strepsirrhini/office-gobmx
9
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add a pad and truncate

Browse source
This commit is contained in:
Caolán McNamara 2011-09-17 00:10:45 +01:00
parent ba3ac57713
commit 76092149d0
1 changed files with 81 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

84
comphelper/inc/comphelper/string.hxx
View file

@ -33,15 +33,15 @@
#include <cstddef>
#include "comphelper/comphelperdllapi.h"
#include "sal/types.h"
#include <sal/types.h>
#include <rtl/strbuf.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/i18n/XCollator.hpp>
#include <com/sun/star/i18n/XBreakIterator.hpp>
namespace rtl { class OUString; }
// rtl::OUString helper functions that are not widespread or mature enough to
// go into the stable URE API:
namespace comphelper { namespace string {
@ -251,6 +251,84 @@ COMPHELPER_DLLPUBLIC inline sal_Bool matchL(const rtl::OString& rStr, const char
rStr.pData->length-fromIndex, pMatch, nMatchLen, nMatchLen ) == 0;
}
namespace detail
{
template<typename B> B& truncateToLength(B& rBuffer, sal_Int32 nLen)
{
if (nLen < rBuffer.getLength())
rBuffer.remove(nLen, rBuffer.getLength()-nLen);
return rBuffer;
}
}
/** Truncate a buffer to a given length.
If the StringBuffer has more characters than nLength it will be truncated
on the right to nLength characters.
Has no effect if the StringBuffer is <= nLength
@param rBuf StringBuffer to operate on
@param nLength Length to truncate the buffer to
@return rBuf;
*/
COMPHELPER_DLLPUBLIC inline rtl::OStringBuffer& truncateToLength(
rtl::OStringBuffer& rBuffer, sal_Int32 nLength) SAL_THROW(())
{
return detail::truncateToLength(rBuffer, nLength);
}
COMPHELPER_DLLPUBLIC inline rtl::OUStringBuffer& truncateToLength(
rtl::OUStringBuffer& rBuffer, sal_Int32 nLength) SAL_THROW(())
{
return detail::truncateToLength(rBuffer, nLength);
}
namespace detail
{
template<typename B, typename U> B& padToLength(B& rBuffer, sal_Int32 nLen,
U cFill = '\0')
{
sal_Int32 nOrigLen = rBuffer.getLength();
if (nLen > nOrigLen)
{
rBuffer.setLength(nLen);
for (sal_Int32 i = nOrigLen; i < nLen; ++i)
rBuffer.setCharAt(i, cFill);
}
return rBuffer;
}
}
/** Pad a buffer to a given length using a given char.
If the StringBuffer has less characters than nLength it will be expanded on
the right to nLength characters, with the expansion filled using cFill.
Has no effect if the StringBuffer is >= nLength
@param rBuf StringBuffer to operate on
@param nLength Length to pad the buffer to
@param cFill character to fill expansion with
@return rBuf;
*/
COMPHELPER_DLLPUBLIC inline rtl::OStringBuffer& padToLength(
rtl::OStringBuffer& rBuffer, sal_Int32 nLength,
sal_Char cFill = '\0') SAL_THROW(())
{
return detail::padToLength(rBuffer, nLength, cFill);
}
COMPHELPER_DLLPUBLIC inline rtl::OUStringBuffer& padToLength(
rtl::OUStringBuffer& rBuffer, sal_Int32 nLength,
sal_Unicode cFill = '\0') SAL_THROW(())
{
return detail::padToLength(rBuffer, nLength, cFill);
}
/** Convert a sequence of strings to a single comma separated string.
Note that no escaping of commas or anything fancy is done.