--- parser3/src/classes/Attic/root.C 2001/03/11 12:10:42 1.16 +++ parser3/src/classes/Attic/root.C 2001/03/12 10:21:23 1.22 @@ -3,39 +3,82 @@ Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) Author: Alexander Petrosyan (http://design.ru/paf) - $Id: root.C,v 1.16 2001/03/11 12:10:42 paf Exp $ + $Id: root.C,v 1.22 2001/03/12 10:21:23 paf Exp $ */ +#include + #include "pa_request.h" #include "_root.h" -static void _if(Request& r, Array *params) { +static void _if(Request& r, const String&, Array *params) { bool condition= - r.autocalc( + r.process( *static_cast(params->get(0)), 0/*no name*/, false/*don't intercept string*/).get_bool(); if(condition) { - Value& value=r.autocalc(*static_cast(params->get(1))); - r.wcontext->write(value, String::Untaint_lang::PASS_APPENDED); + Value& value=r.process(*static_cast(params->get(1))); + r.write_pass_lang(value); } else if(params->size()==3) { - Value& value=r.autocalc(*static_cast(params->get(2))); - r.wcontext->write(value, String::Untaint_lang::PASS_APPENDED); + Value& value=r.process(*static_cast(params->get(2))); + r.write_pass_lang(value); } } -static void _untaint(Request& r, Array *params) { - const String& lang_name=r.autocalc(*static_cast(params->get(0))).as_string(); +static void _untaint(Request& r, const String& method_name, Array *params) { + const String& lang_name=r.process(*static_cast(params->get(0))).as_string(); String::Untaint_lang lang=static_cast( untaint_lang_name_to_enum->get_int(lang_name)); if(!lang) R_THROW(0, 0, &lang_name, - "invalid language"); + "invalid untaint language"); Temp_lang temp_lang(r, lang); - Value& value=r.autocalc(*static_cast(params->get(1))); - r.wcontext->write(value, String::Untaint_lang::PASS_APPENDED); + Value *value=static_cast(params->get(1)); + // forcing ^untaint[]{this param type} + if(!value->get_junction()) + R_THROW(0, 0, + &method_name, + "body must be junction"); + + value=&r.process(*value); + r.write_pass_lang(*value); +} + + +static void _process(Request& r, const String& method_name, Array *params) { + // evaluate source to process + const String& source=r.process(*static_cast(params->get(0))).as_string(); + + // calculate pseudo file name of processed chars + // would be something like "/some/file(4) process" + char place[MAX_STRING]; +#ifndef NO_STRING_ORIGIN + const Origin& origin=source.origin(); + snprintf(place, MAX_STRING, "%s(%d) %s", + origin.file, 1+origin.line, + method_name.cstr()); +#else + strncpy(place, MAX_STRING, method_name.cstr()); +#endif + + VClass& self_class=*r.self->get_class(); + { + // temporary zero @main so to maybe-replace it in processed code + Temp_method temp_method(self_class, *main_method_name, 0); + + // process source code, append processed methods to 'self' class + // maybe-define new @main + r.use_buf(source.cstr(), place, &self_class); + + // maybe-execute @main[] + if(const Method *method=self_class.get_method(*main_method_name)) { + // execute! + r.execute(*method->parser_code); + } + } } @@ -46,4 +89,7 @@ void initialize_root_class(Pool& pool, V // ^untaint[as-is|sql|js|html|html-typo]{code} vclass.add_native_method("untaint", _untaint, 2, 2); + + // ^process[code] + vclass.add_native_method("process", _process, 1, 1); }