X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-ctors.cc;h=a41e7d434a399173af9ebcfe6f635fb3ad80db94;hb=155f287175f1ab04c0f4d84e6e472b22f9c2b6c4;hp=2da67c365d39cff1e2164291e3c1e88a0fcdd21f;hpb=5e47fbe9f5a8e10458a9d737d1c35cff2eae6791;p=lilypond.git diff --git a/lily/translator-ctors.cc b/lily/translator-ctors.cc index 2da67c365d..a41e7d434a 100644 --- a/lily/translator-ctors.cc +++ b/lily/translator-ctors.cc @@ -1,58 +1,71 @@ /* - translator-ctors.cc -- implement Translator construction + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2014 Han-Wen Nienhuys - (c) 1997 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ -#include "proto.hh" -#include "plist.hh" #include "translator.hh" -#include "dictionary.hh" -#include "debug.hh" -Dictionary *global_translator_dict_p=0; +#include "international.hh" +#include "scm-hash.hh" +#include "warn.hh" -void -add_translator (Translator *t) -{ - if (!global_translator_dict_p) - global_translator_dict_p = new Dictionary; +/* + should delete these after exit. +*/ - global_translator_dict_p->elem (t->name ()) = t; -} +Scheme_hash_table *global_translator_dict = 0; -Translator* -get_translator_l (String s) +LY_DEFINE (get_all_translators, "ly:get-all-translators", 0, 0, 0, (), + "Return a list of all translator objects that may be" + " instantiated.") { - if (global_translator_dict_p->elt_b (s)) - { - return (*global_translator_dict_p)[s]; - } - - error (_("Unknown translator `") + s +"\'"); - return 0; -} + SCM l = global_translator_dict ? global_translator_dict->to_alist () : SCM_EOL; -Array *ctor_global_static_arr_p_; + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) + scm_set_car_x (s, scm_cdar (s)); + return l; +} -/* - Very special greetings go out to Steve Jobs for creating a system - that doesn't handle global construction correctly. - */ void -add_constructor (Translator_ctor c) +add_translator (Translator *t) { - if (!ctor_global_static_arr_p_) - ctor_global_static_arr_p_ = new Array; - ctor_global_static_arr_p_->push (c); + if (!global_translator_dict) + global_translator_dict = new Scheme_hash_table; + + SCM k = ly_symbol2scm (t->class_name ()); + global_translator_dict->set (k, t->self_scm ()); + + t->unprotect (); } -void -call_constructors () +Translator * +get_translator (SCM sym) { - for (int i=0; i < ctor_global_static_arr_p_->size (); i++) - add_translator (ctor_global_static_arr_p_->elem (i) ()); + SCM v = SCM_BOOL_F; + if (global_translator_dict) + global_translator_dict->try_retrieve (sym, &v); + + if (v == SCM_BOOL_F) + { + warning (_f ("unknown translator: `%s'", ly_symbol2string (sym).c_str ())); + return 0; + } + + return Translator::unsmob (v); } +