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#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/timeb.h>
#include <sys/stat.h>
#include <string.h>
char buf[128];
char *
getdata(fd)
FILE * fd;
{
int i, j;
char c;
repeat:
i = fgetc(fd);
if (i==EOF) return NULL;
c = (char) i;
if (c=='%') {
while (i!=EOF && (char) i!= '\n') {
i = fgetc(fd);
}
if (i==EOF) return NULL;
goto repeat;
}
while(isspace(c)) goto repeat;
j = 0;
while(!isspace(c) && j<125) {
buf[j] = c;
++j;
i = fgetc(fd);
if (i==EOF) break;
c = (char) i;
}
buf[j] = '\0';
return buf;
}
static double **x = NULL;
static double **y = NULL;
static int *col, *len;
int
main(argc, argv)
int argc;
char ** argv;
{
FILE * fd;
char *str;
int start=0, num, j, l, j1, j2;
void
reverse(int j)
{
int p;
double z;
for (p=0; p+p+1<len[j]; p++) {
z = x[j][p];
x[j][p] = x[j][len[j]-p-1];
x[j][len[j]-p-1] = z;
z = y[j][p];
y[j][p] = y[j][len[j]-p-1];
y[j][len[j]-p-1] = z;
}
}
void
concat(int j1, int j2)
{
int l, p, t;
fprintf(stderr, "%d ", j2);
l = len[j1]+len[j2]-1;
x[j1] = (double *)realloc(x[j1], l*sizeof(double));
y[j1] = (double *)realloc(y[j1], l*sizeof(double));
for (p=1; p<len[j2]; p++) {
t = len[j1]+p-1;
x[j1][t] = x[j2][p];
y[j1][t] = y[j2][p];
}
free(x[j2]);
free(y[j2]);
len[j1] = l;
--num;
for (p=j2; p<num; p++) {
x[p] = x[p+1];
y[p] = y[p+1];
col[p] = col[p+1];
len[p] = len[p+1];
}
}
if (argc<2) {
fprintf(stderr, "No filename specified !!\n");
fprintf(stderr, "Usage: %s file1 > file2 .\n", argv[0]);
exit(1);
}
fd = fopen(argv[1], "r");
if (!fd) {
fprintf(stderr, "File %s does not exist !!\n", argv[1]);
exit(1);
}
num = 0;
while ((str=getdata(fd))) {
if (*str=='#') {
start = 1;
++num;
j = num-1;
x = (double **)realloc(x, num*sizeof(double *));
y = (double **)realloc(y, num*sizeof(double *));
col = (int *)realloc(col, num*sizeof(int));
len = (int *)realloc(len, num*sizeof(int));
x[j] = NULL;
y[j] = NULL;
col[j] = atoi(getdata(fd));
len[j] = l = 0;
continue;
} else
if (*str==';') {
start = 0;
continue;
} else {
++l;
x[j] = (double *)realloc(x[j], l*sizeof(double));
y[j] = (double *)realloc(y[j], l*sizeof(double));
x[j][l-1] = atof(str);
y[j][l-1] = atof(getdata(fd));
len[j] = l;
}
}
j1=0;
j2=1;
while(j1<num) {
fprintf(stderr, "\nDoing %d... ", j1);
while(j2<num) {
if (x[j2][0]==x[j1][0] && y[j2][0]==y[j1][0]) {
reverse(j1);
concat(j1,j2);
j2=j1+1;
} else
if (x[j2][0]==x[j1][len[j1]-1] && y[j2][0]==y[j1][len[j1]-1]) {
concat(j1,j2);
j2=j1+1;
} else
if (x[j2][len[j2]-1]==x[j1][0] &&
y[j2][len[j2]-1]==y[j1][0]) {
reverse(j1);
reverse(j2);
concat(j1,j2);
j2=j1+1;
} else
if (x[j2][len[j2]-1]==x[j1][len[j1]-1] &&
y[j2][len[j2]-1]==y[j1][len[j1]-1]) {
reverse(j2);
concat(j1,j2);
j2=j1+1;
} else
++j2;
}
++j1;
j2 = j1+1;
}
for (j=0; j<num; j++) {
printf("#%d %d\n", j, col[j]);
for (l=0; l<len[j]; l++) {
printf("%7.3f %8.3f", x[j][l], y[j][l]);
if (l%4==3 || l==len[j]-1)
printf("\n");
else
printf(" ");
}
printf(";\n\n");
}
fclose(fd);
exit(0);
}
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