如何在Linux C/C ++程序中支持多种语言? [英] How to support multiple language in a Linux C/C++ program?

问题描述

例如，在这个最简单的hello world程序中:

For example, in this simplest hello world program:

#include <iostream>
int main()
{
    std::cout<<"Hello World!"<<std::endl;
    return 0;
}

我想看看法语，如果用户的环境LANG设置为fr_FR，它可能看起来像:

I'd like to see French if user's environment LANG is set to fr_FR, it might looks like:

$ ./a.out
Hello World!

$ LANG=fr_FR.utf8
$ ./a.out
Bonjour tout le monde!

是否有关于如何在Linux中进行归档的指南?

Is there a guideline of how to archieve this in Linux?

推荐答案

关键是使用资源"(一种语言，配置为在运行时读取)与硬编码字符串. Qt和GTK +之类的GUI框架使此操作(相对)变得容易.

The key is to use "resources" (one per-language, configured to be read at runtime) vs. hard-coding strings. GUI frameworks like Qt and GTK+ make this (relatively) easy.

这是GTK +使用的Pango库的链接(但不是GTK +的专有):

Here's a link to the Pango" library used by GTK+ (but not, emphatically, exclusive to GTK+):

• http://www.pango.org/

这是使用Pango的教程:

Here's a tutorial on using Pango:

• http://x11.gp2x.de/personal/google/

这是有关"gettext()"的教程(我相信Pango会使用该教程):

And here's a tutorial on "gettext()" (which, I believe, Pango uses):

• http://inti.sourceforge.net/tutorial/libinti/internationalization.html

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