dcc/common/PatternCollector.h
2015-04-28 14:59:00 +02:00

83 lines
1.7 KiB
C++

#ifndef PATTERNCOLLECTOR
#define PATTERNCOLLECTOR
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <vector>
#define SYMLEN 16 /* Number of chars in the symbol name, incl null */
#define PATLEN 23 /* Number of bytes in the pattern part */
struct HASHENTRY
{
char name[SYMLEN]; /* The symbol name */
uint8_t pat [PATLEN]; /* The pattern */
uint16_t offset; /* Offset (needed temporarily) */
};
struct PatternCollector {
uint8_t buf[100], bufSave[7]; /* Temp buffer for reading the file */
uint16_t readShort(FILE *f)
{
uint8_t b1, b2;
if (fread(&b1, 1, 1, f) != 1)
{
printf("Could not read\n");
exit(11);
}
if (fread(&b2, 1, 1, f) != 1)
{
printf("Could not read\n");
exit(11);
}
return (b2 << 8) + b1;
}
void grab(FILE *f,int n)
{
if (fread(buf, 1, n, f) != (size_t)n)
{
printf("Could not read\n");
exit(11);
}
}
uint8_t readByte(FILE *f)
{
uint8_t b;
if (fread(&b, 1, 1, f) != 1)
{
printf("Could not read\n");
exit(11);
}
return b;
}
uint16_t readWord(FILE *fl)
{
uint8_t b1, b2;
b1 = readByte(fl);
b2 = readByte(fl);
return b1 + (b2 << 8);
}
/* Called by map(). Return the i+1th key in *pKeys */
uint8_t *getKey(int i)
{
return keys[i].pat;
}
/* Display key i */
void dispKey(int i)
{
printf("%s", keys[i].name);
}
std::vector<HASHENTRY> keys; /* array of keys */
virtual int readSyms(FILE *f)=0;
};
#endif // PATTERNCOLLECTOR