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<?php |
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|
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namespace ImportWP\Common\Exporter\File; |
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|
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use ImportWP\Common\Exporter\Mapper\MapperData; |
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|
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class XMLFile extends File |
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{ |
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private $template; |
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private $template_loops; |
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private $template_sections = []; |
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private $template_data = []; |
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private $i = -1; |
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|
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public function start() |
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{ |
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// Generating a template, allows at a later date for custom templates to be added via user. |
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$this->template = $this->generateTemplate(); |
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|
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// Parse Template <!-- ewp:loop {"loop": "post"} --> |
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preg_match_all('/<!--\s*(\/?)ewp:loop\s*(\{.*?\})?\s*-->/', $this->template, $this->template_loops, PREG_OFFSET_CAPTURE); |
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|
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// generate template loop data from matches |
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$last = $this->template_loops[0][count($this->template_loops[0]) - 1]; |
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$this->template_sections['start'] = substr($this->template, 0, $this->template_loops[0][0][1]); // + strlen($this->template_loops[0][0][0])); |
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$this->template_sections['end'] = substr($this->template, $last[1] + strlen($last[0])); |
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|
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fputs($this->fh, $this->template_sections['start'] . PHP_EOL); |
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|
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$data = $this->buildTemplateDataStructure([]); |
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$this->template_data = $data[0]; |
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} |
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|
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|
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public function buildTemplateDataStructure($data) |
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{ |
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$this->i++; |
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|
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if (count($this->template_loops[0]) < $this->i + 1) { |
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return $data; |
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} |
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|
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$is_opener = $this->template_loops[1][$this->i][0] !== '/'; |
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if ($is_opener) { |
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|
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$row = []; |
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$row['id'] = $this->template_loops[0][$this->i][0]; |
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$row['args'] = json_decode($this->template_loops[2][$this->i][0], true); |
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$row['start'] = $this->template_loops[0][$this->i][1]; |
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$row['children'] = $this->buildTemplateDataStructure([]); |
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$row['end'] = $this->template_loops[0][$this->i][1]; |
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|
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$start_with_offset = $row['start'] + strlen($row['id']); |
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|
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$row['template'] = []; |
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|
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if (!empty($row['children'])) { |
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|
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// start |
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$row['template']['open'] = trim(substr($this->template, $start_with_offset, $row['children'][0]['start'] - $start_with_offset)); |
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|
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// inbetween parts |
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if (count($row['children']) > 1) { |
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|
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$tmp = []; |
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$tmp[] = $row['children'][0]; |
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|
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for ($i = 1; $i < count($row['children']); $i++) { |
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$prev = $row['children'][$i - 1]; |
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$current = $row['children'][$i]; |
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$end_with_offset = $prev['end'] + strlen($this->template_loops[0][$this->i][0]); |
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$tmp[] = trim(substr($this->template, $end_with_offset, $current['start'] - $end_with_offset)); |
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$tmp[] = $row['children'][$i]; |
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} |
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|
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$row['children'] = $tmp; |
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} |
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|
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// end |
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|
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$prev_index = $this->i - 1; |
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|
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$end_start = $this->template_loops[0][$prev_index][1] + strlen($this->template_loops[0][$prev_index][0]); |
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$end_end = $this->template_loops[0][$this->i][1]; |
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|
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$row['template']['close'] = trim(substr($this->template, $end_start, $end_end - $end_start)); |
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|
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// $next_index = $this->i + 1 == count($this->template_loops[0]) ? -1 : $this->i + 1; |
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// $end_with_offset = $row['end'] + strlen($this->template_loops[0][$this->i][0]); |
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// if ($next_index == -1) { |
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// $row['template'][] = trim(substr($this->template, $end_with_offset)); |
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// } else { |
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// $row['template'][] = trim(substr($this->template, $end_with_offset, $this->template_loops[0][$next_index][1] - $end_with_offset)); |
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// } |
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} else { |
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$row['template']['main'] = trim(substr($this->template, $start_with_offset, $row['end'] - $start_with_offset)); |
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} |
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|
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$data[] = $row; |
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|
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return $this->buildTemplateDataStructure($data); |
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} |
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|
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return $data; |
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} |
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|
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public function generateTemplate() |
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{ |
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$fields = $this->exporter->getFields(); |
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$template = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL; |
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$template .= $this->recursivelyGenerateXML($fields); |
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return $template; |
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} |
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|
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public function recursivelyGenerateXML($fields, $parent = 0, $schema = '', $loop = null) |
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{ |
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$current_items = array_filter($fields, function ($item) use ($parent) { |
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return intval($item['parent']) == $parent; |
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}); |
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|
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// move attributes to top |
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usort($current_items, function ($a, $b) { |
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|
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$found_a = isset($a['label']) && strpos($a['label'], '@') === 0; |
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$found_b = isset($b['label']) && strpos($b['label'], '@') === 0; |
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|
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if ($found_a && !$found_b) { |
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return -1; |
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} elseif (!$found_a && $found_b) { |
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return 1; |
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} |
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|
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return 0; |
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}); |
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|
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|
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|
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if (!empty($current_items)) { |
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foreach ($current_items as $current_item) { |
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|
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$label = $this->getFieldLabel($current_item); |
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|
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$is_attr = strpos($label, '@') === 0; |
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|
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if ($is_attr) { |
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|
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$label = $this->esc_attr($label); |
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|
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// we are an attribute |
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if (isset($current_item['selection']) && !empty($current_item['selection'])) { |
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|
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$selection = $current_item['selection']; |
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if (!isset($current_item['custom']) || $current_item['custom'] !== 'true') { |
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$selection = '{' . $selection . ' | ' . wp_json_encode(["escape" => true]) . '}'; |
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} |
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|
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$schema .= ' ' . $label . '="' . $selection . '"'; |
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} |
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continue; |
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} |
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|
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if (!$this->hasClosingTag($schema)) { |
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$schema = $this->checkForClosingTag($schema); |
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$schema .= "\n"; |
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} |
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|
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$label = $this->esc_label($label); |
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|
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if (isset($current_item['loop']) && ($current_item['loop'] === 'true' || $current_item['loop'] === true)) { |
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|
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$schema .= '<!-- ewp:loop ' . wp_json_encode(['loop' => $current_item['selection']]) . ' -->' . "\n"; |
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|
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$schema .= '<' . $label; |
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$schema = $this->recursivelyGenerateXML($fields, $current_item['id'], $schema, $current_item['selection']); |
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$schema = $this->checkForClosingTag($schema) . "\n"; |
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|
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$schema .= '</' . $label . '>' . "\n"; |
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|
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$schema .= '<!-- /ewp:loop -->' . "\n"; |
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} else { |
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|
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//TODO: if data is array, repeat |
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$schema .= '<' . $label; |
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|
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$schema = $this->recursivelyGenerateXML($fields, $current_item['id'], $schema, $loop); |
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|
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$schema = $this->checkForClosingTag($schema); |
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|
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if (isset($current_item['selection']) && !empty($current_item['selection'])) { |
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|
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$selection = $current_item['selection']; |
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if (!isset($current_item['custom']) || $current_item['custom'] !== 'true') { |
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$selection = '<![CDATA[{' . $selection . '}]]>'; |
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} |
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|
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$schema .= $selection; |
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} |
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|
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$schema .= '</' . $label . '>' . "\n"; |
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} |
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} |
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} |
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|
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return $schema; |
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} |
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|
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public function esc_label($label) |
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{ |
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|
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$label = str_replace(' ', '_', $label); |
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return $label; |
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} |
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|
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public function esc_attr($attr) |
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{ |
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|
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// remove @ from start |
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$attr = substr($attr, 1); |
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$attr = str_replace(' ', '_', $attr); |
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return $attr; |
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} |
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|
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/** |
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* @param MapperData $mapper |
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* @return void |
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*/ |
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public function add($mapper) |
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{ |
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$output = $this->processLoop($this->template_data, $mapper); |
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fputs($this->fh, $output); |
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} |
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|
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/** |
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* @param array $template_data |
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* @param MapperData $mapper |
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*/ |
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public function processLoop($template_data, $mapper, $loop_args = [], $depth = 0) |
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{ |
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$output = ''; |
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|
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if (isset($template_data['args']) && $depth > 0) { |
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$loop_args = $template_data['args']; |
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} |
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|
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$output .= PHP_EOL . '<!-- processLoop ' . wp_json_encode($loop_args) . ' -->' . PHP_EOL; |
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|
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// TODO: get loop data and replace template variables |
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$loop_data = $mapper->data($loop_args); |
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foreach ($loop_data as $data) { |
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|
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if (isset($template_data['template']['open'])) { |
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$output .= $mapper->template($template_data['template']['open'], $data); |
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} |
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|
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if (!empty($template_data['children'])) { |
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foreach ($template_data['children'] as $child) { |
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if (is_array($child)) { |
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$output .= $this->processLoop($child, $mapper, $loop_args, $depth + 1); |
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} else { |
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$output .= $mapper->template($child, $data); |
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} |
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} |
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} elseif (isset($template_data['template']['main'])) { |
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$output .= $mapper->template($template_data['template']['main'], $data); |
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} |
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|
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if (isset($template_data['template']['close'])) { |
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$output .= $mapper->template($template_data['template']['close'], $data); |
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} |
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} |
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|
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$output .= PHP_EOL . '<!-- /processLoop -->' . PHP_EOL; |
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|
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return $output; |
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} |
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|
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public function checkForClosingTag($output) |
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{ |
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$tmp = trim($output); |
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if (strlen($tmp) > 1 && substr($tmp, -1) !== '>') { |
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$output .= '>'; |
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} |
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return $output; |
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} |
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|
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public function hasClosingTag($output) |
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{ |
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$tmp = trim($output); |
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if (strlen($tmp) > 1 && substr($tmp, -1) !== '>') { |
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return false; |
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} |
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return true; |
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} |
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|
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public function indent($depth) |
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{ |
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return str_repeat("\t", $depth + 1); |
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} |
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|
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public function end() |
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{ |
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fputs($this->fh, $this->template_sections['end'] . PHP_EOL); |
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fclose($this->fh); |
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} |
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|
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public function get_file_name() |
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{ |
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return $this->exporter->getId() . '.xml'; |
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} |
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} |
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|
