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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "7ed.h"
#include "input.h"
#include "i_validation.h"
#include "process_multiples.h"
#include <stdint.h>
int ncat(char filename[]) {
FILE *file;
file = fopen(filename,"r");
if (file == NULL) {
fprintf(stderr, "Cannot open file. ncat\n");
return 1;
}
char buffer[BUF_SZ_2];
size_t bytes_read;
while ((bytes_read = fread(buffer, 1, BUF_SZ_2, file)) > 0) {
fwrite(buffer, 1, bytes_read, stdout);
}
fclose(file);
return 0;
}
int display_name_linecount(char *filename) {
uint64_t Flines;
int returnval = count_lines_in_file(filename, &Flines);
if (returnval == 1) {
return 1;
}
fprintf(stdout,"%s %ld lines\n", filename, Flines);
return 0;
}
int call_singles(char single, uint64_t focus, char *filename) {
switch(single) {
case 'p':
case 'P':
char *line;
size_t start;
int ret = get_line(filename, focus, &line, &start);
if (ret == 1) {
return EXIT_FAILURE;
}
fprintf(stdout, "%s", line);
free(line);
break;
case 'e':
case 'E':
editmode(filename, focus);
break;
case 'c':
case 'C':
int dnl = display_name_linecount(filename);
if (dnl == 1) {
return EXIT_FAILURE;
}
break;
case 'q':
case 'Q':
exit(EXIT_SUCCESS);
break;
case 'a':
case 'A':
ncat(filename);
break;
}
return 0;
}
int startmode(char filename[]) {
// The entry to the program. Count lines and display the count. Also show which file is being edited.
uint64_t Flines;
int dnl = display_name_linecount(filename);
if (dnl == 1) {
return EXIT_FAILURE;
}
uint64_t focus = 1; // The focus variable. Which is the actual line number we have "selected"
while (1) {
char *multiple;
char single;
int clif = count_lines_in_file(filename, Flines);
if (clif == )
int smode_input_ret = smode_input(&single, &multiple, focus, Flines);
switch (smode_input_ret) {
case _SINGLE:
call_singles(single, focus, filename);
break;
case _MULTIPLE:
//fprintf(stdout, "multiple\n");
//fprintf(stdout, "%s", multiple);
switch(multiple[0]) {
case 'l':
case 'L':
focus = call_L(multiple, focus);
break;
case 'n':
case 'N':
call_N(multiple);
break;
case 'x':
case 'X':
call_X(multiple);
break;
case 'd':
case 'D':
call_D(multiple);
break;
}
free(multiple);
break;
case _FAIL:
fprintf(stdout, "?\n");
break;
case _RETURN: // if user just preses 'return' button
break;
}
}
}
|