Class: Purple::MakefileMaven

Inherits:
Object
  • Object
show all
Defined in:
lib/purple/makefile.rb

Overview

Makefile aware predicate container. Initialize with path to source directory.

Instance Method Summary collapse

Constructor Details

#initialize(srcdir) ⇒ MakefileMaven

Returns a new instance of MakefileMaven.



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# File 'lib/purple/makefile.rb', line 7

def initialize srcdir
    @srcdir = srcdir
end

Instance Method Details

#has_makefile? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/purple/makefile.rb', line 11

def has_makefile?
    makefilename && true
end

#makefile_contents ⇒ Object 



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# File 'lib/purple/makefile.rb', line 38

def makefile_contents
    return @contents if defined? @contents

    @contents = ''
    files = [makefilename];
    while files.size > 0
        filename = File.join(@srcdir, files.shift)
        if FileTest.exist? filename
            puts "DEBUG MakefileMaven#makefile_contents: loop->if"
            text = File.open(filename) { |f| f.read }
            @contents << text
            text.grep(/^include /).each do |s|
                md = /^include (.*?)\n$/.match s
                files << md[1]
            end
        end
    end
    puts "DEBUG MakefileMaven#makefile_contents: #{@contents.to_a.size} lines"
    @contents
end

#makefile_rules ⇒ Object 



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# File 'lib/purple/makefile.rb', line 33

def makefile_rules
    return @rules if defined? @rules
    @rules = `make -pn -C #{@srcdir}`
end

#makefilename ⇒ Object 



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# File 'lib/purple/makefile.rb', line 15

def makefilename
    return @makefilename if defined? @makefilename
    @makefilename = ['GNUmakefile', 'makefile', 'Makefile'].find do |name|
        puts "DEBUG MakefileMaven#makefilename: testing #{File.join(@srcdir, name)}"
        FileTest.exist? File.join(@srcdir, name)
    end
end

#uses_destdir? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/purple/makefile.rb', line 28

def uses_destdir?
    return true if makefile_rules.grep(/DESTDIR/).size > 0
    false
end

#uses_prefix? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/purple/makefile.rb', line 23

def uses_prefix?
    return true if makefile_rules.grep(/^prefix/).size > 0
    false
end