Generic Value List management

Data Structures

struct  _Eina_Value_List
 Used to store the list and its subtype. More...

Typedefs

typedef struct _Eina_Value_List Eina_Value_List
 Value type for EINA_VALUE_TYPE_LIST.

Functions

Eina_Valueeina_value_list_new (const Eina_Value_Type *subtype)
 Create generic value storage of type list.
static Eina_Bool eina_value_list_setup (Eina_Value *value, const Eina_Value_Type *subtype)
 Initialize generic value storage of type list.
static unsigned int eina_value_list_count (const Eina_Value *value)
 Query number of elements in value of list type.
static Eina_Bool eina_value_list_remove (Eina_Value *value, unsigned int position)
 Remove element at given position in value of list type.
static Eina_Bool eina_value_list_set (Eina_Value *value, unsigned int position,...)
 Set the generic value in an list member.
static Eina_Bool eina_value_list_get (const Eina_Value *value, unsigned int position,...)
 Get the generic value from an list member.
static Eina_Bool eina_value_list_insert (Eina_Value *value, unsigned int position,...)
 Insert the generic value in an list member position.
static Eina_Bool eina_value_list_append (Eina_Value *value,...)
 Append the generic value in an list.
static Eina_Bool eina_value_list_vset (Eina_Value *value, unsigned int position, va_list args)
 Set the generic value in an list member.
static Eina_Bool eina_value_list_vget (const Eina_Value *value, unsigned int position, va_list args)
 Get the generic value from an list member.
static Eina_Bool eina_value_list_vinsert (Eina_Value *value, unsigned int position, va_list args)
 Insert the generic value in an list member position.
static Eina_Bool eina_value_list_vappend (Eina_Value *value, va_list args)
 Append the generic value in an list.
static Eina_Bool eina_value_list_pset (Eina_Value *value, unsigned int position, const void *ptr)
 Set the generic value in an list member from pointer.
static Eina_Bool eina_value_list_pget (const Eina_Value *value, unsigned int position, void *ptr)
 Get the generic value to pointer from an list member.
static Eina_Bool eina_value_list_pinsert (Eina_Value *value, unsigned int position, const void *ptr)
 Insert the generic value in an list member position from pointer.
static Eina_Bool eina_value_list_pappend (Eina_Value *value, const void *ptr)
 Append the generic value in an list from pointer.

Typedef Documentation

Value type for EINA_VALUE_TYPE_LIST.

See also:
_Eina_Value_List explains fields.
Since:
1.2

Function Documentation

Eina_Value* eina_value_list_new ( const Eina_Value_Type subtype)

Create generic value storage of type list.

Parameters:
subtypehow to manage this list members.
Returns:
The new value or NULL on failure.

Create a new generic value storage of type list. The members are managed using the description specified by subtype.

On failure, NULL is returned and EINA_ERROR_OUT_OF_MEMORY or EINA_ERROR_VALUE_FAILED is set.

Note:
this creates from mempool and then uses eina_value_list_setup().
See also:
eina_value_free()
eina_value_list_setup()
Since:
1.2

References EINA_FALSE, eina_mempool_free(), eina_mempool_malloc(), EINA_SAFETY_ON_FALSE_RETURN_VAL, eina_value_list_setup(), and eina_value_type_check().

static Eina_Bool eina_value_list_setup ( Eina_Value value,
const Eina_Value_Type subtype 
) [inline, static]

Initialize generic value storage of type list.

Parameters:
valuevalue object
subtypehow to manage this list members.
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

Initializes new generic value storage of type list with the given subtype.

This is the same as calling eina_value_set() with EINA_VALUE_TYPE_LIST followed by eina_value_pset() with the Eina_Value_List description configured.

Note:
Existing contents are ignored! If the value was previously used, then use eina_value_flush() first.

On failure, EINA_FALSE is returned and EINA_ERROR_OUT_OF_MEMORY or EINA_ERROR_VALUE_FAILED is set.

See also:
eina_value_flush()
Since:
1.2

Referenced by eina_value_list_new().

static unsigned int eina_value_list_count ( const Eina_Value value) [inline, static]

Query number of elements in value of list type.

Parameters:
valuevalue object.
Returns:
number of child elements.
Since:
1.2
static Eina_Bool eina_value_list_remove ( Eina_Value value,
unsigned int  position 
) [inline, static]

Remove element at given position in value of list type.

Parameters:
valuevalue object.
positionindex of the member
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.
Since:
1.2
static Eina_Bool eina_value_list_set ( Eina_Value value,
unsigned int  position,
  ... 
) [inline, static]

Set the generic value in an list member.

Parameters:
valuesource value object
positionindex of the member
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The variable argument is dependent on chosen subtype. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char
  • EINA_VALUE_TYPE_USHORT: unsigned short
  • EINA_VALUE_TYPE_UINT: unsigned int
  • EINA_VALUE_TYPE_ULONG: unsigned long
  • EINA_VALUE_TYPE_UINT64: uint64_t
  • EINA_VALUE_TYPE_CHAR: char
  • EINA_VALUE_TYPE_SHORT: short
  • EINA_VALUE_TYPE_INT: int
  • EINA_VALUE_TYPE_LONG: long
  • EINA_VALUE_TYPE_INT64: int64_t
  • EINA_VALUE_TYPE_FLOAT: float
  • EINA_VALUE_TYPE_DOUBLE: double
  • EINA_VALUE_TYPE_STRINGSHARE: const char *
  • EINA_VALUE_TYPE_STRING: const char *
  • EINA_VALUE_TYPE_LIST: Eina_Value_List
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct
See also:
eina_value_list_get()
eina_value_list_vset()
eina_value_list_pset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_get ( const Eina_Value value,
unsigned int  position,
  ... 
) [inline, static]

Get the generic value from an list member.

Parameters:
valuesource value object
positionindex of the member
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The value is returned in the variable argument parameter, the actual value is type-dependent, but usually it will be what is stored inside the object. There shouldn't be any memory allocation, thus the contents should not be freed.

The variable argument is dependent on chosen subtype. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char*
  • EINA_VALUE_TYPE_USHORT: unsigned short*
  • EINA_VALUE_TYPE_UINT: unsigned int*
  • EINA_VALUE_TYPE_ULONG: unsigned long*
  • EINA_VALUE_TYPE_UINT64: uint64_t*
  • EINA_VALUE_TYPE_CHAR: char*
  • EINA_VALUE_TYPE_SHORT: short*
  • EINA_VALUE_TYPE_INT: int*
  • EINA_VALUE_TYPE_LONG: long*
  • EINA_VALUE_TYPE_INT64: int64_t*
  • EINA_VALUE_TYPE_FLOAT: float*
  • EINA_VALUE_TYPE_DOUBLE: double*
  • EINA_VALUE_TYPE_STRINGSHARE: const char **
  • EINA_VALUE_TYPE_STRING: const char **
  • EINA_VALUE_TYPE_LIST: Eina_Value_List*
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash*
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval*
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob*
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct*
See also:
eina_value_list_set()
eina_value_list_vset()
eina_value_list_pset()
Since:
1.2
static Eina_Bool eina_value_list_insert ( Eina_Value value,
unsigned int  position,
  ... 
) [inline, static]

Insert the generic value in an list member position.

Parameters:
valuesource value object
positionindex of the member
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The variable argument is dependent on chosen subtype. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char
  • EINA_VALUE_TYPE_USHORT: unsigned short
  • EINA_VALUE_TYPE_UINT: unsigned int
  • EINA_VALUE_TYPE_ULONG: unsigned long
  • EINA_VALUE_TYPE_UINT64: uint64_t
  • EINA_VALUE_TYPE_CHAR: char
  • EINA_VALUE_TYPE_SHORT: short
  • EINA_VALUE_TYPE_INT: int
  • EINA_VALUE_TYPE_LONG: long
  • EINA_VALUE_TYPE_INT64: int64_t
  • EINA_VALUE_TYPE_FLOAT: float
  • EINA_VALUE_TYPE_DOUBLE: double
  • EINA_VALUE_TYPE_STRINGSHARE: const char *
  • EINA_VALUE_TYPE_STRING: const char *
  • EINA_VALUE_TYPE_LIST: Eina_Value_List
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_pset()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_append ( Eina_Value value,
  ... 
) [inline, static]

Append the generic value in an list.

Parameters:
valuesource value object
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The variable argument is dependent on chosen subtype. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char
  • EINA_VALUE_TYPE_USHORT: unsigned short
  • EINA_VALUE_TYPE_UINT: unsigned int
  • EINA_VALUE_TYPE_ULONG: unsigned long
  • EINA_VALUE_TYPE_UINT64: uint64_t
  • EINA_VALUE_TYPE_CHAR: char
  • EINA_VALUE_TYPE_SHORT: short
  • EINA_VALUE_TYPE_INT: int
  • EINA_VALUE_TYPE_LONG: long
  • EINA_VALUE_TYPE_INT64: int64_t
  • EINA_VALUE_TYPE_FLOAT: float
  • EINA_VALUE_TYPE_DOUBLE: double
  • EINA_VALUE_TYPE_STRINGSHARE: const char *
  • EINA_VALUE_TYPE_STRING: const char *
  • EINA_VALUE_TYPE_LIST: Eina_Value_List
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_pset()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_vset ( Eina_Value value,
unsigned int  position,
va_list  args 
) [inline, static]

Set the generic value in an list member.

Parameters:
valuesource value object
positionindex of the member
argsvariable argument
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_pset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_vget ( const Eina_Value value,
unsigned int  position,
va_list  args 
) [inline, static]

Get the generic value from an list member.

Parameters:
valuesource value object
positionindex of the member
argsvariable argument
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The value is returned in the variable argument parameter, the actual value is type-dependent, but usually it will be what is stored inside the object. There shouldn't be any memory allocation, thus the contents should not be freed.

See also:
eina_value_list_vset()
eina_value_list_get()
eina_value_list_pget()
Since:
1.2
static Eina_Bool eina_value_list_vinsert ( Eina_Value value,
unsigned int  position,
va_list  args 
) [inline, static]

Insert the generic value in an list member position.

Parameters:
valuesource value object
positionindex of the member
argsvariable argument
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_pset()
eina_value_list_insert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_vappend ( Eina_Value value,
va_list  args 
) [inline, static]

Append the generic value in an list.

Parameters:
valuesource value object
argsvariable argument
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vget()
eina_value_list_pset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_pset ( Eina_Value value,
unsigned int  position,
const void *  ptr 
) [inline, static]

Set the generic value in an list member from pointer.

Parameters:
valuesource value object
positionindex of the member
ptrpointer to specify the contents.
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The pointer type is dependent on chosen value type. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char*
  • EINA_VALUE_TYPE_USHORT: unsigned short*
  • EINA_VALUE_TYPE_UINT: unsigned int*
  • EINA_VALUE_TYPE_ULONG: unsigned long*
  • EINA_VALUE_TYPE_UINT64: uint64_t*
  • EINA_VALUE_TYPE_CHAR: char*
  • EINA_VALUE_TYPE_SHORT: short*
  • EINA_VALUE_TYPE_INT: int*
  • EINA_VALUE_TYPE_LONG: long*
  • EINA_VALUE_TYPE_INT64: int64_t*
  • EINA_VALUE_TYPE_FLOAT: float*
  • EINA_VALUE_TYPE_DOUBLE: double*
  • EINA_VALUE_TYPE_STRINGSHARE: const char **
  • EINA_VALUE_TYPE_STRING: const char **
  • EINA_VALUE_TYPE_LIST: Eina_Value_List*
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash*
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval*
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob*
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct*
Note:
the pointer contents are written using the size defined by type. It can be larger than void* or uint64_t.
     Eina_Value *value = eina_value_list_new(EINA_VALUE_TYPE_INT);
     int x = 1234;

     eina_value_list_append(value, 1234);
     eina_value_list_pset(value, 0, &x);
     eina_value_list_pget(value, 0, &x);
     eina_value_free(value);
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_pget ( const Eina_Value value,
unsigned int  position,
void *  ptr 
) [inline, static]

Get the generic value to pointer from an list member.

Parameters:
valuesource value object
positionindex of the member
ptrpointer to receive the contents.
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The value is returned in pointer contents, the actual value is type-dependent, but usually it will be what is stored inside the object. There shouldn't be any memory allocation, thus the contents should not be freed.

The pointer type is dependent on chosen value type. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char*
  • EINA_VALUE_TYPE_USHORT: unsigned short*
  • EINA_VALUE_TYPE_UINT: unsigned int*
  • EINA_VALUE_TYPE_ULONG: unsigned long*
  • EINA_VALUE_TYPE_UINT64: uint64_t*
  • EINA_VALUE_TYPE_CHAR: char*
  • EINA_VALUE_TYPE_SHORT: short*
  • EINA_VALUE_TYPE_INT: int*
  • EINA_VALUE_TYPE_LONG: long*
  • EINA_VALUE_TYPE_INT64: int64_t*
  • EINA_VALUE_TYPE_FLOAT: float*
  • EINA_VALUE_TYPE_DOUBLE: double*
  • EINA_VALUE_TYPE_STRINGSHARE: const char **
  • EINA_VALUE_TYPE_STRING: const char **
  • EINA_VALUE_TYPE_LIST: Eina_Value_List*
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash*
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval*
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob*
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct*
See also:
eina_value_list_set()
eina_value_list_vset()
eina_value_list_pset()
Since:
1.2
static Eina_Bool eina_value_list_pinsert ( Eina_Value value,
unsigned int  position,
const void *  ptr 
) [inline, static]

Insert the generic value in an list member position from pointer.

Parameters:
valuesource value object
positionindex of the member
ptrpointer to specify the contents.
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The pointer type is dependent on chosen value type. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char*
  • EINA_VALUE_TYPE_USHORT: unsigned short*
  • EINA_VALUE_TYPE_UINT: unsigned int*
  • EINA_VALUE_TYPE_ULONG: unsigned long*
  • EINA_VALUE_TYPE_UINT64: uint64_t*
  • EINA_VALUE_TYPE_CHAR: char*
  • EINA_VALUE_TYPE_SHORT: short*
  • EINA_VALUE_TYPE_INT: int*
  • EINA_VALUE_TYPE_LONG: long*
  • EINA_VALUE_TYPE_INT64: int64_t*
  • EINA_VALUE_TYPE_FLOAT: float*
  • EINA_VALUE_TYPE_DOUBLE: double*
  • EINA_VALUE_TYPE_STRINGSHARE: const char **
  • EINA_VALUE_TYPE_STRING: const char **
  • EINA_VALUE_TYPE_LIST: Eina_Value_List*
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash*
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval*
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob*
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct*
Note:
the pointer contents are written using the size defined by type. It can be larger than void* or uint64_t.
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2
static Eina_Bool eina_value_list_pappend ( Eina_Value value,
const void *  ptr 
) [inline, static]

Append the generic value in an list from pointer.

Parameters:
valuesource value object
ptrpointer to specify the contents.
Returns:
EINA_TRUE on success, EINA_FALSE otherwise.

The pointer type is dependent on chosen value type. The list for basic types:

  • EINA_VALUE_TYPE_UCHAR: unsigned char*
  • EINA_VALUE_TYPE_USHORT: unsigned short*
  • EINA_VALUE_TYPE_UINT: unsigned int*
  • EINA_VALUE_TYPE_ULONG: unsigned long*
  • EINA_VALUE_TYPE_UINT64: uint64_t*
  • EINA_VALUE_TYPE_CHAR: char*
  • EINA_VALUE_TYPE_SHORT: short*
  • EINA_VALUE_TYPE_INT: int*
  • EINA_VALUE_TYPE_LONG: long*
  • EINA_VALUE_TYPE_INT64: int64_t*
  • EINA_VALUE_TYPE_FLOAT: float*
  • EINA_VALUE_TYPE_DOUBLE: double*
  • EINA_VALUE_TYPE_STRINGSHARE: const char **
  • EINA_VALUE_TYPE_STRING: const char **
  • EINA_VALUE_TYPE_LIST: Eina_Value_List*
  • EINA_VALUE_TYPE_HASH: Eina_Value_Hash*
  • EINA_VALUE_TYPE_TIMEVAL: struct timeval*
  • EINA_VALUE_TYPE_BLOB: Eina_Value_Blob*
  • EINA_VALUE_TYPE_STRUCT: Eina_Value_Struct*
Note:
the pointer contents are written using the size defined by type. It can be larger than void* or uint64_t.
See also:
eina_value_list_set()
eina_value_list_get()
eina_value_list_vset()
eina_value_list_insert()
eina_value_list_vinsert()
eina_value_list_pinsert()
eina_value_list_append()
eina_value_list_vappend()
eina_value_list_pappend()
Since:
1.2