X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fcontext.hh;h=dc13314277be9541b4f9ceac41084edbc00b7cf5;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=31c436a9367c9db1c448dbc5f9b12ad78f8cd51b;hpb=38d7d319eabc906e82fb42002678c6d42a23b6f7;p=lilypond.git diff --git a/lily/include/context.hh b/lily/include/context.hh index 31c436a936..dc13314277 100644 --- a/lily/include/context.hh +++ b/lily/include/context.hh @@ -1,9 +1,20 @@ /* - context.hh -- declare Context + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2004--2015 Han-Wen Nienhuys - (c) 2004--2009 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 . */ #ifndef CONTEXT_HH @@ -17,19 +28,25 @@ #include "std-vector.hh" #include "virtual-methods.hh" -class Context +class Context : public Smob { +public: + SCM mark_smob (); + int print_smob (SCM, scm_print_state *); + static const char type_p_name_[]; + virtual ~Context (); +private: Scheme_hash_table *properties_dict () const; - Context (Context const &src); + Context (Context const &src); // Do not define! Not copyable! - DECLARE_SMOBS (Context); - DECLARE_CLASSNAME(Context); + DECLARE_CLASSNAME (Context); void terminate (); private: friend class Context_handle; - int iterator_count_; - + /* how many Context_handles point to this Context */ + int client_count_; + /* Used internally by create_context */ Stream_event *infant_event_; @@ -39,14 +56,15 @@ protected: SCM definition_; /* Additions to the Context_def, given by \with */ SCM definition_mods_; - + SCM properties_scm_; SCM context_list_; SCM accepts_list_; + SCM default_child_; SCM aliases_; Translator_group *implementation_; string id_string_; - + /* Events reported in the context is sent to this dispatcher. */ Dispatcher *event_source_; @@ -63,7 +81,7 @@ protected: DECLARE_LISTENER (set_property_from_event); DECLARE_LISTENER (unset_property_from_event); - + public: string id_string () const { return id_string_; } SCM children_contexts () const { return context_list_; } @@ -84,12 +102,13 @@ public: SCM internal_get_property (SCM name_sym) const; SCM properties_as_alist () const; Context *where_defined (SCM name_sym, SCM *value) const; + bool here_defined (SCM name_sym, SCM *value) const; void unset_property (SCM var_sym); - void instrumented_set_property (SCM, SCM, const char*, int, const char*); + void instrumented_set_property (SCM, SCM, const char *, int, const char *); void internal_set_property (SCM var_sym, SCM value); - Context *create_context (Context_def *, string, SCM); + Context *create_context (Context_def *, const string&, SCM); DECLARE_LISTENER (create_context_from_event); DECLARE_LISTENER (acknowledge_infant); DECLARE_LISTENER (remove_context); @@ -103,7 +122,7 @@ public: virtual Context *get_score_context () const; virtual Output_def *get_output_def () const; virtual Moment now_mom () const; - virtual Context *get_default_interpreter (); + virtual Context *get_default_interpreter (const string &context_id = ""); bool is_alias (SCM) const; void add_alias (SCM); @@ -112,10 +131,10 @@ public: bool is_removable () const; Context *find_create_context (SCM context_name, - string id, SCM ops); - Context *create_unique_context (SCM context_name, string context_id, - SCM ops); - vector path_to_acceptable_context (SCM alias) const; + const string &id, SCM ops); + Context *create_unique_context (SCM context_name, const string &context_id, + SCM ops); + vector path_to_acceptable_context (SCM alias) const; }; /* @@ -123,38 +142,36 @@ public: */ void apply_property_operations (Context *tg, SCM pre_init_ops); -void execute_revert_property (Context *context, - SCM context_property, - SCM grob_property_path); void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val); -void sloppy_general_pushpop_property (Context *context, - SCM context_property, SCM grob_property_path, SCM val); -SCM updated_grob_properties (Context *tg, SCM sym); + Context *find_context_below (Context *where, - SCM type_sym, string id); + SCM type_sym, const string &id); bool melisma_busy (Context *); Context *get_voice_to_lyrics (Context *lyrics); Grob *get_current_note_head (Context *voice); Grob *get_current_rest (Context *voice); -DECLARE_UNSMOB (Context, context); Moment measure_position (Context const *context); Moment measure_position (Context const *context, Duration const *dur); Rational measure_length (Context const *context); int measure_number (Context const *context); + +bool check_repeat_count_visibility (Context const *context, SCM count); + void set_context_property_on_children (Context *trans, SCM sym, SCM val); /* Shorthand for creating and broadcasting stream events. */ -#define send_stream_event(ctx, type, origin, ...) \ -{ \ - SCM props[] = { __VA_ARGS__, 0 }; \ - ctx->internal_send_stream_event (ly_symbol2scm (type), origin, props); \ +#define send_stream_event(ctx, type, origin, ...) \ +{ \ + SCM props[] = { __VA_ARGS__, 0 }; \ + ctx->internal_send_stream_event (ly_symbol2scm (type), origin, props); \ } SCM nested_property_alist (SCM alist, SCM prop_path, SCM value); -SCM nested_property_revert_alist (SCM alist, SCM prop_path); +SCM nested_create_alist (SCM prop_path, SCM value); +SCM partial_list_copy (SCM alist, SCM tail, SCM newtail); SCM evict_from_alist (SCM, SCM, SCM); +SCM nalist_to_alist (SCM nalist, int nested); #endif /* CONTEXT_HH */ -