From 4735422eafdf2ddfeefe3ef3610f764d23153706 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Sat, 5 Oct 1996 14:46:39 +0000
Subject: [PATCH] lilypond-0.0.1

---
 staff.hh | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 staff.hh

diff --git a/staff.hh b/staff.hh
new file mode 100644
index 0000000000..49439f373b
--- /dev/null
+++ b/staff.hh
@@ -0,0 +1,78 @@
+#ifndef STAFF_HH
+#define STAFF_HH
+
+#include "score.hh"
+#include "voice.hh"
+#include "command.hh"
+
+struct Staff_column {
+    Score_column *score_column;
+
+    /// fields to collect data vertically.
+    svec<Voice_element *> v_elts;
+    svec<Command *> s_commands;
+    
+    Staff_column(Score_column*s); 
+    bool mus() const ;
+    Mtime when() const;
+    void add(Voice_element*ve);
+    /****************************************************************
+      VIRTUAL
+    ****************************************************************/
+    virtual void process_requests()=0;
+    virtual void process_commands()=0;
+    virtual ~Staff_column() { }
+};
+
+
+/// base class for a collection of voices.
+struct Staff {
+    /// synchronous horizontal stuff
+    PointerList<Voice*> voices;
+
+    /// commands in chronological order
+    PointerList<Command *> commands;
+    PointerList<Staff_column*> cols;
+
+    /// indirections to the Score and PScore
+    Score *score_;
+    PScore *pscore_;
+
+    void add_voice(Voice *v);
+    void add_staff_column(Staff_column *sp);
+
+	 
+    /// interpret all requests and add items to #destination#.
+    void process();
+    /**
+    This routines calls virtual functions from Staff, to delegate the
+    interpretation of requests to a derived class of Staff */
+
+    
+    /****************************************************************
+      VIRTUALS
+    ****************************************************************/
+    
+    void setup_staffcols();
+
+    virtual void set_output(PScore * destination)=0;
+    virtual void grant_requests()=0;
+    
+    Staff_column * get_col(Mtime,bool);
+
+    void add_commands(PointerList<Command* >const & sv);
+    /**
+    add all commands from sv.
+
+    PRE
+    sv is time-ordered.
+    */
+    virtual Staff_column * create_col(Score_column * )=0;
+
+    void OK() const;
+    void print() const;
+    Mtime last() const;
+    void clean_cols() ;
+    virtual ~Staff() { } 
+};
+#endif
-- 
2.39.5