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Diffstat (limited to '')
-rw-r--r-- | odk/examples/DevelopersGuide/ProfUNO/CppBinding/string_samples.cxx | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/ProfUNO/CppBinding/string_samples.cxx b/odk/examples/DevelopersGuide/ProfUNO/CppBinding/string_samples.cxx new file mode 100644 index 000000000..f8bb34f97 --- /dev/null +++ b/odk/examples/DevelopersGuide/ProfUNO/CppBinding/string_samples.cxx @@ -0,0 +1,85 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * the BSD license. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************/ + +#include <stdio.h> +#include <cmath> +#include <sal/main.h> + +#include <rtl/ustrbuf.hxx> +#include <rtl/string.hxx> + +using rtl::OUString; +using rtl::OUStringBuffer; +using rtl::OString; + +SAL_IMPLEMENT_MAIN() +{ + // string concatenation + + sal_Int32 n = 42; + + // give it an initial size, should be a good guess. + // stringbuffer extends if necessary + OUStringBuffer buf(128); + + // append an ascii string + buf.append("pi ( here "); + + // numbers can be simply appended + buf.append(M_PI); + + // lets the compiler count the stringlength, so this is more efficient than + // the above appendAscii call, where length of the string must be calculated at + // runtime + buf.append(" ) multiplied with "); + buf.append(n); + buf.append(" gives "); + buf.append((double)(n * M_PI)); + buf.append("."); + + // now transfer the buffer into the string. + // afterwards buffer is empty and may be reused again ! + OUString string = buf.makeStringAndClear(); + + // I could of course also used the OStringBuffer directly + OString oString = rtl::OUStringToOString(string, RTL_TEXTENCODING_ASCII_US); + + // just to print something + printf("%s\n", oString.getStr()); + + return 0; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |