1 files changed, 0 insertions, 201 deletions
diff --git a/src/utils/charset.cpp b/src/utils/charset.cpp
deleted file mode 100644
index 7ee637f80..000000000
--- a/src/utils/charset.cpp
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
-* Character Set Handling
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/charset.h>
-#include <botan/parsing.h>
-#include <botan/exceptn.h>
-#include <cctype>
-
-namespace Botan {
-
-namespace Charset {
-
-namespace {
-
-/*
-* Convert from UCS-2 to ISO 8859-1
-*/
-std::string ucs2_to_latin1(const std::string& ucs2)
-   {
-   if(ucs2.size() % 2 == 1)
-      throw Decoding_Error("UCS-2 string has an odd number of bytes");
-
-   std::string latin1;
-
-   for(size_t i = 0; i != ucs2.size(); i += 2)
-      {
-      const byte c1 = ucs2[i];
-      const byte c2 = ucs2[i+1];
-
-      if(c1 != 0)
-         throw Decoding_Error("UCS-2 has non-Latin1 characters");
-
-      latin1 += static_cast<char>(c2);
-      }
-
-   return latin1;
-   }
-
-/*
-* Convert from UTF-8 to ISO 8859-1
-*/
-std::string utf8_to_latin1(const std::string& utf8)
-   {
-   std::string iso8859;
-
-   size_t position = 0;
-   while(position != utf8.size())
-      {
-      const byte c1 = static_cast<byte>(utf8[position++]);
-
-      if(c1 <= 0x7F)
-         iso8859 += static_cast<char>(c1);
-      else if(c1 >= 0xC0 && c1 <= 0xC7)
-         {
-         if(position == utf8.size())
-            throw Decoding_Error("UTF-8: sequence truncated");
-
-         const byte c2 = static_cast<byte>(utf8[position++]);
-         const byte iso_char = ((c1 & 0x07) << 6) | (c2 & 0x3F);
-
-         if(iso_char <= 0x7F)
-            throw Decoding_Error("UTF-8: sequence longer than needed");
-
-         iso8859 += static_cast<char>(iso_char);
-         }
-      else
-         throw Decoding_Error("UTF-8: Unicode chars not in Latin1 used");
-      }
-
-   return iso8859;
-   }
-
-/*
-* Convert from ISO 8859-1 to UTF-8
-*/
-std::string latin1_to_utf8(const std::string& iso8859)
-   {
-   std::string utf8;
-   for(size_t i = 0; i != iso8859.size(); ++i)
-      {
-      const byte c = static_cast<byte>(iso8859[i]);
-
-      if(c <= 0x7F)
-         utf8 += static_cast<char>(c);
-      else
-         {
-         utf8 += static_cast<char>((0xC0 | (c >> 6)));
-         utf8 += static_cast<char>((0x80 | (c & 0x3F)));
-         }
-      }
-   return utf8;
-   }
-
-}
-
-/*
-* Perform character set transcoding
-*/
-std::string transcode(const std::string& str,
-                      Character_Set to, Character_Set from)
-   {
-   if(to == LOCAL_CHARSET)
-      to = LATIN1_CHARSET;
-   if(from == LOCAL_CHARSET)
-      from = LATIN1_CHARSET;
-
-   if(to == from)
-      return str;
-
-   if(from == LATIN1_CHARSET && to == UTF8_CHARSET)
-      return latin1_to_utf8(str);
-   if(from == UTF8_CHARSET && to == LATIN1_CHARSET)
-      return utf8_to_latin1(str);
-   if(from == UCS2_CHARSET && to == LATIN1_CHARSET)
-      return ucs2_to_latin1(str);
-
-   throw Invalid_Argument("Unknown transcoding operation from " +
-                          std::to_string(from) + " to " + std::to_string(to));
-   }
-
-/*
-* Check if a character represents a digit
-*/
-bool is_digit(char c)
-   {
-   if(c == '0' || c == '1' || c == '2' || c == '3' || c == '4' ||
-      c == '5' || c == '6' || c == '7' || c == '8' || c == '9')
-      return true;
-   return false;
-   }
-
-/*
-* Check if a character represents whitespace
-*/
-bool is_space(char c)
-   {
-   if(c == ' ' || c == '\t' || c == '\n' || c == '\r')
-      return true;
-   return false;
-   }
-
-/*
-* Convert a character to a digit
-*/
-byte char2digit(char c)
-   {
-   switch(c)
-      {
-      case '0': return 0;
-      case '1': return 1;
-      case '2': return 2;
-      case '3': return 3;
-      case '4': return 4;
-      case '5': return 5;
-      case '6': return 6;
-      case '7': return 7;
-      case '8': return 8;
-      case '9': return 9;
-      }
-
-   throw Invalid_Argument("char2digit: Input is not a digit character");
-   }
-
-/*
-* Convert a digit to a character
-*/
-char digit2char(byte b)
-   {
-   switch(b)
-      {
-      case 0: return '0';
-      case 1: return '1';
-      case 2: return '2';
-      case 3: return '3';
-      case 4: return '4';
-      case 5: return '5';
-      case 6: return '6';
-      case 7: return '7';
-      case 8: return '8';
-      case 9: return '9';
-      }
-
-   throw Invalid_Argument("digit2char: Input is not a digit");
-   }
-
-/*
-* Case-insensitive character comparison
-*/
-bool caseless_cmp(char a, char b)
-   {
-   return (std::tolower(static_cast<unsigned char>(a)) ==
-           std::tolower(static_cast<unsigned char>(b)));
-   }
-
-}
-
-}