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#include "../config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*
#define ELLIPSIS_TEST
*/
#ifdef ELLIPSIS_TEST
void usage_statement(void);
#endif
int compact_string(char *main_string, char *ellipsis_string,
int num_chars, int mode, int eLength);
#ifdef ELLIPSIS_TEST
int main(int argc, char *argv[]) {
char *main_string;
char *ellipsis_string;
int num_chars;
int mode;
int result;
int ellipsisLength=3;
int i,j;
/* Check number of args */
if(argc != 4) {
usage_statement();
return(1);
}
/* get args */
main_string = argv[1];
num_chars = atoi(argv[2]);
mode = atoi(argv[3]);
/* allocate ellipsis_string */
ellipsis_string = (char *)calloc(num_chars,1);
result = compact_string(main_string, ellipsis_string, num_chars, mode, ellipsisLength);
if(result == 1) {
printf("The original string is:\n");
printf("\t|%s|\n\n", main_string);
printf("And the compacted string is:\n");
printf("\t|%s|\n\n", ellipsis_string);
}
else
printf("you screwed something up...\n");
}
#endif
int compact_string(char *main_string, char *ellipsis_string,
int num_chars, int mode, int eLength) {
int string_len;
int feem, puff, i;
num_chars--;
string_len = strlen(main_string);
if(string_len <= num_chars) {
strcpy(ellipsis_string, main_string);
return(1);
}
switch(mode) {
case 1: {
puff = num_chars - eLength;
feem = string_len - puff;
strcpy(ellipsis_string,".");
/*
i=1;
while (i<eLength) {
strcat(ellipsis_string, ".");
i++;
}
*/
for (i = 0; i < eLength; i++) {
ellipsis_string [i] = '.';
}
ellipsis_string [i] = '\0';
strncat(ellipsis_string, main_string + feem, puff);
break;
}
case 2: {
int right_side, left_side;
/*
puff = num_chars - eLength;
right_side = puff >> 1;
left_side = puff - right_side;
strncpy(ellipsis_string, main_string, right_side);
ellipsis_string[right_side]='\0';
i=0;
while (i<eLength) {
strcat(ellipsis_string, ".");
i++;
}
strncat(ellipsis_string, main_string+(string_len-left_side), left_side);
*/
puff = num_chars - eLength;
left_side = puff >> 1;
right_side = puff - left_side;
strncpy (ellipsis_string, main_string, left_side);
for (i = left_side; i < num_chars-right_side; i++) {
ellipsis_string [i] = '.';
}
ellipsis_string [num_chars - right_side] = '\0';
strncat (ellipsis_string,
main_string + (string_len - right_side),
right_side);
break;
}
case 3: {
puff = num_chars - eLength;
feem = string_len - puff;
strncpy(ellipsis_string, main_string, puff);
/*
ellipsis_string[puff]='\0';
i=0;
while (i<eLength) {
strcat(ellipsis_string, ".");
i++;
}
*/
for (i = puff; i < num_chars; i++) {
ellipsis_string [i] = '.';
}
break;
}
default: {
#ifdef ELLIPSIS_TEST
usage_statement();
exit(0);
#else
return(-1);
#endif
}
}
ellipsis_string[num_chars]='\0';
return(1);
}
#ifdef ELLIPSIS_TEST
void usage_statement(void) {
printf("Usage: main <initial_string> num_chars mode; where mode is:\n");
printf(" 1=cut off start, 2=cut off middle, 3=cut off end\n");
}
#endif
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