diff options
Diffstat (limited to 'sal/inc/rtl/string.hxx')
| -rw-r--r-- | sal/inc/rtl/string.hxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sal/inc/rtl/string.hxx b/sal/inc/rtl/string.hxx index e39e0e091cdf..68f2aa190ce4 100644 --- a/sal/inc/rtl/string.hxx +++ b/sal/inc/rtl/string.hxx @@ -471,6 +471,31 @@ public: } /** + Match against a substring appearing in this string. + + @param str the substring to be compared; must not be null and must point + to memory of at least strLength bytes + + @param strLength the length of the substring; must be non-negative + + @param fromIndex the index into this string to start the comparison at; + must be non-negative and not greater than this string's length + + @return true if and only if the given str is contained as a substring of + this string at the given fromIndex + + @since LibreOffice 3.6 + */ + bool matchL( + char const * str, sal_Int32 strLength, sal_Int32 fromIndex = 0) + const + { + return rtl_str_shortenedCompare_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, + str, strLength, strLength) == 0; + } + + /** Match against a substring appearing in this string, ignoring the case of ASCII letters. @@ -495,6 +520,39 @@ public: str.pData->length ) == 0; } + /** + Check whether this string ends with a given substring. + + @param str the substring to be compared + + @return true if and only if the given str appears as a substring at the + end of this string + + @since LibreOffice 3.6 + */ + bool endsWith(rtl::OString const & str) const { + return str.getLength() <= getLength() + && match(str, getLength() - str.getLength()); + } + + /** + Check whether this string ends with a given substring. + + @param str the substring to be compared; must not be null and must point + to memory of at least strLength bytes + + @param strLength the length of the substring; must be non-negative + + @return true if and only if the given str appears as a substring at the + end of this string + + @since LibreOffice 3.6 + */ + bool endsWithL(char const * str, sal_Int32 strLength) const { + return strLength <= getLength() + && matchL(str, strLength, getLength() - strLength); + } + friend sal_Bool operator == ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) { return rStr1.getLength() == rStr2.getLength() && rStr1.compareTo( rStr2 ) == 0; } friend sal_Bool operator == ( const OString& rStr1, const sal_Char * pStr2 ) SAL_THROW(()) @@ -603,6 +661,32 @@ public: } /** + Returns the index within this string of the first occurrence of the + specified substring, starting at the specified index. + + If str doesn't include any character, always -1 is + returned. This is also the case, if both strings are empty. + + @param str the substring to search for. + @param len the length of the substring. + @param fromIndex the index to start the search from. + @return If the string argument occurs one or more times as a substring + within this string at the starting index, then the index + of the first character of the first such substring is + returned. If it does not occur as a substring starting + at fromIndex or beyond, -1 is returned. + + @since LibreOffice 3.6 + */ + sal_Int32 indexOfL(char const * str, sal_Int32 len, sal_Int32 fromIndex = 0) + const SAL_THROW(()) + { + sal_Int32 n = rtl_str_indexOfStr_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, str, len); + return n < 0 ? n : n + fromIndex; + } + + /** Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the end. @@ -754,6 +838,56 @@ public: } /** + Returns a new string resulting from replacing the first occurrence of a + given substring with another substring. + + @param from the substring to be replaced + + @param to the replacing substring + + @param[in,out] index pointer to a start index; if the pointer is + non-null: upon entry to the function, its value is the index into the this + string at which to start searching for the \p from substring, the value + must be non-negative and not greater than this string's length; upon exit + from the function its value is the index into this string at which the + replacement took place or -1 if no replacement took place; if the pointer + is null, searching always starts at index 0 + + @since LibreOffice 3.6 + */ + OString replaceFirst( + OString const & from, OString const & to, sal_Int32 * index = 0) const + { + rtl_String * s = 0; + sal_Int32 i = 0; + rtl_string_newReplaceFirst( + &s, pData, from.pData->buffer, from.pData->length, + to.pData->buffer, to.pData->length, index == 0 ? &i : index); + return OString(s, SAL_NO_ACQUIRE); + } + + /** + Returns a new string resulting from replacing all occurrences of a given + substring with another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param from the substring to be replaced + + @param to the replacing substring + + @since LibreOffice 3.6 + */ + OString replaceAll(OString const & from, OString const & to) const { + rtl_String * s = 0; + rtl_string_newReplaceAll( + &s, pData, from.pData->buffer, from.pData->length, + to.pData->buffer, to.pData->length); + return OString(s, SAL_NO_ACQUIRE); + } + + /** Converts from this string all ASCII uppercase characters (65-90) to ASCII lowercase characters (97-122). @@ -837,6 +971,24 @@ public: } /** + Returns a token from the string. + + The same as getToken(sal_Int32, sal_Char, sal_Int32 &), but always passing + in 0 as the start index in the third argument. + + @param count the number of the token to return, starting with 0 + @param separator the character which separates the tokens + + @return the given token, or an empty string + + @since LibreOffice 3.6 + */ + OString getToken(sal_Int32 count, char separator) const { + sal_Int32 n = 0; + return getToken(count, separator, n); + } + + /** Returns the Boolean value from this string. This function can't be used for language specific conversion. |