1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
#include <stdio.h>
#include <string.h>
#include "gramscii.h"
/*** File management ***/
void write_file(FILE *fc){
FILE *fout;
int i, ne;
if (!fname[0] || force_new){
get_string(fc, "Write to: ", fname, 255);
if ((fout=fopen(fname, "r"))!=NULL){
if (!is_yes(get_key(fc,"File exists. Overwrite [y/n]?")) ){
fclose(fout);
return;
}
fclose(fout);
}
}
if((fout=fopen(fname, "w"))==NULL){
get_key(fc, "Error opening file.");
return;
}
ne = 0;
for (i=0; i<HEIGHT; i++){
if (strlen(screen.l[i].s)){/* remove trailing blank lines */
/* put the empty lines preceeding the current non-empty one */
while (ne--)
fprintf(fout, "\n");
fprintf(fout, "%s\n", screen.l[i].s);
ne = 0;
}
else ne++;
}
fclose(fout);
modified = 0;
get_key(fc, "File saved.");
}
void check_modified(FILE *fc){
if (modified){
if (!is_yes(get_key(fc, "Unsaved changes. Write to file [y/n]?")) ){
return;
}
write_file(fc);
}
}
void load_file(FILE *fc){
char newfname[256];
FILE *fin;
int i;
get_string(fc, "Load file: ", newfname, 255);
if ((fin=fopen(newfname, "r")) != NULL){
i = 0;
while((fgets(screen.l[i].s, WIDTH+1, fin)) != NULL && i<HEIGHT){
screen.l[i].lst = strlen(screen.l[i].s) - 2;
screen.l[i].n = i;
screen.l[i].s[strlen(screen.l[i].s)-1]='\0';
i++;
}
for(;i<HEIGHT; i++){
erase_line(i);
}
fclose(fin);
}
strcpy(fname, newfname);
modified=0;
redraw();
}
void new_file(FILE *fc){
check_modified(fc);
erase_screen();
go_to(HOME);
redraw();
fname[0] = '\0';
modified=0;
}
|