Class: PVN::Revision::Argument

Inherits:
Object
  • Object
show all
Includes:
Comparable, Loggable
Defined in:
lib/pvn/revision/argument.rb

Overview

-n means to count from the end of the list. +n means to count from the beginning of the list.

n means the literal revision number.

Constant Summary collapse

DATE_REGEXP = 
Regexp.new '^\{(.*?)\}'
SVN_ARGUMENT_WORDS = 
%w{ HEAD BASE COMMITTED PREV }

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ Argument

Returns a new instance of Argument.



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# File 'lib/pvn/revision/argument.rb', line 73

def initialize value
  @value = value
end

Instance Attribute Details

#log_entry ⇒ Object (readonly)

Returns the value of attribute log_entry.



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# File 'lib/pvn/revision/argument.rb', line 30

def log_entry
  @log_entry
end

#value ⇒ Object (readonly)

these are also valid revisions :working_copy :head



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# File 'lib/pvn/revision/argument.rb', line 29

def value
  @value
end

Class Method Details

.matches_relative?(str) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pvn/revision/argument.rb', line 68

def matches_relative? str
  RELATIVE_REVISION_RE.match str
end

.new(value, xmllines = nil) ⇒ Object 



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# File 'lib/pvn/revision/argument.rb', line 35

def new value, xmllines = nil
  # these are lines from "svn log -v <file>"
  if xmllines.kind_of? Array
    xmllines = xmllines.join ''
  end
  
  case value
  when Fixnum
    if value < 0
      RelativeArgument.orig_new value, xmllines
    else
      FixnumArgument.orig_new value
    end
  when String
    if SVN_ARGUMENT_WORDS.include? value
      StringArgument.orig_new value
    elsif md = RELATIVE_REVISION_RE.match(value)
      RelativeArgument.orig_new md[0].to_i, xmllines
    elsif DATE_REGEXP.match value
      StringArgument.orig_new value
    else
      FixnumArgument.orig_new value.to_i
    end
  when Symbol
    raise RevisionError.new "symbol not yet handled"
  when Date
    # $$$ this (and Time) will probably have to be converted to svn's format
    raise RevisionError.new "date not yet handled"
  when Time
    raise RevisionError.new "time not yet handled"
  end          
end

.orig_new ⇒ Object 



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# File 'lib/pvn/revision/argument.rb', line 33

alias_method :orig_new, :new

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/pvn/revision/argument.rb', line 81

def <=> other
  @value <=> other.value
end

#to_s ⇒ Object 



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# File 'lib/pvn/revision/argument.rb', line 77

def to_s
  @value.to_s
end