/usr/include/birnet/birnetutf8.hh is in libbse-dev 0.7.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef __BIRNET_UTF8_HH__
#define __BIRNET_UTF8_HH__
#include <birnet/birnetutils.hh>
namespace Birnet {
namespace Unichar {
inline bool isvalid (unichar uc) BIRNET_CONST;
bool isalnum (unichar uc) BIRNET_CONST;
bool isalpha (unichar uc) BIRNET_CONST;
bool iscntrl (unichar uc) BIRNET_CONST;
bool isdigit (unichar uc) BIRNET_CONST;
int digit_value (unichar uc) BIRNET_CONST;
bool isgraph (unichar uc) BIRNET_CONST;
bool islower (unichar uc) BIRNET_CONST;
unichar tolower (unichar uc) BIRNET_CONST;
bool isprint (unichar uc) BIRNET_CONST;
bool ispunct (unichar uc) BIRNET_CONST;
bool isspace (unichar uc) BIRNET_CONST;
bool isupper (unichar uc) BIRNET_CONST;
unichar toupper (unichar uc) BIRNET_CONST;
bool isxdigit (unichar uc) BIRNET_CONST;
int xdigit_value (unichar uc) BIRNET_CONST;
bool istitle (unichar uc) BIRNET_CONST;
unichar totitle (unichar uc) BIRNET_CONST;
bool isdefined (unichar uc) BIRNET_CONST;
bool iswide (unichar uc) BIRNET_CONST;
bool iswide_cjk (unichar uc) BIRNET_CONST;
typedef enum {
CONTROL, FORMAT, UNASSIGNED,
PRIVATE_USE, SURROGATE, LOWERCASE_LETTER,
MODIFIER_LETTER, OTHER_LETTER, TITLECASE_LETTER,
UPPERCASE_LETTER, COMBINING_MARK, ENCLOSING_MARK,
NON_SPACING_MARK, DECIMAL_NUMBER, LETTER_NUMBER,
OTHER_NUMBER, CONNECT_PUNCTUATION, DASH_PUNCTUATION,
CLOSE_PUNCTUATION, FINAL_PUNCTUATION, INITIAL_PUNCTUATION,
OTHER_PUNCTUATION, OPEN_PUNCTUATION, CURRENCY_SYMBOL,
MODIFIER_SYMBOL, MATH_SYMBOL, OTHER_SYMBOL,
LINE_SEPARATOR, PARAGRAPH_SEPARATOR, SPACE_SEPARATOR
} Type;
Type get_type (unichar uc) BIRNET_CONST;
typedef enum {
BREAK_MANDATORY, BREAK_CARRIAGE_RETURN, BREAK_LINE_FEED,
BREAK_COMBINING_MARK, BREAK_SURROGATE, BREAK_ZERO_WIDTH_SPACE,
BREAK_INSEPARABLE, BREAK_NON_BREAKING_GLUE, BREAK_CONTINGENT,
BREAK_SPACE, BREAK_AFTER, BREAK_BEFORE,
BREAK_BEFORE_AND_AFTER, BREAK_HYPHEN, BREAK_NON_STARTER,
BREAK_OPEN_PUNCTUATION, BREAK_CLOSE_PUNCTUATION, BREAK_QUOTATION,
BREAK_EXCLAMATION, BREAK_IDEOGRAPHIC, BREAK_NUMERIC,
BREAK_INFIX_SEPARATOR, BREAK_SYMBOL, BREAK_ALPHABETIC,
BREAK_PREFIX, BREAK_POSTFIX, BREAK_COMPLEX_CONTEXT,
BREAK_AMBIGUOUS, BREAK_UNKNOWN, BREAK_NEXT_LINE,
BREAK_WORD_JOINER, BREAK_HANGUL_L_JAMO, BREAK_HANGUL_V_JAMO,
BREAK_HANGUL_T_JAMO, BREAK_HANGUL_LV_SYLLABLE, BREAK_HANGUL_LVT_SYLLABLE
} BreakType;
BreakType get_break (unichar uc) BIRNET_CONST;
} // Unichar
/* --- UTF-8 movement --- */
inline const char* utf8_next (const char *c);
inline char* utf8_next (char *c);
inline const char* utf8_prev (const char *c);
inline char* utf8_prev (char *c);
inline const char* utf8_find_next (const char *c,
const char *bound = NULL);
inline char* utf8_find_next (char *current,
const char *bound = NULL);
inline const char* utf8_find_prev (const char *start,
const char *current);
inline char* utf8_find_prev (const char *start,
char *currrent);
inline const char* utf8_align (const char *start,
const char *current);
inline char* utf8_align (const char *start,
char *current);
inline bool utf8_aligned (const char *c);
unichar utf8_to_unichar (const char *str);
int utf8_from_unichar (unichar uc,
char str[8]);
bool utf8_validate (const String &string,
int *bound = NULL);
/* --- implementation bits --- */
namespace Unichar {
inline bool
isvalid (unichar uc)
{
if (BIRNET_UNLIKELY (uc > 0xfdcf && uc < 0xfdf0))
return false;
if (BIRNET_UNLIKELY ((uc & 0xfffe) == 0xfffe))
return false;
if (BIRNET_UNLIKELY (uc > 0x10ffff))
return false;
if (BIRNET_UNLIKELY ((uc & 0xfffff800) == 0xd800))
return false;
return true;
}
} // Unichar
extern const int8 utf8_skip_table[256];
inline const char*
utf8_next (const char *c)
{
return c + utf8_skip_table[(uint8) *c];
}
inline char*
utf8_next (char *c)
{
return c + utf8_skip_table[(uint8) *c];
}
inline const char*
utf8_prev (const char *c)
{
do
c--;
while ((*c & 0xc0) == 0x80);
return c;
}
inline char*
utf8_prev (char *c)
{
do
c--;
while ((*c & 0xc0) == 0x80);
return c;
}
inline const char*
utf8_find_next (const char *c,
const char *bound)
{
if (*c)
do
c++;
while ((!bound || c < bound) && (*c & 0xc0) == 0x80);
return !bound || c < bound ? c : NULL;
}
inline char*
utf8_find_next (char *c,
const char *bound)
{
return const_cast<char*> (utf8_find_next (const_cast<const char*> (c), bound));
}
inline const char*
utf8_find_prev (const char *start,
const char *current)
{
do
current--;
while (current >= start && (*current & 0xc0) == 0x80);
return current >= start ? current : NULL;
}
inline char*
utf8_find_prev (const char *start,
char *current)
{
return const_cast<char*> (utf8_find_prev (start, const_cast<const char*> (current)));
}
inline const char*
utf8_align (const char *start,
const char *current)
{
while (current > start && (*current & 0xc0) == 0x80)
current--;
return current;
}
inline char*
utf8_align (const char *start,
char *current)
{
return const_cast<char*> (utf8_align (start, const_cast<const char*> (current)));
}
inline bool
utf8_aligned (const char *c)
{
return (*c & 0xc0) == 0x80;
}
} // Birnet
#endif /* __BIRNET_UTF8_HH__ */
/* vim:set ts=8 sts=2 sw=2: */
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