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