| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- ADA.STRINGS.TEXT_BUFFERS.FORMATTING -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2020-2022, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Ada.Strings.Text_Buffers.Utils; |
| |
| package Ada.Strings.Text_Buffers.Formatting is |
| |
| -- Template-based output, based loosely on C's printf family. Unlike |
| -- printf, it is type safe. We don't support myriad formatting options; the |
| -- caller is expected to call 'Image, or other functions that might have |
| -- various formatting capabilities. |
| |
| type Template is new Utils.UTF_8; |
| |
| procedure Put |
| (S : in out Root_Buffer_Type'Class; T : Template; |
| X1, X2, X3, X4, X5, X6, X7, X8, X9 : Utils.UTF_8_Lines := ""); |
| -- Prints the template as is, except for the following escape sequences: |
| -- "\n" is end of line. |
| -- "\i" indents by the default amount, and "\o" outdents. |
| -- "\I" indents by one space, and "\O" outdents. |
| -- "\1" is replaced with X1, and similarly for 2, 3, .... |
| -- "\\" is "\". |
| |
| -- Note that the template is not type String, to avoid this sort of thing: |
| -- |
| -- https://xkcd.com/327/ |
| |
| procedure Put |
| (T : Template; |
| X1, X2, X3, X4, X5, X6, X7, X8, X9 : Utils.UTF_8_Lines := ""); |
| -- Sends to standard output |
| |
| procedure Err |
| (T : Template; |
| X1, X2, X3, X4, X5, X6, X7, X8, X9 : Utils.UTF_8_Lines := ""); |
| -- Sends to standard error |
| |
| function Format |
| (T : Template; |
| X1, X2, X3, X4, X5, X6, X7, X8, X9 : Utils.UTF_8_Lines := "") |
| return Utils.UTF_8_Lines; |
| -- Returns a UTF-8-encoded String |
| |
| end Ada.Strings.Text_Buffers.Formatting; |
