/*
	Copyright 2022 Gabriel Jensen.
	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
	If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/

#include <zap/priv.h>

#include <zap/mem.h>

void zap_win1252enc(zap_chr20 const * const _in,zap_chr8 * const _out) {
	zap_chr20 const * in  = _in;
	zap_chr8 *        out = _out;
	for (;;++in,++out) {
		zap_chr20 const chr = *in;
		zap_chr8 const  bad = 0x3Fu;
		switch (chr) {
		default:
			if (chr > 0xFFu) {
				*out = bad;
				break;
			}
			if (chr >= 0x80u && chr <= 0x9Fu) {
				*out = bad;
				break;
			}
			*out = *in;
			break;
		case 0x20ACu:
			*out = 0x80u;
			break;
		case 0x201Au:
			*out = 0x82u;
			break;
		case 0x192u:
			*out = 0x83u;
			break;
		case 0x201Eu:
			*out = 0x84u;
			break;
		case 0x2026u:
			*out = 0x85u;
			break;
		case 0x2020u:
			*out = 0x86u;
			break;
		case 0x2021u:
			*out = 0x87u;
			break;
		case 0x2C6u:
			*out = 0x88u;
			break;
		case 0x2030u:
			*out = 0x89u;
			break;
		case 0x160u:
			*out = 0x8Au;
			break;
		case 0x2039u:
			*out = 0x8Bu;
			break;
		case 0x152u:
			*out = 0x8Cu;
			break;
		case 0x17Du:
			*out = 0x8Eu;
			break;
		case 0x2018u:
			*out = 0x91u;
			break;
		case 0x2019u:
			*out = 0x92u;
			break;
		case 0x201Cu:
			*out = 0x93u;
			break;
		case 0x201Du:
			*out = 0x94u;
			break;
		case 0x2022u:
			*out = 0x95u;
			break;
		case 0x2013u:
			*out = 0x96u;
			break;
		case 0x2014u:
			*out = 0x97u;
			break;
		case 0x2DCu:
			*out = 0x98u;
			break;
		case 0x2122u:
			*out = 0x99u;
			break;
		case 0x161u:
			*out = 0x9Au;
			break;
		case 0x203Au:
			*out = 0x9Bu;
			break;
		case 0x153u:
			*out = 0x9Cu;
			break;
		case 0x17Eu:
			*out = 0x9Eu;
			break;
		case 0x178u:
			*out = 0x9Fu;
			break;
		}
		if (chr == 0x0u) {break;}
	}
}