From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.6 Path: eternal-september.org!reader02.eternal-september.org!aioe.org!Hx95GBhnJb0Xc8StPhH8AA.user.46.165.242.91.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: How to read in a (long) UTF-8 file, incrementally? Date: Thu, 4 Nov 2021 13:13:12 +0100 Organization: Aioe.org NNTP Server Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: gioia.aioe.org; logging-data="55323"; posting-host="Hx95GBhnJb0Xc8StPhH8AA.user.gioia.aioe.org"; mail-complaints-to="abuse@aioe.org"; User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 X-Notice: Filtered by postfilter v. 0.9.2 Content-Language: en-US Xref: reader02.eternal-september.org comp.lang.ada:63095 List-Id: On 2021-11-04 12:43, Marius Amado-Alves wrote: > Great libraries, thanks. > > It still seems to me that Wide_Wide_Character is useful. It allows to represent the character directly in the sourcecode e.g. > > if C = '±' then ... If the source supports Unicode, it should do UTF-8 as well. So, you would write if C = "±" then ... where C is String. > And Wide_Wide_Character'Pos should give the codepoint. Yes, but you need no Wide_Wide to get an integer value and if your objective is Unicode categorization, that is too complicated for manual comparisons. Use a library function [generated from UnicodeData.txt] instead. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de