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//
// cbf_standardize_numbers.c
//
//
// Created by Herbert J. Bernstein on 12/31/15.
//
//
#include "cbf.h"
#include "cbf_standardize_numbers.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
char * fgetln(FILE *, size_t *);
void usage ( void ) {
fprintf(stderr,
"cbf_standardize_numbers: Usage: \n"
" cbf_standardize_numbers file [digits] \n"
" or cbf_standardize_numbers - [digits} for use as a filter for 6 digits");
return;
}
int main (int argc, char ** argv) {
FILE *file;
char format[10];
size_t lineln, ii;
char * line;
int c;
int bracket;
int termc;
int numcomp;
int spacestarted;
int baposstarted;
int digits = 6;
double number, anumber, ascale, fpart;
CBF_UNUSED( bracket );
CBF_UNUSED( fpart );
if (argc > 3 || argc < 2) {
usage();
return 1;
}
file = stdin;
if (strcmp(argv[1],"-") && ! (file = fopen(argv[1],"r"))) {
fprintf (stderr,"Couldn't open the input file %s\n", argv[1]);
exit (1);
}
if (argc > 2) digits = atoi(argv[2]);
sprintf(format,"%%.%dg ",(digits>0)?digits+1:0);
ascale = pow(10.,digits);
while (!feof(file) && !ferror(file) && (line=fgetln(file,&lineln))) {
bracket = '\0';
termc = '\0';
spacestarted = 1;
baposstarted = 0;
numcomp = 0;
while(lineln) {
c = *line;
c &= 0xFF;
if ( c == 'b' && line[1] == '\'' ) {
baposstarted = 1;
lineln -= 2;
line += 2;
continue;
}
if( c == '\'' && baposstarted ) {
baposstarted = 0;
lineln--;
line++;
continue;
}
if (isspace(c) || c == '[' || c == '(' || c == '{') {
bracket = c;
lineln--;
line++;
if (!spacestarted) fputc (' ',stdout);
switch (c) {
case '[': termc = ']';
termc &= 0xFF;
fputc (c,stdout); fputc (' ',stdout); spacestarted = 1; numcomp = 0; break;
case '{': termc = '}';
termc &= 0xFF;
fputc (c,stdout); fputc (' ',stdout); spacestarted = 1; numcomp = 0; break;
case '(': termc = ')';
termc &= 0xFF;
fputc (c,stdout); fputc (' ',stdout); spacestarted = 1; numcomp = 0; break;
default: spacestarted = 1; break;
}
continue;
}
if (isdigit(c) || c == '.' || c == '-' || c == '+') {
char text[lineln+1];
char * endptr;
for (ii=0; ii < lineln; ii++) text[ii] = line[ii];
text[lineln] = '\0';
if (!spacestarted) fputc (' ',stdout);
number = strtod(text,&endptr)*ascale;
anumber = fabs(number);
if (anumber < 0.5) number = 0.;
if (number < 0.) fpart=modf(number-0.5,&number);
if (number > 0.) fpart=modf(number+0.5,&number);
number /= ascale;
if (termc && numcomp > 0) fprintf(stdout,", ");
if (endptr == NULL || endptr != text) {
fprintf(stdout,format,number);
if (endptr == NULL) {
lineln=0;
} else {
line += (endptr-text);
lineln -= (endptr-text);
spacestarted = 1;
}
numcomp++;
} else {
fprintf(stdout,". ");
line ++;
lineln --;
spacestarted = 1;
numcomp++;
}
continue;
}
if (c == ',' || (termc && c == termc)) {
if (!spacestarted) fputc (' ',stdout);
fputc (c,stdout);
fputc (' ',stdout);
numcomp = 0;
line ++;
lineln --;
spacestarted = 0;
if (termc && c == termc) termc = '\0';
continue;
}
fputc (c,stdout);
line ++;
lineln --;
}
fputc ('\n', stdout);
}
return 0;
}
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