-/*
+/*
scm-hash.hh -- declare Scheme hasher.
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1999--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#ifndef SCM_HASH_HH
#define SCM_HASH_HH
-
-#include "lily-guile.hh"
#include "smobs.hh"
+/*
+ hash table.
-/**
- auto resizing hash table.
-
- 1. ALWAYS USE THIS AS VIA A POINTER, i.e.
+ 1. ALWAYS USE THIS AS VIA A POINTER, i.e.
- class Foo {
- Scheme_hash_table * tab;
- };
+ class Foo {
+ Scheme_hash_table * tab;
+ };
- and NOT
+ and NOT
- class Foo {
- Scheme_hash_table tab;
- }
+ class Foo {
+ Scheme_hash_table tab;
+ }
- 2. UPON DESTRUCTION, DO
+ 2. UPON DESTRUCTION, DO
- scm_gc_unprotect_object (tab->self_scm_);
-
- */
+ scm_gc_unprotect_object (tab->self_scm_);
+*/
class Scheme_hash_table
-{
+{
public:
bool try_retrieve (SCM key, SCM *val);
bool contains (SCM key) const;
-
- /**
- WARNING: putting something in assumes responsibility for cleaning
- up. */
void set (SCM k, SCM v);
- SCM get (SCM k) const;
+ SCM get (SCM k) const;
void remove (SCM k);
Scheme_hash_table ();
- void operator = (Scheme_hash_table const &);
+ void operator = (Scheme_hash_table const &);
Scheme_hash_table (Scheme_hash_table const &);
-
SCM to_alist () const;
private:
SCM hash_tab_;
- unsigned elt_count_;
-
- DECLARE_SMOBS (Scheme_hash_table, foo);
+ void copy (Scheme_hash_table const &src);
+ DECLARE_SMOBS (Scheme_hash_table);
};
-
#endif /* SCM_HASH_HH */