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Full Discussion: Parsing the Ruby File
Top Forums Shell Programming and Scripting Parsing the Ruby File Post 302484171 by thillai_selvan on Thursday 30th of December 2010 03:43:25 AM
Old 12-30-2010
Parsing the Ruby File
Hai any one pls guide me...
We can extract the line number of the sub routine/function/method in a Ruby file using the ctags command.

But I want to know the line number in which the sub routine is ending.

Example:

Quote:
#
# Function name : get_days_in_hash
# Argument :
# no arguments
# Return value :
# days information in hash format.
# Description :
# get the days. Assigned value for each day.
# 1 => 'Mon' ,
# 2 => 'Tues' ,
# 3 => 'Wed' ,
# 4 => 'Thu' ,
# 5 => 'Fri' ,
# 6 => 'Sat' ,
# 7 => 'Sun' ,
# 8 => 'Leave' ,
# 9 => 'Holiday'
# Logical flow :
# generate the hash
#
def get_days_in_hash
{ 1 => 'Mon' , 2 => 'Tues' , 3 => 'Wed' , 4 => 'Thu' , 5 => 'Fri' , 6 => 'Sat' , 7 => 'Sun' , 8 => 'Leave' , 9 => 'Holiday' }
end
Quote:
#
# Function name : user_filter
# Argument :
# get the controller and action.
# Return value :
# if the user not login then display the login page.
# Description :
# check the user is login or not.
# Logical flow :
# check the controller and action is not the login page or not.
# check the user is log-in or not.
# if not login then redirect the page to login page.
#
def user_filter()

# set the header information for the Browser
no_cache()

# check it is a login page or not.
# If it is not a not the login page then check the session whether he is login or not
# if is not login then display the login page.
if( not ( params[:controller] == 'main' && ( params[:action] == 'login' || params[:action] == 'index' ) ) )
if( not session[:user_id] )
#redirect_to :controller => 'main' , :action => 'login'
if( params[:action] == 'logout' )
flash[:notice] = 'Logged out Successfully'
else
flash[:notice] = "Session Expired"
end
render :text => "<script>
window.location='#{url_for(:controller => 'main' , :action => 'login' )}';
</script>"
end
end
end
Say the function get_days_in_hash starts in the line number 20.
It will be returned by the ctags command.
I want to know in which line number that appropriate function is ending.

For each functions in the file I want this informations like starting line of the file and the ending line of the file.

Please help me about how to achieve this.
Thanks in Advance,
 

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LEARN ABOUT DEBIAN

yard

YARD(1) 																   YARD(1)

NAME

       yard - documentation tool for Ruby

SYNOPSIS

       yard command [options]

DESCRIPTION

       yard is an extensible documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable
       documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as
       custom class level definitions.

       Below are listed the commands that can be passed to the yard on the command line. For more details about a command, use yard help command
       from the command line.

COMMANDS

       config
	   Views or edits current global configuration

       diff
	   Returns the object diff of two gems or .yardoc files

       doc Generates documentation. yardoc(1) is a synonym of yard doc.

       gems
	   Builds YARD index for gems

       graph
	   Graphs class diagram using Graphviz

       help
	   Retrieves help for a command

       i18n
	   Generates .pot file from source code and extra documentation

       list
	   Lists all constant and methods. Uses yard doc --list.

       ri  A tool to view documentation in the console like ri(1). yri(1) is a synonym of yard ri.

       server
	   Runs a local documentation server

       stats
	   Prints documentation statistics on a set of files

SEE ALSO

       yardoc(1), yri(1).

AUTHORS

       yard has been developed by Loren Segal <lsegal@soen.ca>.

       This manual page has been written for the Debian Project by Cedric Boutillier (but may used by others).

								    2012-05-06								   YARD(1)
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