2012-12-11 02:53:43 +00:00
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This is ustring, a pure-Lua library to handle UTF-8 strings.
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It implements generally the same interface as the standard string library, with
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the following differences:
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* Most functions work on codepoints rather than bytes or characters. Yes, this
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means that even though "á" and "á" should appear identical and represent the
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same character, the former is one codepoint (U+00E1) while the latter is two
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(U+0061 U+0301).
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* Added functions isutf8, byteoffset, codepoint, gcodepoint, toNFC, toNFD.
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* No workalike for string.reverse is provided.
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Contents:
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* README - This file.
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* ustring.lua - The main file for the library.
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* string.lua - Extend the string metatable with methods from this library.
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* upper.lua - Data table for ustring.upper.
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* lower.lua - Data table for ustring.lower.
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* charsets.lua - Data tables for pattern matching functions.
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* make-tables.php - Regenerate upper.lua and lower.lua using PHP's multibyte
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string library, and charsets.lua using PCRE.
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* normalization-data.lua - Data tables for toNFC and toNFD.
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* make-normalization-table.php - Regenerate normalization-data.lua based on the
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2015-01-07 18:45:53 +00:00
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file includes/libs/normal/UtfNormalData.inc from MediaWiki core.
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2012-12-11 02:53:43 +00:00
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This library (consisting of the files described above) is released under the MIT
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License:
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Copyright (C) 2012 Brad Jorsch <bjorsch@wikimedia.org>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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