public static function check(Parser $parser)
{
$line = $parser->consumeLine();
if (preg_match("/^( |\t){0,3}\\*( |\t)*\\*( |\t)*\\*( |\t|\\*)*\$/", $line) || preg_match("/^( |\t){0,3}-( |\t)*-( |\t)*-( |\t|\\-)*\$/", $line) || preg_match("/^( |\t){0,3}_( |\t)*_( |\t)*_( |\t|_)*\$/", $line)) {
return new RuleBlock($parser, $line);
}
return null;
}
public static function check(Parser $parser)
{
$line = $parser->consumeLine();
if (preg_match("/^( ){0,3}#{1,6}( |\$)/", $line)) {
return new ATXHeaderBlock($parser, $line);
}
return null;
}
public function testLines()
{
$parser = new Parser("Test\nTest");
$this->assertEquals(count($parser->getLines()), 2);
$parser = new Parser("Test\r\nTest");
$this->assertEquals(count($parser->getLines()), 2);
$parser = new Parser("Test\nTest\r\nTest");
$this->assertEquals(count($parser->getLines()), 3);
}
public static function check(Parser $parser)
{
$title = $parser->consumeLine();
$underline = $parser->consumeLine();
if (preg_match("/^( {4}| *\$)/", $title)) {
return null;
}
if (preg_match("/^ {0,3}(-+|=+) *\$/", $underline)) {
return new SetextHeaderBlock($parser, $title, $underline);
}
return null;
}
public static function check(Parser $parser)
{
$lines = [];
try {
$line = $parser->peakAhead();
while (preg_match("/^( {4}| *\$)/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
if ($lines) {
return new IndentedCodeBlock($parser, $lines);
}
return null;
}
public static function check(Parser $parser)
{
$lines = [];
$line = $parser->consumeLine();
if (!preg_match("/^( *)(`{3,}|~{3,})([^`]*)\$/", $line, $matches)) {
return null;
}
$separators = $matches[2];
$infoString = $matches[3];
$indent = strlen($matches[1]);
$endregex = "/^ {0,3}" . $separators[0] . "{" . strlen($separators) . ",} *\$/";
try {
$line = $parser->consumeLine();
while (!preg_match($endregex, $line)) {
$lines[] = $line;
$line = $parser->consumeLine();
}
} catch (\OutOfRangeException $ignored) {
}
return new FencedCodeBlock($parser, $lines, $infoString, $indent);
}
public static function check(Parser $parser)
{
$line = $parser->peakAhead();
//Type 1 HTML Block : Code
if (preg_match("/^ {0,3}<(script|pre|style)( |>|\$)/i", $line, $matches)) {
$lines = [];
$tag = $matches[0];
try {
while (!preg_match("/<\\/{$tag}>/i", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
try {
$parser->consumeLine();
$lines[] = $line;
} catch (\OutOfRangeException $ignored) {
}
return new HTMLBlock($parser, $lines);
}
//Type 2 HTML Block : comment
if (preg_match("/^ {0,3}<!--/", $line)) {
$lines = [];
try {
while (!preg_match("/-->/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
$parser->consumeLine();
$lines[] = $line;
return new HTMLBlock($parser, $lines);
}
//Type 3 HTML Block : instructions
if (preg_match("/^ {0,3}<\\?/", $line)) {
$lines = [];
try {
while (!preg_match("/\\?>/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
$parser->consumeLine();
$lines[] = $line;
return new HTMLBlock($parser, $lines);
}
//Type 4 HTML Block
if (preg_match("/^ {0,3}<![A-Z]/", $line)) {
$lines = [];
try {
while (!preg_match("/>/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
$parser->consumeLine();
$lines[] = $line;
return new HTMLBlock($parser, $lines);
}
//Type 5 HTML Block : CDATA
if (preg_match("/^ {0,3}<!\\[CDATA\\[/", $line)) {
$lines = [];
try {
while (!preg_match("/\\]\\]>/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
$parser->consumeLine();
$lines[] = $line;
return new HTMLBlock($parser, $lines);
}
//Type 6 HTML Block : garbage
$tags = ["address", "article", "aside", "base", "basefont", "blockquote", "body", "caption", "center", "col", "colgroup", "dd", "details", "dialog", "dir", "div", "dl", "dt", "fieldset", "figcaption", "figure", "footer", "form", "frame", "frameset", "h1", "head", "header", "hr", "html", "iframe", "legend", "li", "link", "main", "menu", "menuitem", "meta", "nav", "noframes", "ol", "optgroup", "option", "p", "param", "section", "source", "summary", "table", "tbody", "td", "tfoot", "th", "thead", "title", "tr", "track", "ul"];
if (preg_match("/^ {0,3}<\\/?(" . implode("|", $tags) . ")( |\$|\\/?>)/i", $line)) {
$lines = [];
try {
while (!preg_match("/^ *\$/", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
try {
$parser->consumeLine();
} catch (\OutOfRangeException $ignored) {
}
return new HTMLBlock($parser, $lines);
}
//Type 7 HTML Block : Any tag
//Hell's regex, I broke it down in several parts for it to be readable a bit.
$tagname = "[A-z][A-z0-9-]*";
$attrib_name = "[A-z_:][A-z0-9_\\.:-]*";
$attrib_value = "[^\"'=<>` ]+";
$single_quoted_attrib_value = "'[^']*'";
$double_quoted_attrib_value = "\"[^\"]*\"";
$attributes = " +{$attrib_name}( *= *({$attrib_value}|{$single_quoted_attrib_value}|{$double_quoted_attrib_value}))?";
$opening_tag = "<({$tagname})({$attributes})* *\\/?>";
$closing_tag = "<\\/{$tagname} *>";
if (preg_match("/^ {0,3}({$opening_tag}|{$closing_tag})/i", $line, $matches)) {
$lines = [];
try {
while (!preg_match("/^ *\$/i", $line)) {
$parser->consumeLine();
$lines[] = $line;
$line = $parser->peakAhead();
}
} catch (\OutOfRangeException $ignored) {
}
try {
$parser->consumeLine();
$lines[] = $line;
} catch (\OutOfRangeException $ignored) {
}
return new HTMLBlock($parser, $lines);
}
return null;
}
