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/* ******************************************************************************* * * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html * ***************************************************************************** ***************************************************************************** * * Copyright (C) 2002-2011, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* / #include "unicode/uchriter.h" #include "unicode/schriter.h" #include "unicode/ustring.h" #include <stdio.h> #include <unicode/brkiter.h> #include <unicode/ustdio.h> #include <stdlib.h> static UFILE out; using icu::CharacterIterator; using icu::StringCharacterIterator; using icu::UCharCharacterIterator; using icu::UnicodeString; void printUnicodeString(const UnicodeString &s) { u_fprintf(out, "%S", &s); } void printUChar(UChar32 ch) { if(ch < 127) { u_fprintf(out, "%C", (UChar) ch); } else if (ch == CharacterIterator::DONE) { u_fprintf(out, "[CharacterIterator::DONE = 0xFFFF]"); } else { u_fprintf(out, "[%X]", ch); } } class Test { public: void TestUChariter(); void TestStringiter(); }; void Test::TestUChariter() { const char testChars[] = "Now is the time for all good men to come " "to the aid of their country."; UnicodeString testString(testChars,""); const UChar testText = testString.getTerminatedBuffer(); UCharCharacterIterator iter(testText, u_strlen(testText)); UCharCharacterIterator test2 = iter.clone(); u_fprintf(out, "testText = %s", testChars); if (iter != test2 ) { u_fprintf(out, "clone() or equals() failed: Two clones tested unequal\n"); } UnicodeString result1, result2; // getting and comparing the text within the iterators iter.getText(result1); test2->getText(result2); if (result1 != result2) { u_fprintf(out, "iter.getText() != clone.getText()\n"); } u_fprintf(out, "\n"); // Demonstrates seeking forward using the iterator. u_fprintf(out, "Forward = "); UChar c = iter.first(); printUChar(c); // The first char int32_t i = 0; if (iter.startIndex() != 0 \|\| iter.endIndex() != u_strlen(testText)) { u_fprintf(out, "startIndex() or endIndex() failed\n"); } // Testing forward iteration... do { if (c == CharacterIterator::DONE && i != u_strlen(testText)) { u_fprintf(out, "Iterator reached end prematurely"); } else if (c != testText[i]) { u_fprintf(out, "Character mismatch at position %d\n", i); } if (iter.current() != c) { u_fprintf(out, "current() isn't working right"); } if (iter.getIndex() != i) { u_fprintf(out, "getIndex() isn't working right\n"); } if (c != CharacterIterator::DONE) { c = iter.next(); i++; } u_fprintf(out, "\|"); printUChar(c); } while (c != CharacterIterator::DONE); delete test2; u_fprintf(out, "\n"); } void Test::TestStringiter() { const char testChars[] = "Now is the time for all good men to come " "to the aid of their country."; UnicodeString testString(testChars,""); const UChar testText = testString.getTerminatedBuffer(); StringCharacterIterator iter(testText, u_strlen(testText)); StringCharacterIterator* test2 = iter.clone(); if (iter != test2 ) { u_fprintf(out, "clone() or equals() failed: Two clones tested unequal\n"); } UnicodeString result1, result2; // getting and comparing the text within the iterators iter.getText(result1); test2->getText(result2); if (result1 != result2) { u_fprintf(out, "getText() failed\n"); } u_fprintf(out, "Backwards: "); UChar c = iter.last(); int32_t i = iter.endIndex(); printUChar(c); i--; // already printed out the last char if (iter.startIndex() != 0 \|\| iter.endIndex() != u_strlen(testText)) { u_fprintf(out, "startIndex() or endIndex() failed\n"); } // Testing backward iteration over a range... do { if (c == CharacterIterator::DONE) { u_fprintf(out, "Iterator reached end prematurely\n"); } else if (c != testText[i]) { u_fprintf(out, "Character mismatch at position %d\n", i); } if (iter.current() != c) { u_fprintf(out, "current() isn't working right\n"); } if (iter.getIndex() != i) { u_fprintf(out, "getIndex() isn't working right [%d should be %d]\n", iter.getIndex(), i); } if (c != CharacterIterator::DONE) { c = iter.previous(); i--; } u_fprintf(out, "\|"); printUChar(c); } while (c != CharacterIterator::DONE); u_fprintf(out, "\n"); delete test2; } / Creating and using text boundaries */ int main( void ) { UErrorCode status = U_ZERO_ERROR; out = u_finit(stdout, NULL, NULL); u_fprintf(out, "ICU Iteration Sample Program (C++)\n\n"); Test t; u_fprintf(out, "\n"); u_fprintf(out, "Test::TestUCharIter()\n"); t.TestUChariter(); u_fprintf(out, "-----\n"); u_fprintf(out, "Test::TestStringchariter()\n"); t.TestStringiter(); u_fprintf(out, "-----\n"); return 0; }