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wboundary.cpp

Example of using segment_index over wide strings

//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
//
// BIG FAT WARNING FOR Microsoft Visual Studio Users
//
// YOU NEED TO CONVERT THIS SOURCE FILE ENCODING TO UTF-8 WITH BOM ENCODING.
//
// Unfortunately MSVC understands that the source code is encoded as
// UTF-8 only if you add useless BOM in the beginning.
//
// So, before you compile "wide" examples with MSVC, please convert them to text
// files with BOM. There are two very simple ways to do it:
//
// 1. Open file with Notepad and save it from there. It would convert
// it to file with BOM.
// 2. In Visual Studio go File->Advances Save Options... and select
// Unicode (UTF-8 with signature) Codepage 65001
//
// Note: once converted to UTF-8 with BOM, this source code would not
// compile with other compilers, because no-one uses BOM with UTF-8 today
// because it is absolutely meaningless in context of UTF-8.
//
// ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
//
#include <boost/locale.hpp>
#include <iostream>
#include <cassert>
#include <ctime>
int main()
{
using namespace boost::locale;
using namespace std;
// Create system default locale
generator gen;
locale loc=gen("");
locale::global(loc);
wcout.imbue(loc);
// This is needed to prevent C library to
// convert strings to narrow
// instead of C++ on some platforms
std::ios_base::sync_with_stdio(false);
wstring text=L"Hello World! あにま! Linux2.6 and Windows7 is word and number. שָלוֹם עוֹלָם!";
wcout<<text<<endl;
boundary::wssegment_index index(boundary::word,text.begin(),text.end());
boundary::wssegment_index::iterator p,e;
for(p=index.begin(),e=index.end();p!=e;++p) {
wcout<<L"Part ["<<*p<<L"] has ";
if(p->rule() & boundary::word_number)
wcout<<L"number(s) ";
if(p->rule() & boundary::word_letter)
wcout<<L"letter(s) ";
if(p->rule() & boundary::word_kana)
wcout<<L"kana character(s) ";
if(p->rule() & boundary::word_ideo)
wcout<<L"ideographic character(s) ";
if(p->rule() & boundary::word_none)
wcout<<L"no word characters";
wcout<<endl;
}
index.map(boundary::character,text.begin(),text.end());
for(p=index.begin(),e=index.end();p!=e;++p) {
wcout<<L"|" <<*p ;
}
wcout<<L"|\n\n";
index.map(boundary::line,text.begin(),text.end());
for(p=index.begin(),e=index.end();p!=e;++p) {
wcout<<L"|" <<*p ;
}
wcout<<L"|\n\n";
index.map(boundary::sentence,text.begin(),text.end());
for(p=index.begin(),e=index.end();p!=e;++p) {
wcout<<L"|" <<*p ;
}
wcout<<"|\n\n";
}
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
// boostinspect:noascii
- © Copyright 2009-2012 Artyom Beilis, Distributed under the Boost Software License, Version 1.0.