141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 2002-2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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*/
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#include <iostream.h>
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#include <unicode/brkiter.h>
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#include <stdlib.h>
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U_CFUNC int c_main(void);
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void printUnicodeString(const UnicodeString &s) {
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char charBuf[1000];
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s.extract(0, s.length(), charBuf, sizeof(charBuf)-1, 0);
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charBuf[sizeof(charBuf)-1] = 0;
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cout << charBuf;
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}
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void printTextRange( BreakIterator& iterator,
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int32_t start, int32_t end )
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{
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CharacterIterator *strIter = iterator.getText().clone();
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UnicodeString s;
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strIter->getText(s);
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cout << " " << start << " " << end << " |" ;
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printUnicodeString(s);
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cout << "|" << '\n';
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delete strIter;
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}
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/* Print each element in order: */
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void printEachForward( BreakIterator& boundary)
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{
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int32_t start = boundary.first();
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for (int32_t end = boundary.next();
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end != BreakIterator::DONE;
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start = end, end = boundary.next())
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{
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printTextRange( boundary, start, end );
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}
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}
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/* Print each element in reverse order: */
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void printEachBackward( BreakIterator& boundary)
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{
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int32_t end = boundary.last();
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for (int32_t start = boundary.previous();
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start != BreakIterator::DONE;
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end = start, start = boundary.previous())
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{
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printTextRange( boundary, start, end );
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}
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}
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/* Print the first element */
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void printFirst(BreakIterator& boundary)
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{
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int32_t start = boundary.first();
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int32_t end = boundary.next();
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printTextRange( boundary, start, end );
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}
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/* Print the last element */
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void printLast(BreakIterator& boundary)
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{
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int32_t end = boundary.last();
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int32_t start = boundary.previous();
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printTextRange( boundary, start, end );
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}
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/* Print the element at a specified position */
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void printAt(BreakIterator &boundary, int32_t pos )
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{
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int32_t end = boundary.following(pos);
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int32_t start = boundary.previous();
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printTextRange( boundary, start, end );
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}
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/* Creating and using text boundaries */
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int main( void )
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{
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cout << "ICU Break Iterator Sample Program\n\n";
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cout << "C++ Break Iteration\n\n";
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BreakIterator* boundary;
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UnicodeString stringToExamine("Aaa bbb ccc. Ddd eee fff.");
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cout << "Examining: ";
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printUnicodeString(stringToExamine);
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cout << endl;
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//print each sentence in forward and reverse order
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UErrorCode status = U_ZERO_ERROR;
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boundary = BreakIterator::createSentenceInstance(
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Locale::getUS(), status );
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if (U_FAILURE(status)) {
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cout <<
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"failed to create sentence break iterator. status = "
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<< u_errorName(status);
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exit(1);
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}
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boundary->setText(stringToExamine);
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cout << "\n Sentence Boundaries... \n";
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cout << "----- forward: -----------" << '\n';
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printEachForward(*boundary);
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cout << "----- backward: ----------" << '\n';
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printEachBackward(*boundary);
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delete boundary;
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//print each word in order
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cout << "\n Word Boundaries... \n";
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boundary = BreakIterator::createWordInstance(
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Locale::getUS(), status);
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boundary->setText(stringToExamine);
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cout << "----- forward: -----------" << '\n';
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printEachForward(*boundary);
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//print first element
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cout << "----- first: -------------" << '\n';
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printFirst(*boundary);
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//print last element
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cout << "----- last: --------------" << '\n';
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printLast(*boundary);
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//print word at charpos 10
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cout << "----- at pos 10: ---------" << '\n';
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printAt(*boundary, 10 );
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delete boundary;
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cout.flush();
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// Call the C version
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return c_main();
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}
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