ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/shstr.h
(Generate patch)

Comparing deliantra/server/include/shstr.h (file contents):
Revision 1.33 by root, Mon Oct 12 14:00:58 2009 UTC vs.
Revision 1.41 by root, Tue Jan 3 11:25:32 2012 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * 5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the 7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your 8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version. 9 * option) any later version.
… …
33extern int buf_overflow (const char *buf1, const char *buf2, int bufsize); 33extern int buf_overflow (const char *buf1, const char *buf2, int bufsize);
34 34
35template<int size> 35template<int size>
36struct shstr_vec 36struct shstr_vec
37{ 37{
38 uint32_t hash;
38 uint32_t len; 39 uint32_t len;
39 uint32_t refcnt; 40 uint32_t refcnt;
41 // pointer points here
40 char string[size]; 42 char string [size];
41}; 43};
42 44
43// this class is a non-refcounted shared string 45// this class is a non-refcounted shared string
44// it cannot be used to create or store shared strings, but 46// it cannot be used to create or store shared strings, but
45// it can be used to apss shared strings around, i.e. as function arguments 47// it can be used to pass shared strings around, i.e. as function arguments
46// or return values. their lifetime must not span a gc () call, i.e. 48// or return values. their lifetime must not span a gc () call, i.e.
47// they are only valid as temporary values within the same server tick. 49// they are only valid as temporary values within the same server tick.
48struct shstr_tmp 50struct shstr_tmp
49{ 51{
50 static shstr_vec<sizeof ("(null)")> nullvec; 52 static shstr_vec<sizeof ("(null)")> nullvec;
51 static const char *null () { return nullvec.string; } // this is the null pointer value 53 static const char *null () { return nullvec.string; } // this is the null pointer value
52 54
53 const char *s; 55 const char *s;
54 56
57 static unsigned int &hash (const char *s)
58 {
59 return *((unsigned int *)s - 3);
60 }
61
62 int hash () const
63 {
64 return hash (s);
65 }
66
55 static unsigned int &length (const char *s) 67 static unsigned int &length (const char *s)
56 { 68 {
57 return *((unsigned int *)s - 2); 69 return *((unsigned int *)s - 2);
58 } 70 }
59 71
… …
72 } 84 }
73 85
74 // returns true if the substring is contained in the shstr 86 // returns true if the substring is contained in the shstr
75 // if the shstr is 0, then this always returns false. 87 // if the shstr is 0, then this always returns false.
76 // the shstr is (theoretically) treated as a comma/colon/space etc. separated list. 88 // the shstr is (theoretically) treated as a comma/colon/space etc. separated list.
77 bool contains (const char *substring) const 89 bool contains (const char *substring) const;
78 {
79 return s != null () && strstr (s, substring);
80 }
81 90
82 //TODO: case sensitive should be eradicated 91 //TODO: case sensitive should be eradicated
83 bool eq_nc (const char *otherstring) const 92 bool eq_nc (const char *otherstring) const
84 { 93 {
85 return !strcasecmp (s, otherstring); 94 return !strcasecmp (s, otherstring);
… …
128inline int strlen (shstr_tmp sh) 137inline int strlen (shstr_tmp sh)
129{ 138{
130 return sh.length (); 139 return sh.length ();
131} 140}
132 141
133static std::ostream &operator <<(std::ostream &o, shstr_tmp sh) 142static inline std::ostream &operator <<(std::ostream &o, shstr_tmp sh)
134{ 143{
135 o.write (sh.s, sh.length ()); 144 o.write (sh.s, sh.length ());
136 145
137 return o; 146 return o;
138} 147}

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines