/* * call-seq: * read_io(io, url, encoding, options) * * Read the HTML document from +io+ with given +url+, +encoding+, * and +options+. See Nokogiri::HTML.parse */ static VALUE read_io( VALUE klass, VALUE io, VALUE url, VALUE encoding, VALUE options ) { const char * c_url = (url == Qnil) ? NULL : StringValuePtr(url); const char * c_enc = (encoding == Qnil) ? NULL : StringValuePtr(encoding); VALUE error_list = rb_ary_new(); xmlInitParser(); xmlResetLastError(); xmlSetStructuredErrorFunc((void *)error_list, Nokogiri_error_array_pusher); htmlDocPtr doc = htmlReadIO( io_read_callback, io_close_callback, (void *)io, c_url, c_enc, NUM2INT(options) ); xmlSetStructuredErrorFunc(NULL, NULL); if(doc == NULL) { xmlFreeDoc(doc); xmlErrorPtr error = xmlGetLastError(); if(error) rb_funcall(rb_mKernel, rb_intern("raise"), 1, Nokogiri_wrap_xml_syntax_error((VALUE)NULL, error) ); else rb_raise(rb_eRuntimeError, "Could not parse document"); return Qnil; } VALUE document = Nokogiri_wrap_xml_document(klass, doc); rb_funcall(document, rb_intern("errors="), 1, error_list); return document; }