void insert(char p,char c)
{
char s;
if(!(isalpha(c)||('0'<=c&&c<='9')))
{
printf("\nonly alphabats & number is allowed!!!\n");
return;
}
struct neel *f;
f=travers(p);
if(f==NULL)
{
printf("\n%c not found!!",p);
return;
}
neel:printf("\nwhere you want to insert\n1.left\n2.right\n");
s=getche();
if(s=='1')
{
if(f->l!=NULL)
{
printf("\nleft link of %c is not available..\n",p);
return;
}
else
f->l=(struct neel *)malloc(sizeof(struct neel));
f->l->x=c;
f->l->l=NULL;
f->l->r=NULL;
}
else if(s=='2')
{
if(f->r!=NULL)
{
printf("\nright link of %c is not available..\n",p);
return;
}
else
f->r=(struct neel *)malloc(sizeof(struct neel));
f->r->x=c;
f->r->l=NULL;
f->r->r=NULL;
}
else
goto neel;
printf("\n%c is inserted..\n",c);
}
void main()
{
char c,d;
printf("enter root node..");
scanr:c=getche();
if(!(isalpha(c)||('0'<=c&&c<='9')))
{
printf("\nonly alphabats & number is allowed!!!\n");
goto scanr;
}
root=(struct neel *)malloc(sizeof(struct neel));
root->x=c;
root->l=NULL;
root->r=NULL;
for(;1;)
{
printf("\nmenu\n1.insert\n2.inorder travers\n3.preorder travers\n4.postorder travers\n0.exit");
printf("\nenter your choice..\n");
switch(getche())
{
case '1':printf("\nenter parent node & new node..");
c=getche();
printf(" ");
d=getche();
insert(c,d);
break;
case '2':travers('#');break;
case '3':printf("\nPREORDER SEQUENCE :- ");
preorder(root);
break;
case '4':printf("\nPOSTORDER SEQUENCE :- ");
postorder(root);
break;
case '0':return;
break;
default:
printf("wrong choice...");
}
}
getch();
}
int main(int argc, char * argv[]) {
struct a_table translator;
FILE * dict = 0, * in = 0, * out = 0;
LOG("This is a debug version!");
if (argc == 1) {
printf("Changes a text using a dictionary by replacing each occurrence of a word in the dictionary with the proper image word.\n"
"Syntaxis: replacer dict input output\n"
"dict is a text file with word pairs\n"
"input is the file to be changed\n"
"output is the result file.\n");
return 0;
}
if (argc != 4) {
printf("Invalid argumets! Extected 3, provided: %d.\n", argc - 1);
return 1;
}
dict = fopen(argv[1], "r");
if (dict == 0) {
printf("Unable to open the dict file. Argument value is %s.\n", argv[1]);
return 1;
}
/* initialize the allocator */
mem_init();
/* initialize the table */
a_create_n(&translator, INIT_SIZE);
/* step1: create a trie */
create_trie(&translator, dict);
fclose(dict);
/* step2: create the full automaton */
add_fail_links(&translator);
in = fopen(argv[2], "rb");
if (in == 0) {
printf("Unable to open the input file. Argument value is %s.\n", argv[2]);
fclose(dict);
a_free(&translator);
mem_fin();
return 1;
}
out = fopen(argv[3], "wb");
if (out == 0) {
printf("Unable to open the output file. Argument value is %s.\n", argv[3]);
fclose(in);
fclose(dict);
a_free(&translator);
mem_fin();
return 1;
}
/* finally we are going to use the automaton */
travers(&translator, in, out);
fclose(in);
fclose(out);
/* finalize the table */
a_free(&translator);
/* finalize the allocator */
mem_fin();
}