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<?php |
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namespace Thruster\Component\XMLIterator; |
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use Traversable; |
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/** |
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* Class XMLBuild |
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* |
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* @package Thruster\Component\XMLIterator |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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abstract class XMLBuild |
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{ |
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/** |
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* indentLines() |
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* |
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* this will add a line-separator at the end of the last line because if it was |
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* empty it is not any longer and deserves one. |
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* |
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* @param string $lines |
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* @param string $indent (optional) |
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* |
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* @return string |
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*/ |
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public static function indentLines($lines, $indent = ' ') |
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{ |
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$lineSeparator = "\n"; |
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$buffer = ''; |
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$line = strtok($lines, $lineSeparator); |
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while ($line) { |
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$buffer .= $indent . $line . $lineSeparator; |
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$line = strtok($lineSeparator); |
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} |
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strtok(null, null); |
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return $buffer; |
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} |
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/** |
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* @param string $name |
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* @param array|Traversable $attributes attributeName => attributeValue string pairs |
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* @param bool $emptyTag create an empty element tag (commonly known as short tags) |
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* |
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* @return string |
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*/ |
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public static function startTag($name, $attributes, $emptyTag = false) |
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{ |
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$buffer = '<' . $name; |
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$buffer .= static::attributes($attributes); |
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$buffer .= $emptyTag ? '/>' : '>'; |
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return $buffer; |
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} |
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/** |
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* @param array|Traversable $attributes attributeName => attributeValue string pairs |
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* |
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* @return string |
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*/ |
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public static function attributes($attributes) |
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{ |
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$buffer = ''; |
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foreach ($attributes as $name => $value) { |
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$buffer .= ' ' . $name . '="' . static::attributeValue($value) . '"'; |
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} |
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return $buffer; |
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} |
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/** |
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* @param string $value |
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* |
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* @see XMLBuild::numericEntitiesSingleByte |
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* |
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* @return string |
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*/ |
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public static function attributeValue($value) |
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{ |
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$buffer = $value; |
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// REC-xml/#AVNormalize - preserve |
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// REC-xml/#sec-line-ends - preserve |
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$buffer = preg_replace_callback('~\r\n|\r(?!\n)|\t~', ['self', 'numericEntitiesSingleByte'], $buffer); |
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return htmlspecialchars($buffer, ENT_QUOTES, 'UTF-8', false); |
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} |
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/** |
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* @param string $name |
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* @param array|Traversable $attributes attributeName => attributeValue string pairs |
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* @param string $innerXML |
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* |
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* @return string |
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*/ |
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public static function wrapTag($name, $attributes, $innerXML) |
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{ |
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if (!strlen($innerXML)) { |
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return XMLBuild::startTag($name, $attributes, true); |
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} |
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return |
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XMLBuild::startTag($name, $attributes) |
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. "\n" |
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. XMLBuild::indentLines($innerXML) |
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. "</$name>"; |
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} |
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/** |
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* @param XMLReader $reader |
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* |
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* @return string |
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*/ |
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public static function readerNode(XMLReader $reader) |
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{ |
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switch ($reader->nodeType) { |
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case XMLREADER::NONE: |
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return '%(0)%'; |
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case XMLReader::ELEMENT: |
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return XMLBuild::startTag($reader->name, new AttributeIterator($reader)); |
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default: |
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$node = new Node($reader); |
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$nodeTypeName = $node->getNodeTypeName(); |
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$nodeType = $reader->nodeType; |
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return sprintf('%%%s (%d)%%', $nodeTypeName, $nodeType); |
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} |
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} |
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/** |
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* @param array $matches |
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* |
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* @return string |
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* @see attributeValue() |
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*/ |
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1 |
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private static function numericEntitiesSingleByte($matches) |
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{ |
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$buffer = str_split($matches[0]); |
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foreach ($buffer as &$char) { |
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$char = sprintf('&#%d;', ord($char)); |
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} |
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1 |
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return implode('', $buffer); |
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} |
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} |
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ThrusterIO /
xml-iterator
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