src/charsets.h

   1
   2 /** \file charsets.h
   3  *  \brief Header: Text conversion from one charset to another
   4  */
   5
   6 #ifndef MC_CHARSETS_H
   7 #define MC_CHARSETS_H
   8
   9 #ifdef HAVE_CHARSET
  10
  11 #define UNKNCHAR '\001'
  12
  13 extern int n_codepages;
  14
  15 extern unsigned char conv_displ[256];
  16 extern unsigned char conv_input[256];
  17
  18 struct codepage_desc {
  19     char *id;
  20     char *name;
  21 };
  22
  23 extern const char *cp_display;
  24 extern const char *cp_source;
  25 extern struct codepage_desc *codepages;
  26
  27 const char *get_codepage_id (const int n);
  28 int get_codepage_index (const char *id);
  29 int load_codepages_list (void);
  30 void free_codepages_list (void);
  31 char *init_translation_table (int cpsource, int cpdisplay);
  32 void convert_to_display (char *str);
  33 void convert_from_input (char *str);
  34 void convert_string (unsigned char *str);
  35 /*
  36  * Converter from utf to selected codepage
  37  * param str, utf char
  38  * return char in needle codepage (by global int source_codepage)
  39 */
  40 unsigned char convert_from_utf_to_current (const char *str);
  41 /*
  42  * Converter from utf to selected codepage
  43  * param input_char, gunichar
  44  * return char in needle codepage (by global int source_codepage)
  45 */
  46 unsigned char convert_from_utf_to_current_c (const int input_char, GIConv conv);
  47 /*
  48  * Converter from selected codepage 8-bit
  49  * param char input_char, GIConv converter
  50  * return int utf char
  51 */
  52 int convert_from_8bit_to_utf_c (const char input_char, GIConv conv);
  53 /*
  54  * Converter from display codepage 8-bit to utf-8
  55  * param char input_char, GIConv converter
  56  * return int utf char
  57 */
  58 int convert_from_8bit_to_utf_c2 (const char input_char);
  59
  60 GString *str_convert_to_input (char *str);
  61 GString *str_nconvert_to_input (char *str, int len);
  62
  63 GString *str_convert_to_display (char *str);
  64 GString *str_nconvert_to_display (char *str, int len);
  65
  66 /* Convert single characters */
  67 static inline int
  68 convert_to_display_c (int c)
  69 {
  70     if (c < 0 || c >= 256)
  71         return c;
  72     return conv_displ[c];
  73 }
  74
  75 static inline int
  76 convert_from_input_c (int c)
  77 {
  78     if (c < 0 || c >= 256)
  79         return c;
  80     return conv_input[c];
  81 }
  82
  83 #else /* !HAVE_CHARSET */
  84
  85 #define convert_to_display_c(c) (c)
  86 #define convert_from_input_c(c) (c)
  87 #define convert_to_display(str) do {} while (0)
  88 #define convert_from_input(str) do {} while (0)
  89
  90 #endif /* HAVE_CHARSET */
  91
  92 #endif