diff options
Diffstat (limited to 'include/rtl/ustrbuf.hxx')
| -rw-r--r-- | include/rtl/ustrbuf.hxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/rtl/ustrbuf.hxx b/include/rtl/ustrbuf.hxx index bd7f77b503b7..080e2ea96259 100644 --- a/include/rtl/ustrbuf.hxx +++ b/include/rtl/ustrbuf.hxx @@ -133,6 +133,17 @@ public: @param value the initial contents of the buffer. */ +#if defined LIBO_INTERNAL_ONLY + explicit OUStringBuffer(std::u16string_view sv) + : pData(nullptr) + , nCapacity( sv.length() + 16 ) + { + if (sv.size() > sal_uInt32(std::numeric_limits<sal_Int32>::max())) { + throw std::bad_alloc(); + } + rtl_uStringbuffer_newFromStr_WithLength( &pData, sv.data(), sv.length() ); + } +#endif OUStringBuffer(const OUString& value) : pData(NULL) , nCapacity( value.getLength() + 16 ) @@ -257,6 +268,19 @@ public: @since LibreOffice 5.3 */ +#if defined LIBO_INTERNAL_ONLY + OUStringBuffer & operator =(std::u16string_view string) { + sal_Int32 n = string.length(); + if (n >= nCapacity) { + ensureCapacity(n + 16); //TODO: check for overflow + } + std::memcpy( + pData->buffer, string.data(), + (n + 1) * sizeof (sal_Unicode)); + pData->length = n; + return *this; + } +#endif OUStringBuffer & operator =(OUString const & string) { sal_Int32 n = string.getLength(); if (n >= nCapacity) { @@ -955,6 +979,12 @@ public: @param str a string. @return this string buffer. */ +#if defined LIBO_INTERNAL_ONLY + OUStringBuffer & insert(sal_Int32 offset, std::u16string_view str) + { + return insert( offset, str.data(), str.length() ); + } +#endif OUStringBuffer & insert(sal_Int32 offset, const OUString & str) { return insert( offset, str.getStr(), str.getLength() ); @@ -1406,6 +1436,15 @@ public: returned. If it does not occur as a substring starting at fromIndex or beyond, -1 is returned. */ +#if defined LIBO_INTERNAL_ONLY + sal_Int32 indexOf( std::u16string_view str, sal_Int32 fromIndex = 0 ) const + { + assert( fromIndex >= 0 && fromIndex <= pData->length ); + sal_Int32 ret = rtl_ustr_indexOfStr_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, + str.data(), str.length() ); + return (ret < 0 ? ret : ret+fromIndex); + } +#endif sal_Int32 indexOf( const OUString & str, sal_Int32 fromIndex = 0 ) const { assert( fromIndex >= 0 && fromIndex <= pData->length ); @@ -1475,6 +1514,13 @@ public: the last such substring is returned. If it does not occur as a substring, -1 is returned. */ +#if defined LIBO_INTERNAL_ONLY + sal_Int32 lastIndexOf( std::u16string_view str ) const + { + return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, pData->length, + str.data(), str.length() ); + } +#endif sal_Int32 lastIndexOf( const OUString & str ) const { return rtl_ustr_lastIndexOfStr_WithLength( pData->buffer, pData->length, @@ -1607,6 +1653,47 @@ public: { return stripStart(c) + stripEnd(c); } + +#if defined LIBO_INTERNAL_ONLY + /** + Returns a std::u16string_view that is a view of a substring of this string. + + The substring begins at the specified beginIndex. If + beginIndex is negative or be greater than the length of + this string, behaviour is undefined. + + @param beginIndex the beginning index, inclusive. + @return the specified substring. + */ + SAL_WARN_UNUSED_RESULT std::u16string_view subView( sal_Int32 beginIndex ) const + { + assert(beginIndex >= 0); + assert(beginIndex <= getLength()); + return subView(beginIndex, getLength() - beginIndex); + } + + /** + Returns a std::u16string_view that is a view of a substring of this string. + + The substring begins at the specified beginIndex and contains count + characters. If either beginIndex or count are negative, + or beginIndex + count are greater than the length of this string + then behaviour is undefined. + + @param beginIndex the beginning index, inclusive. + @param count the number of characters. + @return the specified substring. + */ + SAL_WARN_UNUSED_RESULT std::u16string_view subView( sal_Int32 beginIndex, sal_Int32 count ) const + { + assert(beginIndex >= 0); + assert(count >= 0); + assert(beginIndex <= getLength()); + assert(count <= getLength() - beginIndex); + return std::u16string_view(pData->buffer, sal_uInt32(pData->length)).substr(beginIndex, count); + } +#endif + /** Returns a new string buffer that is a substring of this string. |