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data_forms: Replace field_type String with a proper enum.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-05-21 17:08:05 +01:00
parent 80695edb72
commit 7cdb46b90a
1 changed files with 45 additions and 5 deletions
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50
src/data_forms.rs
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@ -14,6 +14,47 @@ use ns;
use media_element::MediaElement;
#[derive(Debug, Clone, PartialEq)]
pub enum FieldType {
Boolean,
Fixed,
Hidden,
JidMulti,
JidSingle,
ListMulti,
ListSingle,
TextMulti,
TextPrivate,
TextSingle,
}
impl Default for FieldType {
fn default() -> FieldType {
FieldType::TextSingle
}
}
impl FromStr for FieldType {
type Err = Error;
fn from_str(s: &str) -> Result<FieldType, Error> {
Ok(match s {
"boolean" => FieldType::Boolean,
"fixed" => FieldType::Fixed,
"hidden" => FieldType::Hidden,
"jid-multi" => FieldType::JidMulti,
"jid-single" => FieldType::JidSingle,
"list-multi" => FieldType::ListMulti,
"list-single" => FieldType::ListSingle,
"text-multi" => FieldType::TextMulti,
"text-private" => FieldType::TextPrivate,
"text-single" => FieldType::TextSingle,
_ => return Err(Error::ParseError("Invalid 'type' attribute in field element.")),
})
}
}
#[derive(Debug, Clone)]
pub struct Option_ {
pub label: Option<String>,
@ -23,7 +64,7 @@ pub struct Option_ {
#[derive(Debug, Clone)]
pub struct Field {
pub var: String,
pub type_: String, // TODO: use an enum here.
pub type_: FieldType,
pub label: Option<String>,
pub required: bool,
pub options: Vec<Option_>,
@ -103,12 +144,11 @@ impl<'a> TryFrom<&'a Element> for DataForm {
form.instructions = Some(child.text());
} else if child.is("field", ns::DATA_FORMS) {
let var: String = get_attr!(child, "var", required);
// TODO: use Default instead.
let field_type: String = get_attr!(child, "type", optional).unwrap_or(String::from("text-single"));
let field_type = get_attr!(child, "type", default);
let label = get_attr!(child, "label", optional);
let is_form_type = var == "FORM_TYPE" && field_type == "hidden";
let is_list = field_type == "list-single" || field_type == "list-multi";
let is_form_type = var == "FORM_TYPE" && field_type == FieldType::Hidden;
let is_list = field_type == FieldType::ListSingle || field_type == FieldType::ListMulti;
let mut field = Field {
var: var,
type_: field_type,