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Size: 1.72 KB
Versions: 48
Compression:
Stored size: 1.72 KB
Contents
module Temple
module HTML
# This filter merges html attributes (e.g. used for id and class)
# @api public
class AttributeMerger < Filter
default_options[:attr_delimiter] = {'id' => '_', 'class' => ' '}
def on_html_attrs(*attrs)
names = []
result = {}
attrs.each do |attr|
raise(InvalidExpression, 'Attribute is not a html attr') if attr[0] != :html || attr[1] != :attr
name, value = attr[2].to_s, attr[3]
if result[name]
delimiter = options[:attr_delimiter][name]
raise "Multiple #{name} attributes specified" unless delimiter
if empty_exp?(value)
result[name] = [:html, :attr, name,
[:multi,
result[name][3],
value]]
elsif contains_static?(value)
result[name] = [:html, :attr, name,
[:multi,
result[name][3],
[:static, delimiter],
value]]
else
tmp = unique_name
result[name] = [:html, :attr, name,
[:multi,
result[name][3],
[:capture, tmp, value],
[:if, "!#{tmp}.empty?",
[:multi,
[:static, delimiter],
[:dynamic, tmp]]]]]
end
else
result[name] = attr
names << name
end
end
[:html, :attrs, *names.map {|name| result[name] }]
end
end
end
end
Version data entries
48 entries across 48 versions & 2 rubygems