Unicode Encoding Conversions with STL Strings and Win32 APIs

摘要

Unicode is the de facto standard for representing international text in modern software. According to the official Unicode consortiums Web site (bit.ly/lRtdulx), "Unicode provides a unique number for every character, no matter what the platform, no matter what the program, no matter what the language." Each of these unique numbers is called a code point, and is typically represented using the "U+" prefix, followed by the unique number written in hexadecimal form. For example, the code point associated to the character "C" is U+0043. Note that Unicode is an industry standard that covers most of the worlds writing systems, including ideographs. So, for example, the Japanese kanji ideograph 学, which has "learning" and "knowledge" among its meanings, is associated to the code point U+5B66. Currently, the Unicode standard defines more than 1,114,000 code points.