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authorLoic Blot <loic.blot@unix-experience.fr>2015-02-21 14:17:36 +0100
committerLoic Blot <loic.blot@unix-experience.fr>2015-02-21 14:32:35 +0100
commit5a5854ea9d0bc346b00f48f40b538b7a8d68b37a (patch)
tree424b67b977b791fa2fb1bbd4784d59b911bfa15d /src/util
parentc09d026f0561ee3c6db821a7e193716f724a0e4a (diff)
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Move hex.h to util/
Diffstat (limited to 'src/util')
-rw-r--r--src/util/hex.h62
-rw-r--r--src/util/string.cpp4
2 files changed, 64 insertions, 2 deletions
diff --git a/src/util/hex.h b/src/util/hex.h
new file mode 100644
index 000000000..6f00a79bf
--- /dev/null
+++ b/src/util/hex.h
@@ -0,0 +1,62 @@
+/*
+Minetest
+Copyright (C) 2013 Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef HEX_HEADER
+#define HEX_HEADER
+
+#include <string>
+
+static const char hex_chars[] = "0123456789abcdef";
+
+static inline std::string hex_encode(const char *data, unsigned int data_size)
+{
+ std::string ret;
+ char buf2[3];
+ buf2[2] = '\0';
+
+ for(unsigned int i = 0; i < data_size; i++)
+ {
+ unsigned char c = (unsigned char) data[i];
+ buf2[0] = hex_chars[(c & 0xf0) >> 4];
+ buf2[1] = hex_chars[c & 0x0f];
+ ret.append(buf2);
+ }
+
+ return ret;
+}
+
+static inline std::string hex_encode(const std::string &data)
+{
+ return hex_encode(data.c_str(), data.size());
+}
+
+static inline bool hex_digit_decode(char hexdigit, unsigned char &value)
+{
+ if(hexdigit >= '0' && hexdigit <= '9')
+ value = hexdigit - '0';
+ else if(hexdigit >= 'A' && hexdigit <= 'F')
+ value = hexdigit - 'A' + 10;
+ else if(hexdigit >= 'a' && hexdigit <= 'f')
+ value = hexdigit - 'a' + 10;
+ else
+ return false;
+ return true;
+}
+
+#endif
diff --git a/src/util/string.cpp b/src/util/string.cpp
index babf7e62b..8861981b2 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -22,9 +22,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "numeric.h"
#include "log.h"
-#include "sha1.h"
#include "base64.h"
-#include "../hex.h"
+#include "hex.h"
+#include "sha1.h"
#include "../porting.h"
#include <algorithm>