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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 <stdint.h>
int check_L_linecount(uint64_t Flines, uint64_t focus) {
if (focus < 1 || focus > Flines) {
fprintf(stderr, "check_L_linecount()\n");
return _INVALID;
}
return _VALID;
}
uint64_t call_L_plus_minus_continue(char *multiple) {
char new_multiple[32] = { '\0' };
int i = 0;
int j = 2;
for( ; multiple[j] != '\n' ; i++, j++) {
new_multiple[i] = multiple[j];
}
fprintf(stdout, "%s\n", new_multiple);
return 0;
}
uint64_t call_L_only(uint64_t focus, uint64_t Flines) {
char buf[32] = { '\0' };
fprintf(stdout, "(L): ");
fgets(buf, 30, stdin);
if (buf[0] == '\n') {
return focus;
}
char *endptr;
uint64_t new_focus = strtol(buf, &endptr, 10);
errno = 0;
if (errno == ERANGE) {
return focus;
}
if (endptr == buf) {
return focus;
}
if (*endptr != '\n') {
return focus;
}
int cll = check_L_linecount(Flines, new_focus);
if (cll == _INVALID) {
return focus;
}
return new_focus;
}
uint64_t call_L_plus_minus_only(uint64_t focus, char p_or_m, uint64_t Flines) {
switch (p_or_m) {
case '+': {
int cll = check_L_linecount(Flines, focus+1);
if (cll == _INVALID) {
return focus;
}
return focus+1;
break; }
case '-': {
int cll = check_L_linecount(Flines, focus-1);
if (cll == _INVALID) {
return focus;
}
return focus-1;
break; }
}
return _NA;
}
uint64_t call_L(char *multiple, uint64_t focus, uint64_t Flines) {
int imm = _IMM_NUMBER;
if (multiple[1] == '\n') {
imm = _NA;
focus = call_L_only(focus, Flines);
return focus;
}
if (multiple[1] == '+' || multiple[1] == '-') {
imm = _NA;
if (multiple[2] == '\n') { // This is where - and + only inputs happen and get processed
focus = call_L_plus_minus_only(focus, multiple[1], Flines);
return focus;
}
call_L_plus_minus_continue(multiple);
}
if (imm == _IMM_NUMBER) {
fprintf(stdout, "immediate\n");
}
return focus;
}
int call_N(char *multiple) {
fprintf(stdout, "%s\n", multiple);
return 0;
}
int call_X(char *multiple) {
fprintf(stdout, "%s\n", multiple);
return 0;
}
int call_D(char *multiple) {
fprintf(stdout, "%s\n", multiple);
return 0;
}
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