vilyaem/Xrasher
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

public: utflib: simplify Q_EncodeUTF8

Browse source
This commit is contained in:
Alibek Omarov 2025-02-02 02:31:20 +03:00
parent 5378494199
commit 93ebddfba3
1 changed files with 16 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
public/utflib.c
View file

@ -114,27 +114,35 @@ uint32_t Q_DecodeUTF16( utfstate_t *s, uint32_t in )
return 0;
}
size_t Q_EncodeUTF8( char dst[4], uint32_t ch )
static size_t Q_CodepointLength( uint32_t ch )
{
if( ch <= 0x7fu )
return 1;
else if( ch <= 0x7ffu )
return 2;
else if( ch <= 0xffffu )
return 3;
return 4;
}
size_t Q_EncodeUTF8( char dst[4], uint32_t ch )
{
switch( Q_CodepointLength( ch ))
{
case 1:
dst[0] = ch;
return 1;
}
else if( ch <= 0x7ffu )
{
case 2:
dst[0] = 0xc0u | (( ch >> 6 ) & 0x1fu );
dst[1] = 0x80u | (( ch ) & 0x3fu );
return 2;
}
else if( ch <= 0xffffu )
{
case 3:
dst[0] = 0xe0u | (( ch >> 12 ) & 0x0fu );
dst[1] = 0x80u | (( ch >> 6 ) & 0x3fu );
dst[2] = 0x80u | (( ch ) & 0x3fu );
return 3;
}
dst[0] = 0xf0u | (( ch >> 18 ) & 0x07u );
dst[1] = 0x80u | (( ch >> 12 ) & 0x3fu );
dst[2] = 0x80u | (( ch >> 6 ) & 0x3fu );
@ -163,18 +171,6 @@ size_t Q_UTF8Length( const char *s )
return len;
}
static size_t Q_CodepointLength( uint32_t ch )
{
if( ch <= 0x7fu )
return 1;
else if( ch <= 0x7ffu )
return 2;
else if( ch <= 0xffffu )
return 3;
return 4;
}
size_t Q_UTF16ToUTF8( char *dst, size_t dstsize, const uint16_t *src, size_t srcsize )
{
utfstate_t state = { 0 };