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Contents
module Slim
# Perform interpolation of #{var_name} in the
# expressions `[:slim, :interpolate, string]`.
#
# @api private
class Interpolation < Filter
# Handle interpolate expression `[:slim, :interpolate, string]`
#
# @param [String] string Static interpolate
# @return [Array] Compiled temple expression
def on_slim_interpolate(string)
# Interpolate variables in text (#{variable}).
# Split the text into multiple dynamic and static parts.
block = [:multi]
begin
case string
when /\A\\#\{/
# Escaped interpolation
block << [:static, '#{']
string = $'
when /\A#\{((?>[^{}]|(\{(?>[^{}]|\g<1>)*\}))*)\}/
# Interpolation
string, code = $', $1
escape = code !~ /\A\{.*\}\Z/
block << [:slim, :output, escape, escape ? code : code[1..-2], [:multi]]
when /\A([#\\]?[^#\\]*([#\\][^\\#\{][^#\\]*)*)/
# Static text
block << [:static, $&]
string = $'
end
end until string.empty?
block
end
end
end
Version data entries
104 entries across 90 versions & 6 rubygems