diff options
Diffstat (limited to 'src/nvim/mbyte.h')
| -rw-r--r-- | src/nvim/mbyte.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/nvim/mbyte.h b/src/nvim/mbyte.h index ad9e38004c..dd8e44b3f9 100644 --- a/src/nvim/mbyte.h +++ b/src/nvim/mbyte.h @@ -1,6 +1,7 @@ #ifndef NVIM_MBYTE_H #define NVIM_MBYTE_H +#include <stdint.h> #include <stdbool.h> #include <string.h> @@ -18,6 +19,16 @@ #define MB_BYTE2LEN(b) utf8len_tab[b] #define MB_BYTE2LEN_CHECK(b) (((b) < 0 || (b) > 255) ? 1 : utf8len_tab[b]) +/// Maximum value for 'maxcombine' +/// +/// At most that number of composing characters may be attached to the leading +/// character by various `utfc_*` functions. Note that some functions do not +/// have this limit. +enum { MAX_MCO = 6 }; + +// max length of an unicode char +#define MB_MAXCHAR 6 + /* properties used in enc_canon_table[] (first three mutually exclusive) */ #define ENC_8BIT 0x01 #define ENC_DBCS 0x02 @@ -56,6 +67,12 @@ typedef enum { CONV_ICONV = 5, } ConvFlags; +#define MBYTE_NONE_CONV { \ + .vc_type = CONV_NONE, \ + .vc_factor = 1, \ + .vc_fail = false, \ +} + /// Structure used for string conversions typedef struct { int vc_type; ///< Zero or more ConvFlags. @@ -67,6 +84,10 @@ typedef struct { ///< otherwise use '?'. } vimconv_T; +extern const uint8_t utf8len_tab_zero[256]; + +extern const uint8_t utf8len_tab[256]; + #ifdef INCLUDE_GENERATED_DECLARATIONS # include "mbyte.h.generated.h" #endif |