diff options
Diffstat (limited to 'demo/demo_scanner.rb')
| -rw-r--r-- | demo/demo_scanner.rb | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/demo/demo_scanner.rb b/demo/demo_scanner.rb index a250f91..6a0245e 100644 --- a/demo/demo_scanner.rb +++ b/demo/demo_scanner.rb @@ -1,12 +1,36 @@ require 'coderay'
-c_scanner = CodeRay::Scanners[:c].new "if (*p == '{') nest++;"
+
+c_code = "if (*p == '{') nest++;"
+puts 'C Code: ' + c_code
+puts
+
+c_scanner = CodeRay::Scanners[:c].new c_code
+
+puts '> print only operators:'
for text, kind in c_scanner
print text if kind == :operator
end
puts
+puts '-' * 30
+puts
-ruby_scanner = CodeRay::Scanners[:ruby].new %q<c_scanner = CodeRay::Scanners[:c].new "if (*p == '{') nest++;">
+ruby_code = %q!ruby_code(:can, BE, %r[q[ui]te #{ /comple/x },] => $-s, &?\xee)!
+puts 'Ruby Code: ' + ruby_code
+puts
+
+ruby_scanner = CodeRay::Scanners[:ruby].new ruby_code
+
+puts '> has a string?'
+puts ruby_scanner.
+ any? { |text, kind| kind == :string }
+puts
+
+puts '> number of regexps?'
+puts ruby_scanner.
+ select { |token| token == [:open, :regexp] }.size
+puts
-puts ruby_scanner.any? { |text, kind| kind == :string and text == :open}
-puts ruby_scanner.find { |text, kind| kind == :regexp }
-puts ruby_scanner.map { |text, kind| text if kind != :space }.compact.join(' ')
+puts '> has a string?'
+puts ruby_scanner.
+ reject { |text, kind| not text.is_a? String }.
+ map { |text, kind| %("#{text}" (#{kind})) }.join(', ')
|