gcc/ada/a-strmap.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                     A D A . S T R I N G S . M A P S                      --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2005 Free Software Foundation, Inc.          --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
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  26 -- As a special exception,  if other files  instantiate  generics from this --
  27 -- unit, or you link  this unit with other files  to produce an executable, --
  28 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  29 -- covered  by the  GNU  General  Public  License.  This exception does not --
  30 -- however invalidate  any other reasons why  the executable file  might be --
  31 -- covered by the  GNU Public License.                                      --
  32 --                                                                          --
  33 -- GNAT was originally developed  by the GNAT team at  New York University. --
  34 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  35 --                                                                          --
  36 ------------------------------------------------------------------------------
  37
  38 with Ada.Characters.Latin_1;
  39
  40 package Ada.Strings.Maps is
  41 pragma Preelaborate (Maps);
  42
  43    --------------------------------
  44    -- Character Set Declarations --
  45    --------------------------------
  46
  47    type Character_Set is private;
  48    --  Representation for a set of character values:
  49
  50    Null_Set : constant Character_Set;
  51
  52    ---------------------------
  53    -- Constructors for Sets --
  54    ---------------------------
  55
  56    type Character_Range is record
  57       Low  : Character;
  58       High : Character;
  59    end record;
  60    --  Represents Character range Low .. High
  61
  62    type Character_Ranges is array (Positive range <>) of Character_Range;
  63
  64    function To_Set    (Ranges : Character_Ranges) return Character_Set;
  65
  66    function To_Set    (Span   : Character_Range)  return Character_Set;
  67
  68    function To_Ranges (Set    : Character_Set)    return Character_Ranges;
  69
  70    ----------------------------------
  71    -- Operations on Character Sets --
  72    ----------------------------------
  73
  74    function "="   (Left, Right : Character_Set) return Boolean;
  75
  76    function "not" (Right       : Character_Set) return Character_Set;
  77    function "and" (Left, Right : Character_Set) return Character_Set;
  78    function "or"  (Left, Right : Character_Set) return Character_Set;
  79    function "xor" (Left, Right : Character_Set) return Character_Set;
  80    function "-"   (Left, Right : Character_Set) return Character_Set;
  81
  82    function Is_In
  83      (Element : Character;
  84       Set     : Character_Set) return Boolean;
  85
  86    function Is_Subset
  87      (Elements : Character_Set;
  88       Set      : Character_Set) return     Boolean;
  89
  90    function "<="
  91      (Left  : Character_Set;
  92       Right : Character_Set) return  Boolean
  93    renames Is_Subset;
  94
  95    subtype Character_Sequence is String;
  96    --  Alternative representation for a set of character values
  97
  98    function To_Set (Sequence  : Character_Sequence) return Character_Set;
  99    function To_Set (Singleton : Character)          return Character_Set;
 100
 101    function To_Sequence (Set : Character_Set) return Character_Sequence;
 102
 103    ------------------------------------
 104    -- Character Mapping Declarations --
 105    ------------------------------------
 106
 107    type Character_Mapping is private;
 108    --  Representation for a character to character mapping:
 109
 110    function Value
 111      (Map     : Character_Mapping;
 112       Element : Character) return Character;
 113
 114    Identity : constant Character_Mapping;
 115
 116    ----------------------------
 117    -- Operations on Mappings --
 118    ----------------------------
 119
 120    function To_Mapping
 121      (From, To : Character_Sequence) return Character_Mapping;
 122
 123    function To_Domain
 124      (Map : Character_Mapping) return Character_Sequence;
 125
 126    function To_Range
 127      (Map : Character_Mapping) return Character_Sequence;
 128
 129    type Character_Mapping_Function is
 130       access function (From : Character) return Character;
 131
 132 private
 133    pragma Inline (Is_In);
 134    pragma Inline (Value);
 135
 136    type Character_Set_Internal is array (Character) of Boolean;
 137    pragma Pack (Character_Set_Internal);
 138
 139    type Character_Set is new Character_Set_Internal;
 140    --  Note: the reason for this level of derivation is to make sure
 141    --  that the predefined logical operations on this type remain
 142    --  accessible. The operations on Character_Set are overridden by
 143    --  the defined operations in the spec, but the operations defined
 144    --  on Character_Set_Internal remain visible.
 145
 146    Null_Set : constant Character_Set := (others => False);
 147
 148    type Character_Mapping is array (Character) of Character;
 149
 150    package L renames Ada.Characters.Latin_1;
 151
 152    Identity : constant Character_Mapping :=
 153      (L.NUL                         &  -- NUL                             0
 154       L.SOH                         &  -- SOH                             1
 155       L.STX                         &  -- STX                             2
 156       L.ETX                         &  -- ETX                             3
 157       L.EOT                         &  -- EOT                             4
 158       L.ENQ                         &  -- ENQ                             5
 159       L.ACK                         &  -- ACK                             6
 160       L.BEL                         &  -- BEL                             7
 161       L.BS                          &  -- BS                              8
 162       L.HT                          &  -- HT                              9
 163       L.LF                          &  -- LF                             10
 164       L.VT                          &  -- VT                             11
 165       L.FF                          &  -- FF                             12
 166       L.CR                          &  -- CR                             13
 167       L.SO                          &  -- SO                             14
 168       L.SI                          &  -- SI                             15
 169       L.DLE                         &  -- DLE                            16
 170       L.DC1                         &  -- DC1                            17
 171       L.DC2                         &  -- DC2                            18
 172       L.DC3                         &  -- DC3                            19
 173       L.DC4                         &  -- DC4                            20
 174       L.NAK                         &  -- NAK                            21
 175       L.SYN                         &  -- SYN                            22
 176       L.ETB                         &  -- ETB                            23
 177       L.CAN                         &  -- CAN                            24
 178       L.EM                          &  -- EM                             25
 179       L.SUB                         &  -- SUB                            26
 180       L.ESC                         &  -- ESC                            27
 181       L.FS                          &  -- FS                             28
 182       L.GS                          &  -- GS                             29
 183       L.RS                          &  -- RS                             30
 184       L.US                          &  -- US                             31
 185       L.Space                       &  -- ' '                            32
 186       L.Exclamation                 &  -- '!'                            33
 187       L.Quotation                   &  -- '"'                            34
 188       L.Number_Sign                 &  -- '#'                            35
 189       L.Dollar_Sign                 &  -- '$'                            36
 190       L.Percent_Sign                &  -- '%'                            37
 191       L.Ampersand                   &  -- '&'                            38
 192       L.Apostrophe                  &  -- '''                            39
 193       L.Left_Parenthesis            &  -- '('                            40
 194       L.Right_Parenthesis           &  -- ')'                            41
 195       L.Asterisk                    &  -- '*'                            42
 196       L.Plus_Sign                   &  -- '+'                            43
 197       L.Comma                       &  -- ','                            44
 198       L.Hyphen                      &  -- '-'                            45
 199       L.Full_Stop                   &  -- '.'                            46
 200       L.Solidus                     &  -- '/'                            47
 201       '0'                           &  -- '0'                            48
 202       '1'                           &  -- '1'                            49
 203       '2'                           &  -- '2'                            50
 204       '3'                           &  -- '3'                            51
 205       '4'                           &  -- '4'                            52
 206       '5'                           &  -- '5'                            53
 207       '6'                           &  -- '6'                            54
 208       '7'                           &  -- '7'                            55
 209       '8'                           &  -- '8'                            56
 210       '9'                           &  -- '9'                            57
 211       L.Colon                       &  -- ':'                            58
 212       L.Semicolon                   &  -- ';'                            59
 213       L.Less_Than_Sign              &  -- '<'                            60
 214       L.Equals_Sign                 &  -- '='                            61
 215       L.Greater_Than_Sign           &  -- '>'                            62
 216       L.Question                    &  -- '?'                            63
 217       L.Commercial_At               &  -- '@'                            64
 218       'A'                           &  -- 'A'                            65
 219       'B'                           &  -- 'B'                            66
 220       'C'                           &  -- 'C'                            67
 221       'D'                           &  -- 'D'                            68
 222       'E'                           &  -- 'E'                            69
 223       'F'                           &  -- 'F'                            70
 224       'G'                           &  -- 'G'                            71
 225       'H'                           &  -- 'H'                            72
 226       'I'                           &  -- 'I'                            73
 227       'J'                           &  -- 'J'                            74
 228       'K'                           &  -- 'K'                            75
 229       'L'                           &  -- 'L'                            76
 230       'M'                           &  -- 'M'                            77
 231       'N'                           &  -- 'N'                            78
 232       'O'                           &  -- 'O'                            79
 233       'P'                           &  -- 'P'                            80
 234       'Q'                           &  -- 'Q'                            81
 235       'R'                           &  -- 'R'                            82
 236       'S'                           &  -- 'S'                            83
 237       'T'                           &  -- 'T'                            84
 238       'U'                           &  -- 'U'                            85
 239       'V'                           &  -- 'V'                            86
 240       'W'                           &  -- 'W'                            87
 241       'X'                           &  -- 'X'                            88
 242       'Y'                           &  -- 'Y'                            89
 243       'Z'                           &  -- 'Z'                            90
 244       L.Left_Square_Bracket         &  -- '['                            91
 245       L.Reverse_Solidus             &  -- '\'                            92
 246       L.Right_Square_Bracket        &  -- ']'                            93
 247       L.Circumflex                  &  -- '^'                            94
 248       L.Low_Line                    &  -- '_'                            95
 249       L.Grave                       &  -- '`'                            96
 250       L.LC_A                        &  -- 'a'                            97
 251       L.LC_B                        &  -- 'b'                            98
 252       L.LC_C                        &  -- 'c'                            99
 253       L.LC_D                        &  -- 'd'                           100
 254       L.LC_E                        &  -- 'e'                           101
 255       L.LC_F                        &  -- 'f'                           102
 256       L.LC_G                        &  -- 'g'                           103
 257       L.LC_H                        &  -- 'h'                           104
 258       L.LC_I                        &  -- 'i'                           105
 259       L.LC_J                        &  -- 'j'                           106
 260       L.LC_K                        &  -- 'k'                           107
 261       L.LC_L                        &  -- 'l'                           108
 262       L.LC_M                        &  -- 'm'                           109
 263       L.LC_N                        &  -- 'n'                           110
 264       L.LC_O                        &  -- 'o'                           111
 265       L.LC_P                        &  -- 'p'                           112
 266       L.LC_Q                        &  -- 'q'                           113
 267       L.LC_R                        &  -- 'r'                           114
 268       L.LC_S                        &  -- 's'                           115
 269       L.LC_T                        &  -- 't'                           116
 270       L.LC_U                        &  -- 'u'                           117
 271       L.LC_V                        &  -- 'v'                           118
 272       L.LC_W                        &  -- 'w'                           119
 273       L.LC_X                        &  -- 'x'                           120
 274       L.LC_Y                        &  -- 'y'                           121
 275       L.LC_Z                        &  -- 'z'                           122
 276       L.Left_Curly_Bracket          &  -- '{'                           123
 277       L.Vertical_Line               &  -- '|'                           124
 278       L.Right_Curly_Bracket         &  -- '}'                           125
 279       L.Tilde                       &  -- '~'                           126
 280       L.DEL                         &  -- DEL                           127
 281       L.Reserved_128                &  -- Reserved_128                  128
 282       L.Reserved_129                &  -- Reserved_129                  129
 283       L.BPH                         &  -- BPH                           130
 284       L.NBH                         &  -- NBH                           131
 285       L.Reserved_132                &  -- Reserved_132                  132
 286       L.NEL                         &  -- NEL                           133
 287       L.SSA                         &  -- SSA                           134
 288       L.ESA                         &  -- ESA                           135
 289       L.HTS                         &  -- HTS                           136
 290       L.HTJ                         &  -- HTJ                           137
 291       L.VTS                         &  -- VTS                           138
 292       L.PLD                         &  -- PLD                           139
 293       L.PLU                         &  -- PLU                           140
 294       L.RI                          &  -- RI                            141
 295       L.SS2                         &  -- SS2                           142
 296       L.SS3                         &  -- SS3                           143
 297       L.DCS                         &  -- DCS                           144
 298       L.PU1                         &  -- PU1                           145
 299       L.PU2                         &  -- PU2                           146
 300       L.STS                         &  -- STS                           147
 301       L.CCH                         &  -- CCH                           148
 302       L.MW                          &  -- MW                            149
 303       L.SPA                         &  -- SPA                           150
 304       L.EPA                         &  -- EPA                           151
 305       L.SOS                         &  -- SOS                           152
 306       L.Reserved_153                &  -- Reserved_153                  153
 307       L.SCI                         &  -- SCI                           154
 308       L.CSI                         &  -- CSI                           155
 309       L.ST                          &  -- ST                            156
 310       L.OSC                         &  -- OSC                           157
 311       L.PM                          &  -- PM                            158
 312       L.APC                         &  -- APC                           159
 313       L.No_Break_Space              &  -- No_Break_Space                160
 314       L.Inverted_Exclamation        &  -- Inverted_Exclamation          161
 315       L.Cent_Sign                   &  -- Cent_Sign                     162
 316       L.Pound_Sign                  &  -- Pound_Sign                    163
 317       L.Currency_Sign               &  -- Currency_Sign                 164
 318       L.Yen_Sign                    &  -- Yen_Sign                      165
 319       L.Broken_Bar                  &  -- Broken_Bar                    166
 320       L.Section_Sign                &  -- Section_Sign                  167
 321       L.Diaeresis                   &  -- Diaeresis                     168
 322       L.Copyright_Sign              &  -- Copyright_Sign                169
 323       L.Feminine_Ordinal_Indicator  &  -- Feminine_Ordinal_Indicator    170
 324       L.Left_Angle_Quotation        &  -- Left_Angle_Quotation          171
 325       L.Not_Sign                    &  -- Not_Sign                      172
 326       L.Soft_Hyphen                 &  -- Soft_Hyphen                   173
 327       L.Registered_Trade_Mark_Sign  &  -- Registered_Trade_Mark_Sign    174
 328       L.Macron                      &  -- Macron                        175
 329       L.Degree_Sign                 &  -- Degree_Sign                   176
 330       L.Plus_Minus_Sign             &  -- Plus_Minus_Sign               177
 331       L.Superscript_Two             &  -- Superscript_Two               178
 332       L.Superscript_Three           &  -- Superscript_Three             179
 333       L.Acute                       &  -- Acute                         180
 334       L.Micro_Sign                  &  -- Micro_Sign                    181
 335       L.Pilcrow_Sign                &  -- Pilcrow_Sign                  182
 336       L.Middle_Dot                  &  -- Middle_Dot                    183
 337       L.Cedilla                     &  -- Cedilla                       184
 338       L.Superscript_One             &  -- Superscript_One               185
 339       L.Masculine_Ordinal_Indicator &  -- Masculine_Ordinal_Indicator   186
 340       L.Right_Angle_Quotation       &  -- Right_Angle_Quotation         187
 341       L.Fraction_One_Quarter        &  -- Fraction_One_Quarter          188
 342       L.Fraction_One_Half           &  -- Fraction_One_Half             189
 343       L.Fraction_Three_Quarters     &  -- Fraction_Three_Quarters       190
 344       L.Inverted_Question           &  -- Inverted_Question             191
 345       L.UC_A_Grave                  &  -- UC_A_Grave                    192
 346       L.UC_A_Acute                  &  -- UC_A_Acute                    193
 347       L.UC_A_Circumflex             &  -- UC_A_Circumflex               194
 348       L.UC_A_Tilde                  &  -- UC_A_Tilde                    195
 349       L.UC_A_Diaeresis              &  -- UC_A_Diaeresis                196
 350       L.UC_A_Ring                   &  -- UC_A_Ring                     197
 351       L.UC_AE_Diphthong             &  -- UC_AE_Diphthong               198
 352       L.UC_C_Cedilla                &  -- UC_C_Cedilla                  199
 353       L.UC_E_Grave                  &  -- UC_E_Grave                    200
 354       L.UC_E_Acute                  &  -- UC_E_Acute                    201
 355       L.UC_E_Circumflex             &  -- UC_E_Circumflex               202
 356       L.UC_E_Diaeresis              &  -- UC_E_Diaeresis                203
 357       L.UC_I_Grave                  &  -- UC_I_Grave                    204
 358       L.UC_I_Acute                  &  -- UC_I_Acute                    205
 359       L.UC_I_Circumflex             &  -- UC_I_Circumflex               206
 360       L.UC_I_Diaeresis              &  -- UC_I_Diaeresis                207
 361       L.UC_Icelandic_Eth            &  -- UC_Icelandic_Eth              208
 362       L.UC_N_Tilde                  &  -- UC_N_Tilde                    209
 363       L.UC_O_Grave                  &  -- UC_O_Grave                    210
 364       L.UC_O_Acute                  &  -- UC_O_Acute                    211
 365       L.UC_O_Circumflex             &  -- UC_O_Circumflex               212
 366       L.UC_O_Tilde                  &  -- UC_O_Tilde                    213
 367       L.UC_O_Diaeresis              &  -- UC_O_Diaeresis                214
 368       L.Multiplication_Sign         &  -- Multiplication_Sign           215
 369       L.UC_O_Oblique_Stroke         &  -- UC_O_Oblique_Stroke           216
 370       L.UC_U_Grave                  &  -- UC_U_Grave                    217
 371       L.UC_U_Acute                  &  -- UC_U_Acute                    218
 372       L.UC_U_Circumflex             &  -- UC_U_Circumflex               219
 373       L.UC_U_Diaeresis              &  -- UC_U_Diaeresis                220
 374       L.UC_Y_Acute                  &  -- UC_Y_Acute                    221
 375       L.UC_Icelandic_Thorn          &  -- UC_Icelandic_Thorn            222
 376       L.LC_German_Sharp_S           &  -- LC_German_Sharp_S             223
 377       L.LC_A_Grave                  &  -- LC_A_Grave                    224
 378       L.LC_A_Acute                  &  -- LC_A_Acute                    225
 379       L.LC_A_Circumflex             &  -- LC_A_Circumflex               226
 380       L.LC_A_Tilde                  &  -- LC_A_Tilde                    227
 381       L.LC_A_Diaeresis              &  -- LC_A_Diaeresis                228
 382       L.LC_A_Ring                   &  -- LC_A_Ring                     229
 383       L.LC_AE_Diphthong             &  -- LC_AE_Diphthong               230
 384       L.LC_C_Cedilla                &  -- LC_C_Cedilla                  231
 385       L.LC_E_Grave                  &  -- LC_E_Grave                    232
 386       L.LC_E_Acute                  &  -- LC_E_Acute                    233
 387       L.LC_E_Circumflex             &  -- LC_E_Circumflex               234
 388       L.LC_E_Diaeresis              &  -- LC_E_Diaeresis                235
 389       L.LC_I_Grave                  &  -- LC_I_Grave                    236
 390       L.LC_I_Acute                  &  -- LC_I_Acute                    237
 391       L.LC_I_Circumflex             &  -- LC_I_Circumflex               238
 392       L.LC_I_Diaeresis              &  -- LC_I_Diaeresis                239
 393       L.LC_Icelandic_Eth            &  -- LC_Icelandic_Eth              240
 394       L.LC_N_Tilde                  &  -- LC_N_Tilde                    241
 395       L.LC_O_Grave                  &  -- LC_O_Grave                    242
 396       L.LC_O_Acute                  &  -- LC_O_Acute                    243
 397       L.LC_O_Circumflex             &  -- LC_O_Circumflex               244
 398       L.LC_O_Tilde                  &  -- LC_O_Tilde                    245
 399       L.LC_O_Diaeresis              &  -- LC_O_Diaeresis                246
 400       L.Division_Sign               &  -- Division_Sign                 247
 401       L.LC_O_Oblique_Stroke         &  -- LC_O_Oblique_Stroke           248
 402       L.LC_U_Grave                  &  -- LC_U_Grave                    249
 403       L.LC_U_Acute                  &  -- LC_U_Acute                    250
 404       L.LC_U_Circumflex             &  -- LC_U_Circumflex               251
 405       L.LC_U_Diaeresis              &  -- LC_U_Diaeresis                252
 406       L.LC_Y_Acute                  &  -- LC_Y_Acute                    253
 407       L.LC_Icelandic_Thorn          &  -- LC_Icelandic_Thorn            254
 408       L.LC_Y_Diaeresis);               -- LC_Y_Diaeresis                255
 409
 410 end Ada.Strings.Maps;