From f951c2357fc4c1f25c7af34958e37cd65a6979d2 Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Thu, 17 Jan 2019 12:45:41 +0100
Subject: [PATCH] Remove unicode.c

---
 common/meson.build |   1 -
 common/unicode.c   | 101 ---------------------------------------------
 include/unicode.h  |  33 ---------------
 3 files changed, 135 deletions(-)
 delete mode 100644 common/unicode.c
 delete mode 100644 include/unicode.h

diff --git a/common/meson.build b/common/meson.build
index 4ad872d1d..3af1f1d56 100644
--- a/common/meson.build
+++ b/common/meson.build
@@ -9,7 +9,6 @@ lib_sway_common = static_library(
 		'list.c',
 		'pango.c',
 		'stringop.c',
-		'unicode.c',
 		'util.c'
 	),
 	dependencies: [
diff --git a/common/unicode.c b/common/unicode.c
deleted file mode 100644
index 5070e0835..000000000
--- a/common/unicode.c
+++ /dev/null
@@ -1,101 +0,0 @@
-#include <stdint.h>
-#include <stddef.h>
-#include "unicode.h"
-
-size_t utf8_chsize(uint32_t ch) {
-	if (ch < 0x80) {
-		return 1;
-	} else if (ch < 0x800) {
-		return 2;
-	} else if (ch < 0x10000) {
-		return 3;
-	}
-	return 4;
-}
-
-static const uint8_t masks[] = {
-	0x7F,
-	0x1F,
-	0x0F,
-	0x07,
-	0x03,
-	0x01
-};
-
-uint32_t utf8_decode(const char **char_str) {
-	uint8_t **s = (uint8_t **)char_str;
-
-	uint32_t cp = 0;
-	if (**s < 128) {
-		// shortcut
-		cp = **s;
-		++*s;
-		return cp;
-	}
-	int size = utf8_size((char *)*s);
-	if (size == -1) {
-		++*s;
-		return UTF8_INVALID;
-	}
-	uint8_t mask = masks[size - 1];
-	cp = **s & mask;
-	++*s;
-	while (--size) {
-		cp <<= 6;
-		cp |= **s & 0x3f;
-		++*s;
-	}
-	return cp;
-}
-
-size_t utf8_encode(char *str, uint32_t ch) {
-	size_t len = 0;
-	uint8_t first;
-
-	if (ch < 0x80) {
-		first = 0;
-		len = 1;
-	} else if (ch < 0x800) {
-		first = 0xc0;
-		len = 2;
-	} else if (ch < 0x10000) {
-		first = 0xe0;
-		len = 3;
-	} else {
-		first = 0xf0;
-		len = 4;
-	}
-
-	for (size_t i = len - 1; i > 0; --i) {
-		str[i] = (ch & 0x3f) | 0x80;
-		ch >>= 6;
-	}
-
-	str[0] = ch | first;
-	return len;
-}
-
-
-static const struct {
-	uint8_t mask;
-	uint8_t result;
-	int octets;
-} sizes[] = {
-	{ 0x80, 0x00, 1 },
-	{ 0xE0, 0xC0, 2 },
-	{ 0xF0, 0xE0, 3 },
-	{ 0xF8, 0xF0, 4 },
-	{ 0xFC, 0xF8, 5 },
-	{ 0xFE, 0xF8, 6 },
-	{ 0x80, 0x80, -1 },
-};
-
-int utf8_size(const char *s) {
-	uint8_t c = (uint8_t)*s;
-	for (size_t i = 0; i < sizeof(sizes) / sizeof(*sizes); ++i) {
-		if ((c & sizes[i].mask) == sizes[i].result) {
-			return sizes[i].octets;
-		}
-	}
-	return -1;
-}
diff --git a/include/unicode.h b/include/unicode.h
deleted file mode 100644
index e2ee9588c..000000000
--- a/include/unicode.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef _SWAY_UNICODE_H
-#define _SWAY_UNICODE_H
-#include <stddef.h>
-#include <stdint.h>
-
-// Technically UTF-8 supports up to 6 byte codepoints, but Unicode itself
-// doesn't really bother with more than 4.
-#define UTF8_MAX_SIZE 4
-
-#define UTF8_INVALID 0x80
-
-/**
- * Grabs the next UTF-8 character and advances the string pointer
- */
-uint32_t utf8_decode(const char **str);
-
-/**
- * Encodes a character as UTF-8 and returns the length of that character.
- */
-size_t utf8_encode(char *str, uint32_t ch);
-
-/**
- * Returns the size of the next UTF-8 character
- */
-int utf8_size(const char *str);
-
-/**
- * Returns the size of a UTF-8 character
- */
-size_t utf8_chsize(uint32_t ch);
-
-#endif
-