#include "tag.h"

static Rectype rtypetab[] = {
	{"COMM",	Rcomment},
	{"TXXX",	Runimplemented},

	{"COM",	Rcomment},
	{"TXX",	Runimplemented},
};

static Recfields rfieldstab[] = {
	{Rcomment,	pcomment,	{Fenc, Flang, Fstring, Fstrings}},
	{Rtext, ptext,	{Fenc, Fstrings}},
};

Enc enctab[] = {
	[E8859]	{"8859-1", 1, 0x00},
	[Eutf16le]	{"utf-16le", 2, 0x00, 0x00},
	[Eutf16be]	{"utf-16be", 2, 0x00, 0x00},
	[Eutf]	{"utf", 1, 0x00},
};

int
rectype(char *id)
{
	Rectype *rt;

	for(rt=rtypetab; rt < rtypetab + nelem(rtypetab); rt++) {
		if(cistrcmp(id, rt->id) == 0)
			return rt->type;
	}
	if(id[0] == 'T')
		return Rtext;
	return -1;
}

Recpacker
recpacker(int rtype)
{
	Recfields *rf;

	for(rf=rfieldstab; rf < rfieldstab + nelem(rfieldstab); rf++) {
		if(rf->type == rtype)
			return rf->pack;
	}
	abort();
	return nil;
}

Recfields *
recfields(int rtype)
{
	Recfields *rf;

	for(rf=rfieldstab; rf < rfieldstab + nelem(rfieldstab); rf++) {
		if(rf->type == rtype)
			return rf;
	}
	abort();
	return nil;
}

int
encnum(char *s)
{
	int i;
	for(i=0; i < nelem(enctab); i++) {
		if(strcmp(s, enctab[i].str) == 0)
			return i;
	}
	return -1;
}