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fields: make combi-fields introspectable

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And add the display of combination-fields to 'mu info fields'.
This commit is contained in:
Dirk-Jan C. Binnema
2024-11-30 22:58:15 +02:00
parent 0200cfd647
commit 8c7db59972
3 changed files with 112 additions and 44 deletions
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71
lib/message/mu-fields.hh
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@ -402,7 +402,7 @@ static constexpr std::array<Field, Field::id_size()>
{},
'r',
Field::Flag::Value |
Field::Flag::BooleanTerm |
Field::Flag::BooleanTerm |
Field::Flag::IncludeInSexp
},
{
@ -534,6 +534,25 @@ Option<Field> field_from_name(const std::string& name) {
}
}
using FieldsVec = std::vector<Field>; /**< Vec of fields */
/**
* Describe a combination-field, i.e., a pseudo-field that
* expands to some real fields, as a query shortcut.
*/
struct CombiField {
std::string_view name; /**< name of the combi-field */
FieldsVec fields; /**< fields this resolves to */
};
using CombiFields = std::vector<CombiField>; /**< vec of combi-fields */
/**
* Get information about the combination fields
*
* @return vector with information.
*/
const CombiFields& combi_fields();
/**
* Return combination-fields such
* as "contact", "recip" and "" (empty)
@ -542,48 +561,16 @@ Option<Field> field_from_name(const std::string& name) {
*
* @return list of matching fields
*/
using FieldsVec = std::vector<Field>;
static inline
const FieldsVec& fields_from_name(const std::string& name) {
static const FieldsVec none{};
static const FieldsVec recip_fields ={
field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc)};
static const FieldsVec contact_fields = {
field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc),
field_from_id(Field::Id::From),
};
static const FieldsVec empty_fields= {
field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc),
field_from_id(Field::Id::From),
field_from_id(Field::Id::Subject),
field_from_id(Field::Id::BodyText),
field_from_id(Field::Id::EmbeddedText),
};
if (name == "recip")
return recip_fields;
else if (name == "contact")
return contact_fields;
else if (name.empty())
return empty_fields;
else
return none;
}
static inline bool
field_is_combi (const std::string& name)
{
return name == "recip" || name == "contact";
}
const FieldsVec& fields_from_name(const std::string& name);
/**
* Is the field a combination field?
*
* @param name name of the field
*
* @return true or false
*/
bool field_is_combi (const std::string& name);
/**
* Get the Field::Id for some number, or nullopt if it does not match