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author | Eliot Horowitz <eliot@10gen.com> | 2011-12-24 15:33:26 -0500 |
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committer | Eliot Horowitz <eliot@10gen.com> | 2011-12-24 15:33:45 -0500 |
commit | ae1ecd9c786911f9f1f0242f0f7d702b3e5dfeba (patch) | |
tree | 92f8e1649e6f080b251ff5f1763679a72eb59b34 /src/mongo/util/hex.h | |
parent | dfa4cd7e2cf109b072440155fabc08a93c8045a0 (diff) | |
download | mongo-ae1ecd9c786911f9f1f0242f0f7d702b3e5dfeba.tar.gz |
bulk move of code to src/ SERVER-4551
Diffstat (limited to 'src/mongo/util/hex.h')
-rw-r--r-- | src/mongo/util/hex.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mongo/util/hex.h b/src/mongo/util/hex.h new file mode 100644 index 00000000000..8cf30f2d9d3 --- /dev/null +++ b/src/mongo/util/hex.h @@ -0,0 +1,67 @@ +// util/hex.h + +/* Copyright 2009 10gen Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +namespace mongo { + //can't use hex namespace because it conflicts with hex iostream function + inline int fromHex( char c ) { + if ( '0' <= c && c <= '9' ) + return c - '0'; + if ( 'a' <= c && c <= 'f' ) + return c - 'a' + 10; + if ( 'A' <= c && c <= 'F' ) + return c - 'A' + 10; + assert( false ); + return 0xff; + } + inline char fromHex( const char *c ) { + return (char)(( fromHex( c[ 0 ] ) << 4 ) | fromHex( c[ 1 ] )); + } + + inline string toHex(const void* inRaw, int len) { + static const char hexchars[] = "0123456789ABCDEF"; + + StringBuilder out; + const char* in = reinterpret_cast<const char*>(inRaw); + for (int i=0; i<len; ++i) { + char c = in[i]; + char hi = hexchars[(c & 0xF0) >> 4]; + char lo = hexchars[(c & 0x0F)]; + + out << hi << lo; + } + + return out.str(); + } + + inline string toHexLower(const void* inRaw, int len) { + static const char hexchars[] = "0123456789abcdef"; + + StringBuilder out; + const char* in = reinterpret_cast<const char*>(inRaw); + for (int i=0; i<len; ++i) { + char c = in[i]; + char hi = hexchars[(c & 0xF0) >> 4]; + char lo = hexchars[(c & 0x0F)]; + + out << hi << lo; + } + + return out.str(); + } +} |