function &create(&$root, &$pipeline)
{
$name = $root->get_attribute('name');
$value = $root->get_attribute('value');
$url_autofix = new AutofixUrl();
$src = $url_autofix->apply(trim($root->get_attribute("src")));
$src_img = ImageFactory::get($pipeline->guess_url($src), $pipeline);
if (is_null($src_img)) {
error_log(sprintf("Cannot open image at '%s'", $src));
if ($root->has_attribute('width')) {
$width = px2pt($root->get_attribute('width'));
} else {
$width = px2pt(BROKEN_IMAGE_DEFAULT_SIZE_PX);
}
if ($root->has_attribute('height')) {
$height = px2pt($root->get_attribute('height'));
} else {
$height = px2pt(BROKEN_IMAGE_DEFAULT_SIZE_PX);
}
$alt = $root->get_attribute('alt');
$css_state =& $pipeline->get_current_css_state();
$box =& new ButtonBrokenImagebox($width, $height, $alt, $name, $value, $css_state->get_property(CSS_HTML2PS_FORM_ACTION));
$box->readCSS($css_state);
return $box;
}
$css_state =& $pipeline->get_current_css_state();
$box =& new ButtonImageBox($src_img, $name, $value, $css_state->get_property(CSS_HTML2PS_FORM_ACTION));
$box->readCSS($css_state);
$box->_setupSize();
return $box;
}
function scan_styles($root, &$pipeline)
{
switch ($root->node_type()) {
case XML_ELEMENT_NODE:
$tagname = strtolower($root->tagname());
if ($tagname === 'style') {
// Parse <style ...> ... </style> nodes
//
$this->parse_style_node($root, $pipeline);
} elseif ($tagname === 'link') {
// Parse <link rel="stylesheet" ...> nodes
//
$rel = strtolower($root->get_attribute("rel"));
$type = strtolower($root->get_attribute("type"));
if ($root->has_attribute("media")) {
$media = explode(",", $root->get_attribute("media"));
} else {
$media = array();
}
if ($rel == "stylesheet" && ($type == "text/css" || $type == "") && (count($media) == 0 || is_allowed_media($media))) {
// Attempt to escape URL automaticaly
$url_autofix = new AutofixUrl();
$src = $url_autofix->apply(trim($root->get_attribute('href')));
if ($src) {
$this->css_import($src, $pipeline);
}
}
}
// Note that we continue processing here!
// Note that we continue processing here!
case XML_DOCUMENT_NODE:
// Scan all child nodes
$child = $root->first_child();
while ($child) {
$this->scan_styles($child, $pipeline);
$child = $child->next_sibling();
}
break;
}
}
function scan_styles($root, &$pipeline)
{
switch ($root->node_type()) {
case XML_ELEMENT_NODE:
# kornev, already in lower
# $tagname = strtolower($root->tagname());
$tagname = $root->tagname();
if ($tagname === 'style') {
$this->parse_style_node($root, $pipeline);
} elseif ($tagname === 'link') {
$rel = $root->get_attribute('rel');
$type = $root->get_attribute('type');
if ($root->has_attribute('media')) {
$media = explode(',', $root->get_attribute('media'));
} else {
$media = array();
}
if ($rel == 'stylesheet' && ($type == 'text/css' || $type == '') && (count($media) == 0 || is_allowed_media($media))) {
// Attempt to escape URL automaticaly
$url_autofix = new AutofixUrl();
$src = $url_autofix->apply(trim($root->get_attribute('href')));
if ($src) {
$this->css_import($src, $pipeline);
}
}
}
// Note that we continue processing here!
// Note that we continue processing here!
case XML_DOCUMENT_NODE:
// Scan all child nodes
$child = $root->first_child();
while ($child) {
$this->scan_styles($child, $pipeline);
$child = $child->next_sibling();
}
break;
}
}
function &create(&$root, &$pipeline)
{
// Open image referenced by HTML tag
// Some crazy HTML writers add leading and trailing spaces to SRC attribute value - we need to remove them
//
$url_autofix = new AutofixUrl();
$src = $url_autofix->apply(trim($root->get_attribute("src")));
$image_url = $pipeline->guess_url($src);
$src_img = ImageFactory::get($image_url, $pipeline);
if (is_null($src_img)) {
// image could not be opened, use ALT attribute
if ($root->has_attribute('width')) {
$width = px2pt($root->get_attribute('width'));
} else {
$width = px2pt(BROKEN_IMAGE_DEFAULT_SIZE_PX);
}
if ($root->has_attribute('height')) {
$height = px2pt($root->get_attribute('height'));
} else {
$height = px2pt(BROKEN_IMAGE_DEFAULT_SIZE_PX);
}
$alt = $root->get_attribute('alt');
$box =& new BrokenImgBox($width, $height, $alt);
$box->readCSS($pipeline->getCurrentCSSState());
$box->put_width($width);
$box->put_height($height);
$box->default_baseline = $box->get_full_height();
$box->src_height = $box->get_height();
$box->src_width = $box->get_width();
return $box;
} else {
$box =& new ImgBox($src_img);
$box->readCSS($pipeline->getCurrentCSSState());
$box->_setupSize();
return $box;
}
}
function process_link_node(&$node)
{
$ruleset =& new CSSRuleset();
$rel = strtolower($node->get_attribute('rel'));
$type = strtolower($node->get_attribute('type'));
// See HTML 4.01 p.14.2.3: This attribute (read: 'media') specifies the intended destination medium for style information.
// It may be a single media descriptor or a comma-separated list. The default value for this attribute is "screen".
if ($node->has_attribute('media')) {
$media = explode(',', strtolower($node->get_attribute('media')));
} else {
$media = array('screen');
}
// Subconditions for the large condition below
// 1. This is a stylesheet
$is_stylesheet = $rel == 'stylesheet';
// 2. This is a CSS stylesheet
// Though HTML 4.01 standard says in p.14.2.3 "Authors must supply a value for this attribute; there is no default value for this attribute",
// a lot of coders do not obey the standard; let's assume that if 'type' is omitted, we're dealing with CSS
$is_css = $type == 'text/css' || $type == '';
// 3. This stylesheet should be processed with current media
// HTML 4.01 p.14.2.3 "This attribute specifies the intended destination medium for style information.
// It may be a single media descriptor or a comma-separated list. The default value for this attribute is "screen".
// Yet again, let's be tolerant: if coder did not specify anything in the 'media' attribute value,
// we assume that this stylesheet should be processed.
// Note that if 'media' is omitted, we're using its default value - 'screent' (see above)
$is_media_to_be_processed = count($media) == 0 || $this->is_allowed_media($media);
if ($is_stylesheet && $is_css && $is_media_to_be_processed) {
// Attempt to escape URL automaticaly
$url_autofix = new AutofixUrl();
$src = $url_autofix->apply(trim($node->get_attribute('href')));
if ($src) {
$ruleset = $this->import($src);
}
}
return $ruleset;
}
function TestAutofixUrlDirty8()
{
$url_autofix = new AutofixUrl();
$source_url = 'test%z1test';
$expected_url = 'test%25z1test';
$fixed_url = $url_autofix->apply($source_url);
$this->assertEqual($expected_url, $fixed_url);
}
