Commit | Line | Data |
---|---|---|
fe3db729 | 1 | #ifndef lint |
2b269ee7 | 2 | static char *sccsid = "@(#)wwwrite.c 3.3 83/08/16"; |
fe3db729 EW |
3 | #endif |
4 | ||
5 | #include "ww.h" | |
6 | ||
fe3db729 EW |
7 | wwwrite(w, p, n) |
8 | register struct ww *w; | |
9 | register char *p; | |
2b269ee7 | 10 | int n; |
fe3db729 | 11 | { |
2b269ee7 | 12 | char c; |
bb05dfb5 | 13 | int oldn = n; |
fe3db729 | 14 | |
bb05dfb5 | 15 | if (w == 0) |
fe3db729 | 16 | return -1; |
39b49130 EW |
17 | wwnwrite++; |
18 | wwnwritec += n; | |
bb05dfb5 | 19 | while (--n >= 0) { |
fe3db729 EW |
20 | c = *p++ & 0x7f; |
21 | switch (w->ww_wstate) { | |
22 | case 0: | |
2b269ee7 EW |
23 | if (!ISCTRL(c)) { |
24 | int i, j; | |
25 | register union ww_char *bp; | |
26 | union ww_char *bq; | |
27 | register union ww_char *ns; | |
28 | register char *smap; | |
29 | register char *win; | |
30 | char *touched; | |
bb05dfb5 | 31 | |
2b269ee7 | 32 | if (w->ww_insert) { |
30647f51 EW |
33 | wwinschar(w, w->ww_scroll + w->ww_cur.r, |
34 | w->ww_cur.c, c); | |
2b269ee7 EW |
35 | goto right; |
36 | } | |
37 | i = w->ww_w.nc - w->ww_cur.c - 1; | |
38 | bp = bq = &w->ww_buf[w->ww_scroll+w->ww_cur.r] | |
39 | [w->ww_cur.c]; | |
40 | bp++->c_w = c; | |
41 | while (n > 0 && --i >= 0 && !ISCTRL(*p)) { | |
42 | n--; | |
43 | bp++->c_w = *p++; | |
44 | } | |
45 | win = &w->ww_win[w->ww_cur.r][w->ww_cur.c]; | |
46 | i = wwcurrow(w); | |
47 | j = wwcurcol(w); | |
48 | smap = &wwsmap[i][j]; | |
49 | ns = &wwns[i][j]; | |
50 | touched = &wwtouched[i]; | |
51 | j = i = bp - bq; | |
52 | bp = bq; | |
53 | while (--i >= 0) { | |
54 | if (*smap++ == w->ww_index) { | |
55 | *touched = 1; | |
56 | ns++->c_w = bp++->c_w | |
57 | ^ *win++ << WWC_MSHIFT; | |
58 | } else { | |
59 | ns++; | |
60 | bp++; | |
61 | win++; | |
30647f51 | 62 | } |
bb05dfb5 | 63 | } |
2b269ee7 | 64 | if ((w->ww_cur.c += j) >= w->ww_w.nc) { |
bb05dfb5 EW |
65 | w->ww_cur.c = 0; |
66 | goto lf; | |
67 | } | |
fe3db729 EW |
68 | break; |
69 | } | |
70 | switch (c) { | |
71 | case '\n': | |
bb05dfb5 EW |
72 | if (w->ww_mapnl) |
73 | w->ww_cur.c = 0; | |
74 | lf: | |
75 | if (++w->ww_cur.r >= w->ww_w.nr) { | |
76 | w->ww_cur.r = w->ww_w.nr - 1; | |
77 | wwdelline(w, 0); | |
78 | } | |
fe3db729 EW |
79 | break; |
80 | case '\t': | |
bb05dfb5 | 81 | w->ww_cur.c |= 7; |
2b269ee7 EW |
82 | right: |
83 | if (++w->ww_cur.c >= w->ww_w.nc) { | |
84 | w->ww_cur.c = 0; | |
85 | goto lf; | |
86 | } | |
bb05dfb5 | 87 | break; |
fe3db729 | 88 | case '\b': |
bb05dfb5 EW |
89 | if (--w->ww_cur.c < 0) |
90 | w->ww_cur.c = 0; | |
91 | break; | |
fe3db729 | 92 | case '\r': |
bb05dfb5 EW |
93 | w->ww_cur.c = 0; |
94 | break; | |
fe3db729 | 95 | case CTRL(g): |
bb05dfb5 | 96 | wwbell(); |
fe3db729 EW |
97 | break; |
98 | case CTRL([): | |
99 | w->ww_wstate = 1; | |
100 | break; | |
101 | } | |
102 | break; | |
103 | case 1: | |
104 | w->ww_wstate = 0; | |
105 | switch (c) { | |
106 | case '@': | |
107 | w->ww_insert = 1; | |
108 | break; | |
109 | case 'A': | |
bb05dfb5 EW |
110 | if (--w->ww_cur.r < 0) |
111 | w->ww_cur.r = 0; | |
fe3db729 EW |
112 | break; |
113 | case 'B': | |
bb05dfb5 | 114 | goto lf; |
fe3db729 | 115 | case 'C': |
bb05dfb5 | 116 | goto right; |
fe3db729 | 117 | case 'E': |
30647f51 | 118 | w->ww_scroll = 0; |
bb05dfb5 | 119 | w->ww_cur.c = w->ww_cur.r = 0; |
30647f51 | 120 | wwclreos(w, 0, 0); |
fe3db729 EW |
121 | break; |
122 | case 'H': | |
bb05dfb5 | 123 | w->ww_cur.c = w->ww_cur.r = 0; |
fe3db729 EW |
124 | break; |
125 | case 'J': | |
30647f51 EW |
126 | wwclreos(w, w->ww_scroll + w->ww_cur.r, |
127 | w->ww_cur.c); | |
fe3db729 EW |
128 | break; |
129 | case 'K': | |
bb05dfb5 | 130 | wwclreol(w, w->ww_scroll + w->ww_cur.r, |
30647f51 | 131 | w->ww_cur.c); |
fe3db729 EW |
132 | break; |
133 | case 'L': | |
30647f51 | 134 | wwinsline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
135 | break; |
136 | case 'M': | |
bb05dfb5 | 137 | wwdelline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
138 | break; |
139 | case 'N': | |
30647f51 EW |
140 | wwdelchar(w, w->ww_scroll + w->ww_cur.r, |
141 | w->ww_cur.c); | |
fe3db729 EW |
142 | break; |
143 | case 'O': | |
144 | w->ww_insert = 0; | |
145 | break; | |
146 | case 'Y': | |
147 | w->ww_wstate = 2; | |
148 | break; | |
149 | } | |
150 | break; | |
151 | case 2: | |
bb05dfb5 | 152 | w->ww_cur.r = (c - ' ') % w->ww_w.nr; |
fe3db729 EW |
153 | w->ww_wstate++; |
154 | break; | |
155 | case 3: | |
bb05dfb5 | 156 | w->ww_cur.c = (c - ' ') % w->ww_w.nc; |
fe3db729 EW |
157 | w->ww_wstate = 0; |
158 | break; | |
159 | } | |
160 | } | |
bb05dfb5 | 161 | return oldn - n; |
fe3db729 | 162 | } |