $i + 1);
$i=$j + 1;
break;
case S_KEYWORD:
{
$this->process_std_identifier($i, $l, $code, $this->keywords, $out);
break;
}
case S_DIRECTIVE:
{
$this->process_std_identifier($i, $l, $code, $this->directives, $out);
break;
}
case S_STRING:
{
$j=$i;
while ($j < $l)
{
if ($code{$j}=="\\")
$j++;
else if ($code{$j} == "\n") //break if eol
break;
else if ($code{$j} == '\'')
break;
$j++;
}
$this->close_state = $this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
}
case S_STRING2:
{
$j = $i;
while ($j < $l)
{
if ($code{$j}=="\\" and !(($j + 1 < $l) and $code{$j} == "\n"))//escape but not multiline
$j++;
else if ($code{$j} == "\n") //break if eol
break;
else if ($code{$j}=='"')
break;
$j++;
}
$this->close_state=$this->state;
$out.=substr($code, $i, $j - $i + 1);
$i=$j;
break;
}
}
}
$this->text_out($out);
$i++;
}
}