libtextwrap

a word-wrapping (line-folding) library with I18N (internationalization) support including:

• multibyte encodings (UTF-8, EUC-JP, EUC-KR, GB2312, Big5, ...)
• fullwidth characters (CJK Ideograph, Hiragana, Katakana, Hangul, ...)
• combining characters
• languages which do not use whitespaces between "words" (Chinese and Japanese)

Word-wrapping (or line-folding) is one of frequently used text-processing. It is implemented very easily only when it is based on several assumptions such as:

• One character consists from one byte.
• One character occupies one column on the terminal.
• A line can be folded between words which are separated by whitespaces.

Since it is usually difficult to require developers to know various languages in the world and their properties, text-processing algorithms should be supplied as libraries. Otherwise, their softwares cannot support various languages in the world and people in the world suffer from a problem that many softwares are useless for them.

On calling a function with parameters of text and maximum columns, one can get line-folded text. The text is encoded in current LC_CTYPE locale. This means that libtextwrap uses UTF-8 for I/O in UTF-8 locales, ISO-8859-1 in ISO-8859-1 locales, EUC-JP in EUC-JP locales, KOI8-R in KOI8-R locales, and so on.

Though I am a GPL-fan, now I would like to regard equality between languages and countries more important than free software. (For this purpose, softwares based on languages/countries equality viewpoint must be distributed as far as possible.) Thus, I will release libtextwrap under Modified BSD-style license.

• Download: Version 0.1 is available.
• CVS: The latest version is available via CVS, like following:
  cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/libtextwrap co libtextwrap
  You can also browse the CVS contents on web
• Mailing List: libtextwrap-devel (archive)
• Project Summary Page: http://sourceforge.net/projects/libtextwrap

I have just started this project alone. Cooperators are very welcome!