Table of Contents
utf8f provides a set of functions useful for handling utf-8 strings in fortran.
- gcc >= 9.4.0
- gfortran >= 9.4.0
- cmake >= 3.9
- Clone the repo
git clone https://github.com/yymmt742/utf8f
- Build fortran library
mkdir build && cd build cmake .. make install
program main
use mod_utf8f
implicit none
print*, utf8f_len("abcde") ! = 5
print*, utf8f_len("あいうえお") ! = 5
print*, utf8f_codepoint("あ") ! = 12354 (0x3042)
print*, utf8f_width("漢") ! = 2
end program mainThe following functions are available.
| Function | Retrun value | Arguments | Description |
|---|---|---|---|
| utf8f_len(s) | integer | s (character(*)) | Returns the number of characters in a string. (Unlike the built-in LEN, this is not byte-length.) |
| utf8f_codepoint(s) | integer | s (character(*)) | Returns the Unicode code point of the first character in string s. |
| utf8f_width(s, is_CJK) | integer | s (character(*)), is_CJK (logical, optional) | Returns the character width displayed in the console. (Based on East Asian Width in Unicode Standard Annex.) |
| utf8f_category(s) | character(2) | s (character(*)) | Returns the Unicode General category. |
| utf8f_easta_property(s) | character(2) | s (character(*)) | Returns the Unicode East Asian Width property. |
The data contained in this database is compiled from the UCD version 15.1.0.
For details, see the Unicode Character Database.
Distributed under the MIT License. See LICENSE for more information.
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