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Versions: 12
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Stored size: 1.43 KB
Contents
module CommentSearchers
if RUBY_PLATFORM == 'opal'
NO_XPATH = `!!window._phantom || !document.evaluate`
else
NO_XPATH = false
end
def find_by_comment(text, in_node=`document`)
if NO_XPATH
return find_by_comment_without_xml(text, in_node)
else
node = nil
%x{
node = document.evaluate("//comment()[. = ' " + text + " ']", in_node, null, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null).iterateNext();
}
return node
end
end
# PhantomJS does not support xpath in document.evaluate
def find_by_comment_without_xml(text, in_node)
match_text = " #{text} "
%x{
function walk(node) {
if (node.nodeType === 8 && node.nodeValue === match_text) {
return node;
}
var children = node.childNodes;
if (children) {
for (var i=0;i < children.length;i++) {
var matched = walk(children[i]);
if (matched) {
return matched;
}
}
}
return null;
}
return walk(in_node);
}
end
# Returns an unattached div with the nodes from the passed
# in html.
def build_from_html(html)
temp_div = nil
%x{
temp_div = document.createElement('div');
var doc = jQuery.parseHTML(html);
if (doc) {
for (var i=0;i < doc.length;i++) {
temp_div.appendChild(doc[i]);
}
}
}
return temp_div
end
end
Version data entries
12 entries across 12 versions & 1 rubygems