Vanilla.PDF  1.4.1
Cross-platform toolkit for creating and modifying PDF documents
c_null_object.h
Go to the documentation of this file.
1 #ifndef _C_NULL_OBJECT_H
2 #define _C_NULL_OBJECT_H
3 
4 #include "vanillapdf/c_export.h"
5 #include "vanillapdf/c_handles.h"
6 #include "vanillapdf/c_values.h"
7 
8 #ifdef __cplusplus
9 extern "C"
10 {
11 #endif
12 
33  VANILLAPDF_API error_type CALLING_CONVENTION NullObject_Create(NullObjectHandle** result);
34 
38  VANILLAPDF_API error_type CALLING_CONVENTION NullObject_ToObject(NullObjectHandle* handle, ObjectHandle** result);
39 
43  VANILLAPDF_API error_type CALLING_CONVENTION NullObject_FromObject(ObjectHandle* handle, NullObjectHandle** result);
44 
48  VANILLAPDF_API error_type CALLING_CONVENTION NullObject_Release(NullObjectHandle* handle);
49 
52 #ifdef __cplusplus
53 };
54 #endif
55 
56 #endif /* _C_NULL_OBJECT_H */
NullObjectHandle
Used as missing value.
NullObjectHandle::NullObject_ToObject
error_type NullObject_ToObject(NullObjectHandle *handle, ObjectHandle **result)
Reinterpret current object as ObjectHandle.
c_handles.h
This file contains all type forward declarations returned by the library API.
NullObjectHandle::NullObject_Release
error_type NullObject_Release(NullObjectHandle *handle)
Decrement the internal reference counter.
NullObjectHandle::NullObject_Create
error_type NullObject_Create(NullObjectHandle **result)
Creates a new NullObject instance.
ObjectHandle
Base class for syntactic tokens.
error_type
uint32_t error_type
This is return value type of all API functions.
Definition: c_types.h:25
c_export.h
This file contains macro declarations for importing and exporting symbols from library boundaries...
c_values.h
This file contains types and constants used as parameters or return values.
NullObjectHandle::NullObject_FromObject
error_type NullObject_FromObject(ObjectHandle *handle, NullObjectHandle **result)
Convert ObjectHandle to NullObjectHandle.