--- parser3/src/classes/string.C 2001/03/27 16:35:52 1.13 +++ parser3/src/classes/string.C 2001/03/29 15:00:19 1.15 @@ -3,7 +3,7 @@ Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) Author: Alexander Petrosyan (http://design.ru/paf) - $Id: string.C,v 1.13 2001/03/27 16:35:52 paf Exp $ + $Id: string.C,v 1.15 2001/03/29 15:00:19 paf Exp $ */ #include "pa_request.h" @@ -19,7 +19,7 @@ VStateless_class *string_class; static void _length(Request& r, const String&, Array *) { Pool& pool=r.pool(); - Value& value=*new(pool) VDouble(pool, r.self->as_string().size()); + Value& value=*new(pool) VDouble(pool, r.self->get_string()->size()); r.write_no_lang(value); } @@ -48,6 +48,34 @@ void _string_format(Request& r, const St r.write_no_lang(String(pool, buf)); } +void _left(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + + size_t n=(size_t)r.process(*static_cast(params->get(0))).as_double(); + + const String& string=*static_cast(r.self)->get_string(); + r.write_assign_lang(*new(pool) VString(string.piece(0, n))); +} + +void _right(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + + size_t n=(size_t)r.process(*static_cast(params->get(0))).as_double(); + + const String& string=*static_cast(r.self)->get_string(); + r.write_assign_lang(*new(pool) VString(string.piece(string.size()-n, string.size()))); +} + +void _mid(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + + size_t p=(size_t)r.process(*static_cast(params->get(0))).as_double(); + size_t n=(size_t)r.process(*static_cast(params->get(1))).as_double(); + + const String& string=*static_cast(r.self)->get_string(); + r.write_assign_lang(*new(pool) VString(string.piece(p, p+n))); +} + // initialize void initialize_string_class(Pool& pool, VStateless_class& vclass) { @@ -62,5 +90,12 @@ void initialize_string_class(Pool& pool, // ^string.format[] vclass.add_native_method("format", _string_format, 1, 1); + + // ^string.left(n) + vclass.add_native_method("left", _left, 1, 1); + // ^string.right(n) + vclass.add_native_method("right", _right, 1, 1); + // ^string.mid(p;n) + vclass.add_native_method("mid", _mid, 2, 2); }