ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-07-20 08:26:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

String support

Browse Source
This commit is contained in:
gingerBill
2016-08-05 00:54:05 +01:00
parent 19aea1f198
commit 2aaef48c5c
16 changed files with 737 additions and 246 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gb/gb.h
+39 -1
View File
@@ -1370,6 +1370,7 @@ GB_DEF u8 * gb_ucs2_to_utf8_buf(u16 const *str); // NOTE(bill): Uses locally per
// NOTE(bill): Returns size of codepoint in bytes
GB_DEF isize gb_utf8_decode (u8 const *str, isize str_len, Rune *codepoint);
GB_DEF isize gb_utf8_codepoint_size(u8 const *str, isize str_len);
GB_DEF isize gb_utf8_encode_rune (u8 buf[4], Rune r);
////////////////////////////////////////////////////////////////
//
@@ -5871,7 +5872,7 @@ gb_inline i32 gb_hex_digit_to_int(char c) {
return c - 'a' + 10;
else if (gb_is_between(c, 'A', 'F'))
return c - 'A' + 10;
return 0;
return -1;
}
@@ -6691,6 +6692,43 @@ isize gb_utf8_codepoint_size(u8 const *str, isize str_len) {
return i+1;
}
isize gb_utf8_encode_rune(u8 buf[4], Rune r) {
u32 i = cast(u32)r;
u8 mask = 0x3f;
if (i <= (1<<7)-1) {
buf[0] = cast(u8)r;
return 1;
}
if (i <= (1<<11)-1) {
buf[0] = 0xc0 | cast(u8)(r>>6);
buf[1] = 0x80 | cast(u8)(r)&mask;
return 2;
}
// Invalid or Surrogate range
if (i > GB_RUNE_MAX ||
gb_is_between(i, 0xd800, 0xdfff)) {
r = GB_RUNE_INVALID;
buf[0] = 0xe0 | cast(u8)(r>>12);
buf[1] = 0x80 | cast(u8)(r>>6)&mask;
buf[2] = 0x80 | cast(u8)(r)&mask;
return 3;
}
if (i <= (1<<16)-1) {
buf[0] = 0xe0 | cast(u8)(r>>12);
buf[1] = 0x80 | cast(u8)(r>>6)&mask;
buf[2] = 0x80 | cast(u8)(r)&mask;
return 3;
}
buf[0] = 0xf0 | cast(u8)(r>>18);
buf[1] = 0x80 | cast(u8)(r>>12)&mask;
buf[2] = 0x80 | cast(u8)(r>>6)&mask;
buf[3] = 0x80 | cast(u8)(r)&mask;
return 4;
}