Mercurial > vim

annotate src/libvterm/src/utf8.h @ 15355:73b153ed5af8 v8.1.0685

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 8.1.0685: get_buf_tv() is named inconsistently commit https://github.com/vim/vim/commit/f2d79fa92d0ed90732f52dd88da4ad66c2c5ce13 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 3 22:19:27 2019 +0100 patch 8.1.0685: get_buf_tv() is named inconsistently Problem: get_buf_tv() is named inconsistently. Solution: Rename it to tv_get_buf(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/3759)
author Bram Moolenaar <Bram@vim.org>
date Thu, 03 Jan 2019 22:30:06 +0100
parents 2449b6ce1456
children 811a12a78164
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
1 /* The following functions copied and adapted from libtermkey
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
2 *
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
3 * http://www.leonerd.org.uk/code/libtermkey/
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
4 */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
5 unsigned int utf8_seqlen(long codepoint);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
6
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
7 #if defined(DEFINE_INLINES) || USE_INLINE
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
8 INLINE unsigned int utf8_seqlen(long codepoint)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
9 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
10 if(codepoint < 0x0000080) return 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
11 if(codepoint < 0x0000800) return 2;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
12 if(codepoint < 0x0010000) return 3;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
13 if(codepoint < 0x0200000) return 4;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
14 if(codepoint < 0x4000000) return 5;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
15 return 6;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
16 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
17 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
18
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
19 /* Does NOT NUL-terminate the buffer */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
20 int fill_utf8(long codepoint, char *str);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
21
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
22 #if defined(DEFINE_INLINES) || USE_INLINE
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
23 INLINE int fill_utf8(long codepoint, char *str)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
24 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
25 int nbytes = utf8_seqlen(codepoint);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
26
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
27 // This is easier done backwards
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
28 int b = nbytes;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
29 while(b > 1) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
30 b--;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
31 str[b] = 0x80 | (codepoint & 0x3f);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
32 codepoint >>= 6;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
33 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
34
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
35 switch(nbytes) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
36 case 1: str[0] = (codepoint & 0x7f); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
37 case 2: str[0] = 0xc0 | (codepoint & 0x1f); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
38 case 3: str[0] = 0xe0 | (codepoint & 0x0f); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
39 case 4: str[0] = 0xf0 | (codepoint & 0x07); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
40 case 5: str[0] = 0xf8 | (codepoint & 0x03); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
41 case 6: str[0] = 0xfc | (codepoint & 0x01); break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
42 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
43
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
44 return nbytes;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
45 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
46 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
47 /* end copy */