1698 lines
49 KiB
Plaintext
1698 lines
49 KiB
Plaintext
Chromium Embedded Framework (CEF) Translator Tool -- translator.py
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-------------------------------------------------------------------------------
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Document Last Updated: February 14, 2012
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OVERVIEW
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--------
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The CEF translator tool automatically generates CEF source code based on the
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contents of the CEF header file (cef.h). The generated source code includes the
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main C API header file (cef_capi.h) and all files in the libcef_dll/cpptoc and
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libcef_dll/ctocpp directories.
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If any differences are detected between the new translator-generated output and
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the file that currently exists on disk a backup of the existing file will be
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created before the new file is written (this behavior can be controlled using
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a command-line switch -- see 'translator.py -h' for more information). Header
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files (*.h) are completely generated by the translator and should never be
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edited by hand. Implementation files (*.cc) may contain user-created content
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within method and function body blocks. The user-created content is extracted
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from the existing file and inserted into the new translator-generated file. Any
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differences between existing method/function prototypes and new method/function
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prototypes in manually edited implementations will be noted as a warning in new
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output file.
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// WARNING - CHANGED ATTRIBUTES
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// REMOVED: const wchar_t* key
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// ADDED: int index
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// WARNING - CHANGED RETURN VALUE
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// WAS: void
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// NOW: int
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#pragma message("Warning: " __FILE__ ": MyFunction prototype has changed")
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Auto-generated implementations will be added in the new output file for any
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methods/functions that exist in the CEF header file but did not exist in the
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current on-disk implementation file. Each time the translator re-generates the
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implementation file it will warn if an implementation could not be auto-
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generated. Delete the indicated portion of the generated code after adding the
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implementation manually.
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size_t CEF_CALLBACK frame_new_func(struct _cef_frame_t* self)
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{
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// BEGIN DELETE BEFORE MODIFYING
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// AUTO-GENERATED CONTENT
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#pragma message("Warning: " __FILE__ ": frame_new_func is not implemented")
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// END DELETE BEFORE MODIFYING
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}
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If the complete function or method implementation has been auto-generated the
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body of the function or method will contain the following comment.
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// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
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If you edit the implementation manually you should remove this comment so that
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CEF will not discard your changes on the next run of the translator tool.
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The 'translator.[bat|sh]' file can be used to run the translator tool with
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command- line arguments that match the default CEF directory structure and
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output options. Run 'translator.py -h' for a complete list of available command-
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line arguments.
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HEADER ATTRIBUTES
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-----------------
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Comment-based attribute tags are added before each function, class and method
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definition in the CEF header file to provide the translator with additional
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information about how the output should be generated. The attribute tags must
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be in the form of a comma-delimited list of name=value pairs. Attribute names
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and values must contain only alpha-numeric characters, numbers and underscores,
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and must all exist on a single line.
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/*--cef(name1=value1,name2=value2,name3=value3)--*/
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Supported method/function attributes:
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capi_name=[string] (Optional) Force a specific output name for the
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resulting C API function.
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optional_param=[param] (Optional) Parameter name that will be optional
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instead of required.
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index_param=[param] (Optional) Parameter name representing an index
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value that will be verified as >= 0.
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default_retval=[string] (Required for enumeration types, Optional for other
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types) Specify the default return value.
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count_func=[param:func] (Required for non-const non-string std::vector
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types) Specify the C++ function that returns the
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count of elements for a vector parameter.
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api_hash_check (Optional) If set an API hash check will be added
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to the CToCpp version of the method/function.
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Supported class attributes:
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source=[library|client] (Required) Indicates whether the class
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implementation is provided by the library or the
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client. This effects the generation of guard
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blocks in the cpptoc and ctocpp header files.
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no_debugct_check (Optional) If set the debug reference count
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of the object will not be checked on shutdown.
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TRANSLATION RULES
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-----------------
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All C++ names in the CEF header file are written in CamelCaps format and all
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C API translations are generated in lowercase_underscore format.
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Translating Classes and Methods
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-------------------------------
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Class names and global function names must be prefixed with the 'Cef' string.
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Global function translation
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C++: void CefShutdown()
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C API: void cef_shutdown()
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The translation of a C++ class name to a C API structure name is prefixed with
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'_' and postfixed with '_t'. A typedef of the C API structure to a value
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without the prefixed '_' is also provided and may be used interchangeably.
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Class name translation
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C++: class CefPostData
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C API: typedef struct _cef_post_data_t { ... } cef_post_data_t
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The translation of a C++ virtual class method to a C API member function adds a
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'self' structure pointer as the first parameter. This will always be a pointer
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to the structure that contains the member function.
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Virtual method translation
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C++: virtual void SetFocus(bool enable)
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C API: void set_focus(struct _cef_browser_t* self, int enable)
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The translation of a C++ static class method to a C API global function
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is prefixed with 'cef_classname_' where 'classname' is the
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lowercase_underscore name of the class that contains the static method. Any
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repeat of 'classname' in the function name is removed.
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Static method translation
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C++: static CefRefPtr<CefRequest> CreateRequest()
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C API: struct _cef_request_t* cef_request_create()
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Implementation of the wrapper method/function body is generally formatted as
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follows.
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Static/Global CppToC (without Return):
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CEF_EXPORT void cef_function(capi_params)
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{
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// Parameter Verification (Optional)
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// Verify the C parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C parameter values to C++ parameter values.
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// ...
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// Execution
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CefFunction(cpp_arams);
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// Parameter Restoration (Optional)
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// Retore the C parameter values if changed.
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// ...
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}
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Static/Global CppToC (with Return):
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CEF_EXPORT capi_retval cef_function(capi_params)
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{
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// Parameter Verification (Optional)
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// Verify the C parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C parameter values to C++ parameter values.
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// ...
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// Execution
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cpp_retval _rv = CefFunction(cpp_params);
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// Parameter Restoration (Optional)
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// Restore the C parameter values if changed.
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// ...
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// Return Translation
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// Convert the C++ return value to a C return value.
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return ...;
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}
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Static/Global CToCpp (without Return):
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void CefFunction(cpp_params)
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{
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// Parameter Verification (Optional)
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// Verify the C++ parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C++ parameter values to C parameter values.
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// ...
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// Execution
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cef_function(capi_params);
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// Parameter Restoration (Optional)
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// Restore the C++ parameter values if changed.
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// ...
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}
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Static/Global CToCpp (with Return):
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cpp_retval CefFunction(cpp_params)
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{
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// Parameter Verification (Optional)
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// Verify the C++ parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C++ parameter values to C parameter values.
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// ...
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// Execution
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capi_retval _rv = cef_function(capi_params);
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// Parameter Restoration (Optional)
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// Restore the C++ parameter values if changed.
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// ...
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// Return Translation
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// Convert the C return value to a C++ return value.
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return ...;
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}
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Member CppToC (without Return):
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CEF_CALLBACK void class_function(cef_class_t* self, capi_params)
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{
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// Parameter Verification.
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// Verify the C parameter values.
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DCHECK(self);
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DCHECK(...);
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if (!self || ...)
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return;
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// Parameter Translation (Optional)
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// Convert the C parameter values to C++ parameter values.
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// ...
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// Execution
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CefClassCppToC::Get(self)->CefFunction(cpp_params);
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// Parameter Restoration (Optional)
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// Restore the C parameter values if changed.
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// ...
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}
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Member CppToC (with Return):
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CEF_CALLBACK capi_retval class_function(cef_class_t* self, capi_params)
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{
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// Parameter Verification.
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// Verify the C parameter values.
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DCHECK(self);
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DCHECK(...);
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if (!self || ...)
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return default_retval; // Configured or defaulted automatically.
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// Parameter Translation (Optional)
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// Convert the C parameter values to C++ parameter values.
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// ...
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// Execution
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cpp_retval _rv = CefClassCppToC::Get(self)->CefFunction(cpp_params);
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// Parameter Restoration (Optional)
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// Restore the C parameter values if changed.
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// ...
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// Return Translation
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// Convert the C++ return value to a C return value.
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return ...;
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}
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Member CToCpp (without Return):
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void CefClassCToCpp::Function(cpp_params)
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{
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// Structure Verification
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if (CEF_MEMBER_MISSING(struct_, function))
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return;
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// Parameter Verification (Optional)
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// Verify the C++ parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C++ parameter values to C parameter values.
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// ...
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// Execution
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struct_->class_function(struct_, capi_params);
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// Parameter Restoration (Optional)
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// Restore the C++ parameter values if changed.
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// ...
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}
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Member CToCpp (with Return):
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cpp_retval CefClassCToCpp::Function(cpp_params)
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{
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// Structure Verification
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if (CEF_MEMBER_MISSING(struct_, function))
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return default_retval; // Configured or defaulted automatically.
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// Parameter Verification (Optional)
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// Verify the C++ parameter values.
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// ...
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// Parameter Translation (Optional)
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// Convert C++ parameter values to C parameter values.
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// ...
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// Execution
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capi_retval _rv = struct_->class_function(struct_, capi_params);
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// Parameter Restoration (Optional)
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// Restore the C++ parameter values if changed.
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// ...
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// Return Translation
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// Convert the C return value to a C++ return value.
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return ...;
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}
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Translating Data Types
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----------------------
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Data types that are available in both C++ and C are left unchanged. This
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includes the 'double', 'int', 'long', 'size_t' and 'void' basic types. Other
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data types have differing levels of support as indicated below. The translation
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tool will terminate with an exception if it encounters a data type that it
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cannot translate.
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Parameters:
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Simple/enumeration type by value (simple_byval):
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C++: int value
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C API: int value
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// CppToC Example
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CEF_EXPORT void cef_function(int value)
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{
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// Execution
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CefFunction(value);
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}
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// CToCpp Example
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void CefFunction(int value)
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{
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// Execution
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cef_function(value);
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}
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Simple/enumeration type by reference (simple_byref):
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C++: int& value
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C API: int* value
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// CppToC Example
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CEF_EXPORT void cef_function(int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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int valueVal = value?*value:0;
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// Execution
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CefFunction(valueVal);
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// Parameter Restoration
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if (value)
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*value = valueVal;
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}
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// CToCpp Example
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void CefFunction(int& value)
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{
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// Execution
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cef_function(&value);
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}
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Simple/enumeration const type by reference (simple_byref_const):
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C++: const int& value
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C API: const int* value
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// CppToC Example
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CEF_EXPORT void cef_function(const int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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int valueVal = value?*value:0;
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// Execution
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CefFunction(valueVal);
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}
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// CToCpp Example
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void CefFunction(const int& value)
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{
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// Execution
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cef_function(&value);
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}
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Simple/enumeration type by address (simple_byaddr):
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C++: int* value
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C API: int* value
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// CppToC Example
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CEF_EXPORT void cef_function(int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Execution
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CefFunction(value);
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}
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// CToCpp Example
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void CefFunction(int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Execution
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cef_function(value);
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}
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Boolean type by value (bool_byval):
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C++: bool value
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C API: int value
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// CppToC Example
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CEF_EXPORT void cef_function(int value)
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{
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// Execution
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CefFunction(value?true:false);
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}
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// CToCpp Example
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void CefFunction(bool value)
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{
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// Execution
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cef_function(value);
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}
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Boolean type by reference (bool_byref):
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C++: bool& value
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C API: int* value
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// CppToC Example
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CEF_EXPORT void cef_function(int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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bool valueBool = (value && *value)?true:false;
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// Execution
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CefFunction(valueBool);
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// Parameter Restoration
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if (value)
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*value = valueBool?true:false;
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}
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// CToCpp Example
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void CefFunction(bool& value)
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{
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// Parameter Translation
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int valueInt = value;
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// Execution
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cef_function(&valueInt);
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// Parameter Restoration
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value = valueInt?true:false;
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}
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Boolean type by address (bool_byaddr):
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C++: bool* value
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C API: int* value
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// CppToC Example
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CEF_EXPORT void cef_function(int* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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bool valueBool = (value && *value)?true:false;
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// Execution
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CefFunction(&valueBool);
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// Parameter Restoration
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if (value)
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*value = valueBool?true:false;
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}
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// CToCpp Example
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void CefFunction(bool* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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int valueInt = value?*value:0;
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// Execution
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cef_function(&valueInt);
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// Parameter Restoration
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if (value)
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*value = valueInt?true:false;
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}
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Structure const type by reference (struct_byref_const):
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C++: const CefPopupFeatures& value
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C API: const cef_popup_features_t* value
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// CppToC Example
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CEF_EXPORT void cef_function(const cef_popup_features_t* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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CefPopupFeatures valueObj;
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// Reference the existing values instead of copying.
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if (value)
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valueObj.Set(*value, false);
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// Execution
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CefFunction(valueObj);
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}
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// CToCpp Example
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void CefFunction(const CefPopupFeatures& value)
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{
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// Execution
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cef_function(&value);
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}
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Structure non-const type by reference (struct_byref):
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C++: CefWindowInfo& value
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C API: cef_window_info_t* value
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// CppToC Example
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CEF_EXPORT void cef_function(cef_window_info_t* value)
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{
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// Parameter Verification
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DHECK(value);
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if (!value)
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return;
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// Parameter Translation
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CefWindowInfo valueObj;
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// Take ownership of the values.
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if (value)
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valueObj.AttachTo(*value);
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// Execution
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CefFunction(valueObj);
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// Parameter Restoration
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// Return the values to the structure.
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if (value)
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valueObj.DetachTo(*value);
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}
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// CToCpp Example
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void CefFunction(CefWindowInfo& value)
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{
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// Execution
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cef_function(&value);
|
|
}
|
|
|
|
String const type by reference (string_byref_const):
|
|
C++: const CefString& value
|
|
C API: const cef_string_t* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(const cef_string_t* value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Execution
|
|
CefFunction(CefString(value));
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const CefString& value)
|
|
{
|
|
// Execution
|
|
cef_function(value.GetStruct());
|
|
}
|
|
|
|
String non-const type by reference (string_byref):
|
|
C++: CefString& value
|
|
C API: cef_string_t* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_t* value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
CefString valueStr(value);
|
|
|
|
// Execution
|
|
CefFunction(valueStr);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(CefString& value)
|
|
{
|
|
// Execution
|
|
cef_function(value.GetWritableStruct());
|
|
}
|
|
|
|
Smart pointer type same boundary side (refptr_same):
|
|
C++: CefRefPtr<CefBrowser> value
|
|
C API: cef_browser_t* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_browser_t* value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Execution
|
|
CefFunction(CefBrowserCppToC::Unwrap(value));
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(CefRefPtr<CefBrowser> value)
|
|
{
|
|
// Execution
|
|
cef_function(CefBrowserCToCpp::Unwrap(value));
|
|
}
|
|
|
|
Smart pointer type same boundary side by reference (refptr_same_byref):
|
|
C++: CefRefPtr<CefClient>& value
|
|
C API: cef_client_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_client_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
CefRefPtr<CefClient> valuePtr;
|
|
if (value && *value)
|
|
valuePtr = CefClientCppToC::Unwrap(*value);
|
|
CefClient* valueOrig = valuePtr.get();
|
|
|
|
// Execution
|
|
CefFunction(valuePtr);
|
|
|
|
// Parameter Restoration
|
|
if (value) {
|
|
if (valuePtr.get()) {
|
|
if (valuePtr.get() != valueOrig) {
|
|
// The value has been changed.
|
|
*value = CefClientCppToC::Wrap(valuePtr);
|
|
}
|
|
} else {
|
|
*value = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(CefRefPtr<CefClient>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_client_t* valueStruct = NULL;
|
|
if(value.get())
|
|
valueStruct = CefClientCToCpp::Unwrap(value);
|
|
cef_client_t* valueOrig = valueStruct;
|
|
|
|
// Execution
|
|
cef_function(valueStuct);
|
|
|
|
// Parameter Restoration
|
|
if (valueStruct) {
|
|
if (valueStruct != valueOrig) {
|
|
// The value was changed.
|
|
value = CefClientCToCpp::Wrap(valueStruct);
|
|
}
|
|
} else {
|
|
value = NULL;
|
|
}
|
|
}
|
|
|
|
Smart pointer type different boundary side (refptr_diff):
|
|
C++: CefRefPtr<CefBrowser> value
|
|
C API: cef_browser_t* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_browser_t* value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Execution
|
|
CefFunction(CefBrowserCToCpp::Wrap(value));
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(CefRefPtr<CefBrowser> value)
|
|
{
|
|
// Execution
|
|
cef_function(CefBrowserCppToC::Wrap(value));
|
|
}
|
|
|
|
Smart pointer type different boundary side by reference (refptr_diff_byref):
|
|
C++: CefRefPtr<CefClient>& value
|
|
C API: cef_client_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_client_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
CefRefPtr<CefClient> valuePtr;
|
|
if (value && *value)
|
|
valuePtr = CefClientCToCpp::Wrap(*value);
|
|
CefClient* valueOrig = valuePtr.get();
|
|
|
|
// Execution
|
|
CefFunction(valuePtr);
|
|
|
|
// Parameter Restoration
|
|
if (value) {
|
|
if (valuePtr.get()) {
|
|
if (valuePtr.get() != valueOrig) {
|
|
// The value has been changed.
|
|
*value = CefClientCToCpp::Unwrap(valuePtr);
|
|
}
|
|
} else {
|
|
*value = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(CefRefPtr<CefClient>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_client_t* valueStruct = NULL;
|
|
if(value.get())
|
|
valueStruct = CefClientCppToC::Wrap(value);
|
|
cef_client_t* valueOrig = valueStruct;
|
|
|
|
// Execution
|
|
cef_function(valueStuct);
|
|
|
|
// Parameter Restoration
|
|
if (valueStruct) {
|
|
if (valueStruct != valueOrig) {
|
|
// The value was changed.
|
|
value = CefClientCppToC::Unwrap(valueStruct);
|
|
}
|
|
} else {
|
|
value = NULL;
|
|
}
|
|
}
|
|
|
|
String vector type by reference (string_vec_byref):
|
|
C++: std::vector<CefString>& value
|
|
C API: cef_string_list_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_list_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefString> valueList;
|
|
transfer_string_list_contents(value, valueList);
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
|
|
// Parameter Restoration
|
|
cef_string_list_clear(value);
|
|
transfer_string_list_contents(valueList, value);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::vector<CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_list_t valueList = cef_string_list_alloc();
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
transfer_string_list_contents(value, valueList);
|
|
|
|
// Execution
|
|
cef_function(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList) {
|
|
value.clear();
|
|
transfer_string_list_contents(valueList, value);
|
|
cef_string_list_free(valueList);
|
|
}
|
|
}
|
|
|
|
String vector const type by reference (string_vec_byref_const):
|
|
C++: const std::vector<CefString>& value
|
|
C API: cef_string_list_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_list_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefString> valueList;
|
|
transfer_string_list_contents(value, valueList);
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::vector<CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_list_t valueList = cef_string_list_alloc();
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
transfer_string_list_contents(value, valueList);
|
|
|
|
// Execution
|
|
cef_function(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList)
|
|
cef_string_list_free(valueList);
|
|
}
|
|
|
|
String-to-string single map type by reference (string_map_single_byref):
|
|
C++: std::map<CefString,CefString>& value
|
|
C API: cef_string_map_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_map_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::map<CefString,CefString> valueMap;
|
|
transfer_string_map_contents(value, valueMap);
|
|
|
|
// Execution
|
|
CefFunction(valueMap);
|
|
|
|
// Parameter Restoration
|
|
cef_string_map_clear(value);
|
|
transfer_string_map_contents(valueMap, value);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::map<CefString,CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_map_t valueMap = cef_string_map_alloc();
|
|
DCHECK(valueMap);
|
|
if (valueMap)
|
|
transfer_string_map_contents(value, valueMap);
|
|
|
|
// Execution
|
|
cef_function(valueMap);
|
|
|
|
// Parameter Restoration
|
|
if (valueMap) {
|
|
value.clear();
|
|
transfer_string_map_contents(valueMap, value);
|
|
cef_string_map_free(valueMap);
|
|
}
|
|
}
|
|
|
|
String-to-string single map const type by reference
|
|
(string_map_single_byref_const):
|
|
C++: const std::map<CefString,CefString>& value
|
|
C API: cef_string_map_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_map_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::map<CefString,CefString> valueMap;
|
|
transfer_string_map_contents(value, valueMap);
|
|
|
|
// Execution
|
|
CefFunction(valueMap);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::map<CefString,CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_map_t valueMap = cef_string_map_alloc();
|
|
DCHECK(valueMap);
|
|
if (valueMap)
|
|
transfer_string_map_contents(value, valueMap);
|
|
|
|
// Execution
|
|
cef_function(valueMap);
|
|
|
|
// Parameter Restoration
|
|
if (valueMap)
|
|
cef_string_map_free(valueMap);
|
|
}
|
|
|
|
String-to-string multi map type by reference (string_map_multi_byref):
|
|
C++: std::multimap<CefString,CefString>& value
|
|
C API: cef_string_multimap_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_multimap_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::multimap<CefString,CefString> valueMultimap;
|
|
transfer_string_multimap_contents(value, valueMultimap);
|
|
|
|
// Execution
|
|
CefFunction(valueMultimap);
|
|
|
|
// Parameter Restoration
|
|
cef_string_multimap_clear(value);
|
|
transfer_string_multimap_contents(valueMultimap, value);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::multimap<CefString,CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_multimap_t valueMultimap = cef_string_multimap_alloc();
|
|
DCHECK(valueMultimap);
|
|
if (valueMultimap)
|
|
transfer_string_multimap_contents(value, valueMultimap);
|
|
|
|
// Execution
|
|
cef_function(valueMultimap);
|
|
|
|
// Parameter Restoration
|
|
if (valueMultimap) {
|
|
value.clear();
|
|
transfer_string_multimap_contents(valueMultimap, value);
|
|
cef_string_multimap_free(valueMultimap);
|
|
}
|
|
}
|
|
|
|
String-to-string multi map const type by reference
|
|
(string_map_multi_byref_const):
|
|
C++: const std::multimap<CefString,CefString>& value
|
|
C API: cef_string_multimap_t value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(cef_string_multimap_t value)
|
|
{
|
|
// Parameter Verification
|
|
DHECK(value);
|
|
if (!value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::multimap<CefString,CefString> valueMultimap;
|
|
transfer_string_multimap_contents(value, valueMultimap);
|
|
|
|
// Execution
|
|
CefFunction(valueMultimap);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::multimap<CefString,CefString>& value)
|
|
{
|
|
// Parameter Translation
|
|
cef_string_multimap_t valueMultimap = cef_string_multimap_alloc();
|
|
DCHECK(valueMultimap);
|
|
if (valueMultimap)
|
|
transfer_string_multimap_contents(value, valueMultimap);
|
|
|
|
// Execution
|
|
cef_function(valueMultimap);
|
|
|
|
// Parameter Restoration
|
|
if (valueMultimap)
|
|
cef_string_multimap_free(valueMultimap);
|
|
}
|
|
|
|
Simple/Enumeration vector non-const type by reference (simple_vec_byref):
|
|
C++: std::vector<int>& value
|
|
C API: size_t* valueCount, int* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t* valueCount, int* value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount && (*valueCount == 0 || value));
|
|
if (!valueCount || (*valueCount > 0 && !value))
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<int> valueList;
|
|
if (valueCount && *valueCount > 0 && value) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
valueList.push_back(value[i]);
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueCount && value) {
|
|
*valueCount = std::min(valueList.size(), *valueCount);
|
|
if (*valueCount > 0) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
value[i] = valueList[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::vector<int>& value)
|
|
{
|
|
// Parameter Translation
|
|
// Function identified by the "count_func" method attribute.
|
|
size_t valueSize = value.size();
|
|
size_t valueCount = std::max(GetFunctionCount(), valueSize);
|
|
int* valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
memset(valueList, 0, sizeof(int)*valueCount);
|
|
if (valueList && valueSize > 0) {
|
|
for (size_t i = 0; i < valueSize; ++i) {
|
|
valueList[i] = value[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(&valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
value.clear();
|
|
if (valueCount > 0 && valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
value.push_back(valueList[i]);
|
|
delete [] valueList;
|
|
}
|
|
}
|
|
|
|
Simple/Enumeration vector const type by reference (simple_vec_byref_const):
|
|
C++: const std::vector<int>& value
|
|
C API: size_t valueCount, int const* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t valueCount, int const* value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount == 0 || value);
|
|
if (valueCount > 0 && !value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<int> valueList;
|
|
if (valueCount > 0) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList.push_back(value[i]);
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::vector<int>& value)
|
|
{
|
|
// Parameter Translation
|
|
const size_t valueCount = value.size();
|
|
int* valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList[i] = value[i];
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList)
|
|
delete [] valueList;
|
|
}
|
|
|
|
Boolean vector non-const type by reference (bool_vec_byref):
|
|
C++: std::vector<bool>& value
|
|
C API: size_t* valueCount, int* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t* valueCount, int* value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount && (*valueCount == 0 || value));
|
|
if (!valueCount || (*valueCount > 0 && !value))
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<bool> valueList;
|
|
if (valueCount && *valueCount > 0 && value) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
valueList.push_back(value[i]?true:false);
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueCount && value) {
|
|
*valueCount = std::min(valueList.size(), *valueCount);
|
|
if (*valueCount > 0) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
value[i] = valueList[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
// Function identified by the "count_func" method attribute.
|
|
size_t valueSize = value.size();
|
|
size_t valueCount = std::max(GetFunctionCount(), valueSize);
|
|
int* valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
memset(valueList, 0, sizeof(int)*valueCount);
|
|
if (valueList && valueSize > 0) {
|
|
for (size_t i = 0; i < valueSize; ++i) {
|
|
valueList[i] = value[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(&valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
value.clear();
|
|
if (valueCount > 0 && valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
value.push_back(valueList[i]?true:false);
|
|
delete [] valueList;
|
|
}
|
|
}
|
|
|
|
Boolean vector const type by reference (bool_vec_byref_const):
|
|
C++: const std::vector<bool>& value
|
|
C API: size_t valueCount, int const* value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t valueCount, int const* value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount == 0 || value);
|
|
if (valueCount > 0 && !value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<bool> valueList;
|
|
if (valueCount > 0) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList.push_back(value[i]?true:false);
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
const size_t valueCount = value.size();
|
|
int* valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList)
|
|
if (valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList[i] = value[i];
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList)
|
|
delete [] valueList;
|
|
}
|
|
|
|
Smart pointer vector non-const type same boundary side by reference
|
|
(refptr_vec_same_byref):
|
|
C++: std::vector<CefRefPtr<CefPostDataElement>>& value
|
|
C API: size_t* valueCount, cef_post_data_element_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t* valueCount,
|
|
cef_post_data_element_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount && (*valueCount == 0 || value));
|
|
if (!valueCount || (*valueCount > 0 && !value))
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefRefPtr<CefPostDataElement>> valueList;
|
|
if (valueCount && *valueCount > 0 && value) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
valueList.push_back(CefPostDataElementCppToC::Unwrap(value[i]));
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueCount && value) {
|
|
*valueCount = std::min(valueList.size(), *valueCount);
|
|
if (*valueCount > 0) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
value[i] = CefPostDataElementCppToC::Wrap(valueList[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
// Function identified by the "count_func" method attribute.
|
|
size_t valueSize = value.size();
|
|
size_t valueCount = std::max(GetFunctionCount(), valueSize);
|
|
cef_post_data_element_t** valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new cef_post_data_element_t*[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
memset(valueList, 0, sizeof(cef_post_data_element_t*)*valueCount);
|
|
if (valueList && valueSize > 0) {
|
|
for (size_t i = 0; i < valueSize; ++i) {
|
|
valueList[i] = CefPostDataElementCToCpp::Unwrap(value[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(&valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
value.clear();
|
|
if (valueCount > 0 && valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
value.push_back(CefPostDataElementCToCpp::Wrap(valueList[i]));
|
|
delete [] valueList;
|
|
}
|
|
}
|
|
|
|
Smart pointer vector const type same boundary side by reference
|
|
(refptr_vec_same_byref_const):
|
|
C++: const std::vector<CefRefPtr<CefV8Value>>& value
|
|
C API: size_t valueCount, const cef_v8value_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t valueCount,
|
|
const cef_v8value_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount == 0 || value);
|
|
if (valueCount > 0 && !value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefRefPtr<CefV8Value>> valueList;
|
|
if (valueCount > 0) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList.push_back(CefV8ValueCppToC::Unwrap(value[i]));
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
const size_t valueCount = value.size();
|
|
cef_v8value_t** valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList[i] = CefV8ValueCToCpp::Unwrap(value[i]);
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList)
|
|
delete [] valueList;
|
|
}
|
|
|
|
Smart pointer vector non-const type different boundary side by reference
|
|
(refptr_vec_diff_byref):
|
|
C++: std::vector<CefRefPtr<CefPostDataElement>>& value
|
|
C API: size_t* valueCount, cef_post_data_element_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t* valueCount,
|
|
cef_post_data_element_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount && (*valueCount == 0 || value));
|
|
if (!valueCount || (*valueCount > 0 && !value))
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefRefPtr<CefPostDataElement>> valueList;
|
|
if (valueCount && *valueCount > 0 && value) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
valueList.push_back(CefPostDataElementCToCpp::Wrap(value[i]));
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueCount && value) {
|
|
*valueCount = std::min(valueList.size(), *valueCount);
|
|
if (*valueCount > 0) {
|
|
for (size_t i = 0; i < *valueCount; ++i)
|
|
value[i] = CefPostDataElementCToCpp::Unwrap(valueList[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
// Function identified by the "count_func" method attribute.
|
|
size_t valueSize = value.size();
|
|
size_t valueCount = std::max(GetFunctionCount(), valueSize);
|
|
cef_post_data_element_t** valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new cef_post_data_element_t*[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList)
|
|
memset(valueList, 0, sizeof(cef_post_data_element_t*)*valueCount);
|
|
if (valueList && valueSize > 0) {
|
|
for (size_t i = 0; i < valueSize; ++i) {
|
|
valueList[i] = CefPostDataElementCppToC::Wrap(value[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(&valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
value.clear();
|
|
if (valueCount > 0 && valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
value.push_back(CefPostDataElementCppToC::Unwrap(valueList[i]));
|
|
delete [] valueList;
|
|
}
|
|
}
|
|
|
|
Smart pointer vector const type different boundary side by reference
|
|
(refptr_vec_diff_byref_const):
|
|
C++: const std::vector<CefRefPtr<CefV8Value>>& value
|
|
C API: size_t valueCount, const cef_v8value_t** value
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT void cef_function(size_t valueCount,
|
|
const cef_v8value_t** value)
|
|
{
|
|
// Parameter Verification
|
|
DCHECK(valueCount == 0 || value);
|
|
if (valueCount > 0 && !value)
|
|
return;
|
|
|
|
// Parameter Translation
|
|
std::vector<CefRefPtr<CefV8Value>> valueList;
|
|
if (valueCount > 0) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList.push_back(CefV8ValueCToCpp::Wrap(value[i]));
|
|
}
|
|
|
|
// Execution
|
|
CefFunction(valueList);
|
|
}
|
|
|
|
// CToCpp Example
|
|
void CefFunction(const std::vector<bool>& value)
|
|
{
|
|
// Parameter Translation
|
|
const size_t valueCount = value.size();
|
|
cef_v8value_t** valueList = NULL;
|
|
if (valueCount > 0) {
|
|
valueList = new int[valueCount];
|
|
DCHECK(valueList);
|
|
if (valueList) {
|
|
for (size_t i = 0; i < valueCount; ++i)
|
|
valueList[i] = CefV8ValueCppToC::Wrap(value[i]);
|
|
}
|
|
}
|
|
|
|
// Execution
|
|
cef_function(valueCount, valueList);
|
|
|
|
// Parameter Restoration
|
|
if (valueList)
|
|
delete [] valueList;
|
|
}
|
|
|
|
Return Values:
|
|
|
|
Simple/Enumeration type (simple):
|
|
C++: int
|
|
C API: int
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT int cef_function()
|
|
{
|
|
// Execution
|
|
int _rv = CefFunction();
|
|
|
|
// Return Translation
|
|
return _rv;
|
|
}
|
|
|
|
// CToCpp Example
|
|
int CefFunction()
|
|
{
|
|
// Execution
|
|
int _rv = cef_function();
|
|
|
|
// Return Translation
|
|
return _rv;
|
|
}
|
|
|
|
Boolean type (bool):
|
|
C++: bool
|
|
C API: int
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT int cef_function()
|
|
{
|
|
// Execution
|
|
bool _rv = CefFunction();
|
|
|
|
// Return Translation
|
|
return _rv;
|
|
}
|
|
|
|
// CToCpp Example
|
|
bool CefFunction()
|
|
{
|
|
// Execution
|
|
int _rv = cef_function();
|
|
|
|
// Return Translation
|
|
return _rv?true:false;
|
|
}
|
|
|
|
String non-const by reference type (string):
|
|
C++: CefString
|
|
C API: cef_string_userfree_t
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT cef_string_userfree_t cef_function()
|
|
{
|
|
// Execution
|
|
CefString _rv = CefFunction();
|
|
|
|
// Return Translation
|
|
return _rv.DetachToUserFree();
|
|
}
|
|
|
|
// CToCpp Example
|
|
CefString CefFunction()
|
|
{
|
|
// Execution
|
|
cef_string_userfree_t _rv = cef_function();
|
|
|
|
// Return Translation
|
|
CefString _rvStr;
|
|
_rvStr.AttachToUserFree(_rv);
|
|
return _rvStr;
|
|
}
|
|
|
|
Smart pointer type same boundary side (refptr_same):
|
|
C++: CefRefPtr<CefBrowser>
|
|
C API: cef_browser_t*
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT cef_browser_t* cef_function()
|
|
{
|
|
// Execution
|
|
CefRefPtr<CefBrowser> _rv = CefFunction();
|
|
|
|
// Return Translation
|
|
return CefBrowserCppToC::Wrap(_rv);
|
|
}
|
|
|
|
// CToCpp Example
|
|
CefString CefFunction()
|
|
{
|
|
// Execution
|
|
cef_browser_t* _rv = cef_function();
|
|
|
|
// Return Translation
|
|
return CefBrowserCToCpp::Wrap(_rv);
|
|
}
|
|
|
|
Smart pointer type different boundary side (refptr_diff):
|
|
C++: CefRefPtr<CefBrowser>
|
|
C API: cef_browser_t*
|
|
|
|
// CppToC Example
|
|
CEF_EXPORT cef_browser_t* cef_function()
|
|
{
|
|
// Execution
|
|
CefRefPtr<CefBrowser> _rv = CefFunction();
|
|
|
|
// Return Translation
|
|
return CefBrowserCToCpp::Unwrap(_rv);
|
|
}
|
|
|
|
// CToCpp Example
|
|
CefString CefFunction()
|
|
{
|
|
// Execution
|
|
cef_browser_t* _rv = cef_function();
|
|
|
|
// Return Translation
|
|
return CefBrowserCppToC::Unwrap(_rv);
|
|
}
|
|
|
|
|
|
Translating Comments
|
|
--------------------
|
|
|
|
Comments from the CEF header file are reproduced in the C API header file with
|
|
any referenced C++ types and terminology changed to reflect C API types and
|
|
terminology.
|
|
|
|
C++:
|
|
// Create a new CefV8Value object of the specified type. These methods
|
|
// should only be called from within the JavaScript context -- either in a
|
|
// CefV8Handler::Execute() callback or a CefHandler::HandleJSBinding()
|
|
// callback.
|
|
|
|
C API:
|
|
// Create a new cef_v8value_t object of the specified type. These functions
|
|
// should only be called from within the JavaScript context -- either in a
|
|
// cef_v8handler_t::execute() callback or a cef_handler_t::handle_jsbinding()
|
|
// callback.
|
|
|
|
Situations where the user is responsible for freeing strings allocated and
|
|
returned by the library are also noted by comments in the C API header file.
|
|
|
|
C API:
|
|
// The resulting string must be freed by calling cef_string_free().
|
|
|
|
A comment must occur immediately before the function, class or method that it
|
|
documents with no extra space in between. Comments may span multiple lines
|
|
but each line must start with the '//' comment identifier.
|
|
|
|
C++:
|
|
// Set focus for the browser window. If |enable| is true focus will be set
|
|
// to the window. Otherwise, focus will be removed.
|
|
/*--cef()--*/
|
|
virtual void SetFocus(bool enable) =0;
|
|
|
|
If two comments are separated by an empty line it will be assumed that the
|
|
higher comment represents a section header and additional space will be added
|
|
before it in the translated output.
|
|
|
|
C++:
|
|
// ARRAY METHODS - These methods are only available on arrays.
|
|
|
|
// Returns the number of elements in the array.
|
|
/*--cef()--*/
|
|
virtual int GetArrayLength() =0;
|
|
|
|
Empty lines and lines with the comment identifier but no content are considered
|
|
paragraph breaks for the purposes of wrapping the translated text. Any content
|
|
indented more than one space is reproduced as-is without content translation
|
|
or wrapping.
|
|
|
|
C++:
|
|
// Register a new V8 extension with the specified JavaScript extension code and
|
|
// handler. Functions implemented by the handler are prototyped using the
|
|
// keyword 'native'. The calling of a native function is restricted to the scope
|
|
// in which the prototype of the native function is defined.
|
|
//
|
|
// Example JavaScript extension code:
|
|
//
|
|
// // create the 'example' global object if it doesn't already exist.
|
|
// if (!example)
|
|
// example = {};
|