зеркало из https://github.com/github/ruby.git
93 строки
3.8 KiB
C
93 строки
3.8 KiB
C
#ifndef INTERNAL_STRING_H /* -*- C -*- */
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#define INTERNAL_STRING_H
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/**
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* @file
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* @brief Internal header for String.
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* @author \@shyouhei
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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*/
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/* string.c */
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VALUE rb_fstring(VALUE);
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VALUE rb_fstring_new(const char *ptr, long len);
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#define rb_fstring_lit(str) rb_fstring_new((str), rb_strlen_lit(str))
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#define rb_fstring_literal(str) rb_fstring_lit(str)
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VALUE rb_fstring_cstr(const char *str);
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#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P
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# define rb_fstring_cstr(str) RB_GNUC_EXTENSION_BLOCK( \
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(__builtin_constant_p(str)) ? \
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rb_fstring_new((str), (long)strlen(str)) : \
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rb_fstring_cstr(str) \
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)
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#endif
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#ifdef RUBY_ENCODING_H
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VALUE rb_fstring_enc_new(const char *ptr, long len, rb_encoding *enc);
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#define rb_fstring_enc_lit(str, enc) rb_fstring_enc_new((str), rb_strlen_lit(str), (enc))
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#define rb_fstring_enc_literal(str, enc) rb_fstring_enc_lit(str, enc)
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#endif
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int rb_str_buf_cat_escaped_char(VALUE result, unsigned int c, int unicode_p);
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int rb_str_symname_p(VALUE);
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VALUE rb_str_quote_unprintable(VALUE);
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VALUE rb_id_quote_unprintable(ID);
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#define QUOTE(str) rb_str_quote_unprintable(str)
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#define QUOTE_ID(id) rb_id_quote_unprintable(id)
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char *rb_str_fill_terminator(VALUE str, const int termlen);
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void rb_str_change_terminator_length(VALUE str, const int oldtermlen, const int termlen);
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VALUE rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg);
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VALUE rb_str_chomp_string(VALUE str, VALUE chomp);
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#ifdef RUBY_ENCODING_H
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VALUE rb_external_str_with_enc(VALUE str, rb_encoding *eenc);
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VALUE rb_str_cat_conv_enc_opts(VALUE newstr, long ofs, const char *ptr, long len,
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rb_encoding *from, int ecflags, VALUE ecopts);
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VALUE rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl);
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VALUE rb_str_initialize(VALUE str, const char *ptr, long len, rb_encoding *enc);
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#endif
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#define STR_NOEMBED FL_USER1
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#define STR_SHARED FL_USER2 /* = ELTS_SHARED */
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#define STR_EMBED_P(str) (!FL_TEST_RAW((str), STR_NOEMBED))
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#define STR_SHARED_P(s) FL_ALL_RAW((s), STR_NOEMBED|ELTS_SHARED)
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#define is_ascii_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT)
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#define is_broken_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN)
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size_t rb_str_memsize(VALUE);
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VALUE rb_sym_proc_call(ID mid, int argc, const VALUE *argv, int kw_splat, VALUE passed_proc);
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VALUE rb_sym_to_proc(VALUE sym);
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char *rb_str_to_cstr(VALUE str);
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VALUE rb_str_eql(VALUE str1, VALUE str2);
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VALUE rb_obj_as_string_result(VALUE str, VALUE obj);
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const char *ruby_escaped_char(int c);
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VALUE rb_str_opt_plus(VALUE, VALUE);
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/* expect tail call optimization */
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static inline VALUE
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rb_str_eql_internal(const VALUE str1, const VALUE str2)
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{
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const long len = RSTRING_LEN(str1);
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const char *ptr1, *ptr2;
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if (len != RSTRING_LEN(str2)) return Qfalse;
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if (!rb_str_comparable(str1, str2)) return Qfalse;
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if ((ptr1 = RSTRING_PTR(str1)) == (ptr2 = RSTRING_PTR(str2)))
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return Qtrue;
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if (memcmp(ptr1, ptr2, len) == 0)
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return Qtrue;
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return Qfalse;
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}
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RUBY_SYMBOL_EXPORT_BEGIN
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/* string.c (export) */
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VALUE rb_str_tmp_frozen_acquire(VALUE str);
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void rb_str_tmp_frozen_release(VALUE str, VALUE tmp);
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#ifdef RUBY_ENCODING_H
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/* internal use */
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VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
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#endif
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VALUE rb_str_upto_each(VALUE, VALUE, int, int (*each)(VALUE, VALUE), VALUE);
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VALUE rb_str_upto_endless_each(VALUE, int (*each)(VALUE, VALUE), VALUE);
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RUBY_SYMBOL_EXPORT_END
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#endif /* INTERNAL_STRING_H */
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