diff options
Diffstat (limited to 'ruby_1_9_3/lib/rake/ext/string.rb')
| -rw-r--r-- | ruby_1_9_3/lib/rake/ext/string.rb | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/ruby_1_9_3/lib/rake/ext/string.rb b/ruby_1_9_3/lib/rake/ext/string.rb deleted file mode 100644 index fb22a9deb1..0000000000 --- a/ruby_1_9_3/lib/rake/ext/string.rb +++ /dev/null @@ -1,167 +0,0 @@ -require 'rake/ext/core' - -###################################################################### -# Rake extension methods for String. -# -class String - rake_extension("ext") do - # Replace the file extension with +newext+. If there is no extension on - # the string, append the new extension to the end. If the new extension - # is not given, or is the empty string, remove any existing extension. - # - # +ext+ is a user added method for the String class. - def ext(newext='') - return self.dup if ['.', '..'].include? self - if newext != '' - newext = (newext =~ /^\./) ? newext : ("." + newext) - end - self.chomp(File.extname(self)) << newext - end - end - - rake_extension("pathmap") do - # Explode a path into individual components. Used by +pathmap+. - def pathmap_explode - head, tail = File.split(self) - return [self] if head == self - return [tail] if head == '.' || tail == '/' - return [head, tail] if head == '/' - return head.pathmap_explode + [tail] - end - protected :pathmap_explode - - # Extract a partial path from the path. Include +n+ directories from the - # front end (left hand side) if +n+ is positive. Include |+n+| - # directories from the back end (right hand side) if +n+ is negative. - def pathmap_partial(n) - dirs = File.dirname(self).pathmap_explode - partial_dirs = - if n > 0 - dirs[0...n] - elsif n < 0 - dirs.reverse[0...-n].reverse - else - "." - end - File.join(partial_dirs) - end - protected :pathmap_partial - - # Preform the pathmap replacement operations on the given path. The - # patterns take the form 'pat1,rep1;pat2,rep2...'. - def pathmap_replace(patterns, &block) - result = self - patterns.split(';').each do |pair| - pattern, replacement = pair.split(',') - pattern = Regexp.new(pattern) - if replacement == '*' && block_given? - result = result.sub(pattern, &block) - elsif replacement - result = result.sub(pattern, replacement) - else - result = result.sub(pattern, '') - end - end - result - end - protected :pathmap_replace - - # Map the path according to the given specification. The specification - # controls the details of the mapping. The following special patterns are - # recognized: - # - # * <b>%p</b> -- The complete path. - # * <b>%f</b> -- The base file name of the path, with its file extension, - # but without any directories. - # * <b>%n</b> -- The file name of the path without its file extension. - # * <b>%d</b> -- The directory list of the path. - # * <b>%x</b> -- The file extension of the path. An empty string if there - # is no extension. - # * <b>%X</b> -- Everything *but* the file extension. - # * <b>%s</b> -- The alternate file separator if defined, otherwise use - # the standard file separator. - # * <b>%%</b> -- A percent sign. - # - # The %d specifier can also have a numeric prefix (e.g. '%2d'). If the - # number is positive, only return (up to) +n+ directories in the path, - # starting from the left hand side. If +n+ is negative, return (up to) - # |+n+| directories from the right hand side of the path. - # - # Examples: - # - # 'a/b/c/d/file.txt'.pathmap("%2d") => 'a/b' - # 'a/b/c/d/file.txt'.pathmap("%-2d") => 'c/d' - # - # Also the %d, %p, %f, %n, %x, and %X operators can take a - # pattern/replacement argument to perform simple string substitutions on a - # particular part of the path. The pattern and replacement are separated - # by a comma and are enclosed by curly braces. The replacement spec comes - # after the % character but before the operator letter. (e.g. - # "%{old,new}d"). Multiple replacement specs should be separated by - # semi-colons (e.g. "%{old,new;src,bin}d"). - # - # Regular expressions may be used for the pattern, and back refs may be - # used in the replacement text. Curly braces, commas and semi-colons are - # excluded from both the pattern and replacement text (let's keep parsing - # reasonable). - # - # For example: - # - # "src/org/onestepback/proj/A.java".pathmap("%{^src,bin}X.class") - # - # returns: - # - # "bin/org/onestepback/proj/A.class" - # - # If the replacement text is '*', then a block may be provided to perform - # some arbitrary calculation for the replacement. - # - # For example: - # - # "/path/to/file.TXT".pathmap("%X%{.*,*}x") { |ext| - # ext.downcase - # } - # - # Returns: - # - # "/path/to/file.txt" - # - def pathmap(spec=nil, &block) - return self if spec.nil? - result = '' - spec.scan(/%\{[^}]*\}-?\d*[sdpfnxX%]|%-?\d+d|%.|[^%]+/) do |frag| - case frag - when '%f' - result << File.basename(self) - when '%n' - result << File.basename(self).ext - when '%d' - result << File.dirname(self) - when '%x' - result << File.extname(self) - when '%X' - result << self.ext - when '%p' - result << self - when '%s' - result << (File::ALT_SEPARATOR || File::SEPARATOR) - when '%-' - # do nothing - when '%%' - result << "%" - when /%(-?\d+)d/ - result << pathmap_partial($1.to_i) - when /^%\{([^}]*)\}(\d*[dpfnxX])/ - patterns, operator = $1, $2 - result << pathmap('%' + operator).pathmap_replace(patterns, &block) - when /^%/ - fail ArgumentError, "Unknown pathmap specifier #{frag} in '#{spec}'" - else - result << frag - end - end - result - end - end -end # class String - |