Fenzland / Htsl.php

libs/Embedment/PhpEmbedment.php

Indentation +12 added lines, -12 removed lines

@@ -9,17 +9,17 @@
 
 class PhpEmbedment extends AEmbedment
 {
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    public function parseLine(Line $line):parent
-    {
-        $this->content .= $line->content;
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	public function parseLine(Line $line):parent
+	{
+		$this->content .= $line->content;
 
-        return $this;
-    }
+		return $this;
+	}
 }

libs/Embedment/CodeEmbedment.php

Indentation +15 added lines, -15 removed lines

@@ -9,23 +9,23 @@
 
 class CodeEmbedment extends AEmbedment
 {
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    public function parseLine(Line $line):parent
-    {
-        $content = '<code>'.htmlentities($line->fullContent).'</code>';
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	public function parseLine(Line $line):parent
+	{
+		$content = '<code>'.htmlentities($line->fullContent).'</code>';
 
-        $indentation = $this->document->indentation;
+		$indentation = $this->document->indentation;
 
-        false !== $indentation and $content = str_repeat($indentation, $this->document->indentLevel).$content."\n";
+		false !== $indentation and $content = str_repeat($indentation, $this->document->indentLevel).$content."\n";
 
-        $this->content .= $content;
+		$this->content .= $content;
 
-        return $this;
-    }
+		return $this;
+	}
 }

libs/Embedment/Contracts/AEmbedment.php

Indentation +51 added lines, -51 removed lines

@@ -9,55 +9,55 @@
 
 abstract class AEmbedment
 {
-    /**
-     * Embed content.
-     *
-     * @var string
-     */
-    protected $content = '';
-
-    /**
-     * The main document which this embedment embedding into.
-     *
-     * @var [type]
-     */
-    protected $document;
-
-    /**
-     * Constructor.
-     *
-     * @param \Htsl\Parser\Document $document
-     */
-    final public function __construct(Document $document)
-    {
-        $this->document = $document;
-
-        $this->construct();
-    }
-
-    /**
-     * Getting content.
-     *
-     * @return string
-     */
-    final public function getContent():string
-    {
-        return $this->content;
-    }
-
-    /**
-     * Real constructor to be rewrite.
-     */
-    protected function construct()
-    {
-    }
-
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    abstract public function parseLine(Line $line):self;
+	/**
+	 * Embed content.
+	 *
+	 * @var string
+	 */
+	protected $content = '';
+
+	/**
+	 * The main document which this embedment embedding into.
+	 *
+	 * @var [type]
+	 */
+	protected $document;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param \Htsl\Parser\Document $document
+	 */
+	final public function __construct(Document $document)
+	{
+		$this->document = $document;
+
+		$this->construct();
+	}
+
+	/**
+	 * Getting content.
+	 *
+	 * @return string
+	 */
+	final public function getContent():string
+	{
+		return $this->content;
+	}
+
+	/**
+	 * Real constructor to be rewrite.
+	 */
+	protected function construct()
+	{
+	}
+
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	abstract public function parseLine(Line $line):self;
 }

libs/Embedment/JsEmbedment.php

Indentation +19 added lines, -19 removed lines

@@ -9,25 +9,25 @@
 
 class JsEmbedment extends AEmbedment
 {
-    /**
-     * Real constructor.
-     */
-    protected function construct()
-    {
-        $this->content .= "\n";
-    }
+	/**
+	 * Real constructor.
+	 */
+	protected function construct()
+	{
+		$this->content .= "\n";
+	}
 
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    public function parseLine(Line $line):parent
-    {
-        $this->content .= $line->fullContent."\n";
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	public function parseLine(Line $line):parent
+	{
+		$this->content .= $line->fullContent."\n";
 
-        return $this;
-    }
+		return $this;
+	}
 }

libs/Embedment/TextEmbedment.php

Indentation +12 added lines, -12 removed lines

@@ -9,17 +9,17 @@
 
 class TextEmbedment extends AEmbedment
 {
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    public function parseLine(Line $line):parent
-    {
-        $this->content .= $line->fullContent."\n";
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	public function parseLine(Line $line):parent
+	{
+		$this->content .= $line->fullContent."\n";
 
-        return $this;
-    }
+		return $this;
+	}
 }

libs/Embedment/CssEmbedment.php

Indentation +12 added lines, -12 removed lines

@@ -9,17 +9,17 @@
 
 class CssEmbedment extends AEmbedment
 {
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Embedment\Contracts
-     */
-    public function parseLine(Line $line):parent
-    {
-        $this->content .= $line->content;
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Embedment\Contracts
+	 */
+	public function parseLine(Line $line):parent
+	{
+		$this->content .= $line->content;
 
-        return $this;
-    }
+		return $this;
+	}
 }

libs/Parser/HtslParsingException.php

Indentation +1 added lines, -1 removed lines

@@ -8,5 +8,5 @@
 
 class HtslParsingException extends Exception
 {
-    //
+	//
 }

libs/Parser/Document.php

Indentation +867 added lines, -867 removed lines

@@ -19,871 +19,871 @@
 
 class Document implements IConfigProvider
 {
-    use TGetter;
-
-    /**
-     * Htsl main object owns this document.
-     *
-     * @var \Htsl\Htsl
-     */
-    private $htsl;
-
-    /**
-     * Parent document.
-     *
-     * @var \Htsl\Parser\Document
-     */
-    private $parent;
-
-    /**
-     * Reading buffer of this document.
-     *
-     * @var \Htsl\ReadingBuffer\Contracts\ABuffer
-     */
-    private $buffer;
-
-    /**
-     * The indentation and whether output with linefeed and indent.
-     *
-     * @var string | bool
-     */
-    private $indentation;
-
-    /**
-     * Type of this document.
-     *
-     * @var string
-     */
-    private $docType;
-
-    /**
-     * Current embead script.
-     *
-     * @var \Htsl\Embedment\Contract\Embedment
-     */
-    private $embedment;
-
-    /**
-     * Current indent level.
-     *
-     * @var int
-     */
-    private $level = 0;
-
-    /**
-     * Section indent level.
-     *
-     * @var int
-     */
-    private $sectionLevel = 0;
-
-    /**
-     * Opened nodes.
-     *
-     * @var [ Htsl\Parser\Node\Contracts\ANode, ]
-     */
-    private $openedNodes = [];
-
-    /**
-     * Current scopes.
-     *
-     * @var [ Htsl\Parser\Node\Contracts\ANode, ]
-     */
-    private $scopes = [];
-
-    /**
-     * Current line number.
-     *
-     * @var int
-     */
-    private $lineNumber = 0;
-
-    /**
-     * Current line.
-     *
-     * @var \Htsl\ReadingBuffer\Line
-     */
-    private $currentLine;
-
-    /**
-     * Sections that can be show.
-     *
-     * @var [ Htsl\Parser\Section, ]
-     */
-    private $sections = [];
-
-    /**
-     * Whether the document is executed.
-     *
-     * @var bool
-     */
-    private $isExecuted;
-
-    /**
-     * Current Section.
-     *
-     * @var \Htsl\Parser\Section
-     */
-    private $currentSection;
-
-    /**
-     * The content of this document.
-     *
-     * @var string
-     */
-    private $content;
-
-    /**
-     * Constructor of the Document.
-     *
-     * @param \Htsl\Htsl                            $htsl
-     * @param \Htsl\ReadingBuffer\Contracts\ABuffer $buffer
-     * @param \Htsl\Parser\Document | null          $parent
-     */
-    public function __construct(Htsl $htsl, Buffer $buffer, self $parent = null)
-    {
-        $this->htsl = $htsl;
-        $this->buffer = $buffer;
-
-        if ($parent) {
-            $this->parent = $parent;
-            $this->docType = $parent->docType;
-            $this->indentation = $parent->indentation;
-        } else {
-            $this->parseFirstLine();
-        }
-    }
-
-    /**
-     * Executing the document.
-     *
-     * @return \Htsl\Parser\Document
-     */
-    public function execute():self
-    {
-        if ($this->isExecuted) {
-            return $this;
-        }
-
-        return $this->lineByLine()
-                    ->bubbleSections();
-    }
-
-    /**
-     * Alias of getContent.
-     *
-     * @return sting
-     */
-    public function __toString():string
-    {
-        return $this->getContent();
-    }
-
-    /**
-     * Getting the result of document executing.
-     *
-     * @return string
-     */
-    protected function getContent():string
-    {
-        if ($this->parent) {
-            return $this->execute()->parent->getContent();
-        } else {
-            return $this->execute()->content;
-        }
-    }
-
-    /**
-     * Getting the next line.
-     *
-     * @return \Htsl\ReadingBuffer\Line
-     */
-    protected function getLine():Line
-    {
-        do {
-            $line = $this->buffer->getLine();
-        } while ($line->isEmpty() && $line->hasMore());
-
-        return $line;
-    }
-
-    /**
-     * Getting the config of type of this document.
-     *
-     * @param  [ string, ] ...$keys
-     *
-     * @return mixed
-     */
-    public function getConfig(string ...$keys)
-    {
-        return $this->htsl->getConfig(array_shift($keys), $this->docType, ...$keys);
-    }
-
-    /**
-     * Getting the type of this document.
-     *
-     * @return string
-     */
-    public function getDoctype():string
-    {
-        return $this->docType;
-    }
-
-    /**
-     * Getting the indentation.
-     *
-     * @return string | bool
-     */
-    public function getIndentation()
-    {
-        return $this->indentation;
-    }
-
-    /**
-     * Getting the indent level.
-     *
-     * @return int
-     */
-    public function getIndentLevel():int
-    {
-        return $this->level;
-    }
-
-    /**
-     * Parsing the first line.
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseFirstLine():self
-    {
-        $line = $this->getLine();
-
-        if ('@' === $line->getChar(0)) {
-            return $this->setExtending($line);
-        }
-
-        $this->docType = $line->content;
-        $docTypeContent = $this->getConfig('doc_types') or $this->throw("DocType $this->docType is not supported");
-
-        $this->indentation = $this->htsl->getConfig('indentation', $this->docType) ?? (function ($scalarOrFalse) {
-            return is_scalar($scalarOrFalse) ? $scalarOrFalse : false;
-        })($this->htsl->getConfig('indentation'));
-
-        $this->appendLine($docTypeContent);
-
-        return $this;
-    }
-
-    /**
-     * Setting that this document extends another document.
-     *
-     * @param \Htsl\ReadingBuffer\Line $firstLine
-     */
-    protected function setExtending(Line $firstLine):self
-    {
-        switch ($name = $firstLine->pregGet('/(?<=^@)[\w-:]+/')) {
-            default:{
-                $this->throw("The @$name is not supported.");
-            }break;
-            case 'extend':{
-                $this->extend($firstLine->pregGet('/(?<=\( ).*(?= \))/'));
-            }break;
-            case 'show':
-            case 'include':
-            case 'section':{
-                $this->throw("The @$name can not be used on first line.");
-            }break;
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing this document line by line.
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function lineByLine():self
-    {
-        while (($line = $this->getLine())->hasMore()) {
-            $this->lineNumber += 1;
-
-            if ($this->embedment) {
-                $this->embeddingParse($line);
-            } else {
-                $this->parseLine($line);
-            }
-        }
-
-        $this->embedment and $this->breakEmbedding();
-
-        $this->closeNodes($this->level);
-
-        $this->isExecuted = true;
-
-        return $this;
-    }
-
-    /**
-     * Parsing embedded line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function embeddingParse(Line $line):self
-    {
-        if ($line->content === '<}') {
-            $this->breakEmbedding();
-        } else {
-            $this->embedment->parseLine($line->getSubIndentLine());
-        }
-
-        return $this;
-    }
-
-    /**
-     * Starting the embedding.
-     *
-     * @param string $embedType
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function startEmbedding(string $embedType):self
-    {
-        $embedmentClass = '\\Htsl\\Embedment\\'.ucfirst($embedType).'Embedment';
-        class_exists($embedmentClass) or $this->throw("Embed type $embedType not exists.");
-
-        $this->embedment = new $embedmentClass($this);
-
-        return $this;
-    }
-
-    /**
-     * Ending the embedding.
-     *
-     * @return \Htsl\Parser\Document
-     */
-    public function breakEmbedding():self
-    {
-        $this->append($this->embedment->getContent());
-        $this->embedment = null;
-
-        return $this;
-    }
-
-    /**
-     * Parsing line.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseLine(Line $line):self
-    {
-        $this->currentLine = $line;
-        $this->setLevel($line->getIndentLevel());
-
-        switch ($line->getChar(0)) {
-            default:{
-                $this->parseStringLine($line);
-            }break;
-            case '`':{
-                if ('=' === $line->getChar(1)) {
-                    $this->parseExpressionHtmlLine($line);
-                } else {
-                    $this->parseHtmlLine($line);
-                }
-            }break;
-            case '=':{
-                $this->parseExpressionLine($line);
-            }break;
-            case '!':{
-                $this->parseCommentLine($line);
-            }break;
-            case '-':{
-                $this->parseTagLine($line);
-            }break;
-            case '~':{
-                $this->parseControlLine($line);
-            }break;
-            case '@':{
-                $this->parseDocControlLine($line);
-            }break;
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as HTML content.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseHtmlLine(Line $line):self
-    {
-        $node = new StringNode($this, $line);
-
-        $this->openNode($node);
-
-        $this->appendLine($line->slice(1));
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as string content.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseStringLine(Line $line):self
-    {
-        $node = new StringNode($this, $line);
-
-        $this->openNode($node);
-
-        $this->appendLine($this->htmlEntities(trim($line->getContent())));
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as PHP expression.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseExpressionLine(Line $line):self
-    {
-        $node = new StringNode($this, $line);
-
-        $this->openNode($node);
-
-        $content = $line->slice(1);
-        $ent_flag = $this->htsl->getConfig('ENT_flags', $this->docType);
-
-        $this->appendLine("<?=htmlentities($content,'$ent_flag','UTF-8',false);?>");
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as PHP expression with HTML result.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseExpressionHtmlLine(Line $line):self
-    {
-        $node = new StringNode($this, $line);
-
-        $this->openNode($node);
-
-        $content = $line->slice(1);
-
-        $this->appendLine("<?$content?>");
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as comment.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseCommentLine(Line $line):self
-    {
-        $node = new CommentNode($this, $line);
-
-        $this->openNode($node);
-
-        $this->appendLine($node->open());
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as HTSL tag.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseTagLine(Line $line):self
-    {
-        $tag = new TagNode($this, $line);
-
-        $this->appendLine($tag->open());
-
-        $tag->embed and $this->startEmbedding($tag->embed);
-
-        $this->openNode($tag);
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as control node of Htsl.php.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseControlLine(Line $line):self
-    {
-        $controlStructure = new ControlNode($this, $line);
-
-        $this->appendLine($controlStructure->open());
-
-        $this->openNode($controlStructure);
-
-        return $this;
-    }
-
-    /**
-     * Parsing line as document control node of Htsl.php.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function parseDocControlLine(Line $line):self
-    {
-        switch ($name = $line->pregGet('/(?<=^@)[\w-:]+/')) {
-            default:{
-                $this->throw("The @$name is not supported.");
-            }break;
-            case 'extend':{
-                $this->throw('The @extend can only be used on first line.');
-            }break;
-            case 'include':{
-                $this->include($line);
-            }break;
-            case 'section':{
-                $this->defineSection($line);
-            }break;
-            case 'show':{
-                $this->showSection($line);
-            }break;
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing extending defination.
-     *
-     * @param string $fileName
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function extend(string $fileName):self
-    {
-        $this->parent = new static($this->htsl, $this->buffer->goSide($fileName), null, $this->indentation);
-
-        $this->docType = $this->parent->docType;
-        $this->indentation = $this->parent->indentation;
-
-        return $this;
-    }
-
-    /**
-     * Include another document.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function include(Line $line):self
-    {
-        $inclued = (new static($this->htsl, $this->buffer->goSide($line->pregGet('/(?<=\( ).*(?= \))/')), $this, $this->indentation))->execute()->content;
-
-        if (false !== $this->indentation) {
-            $inclued = preg_replace('/(?<=^|\\n)(?!$)/', str_repeat($this->indentation, $this->level - $this->sectionLevel), $inclued);
-        }
-
-        $node = new StringNode($this, $line);
-
-        $this->openNode($node);
-
-        $this->append($inclued);
-
-        return $this;
-    }
-
-    /**
-     * Starting to define a section.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function defineSection(Line $line):self
-    {
-        $node = new SectionNode($this, $line);
-
-        $node->open();
-
-        $this->openNode($node);
-
-        return $this;
-    }
-
-    /**
-     * Showing a section.
-     *
-     * @param \Htsl\ReadingBuffer\Line $line
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function showSection(Line $line):self
-    {
-        $sectionName = $line->pregGet('/(?<=\( ).*(?= \))/');
-
-        if (!isset($this->sections[$sectionName])) {
-            $this->openNode(new StringNode($this, $line));
-
-            return $this;
-        }
-        $content = $this->sections[$sectionName]->content;
-
-        if (false !== $this->indentation) {
-            $content = preg_replace('/(?<=^|\\n)(?!$)/', str_repeat($this->indentation, $this->level), $content);
-        }
-
-        $this->append($content);
-
-        $node = new NamelessSectionNode($this, $line);
-
-        $node->open();
-
-        $this->openNode($node);
-
-        return $this;
-    }
-
-    /**
-     * Setting document as section definer.
-     *
-     * @param Section | null $section
-     */
-    public function setSection(Section $section = null):self
-    {
-        if (!$section) {
-            $this->sectionLevel = 0;
-            $this->currentSection = null;
-
-            return $this;
-        }
-
-        if ($this->currentSection) {
-            $this->throw('Nesting definition of section is forbidden.');
-        }
-
-        if (isset($this->parent->sections[$section->name])) {
-            $this->throw("Section $sectionName already defined.");
-        }
-
-        $this->currentSection = $section;
-
-        if ($section->name) {
-            $this->parent->sections[$section->name] = $section;
-        }
-
-        $this->sectionLevel = $this->level + 1;
-
-        return $this;
-    }
-
-    /**
-     * Bubble the sections to parent document.
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function bubbleSections():self
-    {
-        if ($this->parent) {
-            foreach ($this->sections as $name => $section) {
-                if (!isset($this->parent->sections[$name])) {
-                    $this->parent->sections[$name] = $section;
-                }
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * Escaping characters to HTML entities.
-     *
-     * @param string $input
-     *
-     * @return string
-     */
-    public function htmlEntities(string $input):string
-    {
-        return htmlentities($input, $this->htsl->getConfig('ENT_flags', $this->docType), 'UTF-8', false);
-    }
-
-    /**
-     * Setting indent level of this document.
-     *
-     * @param int $level
-     */
-    protected function setLevel(int $level):self
-    {
-        $level -= $this->level;
-
-        if ($level <= 0) {
-            $this->closeNodes(-$level);
-        } elseif ($level == 1) {
-            $this->level += 1;
-        } else {
-            $this->throw('Indent error.');
-        }
-
-        return $this;
-    }
-
-    /**
-     * Opening a node.
-     *
-     * @param \Htsl\Parser\Node\Contracts\ANode $node
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function openNode(Node $node):self
-    {
-        array_push($this->openedNodes, $node);
-
-        $node->scope and $this->setScope($node);
-
-        return $this;
-    }
-
-    /**
-     * Closing open node or nodes.
-     *
-     * @param int $level
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function closeNodes(int $level = 0):self
-    {
-        if (empty($this->openedNodes)) {
-            return $this;
-        }
-
-        while ($level-- >= 0) {
-            $node = array_pop($this->openedNodes);
-
-            $node->scope and $this->removeScope($node);
-
-            $closer = $node->close($this->currentLine) and $this->appendLine($closer);
-
-            $this->level -= $level >= 0 ? 1 : 0;
-        }
-
-        return $this;
-    }
-
-    /**
-     * Pushing a scope to stack.
-     *
-     * @param \Htsl\Parser\Node\Contracts\ANode $scope
-     */
-    protected function setScope(Node $scope):int
-    {
-        return array_unshift($this->scopes, $scope);
-    }
-
-    /**
-     * Getting current scope on top of stack.
-     *
-     * @return \Htsl\Parser\Node\Contracts\ANode | null
-     */
-    public function getScope()
-    {
-        return $this->scopes[0] ?? null;
-    }
-
-    /**
-     * Pop a scope from stack.
-     *
-     * @param \Htsl\Parser\Node\Contracts\ANode $scope
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function removeScope(Node $scope):self
-    {
-        if ($scope !== array_shift($this->scopes)) {
-            $this->throw('Scope nesting error');
-        }
-
-        return $this;
-    }
-
-    /**
-     * Appending a line of content to parsing result.
-     *
-     * @param string $content
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function appendLine(string $content):self
-    {
-        if (false !== $this->indentation) {
-            $content = str_repeat($this->indentation, $this->level - $this->sectionLevel).$content."\n";
-        }
-
-        return $this->append($content);
-    }
-
-    /**
-     * Appending some content to parsing result.
-     *
-     * @param string $content
-     *
-     * @return \Htsl\Parser\Document
-     */
-    protected function append(string $content):self
-    {
-        if ($this->currentSection) {
-            $this->currentSection->append($content);
-        } else {
-            $this->content .= $content;
-        }
-
-        return $this;
-    }
-
-    /**
-     * Getting the Htsl main object.
-     *
-     * @return \Htsl\Htsl
-     */
-    public function getHtsl()
-    {
-        return $this->htsl;
-    }
-
-    /**
-     * Throw exception with document name and line number.
-     *
-     * @param string $message
-     *
-     * @throw \Htsl\Parser\HtslParsingException
-     */
-    public function throw(string $message)
-    {
-        throw new HtslParsingException("$message at file {$this->buffer->fileName} line $this->lineNumber");
-    }
+	use TGetter;
+
+	/**
+	 * Htsl main object owns this document.
+	 *
+	 * @var \Htsl\Htsl
+	 */
+	private $htsl;
+
+	/**
+	 * Parent document.
+	 *
+	 * @var \Htsl\Parser\Document
+	 */
+	private $parent;
+
+	/**
+	 * Reading buffer of this document.
+	 *
+	 * @var \Htsl\ReadingBuffer\Contracts\ABuffer
+	 */
+	private $buffer;
+
+	/**
+	 * The indentation and whether output with linefeed and indent.
+	 *
+	 * @var string | bool
+	 */
+	private $indentation;
+
+	/**
+	 * Type of this document.
+	 *
+	 * @var string
+	 */
+	private $docType;
+
+	/**
+	 * Current embead script.
+	 *
+	 * @var \Htsl\Embedment\Contract\Embedment
+	 */
+	private $embedment;
+
+	/**
+	 * Current indent level.
+	 *
+	 * @var int
+	 */
+	private $level = 0;
+
+	/**
+	 * Section indent level.
+	 *
+	 * @var int
+	 */
+	private $sectionLevel = 0;
+
+	/**
+	 * Opened nodes.
+	 *
+	 * @var [ Htsl\Parser\Node\Contracts\ANode, ]
+	 */
+	private $openedNodes = [];
+
+	/**
+	 * Current scopes.
+	 *
+	 * @var [ Htsl\Parser\Node\Contracts\ANode, ]
+	 */
+	private $scopes = [];
+
+	/**
+	 * Current line number.
+	 *
+	 * @var int
+	 */
+	private $lineNumber = 0;
+
+	/**
+	 * Current line.
+	 *
+	 * @var \Htsl\ReadingBuffer\Line
+	 */
+	private $currentLine;
+
+	/**
+	 * Sections that can be show.
+	 *
+	 * @var [ Htsl\Parser\Section, ]
+	 */
+	private $sections = [];
+
+	/**
+	 * Whether the document is executed.
+	 *
+	 * @var bool
+	 */
+	private $isExecuted;
+
+	/**
+	 * Current Section.
+	 *
+	 * @var \Htsl\Parser\Section
+	 */
+	private $currentSection;
+
+	/**
+	 * The content of this document.
+	 *
+	 * @var string
+	 */
+	private $content;
+
+	/**
+	 * Constructor of the Document.
+	 *
+	 * @param \Htsl\Htsl                            $htsl
+	 * @param \Htsl\ReadingBuffer\Contracts\ABuffer $buffer
+	 * @param \Htsl\Parser\Document | null          $parent
+	 */
+	public function __construct(Htsl $htsl, Buffer $buffer, self $parent = null)
+	{
+		$this->htsl = $htsl;
+		$this->buffer = $buffer;
+
+		if ($parent) {
+			$this->parent = $parent;
+			$this->docType = $parent->docType;
+			$this->indentation = $parent->indentation;
+		} else {
+			$this->parseFirstLine();
+		}
+	}
+
+	/**
+	 * Executing the document.
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	public function execute():self
+	{
+		if ($this->isExecuted) {
+			return $this;
+		}
+
+		return $this->lineByLine()
+					->bubbleSections();
+	}
+
+	/**
+	 * Alias of getContent.
+	 *
+	 * @return sting
+	 */
+	public function __toString():string
+	{
+		return $this->getContent();
+	}
+
+	/**
+	 * Getting the result of document executing.
+	 *
+	 * @return string
+	 */
+	protected function getContent():string
+	{
+		if ($this->parent) {
+			return $this->execute()->parent->getContent();
+		} else {
+			return $this->execute()->content;
+		}
+	}
+
+	/**
+	 * Getting the next line.
+	 *
+	 * @return \Htsl\ReadingBuffer\Line
+	 */
+	protected function getLine():Line
+	{
+		do {
+			$line = $this->buffer->getLine();
+		} while ($line->isEmpty() && $line->hasMore());
+
+		return $line;
+	}
+
+	/**
+	 * Getting the config of type of this document.
+	 *
+	 * @param  [ string, ] ...$keys
+	 *
+	 * @return mixed
+	 */
+	public function getConfig(string ...$keys)
+	{
+		return $this->htsl->getConfig(array_shift($keys), $this->docType, ...$keys);
+	}
+
+	/**
+	 * Getting the type of this document.
+	 *
+	 * @return string
+	 */
+	public function getDoctype():string
+	{
+		return $this->docType;
+	}
+
+	/**
+	 * Getting the indentation.
+	 *
+	 * @return string | bool
+	 */
+	public function getIndentation()
+	{
+		return $this->indentation;
+	}
+
+	/**
+	 * Getting the indent level.
+	 *
+	 * @return int
+	 */
+	public function getIndentLevel():int
+	{
+		return $this->level;
+	}
+
+	/**
+	 * Parsing the first line.
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseFirstLine():self
+	{
+		$line = $this->getLine();
+
+		if ('@' === $line->getChar(0)) {
+			return $this->setExtending($line);
+		}
+
+		$this->docType = $line->content;
+		$docTypeContent = $this->getConfig('doc_types') or $this->throw("DocType $this->docType is not supported");
+
+		$this->indentation = $this->htsl->getConfig('indentation', $this->docType) ?? (function ($scalarOrFalse) {
+			return is_scalar($scalarOrFalse) ? $scalarOrFalse : false;
+		})($this->htsl->getConfig('indentation'));
+
+		$this->appendLine($docTypeContent);
+
+		return $this;
+	}
+
+	/**
+	 * Setting that this document extends another document.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $firstLine
+	 */
+	protected function setExtending(Line $firstLine):self
+	{
+		switch ($name = $firstLine->pregGet('/(?<=^@)[\w-:]+/')) {
+			default:{
+				$this->throw("The @$name is not supported.");
+			}break;
+			case 'extend':{
+				$this->extend($firstLine->pregGet('/(?<=\( ).*(?= \))/'));
+			}break;
+			case 'show':
+			case 'include':
+			case 'section':{
+				$this->throw("The @$name can not be used on first line.");
+			}break;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing this document line by line.
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function lineByLine():self
+	{
+		while (($line = $this->getLine())->hasMore()) {
+			$this->lineNumber += 1;
+
+			if ($this->embedment) {
+				$this->embeddingParse($line);
+			} else {
+				$this->parseLine($line);
+			}
+		}
+
+		$this->embedment and $this->breakEmbedding();
+
+		$this->closeNodes($this->level);
+
+		$this->isExecuted = true;
+
+		return $this;
+	}
+
+	/**
+	 * Parsing embedded line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function embeddingParse(Line $line):self
+	{
+		if ($line->content === '<}') {
+			$this->breakEmbedding();
+		} else {
+			$this->embedment->parseLine($line->getSubIndentLine());
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Starting the embedding.
+	 *
+	 * @param string $embedType
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function startEmbedding(string $embedType):self
+	{
+		$embedmentClass = '\\Htsl\\Embedment\\'.ucfirst($embedType).'Embedment';
+		class_exists($embedmentClass) or $this->throw("Embed type $embedType not exists.");
+
+		$this->embedment = new $embedmentClass($this);
+
+		return $this;
+	}
+
+	/**
+	 * Ending the embedding.
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	public function breakEmbedding():self
+	{
+		$this->append($this->embedment->getContent());
+		$this->embedment = null;
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseLine(Line $line):self
+	{
+		$this->currentLine = $line;
+		$this->setLevel($line->getIndentLevel());
+
+		switch ($line->getChar(0)) {
+			default:{
+				$this->parseStringLine($line);
+			}break;
+			case '`':{
+				if ('=' === $line->getChar(1)) {
+					$this->parseExpressionHtmlLine($line);
+				} else {
+					$this->parseHtmlLine($line);
+				}
+			}break;
+			case '=':{
+				$this->parseExpressionLine($line);
+			}break;
+			case '!':{
+				$this->parseCommentLine($line);
+			}break;
+			case '-':{
+				$this->parseTagLine($line);
+			}break;
+			case '~':{
+				$this->parseControlLine($line);
+			}break;
+			case '@':{
+				$this->parseDocControlLine($line);
+			}break;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as HTML content.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseHtmlLine(Line $line):self
+	{
+		$node = new StringNode($this, $line);
+
+		$this->openNode($node);
+
+		$this->appendLine($line->slice(1));
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as string content.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseStringLine(Line $line):self
+	{
+		$node = new StringNode($this, $line);
+
+		$this->openNode($node);
+
+		$this->appendLine($this->htmlEntities(trim($line->getContent())));
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as PHP expression.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseExpressionLine(Line $line):self
+	{
+		$node = new StringNode($this, $line);
+
+		$this->openNode($node);
+
+		$content = $line->slice(1);
+		$ent_flag = $this->htsl->getConfig('ENT_flags', $this->docType);
+
+		$this->appendLine("<?=htmlentities($content,'$ent_flag','UTF-8',false);?>");
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as PHP expression with HTML result.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseExpressionHtmlLine(Line $line):self
+	{
+		$node = new StringNode($this, $line);
+
+		$this->openNode($node);
+
+		$content = $line->slice(1);
+
+		$this->appendLine("<?$content?>");
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as comment.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseCommentLine(Line $line):self
+	{
+		$node = new CommentNode($this, $line);
+
+		$this->openNode($node);
+
+		$this->appendLine($node->open());
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as HTSL tag.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseTagLine(Line $line):self
+	{
+		$tag = new TagNode($this, $line);
+
+		$this->appendLine($tag->open());
+
+		$tag->embed and $this->startEmbedding($tag->embed);
+
+		$this->openNode($tag);
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as control node of Htsl.php.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseControlLine(Line $line):self
+	{
+		$controlStructure = new ControlNode($this, $line);
+
+		$this->appendLine($controlStructure->open());
+
+		$this->openNode($controlStructure);
+
+		return $this;
+	}
+
+	/**
+	 * Parsing line as document control node of Htsl.php.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function parseDocControlLine(Line $line):self
+	{
+		switch ($name = $line->pregGet('/(?<=^@)[\w-:]+/')) {
+			default:{
+				$this->throw("The @$name is not supported.");
+			}break;
+			case 'extend':{
+				$this->throw('The @extend can only be used on first line.');
+			}break;
+			case 'include':{
+				$this->include($line);
+			}break;
+			case 'section':{
+				$this->defineSection($line);
+			}break;
+			case 'show':{
+				$this->showSection($line);
+			}break;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing extending defination.
+	 *
+	 * @param string $fileName
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function extend(string $fileName):self
+	{
+		$this->parent = new static($this->htsl, $this->buffer->goSide($fileName), null, $this->indentation);
+
+		$this->docType = $this->parent->docType;
+		$this->indentation = $this->parent->indentation;
+
+		return $this;
+	}
+
+	/**
+	 * Include another document.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function include(Line $line):self
+	{
+		$inclued = (new static($this->htsl, $this->buffer->goSide($line->pregGet('/(?<=\( ).*(?= \))/')), $this, $this->indentation))->execute()->content;
+
+		if (false !== $this->indentation) {
+			$inclued = preg_replace('/(?<=^|\\n)(?!$)/', str_repeat($this->indentation, $this->level - $this->sectionLevel), $inclued);
+		}
+
+		$node = new StringNode($this, $line);
+
+		$this->openNode($node);
+
+		$this->append($inclued);
+
+		return $this;
+	}
+
+	/**
+	 * Starting to define a section.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function defineSection(Line $line):self
+	{
+		$node = new SectionNode($this, $line);
+
+		$node->open();
+
+		$this->openNode($node);
+
+		return $this;
+	}
+
+	/**
+	 * Showing a section.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $line
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function showSection(Line $line):self
+	{
+		$sectionName = $line->pregGet('/(?<=\( ).*(?= \))/');
+
+		if (!isset($this->sections[$sectionName])) {
+			$this->openNode(new StringNode($this, $line));
+
+			return $this;
+		}
+		$content = $this->sections[$sectionName]->content;
+
+		if (false !== $this->indentation) {
+			$content = preg_replace('/(?<=^|\\n)(?!$)/', str_repeat($this->indentation, $this->level), $content);
+		}
+
+		$this->append($content);
+
+		$node = new NamelessSectionNode($this, $line);
+
+		$node->open();
+
+		$this->openNode($node);
+
+		return $this;
+	}
+
+	/**
+	 * Setting document as section definer.
+	 *
+	 * @param Section | null $section
+	 */
+	public function setSection(Section $section = null):self
+	{
+		if (!$section) {
+			$this->sectionLevel = 0;
+			$this->currentSection = null;
+
+			return $this;
+		}
+
+		if ($this->currentSection) {
+			$this->throw('Nesting definition of section is forbidden.');
+		}
+
+		if (isset($this->parent->sections[$section->name])) {
+			$this->throw("Section $sectionName already defined.");
+		}
+
+		$this->currentSection = $section;
+
+		if ($section->name) {
+			$this->parent->sections[$section->name] = $section;
+		}
+
+		$this->sectionLevel = $this->level + 1;
+
+		return $this;
+	}
+
+	/**
+	 * Bubble the sections to parent document.
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function bubbleSections():self
+	{
+		if ($this->parent) {
+			foreach ($this->sections as $name => $section) {
+				if (!isset($this->parent->sections[$name])) {
+					$this->parent->sections[$name] = $section;
+				}
+			}
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Escaping characters to HTML entities.
+	 *
+	 * @param string $input
+	 *
+	 * @return string
+	 */
+	public function htmlEntities(string $input):string
+	{
+		return htmlentities($input, $this->htsl->getConfig('ENT_flags', $this->docType), 'UTF-8', false);
+	}
+
+	/**
+	 * Setting indent level of this document.
+	 *
+	 * @param int $level
+	 */
+	protected function setLevel(int $level):self
+	{
+		$level -= $this->level;
+
+		if ($level <= 0) {
+			$this->closeNodes(-$level);
+		} elseif ($level == 1) {
+			$this->level += 1;
+		} else {
+			$this->throw('Indent error.');
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Opening a node.
+	 *
+	 * @param \Htsl\Parser\Node\Contracts\ANode $node
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function openNode(Node $node):self
+	{
+		array_push($this->openedNodes, $node);
+
+		$node->scope and $this->setScope($node);
+
+		return $this;
+	}
+
+	/**
+	 * Closing open node or nodes.
+	 *
+	 * @param int $level
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function closeNodes(int $level = 0):self
+	{
+		if (empty($this->openedNodes)) {
+			return $this;
+		}
+
+		while ($level-- >= 0) {
+			$node = array_pop($this->openedNodes);
+
+			$node->scope and $this->removeScope($node);
+
+			$closer = $node->close($this->currentLine) and $this->appendLine($closer);
+
+			$this->level -= $level >= 0 ? 1 : 0;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Pushing a scope to stack.
+	 *
+	 * @param \Htsl\Parser\Node\Contracts\ANode $scope
+	 */
+	protected function setScope(Node $scope):int
+	{
+		return array_unshift($this->scopes, $scope);
+	}
+
+	/**
+	 * Getting current scope on top of stack.
+	 *
+	 * @return \Htsl\Parser\Node\Contracts\ANode | null
+	 */
+	public function getScope()
+	{
+		return $this->scopes[0] ?? null;
+	}
+
+	/**
+	 * Pop a scope from stack.
+	 *
+	 * @param \Htsl\Parser\Node\Contracts\ANode $scope
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function removeScope(Node $scope):self
+	{
+		if ($scope !== array_shift($this->scopes)) {
+			$this->throw('Scope nesting error');
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Appending a line of content to parsing result.
+	 *
+	 * @param string $content
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function appendLine(string $content):self
+	{
+		if (false !== $this->indentation) {
+			$content = str_repeat($this->indentation, $this->level - $this->sectionLevel).$content."\n";
+		}
+
+		return $this->append($content);
+	}
+
+	/**
+	 * Appending some content to parsing result.
+	 *
+	 * @param string $content
+	 *
+	 * @return \Htsl\Parser\Document
+	 */
+	protected function append(string $content):self
+	{
+		if ($this->currentSection) {
+			$this->currentSection->append($content);
+		} else {
+			$this->content .= $content;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Getting the Htsl main object.
+	 *
+	 * @return \Htsl\Htsl
+	 */
+	public function getHtsl()
+	{
+		return $this->htsl;
+	}
+
+	/**
+	 * Throw exception with document name and line number.
+	 *
+	 * @param string $message
+	 *
+	 * @throw \Htsl\Parser\HtslParsingException
+	 */
+	public function throw(string $message)
+	{
+		throw new HtslParsingException("$message at file {$this->buffer->fileName} line $this->lineNumber");
+	}
 }

libs/Parser/Node/TagNode.php

Indentation +345 added lines, -345 removed lines

@@ -10,352 +10,352 @@
 
 class TagNode extends ANode implements ArrayAccess
 {
-    /**
-     * The html tag name of this node.
-     *
-     * @var string
-     */
-    private $tagName;
-
-    /**
-     * Whether the html tag is empty.
-     *
-     * @var bool
-     */
-    private $isEmpty;
-
-    /**
-     * The attributes of this node.
-     *
-     * @var array
-     */
-    private $attributes = [];
-
-    /**
-     * Real constructor.
-     *
-     * @return \Htsl\Parser\Node\Contracts\ANode
-     */
-    protected function construct():parent
-    {
-        $name = $this->line->pregGet('/(?<=^-)[\w-:]+/');
-        $this->name = $name;
-
-        $this->loadConfig($name, $this->document);
-
-        $this->tagName = $this->config['name'] ?? $name;
-        $this->isEmpty = $this->line->getChar(-1) === '/' || $this->document->getConfig('empty_tags', $this->tagName);
-        isset($this->config['default_attributes']) and array_walk($this->config['default_attributes'], function ($value, $key) {
-            $this->setAttribute($key, $value);
-        });
-
-        return $this;
-    }
-
-    /**
-     * Opening this tag node, and returning node opener.
-     *
-     * @return string
-     */
-    public function open():string
-    {
-        if (isset($this->config['opener'])) {
-            return $this->config['opener'];
-        }
-
-        if (isset($this->config['params'])) {
-            $this->parseParams();
-        }
-
-        if (isset($this->config['name_value'])) {
-            $this->parseNameValue();
-        }
-
-        if (isset($this->config['link'])) {
-            $this->parseLink();
-        }
-
-        if (isset($this->config['target'])) {
-            $this->parseTarget();
-        }
-
-        if (isset($this->config['alt'])) {
-            $this->parseAlt();
-        }
-
-        $this->parseCommonAttributes();
-
-        if (isset($this->config['in_scope']) && isset($this->config['scope_function']) && is_callable($this->config['scope_function'])) {
-            $this->config['scope_function']->call($this, $this->document->scope);
-        }
-
-        $finisher = $this->isEmpty ? ' />' : '>';
-
-        return "<{$this->tagName}{$this->attributesString}{$finisher}";
-    }
-
-    /**
-     * Close this tag node, and returning node closer.
-     *
-     * @param \Htsl\ReadingBuffer\Line $closerLine The line when node closed.
-     *
-     * @return string
-     */
-    public function close(Line $Line):string
-    {
-        return $this->isEmpty ? '' : $this->config['closer'] ?? "</{$this->tagName}>";
-    }
-
-    /**
-     * Getting whether this is embedding node and embeding type.
-     *
-     * @return string
-     */
-    public function getEmbed():string
-    {
-        return $this->config['embedding'] ?? '';
-    }
-
-    /**
-     * Getting whether this node contains a scope and scope name.
-     *
-     * @return string | null
-     */
-    public function getScope()
-    {
-        return $this->config['scope'] ?? null;
-    }
-
-    /**
-     * Parsing node parameters if needed.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseParams():self
-    {
-        $params = preg_split('/(?<!\\\\)\\|/', $this->line->pregGet('/^-[\w-:]+\((.*?)\)(?= |(\\{>)?$)/', 1));
-
-        if (($m = count($params)) != ($n = count($this->config['params']))) {
-            $this->document->throw("Tag $this->name has $n parameters $m given.");
-        }
-
-        array_map(function ($key, $value) {
-            return $this->setAttribute($key, str_replace('\\|', '|', $value));
-        }, $this->config['params'], $params);
-
-        return $this;
-    }
-
-    /**
-     * Parsing <name|value> attributes.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseNameValue():self
-    {
-        $params = $this->line->pregGet('/ <(.*?)>(?= |$)/', 1)
-         and $params = preg_split('/(?<!\\\\)\\|/', $params)
-          and array_map(function ($key, $value) {
-              return isset($key) && isset($value) ? $this->setAttribute($key, $this->checkExpression(str_replace('\\|', '|', $value))) : '';
-          }, $this->config['name_value'], $params);
-
-        return $this;
-    }
-
-    /**
-     * Parsing @links.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseLink():self
-    {
-        $link = $this->line->pregGet('/ @((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
-
-        if (strlen($link)) {
-            if (isset($this->config['target']) && ':' === $link[0]) {
-                $this->setAttribute($this->config['link'], 'javascript'.$link);
-            } elseif ('//' === ($firstTwoLetters = substr($link, 0, 2))) {
-                $this->setAttribute($this->config['link'], 'http:'.$link);
-            } elseif ('\\\\' === $firstTwoLetters) {
-                $this->setAttribute($this->config['link'], 'https://'.substr($link, 2));
-            } else {
-                $this->setAttribute($this->config['link'], $this->checkExpression($link));
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing >target.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseTarget():self
-    {
-        $target = $this->line->pregGet('/ >((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
-
-        if (strlen($target)) {
-            $this->setAttribute($this->config['target'], $this->checkExpression($target));
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing _placeholders.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseAlt():self
-    {
-        $alt = $this->line->pregGet('/ _((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
-
-        if (strlen($alt)) {
-            $this->setAttribute($this->config['alt'], $this->checkExpression($alt));
-        }
-
-        return $this;
-    }
-
-    /**
-     * Parsing #ids .classes ^titles [styles] %event{>listeners<} and {other attributes}.
-     *
-     * @return \Htsl\Parser\Node\TagNode
-     */
-    protected function parseCommonAttributes():string
-    {
-        $attributes = '';
-
-        $id = $this->line->pregGet('/ #([^ ]+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1)
-         and $this->setAttribute('id', $id);
-
-        $classes = $this->line->pregGet('/ \.[^ ]+(?= |$)/')
-         and preg_match_all('/\.((?(?!\()[^.]+|(?<exp>\((?:[^()]+|(?&exp)?)+?\))))/', $classes, $matches)
-          and $classes = implode(' ', array_filter(array_map(function ($className) {
-              return $this->checkExpression($className);
-          }, $matches[1])))
-           and $this->setAttribute('class', $classes);
-
-        $title = $this->line->pregGet('/ \^((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1)
-         and $this->setAttribute('title', $title);
-
-        $style = $this->line->pregGet('/ \[([^\]]+;)(?=\]( |$))/', 1)
-         and $this->setAttribute('style', $style);
-
-        $eventListeners = $this->line->pregMap('/ %(\w+)\{>(.*?)<\}(?= |$)/', function ($string, $name, $code) {
-            $this->setAttribute('on'.$name, str_replace('"', '&quot;', $code));
-        })
-         and implode('', $eventListeners);
-
-        $other = $this->line->pregGet('/(?<=\{).*?(?=;\}( |$))/')
-         and array_map(function ($keyValue) {
-             preg_replace_callback('/^([\w-:]+)(?:\?(.+?))?(?:\=(.*))?$/', function ($matches) {
-                 $this->setAttribute($matches[1], ($matches[3] ?? $matches[1]) ?: $matches[1], $matches[2] ?? null);
-             }, $keyValue);
-         }, explode(';', $other));
-
-        return $attributes;
-    }
-
-    /**
-     * Checking and parse PHP expressions.
-     *
-     * @param string $value
-     *
-     * @return string
-     */
-    protected function checkExpression(string $value):string
-    {
-        return preg_match('/^\(.*\)$/', $value) ? '<?='.substr($value, 1, -1).';?>' : str_replace('"', '&quot;', $value);
-    }
-
-    /**
-     * Getting attribute string with HTML syntax.
-     *
-     * @return string
-     */
-    protected function getAttributesString():string
-    {
-        ksort($this->attributes);
-
-        return implode('', array_map(static function (string $key, array $data) {
-            return isset($data['condition']) && strlen($data['condition']) ?
-                "<?php if( {$data['condition']} ){?> $key=\"{$data['value']}\"<?php }?>"
-                :
-                " $key=\"{$data['value']}\"";
-        }, array_keys($this->attributes), $this->attributes));
-    }
-
-    /**
-     * Setting attribute.
-     *
-     * @param string      $key       Attribute name.
-     * @param string      $value     Attribute value
-     * @param string|null $condition Optional condition, If given, attribute will seted only when condition is true.
-     */
-    protected function setAttribute(string $key, string $value, string $condition = null):self
-    {
-        if (isset($this->attributes[$key])) {
-            $this->document->throw("Attribute $key of $this->name cannot redeclare.");
-        }
-
-        $this->attributes[$key] = [
-            'value'     => $value,
-            'condition' => $condition,
-        ];
-
-        return $this;
-    }
-
-    /*             *\
+	/**
+	 * The html tag name of this node.
+	 *
+	 * @var string
+	 */
+	private $tagName;
+
+	/**
+	 * Whether the html tag is empty.
+	 *
+	 * @var bool
+	 */
+	private $isEmpty;
+
+	/**
+	 * The attributes of this node.
+	 *
+	 * @var array
+	 */
+	private $attributes = [];
+
+	/**
+	 * Real constructor.
+	 *
+	 * @return \Htsl\Parser\Node\Contracts\ANode
+	 */
+	protected function construct():parent
+	{
+		$name = $this->line->pregGet('/(?<=^-)[\w-:]+/');
+		$this->name = $name;
+
+		$this->loadConfig($name, $this->document);
+
+		$this->tagName = $this->config['name'] ?? $name;
+		$this->isEmpty = $this->line->getChar(-1) === '/' || $this->document->getConfig('empty_tags', $this->tagName);
+		isset($this->config['default_attributes']) and array_walk($this->config['default_attributes'], function ($value, $key) {
+			$this->setAttribute($key, $value);
+		});
+
+		return $this;
+	}
+
+	/**
+	 * Opening this tag node, and returning node opener.
+	 *
+	 * @return string
+	 */
+	public function open():string
+	{
+		if (isset($this->config['opener'])) {
+			return $this->config['opener'];
+		}
+
+		if (isset($this->config['params'])) {
+			$this->parseParams();
+		}
+
+		if (isset($this->config['name_value'])) {
+			$this->parseNameValue();
+		}
+
+		if (isset($this->config['link'])) {
+			$this->parseLink();
+		}
+
+		if (isset($this->config['target'])) {
+			$this->parseTarget();
+		}
+
+		if (isset($this->config['alt'])) {
+			$this->parseAlt();
+		}
+
+		$this->parseCommonAttributes();
+
+		if (isset($this->config['in_scope']) && isset($this->config['scope_function']) && is_callable($this->config['scope_function'])) {
+			$this->config['scope_function']->call($this, $this->document->scope);
+		}
+
+		$finisher = $this->isEmpty ? ' />' : '>';
+
+		return "<{$this->tagName}{$this->attributesString}{$finisher}";
+	}
+
+	/**
+	 * Close this tag node, and returning node closer.
+	 *
+	 * @param \Htsl\ReadingBuffer\Line $closerLine The line when node closed.
+	 *
+	 * @return string
+	 */
+	public function close(Line $Line):string
+	{
+		return $this->isEmpty ? '' : $this->config['closer'] ?? "</{$this->tagName}>";
+	}
+
+	/**
+	 * Getting whether this is embedding node and embeding type.
+	 *
+	 * @return string
+	 */
+	public function getEmbed():string
+	{
+		return $this->config['embedding'] ?? '';
+	}
+
+	/**
+	 * Getting whether this node contains a scope and scope name.
+	 *
+	 * @return string | null
+	 */
+	public function getScope()
+	{
+		return $this->config['scope'] ?? null;
+	}
+
+	/**
+	 * Parsing node parameters if needed.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseParams():self
+	{
+		$params = preg_split('/(?<!\\\\)\\|/', $this->line->pregGet('/^-[\w-:]+\((.*?)\)(?= |(\\{>)?$)/', 1));
+
+		if (($m = count($params)) != ($n = count($this->config['params']))) {
+			$this->document->throw("Tag $this->name has $n parameters $m given.");
+		}
+
+		array_map(function ($key, $value) {
+			return $this->setAttribute($key, str_replace('\\|', '|', $value));
+		}, $this->config['params'], $params);
+
+		return $this;
+	}
+
+	/**
+	 * Parsing <name|value> attributes.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseNameValue():self
+	{
+		$params = $this->line->pregGet('/ <(.*?)>(?= |$)/', 1)
+		 and $params = preg_split('/(?<!\\\\)\\|/', $params)
+		  and array_map(function ($key, $value) {
+			  return isset($key) && isset($value) ? $this->setAttribute($key, $this->checkExpression(str_replace('\\|', '|', $value))) : '';
+		  }, $this->config['name_value'], $params);
+
+		return $this;
+	}
+
+	/**
+	 * Parsing @links.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseLink():self
+	{
+		$link = $this->line->pregGet('/ @((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
+
+		if (strlen($link)) {
+			if (isset($this->config['target']) && ':' === $link[0]) {
+				$this->setAttribute($this->config['link'], 'javascript'.$link);
+			} elseif ('//' === ($firstTwoLetters = substr($link, 0, 2))) {
+				$this->setAttribute($this->config['link'], 'http:'.$link);
+			} elseif ('\\\\' === $firstTwoLetters) {
+				$this->setAttribute($this->config['link'], 'https://'.substr($link, 2));
+			} else {
+				$this->setAttribute($this->config['link'], $this->checkExpression($link));
+			}
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing >target.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseTarget():self
+	{
+		$target = $this->line->pregGet('/ >((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
+
+		if (strlen($target)) {
+			$this->setAttribute($this->config['target'], $this->checkExpression($target));
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing _placeholders.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseAlt():self
+	{
+		$alt = $this->line->pregGet('/ _((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1);
+
+		if (strlen($alt)) {
+			$this->setAttribute($this->config['alt'], $this->checkExpression($alt));
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parsing #ids .classes ^titles [styles] %event{>listeners<} and {other attributes}.
+	 *
+	 * @return \Htsl\Parser\Node\TagNode
+	 */
+	protected function parseCommonAttributes():string
+	{
+		$attributes = '';
+
+		$id = $this->line->pregGet('/ #([^ ]+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1)
+		 and $this->setAttribute('id', $id);
+
+		$classes = $this->line->pregGet('/ \.[^ ]+(?= |$)/')
+		 and preg_match_all('/\.((?(?!\()[^.]+|(?<exp>\((?:[^()]+|(?&exp)?)+?\))))/', $classes, $matches)
+		  and $classes = implode(' ', array_filter(array_map(function ($className) {
+			  return $this->checkExpression($className);
+		  }, $matches[1])))
+		   and $this->setAttribute('class', $classes);
+
+		$title = $this->line->pregGet('/ \^((?!\()(?:[^ ]| (?=[a-zA-Z0-9]))+|(?<exp>\((?:[^()]+|(?&exp)?)+?\)))(?= |$)/', 1)
+		 and $this->setAttribute('title', $title);
+
+		$style = $this->line->pregGet('/ \[([^\]]+;)(?=\]( |$))/', 1)
+		 and $this->setAttribute('style', $style);
+
+		$eventListeners = $this->line->pregMap('/ %(\w+)\{>(.*?)<\}(?= |$)/', function ($string, $name, $code) {
+			$this->setAttribute('on'.$name, str_replace('"', '&quot;', $code));
+		})
+		 and implode('', $eventListeners);
+
+		$other = $this->line->pregGet('/(?<=\{).*?(?=;\}( |$))/')
+		 and array_map(function ($keyValue) {
+			 preg_replace_callback('/^([\w-:]+)(?:\?(.+?))?(?:\=(.*))?$/', function ($matches) {
+				 $this->setAttribute($matches[1], ($matches[3] ?? $matches[1]) ?: $matches[1], $matches[2] ?? null);
+			 }, $keyValue);
+		 }, explode(';', $other));
+
+		return $attributes;
+	}
+
+	/**
+	 * Checking and parse PHP expressions.
+	 *
+	 * @param string $value
+	 *
+	 * @return string
+	 */
+	protected function checkExpression(string $value):string
+	{
+		return preg_match('/^\(.*\)$/', $value) ? '<?='.substr($value, 1, -1).';?>' : str_replace('"', '&quot;', $value);
+	}
+
+	/**
+	 * Getting attribute string with HTML syntax.
+	 *
+	 * @return string
+	 */
+	protected function getAttributesString():string
+	{
+		ksort($this->attributes);
+
+		return implode('', array_map(static function (string $key, array $data) {
+			return isset($data['condition']) && strlen($data['condition']) ?
+				"<?php if( {$data['condition']} ){?> $key=\"{$data['value']}\"<?php }?>"
+				:
+				" $key=\"{$data['value']}\"";
+		}, array_keys($this->attributes), $this->attributes));
+	}
+
+	/**
+	 * Setting attribute.
+	 *
+	 * @param string      $key       Attribute name.
+	 * @param string      $value     Attribute value
+	 * @param string|null $condition Optional condition, If given, attribute will seted only when condition is true.
+	 */
+	protected function setAttribute(string $key, string $value, string $condition = null):self
+	{
+		if (isset($this->attributes[$key])) {
+			$this->document->throw("Attribute $key of $this->name cannot redeclare.");
+		}
+
+		$this->attributes[$key] = [
+			'value'     => $value,
+			'condition' => $condition,
+		];
+
+		return $this;
+	}
+
+	/*             *\
        ArrayAccess
     \*             */
 
-    /**
-     * Whether the attribute isset.
-     *
-     * @param mixed $offset
-     *
-     * @return bool
-     */
-    public function offsetExists($offset):bool
-    {
-        return isset($this->attributes[$offset]);
-    }
-
-    /**
-     * Getting attribute with array access.
-     *
-     * @param mixed $offset
-     *
-     * @return mixed
-     */
-    public function offsetGet($offset)
-    {
-        return $this->attributes[$offset] ?? null;
-    }
-
-    /**
-     * Setting Attribute with array access.
-     *
-     * @param mixed $offset
-     * @param mixed $value
-     */
-    public function offsetSet($offset, $value)
-    {
-        $this->setAttribute($offset, $value);
-    }
-
-    /**
-     * Unset an attribute with array access.
-     *
-     * @param mixed $offset
-     */
-    public function offsetUnset($offset)
-    {
-        if (isset($this->attributes[$offset])) {
-            unset($this->attributes[$offset]);
-        }
-    }
+	/**
+	 * Whether the attribute isset.
+	 *
+	 * @param mixed $offset
+	 *
+	 * @return bool
+	 */
+	public function offsetExists($offset):bool
+	{
+		return isset($this->attributes[$offset]);
+	}
+
+	/**
+	 * Getting attribute with array access.
+	 *
+	 * @param mixed $offset
+	 *
+	 * @return mixed
+	 */
+	public function offsetGet($offset)
+	{
+		return $this->attributes[$offset] ?? null;
+	}
+
+	/**
+	 * Setting Attribute with array access.
+	 *
+	 * @param mixed $offset
+	 * @param mixed $value
+	 */
+	public function offsetSet($offset, $value)
+	{
+		$this->setAttribute($offset, $value);
+	}
+
+	/**
+	 * Unset an attribute with array access.
+	 *
+	 * @param mixed $offset
+	 */
+	public function offsetUnset($offset)
+	{
+		if (isset($this->attributes[$offset])) {
+			unset($this->attributes[$offset]);
+		}
+	}
 }