function parse($value, &$pipeline)
{
global $g_config;
if (!$g_config['renderimages']) {
return CSSListStyleImage::default_value();
}
if (preg_match('/url\\(([^)]+)\\)/', $value, $matches)) {
$url = $matches[1];
$full_url = $pipeline->guess_url(css_remove_value_quotes($url));
return new ListStyleImage($full_url, Image::get($full_url, $pipeline));
}
return CSSListStyleImage::default_value();
}
function parse($value, &$pipeline)
{
global $g_config;
if (!$g_config['renderimages']) {
return CSSBackgroundImage::default_value();
}
// 'url' value
if (preg_match("/url\\((.*[^\\\\]?)\\)/is", $value, $matches)) {
$url = $matches[1];
$full_url = $pipeline->guess_url(css_remove_value_quotes($url));
return new BackgroundImage($full_url, Image::get($full_url, $pipeline));
}
// 'none' and unrecognzed values
return CSSBackgroundImage::default_value();
}
function parse($value, &$pipeline)
{
if ($value === 'inherit') {
return CSS_PROPERTY_INHERIT;
}
global $g_config;
if (!$g_config['renderimages']) {
return CSSListStyleImage::default_value();
}
if (preg_match('/url\\(([^)]+)\\)/', $value, $matches)) {
$url = $matches[1];
$full_url = $pipeline->guess_url(css_remove_value_quotes($url));
return new ListStyleImage($full_url, ImageFactory::get($full_url, $pipeline));
}
/**
* 'none' value and all unrecognized values
*/
return CSSListStyleImage::default_value();
}
function parse_css_import($import, &$pipeline)
{
if (preg_match("/@import\\s+[\"'](.*)[\"'];/", $import, $matches)) {
// @import "<url>"
$this->css_import(trim($matches[1]), $pipeline);
} elseif (preg_match("/@import\\s+url\\((.*)\\);/", $import, $matches)) {
// @import url()
$this->css_import(trim(css_remove_value_quotes($matches[1])), $pipeline);
} elseif (preg_match("/@import\\s+(.*);/", $import, $matches)) {
// @import <url>
$this->css_import(trim(css_remove_value_quotes($matches[1])), $pipeline);
}
}
function parse_css_selector($raw_selector)
{
// Note a 'trim' call. Is is required as there could be leading/trailing spaces in $raw_selector
//
$raw_selector = strtolower(trim($raw_selector));
// Direct Parent/child selectors (for example 'table > tr')
if (preg_match("/^(\\S.*)\\s*>\\s*([^\\s]+)\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[2]), array(SELECTOR_DIRECT_PARENT, parse_css_selector($matches[1]))));
}
// Parent/child selectors (for example 'table td')
if (preg_match("/^(\\S.*)\\s+([^\\s]+)\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[2]), array(SELECTOR_PARENT, parse_css_selector($matches[1]))));
}
if (preg_match("/^(.+)\\[(" . SELECTOR_ATTR_REGEXP . ")\\]\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_ATTR, $matches[2])));
}
if (preg_match("/^(.+)\\[" . SELECTOR_ATTR_VALUE_REGEXP . "\\]\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_ATTR_VALUE, $matches[2], css_remove_value_quotes($matches[3]))));
}
if (preg_match("/^(.+)\\[" . SELECTOR_ATTR_VALUE_WORD_REGEXP . "\\]\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_ATTR_VALUE_WORD, $matches[2], css_remove_value_quotes($matches[3]))));
}
// pseudoclasses & pseudoelements
if (preg_match("/^([#\\.\\s\\w_-]*):(\\w+)\$/", $raw_selector, $matches)) {
if ($matches[1] === "") {
$matches[1] = "*";
}
switch ($matches[2]) {
case "lowlink":
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_PSEUDOCLASS_LINK_LOW_PRIORITY)));
case "link":
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_PSEUDOCLASS_LINK)));
case "before":
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_PSEUDOELEMENT_BEFORE)));
case "after":
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_PSEUDOELEMENT_AFTER)));
}
}
// :lang() pseudoclass
if (preg_match("/^([#\\.\\s\\w_-]+):lang\\((\\w+)\\)\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), array(SELECTOR_LANGUAGE, $matches[2])));
}
if (preg_match("/^(\\S+)(\\.\\S+)\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(parse_css_selector($matches[1]), parse_css_selector($matches[2])));
}
switch ($raw_selector[0]) {
case '#':
return array(SELECTOR_ID, substr($raw_selector, 1));
case '.':
return array(SELECTOR_CLASS, substr($raw_selector, 1));
}
if (preg_match("/^(\\w+)#(" . SELECTOR_ID_REGEXP . ")\$/", $raw_selector, $matches)) {
return array(SELECTOR_SEQUENCE, array(array(SELECTOR_ID, $matches[2]), array(SELECTOR_TAG, $matches[1])));
}
if ($raw_selector === "*") {
return array(SELECTOR_ANY);
}
return array(SELECTOR_TAG, $raw_selector);
}
function import_ruleset_selector_simple($syntax_selector)
{
$selector = array(SELECTOR_ANY);
if (!is_null($syntax_selector->get_element())) {
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_TAG, $syntax_selector->get_element()), $selector));
}
$ids = $syntax_selector->get_ids();
foreach ($ids as $id) {
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_ID, substr($id, 1)), $selector));
}
$classes = $syntax_selector->get_classes();
foreach ($classes as $class) {
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_CLASS, $class), $selector));
}
$attribs = $syntax_selector->get_attribs();
foreach ($attribs as $attrib) {
switch ($attrib->get_op()) {
case ATTRIB_OP_EQUAL:
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_ATTR_VALUE, $attrib->get_name(), css_remove_value_quotes($attrib->get_value())), $selector));
break;
case ATTRIB_OP_DASHMATCH:
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_ATTR_VALUE_WORD_HYPHEN, $attrib->get_name(), css_remove_value_quotes($attrib->get_value())), $selector));
break;
case ATTRIB_OP_INCLUDES:
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_ATTR_VALUE_WORD, $attrib->get_name(), css_remove_value_quotes($attrib->get_value())), $selector));
break;
default:
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_ATTR, $attrib->get_name()), $selector));
break;
}
}
$pseudo = $syntax_selector->get_pseudo();
foreach ($pseudo as $pseudo_item) {
switch ($pseudo_item->get_name()) {
case 'link':
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_PSEUDOCLASS_LINK), $selector));
break;
case 'before':
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_PSEUDOELEMENT_BEFORE), $selector));
break;
case 'after':
$selector = array(SELECTOR_SEQUENCE, array(array(SELECTOR_PSEUDOELEMENT_AFTER), $selector));
break;
case 'visited':
case 'active':
case 'hover':
// No nothing, as html2ps is not interactive user-agent
break;
default:
error_log(sprintf('Unknown pseudo selector: "%s"', $pseudo_item->get_name()));
}
}
return $selector;
}
function parse($value)
{
return css_remove_value_quotes($value);
}