diff options
| author | murphy <murphy@rubychan.de> | 2006-10-17 09:44:47 +0000 |
|---|---|---|
| committer | murphy <murphy@rubychan.de> | 2006-10-17 09:44:47 +0000 |
| commit | 70690604e7ea6fd6b89c256a52d65a308ad0fe77 (patch) | |
| tree | 8f681315abf127e16019b3de92e16899517e3db4 /sample/demo_scanner.rb | |
| parent | 3078dddb4cb2c5f09ff92bcd56401f75b79a13d1 (diff) | |
| download | coderay-70690604e7ea6fd6b89c256a52d65a308ad0fe77.tar.gz | |
Moved demos to sample/.
Diffstat (limited to 'sample/demo_scanner.rb')
| -rw-r--r-- | sample/demo_scanner.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sample/demo_scanner.rb b/sample/demo_scanner.rb new file mode 100644 index 0000000..6a0245e --- /dev/null +++ b/sample/demo_scanner.rb @@ -0,0 +1,36 @@ +require 'coderay'
+
+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_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 '> has a string?'
+puts ruby_scanner.
+ reject { |text, kind| not text.is_a? String }.
+ map { |text, kind| %("#{text}" (#{kind})) }.join(', ')
|