Class: AsProject::TemplateResolver

Inherits:
Hash
  • Object
show all
Defined in:
lib/template_resolver.rb

Overview

TemplateResolver

Direct Known Subclasses

AsProjectResolver, PathFinder

Constant Summary collapse

@@ASPROJECT_FILE_NAME = 
'AsProject'
@@RENDER_IGNORE_FILES = 
['asclass_config.rb', 'SWFMillTemplate.erb']
@@BINARY_EXTENSIONS = 
['.jpg', '.png', '.gif', '.doc', '.xls', '.exe', '.swf', 'fla', '.psd']

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TemplateResolver

Returns a new instance of TemplateResolver.



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# File 'lib/template_resolver.rb', line 11

def initialize
  @replace_all = false
  @ignore_all = false
end

Instance Attribute Details

#ignore_all ⇒ Object

Returns the value of attribute ignore_all.



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# File 'lib/template_resolver.rb', line 6

def ignore_all
  @ignore_all
end

#replace_all ⇒ Object

Returns the value of attribute replace_all.



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# File 'lib/template_resolver.rb', line 6

def replace_all
  @replace_all
end

Instance Method Details

#b(path) ⇒ Object 



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# File 'lib/template_resolver.rb', line 47

def b(path)
  (is_binary?(path)) ? 'b' : '' 
end

#clean_file_name(name) ⇒ Object 



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# File 'lib/template_resolver.rb', line 165

def clean_file_name name
  return name.gsub(@@ASPROJECT_FILE_NAME, project_name)
end

#copy_file(from, to, render = false) ⇒ Object 



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# File 'lib/template_resolver.rb', line 51

def copy_file(from, to, render=false)
  if(write_file?(to))
    content = nil
    File.open(from, 'r' + b(from)) do |f|
      content = f.read
    end
    if(render && should_render?(from))
      begin
        content = ERB.new(content, nil, '>').result(binding)
      rescue NameError => e
        puts '>> Template ' + from + ' references a value that is not defined'
        raise e
      end
    end
    FileUtils.makedirs(File.dirname(to))
    File.open(to, 'w' + b(to)) do |f|
      f.write(content)
    end
    return to
  end
  return nil
end

#copy_files(from, to, render = false) ⇒ Object 



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# File 'lib/template_resolver.rb', line 16

def copy_files(from, to, render=false)
  created_files = Array.new
  if(!File.exists? from)
    raise ProjectError.new('TemplateResolver attempted to copy files from (' + from + ') but it does not exist...')
  end
  if(File.directory? from)
    Dir.open(from).each do |filename|
      if(!AsProject.ignore_file? filename)
        fullname = File.join(from, filename)
        new_fullname = File.join(to, filename)
        cleaned_filename = clean_file_name(filename)
        cleaned_fullname = File.join(to, cleaned_filename)
        if(File.directory? fullname)
          Dir.mkdir(new_fullname) unless File.exists? new_fullname
          copy_files(fullname, new_fullname, render).each do |file|
            created_files << file
          end
        else
          file = copy_file(fullname, cleaned_fullname, render)
          if(file)
            created_files << file
          end
        end
      end
    end
  else
    raise ProjectError.new("copy_files called with a file (" + from + ") instead of a directory!")
  end
  return created_files
end

#is_binary?(file) ⇒ Boolean

TODO: Figure out if the file is plain text or not… Possible?

Returns:

  • (Boolean) 


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# File 'lib/template_resolver.rb', line 175

def is_binary? file
  file_extension = File.extname(file).downcase
  @@BINARY_EXTENSIONS.each do |ext|
    if(file_extension == ext)
      return true
    end
  end
  return false
end

#project_name ⇒ Object

Override in subclasses!



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# File 'lib/template_resolver.rb', line 170

def project_name
  return @@ASPROJECT_FILE_NAME
end

#render_file(filename) ⇒ Object 



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# File 'lib/template_resolver.rb', line 156

def render_file filename
  file = File.open(filename, 'r')
  resolved = ERB.new(file.read, nil, '>').result(binding)
  file.close
  file = File.open(filename, 'w')
  file.write(resolved)
  file.close
end

#should_render?(file) ⇒ Boolean

content = nil # content_mode = nil

File.open(from, 'r') do |f|

# content_mode = f.stat.mode

  content = f.read
end
parts = to.split(File::SEPARATOR)
parts.pop
if(render && should_render?(from))
  begin
    content = ERB.new(content, nil, '>').result(binding)
  rescue NameError => e
    puts '>> Template ' + from + ' references a value that is not defined'
    raise e
  end
end
File.makedirs(parts.join(File::SEPARATOR))
File.open(to, 'w') do |f|
  f.write(content)
end

# FileUtils.chmod(content_mode, to)

  return to
return nil

Returns:

  • (Boolean) 


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# File 'lib/template_resolver.rb', line 103

def should_render?(file)
  if(is_binary?(file) || @@RENDER_IGNORE_FILES.index(File.basename(file)))
    return false
  end
  return true
end

#write_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/template_resolver.rb', line 110

def write_file?(file)
  if(!File.exists?(file))
    return true
  elsif(@replace_all)
    File.delete(file)
    return true
  elsif(@ignore_all)
    return false
  end

  relative = file.gsub(Dir.pwd, '')
  msg = <<EOF

AsProject Encountered an existing file at [#{relative}], what would you like to do?
(r)eplace, (i)gnore, (R)eplace all or (I)gnore all?

EOF
  puts msg
  answer = gets.chomp!
  if(answer == 'r')
    return true
  elsif(answer == 'i')
    return false
  elsif(answer == 'R')
    msg = <<EOF
    
Are you sure you want to replace ALL duplicate files?
(y)es or (n)o

EOF
    puts msg
    answer = gets.chomp!
    if(answer == 'y')
      @replace_all = true
    else
      write_file?(file)
    end
  elsif(answer == 'I')
    @ignore_all = true
    return false
  else
    puts "I didn't understand that response... Please choose from the following choices:\n\n"
    write_file?(file)
  end
end