1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477 | pragma Ada_2022;
with Common; use Common;
with Ada.Directories; use Ada.Directories;
with Ada.Wide_Wide_Text_IO; use Ada.Wide_Wide_Text_IO;
with Ada.Wide_Wide_Characters.Handling; use Ada.Wide_Wide_Characters.Handling;
package body Countries is
function Search_Country_Name
(This : ISO_3166_1_Table.Vector;
Name : Unbounded_Wide_Wide_String)
return Natural is
Search : constant Unbounded_Wide_Wide_String := To_Unbounded_Wide_Wide_String ( To_Upper(To_Wide_Wide_String (Name)));
Result : Natural := 1;
begin
for X of This loop
if To_Unbounded_Wide_Wide_String ( To_Upper(To_Wide_Wide_String (X.Name))) = Search then
return Result;
else
Result := Result + 1;
end if;
end loop;
return 0;
end Search_Country_Name;
function Load_Countries_CSV return ISO_3166_1_Table.Vector
is
-- Our CSV file
F : File_Type;
-- Our vector.
Table : ISO_3166_1_Table.Vector;
begin
-- Load the CSV
Open (F, In_File, Countries_CSV, "WCEM=h");
-- Validate the header.
if Get_Line (F) /= "English short name,Alpha-2 code,Alpha-3 code,Numeric" then
raise Invalid_File with "Invalid columns";
end if;
while not End_Of_File (F) loop
declare
-- Read next row.
Next_Line : constant Wide_Wide_String := Get_Line (F);
-- To keep track of where we are in the row.
Next : Natural := Next_Line'First;
-- Break up each field; don't forget to handle commas!
-- This really is quick and dirty, there's plenty of better ways
-- to do this more generically, but I'm hoping someday to migrate
-- to XML.
Next_Row : constant ISO_3166_1_Row :=
(Name => Get_Next_Field
(Next_Line (Next .. Next_Line'Last),
Next),
Alpha_2 => TUB (Get_Next_Field
(Next_Line (Next .. Next_Line'Last),
Next)),
Alpha_3 => TUB (Get_Next_Field
(Next_Line (Next .. Next_Line'Last),
Next)),
Numeric => TUB (Get_Next_Field
(Next_Line (Next .. Next_Line'Last),
Next)));
begin
-- Insert the item.
Table.Append (Next_Row);
end;
end loop;
Close (F);
return Table;
end Load_Countries_CSV;
procedure Generate_Countries (Table : ISO_3166_1_Table.Vector) is
F : File_Type;
begin
-- Create the output directory if it doesn't exist.
Create_Path ("output");
-- Delete iso-countries.ads if it exists, we're regenerating.
if Exists ("output/iso-countries.ads") then
Open (F, Out_File, "output/iso-countries.ads");
Delete (F);
end if;
-- Create iso-countries.ads
Create (F, Out_File, "output/iso-countries.ads");
Put_Line (F, "with Ada.Locales;");
Put_Line (F, "-- ****h* ISO/Countries");
Put_Line (F, "-- DESCRIPTION");
Put_Line (F, "-- Implimentation of ISO 3166-1 (Country Codes).");
Put_Line (F, "-- SOURCE");
Put_Line (F, "package ISO.Countries is");
Put_Line (F, "-- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Alpha2_Code");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- The two-letter country code defined by ISO 3166-1.");
Put_Line (F, " -- DERIVED FROM");
Put_Line (F, " -- Ada.Locales.Country_Code");
Put_Line (F, " -- SOURCE");
-- Alpha2 code with dynamic predicate of every possible options.
Put_Line (F, " subtype Alpha2_Code is String (1 .. 2)");
Put_Line (F, " with Dynamic_Predicate => Alpha2_Code in");
Put (F, " ");
for I of Table loop
Put (F, """" & TWS (I.Alpha_2) & """ | ");
end loop;
Put_Line (F, """ZZ"";");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Alpha3_Code");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- The three-letter country code defined by ISO 3166-1.");
Put_Line (F, " -- DERIVED FROM");
Put_Line (F, " -- String");
Put_Line (F, " -- SOURCE");
-- Alpha3 code with dynamic predicate of every possible options.
Put_Line (F, " subtype Alpha3_Code is String (1 .. 3)");
Put_Line (F, " with Dynamic_Predicate => Alpha3_Code in");
Put (F, " ");
for I of Table loop
Put (F, """" & TWS (I.Alpha_3) & """ | ");
end loop;
Put_Line (F, """ZZZ"";");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Numeric_Code");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- The numeric country code defined by ISO 3166-1.");
Put_Line (F, " -- DERIVED FROM");
Put_Line (F, " -- Natural");
Put_Line (F, " -- SOURCE");
-- Numeric code with dynamic predicate of every possible options.
Put_Line (F, " subtype Numeric_Code is Natural");
Put_Line (F, " with Dynamic_Predicate => Numeric_Code in");
Put (F, " ");
for I of Table loop
Put (F, TWS (I.Numeric) & " | ");
end loop;
Put_Line (F, "0;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Country_Key");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- An enumeration of every iso 3166 alpha2 country code.");
Put_Line (F, " -- Each code starts with ""C_"", to prevent any enumeration conlficting");
Put_Line (F, " -- with a reserved word. So you can cast any alpha2 to Country_Key by");
Put_Line (F, " -- doing ""Country_Key'Value (""C_"" & Alpha2)""");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Key : Country_Key := C_US;");
Put_Line (F, " -- SOURCE");
-- All country keys.
Put_Line (F, " type Country_Key is (");
for I of Table loop
Put_Line (F, " C_" & TWS (I.Alpha_2) & ", -- " & TWS (I.Name));
end loop;
Put_Line (F, " C_ZZ -- Undefined Country");
Put_Line (F, " );");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Country");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- The ISO_3166-1 country to be referenced. When initializing, you can");
Put_Line (F, " -- set the key to Country_Key that will be utilizeed one of the functions");
Put_Line (F, " -- to access the Country.");
Put_Line (F, " -- USAGE");
Put_Line (F, " -- My_Country : Country := (C_US); -- This is the USA.");
Put_Line (F, " -- METHODS");
Put_Line (F, " -- * ISO.Countries.Country/Name");
Put_Line (F, " -- * ISO.Countries.Country/Alpha2");
Put_Line (F, " -- * ISO.Countries.Country/Alpha3");
Put_Line (F, " -- * ISO.Countries.Country/Numeric");
Put_Line (F, " -- * ISO.Countries.Country/Country_Code");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- -- To create a country and initalize it to the USA,");
Put_Line (F, " -- -- then reference it like so:");
Put_Line (F, " -- My_Country : Country := (C_US); -- This is the USA.");
Put_Line (F, " -- To access the country's name, do so like so:");
Put_Line (F, " -- My_Country.Name -- ""United States of America (The)""");
Put_Line (F, " -- SOURCE");
Put_Line (F, " type Country is tagged record");
Put_Line (F, " Key : Country_Key := C_ZZ;");
Put_Line (F, " end record;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****m* ISO.Countries.Country/Name");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Retrieve the name of the provided country.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- String: The ISO 3166 name of the current country.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := (C_AU);");
Put_Line (F, " -- The_Name : String := My_Country.Name; -- Will return ""Australia""");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Name (This : Country) return String;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****m* ISO.Countries.Country/Alpha2");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Retrieve the two-letter country code of the provided country.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Alpha2_Code: ISO 3166 Alpha2 of the current country.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := (C_AU);");
Put_Line (F, " -- Code : Alhpa2_Code := My_Country.Alpha2; -- Will return ""AU""");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Alpha2 (This : Country) return Alpha2_Code;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****m* ISO.Countries.Country/Alpha3");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Retrieve the three-letter country code of the provided country.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Alpha3_Code: ISO 3166 Alpha3 of the current country.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := (C_AU);");
Put_Line (F, " -- Code : Alpha3_Code := My_Country.Alpha3; -- Will return ""AUS""");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Alpha3 (This : Country) return Alpha3_Code;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****m* ISO.Countries.Country/Numeric");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Retrieve the numerical country code of the provided country.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Numeric_Code: ISO 3166 number of the current country.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := (C_AU);");
Put_Line (F, " -- Number : Numeric_Code := My_Country.Numeric; -- Will return 40");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Numeric (This : Country) return Numeric_Code;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****m* ISO.Countries.Country/Country_Code");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Retrieve the Ada.Locale.Country_Code of the provided country.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- Ada.Locale.Country_Code: Ada's Country_Code of the current country.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := (C_AU);");
Put_Line (F, " -- Number : Ada.Locale.Country_Code := My_Country.Country_Code; -- ""AU""");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Country_Code");
Put_Line (F, " (This : Country) return Ada.Locales.Country_Code;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- Return all countries");
Put_Line (F, " -- function All_Countries return All_Countries;");
Put_Line (F, "");
Put_Line (F, " -- ****f* Countries/ISO.Countries.From_Alpha2");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Create a country from a provided Alpha2 string.");
Put_Line (F, " -- PARAMETERS");
Put_Line (F, " -- Code - An alpha2 code, such as ""AU"" or ""US"".");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Country: Country corresponding to that alpha2 code.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := From_Alpha2(""AU"");");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function From_Alpha2 (Code : Alpha2_Code) return Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****f* Countries/ISO.Countries.From_Alpha3");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Create a country from a provided Alpha3 string.");
Put_Line (F, " -- PARAMETERS");
Put_Line (F, " -- Code - An alpha3 code, such as ""AUS"" or ""USA"".");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Country: Country corresponding to that alpha3 code.");
Put_Line (F, " -- EXAMPLE");
Put_Line (F, " -- My_Country : Country := From_Alpha3(""AUS"");");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function From_Alpha3 (Code : Alpha3_Code) return Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****f* Countries/ISO.Countries.From_Numeric");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Create a country from a provided numerical code string.");
Put_Line (F, " -- EXAMPLES");
Put_Line (F, " -- My_Country_1 : Country := From_Numeric(40);");
Put_Line (F, " -- My_Country_2 : Country := From_Numeric(040);");
Put_Line (F, " -- My_Country_3 : Country := From_Numeric(""040"");");
Put_Line (F, " -- PARAMETERS");
Put_Line (F, " -- Number - A Numeric Code, either as a string or integer.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Country: Country corresponding to that numerical code.");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function From_Numeric (Number : Numeric_Code) return Country;");
Put_Line (F, " function From_Numeric (Number : String) return Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****f* Countries/ISO.Countries.From_Country_Code");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Create a country from a provided numerical code string.");
Put_Line (F, " -- PARAMETERS");
Put_Line (F, " -- Code - A country code as defined in Ada.Locales.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.Country: Country corresponding to that numerical code.");
Put_Line (F, " -- USAGE");
Put_Line (F, " -- My_Country : Country := From_Country_Code(Ada.Locales.Country);");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function From_Country_Code (Code : Ada.Locales.Country_Code) return Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.Country_List");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- An arbitrary-sized array of countries.");
Put_Line (F, " -- USAGE");
Put_Line (F, " -- declare");
Put_Line (F, " -- My_Countries : Country_List (1 .. 2);");
Put_Line (F, " -- begin");
Put_Line (F, " -- My_Countries (1) := (Key => C_AU);");
Put_Line (F, " -- My_Countries (2) := (Key => C_US);");
Put_Line (F, " -- end;");
Put_Line (F, " -- SOURCE");
Put_Line (F, " type Country_List is array (Positive range <>) of Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****t* Countries/ISO.Countries.All_Countries");
Put_Line (F, " -- DESCRIPTION");
Put_Line (F, " -- All of the countries, utilizing the Country_Key as an index.");
Put_Line (F, " -- To conserve the stack");
Put_Line (F, " -- USAGE");
Put_Line (F, " -- My_Countries : constant All_Countries := Init_Countries;");
Put_Line (F, " -- US_Name : String := My_Countries (C_US).Name;");
Put_Line (F, " -- SOURCE");
Put_Line (F, " type All_Countries is array (Country_Key'Range) of Country;");
Put_Line (F, " -- ****");
Put_Line (F, "");
Put_Line (F, " -- ****f* Countries/ISO.Countries.Init_Countries");
Put_Line (F, " -- FUNCTION");
Put_Line (F, " -- Initialize all of the countries in an array.");
Put_Line (F, " -- RETURN VALUE");
Put_Line (F, " -- ISO.Countries.All_Countries: Array containing all countries.");
Put_Line (F, " -- USAGE");
Put_Line (F, " -- My_Countries : constant All_Countries := Init_Countries;");
Put_Line (F, " -- SOURCE");
Put_Line (F, " function Init_Countries return All_Countries;");
Put_Line (F, " -- ****");
Put_Line (F, "private");
Put_Line (F, " function Alpha3_To_Key (Alpha_3 : Alpha3_Code) return Country_Key;");
Put_Line (F, " function Numeric_To_Key (Numeric : Numeric_Code) return Country_Key;");
Put_Line (F, "end ISO.Countries;");
Close (F);
-- Now generate iso-countries.adb
-- Delete iso-countries.adb if it exists, we're regenerating.
if Exists ("output/iso-countries.adb") then
Open (F, Out_File, "output/iso-countries.adb");
Delete (F);
end if;
-- Create iso-countries.adb
Create (F, Out_File, "output/iso-countries.adb");
Put_Line (F, "package body ISO.Countries is");
Put_Line (F, "");
Put_Line (F, " -- *** Begin Methods/Member Functions ***");
Put_Line (F, " function Name (This : Country) return String is");
Put_Line (F, " begin");
Put_Line (F, " case This.Key is");
for I of Table loop
Put_Line (F, " when C_" & TWS (I.Alpha_2) & " => return """ & TWS (I.Name) &""";");
end loop;
Put_Line (F, " when C_ZZ => return ""Undefined"";");
Put_Line (F, " end case;");
Put_Line (F, " end Name;");
Put_Line (F, " function Alpha2 (This : Country) return Alpha2_Code is");
Put_Line (F, " begin");
Put_Line (F, " case This.Key is");
for I of Table loop
Put_Line (F, " when C_" & TWS (I.Alpha_2) & " => return """ & TWS (I.Alpha_2) &""";");
end loop;
Put_Line (F, " when C_ZZ => return ""ZZ"";");
Put_Line (F, " end case;");
Put_Line (F, " end Alpha2;");
Put_Line (F, " function Alpha3 (This : Country) return Alpha3_Code is");
Put_Line (F, " begin");
Put_Line (F, " case This.Key is");
for I of Table loop
Put_Line (F, " when C_" & TWS (I.Alpha_2) & " => return """ & TWS (I.Alpha_3) &""";");
end loop;
Put_Line (F, " when C_ZZ => return ""ZZZ"";");
Put_Line (F, " end case;");
Put_Line (F, " end Alpha3;");
Put_Line (F, " function Numeric (This : Country) return Numeric_Code is");
Put_Line (F, " begin");
Put_Line (F, " case This.Key is");
for I of Table loop
Put_Line (F, " when C_" & TWS (I.Alpha_2) & " => return " & TWS (I.Numeric) &";");
end loop;
Put_Line (F, " when C_ZZ => return 0;");
Put_Line (F, " end case;");
Put_Line (F, " end Numeric;");
Put_Line (F, " function Country_Code");
Put_Line (F, " (This : Country) return Ada.Locales.Country_Code is");
Put_Line (F, " begin");
Put_Line (F, " return Ada.Locales.Country_Code (Alpha2 (This));");
Put_Line (F, " end Country_Code;");
Put_Line (F, " -- *** End Methods/Member Functions ***");
Put_Line (F, "");
Put_Line (F, " -- *** Creation Functions ***");
Put_Line (F, " function From_Alpha2 (Code : Alpha2_Code) return Country is");
Put_Line (F, " Result : constant Country := (Key => Country_Key'Value");
Put_Line (F, " (""C_"" & Code));");
Put_Line (F, " begin");
Put_Line (F, " return Result;");
Put_Line (F, " end From_Alpha2;");
Put_Line (F, " function From_Alpha3 (Code : Alpha3_Code) return Country is");
Put_Line (F, " begin");
Put_Line (F, " return Result : Country do");
Put_Line (F, " Result.Key := Alpha3_To_Key (Code);");
Put_Line (F, " end return;");
Put_Line (F, " end From_Alpha3;");
Put_Line (F, " function From_Numeric (Number : Numeric_Code) return Country is");
Put_Line (F, " begin");
Put_Line (F, " return Result : Country do");
Put_Line (F, " Result.Key := Numeric_To_Key (Number);");
Put_Line (F, " end return;");
Put_Line (F, " end From_Numeric;");
Put_Line (F, " function From_Numeric (Number : String) return Country is");
Put_Line (F, " Real_Number : constant Numeric_Code := Numeric_Code'Value (Number);");
Put_Line (F, " begin");
Put_Line (F, " return Result : Country do");
Put_Line (F, " Result.Key := Numeric_To_Key (Real_Number);");
Put_Line (F, " end return;");
Put_Line (F, " end From_Numeric;");
Put_Line (F, " function From_Country_Code (Code : Ada.Locales.Country_Code) return Country");
Put_Line (F, " is");
Put_Line (F, " begin");
Put_Line (F, " return From_Alpha2 (Alpha2_Code (Code));");
Put_Line (F, " end From_Country_Code;");
Put_Line (F, " function Init_Countries return All_Countries is");
Put_Line (F, " begin");
Put_Line (F, " return Result : All_Countries do");
Put_Line (F, " for X in Country_Key'Range loop");
Put_Line (F, " Result (X) := (Key => X);");
Put_Line (F, " end loop;");
Put_Line (F, " end return;");
Put_Line (F, " end Init_Countries;");
Put_Line (F, " -- *** End Creation Functions ***");
Put_Line (F, "");
Put_Line (F, " -- *** Begin Lookup table functions ***");
Put_Line (F, " -- Lookup table to convert numeric to country key.");
Put_Line (F, " function Numeric_To_Key (Numeric : Numeric_Code) return Country_Key is");
Put_Line (F, " begin");
Put_Line (F, " case Numeric is");
for I of Table loop
Put_Line (F, " when " & TWS (I.Numeric) & " => return C_" & TWS (I.Alpha_2) & ";");
end loop;
Put_Line (F, " when 0 => return C_ZZ;");
Put_Line (F, " when others => return C_ZZ;");
Put_Line (F, " end case;");
Put_Line (F, " end Numeric_To_Key;");
Put_Line (F, " -- Lookup table to convert alpha_3 string to country key.");
Put_Line (F, " function Alpha3_To_Key (Alpha_3 : Alpha3_Code) return Country_Key is");
Put_Line (F, " -- Match the alpha 3 with a lookup table similar to Country_Key");
Put (F, " type Alpha3_Key is (");
for I of Table loop
Put (F, "C_" & TWS (I.Alpha_3) & ", ");
end loop;
Put_Line (F, "C_ZZZ);");
Put_Line (F, " Key : constant Alpha3_Key := Alpha3_Key'Value (""C_"" & Alpha_3);");
Put_Line (F, " begin");
Put_Line (F, " case Key is");
for I of Table loop
Put_Line (F, " when C_" & TWS (I.Alpha_3) & " => return C_" & TWS (I.Alpha_2) & ";");
end loop;
Put_Line (F, " when C_ZZZ => return C_ZZ;");
Put_Line (F, " end case;");
Put_Line (F, " end Alpha3_To_Key;");
Put_Line (F, " -- *** End Lookup table functions ***");
Put_Line (F, "");
Put_Line (F, "end ISO.Countries;");
Close (F);
Put_Line ("Files output/iso-countries.ads and output/iso-countries.adb have been regenerated.");
end Generate_Countries;
end Countries;
|