/* * call-seq: * read_memory(string, url, encoding, options) * * Read the HTML document contained in +string+ with given +url+, +encoding+, * and +options+. See Nokogiri::HTML.parse */ static VALUE read_memory( VALUE klass, VALUE string, VALUE url, VALUE encoding, VALUE options ) { const char * c_buffer = StringValuePtr(string); const char * c_url = NIL_P(url) ? NULL : StringValuePtr(url); const char * c_enc = NIL_P(encoding) ? NULL : StringValuePtr(encoding); int len = (int)RSTRING_LEN(string); VALUE error_list = rb_ary_new(); VALUE document; htmlDocPtr doc; xmlResetLastError(); xmlSetStructuredErrorFunc((void *)error_list, Nokogiri_error_array_pusher); doc = htmlReadMemory(c_buffer, len, c_url, c_enc, (int)NUM2INT(options)); xmlSetStructuredErrorFunc(NULL, NULL); if(doc == NULL) { xmlErrorPtr error; xmlFreeDoc(doc); error = xmlGetLastError(); if(error) rb_exc_raise(Nokogiri_wrap_xml_syntax_error((VALUE)NULL, error)); else rb_raise(rb_eRuntimeError, "Could not parse document"); return Qnil; } document = Nokogiri_wrap_xml_document(klass, doc); rb_iv_set(document, "@errors", error_list); return document; }