PDF converter * distributed under the OSL-3.0 License * * @package Html2pdf * @author Laurent MINGUET * @copyright 2017 Laurent MINGUET */ namespace Spipu\Html2Pdf\Parsing; use Spipu\Html2Pdf\CssConverter; use Spipu\Html2Pdf\MyPdf; class Css { /** * @var TagParser */ protected $tagParser; /** * @var CssConverter */ protected $cssConverter; /** * Reference to the pdf object * * @var MyPdf */ protected $pdf = null; protected $onlyLeft = false; // flag if we are in a sub html => only "text-align:left" is used protected $defaultFont = null; // default font to use if the asked font does not exist public $value = array(); // current values public $css = array(); // css values public $cssKeys = array(); // css key, for the execution order public $table = array(); // level history /** * Constructor * * @param MyPdf $pdf reference to the PDF $object * @param TagParser $tagParser * @param CssConverter $cssConverter */ public function __construct(&$pdf, TagParser $tagParser, CssConverter $cssConverter) { $this->cssConverter = $cssConverter; $this->init(); $this->setPdfParent($pdf); $this->tagParser = $tagParser; } /** * Set the $pdf parent object * * @param MyPdf &$pdf reference to the Html2Pdf parent * * @return void */ public function setPdfParent(&$pdf) { $this->pdf = &$pdf; } /** * Inform that we want only "test-align:left" because we are in a sub HTML * * @return void */ public function setOnlyLeft() { $this->value['text-align'] = 'left'; $this->onlyLeft = true; } /** * Get the vales of the parent, if exist * * @return array CSS values */ public function getOldValues() { return isset($this->table[count($this->table)-1]) ? $this->table[count($this->table)-1] : $this->value; } /** * Define the Default Font to use, if the font does not exist, or if no font asked * * @param string default font-family. If null : Arial for no font asked, and error fot ont does not exist * * @return string old default font-family */ public function setDefaultFont($default = null) { $old = $this->defaultFont; $this->defaultFont = $default; if ($default) { $this->value['font-family'] = $default; } return $old; } /** * Init the object * * @return void */ protected function init() { // init the Style $this->table = array(); $this->value = array(); $this->initStyle(); // Init the styles without legacy $this->resetStyle(); } /** * Init the CSS Style * * @return void */ public function initStyle() { $this->value['id_tag'] = 'body'; // tag name $this->value['id_name'] = null; // tag - attribute name $this->value['id_id'] = null; // tag - attribute id $this->value['id_class'] = null; // tag - attribute class $this->value['id_lst'] = array('*'); // tag - list of legacy $this->value['mini-size'] = 1.; // specific size report for sup, sub $this->value['mini-decal'] = 0; // specific position report for sup, sub $this->value['font-family'] = defined('PDF_FONT_NAME_MAIN') ? PDF_FONT_NAME_MAIN : 'Arial'; $this->value['font-bold'] = false; $this->value['font-italic'] = false; $this->value['font-underline'] = false; $this->value['font-overline'] = false; $this->value['font-linethrough'] = false; $this->value['text-transform'] = 'none'; $this->value['font-size'] = $this->cssConverter->convertFontSize('10pt'); $this->value['text-indent'] = 0; $this->value['text-align'] = 'left'; $this->value['vertical-align'] = 'middle'; $this->value['line-height'] = 'normal'; $this->value['position'] = null; $this->value['x'] = null; $this->value['y'] = null; $this->value['width'] = 0; $this->value['height'] = 0; $this->value['top'] = null; $this->value['right'] = null; $this->value['bottom'] = null; $this->value['left'] = null; $this->value['float'] = null; $this->value['display'] = null; $this->value['rotate'] = null; $this->value['overflow'] = 'visible'; $this->value['color'] = array(0, 0, 0); $this->value['background'] = array( 'color' => null, 'image' => null, 'position' => null, 'repeat' => null ); $this->value['border'] = array(); $this->value['padding'] = array(); $this->value['margin'] = array(); $this->value['margin-auto'] = false; $this->value['list-style-type'] = ''; $this->value['list-style-image'] = ''; $this->value['xc'] = null; $this->value['yc'] = null; $this->value['page-break-before'] = null; $this->value['page-break-after'] = null; } /** * Init the CSS Style without legacy * * @param string tag name * * @return void */ public function resetStyle($tagName = '') { // prepare somme values $border = $this->readBorder('solid 1px #000000'); $units = array( '1px' => $this->cssConverter->convertToMM('1px'), '5px' => $this->cssConverter->convertToMM('5px'), ); // prepare the Collapse attribute $collapse = isset($this->value['border']['collapse']) ? $this->value['border']['collapse'] : false; if (!in_array($tagName, array('tr', 'td', 'th', 'thead', 'tbody', 'tfoot'))) { $collapse = false; } // set the global css values $this->value['position'] = null; $this->value['x'] = null; $this->value['y'] = null; $this->value['width'] = 0; $this->value['height'] = 0; $this->value['top'] = null; $this->value['right'] = null; $this->value['bottom'] = null; $this->value['left'] = null; $this->value['float'] = null; $this->value['display'] = null; $this->value['rotate'] = null; $this->value['overflow'] = 'visible'; $this->value['background'] = array('color' => null, 'image' => null, 'position' => null, 'repeat' => null); $this->value['border'] = array( 't' => $this->readBorder('none'), 'r' => $this->readBorder('none'), 'b' => $this->readBorder('none'), 'l' => $this->readBorder('none'), 'radius' => array( 'tl' => array(0, 0), 'tr' => array(0, 0), 'br' => array(0, 0), 'bl' => array(0, 0) ), 'collapse' => $collapse, ); // specific values for some tags if (!in_array($tagName, array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'))) { $this->value['margin'] = array('t'=>0,'r'=>0,'b'=>0,'l'=>0); } if (in_array($tagName, array('input', 'select', 'textarea'))) { $this->value['border']['t'] = null; $this->value['border']['r'] = null; $this->value['border']['b'] = null; $this->value['border']['l'] = null; } if ($tagName === 'p') { $this->value['margin']['t'] = null; $this->value['margin']['b'] = null; } if ($tagName === 'blockquote') { $this->value['margin']['t'] = 3; $this->value['margin']['r'] = 3; $this->value['margin']['b'] = 3; $this->value['margin']['l'] = 6; } $this->value['margin-auto'] = false; if (in_array($tagName, array('blockquote', 'div', 'fieldset'))) { $this->value['vertical-align'] = 'top'; } if (in_array($tagName, array('fieldset', 'legend'))) { $this->value['border'] = array( 't' => $border, 'r' => $border, 'b' => $border, 'l' => $border, 'radius' => array( 'tl' => array($units['5px'], $units['5px']), 'tr' => array($units['5px'], $units['5px']), 'br' => array($units['5px'], $units['5px']), 'bl' => array($units['5px'], $units['5px']) ), 'collapse' => false, ); } if (in_array($tagName, array('ul', 'li'))) { $this->value['list-style-type'] = ''; $this->value['list-style-image'] = ''; } if (!in_array($tagName, array('tr', 'td'))) { $this->value['padding'] = array( 't' => 0, 'r' => 0, 'b' => 0, 'l' => 0 ); } else { $this->value['padding'] = array( 't' => $units['1px'], 'r' => $units['1px'], 'b' => $units['1px'], 'l' => $units['1px'] ); } if ($tagName === 'hr') { $this->value['border'] = array( 't' => $border, 'r' => $border, 'b' => $border, 'l' => $border, 'radius' => array( 'tl' => array(0, 0), 'tr' => array(0, 0), 'br' => array(0, 0), 'bl' => array(0, 0) ), 'collapse' => false, ); $this->cssConverter->convertBackground('#FFFFFF', $this->value['background']); } $this->value['xc'] = null; $this->value['yc'] = null; } /** * Init the PDF Font * * @return void */ public function fontSet() { $family = strtolower($this->value['font-family']); $b = ($this->value['font-bold'] ? 'B' : ''); $i = ($this->value['font-italic'] ? 'I' : ''); $u = ($this->value['font-underline'] ? 'U' : ''); $d = ($this->value['font-linethrough'] ? 'D' : ''); $o = ($this->value['font-overline'] ? 'O' : ''); // font style $style = $b.$i; if ($this->defaultFont) { if ($family === 'arial') { $family='helvetica'; } elseif ($family === 'symbol' || $family === 'zapfdingbats') { $style=''; } $fontkey = $family.$style; if (!$this->pdf->isLoadedFont($fontkey)) { $family = $this->defaultFont; } } if ($family === 'arial') { $family='helvetica'; } elseif ($family === 'symbol' || $family === 'zapfdingbats') { $style=''; } // complete style $style.= $u.$d.$o; // size : mm => pt $size = $this->value['font-size']; $size = 72 * $size / 25.4; // apply the font $this->pdf->SetFont($family, $style, $this->value['mini-size']*$size); $this->pdf->SetTextColorArray($this->value['color']); if ($this->value['background']['color']) { $this->pdf->SetFillColorArray($this->value['background']['color']); } else { $this->pdf->SetFillColor(255); } } /** * Add a level in the CSS history * * @return void */ public function save() { array_push($this->table, $this->value); } /** * Remove a level in the CSS history * * @return void */ public function load() { if (count($this->table)) { $this->value = array_pop($this->table); } } /** * Restore the Y position (used after a span) * * @return void */ public function restorePosition() { if ($this->value['y'] == $this->pdf->GetY()) { $this->pdf->SetY($this->value['yc'], false); } } /** * Set the New position for the current Tag * * @return void */ public function setPosition() { // get the current position $currentX = $this->pdf->GetX(); $currentY = $this->pdf->GetY(); // save it $this->value['xc'] = $currentX; $this->value['yc'] = $currentY; if ($this->value['position'] === 'relative' || $this->value['position'] === 'absolute') { if ($this->value['right'] !== null) { $x = $this->getLastWidth(true) - $this->value['right'] - $this->value['width']; if ($this->value['margin']['r']) { $x-= $this->value['margin']['r']; } } else { $x = $this->value['left']; if ($this->value['margin']['l']) { $x+= $this->value['margin']['l']; } } if ($this->value['bottom'] !== null) { $y = $this->getLastHeight(true) - $this->value['bottom'] - $this->value['height']; if ($this->value['margin']['b']) { $y-= $this->value['margin']['b']; } } else { $y = $this->value['top']; if ($this->value['margin']['t']) { $y+= $this->value['margin']['t']; } } if ($this->value['position'] === 'relative') { $this->value['x'] = $currentX + $x; $this->value['y'] = $currentY + $y; } else { $this->value['x'] = $this->getLastAbsoluteX()+$x; $this->value['y'] = $this->getLastAbsoluteY()+$y; } } else { $this->value['x'] = $currentX; $this->value['y'] = $currentY; if ($this->value['margin']['l']) { $this->value['x']+= $this->value['margin']['l']; } if ($this->value['margin']['t']) { $this->value['y']+= $this->value['margin']['t']; } } // save the new position $this->pdf->SetXY($this->value['x'], $this->value['y']); } /** * Analyse the CSS style to convert it into Form style * * @return array styles */ public function getFormStyle() { $prop = array( 'alignment' => $this->value['text-align'] ); if (isset($this->value['background']['color']) && is_array($this->value['background']['color'])) { $prop['fillColor'] = $this->value['background']['color']; } if (isset($this->value['border']['t']['color'])) { $prop['strokeColor'] = $this->value['border']['t']['color']; } if (isset($this->value['border']['t']['width'])) { $prop['lineWidth'] = $this->value['border']['t']['width']; } if (isset($this->value['border']['t']['type'])) { $prop['borderStyle'] = $this->value['border']['t']['type']; } if (!empty($this->value['color'])) { $prop['textColor'] = $this->value['color']; } if (!empty($this->value['font-size'])) { $prop['textSize'] = $this->value['font-size']; } return $prop; } /** * Analise the CSS style to convert it into SVG style * * @param string tag name * @param array styles * * @return array svg style */ public function getSvgStyle($tagName, &$param) { // prepare $tagName = strtolower($tagName); $id = isset($param['id']) ? strtolower(trim($param['id'])) : null; if (!$id) { $id = null; } $name = isset($param['name']) ? strtolower(trim($param['name'])) : null; if (!$name) { $name = null; } // read the class attribute $class = array(); $tmp = isset($param['class']) ? strtolower(trim($param['class'])) : ''; $tmp = explode(' ', $tmp); foreach ($tmp as $k => $v) { $v = trim($v); if ($v) { $class[] = $v; } } // identify the tag, and the direct styles $this->value['id_tag'] = $tagName; $this->value['id_name'] = $name; $this->value['id_id'] = $id; $this->value['id_class'] = $class; $this->value['id_lst'] = array(); $this->value['id_lst'][] = '*'; $this->value['id_lst'][] = $tagName; if (!isset($this->value['svg'])) { $this->value['svg'] = array( 'stroke' => null, 'stroke-width' => $this->cssConverter->convertToMM('1pt'), 'fill' => null, 'fill-opacity' => null, ); } if (count($class)) { foreach ($class as $v) { $this->value['id_lst'][] = '*.'.$v; $this->value['id_lst'][] = '.'.$v; $this->value['id_lst'][] = $tagName.'.'.$v; } } if ($id) { $this->value['id_lst'][] = '*#'.$id; $this->value['id_lst'][] = '#'.$id; $this->value['id_lst'][] = $tagName.'#'.$id; } // CSS style $styles = $this->getFromCSS(); // adding the style from the tag $styles = array_merge($styles, $param['style']); if (isset($styles['stroke'])) { $this->value['svg']['stroke'] = $this->cssConverter->convertToColor($styles['stroke'], $res); } if (isset($styles['stroke-width'])) { $this->value['svg']['stroke-width'] = $this->cssConverter->convertToMM($styles['stroke-width']); } if (isset($styles['fill'])) { $this->value['svg']['fill'] = $this->cssConverter->convertToColor($styles['fill'], $res); } if (isset($styles['fill-opacity'])) { $this->value['svg']['fill-opacity'] = 1.*$styles['fill-opacity']; } return $this->value['svg']; } /** * Analyse the CSS properties from the HTML parsing * * @param string $tagName * @param array $param * @param array $legacy * * @return boolean */ public function analyse($tagName, &$param, $legacy = null) { // prepare the informations $tagName = strtolower($tagName); $id = isset($param['id']) ? strtolower(trim($param['id'])) : null; if (!$id) { $id = null; } $name = isset($param['name']) ? strtolower(trim($param['name'])) : null; if (!$name) { $name = null; } // get the class names to use $class = array(); $tmp = isset($param['class']) ? strtolower(trim($param['class'])) : ''; $tmp = explode(' ', $tmp); // replace some values $toReplace = array( '[[page_cu]]' => $this->pdf->getMyNumPage() ); foreach ($tmp as $k => $v) { $v = trim($v); if (strlen($v)>0) { $v = str_replace(array_keys($toReplace), array_values($toReplace), $v); } if ($v) { $class[] = $v; } } // prepare the values, and the list of css tags to identify $this->value['id_tag'] = $tagName; $this->value['id_name'] = $name; $this->value['id_id'] = $id; $this->value['id_class'] = $class; $this->value['id_lst'] = array(); $this->value['id_lst'][] = '*'; $this->value['id_lst'][] = $tagName; if (count($class)) { foreach ($class as $v) { $this->value['id_lst'][] = '*.'.$v; $this->value['id_lst'][] = '.'.$v; $this->value['id_lst'][] = $tagName.'.'.$v; } } if ($id) { $this->value['id_lst'][] = '*#'.$id; $this->value['id_lst'][] = '#'.$id; $this->value['id_lst'][] = $tagName.'#'.$id; } // get the css styles from class $styles = $this->getFromCSS(); // merge with the css styles from tag $styles = array_merge($styles, $param['style']); if (isset($param['allwidth']) && !isset($styles['width'])) { $styles['width'] = '100%'; } // reset some styles, depending on the tag name $this->resetStyle($tagName); // add the legacy values if ($legacy) { foreach ($legacy as $legacyName => $legacyValue) { if (is_array($legacyValue)) { foreach ($legacyValue as $legacy2Name => $legacy2Value) { $this->value[$legacyName][$legacy2Name] = $legacy2Value; } } else { $this->value[$legacyName] = $legacyValue; } } } // some flags $correctWidth = false; $noWidth = true; // read all the css styles foreach ($styles as $nom => $val) { switch ($nom) { case 'font-family': $val = explode(',', $val); $val = trim($val[0]); $val = trim($val, '\'"'); if ($val && strtolower($val) !== 'inherit') { $this->value['font-family'] = $val; } break; case 'font-weight': $this->value['font-bold'] = ($val === 'bold'); break; case 'font-style': $this->value['font-italic'] = ($val === 'italic'); break; case 'text-decoration': $val = explode(' ', $val); $this->value['font-underline'] = (in_array('underline', $val)); $this->value['font-overline'] = (in_array('overline', $val)); $this->value['font-linethrough'] = (in_array('line-through', $val)); break; case 'text-indent': $this->value['text-indent'] = $this->cssConverter->convertToMM($val); break; case 'text-transform': if (!in_array($val, array('none', 'capitalize', 'uppercase', 'lowercase'))) { $val = 'none'; } $this->value['text-transform'] = $val; break; case 'font-size': $val = $this->cssConverter->convertFontSize($val, $this->value['font-size']); if ($val) { $this->value['font-size'] = $val; } break; case 'color': $res = null; $this->value['color'] = $this->cssConverter->convertToColor($val, $res); if ($tagName === 'hr') { $this->value['border']['l']['color'] = $this->value['color']; $this->value['border']['t']['color'] = $this->value['color']; $this->value['border']['r']['color'] = $this->value['color']; $this->value['border']['b']['color'] = $this->value['color']; } break; case 'text-align': $val = strtolower($val); if (!in_array($val, array('left', 'right', 'center', 'justify', 'li_right'))) { $val = 'left'; } $this->value['text-align'] = $val; break; case 'vertical-align': $this->value['vertical-align'] = $val; break; case 'width': $this->value['width'] = $this->cssConverter->convertToMM($val, $this->getLastWidth()); if ($this->value['width'] && substr($val, -1) === '%') { $correctWidth=true; } $noWidth = false; break; case 'max-width': $this->value[$nom] = $this->cssConverter->convertToMM($val, $this->getLastWidth()); break; case 'height': case 'max-height': $this->value[$nom] = $this->cssConverter->convertToMM($val, $this->getLastHeight()); break; case 'line-height': if (preg_match('/^[0-9\.]+$/isU', $val)) { $val = floor($val*100).'%'; } $this->value['line-height'] = $val; break; case 'rotate': if (!in_array($val, array(0, -90, 90, 180, 270, -180, -270))) { $val = null; } if ($val<0) { $val+= 360; } $this->value['rotate'] = $val; break; case 'overflow': if (!in_array($val, array('visible', 'hidden'))) { $val = 'visible'; } $this->value['overflow'] = $val; break; case 'padding': $val = explode(' ', $val); foreach ($val as $k => $v) { $v = trim($v); if ($v !== '') { $val[$k] = $v; } else { unset($val[$k]); } } $val = array_values($val); $this->duplicateBorder($val); $this->value['padding']['t'] = $this->cssConverter->convertToMM($val[0], 0); $this->value['padding']['r'] = $this->cssConverter->convertToMM($val[1], 0); $this->value['padding']['b'] = $this->cssConverter->convertToMM($val[2], 0); $this->value['padding']['l'] = $this->cssConverter->convertToMM($val[3], 0); break; case 'padding-top': $this->value['padding']['t'] = $this->cssConverter->convertToMM($val, 0); break; case 'padding-right': $this->value['padding']['r'] = $this->cssConverter->convertToMM($val, 0); break; case 'padding-bottom': $this->value['padding']['b'] = $this->cssConverter->convertToMM($val, 0); break; case 'padding-left': $this->value['padding']['l'] = $this->cssConverter->convertToMM($val, 0); break; case 'margin': if ($val === 'auto') { $this->value['margin-auto'] = true; break; } $val = explode(' ', $val); foreach ($val as $k => $v) { $v = trim($v); if ($v !== '') { $val[$k] = $v; } else { unset($val[$k]); } } $val = array_values($val); $this->duplicateBorder($val); $this->value['margin']['t'] = $this->cssConverter->convertToMM($val[0], $this->getLastHeight()); $this->value['margin']['r'] = $this->cssConverter->convertToMM($val[1], $this->getLastWidth()); $this->value['margin']['b'] = $this->cssConverter->convertToMM($val[2], $this->getLastHeight()); $this->value['margin']['l'] = $this->cssConverter->convertToMM($val[3], $this->getLastWidth()); break; case 'margin-top': $this->value['margin']['t'] = $this->cssConverter->convertToMM($val, $this->getLastHeight()); break; case 'margin-right': $this->value['margin']['r'] = $this->cssConverter->convertToMM($val, $this->getLastWidth()); break; case 'margin-bottom': $this->value['margin']['b'] = $this->cssConverter->convertToMM($val, $this->getLastHeight()); break; case 'margin-left': $this->value['margin']['l'] = $this->cssConverter->convertToMM($val, $this->getLastWidth()); break; case 'border': $val = $this->readBorder($val); $this->value['border']['t'] = $val; $this->value['border']['r'] = $val; $this->value['border']['b'] = $val; $this->value['border']['l'] = $val; break; case 'border-style': $val = explode(' ', $val); foreach ($val as $valK => $valV) { if (!in_array($valV, array('solid', 'dotted', 'dashed'))) { $val[$valK] = null; } } $this->duplicateBorder($val); if ($val[0]) { $this->value['border']['t']['type'] = $val[0]; } if ($val[1]) { $this->value['border']['r']['type'] = $val[1]; } if ($val[2]) { $this->value['border']['b']['type'] = $val[2]; } if ($val[3]) { $this->value['border']['l']['type'] = $val[3]; } break; case 'border-top-style': if (in_array($val, array('solid', 'dotted', 'dashed'))) { $this->value['border']['t']['type'] = $val; } break; case 'border-right-style': if (in_array($val, array('solid', 'dotted', 'dashed'))) { $this->value['border']['r']['type'] = $val; } break; case 'border-bottom-style': if (in_array($val, array('solid', 'dotted', 'dashed'))) { $this->value['border']['b']['type'] = $val; } break; case 'border-left-style': if (in_array($val, array('solid', 'dotted', 'dashed'))) { $this->value['border']['l']['type'] = $val; } break; case 'border-color': $res = false; $val = preg_replace('/,[\s]+/', ',', $val); $val = explode(' ', $val); foreach ($val as $valK => $valV) { $val[$valK] = $this->cssConverter->convertToColor($valV, $res); if (!$res) { $val[$valK] = null; } } $this->duplicateBorder($val); if (is_array($val[0])) { $this->value['border']['t']['color'] = $val[0]; } if (is_array($val[1])) { $this->value['border']['r']['color'] = $val[1]; } if (is_array($val[2])) { $this->value['border']['b']['color'] = $val[2]; } if (is_array($val[3])) { $this->value['border']['l']['color'] = $val[3]; } break; case 'border-top-color': $res = false; $val = $this->cssConverter->convertToColor($val, $res); if ($res) { $this->value['border']['t']['color'] = $val; } break; case 'border-right-color': $res = false; $val = $this->cssConverter->convertToColor($val, $res); if ($res) { $this->value['border']['r']['color'] = $val; } break; case 'border-bottom-color': $res = false; $val = $this->cssConverter->convertToColor($val, $res); if ($res) { $this->value['border']['b']['color'] = $val; } break; case 'border-left-color': $res = false; $val = $this->cssConverter->convertToColor($val, $res); if ($res) { $this->value['border']['l']['color'] = $val; } break; case 'border-width': $val = explode(' ', $val); foreach ($val as $valK => $valV) { $val[$valK] = $this->cssConverter->convertToMM($valV, 0); } $this->duplicateBorder($val); if ($val[0]) { $this->value['border']['t']['width'] = $val[0]; } if ($val[1]) { $this->value['border']['r']['width'] = $val[1]; } if ($val[2]) { $this->value['border']['b']['width'] = $val[2]; } if ($val[3]) { $this->value['border']['l']['width'] = $val[3]; } break; case 'border-top-width': $val = $this->cssConverter->convertToMM($val, 0); if ($val) { $this->value['border']['t']['width'] = $val; } break; case 'border-right-width': $val = $this->cssConverter->convertToMM($val, 0); if ($val) { $this->value['border']['r']['width'] = $val; } break; case 'border-bottom-width': $val = $this->cssConverter->convertToMM($val, 0); if ($val) { $this->value['border']['b']['width'] = $val; } break; case 'border-left-width': $val = $this->cssConverter->convertToMM($val, 0); if ($val) { $this->value['border']['l']['width'] = $val; } break; case 'border-collapse': if ($tagName === 'table') { $this->value['border']['collapse'] = ($val === 'collapse'); } break; case 'border-radius': $val = explode('/', $val); if (count($val)>2) { break; } $valH = $this->cssConverter->convertToRadius(trim($val[0])); if (count($valH)<1 || count($valH)>4) { break; } if (!isset($valH[1])) { $valH[1] = $valH[0]; } if (!isset($valH[2])) { $valH = array($valH[0], $valH[0], $valH[1], $valH[1]); } if (!isset($valH[3])) { $valH[3] = $valH[1]; } if (isset($val[1])) { $valV = $this->cssConverter->convertToRadius(trim($val[1])); if (count($valV)<1 || count($valV)>4) { break; } if (!isset($valV[1])) { $valV[1] = $valV[0]; } if (!isset($valV[2])) { $valV = array($valV[0], $valV[0], $valV[1], $valV[1]); } if (!isset($valV[3])) { $valV[3] = $valV[1]; } } else { $valV = $valH; } $this->value['border']['radius'] = array( 'tl' => array($valH[0], $valV[0]), 'tr' => array($valH[1], $valV[1]), 'br' => array($valH[2], $valV[2]), 'bl' => array($valH[3], $valV[3]) ); break; case 'border-top-left-radius': $val = $this->cssConverter->convertToRadius($val); if (count($val)<1 || count($val)>2) { break; } $this->value['border']['radius']['tl'] = array($val[0], isset($val[1]) ? $val[1] : $val[0]); break; case 'border-top-right-radius': $val = $this->cssConverter->convertToRadius($val); if (count($val)<1 || count($val)>2) { break; } $this->value['border']['radius']['tr'] = array($val[0], isset($val[1]) ? $val[1] : $val[0]); break; case 'border-bottom-right-radius': $val = $this->cssConverter->convertToRadius($val); if (count($val)<1 || count($val)>2) { break; } $this->value['border']['radius']['br'] = array($val[0], isset($val[1]) ? $val[1] : $val[0]); break; case 'border-bottom-left-radius': $val = $this->cssConverter->convertToRadius($val); if (count($val)<1 || count($val)>2) { break; } $this->value['border']['radius']['bl'] = array($val[0], isset($val[1]) ? $val[1] : $val[0]); break; case 'border-top': $this->value['border']['t'] = $this->readBorder($val); break; case 'border-right': $this->value['border']['r'] = $this->readBorder($val); break; case 'border-bottom': $this->value['border']['b'] = $this->readBorder($val); break; case 'border-left': $this->value['border']['l'] = $this->readBorder($val); break; case 'background-color': $this->value['background']['color'] = $this->cssConverter->convertBackgroundColor($val); break; case 'background-image': $this->value['background']['image'] = $this->cssConverter->convertBackgroundImage($val); break; case 'background-position': $res = null; $this->value['background']['position'] = $this->cssConverter->convertBackgroundPosition($val, $res); break; case 'background-repeat': $this->value['background']['repeat'] = $this->cssConverter->convertBackgroundRepeat($val); break; case 'background': $this->cssConverter->convertBackground($val, $this->value['background']); break; case 'position': if ($val === 'absolute') { $this->value['position'] = 'absolute'; } elseif ($val === 'relative') { $this->value['position'] = 'relative'; } else { $this->value['position'] = null; } break; case 'float': if ($val === 'left') { $this->value['float'] = 'left'; } elseif ($val === 'right') { $this->value['float'] = 'right'; } else { $this->value['float'] = null; } break; case 'display': if ($val === 'inline') { $this->value['display'] = 'inline'; } elseif ($val === 'block') { $this->value['display'] = 'block'; } elseif ($val === 'none') { $this->value['display'] = 'none'; } else { $this->value['display'] = null; } break; case 'top': case 'bottom': case 'left': case 'right': $this->value[$nom] = $val; break; case 'list-style': case 'list-style-type': case 'list-style-image': if ($nom === 'list-style') { $nom = 'list-style-type'; } $this->value[$nom] = $val; break; case 'page-break-before': case 'page-break-after': $this->value[$nom] = $val; break; case 'start': $this->value[$nom] = intval($val); break; default: break; } } $return = true; // only for P tag if ($this->value['margin']['t'] === null) { $this->value['margin']['t'] = $this->value['font-size']; } if ($this->value['margin']['b'] === null) { $this->value['margin']['b'] = $this->value['font-size']; } // force the text align to left, if asked by html2pdf if ($this->onlyLeft) { $this->value['text-align'] = 'left'; } // correction on the width (quick box) if ($noWidth && in_array($tagName, array('div', 'blockquote', 'fieldset')) && $this->value['position'] !== 'absolute' ) { $this->value['width'] = $this->getLastWidth(); $this->value['width']-= $this->value['margin']['l'] + $this->value['margin']['r']; } else { if ($correctWidth) { if (!in_array($tagName, array('table', 'div', 'blockquote', 'fieldset', 'hr'))) { $this->value['width']-= $this->value['padding']['l'] + $this->value['padding']['r']; $this->value['width']-= $this->value['border']['l']['width'] + $this->value['border']['r']['width']; } if (in_array($tagName, array('th', 'td'))) { $this->value['width']-= $this->cssConverter->convertToMM(isset($param['cellspacing']) ? $param['cellspacing'] : '2px'); $return = false; } if ($this->value['width']<0) { $this->value['width']=0; } } else { if ($this->value['width']) { if ($this->value['border']['l']['width']) { $this->value['width'] += $this->value['border']['l']['width']; } if ($this->value['border']['r']['width']) { $this->value['width'] += $this->value['border']['r']['width']; } if ($this->value['padding']['l']) { $this->value['width'] += $this->value['padding']['l']; } if ($this->value['padding']['r']) { $this->value['width'] += $this->value['padding']['r']; } } } } if ($this->value['height']) { if ($this->value['border']['b']['width']) { $this->value['height'] += $this->value['border']['b']['width']; } if ($this->value['border']['t']['width']) { $this->value['height'] += $this->value['border']['t']['width']; } if ($this->value['padding']['b']) { $this->value['height'] += $this->value['padding']['b']; } if ($this->value['padding']['t']) { $this->value['height'] += $this->value['padding']['t']; } } if ($this->value['top'] != null) { $this->value['top'] = $this->cssConverter->convertToMM($this->value['top'], $this->getLastHeight(true)); } if ($this->value['bottom'] != null) { $this->value['bottom'] = $this->cssConverter->convertToMM($this->value['bottom'], $this->getLastHeight(true)); } if ($this->value['left'] != null) { $this->value['left'] = $this->cssConverter->convertToMM($this->value['left'], $this->getLastWidth(true)); } if ($this->value['right'] != null) { $this->value['right'] = $this->cssConverter->convertToMM($this->value['right'], $this->getLastWidth(true)); } if ($this->value['top'] && $this->value['bottom'] && $this->value['height']) { $this->value['bottom'] = null; } if ($this->value['left'] && $this->value['right'] && $this->value['width']) { $this->value['right'] = null; } return $return; } /** * Get the height of the current line * * @return float height in mm */ public function getLineHeight() { $val = $this->value['line-height']; if ($val === 'normal') { $val = '108%'; } return $this->cssConverter->convertToMM($val, $this->value['font-size']); } /** * Get the width of the parent * * @param boolean $mode true => adding padding and border * * @return float width in mm */ public function getLastWidth($mode = false) { for ($k=count($this->table)-1; $k>=0; $k--) { if ($this->table[$k]['width']) { $w = $this->table[$k]['width']; if ($mode) { $w+= $this->table[$k]['border']['l']['width'] + $this->table[$k]['padding']['l'] + 0.02; $w+= $this->table[$k]['border']['r']['width'] + $this->table[$k]['padding']['r'] + 0.02; } return $w; } } return $this->pdf->getW() - $this->pdf->getlMargin() - $this->pdf->getrMargin(); } /** * Get the height of the parent * * @param boolean $mode true => adding padding and border * * @return float height in mm */ public function getLastHeight($mode = false) { for ($k=count($this->table)-1; $k>=0; $k--) { if ($this->table[$k]['height']) { $h = $this->table[$k]['height']; if ($mode) { $h+= $this->table[$k]['border']['t']['width'] + $this->table[$k]['padding']['t'] + 0.02; $h+= $this->table[$k]['border']['b']['width'] + $this->table[$k]['padding']['b'] + 0.02; } return $h; } } return $this->pdf->getH() - $this->pdf->gettMargin() - $this->pdf->getbMargin(); } /** * Get the value of the float property * * @return string left/right */ public function getFloat() { if ($this->value['float'] === 'left') { return 'left'; } if ($this->value['float'] === 'right') { return 'right'; } return null; } /** * Get the last value for a specific key * * @param string $key * * @return mixed */ public function getLastValue($key) { $nb = count($this->table); if ($nb>0) { return $this->table[$nb-1][$key]; } else { return null; } } /** * Get the last absolute X * * @return float x */ protected function getLastAbsoluteX() { for ($k=count($this->table)-1; $k>=0; $k--) { if ($this->table[$k]['x'] && $this->table[$k]['position']) { return $this->table[$k]['x']; } } return $this->pdf->getlMargin(); } /** * Get the last absolute Y * * @return float y */ protected function getLastAbsoluteY() { for ($k=count($this->table)-1; $k>=0; $k--) { if ($this->table[$k]['y'] && $this->table[$k]['position']) { return $this->table[$k]['y']; } } return $this->pdf->gettMargin(); } /** * Get the CSS properties of the current tag * * @return array styles */ protected function getFromCSS() { // styles to apply $styles = array(); // list of the selectors to get in the CSS files $getit = array(); // get the list of the selectors of each tags $lst = array(); $lst[] = $this->value['id_lst']; for ($i=count($this->table)-1; $i>=0; $i--) { $lst[] = $this->table[$i]['id_lst']; } // foreach selectors in the CSS files, verify if it match with the list of selectors foreach ($this->cssKeys as $key => $num) { if ($this->getReccursiveStyle($key, $lst)) { $getit[$key] = $num; } } // if we have selectors if (count($getit)) { // get them, but in the definition order, because of priority asort($getit); foreach ($getit as $key => $val) { $styles = array_merge($styles, $this->css[$key]); } } return $styles; } /** * Identify if the selector $key match with the list of tag selectors * * @param string $key CSS selector to analyse * @param array $lst list of the selectors of each tags * @param string $next next step of parsing the selector * * @return boolean */ protected function getReccursiveStyle($key, $lst, $next = null) { // if next step if ($next !== null) { // we remove this step if ($next) { $key = trim(substr($key, 0, -strlen($next))); } array_shift($lst); // if no more step to identify => return false if (!count($lst)) { return false; } } // for each selector of the current step foreach ($lst[0] as $name) { // if selector = key => ok if ($key == $name) { return true; } // if the end of the key = the selector and the next step is ok => ok if (substr($key, -strlen(' '.$name)) === ' '.$name && $this->getReccursiveStyle($key, $lst, $name)) { return true; } } // if we are not in the first step, we analyse the sub steps (the pareng tag of the current tag) if ($next !== null && $this->getReccursiveStyle($key, $lst, '')) { return true; } // no corresponding found return false; } /** * Analyse a border * * @param string $css css border properties * * @return array border properties */ public function readBorder($css) { // border none $none = array('type' => 'none', 'width' => 0, 'color' => array(0, 0, 0)); // default value $type = 'solid'; $width = $this->cssConverter->convertToMM('1pt'); $color = array(0, 0, 0); // clean up the values $css = explode(' ', $css); foreach ($css as $k => $v) { $v = trim($v); if ($v !== '') { $css[$k] = $v; } else { unset($css[$k]); } } $css = array_values($css); // read the values $res = null; foreach ($css as $value) { // if no border => return none if ($value === 'none' || $value === 'hidden') { return $none; } // try to convert the value as a distance $tmp = $this->cssConverter->convertToMM($value); // if the convert is ok => it is a width if ($tmp !== null) { $width = $tmp; // else, it could be the type } elseif (in_array($value, array('solid', 'dotted', 'dashed', 'double'))) { $type = $value; // else, it could be the color } else { $tmp = $this->cssConverter->convertToColor($value, $res); if ($res) { $color = $tmp; } } } // if no witdh => return none if (!$width) { return $none; } // return the border properties return array('type' => $type, 'width' => $width, 'color' => $color); } /** * Duplicate the borders if needed * * @param &array $val * * @return void */ protected function duplicateBorder(&$val) { // 1 value => L => RTB if (count($val) == 1) { $val[1] = $val[0]; $val[2] = $val[0]; $val[3] = $val[0]; // 2 values => L => R & T => B } elseif (count($val) == 2) { $val[2] = $val[0]; $val[3] = $val[1]; // 3 values => T => B } elseif (count($val) == 3) { $val[3] = $val[1]; } } /** * Read a css content * * @param &string $code * * @return void */ protected function analyseStyle($code) { // clean the spaces $code = preg_replace('/[\s]+/', ' ', $code); // remove the comments $code = preg_replace('/\/\*.*?\*\//s', '', $code); // split each CSS code "selector { value }" preg_match_all('/([^{}]+){([^}]*)}/isU', $code, $match); // for each CSS code $amountMatch = count($match[0]); for ($k = 0; $k < $amountMatch; $k++) { // selectors $names = strtolower(trim($match[1][$k])); // css style $styles = trim($match[2][$k]); // explode each value $styles = explode(';', $styles); // parse each value $css = array(); foreach ($styles as $style) { $tmp = explode(':', $style); if (count($tmp) > 1) { $cod = $tmp[0]; unset($tmp[0]); $tmp = implode(':', $tmp); $css[trim(strtolower($cod))] = trim($tmp); } } // explode the names $names = explode(',', $names); // save the values for each names foreach ($names as $name) { // clean the name $name = trim($name); // if a selector with something like :hover => continue if (strpos($name, ':') !== false) { continue; } // save the value if (!isset($this->css[$name])) { $this->css[$name] = $css; } else { $this->css[$name] = array_merge($this->css[$name], $css); } } } // get he list of the keys $this->cssKeys = array_flip(array_keys($this->css)); } /** * Extract the css files from a html code * * @param string $html * * @return string */ public function extractStyle($html) { // the CSS content $style = ' '; // extract the link tags, and remove them in the html code preg_match_all('/]*)>/isU', $html, $match); $html = preg_replace('/]*>/isU', '', $html); $html = preg_replace('/<\/link[^>]*>/isU', '', $html); // analyse each link tag foreach ($match[1] as $code) { $tmp = $this->tagParser->extractTagAttributes($code); // if type text/css => we keep it if (isset($tmp['type']) && strtolower($tmp['type']) === 'text/css' && isset($tmp['href'])) { // get the href $url = $tmp['href']; // get the content of the css file $content = @file_get_contents($url); // if "http://" in the url if (strpos($url, 'http://') !== false) { // get the domain "http://xxx/" $url = str_replace('http://', '', $url); $url = explode('/', $url); $urlMain = 'http://'.$url[0].'/'; // get the absolute url of the path $urlSelf = $url; unset($urlSelf[count($urlSelf)-1]); $urlSelf = 'http://'.implode('/', $urlSelf).'/'; // adapt the url in the css content $content = preg_replace('/url\(([^\\\\][^)]*)\)/isU', 'url('.$urlSelf.'$1)', $content); $content = preg_replace('/url\((\\\\[^)]*)\)/isU', 'url('.$urlMain.'$1)', $content); } else { // @TODO correction on url in absolute on a local css content // $content = preg_replace('/url\(([^)]*)\)/isU', 'url('.dirname($url).'/$1)', $content); } // add to the CSS content $style.= $content."\n"; } } // extract the style tags des tags style, and remove them in the html code preg_match_all('/]*>(.*)<\/style[^>]*>/isU', $html, $match); $html = preg_replace_callback('/]*>(.*)<\/style[^>]*>/isU', [$this, 'removeStyleTag'], $html); // analyse each style tags foreach ($match[1] as $code) { // add to the CSS content $code = str_replace('', '', $code); $style.= $code."\n"; } //analyse the css content $this->analyseStyle($style); return $html; } /** * put the same line number for the lexer * @param string[] $match * @return string */ private function removeStyleTag(array $match) { $nbLines = count(explode("\n", $match[0]))-1; return str_pad('', $nbLines, "\n"); } }