void T7(void)
{
assert(TEMP(3) == 123);
assert(TEMP2(1) == 123);
assert(xcat(xcat(1,2),3) == 123);
assert(strcmp("abc123abc123abc123abc",
S1(M1(123))) == 0);
}
// START FUNC DECL
int
csv_to_json(
char *X,
size_t nX,
int nR,
char **ptr_Y,
size_t *ptr_nY
)
// STOP FUNC DECL
{
int status = 0;
char *Y = NULL; size_t nY = 0;
char buf[1024];
char buf0[1024]; size_t n0 = 1024, i0 = 0;
char buf1[1024]; size_t n1 = 1024, i1 = 0;
if ( X == NULL ) { go_BYE(-1); }
if ( nX == 0 ) { go_BYE(-1); }
size_t lnX = 0;
nY = 999999;
Y = malloc(nY * sizeof(char));
return_if_malloc_failed(Y);
size_t iY = 0;
status = xcat("{\n", Y, nY, &iY); cBYE(status);
// figure out number of columns
int nC = 1;
char *cptr = X;
for ( int i = 0; ( ( i < nX ) && ( *cptr != '\n' ) ) ; i++, cptr++ ) {
if ( *cptr == ',' ) {
nC++;
}
}
zero_string(buf0, 1024);
zero_string(buf1, 1024);
int col_idx = 0;
int row_idx = 0;
for ( row_idx = 0; row_idx < nR; row_idx++) {
sprintf(buf1, " \"r%d\": {\n", row_idx);
status = xcat(buf1, Y, nY, &iY); cBYE(status);
for ( col_idx = 0; col_idx < nC; col_idx++) {
sprintf(buf1, " \"c%d\": \"", col_idx);
xcat(buf1, buf0, n0, &i0); cBYE(status);
char *cptr = X + lnX;
for ( ; ( ( *cptr != '\n' ) && ( *cptr != ',' ) ) ; cptr++ ) {
buf0[i0++] = X[lnX++];
}
buf0[i0++] = '\"';
if ( col_idx < (nC-1) ) { buf0[i0++] = ','; }
buf0[i0++] = '\n';
status = xcat(buf0, Y, nY, &iY); cBYE(status);
lnX++; /* jump over delimiter */
if ( lnX == nX ) { break; } // done with CSV file
zero_string_to_nullc(buf1); i1 = 0;
zero_string_to_nullc(buf0); i0 = 0;
}
if ( row_idx < (nR-1) ) {
status = xcat(" },\n", Y, nY, &iY); cBYE(status);
}
else {
status = xcat(" }\n", Y, nY, &iY); cBYE(status);
}
}
status = xcat("}\n", Y, nY, &iY); cBYE(status);
if ( lnX != nX ) { go_BYE(-1); }
*ptr_Y = Y;
*ptr_nY = iY;
BYE:
return status ;
}
