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 void lbuf_globset(struct lbuf *lb, int pos, int dep);
  26 int lbuf_globget(struct lbuf *lb, int pos, int dep);
  27 /* motions */
  28 int lbuf_findchar(struct lbuf *lb, char *cs, int cmd, int n, int *r, int *o);
  29 int lbuf_search(struct lbuf *lb, char *kw, int dir, int *r, int *o, int *len);
  30 int lbuf_paragraphbeg(struct lbuf *lb, int dir, int *row, int *off);
  31 int lbuf_sectionbeg(struct lbuf *lb, int dir, char *sec, int *row, int *off);
  32 int lbuf_wordbeg(struct lbuf *lb, int big, int dir, int *row, int *off);
  33 int lbuf_wordend(struct lbuf *lb, int big, int dir, int *row, int *off);
  34 int lbuf_pair(struct lbuf *lb, int *row, int *off);
  35
  36 /* string buffer, variable-sized string */
  37 struct sbuf *sbuf_make(void);
  38 void sbuf_free(struct sbuf *sb);
  39 char *sbuf_done(struct sbuf *sb);
  40 char *sbuf_buf(struct sbuf *sb);
  41 void sbuf_chr(struct sbuf *sb, int c);
  42 void sbuf_str(struct sbuf *sb, char *s);
  43 void sbuf_mem(struct sbuf *sb, char *s, int len);
  44 void sbuf_printf(struct sbuf *sbuf, char *s, ...);
  45 int sbuf_len(struct sbuf *sb);
  46 void sbuf_cut(struct sbuf *s, int len);
  47
  48 /* regular expressions */
  49 #define RE_ICASE                1
  50 #define RE_NOTBOL               2
  51 #define RE_NOTEOL               4
  52 /* regular expression sets: searching for multiple regular expressions */
  53 struct rset *rset_make(int n, char **pat, int flg);
  54 int rset_find(struct rset *re, char *s, int n, int *grps, int flg);
  55 void rset_free(struct rset *re);
  56 char *re_read(char **src);
  57 /* searching for a single pattern regular expression */
  58 struct rstr *rstr_make(char *re, int flg);
  59 int rstr_find(struct rstr *rs, char *s, int n, int *grps, int flg);
  60 void rstr_free(struct rstr *rs);
  61
  62 /* rendering lines */
  63 int *ren_position(char *s);
  64 int ren_next(char *s, int p, int dir);
  65 int ren_eol(char *s, int dir);
  66 int ren_pos(char *s, int off);
  67 int ren_cursor(char *s, int pos);
  68 int ren_noeol(char *s, int p);
  69 int ren_off(char *s, int pos);
  70 int ren_wid(char *s);
  71 int ren_region(char *s, int c1, int c2, int *l1, int *l2, int closed);
  72 char *ren_translate(char *s, char *ln);
  73 int ren_cwid(char *s, int pos);
  74
  75 /* text direction */
  76 int dir_context(char *s);
  77 void dir_reorder(char *s, int *ord);
  78 void dir_init(void);
  79 void dir_done(void);
  80
  81 /* string registers */
  82 char *reg_get(int c, int *lnmode);
  83 void reg_put(int c, char *s, int lnmode);
  84 void reg_done(void);
  85
  86 /* utf-8 helper functions */
  87 int uc_len(char *s);
  88 int uc_wid(char *s);
  89 int uc_slen(char *s);
  90 int uc_code(char *s);
  91 char *uc_chr(char *s, int off);
  92 int uc_off(char *s, int off);
  93 char *uc_sub(char *s, int beg, int end);
  94 char *uc_dup(char *s);
  95 char *uc_cat(char *s, char *r);
  96 int uc_isspace(char *s);
  97 int uc_isprint(char *s);
  98 int uc_isdigit(char *s);
  99 int uc_isalpha(char *s);
 100 int uc_kind(char *c);
 101 int uc_isbell(char *c);
 102 int uc_iscomb(char *c);
 103 char **uc_chop(char *s, int *n);
 104 char *uc_next(char *s);
 105 char *uc_prev(char *beg, char *s);
 106 char *uc_beg(char *beg, char *s);
 107 char *uc_end(char *s);
 108 char *uc_shape(char *beg, char *s);
 109 char *uc_lastline(char *s);
 110
 111 /* managing the terminal */
 112 #define xrows           (term_rows())
 113 #define xcols           (term_cols())
 114
 115 void term_init(void);
 116 void term_done(void);
 117 void term_suspend(void);
 118 void term_str(char *s);
 119 void term_chr(int ch);
 120 void term_pos(int r, int c);
 121 void term_clear(void);
 122 void term_kill(void);
 123 void term_room(int n);
 124 void term_window(int row, int cnt);
 125 int term_rows(void);
 126 int term_cols(void);
 127 int term_rowx(void);
 128 int term_read(void);
 129 void term_record(void);
 130 void term_commit(void);
 131 char *term_att(int att, int old);
 132 void term_push(char *s, int n);
 133 char *term_cmd(int *n);
 134
 135 #define TK_CTL(x)       ((x) & 037)
 136 #define TK_INT(c)       ((c) < 0 || (c) == TK_ESC || (c) == TK_CTL('c'))
 137 #define TK_ESC          (TK_CTL('['))
 138
 139 /* line-oriented input and output */
 140 char *led_prompt(char *pref, char *post, int *kmap, char *syn, char *hist);
 141 char *led_input(char *pref, char *post, int *kmap, char *syn);
 142 void led_print(char *msg, int row, char *syn);
 143 void led_printmsg(char *s, int row, char *syn);
 144 char *led_read(int *kmap);
 145 int led_pos(char *s, int pos);
 146
 147 /* ex commands */
 148 void ex(void);
 149 int ex_command(char *cmd);
 150 char *ex_read(char *msg);
 151 void ex_print(char *line);
 152 void ex_show(char *msg);
 153 int ex_init(char **files);
 154 void ex_done(void);
 155 char *ex_path(void);
 156 char *ex_filetype(void);
 157 struct lbuf *ex_lbuf(void);
 158 int ex_kwd(char **kwd, int *dir);
 159 void ex_kwdset(char *kwd, int dir);
 160
 161 #define EXLEN   512             /* ex line length */
 162 #define xb      ex_lbuf()
 163
 164 /* process management */
 165 char *cmd_pipe(char *cmd, char *s, int oproc);
 166 int cmd_exec(char *cmd);
 167
 168 /* syntax highlighting */
 169 #define SYN_BD          0x010000
 170 #define SYN_IT          0x020000
 171 #define SYN_RV          0x040000
 172 #define SYN_FGMK(f)     (0x100000 | (f))
 173 #define SYN_BGMK(b)     (0x200000 | ((b) << 8))
 174
 175 #define SYN_FLG         0xff0000
 176 #define SYN_FGSET(a)    ((a) & 0x1000ff)
 177 #define SYN_BGSET(a)    ((a) & 0x20ff00)
 178 #define SYN_FG(a)       ((a) & 0xff)
 179 #define SYN_BG(a)       (((a) >> 8) & 0xff)
 180
 181 int *syn_highlight(char *ft, char *s);
 182 char *syn_filetype(char *path);
 183 void syn_context(int att);
 184 int syn_merge(int old, int new);
 185 void syn_init(void);
 186 void syn_done(void);
 187
 188 /* configuration variables */
 189 int conf_dirmark(int idx, char **pat, int *ctx, int *dir, int *grp);
 190 int conf_dircontext(int idx, char **pat, int *ctx);
 191 int conf_placeholder(int idx, char **s, char **d, int *wid);
 192 int conf_highlight(int idx, char **ft, int **att, char **pat, int *end);
 193 int conf_filetype(int idx, char **ft, char **pat);
 194 int conf_hlrev(void);
 195 int conf_hlline(void);
 196 int conf_hlmode(void);
 197 int conf_hlback(void);
 198 int conf_mode(void);
 199 char **conf_kmap(int id);
 200 int conf_kmapfind(char *name);
 201 char *conf_digraph(int c1, int c2);
 202 char *conf_lnpref(void);
 203 char *conf_definition(char *ft);
 204 char *conf_section(char *ft);
 205 char *conf_ecmd(void);
 206
 207 /* global variables */
 208 extern int xrow;
 209 extern int xoff;
 210 extern int xtop;
 211 extern int xleft;
 212 extern int xvis;
 213 extern int xled;
 214 extern int xquit;
 215 extern int xic;
 216 extern int xai;
 217 extern int xtd;
 218 extern int xshape;
 219 extern int xorder;
 220 extern int xhl;
 221 extern int xhll;
 222 extern int xkmap;
 223 extern int xkmap_alt;
 224 extern int xlim;
 225 extern int xru;
 226 extern int xhist;
 227
 228 /* tag file handling */
 229 int tag_init(void);
 230 int tag_find(char *name, int *pos, int dir, char *path, int pathlen, char *cmd, int cmdlen);
 231 void tag_done(void);