/**
* Constructor
*
* @param string $markup
* @param array $tokens
* @param LiquidFileSystem $file_system
* @return AssignLiquidTag
*/
public function __construct($markup, &$tokens, &$file_system)
{
$syntax_regexp = new LiquidRegexp('/(\\w+)\\s*=\\s*(' . LIQUID_QUOTED_FRAGMENT . '+)/');
$filter_seperator_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPARATOR . '\\s*(.*)/');
$filter_split_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPARATOR . '/');
$filter_name_regexp = new LiquidRegexp('/\\s*(\\w+)/');
$filter_argument_regexp = new LiquidRegexp('/(?:' . LIQUID_FILTER_ARGUMENT_SEPARATOR . '|' . LIQUID_ARGUMENT_SEPARATOR . ')\\s*(' . LIQUID_QUOTED_FRAGMENT . ')/');
$this->filters = array();
if ($filter_seperator_regexp->match($markup)) {
$filters = $filter_split_regexp->split($filter_seperator_regexp->matches[1]);
foreach ($filters as $filter) {
$filter_name_regexp->match($filter);
$filtername = $filter_name_regexp->matches[1];
$filter_argument_regexp->match_all($filter);
$matches = Liquid::array_flatten($filter_argument_regexp->matches[1]);
array_push($this->filters, array($filtername, $matches));
}
}
if ($syntax_regexp->match($markup)) {
$this->_to = $syntax_regexp->matches[1];
$this->_from = $syntax_regexp->matches[2];
} else {
throw new LiquidException("Syntax Error in 'assign' - Valid syntax: assign [var] = [source]");
}
}
/**
* Constructor
*
* @param string $markup
* @return LiquidVariable
*/
public function __construct($markup)
{
$this->markup = $markup;
$quoted_fragment_regexp = new LiquidRegexp('/\\s*(' . LIQUID_QUOTED_FRAGMENT . ')/');
$filter_seperator_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPARATOR . '\\s*(.*)/');
$filter_split_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPARATOR . '/');
$filter_name_regexp = new LiquidRegexp('/\\s*(\\w+)/');
$filter_argument_regexp = new LiquidRegexp('/(?:' . LIQUID_FILTER_ARGUMENT_SEPARATOR . '|' . LIQUID_ARGUMENT_SEPARATOR . ')\\s*(' . LIQUID_QUOTED_FRAGMENT . ')/');
$quoted_fragment_regexp->match($markup);
//$this->_name = $quoted_fragment_regexp->matches[1];
$this->_name = isset($quoted_fragment_regexp->matches[1]) ? $quoted_fragment_regexp->matches[1] : null;
// harry
if ($filter_seperator_regexp->match($markup)) {
$filters = $filter_split_regexp->split($filter_seperator_regexp->matches[1]);
foreach ($filters as $filter) {
$filter_name_regexp->match($filter);
$filtername = $filter_name_regexp->matches[1];
$filter_argument_regexp->match_all($filter);
//$matches = array_flatten($filter_argument_regexp->matches[1]);
$matches = Liquid::array_flatten($filter_argument_regexp->matches[1]);
$this->filters[] = array($filtername, $matches);
}
} else {
$this->filters = array();
}
}
/**
* Render the tag
*
* @param LiquidContext $context
*/
public function render(&$context)
{
$context->push();
$logicalRegex = new LiquidRegexp('/\\s+(and|or)\\s+/');
$conditionalRegex = new LiquidRegexp('/(' . LIQUID_QUOTED_FRAGMENT . ')\\s*([=!<>a-z_]+)?\\s*(' . LIQUID_QUOTED_FRAGMENT . ')?/');
$result = '';
foreach ($this->_blocks as $i => $block) {
if ($block[0] == 'else') {
$result = $this->render_all($block[2], $context);
break;
}
if ($block[0] == 'if' || $block[0] == 'elsif') {
/* Extract logical operators */
$logicalRegex->match($block[1]);
$logicalOperators = $logicalRegex->matches;
array_shift($logicalOperators);
/* Extract individual conditions */
$temp = $logicalRegex->split($block[1]);
$conditions = array();
foreach ($temp as $condition) {
if ($conditionalRegex->match($condition)) {
$left = isset($conditionalRegex->matches[1]) ? $conditionalRegex->matches[1] : null;
$operator = isset($conditionalRegex->matches[2]) ? $conditionalRegex->matches[2] : null;
$right = isset($conditionalRegex->matches[3]) ? $conditionalRegex->matches[3] : null;
array_push($conditions, array('left' => $left, 'operator' => $operator, 'right' => $right));
} else {
throw new LiquidException("Syntax Error in tag 'if' - Valid syntax: if [condition]");
}
}
if (count($logicalOperators)) {
/* If statement contains and/or */
$display = true;
foreach ($logicalOperators as $k => $logicalOperator) {
if ($logicalOperator == 'and') {
$display = $this->interpret_condition($conditions[$k]['left'], $conditions[$k]['right'], $conditions[$k]['operator'], $context) && $this->interpret_condition($conditions[$k + 1]['left'], $conditions[$k + 1]['right'], $conditions[$k + 1]['operator'], $context);
} else {
$display = $this->interpret_condition($conditions[$k]['left'], $conditions[$k]['right'], $conditions[$k]['operator'], $context) || $this->interpret_condition($conditions[$k + 1]['left'], $conditions[$k + 1]['right'], $conditions[$k + 1]['operator'], $context);
}
}
} else {
/* If statement is a single condition */
$display = $this->interpret_condition($conditions[0]['left'], $conditions[0]['right'], $conditions[0]['operator'], $context);
}
if ($display) {
$result = $this->render_all($block[2], $context);
break;
}
}
}
$context->pop();
return $result;
}
/**
* Constructor
*
* @param string $markup
* @return LiquidVariable
*/
function LiquidVariable($markup)
{
$this->markup = $markup;
$quoted_fragment_regexp = new LiquidRegexp('/\\s*(' . LIQUID_QUOTED_FRAGMENT . ')/');
$filter_seperator_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPERATOR . '\\s*(.*)/');
$filter_split_regexp = new LiquidRegexp('/' . LIQUID_FILTER_SEPERATOR . '/');
$filter_name_regexp = new LiquidRegexp('/\\s*(\\w+)/');
$filter_argument_regexp = new LiquidRegexp('/(?:' . LIQUID_FILTER_ARGUMENT_SEPERATOR . '|' . LIQUID_ARGUMENT_SPERATOR . ')\\s*(' . LIQUID_QUOTED_FRAGMENT . ')/');
$quoted_fragment_regexp->match($markup);
$this->name = $quoted_fragment_regexp->matches[1];
if ($filter_seperator_regexp->match($markup)) {
$filters = $filter_split_regexp->split($filter_seperator_regexp->matches[1]);
foreach ($filters as $filter) {
$filter_name_regexp->match($filter);
$filtername = $filter_name_regexp->matches[1];
$filter_argument_regexp->match_all($filter);
$matches = array_flatten($filter_argument_regexp->matches[1]);
$this->filters[] = array($filtername, $matches);
}
} else {
$this->filters = array();
}
}
