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juce_core

## Classes
struct | Base64
| Contains some static methods for converting between binary and the standard base-64 encoding format. More...
class | CharacterFunctions
| A collection of functions for manipulating characters and character strings. More...
struct | CharacterFunctions::HexParser< ResultType >
| Parses a character string, to read a hexadecimal value. More...
class | CharPointer_ASCII
| Wraps a pointer to a null-terminated ASCII character string, and provides various methods to operate on the data. More...
class | CharPointer_UTF16
| Wraps a pointer to a null-terminated UTF-16 character string, and provides various methods to operate on the data. More...
class | CharPointer_UTF32
| Wraps a pointer to a null-terminated UTF-32 character string, and provides various methods to operate on the data. More...
class | CharPointer_UTF8
| Wraps a pointer to a null-terminated UTF-8 character string, and provides various methods to operate on the data. More...
class | Identifier
| Represents a string identifier, designed for accessing properties by name. More...
class | LocalisedStrings
| Used to convert strings to localised foreign-language versions. More...
class | NewLine
| This class is used for represent a new-line character sequence. More...
class | String
| The JUCE String class! More...
class | StringArray
| A special array for holding a list of strings. More...
class | StringPairArray
| A container for holding a set of strings which are keyed by another string. More...
class | StringPool
| A StringPool holds a set of shared strings, which reduces storage overheads and improves comparison speed when dealing with many duplicate strings. More...
class | StringRef
| A simple class for holding temporary references to a string literal or String. More...
class | TextDiff
| Calculates and applies a sequence of changes to convert one text string into another. More...
struct | TextDiff::Change
| Describes a change, which can be either an insertion or deletion. More...

## Macros
#define | JUCE_NATIVE_WCHAR_IS_UTF8 0
| This macro will be set to 1 if the compiler's native wchar_t is an 8-bit type.
#define | JUCE_NATIVE_WCHAR_IS_UTF16 0
| This macro will be set to 1 if the compiler's native wchar_t is a 16-bit type.
#define | JUCE_NATIVE_WCHAR_IS_UTF32 1
| This macro will be set to 1 if the compiler's native wchar_t is a 32-bit type.
#define | TRANS(stringLiteral) juce::translate (stringLiteral)
| Uses the LocalisedStrings class to translate the given string literal.
#define | NEEDS_TRANS(stringLiteral) (stringLiteral)
| A dummy version of the TRANS macro, used to indicate a string literal that should be added to the translation file by source-code scanner tools.

## Typedefs
using | juce_wchar = wchar_t
| A platform-independent 32-bit unicode character type.

## Functions
JUCE_API String | translate (const String &stringLiteral)
| Uses the LocalisedStrings class to translate the given string literal.
JUCE_API String | translate (const char *stringLiteral)
| Uses the LocalisedStrings class to translate the given string literal.
JUCE_API String | translate (CharPointer_UTF8 stringLiteral)
| Uses the LocalisedStrings class to translate the given string literal.
JUCE_API String | translate (const String &stringLiteral, const String &resultIfNotFound)
| Uses the LocalisedStrings class to translate the given string literal.
String & | operator<< (String &string1, const NewLine &)
| Writes a new-line sequence to a string.
String & | operator+= (String &s1, const NewLine &)
String | operator+ (const NewLine &, const NewLine &)
String | operator+ (String s1, const NewLine &)
String | operator+ (const NewLine &, const char *s2)
JUCE_API String JUCE_CALLTYPE | operator+ (const char *string1, const String &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (const wchar_t *string1, const String &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (char string1, const String &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (wchar_t string1, const String &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, const String &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, const char *string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, const wchar_t *string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, const std::string &string2)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, char characterToAppend)
| Concatenates two strings.
JUCE_API String JUCE_CALLTYPE | operator+ (String string1, wchar_t characterToAppend)
| Concatenates two strings.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, char characterToAppend)
| Appends a character at the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, wchar_t characterToAppend)
| Appends a character at the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, const char *string2)
| Appends a string to the end of the first one.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, const wchar_t *string2)
| Appends a string to the end of the first one.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, const String &string2)
| Appends a string to the end of the first one.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, StringRef string2)
| Appends a string to the end of the first one.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, const std::string &string2)
| Appends a string to the end of the first one.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, uint8 number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, short number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, int number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, long number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, unsigned long number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, int64 number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, uint64 number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, float number)
| Appends a decimal number to the end of a string.
JUCE_API String &JUCE_CALLTYPE | operator<< (String &string1, double number)
| Appends a decimal number to the end of a string.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, const String &string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, const char *string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, const wchar_t *string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, CharPointer_UTF8 string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, CharPointer_UTF16 string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, CharPointer_UTF32 string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, const String &string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, const char *string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, const wchar_t *string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, CharPointer_UTF8 string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, CharPointer_UTF16 string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, CharPointer_UTF32 string2) noexcept
| Case-sensitive comparison of two strings.
template<class traits >
std::basic_ostream< char, traits > &JUCE_CALLTYPE | operator<< (std::basic_ostream< char, traits > &stream, const String &stringToWrite)
| This operator allows you to write a juce String directly to std output streams.
template<class traits >
std::basic_ostream< wchar_t, traits > &JUCE_CALLTYPE | operator<< (std::basic_ostream< wchar_t, traits > &stream, const String &stringToWrite)
| This operator allows you to write a juce String directly to std output streams.
JUCE_API OutputStream &JUCE_CALLTYPE | operator<< (OutputStream &stream, const String &stringToWrite)
| Writes a string to an OutputStream as UTF8.
JUCE_API OutputStream &JUCE_CALLTYPE | operator<< (OutputStream &stream, StringRef stringToWrite)
| Writes a string to an OutputStream as UTF8.
JUCE_API bool JUCE_CALLTYPE | operator== (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator!= (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator< (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator<= (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator> (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
JUCE_API bool JUCE_CALLTYPE | operator>= (const String &string1, StringRef string2) noexcept
| Case-sensitive comparison of two strings.
String | operator+ (String s1, StringRef s2)
String | operator+ (StringRef s1, const String &s2)
String | operator+ (const char *s1, StringRef s2)
String | operator+ (StringRef s1, const char *s2)

## Variables
NewLine | newLine
| A predefined object representing a new-line, which can be written to a string or stream.

## Detailed Description

## Macro Definition Documentation

## ◆ JUCE_NATIVE_WCHAR_IS_UTF8

#define JUCE_NATIVE_WCHAR_IS_UTF8 0

This macro will be set to 1 if the compiler's native wchar_t is an 8-bit type.

## ◆ JUCE_NATIVE_WCHAR_IS_UTF16

#define JUCE_NATIVE_WCHAR_IS_UTF16 0

This macro will be set to 1 if the compiler's native wchar_t is a 16-bit type.

## ◆ JUCE_NATIVE_WCHAR_IS_UTF32

#define JUCE_NATIVE_WCHAR_IS_UTF32 1

This macro will be set to 1 if the compiler's native wchar_t is a 32-bit type.

## ◆ TRANS

#define TRANS | ( |  | stringLiteral | ) | juce::translate (stringLiteral)

Uses the LocalisedStrings class to translate the given string literal.

This macro is provided for backwards-compatibility, and just calls the translate() function. In new code, it's recommended that you just call translate() directly instead, and avoid using macros.

See also
  translate(), LocalisedStrings

Referenced by StandalonePluginHolder::askUserToLoadState(), StandalonePluginHolder::askUserToSaveState(), and StandalonePluginHolder::showAudioSettingsDialog().

## ◆ NEEDS_TRANS

#define NEEDS_TRANS | ( |  | stringLiteral | ) | (stringLiteral)

A dummy version of the TRANS macro, used to indicate a string literal that should be added to the translation file by source-code scanner tools.

Wrapping a string literal in this macro has no effect, but by using it around strings that your app needs to translate at a later stage, it lets automatic code-scanning tools find this string and add it to the list of strings that need translation.

## Typedef Documentation

## ◆ juce_wchar

using juce_wchar = wchar_t

A platform-independent 32-bit unicode character type.

## Function Documentation

## ◆ translate() [1/4]

JUCE_API String translate | ( | const String & | stringLiteral | ) |

Uses the LocalisedStrings class to translate the given string literal.

See also
  LocalisedStrings

## ◆ translate() [2/4]

JUCE_API String translate | ( | const char * | stringLiteral | ) |

Uses the LocalisedStrings class to translate the given string literal.

See also
  LocalisedStrings

## ◆ translate() [3/4]

JUCE_API String translate | ( | CharPointer_UTF8 | stringLiteral | ) |

Uses the LocalisedStrings class to translate the given string literal.

See also
  LocalisedStrings

## ◆ translate() [4/4]

JUCE_API String translate | ( | const String & | stringLiteral,
|  | const String & | resultIfNotFound )

Uses the LocalisedStrings class to translate the given string literal.

See also
  LocalisedStrings

## ◆ operator<<() [1/21]

String & operator<< | ( | String & | string1,
|  | const NewLine & | )

Writes a new-line sequence to a string.

You can use the predefined object 'newLine' to invoke this, e.g.

myString << "Hello World" << newLine << newLine;
newLine
NewLine newLine
A predefined object representing a new-line, which can be written to a string or stream.

References NewLine::getDefault().

## ◆ operator+=()

String & operator+= | ( | String & | s1,
|  | const NewLine & | )

References NewLine::getDefault().

## ◆ operator+() [1/17]

String operator+ | ( | const NewLine & | ,
|  | const NewLine & | )

References NewLine::getDefault().

## ◆ operator+() [2/17]

String operator+ | ( | String | s1,
|  | const NewLine & | )

References NewLine::getDefault().

## ◆ operator+() [3/17]

String operator+ | ( | const NewLine & | ,
|  | const char * | s2 )

References NewLine::getDefault().

## ◆ operator+() [4/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | const char * | string1,
|  | const String & | string2 )

Concatenates two strings.

## ◆ operator+() [5/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | const wchar_t * | string1,
|  | const String & | string2 )

Concatenates two strings.

## ◆ operator+() [6/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | char | string1,
|  | const String & | string2 )

Concatenates two strings.

## ◆ operator+() [7/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | wchar_t | string1,
|  | const String & | string2 )

Concatenates two strings.

## ◆ operator+() [8/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | const String & | string2 )

Concatenates two strings.

## ◆ operator+() [9/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | const char * | string2 )

Concatenates two strings.

## ◆ operator+() [10/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | const wchar_t * | string2 )

Concatenates two strings.

## ◆ operator+() [11/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | const std::string & | string2 )

Concatenates two strings.

## ◆ operator+() [12/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | char | characterToAppend )

Concatenates two strings.

## ◆ operator+() [13/17]

JUCE_API String JUCE_CALLTYPE operator+ | ( | String | string1,
|  | wchar_t | characterToAppend )

Concatenates two strings.

## ◆ operator<<() [2/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | char | characterToAppend )

Appends a character at the end of a string.

## ◆ operator<<() [3/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | wchar_t | characterToAppend )

Appends a character at the end of a string.

## ◆ operator<<() [4/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | const char * | string2 )

Appends a string to the end of the first one.

## ◆ operator<<() [5/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | const wchar_t * | string2 )

Appends a string to the end of the first one.

## ◆ operator<<() [6/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | const String & | string2 )

Appends a string to the end of the first one.

## ◆ operator<<() [7/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | StringRef | string2 )

Appends a string to the end of the first one.

## ◆ operator<<() [8/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | const std::string & | string2 )

Appends a string to the end of the first one.

## ◆ operator<<() [9/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | uint8 | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [10/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | short | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [11/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | int | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [12/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | long | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [13/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | unsigned long | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [14/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | int64 | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [15/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | uint64 | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [16/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | float | number )

Appends a decimal number to the end of a string.

## ◆ operator<<() [17/21]

JUCE_API String &JUCE_CALLTYPE operator<< | ( | String & | string1,
|  | double | number )

Appends a decimal number to the end of a string.

## ◆ operator==() [1/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | const String & | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator==() [2/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | const char * | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator==() [3/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | const wchar_t * | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator==() [4/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | CharPointer_UTF8 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator==() [5/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | CharPointer_UTF16 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator==() [6/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | CharPointer_UTF32 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [1/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | const String & | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [2/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | const char * | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [3/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | const wchar_t * | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [4/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | CharPointer_UTF8 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [5/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | CharPointer_UTF16 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [6/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | CharPointer_UTF32 | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator<<() [18/21]

template<class traits >

std::basic_ostream< char, traits > &JUCE_CALLTYPE operator<< | ( | std::basic_ostream< char, traits > & | stream,
|  | const String & | stringToWrite )

This operator allows you to write a juce String directly to std output streams.

This is handy for writing strings to std::cout, std::cerr, etc.

References String::toRawUTF8().

## ◆ operator<<() [19/21]

template<class traits >

std::basic_ostream< wchar_t, traits > &JUCE_CALLTYPE operator<< | ( | std::basic_ostream< wchar_t, traits > & | stream,
|  | const String & | stringToWrite )

This operator allows you to write a juce String directly to std output streams.

This is handy for writing strings to std::wcout, std::wcerr, etc.

References String::toWideCharPointer().

## ◆ operator<<() [20/21]

JUCE_API OutputStream &JUCE_CALLTYPE operator<< | ( | OutputStream & | stream,
|  | const String & | stringToWrite )

Writes a string to an OutputStream as UTF8.

## ◆ operator<<() [21/21]

JUCE_API OutputStream &JUCE_CALLTYPE operator<< | ( | OutputStream & | stream,
|  | StringRef | stringToWrite )

Writes a string to an OutputStream as UTF8.

## ◆ operator==() [7/7]

JUCE_API bool JUCE_CALLTYPE operator== | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator!=() [7/7]

JUCE_API bool JUCE_CALLTYPE operator!= | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator<()

JUCE_API bool JUCE_CALLTYPE operator< | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator<=()

JUCE_API bool JUCE_CALLTYPE operator<= | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator>()

JUCE_API bool JUCE_CALLTYPE operator> | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator>=()

JUCE_API bool JUCE_CALLTYPE operator>= | ( | const String & | string1,
|  | StringRef | string2 )
| noexcept

Case-sensitive comparison of two strings.

## ◆ operator+() [14/17]

String operator+ | ( | String | s1,
|  | StringRef | s2 )

References StringRef::text.

## ◆ operator+() [15/17]

String operator+ | ( | StringRef | s1,
|  | const String & | s2 )

References StringRef::text.

## ◆ operator+() [16/17]

String operator+ | ( | const char * | s1,
|  | StringRef | s2 )

References StringRef::text.

## ◆ operator+() [17/17]

String operator+ | ( | StringRef | s1,
|  | const char * | s2 )

References StringRef::text.

## Variable Documentation

## ◆ newLine

NewLine newLine
| extern

A predefined object representing a new-line, which can be written to a string or stream.

To write a new-line to a stream, you can use the predefined 'newLine' variable like this:

myOutputStream << "Hello World" << newLine << newLine;

Referenced by CppTokeniserFunctions::writeEscapeChars().