Mercurial > projects > ldc
diff lphobos/std/typeinfounsupported/ti_Along.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_Along.d Sat Sep 01 21:43:27 2007 +0200 @@ -0,0 +1,103 @@ + +module std.typeinfo.ti_Along; + +private import std.c.string; + +// long[] + +class TypeInfo_Al : TypeInfo +{ + char[] toString() { return "long[]"; } + + hash_t getHash(void *p) + { long[] s = *cast(long[]*)p; + size_t len = s.length; + auto str = s.ptr; + hash_t hash = 0; + + while (len) + { + hash *= 9; + hash += *cast(uint *)str + *(cast(uint *)str + 1); + str++; + len--; + } + + return hash; + } + + int equals(void *p1, void *p2) + { + long[] s1 = *cast(long[]*)p1; + long[] s2 = *cast(long[]*)p2; + + return s1.length == s2.length && + memcmp(cast(void *)s1, cast(void *)s2, s1.length * long.sizeof) == 0; + } + + int compare(void *p1, void *p2) + { + long[] s1 = *cast(long[]*)p1; + long[] s2 = *cast(long[]*)p2; + size_t len = s1.length; + + if (s2.length < len) + len = s2.length; + for (size_t u = 0; u < len; u++) + { + if (s1[u] < s2[u]) + return -1; + else if (s1[u] > s2[u]) + return 1; + } + return cast(int)s1.length - cast(int)s2.length; + } + + size_t tsize() + { + return (long[]).sizeof; + } + + uint flags() + { + return 1; + } + + TypeInfo next() + { + return typeid(long); + } +} + + +// ulong[] + +class TypeInfo_Am : TypeInfo_Al +{ + char[] toString() { return "ulong[]"; } + + int compare(void *p1, void *p2) + { + ulong[] s1 = *cast(ulong[]*)p1; + ulong[] s2 = *cast(ulong[]*)p2; + size_t len = s1.length; + + if (s2.length < len) + len = s2.length; + for (size_t u = 0; u < len; u++) + { + if (s1[u] < s2[u]) + return -1; + else if (s1[u] > s2[u]) + return 1; + } + return cast(int)s1.length - cast(int)s2.length; + } + + TypeInfo next() + { + return typeid(ulong); + } +} + +