88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
# File 'lib/core_ext/regexp.rb', line 88
def preview(parent_type=nil)
numbering = @atoms.map.with_index do |a, index|
atom_text = render_atom(a)
spacer_count = (atom_text).length/2
"#{" "*(spacer_count-1)}##{index}#{" "*(spacer_count)}"
end
@terminal = Terminal.new()
@terminal.clear_terminal
rx_source = @rx.source
descriptions = []
if(!parent_type)
@atoms.map.with_index do |a,index|
if(a.is_a?(Array) && a[0] == :"(" && a[a.length-1] == :")")
stringified = a.map(&:to_s).join('')
rx_source = rx_source.gsub(stringified,@terminal.rbg(r:0,b:0,g:5, text:stringified))
subatoms = a[1,a.length-2]
if(subatoms[0].to_s.start_with?("?<"))
name = subatoms.shift
name = name.to_s.match(/\?\<(?<name>.*)\>/)[:name]
name = "#{name}"
else
name = "anonymous_capture_group"
end
if(subatoms.length == 1)
a = "#{@terminal.rbg(r:0,b:0,g:5, text:"Capture group \"#{name}\"")} captures #{self.describe(subatoms.first)}"
elsif(subatoms.length == 2)
a = "#{@terminal.rbg(r:0,b:0,g:5, text:"Capture group \"#{name}\"")} captures #{self.describe(subatoms[0])} and #{self.describe(subatoms[0])}"
else
subatoms = subatoms.map{|s| self.describe(s)}
last_subatom = subatoms.pop
a = "#{@terminal.rbg(r:0,b:0,g:5, text:"Capture group \"#{name}\"")} captures #{subatoms.join(',')} and #{last_subatom}"
end
else
rx_source = rx_source.gsub(a.to_s,@terminal.rbg(r:0,b:5,g:1, text:a.to_s))
a = "#{@terminal.rbg(r:0,b:5,g:1, text:"\"#{a}\"")} matches #{self.describe(a)}"
end
descriptions << "##{index}. #{a}"
end
elsif(parent_type == :capture)
@atoms.map do |a|
if(a.to_s.include?("literal_"))
"#{a.to_s.gsub("_"," ")}"
elsif(a.to_s[0] == "(" && a.to_s[a.length-1] == ")")
"#{self.preview(a.to_s[1,a.length-1],:capture)}"
elsif(a.to_s[0] == "\\" && matchers.keys.include?(a.to_s[1]))
"#{matchers[a]}"
elsif(a.to_s[0] == "\\" && a.length <= 3 && !matchers.keys.include?(a.to_s[1]))
"literal #{a}"
else
"#{a}"
end
end
end
indent = 1
indent_str = "\t"*indent
puts "\n"*2
puts "#{indent_str}#{rx_source}"
puts "#{indent_str}#{@terminal.add_formatting(numbering.join(''), :yellow)}"
descriptions.each{|desc| puts "#{indent_str}#{desc}" }
return
end
|