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``casemap::ffi``
================
.. cpp:class:: ICU4XCaseMapCloser
See the `Rust documentation for CaseMapCloser <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html>`__ for more information.
.. cpp:function:: static diplomat::result<ICU4XCaseMapCloser, ICU4XError> create(const ICU4XDataProvider& provider)
Construct a new ICU4XCaseMapper instance
See the `Rust documentation for new <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.new>`__ for more information.
.. cpp:function:: void add_case_closure_to(char32_t c, ICU4XCodePointSetBuilder& builder) const
Adds all simple case mappings and the full case folding for ``c`` to ``builder``. Also adds special case closure mappings.
See the `Rust documentation for add_case_closure_to <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_case_closure_to>`__ for more information.
.. cpp:function:: bool add_string_case_closure_to(const std::string_view s, ICU4XCodePointSetBuilder& builder) const
Finds all characters and strings which may casemap to ``s`` as their full case folding string and adds them to the set.
Returns true if the string was found
See the `Rust documentation for add_string_case_closure_to <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_string_case_closure_to>`__ for more information.
.. cpp:class:: ICU4XCaseMapper
See the `Rust documentation for CaseMapper <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html>`__ for more information.
.. cpp:function:: static diplomat::result<ICU4XCaseMapper, ICU4XError> create(const ICU4XDataProvider& provider)
Construct a new ICU4XCaseMapper instance
See the `Rust documentation for new <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.new>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> lowercase_to_writeable(const std::string_view s, const ICU4XLocale& locale, W& write) const
Returns the full lowercase mapping of the given string
See the `Rust documentation for lowercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.lowercase>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> lowercase(const std::string_view s, const ICU4XLocale& locale) const
Returns the full lowercase mapping of the given string
See the `Rust documentation for lowercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.lowercase>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> uppercase_to_writeable(const std::string_view s, const ICU4XLocale& locale, W& write) const
Returns the full uppercase mapping of the given string
See the `Rust documentation for uppercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.uppercase>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> uppercase(const std::string_view s, const ICU4XLocale& locale) const
Returns the full uppercase mapping of the given string
See the `Rust documentation for uppercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.uppercase>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> titlecase_segment_with_only_case_data_v1_to_writeable(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options, W& write) const
Returns the full titlecase mapping of the given string, performing head adjustment without loading additional data. (if head adjustment is enabled in the options)
The ``v1`` refers to the version of the options struct, which may change as we add more options
See the `Rust documentation for titlecase_segment_with_only_case_data <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.titlecase_segment_with_only_case_data>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> titlecase_segment_with_only_case_data_v1(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options) const
Returns the full titlecase mapping of the given string, performing head adjustment without loading additional data. (if head adjustment is enabled in the options)
The ``v1`` refers to the version of the options struct, which may change as we add more options
See the `Rust documentation for titlecase_segment_with_only_case_data <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.titlecase_segment_with_only_case_data>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> fold_to_writeable(const std::string_view s, W& write) const
Case-folds the characters in the given string
See the `Rust documentation for fold <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.fold>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> fold(const std::string_view s) const
Case-folds the characters in the given string
See the `Rust documentation for fold <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.fold>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> fold_turkic_to_writeable(const std::string_view s, W& write) const
Case-folds the characters in the given string using Turkic (T) mappings for dotted/dotless I.
See the `Rust documentation for fold_turkic <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.fold_turkic>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> fold_turkic(const std::string_view s) const
Case-folds the characters in the given string using Turkic (T) mappings for dotted/dotless I.
See the `Rust documentation for fold_turkic <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.fold_turkic>`__ for more information.
.. cpp:function:: void add_case_closure_to(char32_t c, ICU4XCodePointSetBuilder& builder) const
Adds all simple case mappings and the full case folding for ``c`` to ``builder``. Also adds special case closure mappings.
In other words, this adds all characters that this casemaps to, as well as all characters that may casemap to this one.
Note that since ICU4XCodePointSetBuilder does not contain strings, this will ignore string mappings.
Identical to the similarly named method on ``ICU4XCaseMapCloser``, use that if you plan on using string case closure mappings too.
See the `Rust documentation for add_case_closure_to <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.add_case_closure_to>`__ for more information.
.. cpp:function:: char32_t simple_lowercase(char32_t ch) const
Returns the simple lowercase mapping of the given character.
This function only implements simple and common mappings. Full mappings, which can map one char to a string, are not included. For full mappings, use ``ICU4XCaseMapper::lowercase``.
See the `Rust documentation for simple_lowercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.simple_lowercase>`__ for more information.
.. cpp:function:: char32_t simple_uppercase(char32_t ch) const
Returns the simple uppercase mapping of the given character.
This function only implements simple and common mappings. Full mappings, which can map one char to a string, are not included. For full mappings, use ``ICU4XCaseMapper::uppercase``.
See the `Rust documentation for simple_uppercase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.simple_uppercase>`__ for more information.
.. cpp:function:: char32_t simple_titlecase(char32_t ch) const
Returns the simple titlecase mapping of the given character.
This function only implements simple and common mappings. Full mappings, which can map one char to a string, are not included. For full mappings, use ``ICU4XCaseMapper::titlecase_segment``.
See the `Rust documentation for simple_titlecase <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.simple_titlecase>`__ for more information.
.. cpp:function:: char32_t simple_fold(char32_t ch) const
Returns the simple casefolding of the given character.
This function only implements simple folding. For full folding, use ``ICU4XCaseMapper::fold``.
See the `Rust documentation for simple_fold <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.simple_fold>`__ for more information.
.. cpp:function:: char32_t simple_fold_turkic(char32_t ch) const
Returns the simple casefolding of the given character in the Turkic locale
This function only implements simple folding. For full folding, use ``ICU4XCaseMapper::fold_turkic``.
See the `Rust documentation for simple_fold_turkic <https://docs.rs/icu/latest/icu/casemap/struct.CaseMapper.html#method.simple_fold_turkic>`__ for more information.
.. cpp:enum-struct:: ICU4XLeadingAdjustment
See the `Rust documentation for LeadingAdjustment <https://docs.rs/icu/latest/icu/casemap/titlecase/enum.LeadingAdjustment.html>`__ for more information.
.. cpp:enumerator:: Auto
.. cpp:enumerator:: None
.. cpp:enumerator:: ToCased
.. cpp:class:: ICU4XTitlecaseMapper
See the `Rust documentation for TitlecaseMapper <https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html>`__ for more information.
.. cpp:function:: static diplomat::result<ICU4XTitlecaseMapper, ICU4XError> create(const ICU4XDataProvider& provider)
Construct a new ``ICU4XTitlecaseMapper`` instance
See the `Rust documentation for new <https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.new>`__ for more information.
.. cpp:function:: template<typename W> diplomat::result<std::monostate, ICU4XError> titlecase_segment_v1_to_writeable(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options, W& write) const
Returns the full titlecase mapping of the given string
The ``v1`` refers to the version of the options struct, which may change as we add more options
See the `Rust documentation for titlecase_segment <https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.titlecase_segment>`__ for more information.
.. cpp:function:: diplomat::result<std::string, ICU4XError> titlecase_segment_v1(const std::string_view s, const ICU4XLocale& locale, ICU4XTitlecaseOptionsV1 options) const
Returns the full titlecase mapping of the given string
The ``v1`` refers to the version of the options struct, which may change as we add more options
See the `Rust documentation for titlecase_segment <https://docs.rs/icu/latest/icu/casemap/struct.TitlecaseMapper.html#method.titlecase_segment>`__ for more information.
.. cpp:struct:: ICU4XTitlecaseOptionsV1
See the `Rust documentation for TitlecaseOptions <https://docs.rs/icu/latest/icu/casemap/titlecase/struct.TitlecaseOptions.html>`__ for more information.
.. cpp:member:: ICU4XLeadingAdjustment leading_adjustment
.. cpp:member:: ICU4XTrailingCase trailing_case
.. cpp:function:: static ICU4XTitlecaseOptionsV1 default_options()
See the `Rust documentation for default <https://docs.rs/icu/latest/icu/casemap/titlecase/struct.TitlecaseOptions.html#method.default>`__ for more information.
.. cpp:enum-struct:: ICU4XTrailingCase
See the `Rust documentation for TrailingCase <https://docs.rs/icu/latest/icu/casemap/titlecase/enum.TrailingCase.html>`__ for more information.
.. cpp:enumerator:: Lower
.. cpp:enumerator:: Unchanged
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