Class: GetText::RubyParser::POExtractor

Inherits:
Ripper::Filter
  • Object
show all
Defined in:
lib/gettext/tools/parser/ruby.rb

Constant Summary collapse

ID = 
["gettext", "_", "N_", "sgettext", "s_"]
PLURAL_ID = 
["ngettext", "n_", "Nn_", "ns_", "nsgettext"]
MSGCTXT_ID = 
["pgettext", "p_"]
MSGCTXT_PLURAL_ID = 
["npgettext", "np_"]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ POExtractor

Returns a new instance of POExtractor.



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/gettext/tools/parser/ruby.rb', line 29

def initialize(*args)
  super(*args)
  @in_block_arguments = false
  @ignore_next_comma = false
  @context_stack = []
  @need_definition_name = false
  @current_po_entry = nil
  @current_po_entry_nth_attribute = 0
  @use_comment = false
  @comment_tag = nil
  @last_comment = ""
  @reset_comment = false
  @string_mark_stack = []
  @string_stack = []
end

Instance Attribute Details

#comment_tag ⇒ Object

Returns the value of attribute comment_tag.



28
29
30
 
# File 'lib/gettext/tools/parser/ruby.rb', line 28

def comment_tag
  @comment_tag
end

#use_comment ⇒ Object

Returns the value of attribute use_comment.



27
28
29
 
# File 'lib/gettext/tools/parser/ruby.rb', line 27

def use_comment
  @use_comment
end

Instance Method Details

#on_default(event, token, po) ⇒ Object 



268
269
270
271
272
273
274
275
276
277
 
# File 'lib/gettext/tools/parser/ruby.rb', line 268

def on_default(event, token, po)
  trace(event, token) do
    process_method = "process_#{event}"
    if respond_to?(process_method)
      __send__(process_method, token, po)
    else
      po
    end
  end
end

#process_on_backtick(token, po) ⇒ Object 



250
251
252
253
254
 
# File 'lib/gettext/tools/parser/ruby.rb', line 250

def process_on_backtick(token, po)
  @string_mark_stack << "`"
  @string_stack << ""
  po
end

#process_on_comma(token, po) ⇒ Object 



223
224
225
226
227
228
229
230
 
# File 'lib/gettext/tools/parser/ruby.rb', line 223

def process_on_comma(token, po)
  unless @ignore_next_comma
    if @current_po_entry
      @current_po_entry_nth_attribute += 1
    end
  end
  po
end

#process_on_comment(token, po) ⇒ Object 



103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
 
# File 'lib/gettext/tools/parser/ruby.rb', line 103

def process_on_comment(token, po)
  @last_comment = "" if @reset_comment
  @reset_comment = false
  if @last_comment.empty?
    content = token.gsub(/\A#\s*/, "").chomp
    if comment_to_be_extracted?(content)
      @last_comment << content
    end
  else
    content = token.gsub(/\A#/, "").chomp
    @last_comment << "\n"
    @last_comment << content
  end
  po
end

#process_on_const(token, po) ⇒ Object 



93
94
95
96
97
98
99
100
101
 
# File 'lib/gettext/tools/parser/ruby.rb', line 93

def process_on_const(token, po)
  case token
  when "N_"," Nn_"
    # TODO: Check the next token is :on_lparen
    process_on_ident(token, po)
  else
    po
  end
end

#process_on_embexpr_beg(token, po) ⇒ Object 



206
207
208
209
210
 
# File 'lib/gettext/tools/parser/ruby.rb', line 206

def process_on_embexpr_beg(token, po)
  @current_po_entry = nil
  @current_po_entry_nth_attribute = 0
  po
end

#process_on_heredoc_beg(token, po) ⇒ Object 



186
187
188
189
190
191
192
193
194
 
# File 'lib/gettext/tools/parser/ruby.rb', line 186

def process_on_heredoc_beg(token, po)
  if token.end_with?("'")
    @string_mark_stack << "'"
  else
    @string_mark_stack << "\""
  end
  @string_stack << ""
  po
end

#process_on_heredoc_end(token, po) ⇒ Object 



196
197
198
 
# File 'lib/gettext/tools/parser/ruby.rb', line 196

def process_on_heredoc_end(token, po)
  process_on_tstring_end(token, po)
end

#process_on_ident(token, po) ⇒ Object 



68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/gettext/tools/parser/ruby.rb', line 68

def process_on_ident(token, po)
  store_po_entry(po)

  return po if @in_block_arguments
  return po if state.allbits?(Ripper::EXPR_ENDFN)

  case token
  when *ID
    @current_po_entry = POEntry.new(:normal)
  when *PLURAL_ID
    @current_po_entry = POEntry.new(:plural)
  when *MSGCTXT_ID
    @current_po_entry = POEntry.new(:msgctxt)
  when *MSGCTXT_PLURAL_ID
    @current_po_entry = POEntry.new(:msgctxt_plural)
  end
  if @current_po_entry
    @current_po_entry.add_comment(@last_comment) unless @last_comment.empty?
    @last_comment = ""
    @current_po_entry.references << "#{filename}:#{lineno}"
    @current_po_entry_nth_attribute = 0
  end
  po
end

#process_on_int(token, po) ⇒ Object 



218
219
220
221
 
# File 'lib/gettext/tools/parser/ruby.rb', line 218

def process_on_int(token, po)
  @ignore_next_comma = true
  po
end

#process_on_kw(token, po) ⇒ Object 



50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/gettext/tools/parser/ruby.rb', line 50

def process_on_kw(token, po)
  store_po_entry(po)
  case token
  when "begin", "case", "do", "for"
    @context_stack.push(token)
  when "class", "def", "module"
    @context_stack.push(token)
  when "if", "unless", "until", "while"
    # postfix case
    unless state.allbits?(Ripper::EXPR_LABEL)
      @context_stack.push(token)
    end
  when "end"
    @context_stack.pop
  end
  po
end

#process_on_nl(token, po) ⇒ Object 



237
238
239
240
 
# File 'lib/gettext/tools/parser/ruby.rb', line 237

def process_on_nl(token, po)
  @reset_comment = true
  po
end

#process_on_op(token, po) ⇒ Object 



45
46
47
48
 
# File 'lib/gettext/tools/parser/ruby.rb', line 45

def process_on_op(token, po)
  @in_block_arguments = !@in_block_arguments if token == "|"
  po
end

#process_on_qsymbols_beg(token, po) ⇒ Object 



256
257
258
259
260
 
# File 'lib/gettext/tools/parser/ruby.rb', line 256

def process_on_qsymbols_beg(token, po)
  @string_mark_stack << token
  @string_stack << ""
  po
end

#process_on_qwords_beg(token, po) ⇒ Object 



262
263
264
265
266
 
# File 'lib/gettext/tools/parser/ruby.rb', line 262

def process_on_qwords_beg(token, po)
  @string_mark_stack << token
  @string_stack << ""
  po
end

#process_on_regexp_beg(token, po) ⇒ Object 



200
201
202
203
204
 
# File 'lib/gettext/tools/parser/ruby.rb', line 200

def process_on_regexp_beg(token, po)
  @string_mark_stack << "\""
  @string_stack << ""
  po
end

#process_on_regexp_end(token, po) ⇒ Object 



212
213
214
215
216
 
# File 'lib/gettext/tools/parser/ruby.rb', line 212

def process_on_regexp_end(token, po)
  @string_mark_stack.pop
  @string_stack.pop
  po
end

#process_on_rparen(token, po) ⇒ Object 



232
233
234
235
 
# File 'lib/gettext/tools/parser/ruby.rb', line 232

def process_on_rparen(token, po)
  store_po_entry(po)
  po
end

#process_on_sp(token, po) ⇒ Object 



119
120
121
 
# File 'lib/gettext/tools/parser/ruby.rb', line 119

def process_on_sp(token, po)
  po
end

#process_on_symbeg(token, po) ⇒ Object 



242
243
244
245
246
247
248
 
# File 'lib/gettext/tools/parser/ruby.rb', line 242

def process_on_symbeg(token, po)
  if token.start_with?("%s") or [":'", ":\""].include?(token)
    @string_mark_stack << ":"
    @string_stack << ""
  end
  po
end

#process_on_tstring_beg(token, po) ⇒ Object 



123
124
125
126
127
128
129
130
131
132
133
134
135
 
# File 'lib/gettext/tools/parser/ruby.rb', line 123

def process_on_tstring_beg(token, po)
  if token.start_with?("%Q")
    @string_mark_stack << "\""
  elsif token.start_with?("%q")
    @string_mark_stack << "'"
  elsif token.start_with?("%")
    @string_mark_stack << "\""
  else
    @string_mark_stack << token
  end
  @string_stack << ""
  po
end

#process_on_tstring_content(token, po) ⇒ Object 



137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
 
# File 'lib/gettext/tools/parser/ruby.rb', line 137

def process_on_tstring_content(token, po)
  case @string_mark_stack.last
  when "\"", "`"
    @string_stack.last << token.gsub(/\\./) do |data|
      case data
      when "\\n"
        "\n"
      when "\\t"
        "\t"
      when "\\\\"
        "\\"
      when "\\\""
        "\""
      when "\\\#"
        "#"
      else
        data
      end
    end
  else
    @string_stack.last << token.gsub(/\\./) do |data|
      case data
      when "\\\\"
        "\\"
      when "\\'"
        "'"
      else
        data
      end
    end
  end
  po
end

#process_on_tstring_end(token, po) ⇒ Object 



171
172
173
174
175
176
177
178
179
180
181
182
183
184
 
# File 'lib/gettext/tools/parser/ruby.rb', line 171

def process_on_tstring_end(token, po)
  @ignore_next_comma = false
  string_mark = @string_mark_stack.pop
  case string_mark
  when "\"", "'"
    last_string = @string_stack.pop
    if @current_po_entry and last_string
      @current_po_entry[@current_po_entry_nth_attribute] =
        (@current_po_entry[@current_po_entry_nth_attribute] || "") +
        last_string
    end
  end
  po
end