593 lines
15 KiB
PHP
593 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* @package dompdf
|
|
* @link http://dompdf.github.com/
|
|
* @author Benj Carson <benjcarson@digitaljunkies.ca>
|
|
* @author Fabien Ménager <fabien.menager@gmail.com>
|
|
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
|
|
*/
|
|
|
|
/**
|
|
* Translates HTML 4.0 attributes into CSS rules
|
|
*
|
|
* @package dompdf
|
|
*/
|
|
class Attribute_Translator {
|
|
static $_style_attr = "_html_style_attribute";
|
|
|
|
// Munged data originally from
|
|
// http://www.w3.org/TR/REC-html40/index/attributes.html
|
|
// http://www.cs.tut.fi/~jkorpela/html2css.html
|
|
static private $__ATTRIBUTE_LOOKUP = array(
|
|
//'caption' => array ( 'align' => '', ),
|
|
'img' => array(
|
|
'align' => array(
|
|
'bottom' => 'vertical-align: baseline;',
|
|
'middle' => 'vertical-align: middle;',
|
|
'top' => 'vertical-align: top;',
|
|
'left' => 'float: left;',
|
|
'right' => 'float: right;'
|
|
),
|
|
'border' => 'border: %0.2F px solid;',
|
|
'height' => 'height: %s px;',
|
|
'hspace' => 'padding-left: %1$0.2F px; padding-right: %1$0.2F px;',
|
|
'vspace' => 'padding-top: %1$0.2F px; padding-bottom: %1$0.2F px;',
|
|
'width' => 'width: %s px;',
|
|
),
|
|
'table' => array(
|
|
'align' => array(
|
|
'left' => 'margin-left: 0; margin-right: auto;',
|
|
'center' => 'margin-left: auto; margin-right: auto;',
|
|
'right' => 'margin-left: auto; margin-right: 0;'
|
|
),
|
|
'bgcolor' => 'background-color: %s;',
|
|
'border' => '!set_table_border',
|
|
'cellpadding' => '!set_table_cellpadding',//'border-spacing: %0.2F; border-collapse: separate;',
|
|
'cellspacing' => '!set_table_cellspacing',
|
|
'frame' => array(
|
|
'void' => 'border-style: none;',
|
|
'above' => 'border-top-style: solid;',
|
|
'below' => 'border-bottom-style: solid;',
|
|
'hsides' => 'border-left-style: solid; border-right-style: solid;',
|
|
'vsides' => 'border-top-style: solid; border-bottom-style: solid;',
|
|
'lhs' => 'border-left-style: solid;',
|
|
'rhs' => 'border-right-style: solid;',
|
|
'box' => 'border-style: solid;',
|
|
'border' => 'border-style: solid;'
|
|
),
|
|
'rules' => '!set_table_rules',
|
|
'width' => 'width: %s;',
|
|
),
|
|
'hr' => array(
|
|
'align' => '!set_hr_align', // Need to grab width to set 'left' & 'right' correctly
|
|
'noshade' => 'border-style: solid;',
|
|
'size' => '!set_hr_size', //'border-width: %0.2F px;',
|
|
'width' => 'width: %s;',
|
|
),
|
|
'div' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h1' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h2' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h3' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h4' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h5' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'h6' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
'p' => array(
|
|
'align' => 'text-align: %s;',
|
|
),
|
|
// 'col' => array(
|
|
// 'align' => '',
|
|
// 'valign' => '',
|
|
// ),
|
|
// 'colgroup' => array(
|
|
// 'align' => '',
|
|
// 'valign' => '',
|
|
// ),
|
|
'tbody' => array(
|
|
'align' => '!set_table_row_align',
|
|
'valign' => '!set_table_row_valign',
|
|
),
|
|
'td' => array(
|
|
'align' => 'text-align: %s;',
|
|
'bgcolor' => '!set_background_color',
|
|
'height' => 'height: %s;',
|
|
'nowrap' => 'white-space: nowrap;',
|
|
'valign' => 'vertical-align: %s;',
|
|
'width' => 'width: %s;',
|
|
),
|
|
'tfoot' => array(
|
|
'align' => '!set_table_row_align',
|
|
'valign' => '!set_table_row_valign',
|
|
),
|
|
'th' => array(
|
|
'align' => 'text-align: %s;',
|
|
'bgcolor' => '!set_background_color',
|
|
'height' => 'height: %s;',
|
|
'nowrap' => 'white-space: nowrap;',
|
|
'valign' => 'vertical-align: %s;',
|
|
'width' => 'width: %s;',
|
|
),
|
|
'thead' => array(
|
|
'align' => '!set_table_row_align',
|
|
'valign' => '!set_table_row_valign',
|
|
),
|
|
'tr' => array(
|
|
'align' => '!set_table_row_align',
|
|
'bgcolor' => '!set_table_row_bgcolor',
|
|
'valign' => '!set_table_row_valign',
|
|
),
|
|
'body' => array(
|
|
'background' => 'background-image: url(%s);',
|
|
'bgcolor' => '!set_background_color',
|
|
'link' => '!set_body_link',
|
|
'text' => '!set_color',
|
|
),
|
|
'br' => array(
|
|
'clear' => 'clear: %s;',
|
|
),
|
|
'basefont' => array(
|
|
'color' => '!set_color',
|
|
'face' => 'font-family: %s;',
|
|
'size' => '!set_basefont_size',
|
|
),
|
|
'font' => array(
|
|
'color' => '!set_color',
|
|
'face' => 'font-family: %s;',
|
|
'size' => '!set_font_size',
|
|
),
|
|
'dir' => array(
|
|
'compact' => 'margin: 0.5em 0;',
|
|
),
|
|
'dl' => array(
|
|
'compact' => 'margin: 0.5em 0;',
|
|
),
|
|
'menu' => array(
|
|
'compact' => 'margin: 0.5em 0;',
|
|
),
|
|
'ol' => array(
|
|
'compact' => 'margin: 0.5em 0;',
|
|
'start' => 'counter-reset: -dompdf-default-counter %d;',
|
|
'type' => 'list-style-type: %s;',
|
|
),
|
|
'ul' => array(
|
|
'compact' => 'margin: 0.5em 0;',
|
|
'type' => 'list-style-type: %s;',
|
|
),
|
|
'li' => array(
|
|
'type' => 'list-style-type: %s;',
|
|
'value' => 'counter-reset: -dompdf-default-counter %d;',
|
|
),
|
|
'pre' => array(
|
|
'width' => 'width: %s;',
|
|
),
|
|
);
|
|
|
|
static protected $_last_basefont_size = 3;
|
|
static protected $_font_size_lookup = array(
|
|
// For basefont support
|
|
-3 => "4pt",
|
|
-2 => "5pt",
|
|
-1 => "6pt",
|
|
0 => "7pt",
|
|
|
|
1 => "8pt",
|
|
2 => "10pt",
|
|
3 => "12pt",
|
|
4 => "14pt",
|
|
5 => "18pt",
|
|
6 => "24pt",
|
|
7 => "34pt",
|
|
|
|
// For basefont support
|
|
8 => "48pt",
|
|
9 => "44pt",
|
|
10 => "52pt",
|
|
11 => "60pt",
|
|
);
|
|
|
|
/**
|
|
* @param Frame $frame
|
|
*/
|
|
static function translate_attributes(Frame $frame) {
|
|
$node = $frame->get_node();
|
|
$tag = $node->nodeName;
|
|
|
|
if ( !isset(self::$__ATTRIBUTE_LOOKUP[$tag]) ) {
|
|
return;
|
|
}
|
|
|
|
$valid_attrs = self::$__ATTRIBUTE_LOOKUP[$tag];
|
|
$attrs = $node->attributes;
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), "; ");
|
|
if ( $style != "" ) {
|
|
$style .= ";";
|
|
}
|
|
|
|
foreach ($attrs as $attr => $attr_node ) {
|
|
if ( !isset($valid_attrs[$attr]) ) {
|
|
continue;
|
|
}
|
|
|
|
$value = $attr_node->value;
|
|
|
|
$target = $valid_attrs[$attr];
|
|
|
|
// Look up $value in $target, if $target is an array:
|
|
if ( is_array($target) ) {
|
|
if ( isset($target[$value]) ) {
|
|
$style .= " " . self::_resolve_target($node, $target[$value], $value);
|
|
}
|
|
}
|
|
else {
|
|
// otherwise use target directly
|
|
$style .= " " . self::_resolve_target($node, $target, $value);
|
|
}
|
|
}
|
|
|
|
if ( !is_null($style) ) {
|
|
$style = ltrim($style);
|
|
$node->setAttribute(self::$_style_attr, $style);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @param DOMNode $node
|
|
* @param string $target
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _resolve_target(DOMNode $node, $target, $value) {
|
|
if ( $target[0] === "!" ) {
|
|
// Function call
|
|
$func = "_" . mb_substr($target, 1);
|
|
return self::$func($node, $value);
|
|
}
|
|
|
|
return $value ? sprintf($target, $value) : "";
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $new_style
|
|
*/
|
|
static function append_style(DOMElement $node, $new_style) {
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), ";");
|
|
$style .= $new_style;
|
|
$style = ltrim($style, ";");
|
|
$node->setAttribute(self::$_style_attr, $style);
|
|
}
|
|
|
|
/**
|
|
* @param DOMNode $node
|
|
*
|
|
* @return DOMNodeList|DOMElement[]
|
|
*/
|
|
static protected function get_cell_list(DOMNode $node) {
|
|
$xpath = new DOMXpath($node->ownerDocument);
|
|
|
|
switch($node->nodeName) {
|
|
default:
|
|
case "table":
|
|
$query = "tr/td | thead/tr/td | tbody/tr/td | tfoot/tr/td | tr/th | thead/tr/th | tbody/tr/th | tfoot/tr/th";
|
|
break;
|
|
|
|
case "tbody":
|
|
case "tfoot":
|
|
case "thead":
|
|
$query = "tr/td | tr/th";
|
|
break;
|
|
|
|
case "tr":
|
|
$query = "td | th";
|
|
break;
|
|
}
|
|
|
|
return $xpath->query($query, $node);
|
|
}
|
|
|
|
/**
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _get_valid_color($value) {
|
|
if ( preg_match('/^#?([0-9A-F]{6})$/i', $value, $matches) ) {
|
|
$value = "#$matches[1]";
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_color(DOMElement $node, $value) {
|
|
$value = self::_get_valid_color($value);
|
|
return "color: $value;";
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_background_color(DOMElement $node, $value) {
|
|
$value = self::_get_valid_color($value);
|
|
return "background-color: $value;";
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_table_cellpadding(DOMElement $node, $value) {
|
|
$cell_list = self::get_cell_list($node);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
self::append_style($cell, "; padding: {$value}px;");
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_table_border(DOMElement $node, $value) {
|
|
$cell_list = self::get_cell_list($node);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
$style = rtrim($cell->getAttribute(self::$_style_attr));
|
|
$style .= "; border-width: " . ($value > 0 ? 1 : 0) . "pt; border-style: inset;";
|
|
$style = ltrim($style, ";");
|
|
$cell->setAttribute(self::$_style_attr, $style);
|
|
}
|
|
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), ";");
|
|
$style .= "; border-width: $value" . "px; ";
|
|
return ltrim($style, "; ");
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_table_cellspacing(DOMElement $node, $value) {
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), ";");
|
|
|
|
if ( $value == 0 ) {
|
|
$style .= "; border-collapse: collapse;";
|
|
}
|
|
else {
|
|
$style .= "; border-spacing: {$value}px; border-collapse: separate;";
|
|
}
|
|
|
|
return ltrim($style, ";");
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null|string
|
|
*/
|
|
static protected function _set_table_rules(DOMElement $node, $value) {
|
|
$new_style = "; border-collapse: collapse;";
|
|
|
|
switch ($value) {
|
|
case "none":
|
|
$new_style .= "border-style: none;";
|
|
break;
|
|
|
|
case "groups":
|
|
// FIXME: unsupported
|
|
return null;
|
|
|
|
case "rows":
|
|
$new_style .= "border-style: solid none solid none; border-width: 1px; ";
|
|
break;
|
|
|
|
case "cols":
|
|
$new_style .= "border-style: none solid none solid; border-width: 1px; ";
|
|
break;
|
|
|
|
case "all":
|
|
$new_style .= "border-style: solid; border-width: 1px; ";
|
|
break;
|
|
|
|
default:
|
|
// Invalid value
|
|
return null;
|
|
}
|
|
|
|
$cell_list = self::get_cell_list($node);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
$style = $cell->getAttribute(self::$_style_attr);
|
|
$style .= $new_style;
|
|
$cell->setAttribute(self::$_style_attr, $style);
|
|
}
|
|
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), ";");
|
|
$style .= "; border-collapse: collapse; ";
|
|
|
|
return ltrim($style, "; ");
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_hr_size(DOMElement $node, $value) {
|
|
$style = rtrim($node->getAttribute(self::$_style_attr), ";");
|
|
$style .= "; border-width: ".max(0, $value-2)."; ";
|
|
return ltrim($style, "; ");
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null|string
|
|
*/
|
|
static protected function _set_hr_align(DOMElement $node, $value) {
|
|
$style = rtrim($node->getAttribute(self::$_style_attr),";");
|
|
$width = $node->getAttribute("width");
|
|
|
|
if ( $width == "" ) {
|
|
$width = "100%";
|
|
}
|
|
|
|
$remainder = 100 - (double)rtrim($width, "% ");
|
|
|
|
switch ($value) {
|
|
case "left":
|
|
$style .= "; margin-right: $remainder %;";
|
|
break;
|
|
|
|
case "right":
|
|
$style .= "; margin-left: $remainder %;";
|
|
break;
|
|
|
|
case "center":
|
|
$style .= "; margin-left: auto; margin-right: auto;";
|
|
break;
|
|
|
|
default:
|
|
return null;
|
|
}
|
|
|
|
return ltrim($style, "; ");
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_table_row_align(DOMElement $node, $value) {
|
|
$cell_list = self::get_cell_list($node);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
self::append_style($cell, "; text-align: $value;");
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_table_row_valign(DOMElement $node, $value) {
|
|
$cell_list = self::get_cell_list($node);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
self::append_style($cell, "; vertical-align: $value;");
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_table_row_bgcolor(DOMElement $node, $value) {
|
|
$cell_list = self::get_cell_list($node);
|
|
$value = self::_get_valid_color($value);
|
|
|
|
foreach ($cell_list as $cell) {
|
|
self::append_style($cell, "; background-color: $value;");
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_body_link(DOMElement $node, $value) {
|
|
$a_list = $node->getElementsByTagName("a");
|
|
$value = self::_get_valid_color($value);
|
|
|
|
foreach ($a_list as $a) {
|
|
self::append_style($a, "; color: $value;");
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return null
|
|
*/
|
|
static protected function _set_basefont_size(DOMElement $node, $value) {
|
|
// FIXME: ? we don't actually set the font size of anything here, just
|
|
// the base size for later modification by <font> tags.
|
|
self::$_last_basefont_size = $value;
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param DOMElement $node
|
|
* @param string $value
|
|
*
|
|
* @return string
|
|
*/
|
|
static protected function _set_font_size(DOMElement $node, $value) {
|
|
$style = $node->getAttribute(self::$_style_attr);
|
|
|
|
if ( $value[0] === "-" || $value[0] === "+" ) {
|
|
$value = self::$_last_basefont_size + (int)$value;
|
|
}
|
|
|
|
if ( isset(self::$_font_size_lookup[$value]) ) {
|
|
$style .= "; font-size: " . self::$_font_size_lookup[$value] . ";";
|
|
}
|
|
else {
|
|
$style .= "; font-size: $value;";
|
|
}
|
|
|
|
return ltrim($style, "; ");
|
|
}
|
|
}
|