From: Shunsuke Sogame (mb2act_at_[hidden])
Date: 2006-07-20 06:24:59
Alexander A Potocki wrote:
> No comments during about 2 weeks.
> what's wrong?
>> Hi boost community!
>> I would like to propose my iterator based conversion library.
>> It allows declaring and using transformations by following way:
>> std::wstring utf16string(Lâsome sequence to convertâ);
>> typedef cvt::encoder<wchar_t, char> coder_t;
>> coder_t coder = cvt::utf16() >> cvt::utf8();
>> That piece of code declares converter from wchar_t to char sequences and
>> then instantiate such converter by utf16 to utf8 transformation.
>> Then that converter instance can be used by following way:
>> typedef cvt::convert_input_iterator<coder_t, std::wstring::const_iterator
>> > it_t;
>> - declaration of input iterator
>> std::string result;
>> it_t(coder, utf16string.begin(), utf16string.end()),
>> it_t(coder, utf16string.end(), utf16string.end()),
>> Now we have utf8 encoded string in result container. Thatâs all.
>> Library contains implementation for following transformations/algorithms:
>> utf7, utf8, utf16(be/le), utf32(be, le), Unicode simple folding, base64,
>> Library allows creating pipeline converters, e.g.:
>> typedef cvt::encoder<char, char> coder_t; // char to char sequence
>> coder_t coder = cvt::utf7() >> cvt::utf16() >> cvt::utf8() / cvt::int8()
>> >> cvt::rc5<32,12,8>(key) / cvt::int8() >> cvt::base64();
>> That expression defines pipeline transformation. Utf7 encoded sequence
>> transforms to utf16 encoded sequence, then to utf8 encoded, then performs
>> rc5 cipher with specified key, then performs base64 encoding.
>> Library can be found at http://sourceforge.net/projects/trotter-cvt/
That definitely seems great.
Your code looks similar to Boost.Serialization Data Flow.
But, we have now Boost.Range.
Assume 'range_copy(rng,it)' just calls
There is no typedef's.
You can look into <boost/regex/pending/unicode_iterator.hpp>, which
shows such implementations.
-- Shunsuke Sogame
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