Mercurial > projects > ldc
diff lphobos/std/typeinfounsupported/ti_Ashort.d @ 1:c53b6e3fe49a trunk
[svn r5] Initial commit. Most things are very rough.
author | lindquist |
---|---|
date | Sat, 01 Sep 2007 21:43:27 +0200 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lphobos/std/typeinfounsupported/ti_Ashort.d Sat Sep 01 21:43:27 2007 +0200 @@ -0,0 +1,126 @@ + +module std.typeinfo.ti_Ashort; + +private import std.c.string; + +// short[] + +class TypeInfo_As : TypeInfo +{ + char[] toString() { return "short[]"; } + + hash_t getHash(void *p) + { short[] s = *cast(short[]*)p; + size_t len = s.length; + short *str = s.ptr; + hash_t hash = 0; + + while (1) + { + switch (len) + { + case 0: + return hash; + + case 1: + hash *= 9; + hash += *cast(ushort *)str; + return hash; + + default: + hash *= 9; + hash += *cast(uint *)str; + str += 2; + len -= 2; + break; + } + } + + return hash; + } + + int equals(void *p1, void *p2) + { + short[] s1 = *cast(short[]*)p1; + short[] s2 = *cast(short[]*)p2; + + return s1.length == s2.length && + memcmp(cast(void *)s1, cast(void *)s2, s1.length * short.sizeof) == 0; + } + + int compare(void *p1, void *p2) + { + short[] s1 = *cast(short[]*)p1; + short[] s2 = *cast(short[]*)p2; + size_t len = s1.length; + + if (s2.length < len) + len = s2.length; + for (size_t u = 0; u < len; u++) + { + int result = s1[u] - s2[u]; + if (result) + return result; + } + return cast(int)s1.length - cast(int)s2.length; + } + + size_t tsize() + { + return (short[]).sizeof; + } + + uint flags() + { + return 1; + } + + TypeInfo next() + { + return typeid(short); + } +} + + +// ushort[] + +class TypeInfo_At : TypeInfo_As +{ + char[] toString() { return "ushort[]"; } + + int compare(void *p1, void *p2) + { + ushort[] s1 = *cast(ushort[]*)p1; + ushort[] s2 = *cast(ushort[]*)p2; + size_t len = s1.length; + + if (s2.length < len) + len = s2.length; + for (size_t u = 0; u < len; u++) + { + int result = s1[u] - s2[u]; + if (result) + return result; + } + return cast(int)s1.length - cast(int)s2.length; + } + + TypeInfo next() + { + return typeid(ushort); + } +} + +// wchar[] + +class TypeInfo_Au : TypeInfo_At +{ + char[] toString() { return "wchar[]"; } + + TypeInfo next() + { + return typeid(wchar); + } +} + +