popcorn :: RegexField :: defaultinit
# Check if a field match a regular expression
#
# ~~~
# var validator = new ObjectValidator
# validator.add new RegexField("title", "[A-Z][a-z]+".to_re)
# assert not validator.validate("""{ "title": "foo" }""")
# assert validator.validate("""{ "title": "Foo" }""")
# ~~~
class RegexField
super RequiredField
autoinit field, re, required
# Regular expression to match
var re: Regex
redef fun validate_field(v, obj) do
if not super then return false
var val = obj.get_or_null(field)
if val == null then
if required == null or required == true then
v.validation.add_error(field, "Expected String got `null`")
return false
else
return true
end
end
if not val isa String then
v.validation.add_error(field, "Expected String got `{val.class_name}`")
return false
end
if not val.has(re) then
v.validation.add_error(field, "Does not match `{re.string}`")
return false
end
return true
end
end
lib/popcorn/pop_validation.nit:672,1--709,3