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#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>
#include <sys/stat.h>
extern int clfstdin_doubleprint;
uint8_t new = 0;
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': {
if (new == 1) { fprintf(stdout, "[NEW] "); }
int dnl = display_name_linecount(filename);
if (dnl == 1) {
return EXIT_FAILURE;
}
break; }
case 'q':
case 'Q':
if (new == 1) {
//fprintf(stdout, "no change, remove\n");
remove(filename);
}
exit(EXIT_SUCCESS);
break;
case 'a':
case 'A':
ncat(filename);
break;
}
return 0;
}
uint8_t check_if_file_exists(char *filename) { // If the file exists then do nothing. If it does not exist then make it.
FILE *file;
file = fopen(filename,"r"); // Open file
if (file == NULL) {
return FILE_NOT_FOUND;
}
fclose(file);
return FILE_EXISTS;
}
int fe_stop = 0;
int startmode(char filename[]) {
uint8_t file_existence = check_if_file_exists(filename);
if (fe_stop == 0) {
if (file_existence == FILE_NOT_FOUND) {
//fprintf(stdout, "filenotfound\n");
new = 1;
fe_stop = 1;
FILE *file = fopen(filename, "w");
fclose(file);
}
}
struct stat sb;
stat(filename, &sb);
if (sb.st_mode & S_IFDIR) { // check if its a directory
fprintf(stderr, "This is a directory\n");
exit(EXIT_FAILURE);
}
// The entry to the program. Count lines and display the count. Also show which file is being edited.
uint64_t Flines;
if (new == 1) { fprintf(stdout, "[NEW] "); }
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 == 1) {
return EXIT_FAILURE;
}
int smode_input_ret = smode_input(&single, &multiple, focus);
switch (smode_input_ret) {
case _SINGLE:
call_singles(single, focus, filename);
break;
case _MULTIPLE:
switch(multiple[0]) {
case 'l':
case 'L':
focus = call_L(multiple, focus, Flines);
break;
case 'n':
case 'N':
if(call_N(multiple, focus, Flines, filename) == 0) {
new = 0;
}
break;
case 'x':
case 'X':
call_X(multiple, focus, Flines, filename);
break;
case 'd':
case 'D':
focus = call_D(multiple, focus, Flines, filename);
break;
}
free(multiple);
break;
case _FAIL:
if (clfstdin_doubleprint == 0) {
clfstdin_doubleprint = 1;
break;
}
fprintf(stdout, "?\n");
break;
case _RETURN: // if user just preses 'return' button
break;
}
}
}
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