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encoding.h
/********************************************************************** encoding.h - $Author: matz $ created at: Thu May 24 11:49:41 JST 2007 Copyright (C) 2007 Yukihiro Matsumoto **********************************************************************/ #ifndef RUBY_ENCODING_H #define RUBY_ENCODING_H 1 #if defined(__cplusplus) extern "C" { #if 0 } /* satisfy cc-mode */ #endif #endif #include <stdarg.h> #include "ruby/ruby.h" #include "ruby/oniguruma.h" RUBY_SYMBOL_EXPORT_BEGIN enum ruby_encoding_consts { RUBY_ENCODING_INLINE_MAX = 127, RUBY_ENCODING_SHIFT = (RUBY_FL_USHIFT+10), RUBY_ENCODING_MASK = (RUBY_ENCODING_INLINE_MAX<<RUBY_ENCODING_SHIFT /* RUBY_FL_USER10..RUBY_FL_USER16 */), RUBY_ENCODING_MAXNAMELEN = 42 }; #define ENCODING_INLINE_MAX RUBY_ENCODING_INLINE_MAX #define ENCODING_SHIFT RUBY_ENCODING_SHIFT #define ENCODING_MASK RUBY_ENCODING_MASK #define RB_ENCODING_SET_INLINED(obj,i) do {\ RBASIC(obj)->flags &= ~RUBY_ENCODING_MASK;\ RBASIC(obj)->flags |= (VALUE)(i) << RUBY_ENCODING_SHIFT;\ } while (0) #define RB_ENCODING_SET(obj,i) rb_enc_set_index((obj), (i)) #define RB_ENCODING_GET_INLINED(obj) \ (int)((RBASIC(obj)->flags & RUBY_ENCODING_MASK)>>RUBY_ENCODING_SHIFT) #define RB_ENCODING_GET(obj) \ (RB_ENCODING_GET_INLINED(obj) != RUBY_ENCODING_INLINE_MAX ? \ RB_ENCODING_GET_INLINED(obj) : \ rb_enc_get_index(obj)) #define RB_ENCODING_IS_ASCII8BIT(obj) (RB_ENCODING_GET_INLINED(obj) == 0) #define ENCODING_SET_INLINED(obj,i) RB_ENCODING_SET_INLINED(obj,i) #define ENCODING_SET(obj,i) RB_ENCODING_SET(obj,i) #define ENCODING_GET_INLINED(obj) RB_ENCODING_GET_INLINED(obj) #define ENCODING_GET(obj) RB_ENCODING_GET(obj) #define ENCODING_IS_ASCII8BIT(obj) RB_ENCODING_IS_ASCII8BIT(obj) #define ENCODING_MAXNAMELEN RUBY_ENCODING_MAXNAMELEN enum ruby_coderange_type { RUBY_ENC_CODERANGE_UNKNOWN = 0, RUBY_ENC_CODERANGE_7BIT = ((int)RUBY_FL_USER8), RUBY_ENC_CODERANGE_VALID = ((int)RUBY_FL_USER9), RUBY_ENC_CODERANGE_BROKEN = ((int)(RUBY_FL_USER8|RUBY_FL_USER9)), RUBY_ENC_CODERANGE_MASK = (RUBY_ENC_CODERANGE_7BIT| RUBY_ENC_CODERANGE_VALID| RUBY_ENC_CODERANGE_BROKEN) }; static inline int rb_enc_coderange_clean_p(int cr) { return (cr ^ (cr >> 1)) & RUBY_ENC_CODERANGE_7BIT; } #define RB_ENC_CODERANGE_CLEAN_P(cr) rb_enc_coderange_clean_p(cr) #define RB_ENC_CODERANGE(obj) ((int)RBASIC(obj)->flags & RUBY_ENC_CODERANGE_MASK) #define RB_ENC_CODERANGE_ASCIIONLY(obj) (RB_ENC_CODERANGE(obj) == RUBY_ENC_CODERANGE_7BIT) #define RB_ENC_CODERANGE_SET(obj,cr) (\ RBASIC(obj)->flags = \ (RBASIC(obj)->flags & ~RUBY_ENC_CODERANGE_MASK) | (cr)) #define RB_ENC_CODERANGE_CLEAR(obj) RB_ENC_CODERANGE_SET((obj),0) /* assumed ASCII compatibility */ #define RB_ENC_CODERANGE_AND(a, b) \ ((a) == RUBY_ENC_CODERANGE_7BIT ? (b) : \ (a) != RUBY_ENC_CODERANGE_VALID ? RUBY_ENC_CODERANGE_UNKNOWN : \ (b) == RUBY_ENC_CODERANGE_7BIT ? RUBY_ENC_CODERANGE_VALID : (b)) #define RB_ENCODING_CODERANGE_SET(obj, encindex, cr) \ do { \ VALUE rb_encoding_coderange_obj = (obj); \ RB_ENCODING_SET(rb_encoding_coderange_obj, (encindex)); \ RB_ENC_CODERANGE_SET(rb_encoding_coderange_obj, (cr)); \ } while (0) #define ENC_CODERANGE_MASK RUBY_ENC_CODERANGE_MASK #define ENC_CODERANGE_UNKNOWN RUBY_ENC_CODERANGE_UNKNOWN #define ENC_CODERANGE_7BIT RUBY_ENC_CODERANGE_7BIT #define ENC_CODERANGE_VALID RUBY_ENC_CODERANGE_VALID #define ENC_CODERANGE_BROKEN RUBY_ENC_CODERANGE_BROKEN #define ENC_CODERANGE_CLEAN_P(cr) RB_ENC_CODERANGE_CLEAN_P(cr) #define ENC_CODERANGE(obj) RB_ENC_CODERANGE(obj) #define ENC_CODERANGE_ASCIIONLY(obj) RB_ENC_CODERANGE_ASCIIONLY(obj) #define ENC_CODERANGE_SET(obj,cr) RB_ENC_CODERANGE_SET(obj,cr) #define ENC_CODERANGE_CLEAR(obj) RB_ENC_CODERANGE_CLEAR(obj) #define ENC_CODERANGE_AND(a, b) RB_ENC_CODERANGE_AND(a, b) #define ENCODING_CODERANGE_SET(obj, encindex, cr) RB_ENCODING_CODERANGE_SET(obj, encindex, cr) typedef const OnigEncodingType rb_encoding; int rb_char_to_option_kcode(int c, int *option, int *kcode); int rb_enc_replicate(const char *, rb_encoding *); int rb_define_dummy_encoding(const char *); PUREFUNC(int rb_enc_dummy_p(rb_encoding *enc)); PUREFUNC(int rb_enc_to_index(rb_encoding *enc)); int rb_enc_get_index(VALUE obj); void rb_enc_set_index(VALUE obj, int encindex); int rb_enc_find_index(const char *name); int rb_to_encoding_index(VALUE); rb_encoding *rb_to_encoding(VALUE); rb_encoding *rb_find_encoding(VALUE); rb_encoding *rb_enc_get(VALUE); rb_encoding *rb_enc_compatible(VALUE,VALUE); rb_encoding *rb_enc_check(VALUE,VALUE); VALUE rb_enc_associate_index(VALUE, int); VALUE rb_enc_associate(VALUE, rb_encoding*); void rb_enc_copy(VALUE dst, VALUE src); VALUE rb_enc_str_new(const char*, long, rb_encoding*); VALUE rb_enc_str_new_cstr(const char*, rb_encoding*); VALUE rb_enc_str_new_static(const char*, long, rb_encoding*); VALUE rb_enc_reg_new(const char*, long, rb_encoding*, int); PRINTF_ARGS(VALUE rb_enc_sprintf(rb_encoding *, const char*, ...), 2, 3); VALUE rb_enc_vsprintf(rb_encoding *, const char*, va_list); long rb_enc_strlen(const char*, const char*, rb_encoding*); char* rb_enc_nth(const char*, const char*, long, rb_encoding*); VALUE rb_obj_encoding(VALUE); VALUE rb_enc_str_buf_cat(VALUE str, const char *ptr, long len, rb_encoding *enc); VALUE rb_enc_uint_chr(unsigned int code, rb_encoding *enc); VALUE rb_external_str_new_with_enc(const char *ptr, long len, rb_encoding *); VALUE rb_str_export_to_enc(VALUE, rb_encoding *); VALUE rb_str_conv_enc(VALUE str, rb_encoding *from, rb_encoding *to); VALUE rb_str_conv_enc_opts(VALUE str, rb_encoding *from, rb_encoding *to, int ecflags, VALUE ecopts); #ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P #define rb_enc_str_new(str, len, enc) RB_GNUC_EXTENSION_BLOCK( \ (__builtin_constant_p(str) && __builtin_constant_p(len)) ? \ rb_enc_str_new_static((str), (len), (enc)) : \ rb_enc_str_new((str), (len), (enc)) \ ) #define rb_enc_str_new_cstr(str, enc) RB_GNUC_EXTENSION_BLOCK( \ (__builtin_constant_p(str)) ? \ rb_enc_str_new_static((str), (long)strlen(str), (enc)) : \ rb_enc_str_new_cstr((str), (enc)) \ ) #endif PRINTF_ARGS(NORETURN(void rb_enc_raise(rb_encoding *, VALUE, const char*, ...)), 3, 4); /* index -> rb_encoding */ rb_encoding *rb_enc_from_index(int idx); /* name -> rb_encoding */ rb_encoding *rb_enc_find(const char *name); /* rb_encoding * -> name */ #define rb_enc_name(enc) (enc)->name /* rb_encoding * -> minlen/maxlen */ #define rb_enc_mbminlen(enc) (enc)->min_enc_len #define rb_enc_mbmaxlen(enc) (enc)->max_enc_len /* -> mbclen (no error notification: 0 < ret <= e-p, no exception) */ int rb_enc_mbclen(const char *p, const char *e, rb_encoding *enc); /* -> mbclen (only for valid encoding) */ int rb_enc_fast_mbclen(const char *p, const char *e, rb_encoding *enc); /* -> chlen, invalid or needmore */ int rb_enc_precise_mbclen(const char *p, const char *e, rb_encoding *enc); #define MBCLEN_CHARFOUND_P(ret) ONIGENC_MBCLEN_CHARFOUND_P(ret) #define MBCLEN_CHARFOUND_LEN(ret) ONIGENC_MBCLEN_CHARFOUND_LEN(ret) #define MBCLEN_INVALID_P(ret) ONIGENC_MBCLEN_INVALID_P(ret) #define MBCLEN_NEEDMORE_P(ret) ONIGENC_MBCLEN_NEEDMORE_P(ret) #define MBCLEN_NEEDMORE_LEN(ret) ONIGENC_MBCLEN_NEEDMORE_LEN(ret) /* -> 0x00..0x7f, -1 */ int rb_enc_ascget(const char *p, const char *e, int *len, rb_encoding *enc); /* -> code (and len) or raise exception */ unsigned int rb_enc_codepoint_len(const char *p, const char *e, int *len, rb_encoding *enc); /* prototype for obsolete function */ unsigned int rb_enc_codepoint(const char *p, const char *e, rb_encoding *enc); /* overriding macro */ #define rb_enc_codepoint(p,e,enc) rb_enc_codepoint_len((p),(e),0,(enc)) #define rb_enc_mbc_to_codepoint(p, e, enc) ONIGENC_MBC_TO_CODE((enc),(UChar*)(p),(UChar*)(e)) /* -> codelen>0 or raise exception */ int rb_enc_codelen(int code, rb_encoding *enc); /* -> 0 for invalid codepoint */ int rb_enc_code_to_mbclen(int code, rb_encoding *enc); #define rb_enc_code_to_mbclen(c, enc) ONIGENC_CODE_TO_MBCLEN((enc), (c)); /* code,ptr,encoding -> write buf */ #define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC((enc),(c),(UChar*)(buf)) /* start, ptr, end, encoding -> prev_char */ #define rb_enc_prev_char(s,p,e,enc) ((char *)onigenc_get_prev_char_head((enc),(UChar*)(s),(UChar*)(p),(UChar*)(e))) /* start, ptr, end, encoding -> next_char */ #define rb_enc_left_char_head(s,p,e,enc) ((char *)onigenc_get_left_adjust_char_head((enc),(UChar*)(s),(UChar*)(p),(UChar*)(e))) #define rb_enc_right_char_head(s,p,e,enc) ((char *)onigenc_get_right_adjust_char_head((enc),(UChar*)(s),(UChar*)(p),(UChar*)(e))) #define rb_enc_step_back(s,p,e,n,enc) ((char *)onigenc_step_back((enc),(UChar*)(s),(UChar*)(p),(UChar*)(e),(int)(n))) /* ptr, ptr, encoding -> newline_or_not */ #define rb_enc_is_newline(p,end,enc) ONIGENC_IS_MBC_NEWLINE((enc),(UChar*)(p),(UChar*)(end)) #define rb_enc_isctype(c,t,enc) ONIGENC_IS_CODE_CTYPE((enc),(c),(t)) #define rb_enc_isascii(c,enc) ONIGENC_IS_CODE_ASCII(c) #define rb_enc_isalpha(c,enc) ONIGENC_IS_CODE_ALPHA((enc),(c)) #define rb_enc_islower(c,enc) ONIGENC_IS_CODE_LOWER((enc),(c)) #define rb_enc_isupper(c,enc) ONIGENC_IS_CODE_UPPER((enc),(c)) #define rb_enc_ispunct(c,enc) ONIGENC_IS_CODE_PUNCT((enc),(c)) #define rb_enc_isalnum(c,enc) ONIGENC_IS_CODE_ALNUM((enc),(c)) #define rb_enc_isprint(c,enc) ONIGENC_IS_CODE_PRINT((enc),(c)) #define rb_enc_isspace(c,enc) ONIGENC_IS_CODE_SPACE((enc),(c)) #define rb_enc_isdigit(c,enc) ONIGENC_IS_CODE_DIGIT((enc),(c)) static inline int rb_enc_asciicompat_inline(rb_encoding *enc) { return rb_enc_mbminlen(enc)==1 && !rb_enc_dummy_p(enc); } #define rb_enc_asciicompat(enc) rb_enc_asciicompat_inline(enc) int rb_enc_casefold(char *to, const char *p, const char *e, rb_encoding *enc); CONSTFUNC(int rb_enc_toupper(int c, rb_encoding *enc)); CONSTFUNC(int rb_enc_tolower(int c, rb_encoding *enc)); ID rb_intern3(const char*, long, rb_encoding*); ID rb_interned_id_p(const char *, long, rb_encoding *); int rb_enc_symname_p(const char*, rb_encoding*); int rb_enc_symname2_p(const char*, long, rb_encoding*); int rb_enc_str_coderange(VALUE); long rb_str_coderange_scan_restartable(const char*, const char*, rb_encoding*, int*); int rb_enc_str_asciionly_p(VALUE); #define rb_enc_str_asciicompat_p(str) rb_enc_asciicompat(rb_enc_get(str)) VALUE rb_enc_from_encoding(rb_encoding *enc); PUREFUNC(int rb_enc_unicode_p(rb_encoding *enc)); rb_encoding *rb_ascii8bit_encoding(void); rb_encoding *rb_utf8_encoding(void); rb_encoding *rb_usascii_encoding(void); rb_encoding *rb_locale_encoding(void); rb_encoding *rb_filesystem_encoding(void); rb_encoding *rb_default_external_encoding(void); rb_encoding *rb_default_internal_encoding(void); #ifndef rb_ascii8bit_encindex CONSTFUNC(int rb_ascii8bit_encindex(void)); #endif #ifndef rb_utf8_encindex CONSTFUNC(int rb_utf8_encindex(void)); #endif #ifndef rb_usascii_encindex CONSTFUNC(int rb_usascii_encindex(void)); #endif int rb_locale_encindex(void); int rb_filesystem_encindex(void); VALUE rb_enc_default_external(void); VALUE rb_enc_default_internal(void); void rb_enc_set_default_external(VALUE encoding); void rb_enc_set_default_internal(VALUE encoding); VALUE rb_locale_charmap(VALUE klass); long rb_memsearch(const void*,long,const void*,long,rb_encoding*); char *rb_enc_path_next(const char *,const char *,rb_encoding*); char *rb_enc_path_skip_prefix(const char *,const char *,rb_encoding*); char *rb_enc_path_last_separator(const char *,const char *,rb_encoding*); char *rb_enc_path_end(const char *,const char *,rb_encoding*); const char *ruby_enc_find_basename(const char *name, long *baselen, long *alllen, rb_encoding *enc); const char *ruby_enc_find_extname(const char *name, long *len, rb_encoding *enc); ID rb_check_id_cstr(const char *ptr, long len, rb_encoding *enc); VALUE rb_check_symbol_cstr(const char *ptr, long len, rb_encoding *enc); RUBY_EXTERN VALUE rb_cEncoding; /* econv stuff */ typedef enum { econv_invalid_byte_sequence, econv_undefined_conversion, econv_destination_buffer_full, econv_source_buffer_empty, econv_finished, econv_after_output, econv_incomplete_input } rb_econv_result_t; typedef struct rb_econv_t rb_econv_t; VALUE rb_str_encode(VALUE str, VALUE to, int ecflags, VALUE ecopts); int rb_econv_has_convpath_p(const char* from_encoding, const char* to_encoding); int rb_econv_prepare_options(VALUE opthash, VALUE *ecopts, int ecflags); int rb_econv_prepare_opts(VALUE opthash, VALUE *ecopts); rb_econv_t *rb_econv_open(const char *source_encoding, const char *destination_encoding, int ecflags); rb_econv_t *rb_econv_open_opts(const char *source_encoding, const char *destination_encoding, int ecflags, VALUE ecopts); rb_econv_result_t rb_econv_convert(rb_econv_t *ec, const unsigned char **source_buffer_ptr, const unsigned char *source_buffer_end, unsigned char **destination_buffer_ptr, unsigned char *destination_buffer_end, int flags); void rb_econv_close(rb_econv_t *ec); /* result: 0:success -1:failure */ int rb_econv_set_replacement(rb_econv_t *ec, const unsigned char *str, size_t len, const char *encname); /* result: 0:success -1:failure */ int rb_econv_decorate_at_first(rb_econv_t *ec, const char *decorator_name); int rb_econv_decorate_at_last(rb_econv_t *ec, const char *decorator_name); VALUE rb_econv_open_exc(const char *senc, const char *denc, int ecflags); /* result: 0:success -1:failure */ int rb_econv_insert_output(rb_econv_t *ec, const unsigned char *str, size_t len, const char *str_encoding); /* encoding that rb_econv_insert_output doesn't need conversion */ const char *rb_econv_encoding_to_insert_output(rb_econv_t *ec); /* raise an error if the last rb_econv_convert is error */ void rb_econv_check_error(rb_econv_t *ec); /* returns an exception object or nil */ VALUE rb_econv_make_exception(rb_econv_t *ec); int rb_econv_putbackable(rb_econv_t *ec); void rb_econv_putback(rb_econv_t *ec, unsigned char *p, int n); /* returns the corresponding ASCII compatible encoding for encname, * or NULL if encname is not ASCII incompatible encoding. */ const char *rb_econv_asciicompat_encoding(const char *encname); VALUE rb_econv_str_convert(rb_econv_t *ec, VALUE src, int flags); VALUE rb_econv_substr_convert(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, int flags); VALUE rb_econv_str_append(rb_econv_t *ec, VALUE src, VALUE dst, int flags); VALUE rb_econv_substr_append(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, VALUE dst, int flags); VALUE rb_econv_append(rb_econv_t *ec, const char *bytesrc, long bytesize, VALUE dst, int flags); void rb_econv_binmode(rb_econv_t *ec); enum ruby_econv_flag_type { /* flags for rb_econv_open */ RUBY_ECONV_ERROR_HANDLER_MASK = 0x000000ff, RUBY_ECONV_INVALID_MASK = 0x0000000f, RUBY_ECONV_INVALID_REPLACE = 0x00000002, RUBY_ECONV_UNDEF_MASK = 0x000000f0, RUBY_ECONV_UNDEF_REPLACE = 0x00000020, RUBY_ECONV_UNDEF_HEX_CHARREF = 0x00000030, RUBY_ECONV_DECORATOR_MASK = 0x0000ff00, RUBY_ECONV_NEWLINE_DECORATOR_MASK = 0x00003f00, RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK = 0x00000f00, RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK = 0x00003000, RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR = 0x00000100, RUBY_ECONV_CRLF_NEWLINE_DECORATOR = 0x00001000, RUBY_ECONV_CR_NEWLINE_DECORATOR = 0x00002000, RUBY_ECONV_XML_TEXT_DECORATOR = 0x00004000, RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR = 0x00008000, RUBY_ECONV_STATEFUL_DECORATOR_MASK = 0x00f00000, RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR = 0x00100000, RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR = #if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32) RUBY_ECONV_CRLF_NEWLINE_DECORATOR, #else 0, #endif #define ECONV_ERROR_HANDLER_MASK RUBY_ECONV_ERROR_HANDLER_MASK #define ECONV_INVALID_MASK RUBY_ECONV_INVALID_MASK #define ECONV_INVALID_REPLACE RUBY_ECONV_INVALID_REPLACE #define ECONV_UNDEF_MASK RUBY_ECONV_UNDEF_MASK #define ECONV_UNDEF_REPLACE RUBY_ECONV_UNDEF_REPLACE #define ECONV_UNDEF_HEX_CHARREF RUBY_ECONV_UNDEF_HEX_CHARREF #define ECONV_DECORATOR_MASK RUBY_ECONV_DECORATOR_MASK #define ECONV_NEWLINE_DECORATOR_MASK RUBY_ECONV_NEWLINE_DECORATOR_MASK #define ECONV_NEWLINE_DECORATOR_READ_MASK RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK #define ECONV_NEWLINE_DECORATOR_WRITE_MASK RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK #define ECONV_UNIVERSAL_NEWLINE_DECORATOR RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR #define ECONV_CRLF_NEWLINE_DECORATOR RUBY_ECONV_CRLF_NEWLINE_DECORATOR #define ECONV_CR_NEWLINE_DECORATOR RUBY_ECONV_CR_NEWLINE_DECORATOR #define ECONV_XML_TEXT_DECORATOR RUBY_ECONV_XML_TEXT_DECORATOR #define ECONV_XML_ATTR_CONTENT_DECORATOR RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR #define ECONV_STATEFUL_DECORATOR_MASK RUBY_ECONV_STATEFUL_DECORATOR_MASK #define ECONV_XML_ATTR_QUOTE_DECORATOR RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR #define ECONV_DEFAULT_NEWLINE_DECORATOR RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR /* end of flags for rb_econv_open */ /* flags for rb_econv_convert */ RUBY_ECONV_PARTIAL_INPUT = 0x00010000, RUBY_ECONV_AFTER_OUTPUT = 0x00020000, #define ECONV_PARTIAL_INPUT RUBY_ECONV_PARTIAL_INPUT #define ECONV_AFTER_OUTPUT RUBY_ECONV_AFTER_OUTPUT /* end of flags for rb_econv_convert */ RUBY_ECONV_FLAGS_PLACEHOLDER}; RUBY_SYMBOL_EXPORT_END #if defined(__cplusplus) #if 0 { /* satisfy cc-mode */ #endif } /* extern "C" { */ #endif #endif /* RUBY_ENCODING_H */