1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski 
24*b1cdbd2cSJim Jagielski #include <stdio.h>
25*b1cdbd2cSJim Jagielski 
26*b1cdbd2cSJim Jagielski #include <sal/main.h>
27*b1cdbd2cSJim Jagielski 
28*b1cdbd2cSJim Jagielski #include <rtl/ustrbuf.hxx>
29*b1cdbd2cSJim Jagielski #include <rtl/string.hxx>
30*b1cdbd2cSJim Jagielski 
31*b1cdbd2cSJim Jagielski using rtl::OUString;
32*b1cdbd2cSJim Jagielski using rtl::OUStringBuffer;
33*b1cdbd2cSJim Jagielski using rtl::OString;
34*b1cdbd2cSJim Jagielski 
SAL_IMPLEMENT_MAIN()35*b1cdbd2cSJim Jagielski SAL_IMPLEMENT_MAIN()
36*b1cdbd2cSJim Jagielski {
37*b1cdbd2cSJim Jagielski     // string concatination
38*b1cdbd2cSJim Jagielski 
39*b1cdbd2cSJim Jagielski     sal_Int32 n = 42;
40*b1cdbd2cSJim Jagielski     double pi = 3.14159;
41*b1cdbd2cSJim Jagielski 
42*b1cdbd2cSJim Jagielski     // give it an initial size, should be a good guess.
43*b1cdbd2cSJim Jagielski     // stringbuffer extends if necessary
44*b1cdbd2cSJim Jagielski     OUStringBuffer buf( 128 );
45*b1cdbd2cSJim Jagielski 
46*b1cdbd2cSJim Jagielski     // append an ascii string
47*b1cdbd2cSJim Jagielski     buf.appendAscii( "pi ( here " );
48*b1cdbd2cSJim Jagielski 
49*b1cdbd2cSJim Jagielski     // numbers can be simply appended
50*b1cdbd2cSJim Jagielski     buf.append( pi );
51*b1cdbd2cSJim Jagielski 
52*b1cdbd2cSJim Jagielski     // lets the compiler count the stringlength, so this is more efficient than
53*b1cdbd2cSJim Jagielski     // the above appendAscii call, where length of the string must be calculated at
54*b1cdbd2cSJim Jagielski     // runtime
55*b1cdbd2cSJim Jagielski     buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" ) multiplied with " ) );
56*b1cdbd2cSJim Jagielski     buf.append( n );
57*b1cdbd2cSJim Jagielski     buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" gives ") );
58*b1cdbd2cSJim Jagielski     buf.append( (double)( n * pi ) );
59*b1cdbd2cSJim Jagielski     buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "." ) );
60*b1cdbd2cSJim Jagielski 
61*b1cdbd2cSJim Jagielski     // now transfer the buffer into the string.
62*b1cdbd2cSJim Jagielski     // afterwards buffer is empty and may be reused again !
63*b1cdbd2cSJim Jagielski     OUString string = buf.makeStringAndClear();
64*b1cdbd2cSJim Jagielski 
65*b1cdbd2cSJim Jagielski     // I could of course also used the OStringBuffer directly
66*b1cdbd2cSJim Jagielski     OString oString = rtl::OUStringToOString( string , RTL_TEXTENCODING_ASCII_US );
67*b1cdbd2cSJim Jagielski 
68*b1cdbd2cSJim Jagielski     // just to print something
69*b1cdbd2cSJim Jagielski     printf( "%s\n" ,oString.getStr() );
70*b1cdbd2cSJim Jagielski 
71*b1cdbd2cSJim Jagielski     return 0;
72*b1cdbd2cSJim Jagielski }
73*b1cdbd2cSJim Jagielski 
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