diff options
| -rw-r--r-- | source/tanya/net/ip.d | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/source/tanya/net/ip.d b/source/tanya/net/ip.d index a53f3c4..02362af 100644 --- a/source/tanya/net/ip.d +++ b/source/tanya/net/ip.d @@ -14,6 +14,7 @@ */ module tanya.net.ip; +import tanya.algorithm.comparison; import tanya.algorithm.mutation; import tanya.container.string; import tanya.conv; @@ -67,6 +68,37 @@ struct Address4 } /** + * Compares two $(D_PARAM Address4) objects. + * + * Params: + * that = Another address. + * + * Returns: Positive number if $(D_KEYWORD this) is larger than + * $(D_PARAM that), negative - if it is smaller, or 0 if they + * equal. + */ + int opCmp(ref const Address4 that) const @nogc nothrow pure @safe + { + const lhs = toUInt(); + const rhs = that.toUInt(); + return (rhs < lhs) - (lhs < rhs); + } + + /// ditto + int opCmp(const Address4 that) const @nogc nothrow pure @safe + { + return opCmp(that); + } + + /// + @nogc nothrow pure @safe unittest + { + assert(address4("127.0.0.1") > address4("126.0.0.0")); + assert(address4("127.0.0.1") < address4("127.0.0.2")); + assert(address4("127.0.0.1") == address4("127.0.0.1")); + } + + /** * Returns object that represents 127.0.0.1. * * Returns: Object that represents the Loopback address. @@ -424,6 +456,45 @@ struct Address6 } /** + * Compares two $(D_PARAM Address6) objects. + * + * If $(D_KEYWORD this) and $(D_PARAM that) contain the same address, scope + * IDs are compared. + * + * Params: + * that = Another address. + * + * Returns: Positive number if $(D_KEYWORD this) is larger than + * $(D_PARAM that), negative - if it is smaller, or 0 if they + * equal. + */ + int opCmp(ref const Address6 that) const @nogc nothrow pure @safe + { + const diff = compare(this.address[], that.address[]); + if (diff == 0) + { + return (that.scopeID < this.scopeID) - (this.scopeID < that.scopeID); + } + return diff; + } + + /// ditto + int opCmp(const Address6 that) const @nogc nothrow pure @safe + { + return opCmp(that); + } + + /// + @nogc nothrow @safe unittest + { + assert(address6("::14") > address6("::1")); + assert(address6("::1") < address6("::14")); + assert(address6("::1") == address6("::1")); + assert(address6("::1%1") < address6("::1%2")); + assert(address6("::1%2") > address6("::1%1")); + } + + /** * Returns object that represents ::. * * Returns: Object that represents any address. |