/**
* Implements {@link aCssParserPlugin::parse()}.
*
* @param integer $index Current index
* @param string $char Current char
* @param string $previousChar Previous char
* @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing
*/
public function parse($index, $char, $previousChar, $state)
{
// Start of @font-face at-rule block
if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@font-face")
{
$this->parser->pushState("T_AT_FONT_FACE::PREPARE");
$this->parser->clearBuffer();
return $index + 10;
}
// Start of @font-face declarations
elseif ($char === "{" && $state === "T_AT_FONT_FACE::PREPARE")
{
$this->parser->setState("T_AT_FONT_FACE");
$this->parser->clearBuffer();
$this->parser->appendToken(new FD31_CssAtFontFaceStartToken());
}
// Start of @font-face declaration
elseif ($char === ":" && $state === "T_AT_FONT_FACE")
{
$this->parser->pushState("T_AT_FONT_FACE_DECLARATION");
$this->buffer = $this->parser->getAndClearBuffer(":", true);
}
// Unterminated @font-face declaration
elseif ($char === ":" && $state === "T_AT_FONT_FACE_DECLARATION")
{
// Ignore Internet Explorer filter declarations
if ($this->buffer === "filter")
{
return false;
}
FD31_CssMin::triggerError(new FD31_CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated @font-face declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"));
}
// End of @font-face declaration
elseif (($char === ";" || $char === "}") && $state === "T_AT_FONT_FACE_DECLARATION")
{
$value = $this->parser->getAndClearBuffer(";}");
if (strtolower(substr($value, -10, 10)) === "!important")
{
$value = trim(substr($value, 0, -10));
$isImportant = true;
}
else
{
$isImportant = false;
}
$this->parser->popState();
$this->parser->appendToken(new FD31_CssAtFontFaceDeclarationToken($this->buffer, $value, $isImportant));
$this->buffer = "";
// --
if ($char === "}")
{
$this->parser->appendToken(new FD31_CssAtFontFaceEndToken());
$this->parser->popState();
}
}
// End of @font-face at-rule block
elseif ($char === "}" && $state === "T_AT_FONT_FACE")
{
$this->parser->appendToken(new FD31_CssAtFontFaceEndToken());
$this->parser->clearBuffer();
$this->parser->popState();
}
else
{
return false;
}
return true;
}
public function minifyCSS($contents)
{
return FD31_CssMin::minify($contents);
}
