diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-05-25 23:32:14 -0400 |
---|---|---|
committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-05-25 23:32:14 -0400 |
commit | 0629b78d815ce6a0b65aecc02fb18a122226274c (patch) | |
tree | 4715d40a85a08ea4f5fcbb30ca70db70d31e23b1 /src/basic/gunicode.c | |
parent | f5e7d6cf6b513104f051442b01e8b3bca7523709 (diff) |
stuff
Diffstat (limited to 'src/basic/gunicode.c')
-rw-r--r-- | src/basic/gunicode.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/basic/gunicode.c b/src/basic/gunicode.c deleted file mode 100644 index 542110503f..0000000000 --- a/src/basic/gunicode.c +++ /dev/null @@ -1,112 +0,0 @@ -/* gunicode.c - Unicode manipulation functions - * - * Copyright (C) 1999, 2000 Tom Tromey - * Copyright 2000, 2005 Red Hat, Inc. - */ - -#include <stdlib.h> - -#include "gunicode.h" - -#define unichar uint32_t - -/** - * g_utf8_prev_char: - * @p: a pointer to a position within a UTF-8 encoded string - * - * Finds the previous UTF-8 character in the string before @p. - * - * @p does not have to be at the beginning of a UTF-8 character. No check - * is made to see if the character found is actually valid other than - * it starts with an appropriate byte. If @p might be the first - * character of the string, you must use g_utf8_find_prev_char() instead. - * - * Return value: a pointer to the found character. - **/ -char * -utf8_prev_char (const char *p) -{ - while (1) - { - p--; - if ((*p & 0xc0) != 0x80) - return (char *)p; - } -} - -struct Interval -{ - unichar start, end; -}; - -static int -interval_compare (const void *key, const void *elt) -{ - unichar c = (unichar) (long) (key); - struct Interval *interval = (struct Interval *)elt; - - if (c < interval->start) - return -1; - if (c > interval->end) - return +1; - - return 0; -} - -/* - * NOTE: - * - * The tables for g_unichar_iswide() and g_unichar_iswide_cjk() are - * generated from the Unicode Character Database's file - * extracted/DerivedEastAsianWidth.txt using the gen-iswide-table.py - * in this way: - * - * ./gen-iswide-table.py < path/to/ucd/extracted/DerivedEastAsianWidth.txt | fmt - * - * Last update for Unicode 6.0. - */ - -/** - * g_unichar_iswide: - * @c: a Unicode character - * - * Determines if a character is typically rendered in a double-width - * cell. - * - * Return value: %TRUE if the character is wide - **/ -bool -unichar_iswide (unichar c) -{ - /* See NOTE earlier for how to update this table. */ - static const struct Interval wide[] = { - {0x1100, 0x115F}, {0x2329, 0x232A}, {0x2E80, 0x2E99}, {0x2E9B, 0x2EF3}, - {0x2F00, 0x2FD5}, {0x2FF0, 0x2FFB}, {0x3000, 0x303E}, {0x3041, 0x3096}, - {0x3099, 0x30FF}, {0x3105, 0x312D}, {0x3131, 0x318E}, {0x3190, 0x31BA}, - {0x31C0, 0x31E3}, {0x31F0, 0x321E}, {0x3220, 0x3247}, {0x3250, 0x32FE}, - {0x3300, 0x4DBF}, {0x4E00, 0xA48C}, {0xA490, 0xA4C6}, {0xA960, 0xA97C}, - {0xAC00, 0xD7A3}, {0xF900, 0xFAFF}, {0xFE10, 0xFE19}, {0xFE30, 0xFE52}, - {0xFE54, 0xFE66}, {0xFE68, 0xFE6B}, {0xFF01, 0xFF60}, {0xFFE0, 0xFFE6}, - {0x1B000, 0x1B001}, {0x1F200, 0x1F202}, {0x1F210, 0x1F23A}, - {0x1F240, 0x1F248}, {0x1F250, 0x1F251}, - {0x1F300, 0x1F567}, /* Miscellaneous Symbols and Pictographs */ - {0x20000, 0x2FFFD}, {0x30000, 0x3FFFD}, - }; - - if (bsearch ((void *)(uintptr_t)c, wide, (sizeof (wide) / sizeof ((wide)[0])), sizeof wide[0], - interval_compare)) - return true; - - return false; -} - -const char utf8_skip_data[256] = { - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, - 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1 -}; |