cafe-grader-web Commit - r166:7417e965c968

cafe-grader-web

Commit `r166:7417e965c968` public

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Description:

added language identification using file extension git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@363 6386c4cd-e34a-4fa8-8920-d93eb39b512e

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[Not Reviewed]

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r166:7417e965c968 - Fri, 17 Apr 2009 00:42:20 - 4 files changed: 57 inserted, 7 deleted

db/migrate/20090416235658_add_common_ext_to_languages.rb created 644 ¶ +23

@@ -0,0 +1,23
	1	+ class AddCommonExtToLanguages < ActiveRecord::Migration
	2	+ def self.up
	3	+ # language.common_ext is a comma-separated list of common file
	4	+ # extensions.
	5	+ add_column :languages, :common_ext, :string
	6	+
	7	+ # updating table information
	8	+ Language.reset_column_information
	9	+ common_ext = {
	10	+ 'c' => 'c',
	11	+ 'cpp' => 'cpp,cc',
	12	+ 'pas' => 'pas'
	13	+ }
	14	+ Language.find(:all).each do \|lang\|
	15	+ lang.common_ext = common_ext[lang.name]
	16	+ lang.save
	17	+ end
	18	+ end
	19	+
	20	+ def self.down
	21	+ remove_column :languages, :common_ext
	22	+ end
	23	+ end

app/models/language.rb ¶ +22

@@ -1,2 +1,24
1	class Language < ActiveRecord::Base	1	class Language < ActiveRecord::Base
		2	+
		3	+ @@languages_by_ext = {}
		4	+
		5	+ def self.cache_ext_hash
		6	+ @@languages_by_ext = {}
		7	+ Language.find(:all).each do \|language\|
		8	+ language.common_ext.split(',').each do \|ext\|
		9	+ @@languages_by_ext[ext] = language
2	end	10	end
		11	+ end
		12	+ end
		13	+
		14	+ def self.find_by_extension(ext)
		15	+ if @@languages_by_ext.length == 0
		16	+ Language.cache_ext_hash
		17	+ end
		18	+ if @@languages_by_ext.has_key? ext
		19	+ return @@languages_by_ext[ext]
		20	+ else
		21	+ return nil
		22	+ end
		23	+ end
		24	+ end

app/models/submission.rb ¶ +10 -6

                     if s =~ option
               	words = s.split
               	return words[1]
                     end
                     i = i + 1
                     if i==10
               	return nil
                     end
                   end
                   return nil
                 end
-            -   def self.find_language_in_source(source)
+            +   def self.find_language_in_source(source, source_filename="")
                   langopt = find_option_in_source(/^LANG:/,source)
-            -     if language = Language.find_by_name(langopt)
+            +     if langopt
-            -       return language
+            +       return (Language.find_by_name(langopt) ||
-            -     elsif language = Language.find_by_pretty_name(langopt)
+            +               Language.find_by_pretty_name(langopt))
-            -       return language
+            +     else
+            +       if source_filename
+            +         return Language.find_by_extension(source_filename.split('.').last)
                     else
                       return nil
                     end
                   end
+            +   end
                 def self.find_problem_in_source(source)
                   prob_opt = find_option_in_source(/^TASK:/,source)
                   if problem = Problem.find_by_name(prob_opt)
                     return problem
                   else
                     return nil
                   end
                 end
                 def assign_problem
                   if self.problem_id!=-1
                     begin
                       self.problem = Problem.find(self.problem_id)
                     rescue ActiveRecord::RecordNotFound
                       self.problem = nil
                     end
                   else
                     self.problem = Submission.find_problem_in_source(self.source)
                   end
                 end
                 def assign_language
-            -     self.language = Submission.find_language_in_source(self.source)
+            +     self.language = Submission.find_language_in_source(self.source,
+            +                                                        self.source_filename)
                 end
                 # validation codes
                 def must_specify_language
                   return if self.source==nil
                   # for output_only tasks
                   return if self.problem!=nil and self.problem.output_only
                   if self.language==nil
                     errors.add('source',"must specify programming language") unless self.language!=nil
                   end

db/schema.rb ¶ +2 -1

               # This file is auto-generated from the current state of the database. Instead of editing this file,
               # please use the migrations feature of Active Record to incrementally modify your database, and
               # then regenerate this schema definition.
               #
               # Note that this schema.rb definition is the authoritative source for your database schema. If you need
               # to create the application database on another system, you should be using db:schema:load, not running
               # all the migrations from scratch. The latter is a flawed and unsustainable approach (the more migrations
               # you'll amass, the slower it'll run and the greater likelihood for issues).
               #
               # It's strongly recommended to check this file into your version control system.
-            - ActiveRecord::Schema.define(:version => 20090206145016) do
+            + ActiveRecord::Schema.define(:version => 20090416235658) do
                 create_table "announcements", :force => true do |t|
                   t.string   "author"
                   t.text     "body"
                   t.boolean  "published"
                   t.datetime "created_at"
                   t.datetime "updated_at"
                   t.boolean  "frontpage",    :default => false
                   t.boolean  "contest_only", :default => false
                 end
                 create_table "configurations", :force => true do |t|
                   t.datetime "created_at"
                   t.datetime "updated_at"
                   t.integer  "task_id"
                   t.string   "task_type"
                 end
                 add_index "grader_processes", ["host", "pid"], :name => "index_grader_processes_on_ip_and_pid"
                 create_table "languages", :force => true do |t|
                   t.string "name",        :limit => 10
                   t.string "pretty_name"
                   t.string "ext",         :limit => 10
+            +     t.string "common_ext"
                 end
                 create_table "messages", :force => true do |t|
                   t.integer  "sender_id"
                   t.integer  "receiver_id"
                   t.integer  "replying_message_id"
                   t.text     "body"
                   t.boolean  "replied"
                   t.datetime "created_at"
                   t.datetime "updated_at"
                 end

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r166:7417e965c968 - Fri, 17 Apr 2009 00:42:20 - 4 files changed: 57 inserted, 7 deleted

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Commit r166:7417e965c968 public

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r166:7417e965c968 - Fri, 17 Apr 2009 00:42:20 - 4 files changed: 57 inserted, 7 deleted

Commit `r166:7417e965c968` public