/* * Unicode helpers */ #if !defined(DUK_UNICODE_H_INCLUDED) #define DUK_UNICODE_H_INCLUDED /* * UTF-8 / XUTF-8 / CESU-8 constants */ #define DUK_UNICODE_MAX_XUTF8_LENGTH 7 /* up to 36 bit codepoints */ #define DUK_UNICODE_MAX_XUTF8_BMP_LENGTH 3 /* all codepoints up to U+FFFF */ #define DUK_UNICODE_MAX_CESU8_LENGTH 6 /* all codepoints up to U+10FFFF */ #define DUK_UNICODE_MAX_CESU8_BMP_LENGTH 3 /* all codepoints up to U+FFFF */ /* * Useful Unicode codepoints * * Integer constants must be signed to avoid unexpected coercions * in comparisons. */ #define DUK_UNICODE_CP_ZWNJ 0x200cL /* zero-width non-joiner */ #define DUK_UNICODE_CP_ZWJ 0x200dL /* zero-width joiner */ #define DUK_UNICODE_CP_REPLACEMENT_CHARACTER 0xfffdL /* http://en.wikipedia.org/wiki/Replacement_character#Replacement_character */ /* * ASCII character constants * * C character literals like 'x' have a platform specific value and do * not match ASCII (UTF-8) values on e.g. EBCDIC platforms. So, use * these (admittedly awkward) constants instead. These constants must * also have signed values to avoid unexpected coercions in comparisons. * * http://en.wikipedia.org/wiki/ASCII */ #define DUK_ASC_NUL 0x00 #define DUK_ASC_SOH 0x01 #define DUK_ASC_STX 0x02 #define DUK_ASC_ETX 0x03 #define DUK_ASC_EOT 0x04 #define DUK_ASC_ENQ 0x05 #define DUK_ASC_ACK 0x06 #define DUK_ASC_BEL 0x07 #define DUK_ASC_BS 0x08 #define DUK_ASC_HT 0x09 #define DUK_ASC_LF 0x0a #define DUK_ASC_VT 0x0b #define DUK_ASC_FF 0x0c #define DUK_ASC_CR 0x0d #define DUK_ASC_SO 0x0e #define DUK_ASC_SI 0x0f #define DUK_ASC_DLE 0x10 #define DUK_ASC_DC1 0x11 #define DUK_ASC_DC2 0x12 #define DUK_ASC_DC3 0x13 #define DUK_ASC_DC4 0x14 #define DUK_ASC_NAK 0x15 #define DUK_ASC_SYN 0x16 #define DUK_ASC_ETB 0x17 #define DUK_ASC_CAN 0x18 #define DUK_ASC_EM 0x19 #define DUK_ASC_SUB 0x1a #define DUK_ASC_ESC 0x1b #define DUK_ASC_FS 0x1c #define DUK_ASC_GS 0x1d #define DUK_ASC_RS 0x1e #define DUK_ASC_US 0x1f #define DUK_ASC_SPACE 0x20 #define DUK_ASC_EXCLAMATION 0x21 #define DUK_ASC_DOUBLEQUOTE 0x22 #define DUK_ASC_HASH 0x23 #define DUK_ASC_DOLLAR 0x24 #define DUK_ASC_PERCENT 0x25 #define DUK_ASC_AMP 0x26 #define DUK_ASC_SINGLEQUOTE 0x27 #define DUK_ASC_LPAREN 0x28 #define DUK_ASC_RPAREN 0x29 #define DUK_ASC_STAR 0x2a #define DUK_ASC_PLUS 0x2b #define DUK_ASC_COMMA 0x2c #define DUK_ASC_MINUS 0x2d #define DUK_ASC_PERIOD 0x2e #define DUK_ASC_SLASH 0x2f #define DUK_ASC_0 0x30 #define DUK_ASC_1 0x31 #define DUK_ASC_2 0x32 #define DUK_ASC_3 0x33 #define DUK_ASC_4 0x34 #define DUK_ASC_5 0x35 #define DUK_ASC_6 0x36 #define DUK_ASC_7 0x37 #define DUK_ASC_8 0x38 #define DUK_ASC_9 0x39 #define DUK_ASC_COLON 0x3a #define DUK_ASC_SEMICOLON 0x3b #define DUK_ASC_LANGLE 0x3c #define DUK_ASC_EQUALS 0x3d #define DUK_ASC_RANGLE 0x3e #define DUK_ASC_QUESTION 0x3f #define DUK_ASC_ATSIGN 0x40 #define DUK_ASC_UC_A 0x41 #define DUK_ASC_UC_B 0x42 #define DUK_ASC_UC_C 0x43 #define DUK_ASC_UC_D 0x44 #define DUK_ASC_UC_E 0x45 #define DUK_ASC_UC_F 0x46 #define DUK_ASC_UC_G 0x47 #define DUK_ASC_UC_H 0x48 #define DUK_ASC_UC_I 0x49 #define DUK_ASC_UC_J 0x4a #define DUK_ASC_UC_K 0x4b #define DUK_ASC_UC_L 0x4c #define DUK_ASC_UC_M 0x4d #define DUK_ASC_UC_N 0x4e #define DUK_ASC_UC_O 0x4f #define DUK_ASC_UC_P 0x50 #define DUK_ASC_UC_Q 0x51 #define DUK_ASC_UC_R 0x52 #define DUK_ASC_UC_S 0x53 #define DUK_ASC_UC_T 0x54 #define DUK_ASC_UC_U 0x55 #define DUK_ASC_UC_V 0x56 #define DUK_ASC_UC_W 0x57 #define DUK_ASC_UC_X 0x58 #define DUK_ASC_UC_Y 0x59 #define DUK_ASC_UC_Z 0x5a #define DUK_ASC_LBRACKET 0x5b #define DUK_ASC_BACKSLASH 0x5c #define DUK_ASC_RBRACKET 0x5d #define DUK_ASC_CARET 0x5e #define DUK_ASC_UNDERSCORE 0x5f #define DUK_ASC_GRAVE 0x60 #define DUK_ASC_LC_A 0x61 #define DUK_ASC_LC_B 0x62 #define DUK_ASC_LC_C 0x63 #define DUK_ASC_LC_D 0x64 #define DUK_ASC_LC_E 0x65 #define DUK_ASC_LC_F 0x66 #define DUK_ASC_LC_G 0x67 #define DUK_ASC_LC_H 0x68 #define DUK_ASC_LC_I 0x69 #define DUK_ASC_LC_J 0x6a #define DUK_ASC_LC_K 0x6b #define DUK_ASC_LC_L 0x6c #define DUK_ASC_LC_M 0x6d #define DUK_ASC_LC_N 0x6e #define DUK_ASC_LC_O 0x6f #define DUK_ASC_LC_P 0x70 #define DUK_ASC_LC_Q 0x71 #define DUK_ASC_LC_R 0x72 #define DUK_ASC_LC_S 0x73 #define DUK_ASC_LC_T 0x74 #define DUK_ASC_LC_U 0x75 #define DUK_ASC_LC_V 0x76 #define DUK_ASC_LC_W 0x77 #define DUK_ASC_LC_X 0x78 #define DUK_ASC_LC_Y 0x79 #define DUK_ASC_LC_Z 0x7a #define DUK_ASC_LCURLY 0x7b #define DUK_ASC_PIPE 0x7c #define DUK_ASC_RCURLY 0x7d #define DUK_ASC_TILDE 0x7e #define DUK_ASC_DEL 0x7f /* * Miscellaneous */ /* Uppercase A is 0x41, lowercase a is 0x61; OR 0x20 to convert uppercase * to lowercase. */ #define DUK_LOWERCASE_CHAR_ASCII(x) ((x) | 0x20) /* * Unicode tables */ #if defined(DUK_USE_SOURCE_NONBMP) /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_ids_noa[1116]; #else /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_ids_noabmp[625]; #endif #if defined(DUK_USE_SOURCE_NONBMP) /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_ids_m_let_noa[42]; #else /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_ids_m_let_noabmp[24]; #endif #if defined(DUK_USE_SOURCE_NONBMP) /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_idp_m_ids_noa[576]; #else /* * Automatically generated by extract_chars.py, do not edit! */ extern const duk_uint8_t duk_unicode_idp_m_ids_noabmp[358]; #endif /* * Automatically generated by extract_caseconv.py, do not edit! */ extern const duk_uint8_t duk_unicode_caseconv_uc[1411]; extern const duk_uint8_t duk_unicode_caseconv_lc[706]; #if defined(DUK_USE_REGEXP_CANON_WORKAROUND) /* * Automatically generated by extract_caseconv.py, do not edit! */ extern const duk_uint16_t duk_unicode_re_canon_lookup[65536]; #endif #if defined(DUK_USE_REGEXP_CANON_BITMAP) /* * Automatically generated by extract_caseconv.py, do not edit! */ #define DUK_CANON_BITMAP_BLKSIZE 32 #define DUK_CANON_BITMAP_BLKSHIFT 5 #define DUK_CANON_BITMAP_BLKMASK 31 extern const duk_uint8_t duk_unicode_re_canon_bitmap[256]; #endif /* * Extern */ /* duk_unicode_support.c */ #if !defined(DUK_SINGLE_FILE) DUK_INTERNAL_DECL const duk_uint8_t duk_unicode_xutf8_markers[7]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_digit[2]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_white[22]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_wordchar[8]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_digit[4]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_white[24]; DUK_INTERNAL_DECL const duk_uint16_t duk_unicode_re_ranges_not_wordchar[10]; DUK_INTERNAL_DECL const duk_int8_t duk_is_idchar_tab[128]; #endif /* !DUK_SINGLE_FILE */ /* * Prototypes */ DUK_INTERNAL_DECL duk_small_int_t duk_unicode_get_xutf8_length(duk_ucodepoint_t cp); #if defined(DUK_USE_ASSERTIONS) DUK_INTERNAL_DECL duk_small_int_t duk_unicode_get_cesu8_length(duk_ucodepoint_t cp); #endif DUK_INTERNAL_DECL duk_small_int_t duk_unicode_encode_xutf8(duk_ucodepoint_t cp, duk_uint8_t *out); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_encode_cesu8(duk_ucodepoint_t cp, duk_uint8_t *out); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_decode_xutf8(duk_hthread *thr, const duk_uint8_t **ptr, const duk_uint8_t *ptr_start, const duk_uint8_t *ptr_end, duk_ucodepoint_t *out_cp); DUK_INTERNAL_DECL duk_ucodepoint_t duk_unicode_decode_xutf8_checked(duk_hthread *thr, const duk_uint8_t **ptr, const duk_uint8_t *ptr_start, const duk_uint8_t *ptr_end); DUK_INTERNAL_DECL duk_size_t duk_unicode_unvalidated_utf8_length(const duk_uint8_t *data, duk_size_t blen); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_whitespace(duk_codepoint_t cp); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_line_terminator(duk_codepoint_t cp); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_start(duk_codepoint_t cp); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_part(duk_codepoint_t cp); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_letter(duk_codepoint_t cp); DUK_INTERNAL_DECL void duk_unicode_case_convert_string(duk_hthread *thr, duk_bool_t uppercase); #if defined(DUK_USE_REGEXP_SUPPORT) DUK_INTERNAL_DECL duk_codepoint_t duk_unicode_re_canonicalize_char(duk_hthread *thr, duk_codepoint_t cp); DUK_INTERNAL_DECL duk_small_int_t duk_unicode_re_is_wordchar(duk_codepoint_t cp); #endif #endif /* DUK_UNICODE_H_INCLUDED */