librest Reference Manual: RestParam

## RestParam RestParam — Name/value parameter data type with intelligent memory management |

## Functions

RestParam * | rest_param_new_string ()
RestParam * | rest_param_new_full ()
RestParam * | rest_param_new_with_owner ()
gboolean | rest_param_is_string ()
const char * | rest_param_get_name ()
const char * | rest_param_get_content_type ()
const char * | rest_param_get_file_name ()
gconstpointer | rest_param_get_content ()
gsize | rest_param_get_content_length ()
RestParam * | rest_param_ref ()
void | rest_param_unref ()

## Types and Values

enum | RestMemoryUse
| RestParam

## Description

## Functions

### rest_param_new_string ()

    RestParam *
    rest_param_new_string (const char *name,
                           RestMemoryUse use,
                           const char *string);

A convience constructor to create a RestParam from a given UTF-8 string. The resulting RestParam will have a content type of "text/plain".

#### Parameters

name | the parameter name |
use | the RestMemoryUse describing how the memory can be used |
string | the parameter value |

#### Returns

a new RestParam.

### rest_param_new_full ()

    RestParam *
    rest_param_new_full (const char *name,
                         RestMemoryUse use,
                         gconstpointer data,
                         gsize length,
                         const char *content_type,
                         const char *filename);

Create a new RestParam called `name` with `length` bytes of `data` as the value. `content_type` is the type of the data as a MIME type, for example "text/plain" for simple string parameters.

If the parameter is a file upload it can be passed as `filename` .

#### Parameters

name | the parameter name |
use | the RestMemoryUse describing how the memory can be used |
data | a pointer to the start of the data. | [array length=length][element-type guint8]
length | the length of the data |
content_type | the content type of the data |
filename | the original filename, or `NULL` |

#### Returns

a new RestParam.

### rest_param_new_with_owner ()

    RestParam *
    rest_param_new_with_owner (const char *name,
                               gconstpointer data,
                               gsize length,
                               const char *content_type,
                               const char *filename,
                               gpointer owner,
                               GDestroyNotify owner_dnotify);

Create a new RestParam called `name` with `length` bytes of `data` as the value. `content_type` is the type of the data as a MIME type, for example "text/plain" for simple string parameters.

If the parameter is a file upload it can be passed as `filename` .

When the RestParam is freed, it will call `owner_dnotify` , passing `owner` to it. This allows you to do something like this:

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    GMappedFile *map = g_mapped_file_new (filename, FALSE, &error);
    RestParam *param = rest_param_new_with_owner ("media",
                                                  g_mapped_file_get_contents (map),
                                                  g_mapped_file_get_length (map),
                                                  "image/jpeg",
                                                  filename,
                                                  map,
                                                  (GDestroyNotify)g_mapped_file_unref);

#### Parameters

name | the parameter name |
data | a pointer to the start of the data. | [array length=length][element-type guint8]
length | the length of the data |
content_type | the content type of the data |
filename | the original filename, or `NULL`. | [allow-none]
owner | pointer to an object that owns `data` . | [transfer full]
owner_dnotify | a function to free/unref `owner` when the buffer is freed. | [allow-none]

#### Returns

a new RestParam.

### rest_param_is_string ()

    gboolean
    rest_param_is_string (RestParam *param);

Determine if the parameter is a string value, i.e. the content type is "text/plain".

#### Parameters

param | a valid RestParam |

#### Returns

`TRUE` if the parameter is a string, `FALSE` otherwise.

### rest_param_get_name ()

    const char *
    rest_param_get_name (RestParam *param);

Get the name of the parameter.

#### Parameters

param | a valid RestParam |

#### Returns

the parameter name.

### rest_param_get_content_type ()

    const char *
    rest_param_get_content_type (RestParam *param);

Get the MIME type of the parameter. For example, basic strings have the MIME type "text/plain".

#### Parameters

param | a valid RestParam |

#### Returns

the MIME type

### rest_param_get_file_name ()

    const char *
    rest_param_get_file_name (RestParam *param);

Get the original file name of the parameter, if one is available.

#### Parameters

param | a valid RestParam |

#### Returns

the filename if set, or `NULL`.

### rest_param_get_content ()

    gconstpointer
    rest_param_get_content (RestParam *param);

Get the content of `param` . The content should be treated as read-only and not modified in any way.

#### Parameters

param | a valid RestParam |

#### Returns

the content.

[transfer none]

### rest_param_get_content_length ()

    gsize
    rest_param_get_content_length (RestParam *param);

Get the length of the content of `param` .

#### Parameters

param | a valid RestParam |

#### Returns

the length of the content

### rest_param_ref ()

    RestParam *
    rest_param_ref (RestParam *param);

Increase the reference count on `param` .

#### Parameters

param | a valid RestParam |

#### Returns

the RestParam

### rest_param_unref ()

    void
    rest_param_unref (RestParam *param);

Decrease the reference count on `param` , destroying it if the reference count reaches 0.

#### Parameters

param | a valid RestParam |

## Types and Values

### enum RestMemoryUse

#### Members

REST_MEMORY_STATIC | the memory block can be assumed to always exist for the lifetime of the parameter, RestParam will use it directly. |
REST_MEMORY_TAKE | RestParam will take ownership of the memory block, and `g_free()` it when it isn't used. |
REST_MEMORY_COPY | RestParam will make a copy of the memory block. |

### RestParam

    typedef struct _RestParam RestParam;

## See Also

RestParams, RestProxyCall.