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<?php |
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/** |
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* @author Todd Burry <[email protected]> |
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* @copyright 2009-2017 Vanilla Forums Inc. |
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* @license MIT |
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*/ |
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namespace Ebi; |
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class ComponentBuffer { |
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private $buffer = ''; |
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private $literalBuffer = ''; |
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private $inEcho = false; |
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private $indent; |
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private $depth; |
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private $scopes; |
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public function __construct(array $defaults = []) { |
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$defaults += [ |
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'depth' => 0, |
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'indent' => 0, |
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'scopes' => [] |
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]; |
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$this->depth = $defaults['depth']; |
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$this->indent = $defaults['indent']; |
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$this->scopes = $defaults['scopes']; |
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} |
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public function echoLiteral($value) { |
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$this->literalBuffer .= $value; |
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} |
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public function echoCode($php) { |
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if (empty($php)) { |
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return; |
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} |
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$this->flushLiteralBuffer(); |
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$this->ensureEcho(true); |
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$this->buffer .= $php; |
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} |
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private function flushLiteralBuffer() { |
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if (!empty($this->literalBuffer)) { |
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$this->ensureEcho(true); |
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$this->buffer .= var_export($this->literalBuffer, true); |
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$this->literalBuffer = ''; |
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} |
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} |
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private function ensureEcho($append) { |
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if (!$this->inEcho) { |
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$this->buffer .= $this->px().'echo '; |
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$this->inEcho = true; |
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} elseif ($append) { |
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$this->buffer .= ",\n".$this->px(+1); |
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} |
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} |
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protected function px($add = 0) { |
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return str_repeat(' ', ($this->indent + $add) * 4); |
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} |
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public function appendCode($php) { |
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$this->flushLiteralBuffer(); |
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$this->flushEcho(); |
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$this->buffer .= $this->px().$php; |
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} |
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private function flushEcho() { |
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$this->flushLiteralBuffer(); |
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if ($this->inEcho) { |
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$this->buffer .= ";\n"; |
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$this->inEcho = false; |
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} |
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} |
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public function indent($add) { |
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$this->flushEcho(); |
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$this->indent += $add; |
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} |
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public function depth($add = 1) { |
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$this->depth += $add; |
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} |
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public function depthName($name, $add = 0) { |
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$depth = $this->depth + $add; |
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if ($depth === 0) { |
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return $name; |
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} else { |
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return $name.$depth; |
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} |
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} |
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public function pushScope(array $vars) { |
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$this->scopes[] = $vars; |
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} |
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public function popScope() { |
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array_pop($this->scopes); |
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} |
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public function getScopeVariables() { |
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$r = array_replace(...$this->scopes); |
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return $r; |
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} |
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public function getScope() { |
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return end($this->scopes); |
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} |
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public function getAllScopes() { |
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return $this->scopes; |
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} |
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public function flush() { |
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$this->flushEcho(); |
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return $this->buffer; |
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} |
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/** |
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* Get the indent. |
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* |
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* @return int Returns the indent. |
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*/ |
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public function getIndent() { |
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return $this->indent; |
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} |
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/** |
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* Get the depth. |
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* |
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* @return mixed Returns the depth. |
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*/ |
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public function getDepth() { |
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return $this->depth; |
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} |
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} |
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This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.