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#include <string.h>
#include <stdint.h>
#include "allfiles.h"
#include "moreio.h"
#include "newfatal.h"
#include "stringy.h"
#include "debug.h"
#if defined __unix__ && !(defined __APPLE__)
#include <endian.h>
#if __BYTE_ORDER == __BIG_ENDIAN
#define __BIG_ENDIAN__
#endif
#endif
bool allowAnyFilename = true;
int get2bytes (FILE * fp) {
int f1, f2;
f1 = fgetc (fp);
f2 = fgetc (fp);
return (f1 * 256 + f2);
}
void put2bytes (int numtoput, FILE * fp) {
fputc ((char) (numtoput / 256), fp);
fputc ((char) (numtoput % 256), fp);
}
void writeString (char * s, FILE * fp) {
int a, len = strlen (s);
put2bytes (len, fp);
for (a = 0; a < len; a ++) {
fputc (s[a] + 1, fp);
}
}
char * readString (FILE * fp) {
int a, len = get2bytes (fp);
//debugOut ("MOREIO: readString - len %i\n", len);
char * s = new char[len + 1];
if (! checkNew (s)) {
return NULL;
}
for (a = 0; a < len; a ++) {
s[a] = (char) (fgetc (fp) - 1);
}
s[len] = 0;
//debugOut ("MOREIO: readString: %s\n", s);
return s;
}
float floatSwap( float f )
{
union
{
float f;
unsigned char b[4];
} dat1, dat2;
dat1.f = f;
dat2.b[0] = dat1.b[3];
dat2.b[1] = dat1.b[2];
dat2.b[2] = dat1.b[1];
dat2.b[3] = dat1.b[0];
return dat2.f;
}
float getFloat (FILE * fp) {
float f;
size_t bytes_read = fread (& f, sizeof (float), 1, fp);
if (bytes_read != sizeof (float) && ferror (fp)) {
debugOut("Reading error in getFloat.\n");
}
#ifdef __BIG_ENDIAN__
return floatSwap(f);
#else
return f;
#endif
}
void putFloat (float f, FILE * fp) {
#ifdef __BIG_ENDIAN__
f = floatSwap(f);
#endif
fwrite (& f, sizeof (float), 1, fp);
}
short shortSwap( short s )
{
unsigned char b1, b2;
b1 = s & 255;
b2 = (s >> 8) & 255;
return (b1 << 8) + b2;
}
short getSigned (FILE * fp) {
short f;
size_t bytes_read = fread (& f, sizeof (short), 1, fp);
if (bytes_read != sizeof (short) && ferror (fp)) {
debugOut("Reading error in getSigned.\n");
}
#ifdef __BIG_ENDIAN__
f = shortSwap(f);
#endif
return f;
}
void putSigned (short f, FILE * fp) {
#ifdef __BIG_ENDIAN__
f = shortSwap(f);
#endif
fwrite (& f, sizeof (short), 1, fp);
}
// The following two functions treat signed integers as unsigned.
// That's done on purpose.
int32_t get4bytes (FILE * fp) {
int f1, f2, f3, f4;
f1 = fgetc (fp);
f2 = fgetc (fp);
f3 = fgetc (fp);
f4 = fgetc (fp);
unsigned int x = f1 + f2*256 + f3*256*256 + f4*256*256*256;
return x;
/*
int32_t f;
fread (& f, sizeof (int32_t), 1, fp);
return f;*/
}
void put4bytes (unsigned int i, FILE * fp) {
// fwrite (&i, sizeof (long int), 1, fp);
unsigned char f1, f2, f3, f4;
f4 = i / (256*256*256);
i = i % (256*256*256);
f3 = i / (256*256);
i = i % (256*256);
f2 = i / 256;
f1 = i % 256;
fputc (f1, fp);
fputc (f2, fp);
fputc (f3, fp);
fputc (f4, fp);
}
char * encodeFilename (char * nameIn) {
if (! nameIn) return NULL;
if (allowAnyFilename) {
char * newName = new char[strlen (nameIn) * 2 + 1];
if (! checkNew (newName)) return NULL;
int i = 0;
while (*nameIn) {
switch (*nameIn) {
case '<': newName[i++] = '_'; newName[i++] = 'L'; break;
case '>': newName[i++] = '_'; newName[i++] = 'G'; break;
case '|': newName[i++] = '_'; newName[i++] = 'P'; break;
case '_': newName[i++] = '_'; newName[i++] = 'U'; break;
case '\"': newName[i++] = '_'; newName[i++] = 'S'; break;
case '\\': newName[i++] = '_'; newName[i++] = 'B'; break;
case '/': newName[i++] = '_'; newName[i++] = 'F'; break;
case ':': newName[i++] = '_'; newName[i++] = 'C'; break;
case '*': newName[i++] = '_'; newName[i++] = 'A'; break;
case '?': newName[i++] = '_'; newName[i++] = 'Q'; break;
default: newName[i++] = *nameIn; break;
}
newName[i] = 0;
nameIn ++;
}
return newName;
} else {
int a;
for (a = 0; nameIn[a]; a ++) {
#ifdef _WIN32
if (nameIn[a] == '/') nameIn[a] = '\\';
#else
if (nameIn[a] == '\\') nameIn[a] ='/';
#endif
}
return copyString (nameIn);
}
}
char * decodeFilename (char * nameIn) {
if (allowAnyFilename) {
char * newName = new char[strlen (nameIn) + 1];
if (! checkNew (newName)) return NULL;
int i = 0;
while (* nameIn) {
if (* nameIn == '_') {
nameIn ++;
switch (* nameIn) {
case 'L': newName[i] = '<'; nameIn ++; break;
case 'G': newName[i] = '>'; nameIn ++; break;
case 'P': newName[i] = '|'; nameIn ++; break;
case 'U': newName[i] = '_'; nameIn ++; break;
case 'S': newName[i] = '\"'; nameIn ++; break;
case 'B': newName[i] = '\\'; nameIn ++; break;
case 'F': newName[i] = '/'; nameIn ++; break;
case 'C': newName[i] = ':'; nameIn ++; break;
case 'A': newName[i] = '*'; nameIn ++; break;
case 'Q': newName[i] = '?'; nameIn ++; break;
default: newName[i] = '_';
}
} else {
newName[i] = *nameIn;
nameIn ++;
}
i ++;
}
newName[i] = 0;
return newName;
} else {
return copyString (nameIn);
}
}
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