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| #include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct Marsh {char mbeg[10]; char mend[10]; int number; float distans; Marsh* next;};
const int l_name = 28;
//int n_rec = 0;
//struct Mash {char mbeg[10]; char mend[10]; int number; float distans;};
int compare (const void *marsh1, const void *marsh2);
Marsh* Read_file (char* filename);
Marsh* Add (Marsh* beg, const Marsh &M);
void Print_file (Marsh* beg);
void read (char* filename);
int menu();
/*void Sorting(Marsh* beg);
void Sort(Marsh** beg, Marsh** prev);
void ssort (Marsh* beg);
void sord();*/
void get_name(char* name);
void Find(Marsh* beg);
Marsh* Find_name(Marsh* beg, char* name, Marsh** prev);
Marsh* Remove(Marsh* beg);
Marsh Enter();
Marsh* Read_file (char* filename){
FILE* F;
Marsh M,*beg = 0;
if ((F = fopen(filename, "r")) == 0){
printf ("File does not exist %s\n", filename);
return 0;
}
while (!feof(F)){
fgets (M.mbeg, 10, F);
fgets (M.mend, 10, F);
fscanf (F, "%i%f\n", &M.number, &M.distans);
beg = Add (beg, M);
}
fclose (F);
return beg;
}
Marsh* Add (Marsh* beg, const Marsh& M){
Marsh* sp = new Marsh;
*sp = M;
sp->next = 0;
if (beg){
Marsh* temp = beg;
while (temp->next)
temp = temp->next;
temp->next = sp;
}
else
beg = sp;
return beg;
}
void Print_file (Marsh* beg){
Marsh* sp = beg;
puts("===================================================================");
puts("===================================================================");
puts(" NameBeg I NameEnd I I NumberMarsh I I Distans (km)I");
puts("===================================================================");
while (sp){
n_rec++;
printf("%s%10s%20i%25.1f%s\n", sp->mbeg, sp->mend, sp->number, sp->distans, " km");
sp = sp->next;
}
puts("===================================================================");
/*read ("info.txt");*/
}
int menu(){
char buf[10];
int option;
do {
puts("===================================================================");
puts("1 - Display Information\n");
puts("2 - Sorting...\n");
puts("3 - Remove Entry\n");
puts("4 - Exit\n");
gets(buf);
option = atoi(buf);
}
while (!option);
return option;
}
/*
void Sorting(Marsh* beg){
char buf[l_name];
int option;
do {
puts("\n1 - Sort\n2 - ssort\n3 - sord\n\n4 - Back\n");
gets(buf);
}
while (!(option = atoi(buf)));
switch (option) {
case 1: Marsh *prev;
Sort(&beg, &prev);
break;
case 2: ssort(beg); break;
case 3: sord(); break;
case 4: return;
default: puts ("Error\n");
}
}
void Sort(Marsh** beg, Marsh** prev){
Marsh* sp = new Marsh;
sp = *beg;
*prev = 0;
//char name[10] = sp->mbeg;
for (int i = 0; i < n_rec - 1; i++){
Marsh* pt = *beg;
while (pt){
if (sp->mbeg < pt->mbeg){
sp->next = pt;
if (pt == *beg)
*beg = sp;
else //{pt->next = sp; sp->next = pt->next; }
(*prev)->next = sp;
*prev = sp;
return;
}
*prev = pt;
pt = pt->next;
}
sp->next = 0;
sp = sp->next;}
sp = *beg;
puts("===================================================================");
puts("===================================================================");
puts(" NameBeg I NameEnd I I NumberMarsh I I Distans (km)I");
puts("===================================================================");
while (sp){
printf("%s%10s%20i%25.1f%s\n", sp->mbeg, sp->mend, sp->number, sp->distans, " km");
sp = sp->next;
}
puts("===================================================================");
}
int ii = 0;
void ssort (Marsh* sp){
Marsh* beg = sp;
Marsh* pt = sp;
while(sp){
//Marsh* min = new Marsh;
//min = sp;
Marsh* min = sp;
ii++;
pt = beg;
for (int i = 0; i < ii; i++) pt = pt->next;
while(pt){
if (pt->mbeg < min->mbeg) min = pt;
Marsh* buf = sp;
sp = min;
min = buf;
pt = pt->next;
}
sp = sp->next;
}
sp = beg;
puts("===================================================================");
puts("===================================================================");
puts(" NameBeg I NameEnd I I NumberMarsh I I Distans (km)I");
puts("===================================================================");
while (sp){
printf("%s%10s%20i%25.1f%s\n", sp->mbeg, sp->mend, sp->number, sp->distans, " km");
sp = sp->next;
}
puts("===================================================================");
}
Mash *marsh = new Mash [n_rec];
int i = 0;
void read (char* filename){
FILE* F;
if ((F = fopen(filename, "r")) == 0){
printf ("File does not exist %s\n", filename);
}
while (!feof(F)){
fgets (marsh[i].mbeg, 10, F);
fgets (marsh[i].mend, 10, F);
fscanf (F, "%i%f\n", marsh[i].number, marsh[i].distans);
i++;
}
fclose (F);
}
void sord(){
qsort(marsh, n_rec, sizeof(Mash), compare);
puts("===================================================================");
puts("===================================================================");
puts(" NameBeg I NameEnd I I NumberMarsh I I Distans (km)I");
puts("===================================================================");
for (i = 0; i < n_rec; i++){
printf("%s%10s%20i%25.1f%s\n", marsh[i].mbeg, marsh[i].mend, marsh[i].number, marsh[i].distans, " km");
}
puts("===================================================================");
}
int compare(const void *marsh1, const void *marsh2){
return strcmp(((Mash *) marsh1)->mbeg, ((Mash *) marsh2)->mbeg);
}
*/
void get_name (char* name){
puts ("Please Enter Name of Marsh");
gets(name);
}
void Find(Marsh* beg){
char buf[l_name];
int option;
do {
puts("1 - Search by Name\n\n2 - Exit");
gets(buf);
}
while (!(option = atoi(buf)));
switch (option) {
case 1: get_name(buf);
Marsh *prev;
Marsh *sp = Find_name (beg, buf, &prev);
break;
//case 2: return;
//default:
//puts("Error\n");
}
}
Marsh* Find_name(Marsh* sp, char* name, Marsh** prev){
*prev = 0;
while(sp){
if (strstr(sp->mbeg, name))
if (sp->mbeg[strlen(name)] == ' '){
printf("%s%10s%20i%25.1f%s\n", sp->mbeg, sp->mend, sp->number, sp->distans, " km");
return sp;
}
*prev = sp;
sp = sp->next;
}
puts("This name doesn't exist");
return 0;
}
Marsh* Remove(Marsh* beg){
char name [l_name];
get_name (name);
Marsh* prev;
Marsh* sp = Find_name (beg, name, &prev);
if (sp) {
if (sp == beg)
beg = beg->next;
else
prev->next = sp->next;
delete sp;
}
return beg;
}
Marsh Enter() {
Marsh M; char buf[50];
get_name();
} |
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