/* * call-seq: * read_memory(string, url, encoding, options) * * Create a new document from a String */ static VALUE read_memory( VALUE klass, VALUE string, VALUE url, VALUE encoding, VALUE options ) { const char * c_buffer = StringValuePtr(string); const char * c_url = (url == Qnil) ? NULL : StringValuePtr(url); const char * c_enc = (encoding == Qnil) ? NULL : StringValuePtr(encoding); int len = NUM2INT(rb_funcall(string, rb_intern("length"), 0)); xmlInitParser(); xmlDocPtr doc = xmlReadMemory(c_buffer, len, c_url, c_enc, NUM2INT(options)); if(doc == NULL) { xmlFreeDoc(doc); rb_raise(rb_eRuntimeError, "Couldn't create a document"); return Qnil; } return Nokogiri_wrap_xml_document(klass, doc); }