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Merge branch 'doc/minor_cxx_additions' into 'master'

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doc: small changes for cxx code style

See merge request espressif/esp-idf!7210
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Ivan Grokhotkov 2020-01-15 11:36:40 +08:00
parent 5f803b8283 9a10c1bccd
commit da8c06eafc
1 changed files with 30 additions and 2 deletions
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32
docs/en/contribute/style-guide.rst
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@ -194,7 +194,7 @@ The same rules as for C apply. Where they are not enough, apply the following ru
File Naming
^^^^^^^^^^^^
C++ Header files have the extension ``.h``. C++ source files have the extension ``.cpp``, which is important for the compiler to distiguish them from normal C source files.
C++ Header files have the extension ``.hpp``. C++ source files have the extension ``.cpp``. The latter is important for the compiler to distiguish them from normal C source files.
Naming
^^^^^^
@ -202,11 +202,39 @@ Naming
* **Class and struct** names shall be written in ``CamelCase`` with a capital letter as beginning. Member variables and methods shall be in ``snake_case``.
* **Namespaces** shall be in lower ``snake_case``.
* **Templates** are specified in the line above the function declaration.
* Interfaces in terms of Object-Oriented Programming shall be named without the suffix ``...Interface``. Later, this makes it easier to extract interfaces from normal classes and vice versa without making a breaking change.
Member Order in Classes
^^^^^^^^^^^^^^^^^^^^^^^
In order of precedence:
First put the public members, then the protected, then private ones. Omit public, protected or private sections without any members.
* First put the public members, then the protected, then private ones. Omit public, protected or private sections without any members.
* First put constructors/destructors, then member functions, then member variables.
For example:
::
class ForExample {
public:
// first constructors, then default constructor, then destructor
ForExample(double example_factor_arg);
ForExample();
~ForExample();
// then remaining pubic methods
set_example_factor(double example_factor_arg);
// then public member variables
uint32_t public_data_member;
private:
// first private methods
void internal_method();
// then private member variables
double example_factor;
};
Spacing
^^^^^^^