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files >> //opt/alt/ruby31/include/ruby/internal/encoding/ctype.h
#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 0 It isn't. * @retval otherwise 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 1 `c` is of `t` in `enc`. * @retval 0 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 0 `c` is out of range of ASCII character set in `enc`. * @retval 1 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 1 `enc` classifies `c` as "ALPHA". * @retval 0 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 1 `enc` classifies `c` as "LOWER". * @retval 0 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 1 `enc` classifies `c` as "UPPER". * @retval 0 Otherwise. */ static inline bool rb_enc_isupper(OnigCodePoint c, rb_encoding *enc) { return ONIGENC_IS_CODE_UPPER(enc, c); } /** * Identical to rb_ispunct(), except it additionally takes an encoding. * * @param[in] c A code point. * @param[in] enc An encoding. * @retval 1 `enc` classifies `c` as "PUNCT". * @retval 0 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 1 `enc` classifies `c` as "ANUM". * @retval 0 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 1 `enc` classifies `c` as "PRINT". * @retval 0 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 1 `enc` classifies `c` as "PRINT". * @retval 0 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 1 `enc` classifies `c` as "DIGIT". * @retval 0 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_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 */
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