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#ifndef RUBY_INTERNAL_ENCODING_CTYPE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_INTERNAL_ENCODING_CTYPE_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief Routines to query chacater types.
*/
#include "ruby/onigmo.h"
#include "ruby/internal/attr/const.h"
#include "ruby/internal/dllexport.h"
#include "ruby/internal/encoding/encoding.h"
#include "ruby/internal/value.h"
RBIMPL_SYMBOL_EXPORT_BEGIN()
/**
* Queries if the passed pointer points to a newline character. What is a
* newline and what is not depends on the passed encoding.
*
* @param[in] p Pointer to a possibly-middle of a character.
* @param[in] end End of the string.
* @param[in] enc Encoding.
* @retval false It isn't.
* @retval true It is.
*/
static inline bool
rb_enc_is_newline(const char *p, const char *e, rb_encoding *enc)
{
OnigUChar *up = RBIMPL_CAST((OnigUChar *)p);
OnigUChar *ue = RBIMPL_CAST((OnigUChar *)e);
return ONIGENC_IS_MBC_NEWLINE(enc, up, ue);
}
/**
* Queries if the passed code point is of passed character type in the passed
* encoding. The "character type" here is a set of macros defined in onigmo.h,
* like `ONIGENC_CTYPE_PUNCT`.
*
* @param[in] c An `OnigCodePoint` value.
* @param[in] t An `OnigCtype` value.
* @param[in] enc A `rb_encoding*` value.
* @retval true `c` is of `t` in `enc`.
* @retval false Otherwise.
*/
static inline bool
rb_enc_isctype(OnigCodePoint c, OnigCtype t, rb_encoding *enc)
{
return ONIGENC_IS_CODE_CTYPE(enc, c, t);
}
/**
* Identical to rb_isascii(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval false `c` is out of range of ASCII character set in `enc`.
* @retval true Otherwise.
*
* @internal
*
* `enc` is ignored. This is at least an intentional implementation detail
* (not a bug). But there could be rooms for future extensions.
*/
static inline bool
rb_enc_isascii(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_ASCII(c);
}
/**
* Identical to rb_isalpha(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "ALPHA".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isalpha(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_ALPHA(enc, c);
}
/**
* Identical to rb_islower(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "LOWER".
* @retval false Otherwise.
*/
static inline bool
rb_enc_islower(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_LOWER(enc, c);
}
/**
* Identical to rb_isupper(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "UPPER".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isupper(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_UPPER(enc, c);
}
/**
* Identical to rb_iscntrl(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "CNTRL".
* @retval false Otherwise.
*/
static inline bool
rb_enc_iscntrl(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_CNTRL(enc, c);
}
/**
* Identical to rb_ispunct(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "PUNCT".
* @retval false Otherwise.
*/
static inline bool
rb_enc_ispunct(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_PUNCT(enc, c);
}
/**
* Identical to rb_isalnum(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "ANUM".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isalnum(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_ALNUM(enc, c);
}
/**
* Identical to rb_isprint(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "PRINT".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isprint(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_PRINT(enc, c);
}
/**
* Identical to rb_isspace(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "PRINT".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isspace(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_SPACE(enc, c);
}
/**
* Identical to rb_isdigit(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @retval true `enc` classifies `c` as "DIGIT".
* @retval false Otherwise.
*/
static inline bool
rb_enc_isdigit(OnigCodePoint c, rb_encoding *enc)
{
return ONIGENC_IS_CODE_DIGIT(enc, c);
}
RBIMPL_ATTR_CONST()
/**
* Identical to rb_toupper(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @return `c`'s (Ruby's definition of) upper case counterpart.
*
* @internal
*
* As `RBIMPL_ATTR_CONST` implies this function ignores `enc`.
*/
int rb_enc_toupper(int c, rb_encoding *enc);
RBIMPL_ATTR_CONST()
/**
* Identical to rb_tolower(), except it additionally takes an encoding.
*
* @param[in] c A code point.
* @param[in] enc An encoding.
* @return `c`'s (Ruby's definition of) lower case counterpart.
*
* @internal
*
* As `RBIMPL_ATTR_CONST` implies this function ignores `enc`.
*/
int rb_enc_tolower(int c, rb_encoding *enc);
RBIMPL_SYMBOL_EXPORT_END()
/** @cond INTERNAL_MACRO */
#define rb_enc_is_newline rb_enc_is_newline
#define rb_enc_isalnum rb_enc_isalnum
#define rb_enc_isalpha rb_enc_isalpha
#define rb_enc_isascii rb_enc_isascii
#define rb_enc_isctype rb_enc_isctype
#define rb_enc_isdigit rb_enc_isdigit
#define rb_enc_islower rb_enc_islower
#define rb_enc_isprint rb_enc_isprint
#define rb_enc_iscntrl rb_enc_iscntrl
#define rb_enc_ispunct rb_enc_ispunct
#define rb_enc_isspace rb_enc_isspace
#define rb_enc_isupper rb_enc_isupper
/** @endcond */
#endif /* RUBY_INTERNAL_ENCODING_CTYPE_H */