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00021 #include <config.h>
00022
00023 #include <drizzled/util/convert.h>
00024 #include <string>
00025 #include <iomanip>
00026 #include <sstream>
00027
00028 using namespace std;
00029
00030 namespace drizzled
00031 {
00032
00033 uint64_t drizzled_string_to_hex(char *to, const char *from, uint64_t from_size)
00034 {
00035 static const char hex_map[]= "0123456789ABCDEF";
00036 const char *from_end;
00037
00038 for (from_end= from + from_size; from != from_end; from++)
00039 {
00040 *to++= hex_map[((unsigned char) *from) >> 4];
00041 *to++= hex_map[((unsigned char) *from) & 0xF];
00042 }
00043
00044 *to= 0;
00045
00046 return from_size * 2;
00047 }
00048
00049 static inline char hex_char_value(char c)
00050 {
00051 if (c >= '0' && c <= '9')
00052 return c - '0';
00053 else if (c >= 'A' && c <= 'F')
00054 return c - 'A' + 10;
00055 else if (c >= 'a' && c <= 'f')
00056 return c - 'a' + 10;
00057 return 0;
00058 }
00059
00060 void drizzled_hex_to_string(char *to, const char *from, uint64_t from_size)
00061 {
00062 const char *from_end = from + from_size;
00063
00064 while (from != from_end)
00065 {
00066 *to= hex_char_value(*from++) << 4;
00067 if (from != from_end)
00068 *to++|= hex_char_value(*from++);
00069 }
00070 }
00071
00072 void bytesToHexdumpFormat(string &to, const unsigned char *from, size_t from_length)
00073 {
00074 static const char hex_map[]= "0123456789abcdef";
00075 unsigned int x, y;
00076 ostringstream line_number;
00077
00078 for (x= 0; x < from_length; x+= 16)
00079 {
00080 line_number << setfill('0') << setw(6);
00081 line_number << x;
00082 to.append(line_number.str());
00083 to.append(": ", 2);
00084
00085 for (y= 0; y < 16; y++)
00086 {
00087 if ((x + y) < from_length)
00088 {
00089 to.push_back(hex_map[(from[x+y]) >> 4]);
00090 to.push_back(hex_map[(from[x+y]) & 0xF]);
00091 to.push_back(' ');
00092 }
00093 else
00094 to.append(" ");
00095 }
00096 to.push_back(' ');
00097 for (y= 0; y < 16; y++)
00098 {
00099 if ((x + y) < from_length)
00100 to.push_back(isprint(from[x + y]) ? from[x + y] : '.');
00101 }
00102 to.push_back('\n');
00103 line_number.str("");
00104 }
00105 }
00106
00107 }