C++ Utility functions for handling utf8 strings. More...
#include <sys/types.h>#include <cstddef>#include <cstdint>#include <iterator>#include <stdexcept>#include <string>#include <string_view>#include <utility>#include <fcitx-utils/cutf8.h>#include <fcitx-utils/fcitxutils_export.h>#include <fcitx-utils/macros.h>#include <fcitx-utils/misc.h>
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Classes | |
| class | fcitx::utf8::UTF8CharIterator< Iter > |
| Helper class to iterate character, you need to validate the string before using it. More... | |
| class | fcitx::utf8::UTF8StringViewIter< Iter > |
Functions | |
| template<typename Iter > | |
| size_t | fcitx::utf8::length (Iter start, Iter end) |
| Return the number UTF-8 characters in the string iterator range. More... | |
| template<typename T > | |
| size_t | fcitx::utf8::length (const T &s) |
| Return the number UTF-8 characters in the string. More... | |
| template<typename T > | |
| size_t | fcitx::utf8::length (const T &s, size_t start, size_t end) |
| Return the number UTF-8 characters in the string. | |
| template<typename Iter > | |
| size_t | fcitx::utf8::lengthValidated (Iter start, Iter end) |
| Validate and return the number UTF-8 characters in the string iterator range. More... | |
| template<typename T > | |
| size_t | fcitx::utf8::lengthValidated (const T &s) |
| Validate and return the number UTF-8 characters in the string. More... | |
| template<typename Iter > | |
| bool | fcitx::utf8::validate (Iter start, Iter end) |
| Check if the string iterator range is valid utf8 string. | |
| template<typename T > | |
| bool | fcitx::utf8::validate (const T &s) |
| Check if the string is valid utf8 string. | |
| std::string | fcitx::utf8::UCS4ToUTF8 (uint32_t code) |
| Convert UCS4 to UTF8 string. | |
| bool | fcitx::utf8::UCS4IsValid (uint32_t code) |
| Check if a ucs4 is valid. | |
| bool | fcitx::utf8::isValidChar (uint32_t c) |
| Check the chr value is not two invalid value above. | |
| template<typename Iter > | |
| uint32_t | fcitx::utf8::getChar (Iter iter, Iter end) |
| Get next UCS4 char from iter, do not cross end. More... | |
| template<typename T > | |
| uint32_t | fcitx::utf8::getChar (const T &s) |
| Get next UCS4 char, may return INVALID_CHAR or NOT_ENOUGH_SPACE. | |
| template<typename Iter > | |
| Iter | fcitx::utf8::getNextChar (Iter iter, Iter end, uint32_t *chr) |
| template<typename Iter > | |
| ssize_t | fcitx::utf8::ncharByteLength (Iter iter, size_t n) |
| get the byte length of next N utf-8 character. More... | |
| template<typename Iter > | |
| Iter | fcitx::utf8::nextNChar (Iter iter, size_t n) |
| Move iter over next n character. | |
| template<typename Iter > | |
| Iter | fcitx::utf8::nextChar (Iter iter) |
| Move iter over next one character. | |
| template<typename Iter > | |
| uint32_t | fcitx::utf8::getLastChar (Iter iter, Iter end) |
| template<typename T > | |
| uint32_t | fcitx::utf8::getLastChar (const T &str) |
| template<typename Iter > | |
| auto | fcitx::utf8::MakeUTF8CharIterator (Iter iter, Iter end) |
| template<typename T > | |
| auto | fcitx::utf8::MakeUTF8CharRange (const T &str) |
| template<typename Iter > | |
| auto | fcitx::utf8::MakeUTF8StringViewIterator (Iter iter, Iter end) |
| template<typename T > | |
| auto | fcitx::utf8::MakeUTF8StringViewRange (const T &str) |
Variables | |
| constexpr size_t | fcitx::utf8::INVALID_LENGTH = static_cast<size_t>(-1) |
| Possible return value of lengthValidated if the string is not valid. More... | |
| constexpr uint32_t | fcitx::utf8::INVALID_CHAR = static_cast<uint32_t>(-1) |
| Possible return value for getChar. | |
| constexpr uint32_t | fcitx::utf8::NOT_ENOUGH_SPACE = static_cast<uint32_t>(-2) |
| Possible return value for getChar. | |
Detailed Description
C++ Utility functions for handling utf8 strings.
Definition in file utf8.h.
