mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-14 00:37:21 +00:00
acc39a4bc0
* Api Symbols: replace asserts with checks * Api Symbols: replace asserts with checks part 2 * Update no args function signatures with void, to help compiler to track incorrect usage * More unavoidable void * Update PVS config and code to make it happy * Format sources * nfc: fix checks * dead code cleanup & include fixes Co-authored-by: gornekich <n.gorbadey@gmail.com> Co-authored-by: hedger <hedger@users.noreply.github.com> Co-authored-by: hedger <hedger@nanode.su>
742 lines
21 KiB
C
742 lines
21 KiB
C
/**
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* @file string.h
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* Furi string primitive
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <m-core.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Furi string failure constant.
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*/
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#define FURI_STRING_FAILURE ((size_t)-1)
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/**
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* @brief Furi string primitive.
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*/
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typedef struct FuriString FuriString;
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//---------------------------------------------------------------------------
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// Constructors
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//---------------------------------------------------------------------------
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/**
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* @brief Allocate new FuriString.
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* @return FuriString*
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*/
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FuriString* furi_string_alloc(void);
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/**
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* @brief Allocate new FuriString and set it to string.
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* Allocate & Set the string a to the string.
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* @param source
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* @return FuriString*
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*/
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FuriString* furi_string_alloc_set(const FuriString* source);
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/**
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* @brief Allocate new FuriString and set it to C string.
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* Allocate & Set the string a to the C string.
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* @param cstr_source
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* @return FuriString*
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*/
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FuriString* furi_string_alloc_set_str(const char cstr_source[]);
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/**
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* @brief Allocate new FuriString and printf to it.
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* Initialize and set a string to the given formatted value.
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* @param format
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* @param ...
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* @return FuriString*
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*/
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FuriString* furi_string_alloc_printf(const char format[], ...)
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_ATTRIBUTE((__format__(__printf__, 1, 2)));
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/**
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* @brief Allocate new FuriString and printf to it.
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* Initialize and set a string to the given formatted value.
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* @param format
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* @param args
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* @return FuriString*
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*/
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FuriString* furi_string_alloc_vprintf(const char format[], va_list args);
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/**
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* @brief Allocate new FuriString and move source string content to it.
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* Allocate the string, set it to the other one, and destroy the other one.
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* @param source
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* @return FuriString*
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*/
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FuriString* furi_string_alloc_move(FuriString* source);
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//---------------------------------------------------------------------------
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// Destructors
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//---------------------------------------------------------------------------
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/**
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* @brief Free FuriString.
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* @param string
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*/
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void furi_string_free(FuriString* string);
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//---------------------------------------------------------------------------
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// String memory management
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//---------------------------------------------------------------------------
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/**
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* @brief Reserve memory for string.
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* Modify the string capacity to be able to handle at least 'alloc' characters (including final null char).
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* @param string
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* @param size
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*/
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void furi_string_reserve(FuriString* string, size_t size);
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/**
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* @brief Reset string.
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* Make the string empty.
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* @param string
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*/
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void furi_string_reset(FuriString* string);
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/**
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* @brief Swap two strings.
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* Swap the two strings string_1 and string_2.
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* @param string_1
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* @param string_2
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*/
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void furi_string_swap(FuriString* string_1, FuriString* string_2);
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/**
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* @brief Move string_2 content to string_1.
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* Set the string to the other one, and destroy the other one.
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* @param string_1
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* @param string_2
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*/
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void furi_string_move(FuriString* string_1, FuriString* string_2);
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/**
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* @brief Compute a hash for the string.
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* @param string
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* @return size_t
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*/
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size_t furi_string_hash(const FuriString* string);
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/**
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* @brief Get string size (usually length, but not for UTF-8)
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* @param string
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* @return size_t
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*/
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size_t furi_string_size(const FuriString* string);
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/**
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* @brief Check that string is empty or not
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* @param string
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* @return bool
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*/
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bool furi_string_empty(const FuriString* string);
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//---------------------------------------------------------------------------
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// Getters
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//---------------------------------------------------------------------------
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/**
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* @brief Get the character at the given index.
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* Return the selected character of the string.
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* @param string
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* @param index
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* @return char
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*/
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char furi_string_get_char(const FuriString* string, size_t index);
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/**
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* @brief Return the string view a classic C string.
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* @param string
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* @return const char*
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*/
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const char* furi_string_get_cstr(const FuriString* string);
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//---------------------------------------------------------------------------
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// Setters
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//---------------------------------------------------------------------------
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/**
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* @brief Set the string to the other string.
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* Set the string to the source string.
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* @param string
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* @param source
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*/
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void furi_string_set(FuriString* string, FuriString* source);
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/**
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* @brief Set the string to the other C string.
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* Set the string to the source C string.
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* @param string
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* @param source
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*/
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void furi_string_set_str(FuriString* string, const char source[]);
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/**
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* @brief Set the string to the n first characters of the C string.
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* @param string
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* @param source
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* @param length
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*/
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void furi_string_set_strn(FuriString* string, const char source[], size_t length);
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/**
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* @brief Set the character at the given index.
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* @param string
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* @param index
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* @param c
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*/
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void furi_string_set_char(FuriString* string, size_t index, const char c);
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/**
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* @brief Set the string to the n first characters of other one.
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* @param string
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* @param source
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* @param offset
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* @param length
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*/
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void furi_string_set_n(FuriString* string, const FuriString* source, size_t offset, size_t length);
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/**
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* @brief Format in the string the given printf format
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* @param string
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* @param format
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* @param ...
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* @return int
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*/
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int furi_string_printf(FuriString* string, const char format[], ...)
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_ATTRIBUTE((__format__(__printf__, 2, 3)));
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/**
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* @brief Format in the string the given printf format
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* @param string
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* @param format
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* @param args
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* @return int
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*/
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int furi_string_vprintf(FuriString* string, const char format[], va_list args);
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//---------------------------------------------------------------------------
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// Appending
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//---------------------------------------------------------------------------
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/**
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* @brief Append a character to the string.
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* @param string
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* @param c
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*/
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void furi_string_push_back(FuriString* string, char c);
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/**
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* @brief Append a string to the string.
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* Concatenate the string with the other string.
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* @param string_1
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* @param string_2
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*/
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void furi_string_cat(FuriString* string_1, const FuriString* string_2);
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/**
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* @brief Append a C string to the string.
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* Concatenate the string with the C string.
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* @param string_1
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* @param cstring_2
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*/
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void furi_string_cat_str(FuriString* string_1, const char cstring_2[]);
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/**
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* @brief Append to the string the formatted string of the given printf format.
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* @param string
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* @param format
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* @param ...
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* @return int
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*/
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int furi_string_cat_printf(FuriString* string, const char format[], ...)
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_ATTRIBUTE((__format__(__printf__, 2, 3)));
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/**
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* @brief Append to the string the formatted string of the given printf format.
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* @param string
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* @param format
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* @param args
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* @return int
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*/
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int furi_string_cat_vprintf(FuriString* string, const char format[], va_list args);
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//---------------------------------------------------------------------------
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// Comparators
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//---------------------------------------------------------------------------
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/**
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* @brief Compare two strings and return the sort order.
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* @param string_1
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* @param string_2
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* @return int
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*/
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int furi_string_cmp(const FuriString* string_1, const FuriString* string_2);
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/**
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* @brief Compare string with C string and return the sort order.
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* @param string_1
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* @param cstring_2
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* @return int
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*/
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int furi_string_cmp_str(const FuriString* string_1, const char cstring_2[]);
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/**
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* @brief Compare two strings (case insensitive according to the current locale) and return the sort order.
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* Note: doesn't work with UTF-8 strings.
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* @param string_1
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* @param string_2
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* @return int
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*/
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int furi_string_cmpi(const FuriString* string_1, const FuriString* string_2);
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/**
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* @brief Compare string with C string (case insensitive according to the current locale) and return the sort order.
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* Note: doesn't work with UTF-8 strings.
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* @param string_1
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* @param cstring_2
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* @return int
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*/
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int furi_string_cmpi_str(const FuriString* string_1, const char cstring_2[]);
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//---------------------------------------------------------------------------
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// Search
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//---------------------------------------------------------------------------
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/**
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* @brief Search the first occurrence of the needle in the string from the position start.
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* Return STRING_FAILURE if not found.
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* By default, start is zero.
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* @param string
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* @param needle
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* @param start
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* @return size_t
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*/
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size_t furi_string_search(const FuriString* string, const FuriString* needle, size_t start);
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/**
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* @brief Search the first occurrence of the needle in the string from the position start.
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* Return STRING_FAILURE if not found.
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* @param string
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* @param needle
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* @param start
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* @return size_t
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*/
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size_t furi_string_search_str(const FuriString* string, const char needle[], size_t start);
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/**
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* @brief Search for the position of the character c from the position start (include) in the string.
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* Return STRING_FAILURE if not found.
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* By default, start is zero.
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* @param string
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* @param c
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* @param start
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* @return size_t
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*/
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size_t furi_string_search_char(const FuriString* string, char c, size_t start);
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/**
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* @brief Reverse search for the position of the character c from the position start (include) in the string.
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* Return STRING_FAILURE if not found.
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* By default, start is zero.
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* @param string
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* @param c
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* @param start
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* @return size_t
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*/
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size_t furi_string_search_rchar(const FuriString* string, char c, size_t start);
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//---------------------------------------------------------------------------
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// Equality
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//---------------------------------------------------------------------------
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/**
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* @brief Test if two strings are equal.
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* @param string_1
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* @param string_2
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* @return bool
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*/
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bool furi_string_equal(const FuriString* string_1, const FuriString* string_2);
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/**
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* @brief Test if the string is equal to the C string.
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* @param string_1
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* @param cstring_2
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* @return bool
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*/
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bool furi_string_equal_str(const FuriString* string_1, const char cstring_2[]);
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//---------------------------------------------------------------------------
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// Replace
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//---------------------------------------------------------------------------
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/**
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* @brief Replace in the string the sub-string at position 'pos' for 'len' bytes into the C string 'replace'.
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* @param string
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* @param pos
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* @param len
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* @param replace
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*/
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void furi_string_replace_at(FuriString* string, size_t pos, size_t len, const char replace[]);
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/**
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* @brief Replace a string 'needle' to string 'replace' in a string from 'start' position.
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* By default, start is zero.
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* Return STRING_FAILURE if 'needle' not found or replace position.
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* @param string
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* @param needle
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* @param replace
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* @param start
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* @return size_t
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*/
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size_t
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furi_string_replace(FuriString* string, FuriString* needle, FuriString* replace, size_t start);
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/**
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* @brief Replace a C string 'needle' to C string 'replace' in a string from 'start' position.
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* By default, start is zero.
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* Return STRING_FAILURE if 'needle' not found or replace position.
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* @param string
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* @param needle
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* @param replace
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* @param start
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* @return size_t
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*/
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size_t furi_string_replace_str(
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FuriString* string,
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const char needle[],
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const char replace[],
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size_t start);
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/**
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* @brief Replace all occurrences of 'needle' string into 'replace' string.
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* @param string
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* @param needle
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* @param replace
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*/
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void furi_string_replace_all(
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FuriString* string,
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const FuriString* needle,
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const FuriString* replace);
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/**
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* @brief Replace all occurrences of 'needle' C string into 'replace' C string.
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* @param string
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* @param needle
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* @param replace
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*/
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void furi_string_replace_all_str(FuriString* string, const char needle[], const char replace[]);
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//---------------------------------------------------------------------------
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// Start / End tests
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//---------------------------------------------------------------------------
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/**
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* @brief Test if the string starts with the given string.
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* @param string
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* @param start
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* @return bool
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*/
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bool furi_string_start_with(const FuriString* string, const FuriString* start);
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/**
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* @brief Test if the string starts with the given C string.
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* @param string
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* @param start
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* @return bool
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*/
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bool furi_string_start_with_str(const FuriString* string, const char start[]);
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/**
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* @brief Test if the string ends with the given string.
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* @param string
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* @param end
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* @return bool
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*/
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bool furi_string_end_with(const FuriString* string, const FuriString* end);
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/**
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* @brief Test if the string ends with the given C string.
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* @param string
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* @param end
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* @return bool
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*/
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bool furi_string_end_with_str(const FuriString* string, const char end[]);
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//---------------------------------------------------------------------------
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// Trim
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//---------------------------------------------------------------------------
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/**
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* @brief Trim the string left to the first 'index' bytes.
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* @param string
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* @param index
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*/
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void furi_string_left(FuriString* string, size_t index);
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/**
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* @brief Trim the string right from the 'index' position to the last position.
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* @param string
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* @param index
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*/
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void furi_string_right(FuriString* string, size_t index);
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|
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/**
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* @brief Trim the string from position index to size bytes.
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* See also furi_string_set_n.
|
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* @param string
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* @param index
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* @param size
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*/
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void furi_string_mid(FuriString* string, size_t index, size_t size);
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|
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/**
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* @brief Trim a string from the given set of characters (default is " \n\r\t").
|
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* @param string
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* @param chars
|
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*/
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void furi_string_trim(FuriString* string, const char chars[]);
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|
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//---------------------------------------------------------------------------
|
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// UTF8
|
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//---------------------------------------------------------------------------
|
||
|
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/**
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* @brief An unicode value.
|
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*/
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typedef unsigned int FuriStringUnicodeValue;
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|
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/**
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* @brief Compute the length in UTF8 characters in the string.
|
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* @param string
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* @return size_t
|
||
*/
|
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size_t furi_string_utf8_length(FuriString* string);
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|
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/**
|
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* @brief Push unicode into string, encoding it in UTF8.
|
||
* @param string
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* @param unicode
|
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*/
|
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void furi_string_utf8_push(FuriString* string, FuriStringUnicodeValue unicode);
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|
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/**
|
||
* @brief State of the UTF8 decoding machine state.
|
||
*/
|
||
typedef enum {
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FuriStringUTF8StateStarting,
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FuriStringUTF8StateDecoding1,
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FuriStringUTF8StateDecoding2,
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FuriStringUTF8StateDecoding3,
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FuriStringUTF8StateError
|
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} FuriStringUTF8State;
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|
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/**
|
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* @brief Main generic UTF8 decoder.
|
||
* It takes a character, and the previous state and the previous value of the unicode value.
|
||
* It updates the state and the decoded unicode value.
|
||
* A decoded unicode encoded value is valid only when the state is FuriStringUTF8StateStarting.
|
||
* @param c
|
||
* @param state
|
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* @param unicode
|
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*/
|
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void furi_string_utf8_decode(char c, FuriStringUTF8State* state, FuriStringUnicodeValue* unicode);
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|
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//---------------------------------------------------------------------------
|
||
// Lasciate ogne speranza, voi ch’entrate
|
||
//---------------------------------------------------------------------------
|
||
|
||
/**
|
||
*
|
||
* Select either the string function or the str function depending on
|
||
* the b operand to the function.
|
||
* func1 is the string function / func2 is the str function.
|
||
*/
|
||
|
||
/**
|
||
* @brief Select for 1 argument
|
||
*/
|
||
#define FURI_STRING_SELECT1(func1, func2, a) \
|
||
_Generic((a), char*: func2, const char*: func2, FuriString*: func1, const FuriString*: func1)( \
|
||
a)
|
||
|
||
/**
|
||
* @brief Select for 2 arguments
|
||
*/
|
||
#define FURI_STRING_SELECT2(func1, func2, a, b) \
|
||
_Generic((b), char*: func2, const char*: func2, FuriString*: func1, const FuriString*: func1)( \
|
||
a, b)
|
||
|
||
/**
|
||
* @brief Select for 3 arguments
|
||
*/
|
||
#define FURI_STRING_SELECT3(func1, func2, a, b, c) \
|
||
_Generic((b), char*: func2, const char*: func2, FuriString*: func1, const FuriString*: func1)( \
|
||
a, b, c)
|
||
|
||
/**
|
||
* @brief Select for 4 arguments
|
||
*/
|
||
#define FURI_STRING_SELECT4(func1, func2, a, b, c, d) \
|
||
_Generic((b), char*: func2, const char*: func2, FuriString*: func1, const FuriString*: func1)( \
|
||
a, b, c, d)
|
||
|
||
/**
|
||
* @brief Allocate new FuriString and set it content to string (or C string).
|
||
* ([c]string)
|
||
*/
|
||
#define furi_string_alloc_set(a) \
|
||
FURI_STRING_SELECT1(furi_string_alloc_set, furi_string_alloc_set_str, a)
|
||
|
||
/**
|
||
* @brief Set the string content to string (or C string).
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_set(a, b) FURI_STRING_SELECT2(furi_string_set, furi_string_set_str, a, b)
|
||
|
||
/**
|
||
* @brief Compare string with string (or C string) and return the sort order.
|
||
* Note: doesn't work with UTF-8 strings.
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_cmp(a, b) FURI_STRING_SELECT2(furi_string_cmp, furi_string_cmp_str, a, b)
|
||
|
||
/**
|
||
* @brief Compare string with string (or C string) (case insensitive according to the current locale) and return the sort order.
|
||
* Note: doesn't work with UTF-8 strings.
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_cmpi(a, b) FURI_STRING_SELECT2(furi_string_cmpi, furi_string_cmpi_str, a, b)
|
||
|
||
/**
|
||
* @brief Test if the string is equal to the string (or C string).
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_equal(a, b) FURI_STRING_SELECT2(furi_string_equal, furi_string_equal_str, a, b)
|
||
|
||
/**
|
||
* @brief Replace all occurrences of string into string (or C string to another C string) in a string.
|
||
* (string, [c]string, [c]string)
|
||
*/
|
||
#define furi_string_replace_all(a, b, c) \
|
||
FURI_STRING_SELECT3(furi_string_replace_all, furi_string_replace_all_str, a, b, c)
|
||
|
||
/**
|
||
* @brief Search for a string (or C string) in a string
|
||
* (string, [c]string[, start=0])
|
||
*/
|
||
#define furi_string_search(...) \
|
||
M_APPLY( \
|
||
FURI_STRING_SELECT3, \
|
||
furi_string_search, \
|
||
furi_string_search_str, \
|
||
M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
|
||
/**
|
||
* @brief Search for a C string in a string
|
||
* (string, cstring[, start=0])
|
||
*/
|
||
#define furi_string_search_str(...) furi_string_search_str(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief Test if the string starts with the given string (or C string).
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_start_with(a, b) \
|
||
FURI_STRING_SELECT2(furi_string_start_with, furi_string_start_with_str, a, b)
|
||
|
||
/**
|
||
* @brief Test if the string ends with the given string (or C string).
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_end_with(a, b) \
|
||
FURI_STRING_SELECT2(furi_string_end_with, furi_string_end_with_str, a, b)
|
||
|
||
/**
|
||
* @brief Append a string (or C string) to the string.
|
||
* (string, [c]string)
|
||
*/
|
||
#define furi_string_cat(a, b) FURI_STRING_SELECT2(furi_string_cat, furi_string_cat_str, a, b)
|
||
|
||
/**
|
||
* @brief Trim a string from the given set of characters (default is " \n\r\t").
|
||
* (string[, set=" \n\r\t"])
|
||
*/
|
||
#define furi_string_trim(...) furi_string_trim(M_DEFAULT_ARGS(2, (" \n\r\t"), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief Search for a character in a string.
|
||
* (string, character[, start=0])
|
||
*/
|
||
#define furi_string_search_char(...) furi_string_search_char(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief Reverse Search for a character in a string.
|
||
* (string, character[, start=0])
|
||
*/
|
||
#define furi_string_search_rchar(...) furi_string_search_rchar(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief Replace a string to another string (or C string to another C string) in a string.
|
||
* (string, [c]string, [c]string[, start=0])
|
||
*/
|
||
#define furi_string_replace(...) \
|
||
M_APPLY( \
|
||
FURI_STRING_SELECT4, \
|
||
furi_string_replace, \
|
||
furi_string_replace_str, \
|
||
M_DEFAULT_ARGS(4, (0), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief Replace a C string to another C string in a string.
|
||
* (string, cstring, cstring[, start=0])
|
||
*/
|
||
#define furi_string_replace_str(...) furi_string_replace_str(M_DEFAULT_ARGS(4, (0), __VA_ARGS__))
|
||
|
||
/**
|
||
* @brief INIT OPLIST for FuriString.
|
||
*/
|
||
#define F_STR_INIT(a) ((a) = furi_string_alloc())
|
||
|
||
/**
|
||
* @brief INIT SET OPLIST for FuriString.
|
||
*/
|
||
#define F_STR_INIT_SET(a, b) ((a) = furi_string_alloc_set(b))
|
||
|
||
/**
|
||
* @brief INIT MOVE OPLIST for FuriString.
|
||
*/
|
||
#define F_STR_INIT_MOVE(a, b) ((a) = furi_string_alloc_move(b))
|
||
|
||
/**
|
||
* @brief OPLIST for FuriString.
|
||
*/
|
||
#define FURI_STRING_OPLIST \
|
||
(INIT(F_STR_INIT), \
|
||
INIT_SET(F_STR_INIT_SET), \
|
||
SET(furi_string_set), \
|
||
INIT_MOVE(F_STR_INIT_MOVE), \
|
||
MOVE(furi_string_move), \
|
||
SWAP(furi_string_swap), \
|
||
RESET(furi_string_reset), \
|
||
EMPTY_P(furi_string_empty), \
|
||
CLEAR(furi_string_free), \
|
||
HASH(furi_string_hash), \
|
||
EQUAL(furi_string_equal), \
|
||
CMP(furi_string_cmp), \
|
||
TYPE(FuriString*))
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|