vi.h

   1 /* neatvi main header */
   2
   3 /* helper macros */
   4 #define LEN(a)          (sizeof(a) / sizeof((a)[0]))
   5 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
   6 #define MAX(a, b)       ((a) < (b) ? (b) : (a))
   7
   8 /* line buffer, managing a number of lines */
   9 struct lbuf *lbuf_make(void);
  10 void lbuf_free(struct lbuf *lbuf);
  11 int lbuf_rd(struct lbuf *lbuf, int fd, int beg, int end);
  12 int lbuf_wr(struct lbuf *lbuf, int fd, int beg, int end);
  13 void lbuf_edit(struct lbuf *lbuf, char *s, int beg, int end);
  14 char *lbuf_cp(struct lbuf *lbuf, int beg, int end);
  15 char *lbuf_get(struct lbuf *lbuf, int pos);
  16 int lbuf_len(struct lbuf *lbuf);
  17 void lbuf_mark(struct lbuf *lbuf, int mark, int pos, int off);
  18 int lbuf_jump(struct lbuf *lbuf, int mark, int *pos, int *off);
  19 int lbuf_undo(struct lbuf *lbuf);
  20 int lbuf_redo(struct lbuf *lbuf);
  21 int lbuf_modified(struct lbuf *lb);
  22 void lbuf_saved(struct lbuf *lb, int clear);
  23 int lbuf_indents(struct lbuf *lb, int r);
  24 int lbuf_eol(struct lbuf *lb, int r);
  25 int lbuf_glob(struct lbuf *lb, int pos, int v);
  26 /* motions */
  27 int lbuf_findchar(struct lbuf *lb, char *cs, int cmd, int n, int *r, int *o);
  28 int lbuf_search(struct lbuf *lb, char *kw, int dir, int *r, int *o, int *len);
  29 int lbuf_paragraphbeg(struct lbuf *lb, int dir, int *row, int *off);
  30 int lbuf_sectionbeg(struct lbuf *lb, int dir, int *row, int *off);
  31 int lbuf_wordbeg(struct lbuf *lb, int big, int dir, int *row, int *off);
  32 int lbuf_wordend(struct lbuf *lb, int big, int dir, int *row, int *off);
  33 int lbuf_pair(struct lbuf *lb, int *row, int *off);
  34
  35 /* string buffer, variable-sized string */
  36 struct sbuf *sbuf_make(void);
  37 void sbuf_free(struct sbuf *sb);
  38 char *sbuf_done(struct sbuf *sb);
  39 char *sbuf_buf(struct sbuf *sb);
  40 void sbuf_chr(struct sbuf *sb, int c);
  41 void sbuf_str(struct sbuf *sb, char *s);
  42 void sbuf_mem(struct sbuf *sb, char *s, int len);
  43 void sbuf_printf(struct sbuf *sbuf, char *s, ...);
  44 int sbuf_len(struct sbuf *sb);
  45 void sbuf_cut(struct sbuf *s, int len);
  46
  47 /* regular expression sets */
  48 #define RE_ICASE                1
  49 #define RE_NOTBOL               2
  50 #define RE_NOTEOL               4
  51
  52 struct rset *rset_make(int n, char **pat, int flg);
  53 int rset_find(struct rset *re, char *s, int n, int *grps, int flg);
  54 void rset_free(struct rset *re);
  55 char *re_read(char **src);
  56
  57 /* rendering lines */
  58 int *ren_position(char *s);
  59 int ren_next(char *s, int p, int dir);
  60 int ren_eol(char *s, int dir);
  61 int ren_pos(char *s, int off);
  62 int ren_cursor(char *s, int pos);
  63 int ren_noeol(char *s, int p);
  64 int ren_off(char *s, int pos);
  65 int ren_wid(char *s);
  66 int ren_region(char *s, int c1, int c2, int *l1, int *l2, int closed);
  67 char *ren_translate(char *s, char *ln);
  68 int ren_cwid(char *s, int pos);
  69
  70 /* text direction */
  71 int dir_context(char *s);
  72 void dir_reorder(char *s, int *ord);
  73 void dir_init(void);
  74 void dir_done(void);
  75
  76 /* string registers */
  77 char *reg_get(int c, int *lnmode);
  78 void reg_put(int c, char *s, int lnmode);
  79 void reg_done(void);
  80
  81 /* utf-8 helper functions */
  82 int uc_len(char *s);
  83 int uc_wid(char *s);
  84 int uc_slen(char *s);
  85 int uc_code(char *s);
  86 char *uc_chr(char *s, int off);
  87 int uc_off(char *s, int off);
  88 char *uc_sub(char *s, int beg, int end);
  89 char *uc_dup(char *s);
  90 int uc_isspace(char *s);
  91 int uc_isprint(char *s);
  92 int uc_isdigit(char *s);
  93 int uc_isalpha(char *s);
  94 int uc_kind(char *c);
  95 int uc_isbell(char *c);
  96 int uc_iscomb(char *c);
  97 char **uc_chop(char *s, int *n);
  98 char *uc_next(char *s);
  99 char *uc_prev(char *beg, char *s);
 100 char *uc_beg(char *beg, char *s);
 101 char *uc_end(char *s);
 102 char *uc_shape(char *beg, char *s);
 103 char *uc_lastline(char *s);
 104
 105 /* managing the terminal */
 106 #define xrows           (term_rows() - 1)
 107 #define xcols           (term_cols())
 108
 109 void term_init(void);
 110 void term_done(void);
 111 void term_suspend(void);
 112 void term_str(char *s);
 113 void term_chr(int ch);
 114 void term_pos(int r, int c);
 115 void term_clear(void);
 116 void term_kill(void);
 117 void term_room(int n);
 118 int term_rows(void);
 119 int term_cols(void);
 120 int term_read(void);
 121 void term_record(void);
 122 void term_commit(void);
 123 char *term_att(int att, int old);
 124 void term_push(char *s, int n);
 125 char *term_cmd(int *n);
 126
 127 #define TK_CTL(x)       ((x) & 037)
 128 #define TK_INT(c)       ((c) < 0 || (c) == TK_ESC || (c) == TK_CTL('c'))
 129 #define TK_ESC          (TK_CTL('['))
 130
 131 /* line-oriented input and output */
 132 char *led_prompt(char *pref, char *post, char **kmap);
 133 char *led_input(char *pref, char *post, char **kmap);
 134 char *led_read(char **kmap);
 135 void led_print(char *msg, int row);
 136 void led_printmsg(char *s, int row);
 137 int led_pos(char *s, int pos);
 138
 139 /* ex commands */
 140 void ex(void);
 141 void ex_command(char *cmd);
 142 char *ex_read(char *msg);
 143 void ex_print(char *line);
 144 void ex_show(char *msg);
 145 int ex_init(char **files);
 146 void ex_done(void);
 147 char *ex_path(void);
 148 char *ex_filetype(void);
 149 char **ex_kmap(void);
 150 char *ex_kmapalt(void);
 151 struct lbuf *ex_lbuf(void);
 152 int ex_kwd(char **kwd, int *dir);
 153 void ex_kwdset(char *kwd, int dir);
 154
 155 #define EXLEN   512             /* ex line length */
 156 #define xb      ex_lbuf()
 157
 158 /* process management */
 159 char *cmd_pipe(char *cmd, char *s, int iproc, int oproc);
 160 int cmd_exec(char *cmd);
 161
 162 /* syntax highlighting */
 163 #define SYN_BD          0x010000
 164 #define SYN_IT          0x020000
 165 #define SYN_RV          0x040000
 166 #define SYN_FGMK(f)     (0x100000 | (f))
 167 #define SYN_BGMK(b)     (0x200000 | ((b) << 8))
 168
 169 #define SYN_FLG         0xff0000
 170 #define SYN_FGSET(a)    ((a) & 0x1000ff)
 171 #define SYN_BGSET(a)    ((a) & 0x20ff00)
 172 #define SYN_FG(a)       ((a) & 0xff)
 173 #define SYN_BG(a)       (((a) >> 8) & 0xff)
 174
 175 int *syn_highlight(char *ft, char *s);
 176 char *syn_filetype(char *path);
 177 int syn_merge(int old, int new);
 178 void syn_init(void);
 179 void syn_done(void);
 180
 181 /* configuration variables */
 182 int conf_dirmark(int idx, char **pat, int *ctx, int *dir, int *grp);
 183 int conf_dircontext(int idx, char **pat, int *ctx);
 184 int conf_placeholder(int idx, char **s, char **d, int *wid);
 185 int conf_highlight(int idx, char **ft, int **att, char **pat, int *end);
 186 int conf_filetype(int idx, char **ft, char **pat);
 187 int conf_highlight_revdir(int *att);
 188 char **conf_kmap(char *name);
 189 char *conf_digraph(int c1, int c2);
 190
 191 /* global variables */
 192 extern int xrow;
 193 extern int xoff;
 194 extern int xtop;
 195 extern int xleft;
 196 extern int xvis;
 197 extern int xled;
 198 extern int xquit;
 199 extern int xic;
 200 extern int xai;
 201 extern int xdir;
 202 extern int xshape;
 203 extern int xorder;
 204 extern int xhl;