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cal: Display month names

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For now let's use them from AK/DateConstants.h, in accordance with the
FIXME those propably should be provided by the locale.
This commit is contained in:
Karol Baraniecki 2023-04-05 17:20:13 +02:00 committed by Andrew Kaster
parent 79f5fb798a
commit 1d47d5bb8b
Notes: sideshowbarker 2024-07-16 22:54:10 +09:00 
Author: https://github.com/karolba
Commit: https://github.com/SerenityOS/serenity/commit/1d47d5bb8b
Pull-request: https://github.com/SerenityOS/serenity/pull/17707
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/kleinesfilmroellchen
Reviewed-by: https://github.com/linusg
2 changed files with 60 additions and 44 deletions
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91
Base/usr/share/man/man1/cal.md
View file

@ -22,17 +22,17 @@ Days, months and years are specified with numbers. Week starts at Sunday.
```sh ```sh
# Display the current month # Display the current month
$ cal $ cal
12 - 1992 March - 2023
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 1 2 3 4
4 5 6 7 8 9 10 5 6 7 8 9 10 11
11 12 13 14 15 16 17* 12 13 14 15 16 17 18
18 19 20 21 22 23 24 19 20 21 22 23 24 25
25 26 27 28 29 30 31 26 27 28 29 30 31
# Display any month # Display any month
$ cal 03 2019 $ cal 1 1999
03 - 2019 January - 1999
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 1 2
3 4 5 6 7 8 9 3 4 5 6 7 8 9
@ -41,40 +41,45 @@ Su Mo Tu We Th Fr Sa
24 25 26 27 28 29 30 24 25 26 27 28 29 30
31 31
# Display an entire year $ cal 2023
$ cal 2000 Year 2023
Year 2000
January - 2023 February - 2023 March - 2023
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7 1 2 3 4 1 2 3 4
8 9 10 11 12 13 14 5 6 7 8 9 10 11 5 6 7 8 9 10 11
15 16 17 18 19 20 21 12 13 14 15 16 17 18 12 13 14 15 16 17 18
22 23 24 25 26 27 28 19 20 21 22 23 24 25 19 20 21 22 23 24 25
29 30 31 26 27 28 26 27 28 29 30 31
April - 2023 May - 2023 June - 2023
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 6 1 2 3
2 3 4 5 6 7 8 7 8 9 10 11 12 13 4 5 6 7 8 9 10
9 10 11 12 13 14 15 14 15 16 17 18 19 20 11 12 13 14 15 16 17
16 17 18 19 20 21 22 21 22 23 24 25 26 27 18 19 20 21 22 23 24
23 24 25 26 27 28 29 28 29 30 31 25 26 27 28 29 30
30
July - 2023 August - 2023 September - 2023
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 1 2
2 3 4 5 6 7 8 6 7 8 9 10 11 12 3 4 5 6 7 8 9
9 10 11 12 13 14 15 13 14 15 16 17 18 19 10 11 12 13 14 15 16
16 17 18 19 20 21 22 20 21 22 23 24 25 26 17 18 19 20 21 22 23
23 24 25 26 27 28 29 27 28 29 30 31 24 25 26 27 28 29 30
30 31
October - 2023 November - 2023 December - 2023
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7 1 2 3 4 1 2
8 9 10 11 12 13 14 5 6 7 8 9 10 11 3 4 5 6 7 8 9
15 16 17 18 19 20 21 12 13 14 15 16 17 18 10 11 12 13 14 15 16
22 23 24 25 26 27 28 19 20 21 22 23 24 25 17 18 19 20 21 22 23
29 30 31 26 27 28 29 30 24 25 26 27 28 29 30
01 - 2000 02 - 2000 03 - 2000
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 1 2 3 4
2 3 4 5 6 7 8 6 7 8 9 10 11 12 5 6 7 8 9 10 11
9 10 11 12 13 14 15 13 14 15 16 17 18 19 12 13 14 15 16 17 18
16 17 18 19 20 21 22 20 21 22 23 24 25 26 19 20 21 22 23 24 25
23 24 25 26 27 28 29 27 28 29 26 27 28 29 30 31
30 31
04 - 2000 05 - 2000 06 - 2000
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 6 1 2 3
2 3 4 5 6 7 8 7 8 9 10 11 12 13 4 5 6 7 8 9 10
9 10 11 12 13 14 15 14 15 16 17 18 19 20 11 12 13 14 15 16 17
16 17 18 19 20 21 22 21 22 23 24 25 26 27 18 19 20 21 22 23 24
23 24 25 26 27 28 29 28 29 30 31 25 26 27 28 29 30
30
07 - 2000 08 - 2000 09 - 2000
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 1 2
2 3 4 5 6 7 8 6 7 8 9 10 11 12 3 4 5 6 7 8 9
9 10 11 12 13 14 15 13 14 15 16 17 18 19 10 11 12 13 14 15 16
16 17 18 19 20 21 22 20 21 22 23 24 25 26 17 18 19 20 21 22 23
23 24 25 26 27 28 29 27 28 29 30 31 24 25 26 27 28 29 30
30 31
10 - 2000 11 - 2000 12 - 2000
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7 1 2 3 4 1 2
8 9 10 11 12 13 14 5 6 7 8 9 10 11 3 4 5 6 7 8 9
15 16 17 18 19 20 21 12 13 14 15 16 17 18 10 11 12 13 14 15 16
22 23 24 25 26 27 28 19 20 21 22 23 24 25 17 18 19 20 21 22 23
29 30 31 26 27 28 29 30 24 25 26 27 28 29 30
31
``` ```

13
Userland/Utilities/cal.cpp
View file

@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <AK/DateConstants.h>
#include <AK/String.h> #include <AK/String.h>
#include <AK/StringBuilder.h> #include <AK/StringBuilder.h>
#include <AK/StringView.h> #include <AK/StringView.h>
@ -26,12 +27,22 @@ int current_year;
int current_month; int current_month;
int current_day; int current_day;
static ErrorOr<StringView> month_name(int month)
{
int month_index = month - 1;
if (month_index < 0 || month_index >= static_cast<int>(AK::long_month_names.size()))
return Error::from_string_view("Month out of range"sv);
return AK::long_month_names.at(month_index);
}
static ErrorOr<Vector<String>> month_lines_to_print(int month, int year) static ErrorOr<Vector<String>> month_lines_to_print(int month, int year)
{ {
Vector<String> lines; Vector<String> lines;
// FIXME: Both the month name and month header text should be provided by a locale // FIXME: Both the month name and month header text should be provided by a locale
TRY(lines.try_append(TRY(String::formatted("{: ^{}s}", TRY(String::formatted("{:02} - {:02}", month, year)), month_width)))); TRY(lines.try_append(TRY(String::formatted("{: ^{}s}", TRY(String::formatted("{} - {}", TRY(month_name(month)), year)), month_width))));
TRY(lines.try_append(TRY(String::from_utf8("Su Mo Tu We Th Fr Sa"sv)))); TRY(lines.try_append(TRY(String::from_utf8("Su Mo Tu We Th Fr Sa"sv))));
int day_to_print = 1; int day_to_print = 1;