#include <string.h>
#include "functions.h"
#include "gldecoder.h"
+#include "tmpalloc.h"
+
+static unsigned read_short(short *, const char *);
+static unsigned read_int(int *, const char *);
+static int decode_func(GlDecoder *, unsigned short, const char *);
+static int decode_gldfunc(GlDecoder *, unsigned short, const char *);
GlDecoder *gldecoder_new(void *user_data, void (*destroy)(void *))
{
free(dec);
}
-unsigned read_char(char *v, const char *data, unsigned len)
+int gldecoder_decode(GlDecoder *dec, const char *data, unsigned len)
+{
+ unsigned pos = 0;
+ unsigned pktlen;
+ unsigned short func;
+ int ret;
+
+ if(len<sizeof(int)+sizeof(short))
+ return -1;
+ pos += read_int((int *)&pktlen, data);
+ if(len<pktlen)
+ return -1;
+ pos += read_short((short *)&func, data+pos);
+ if(dec)
+ {
+ if(func&0x8000)
+ ret = decode_gldfunc(dec, func, data+pos);
+ else
+ ret = decode_func(dec, func, data+pos);
+ if(ret<0)
+ return -1;
+ }
+ return pktlen;
+}
+
+static unsigned read_char(char *v, const char *data)
{
*v = *data;
return 1;
}
-unsigned read_short(short *v, const char *data, unsigned len)
+static unsigned read_short(short *v, const char *data)
{
*v = *(short *)data;
return sizeof(short);
}
-unsigned read_int(int *v, const char *data, unsigned len)
+static unsigned read_int(int *v, const char *data)
{
*v = *(int *)data;
return sizeof(int);
}
-unsigned read_long(long *v, const char *data, unsigned len)
+static unsigned read_long(long *v, const char *data)
{
*v = *(long *)data;
return sizeof(long);
}
-unsigned read_ulong(unsigned long *v, const char *data, unsigned len)
-{
- *v = *(unsigned long *)data;
- return sizeof(unsigned long);
-}
-
-unsigned read_longlong(long long *v, const char *data, unsigned len)
+static unsigned read_long_long(long long *v, const char *data)
{
*v = *(long long *)data;
return sizeof(long long);
}
-unsigned read_float(float *v, const char *data, unsigned len)
+static unsigned read_float(float *v, const char *data)
{
*v = *(float *)data;
return sizeof(float);
}
-unsigned read_double(double *v, const char *data, unsigned len)
+static unsigned read_double(double *v, const char *data)
{
*v = *(double *)data;
return sizeof(double);
}
-unsigned read_pointer(void **v, const char *data, unsigned len)
+typedef void *pointer;
+
+static unsigned read_pointer(pointer *v, const char *data)
{
*v = *(void **)data;
return sizeof(void *);
}
-unsigned read_data(const void **v, const char *data, unsigned len)
+static unsigned read_data(const void **v, const char *data)
{
int vlen;
unsigned pos = 0;
- pos += read_int(&vlen, data, len);
- *v = data+pos;
+ pos += read_int(&vlen, data);
+ if(vlen)
+ *v = data+pos;
+ else
+ *v = NULL;
return pos+vlen;
}
-unsigned read_string(const unsigned char **v, const char *data, unsigned len)
+typedef const char *string;
+
+static unsigned read_string(string *v, const char *data)
{
- return read_data((const void **)v, data, len);
+ return read_data((const void **)v, data);
+}
+
+static unsigned read_string_array(string **v, const char *data)
+{
+ int count;
+ unsigned pos = 0;
+ int i;
+ pos += read_int(&count, data);
+ *v = (string *)tmpalloc(count*sizeof(string));
+ for(i=0; i<count; ++i)
+ pos += read_string(*v+i, data+pos);
+ return pos;
}
#include "gldecoder.funcs"
+
+static int decode_gldError(GlDecoder *dec, const char *data)
+{
+ unsigned pos = 0;
+ GLenum code;
+ pos += read_int((int *)&code, data);
+ if(dec->gldError)
+ dec->gldError(dec->user_data, code);
+ return pos;
+}
+
+static int decode_gldfunc(GlDecoder *dec, unsigned short func, const char *data)
+{
+ switch(func)
+ {
+ case FUNC_GLDERROR: return decode_gldError(dec, data);
+ default: return -1;
+ }
+}