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# redMine - project management software

# Copyright (C) 2006-2007  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'redmine/scm/adapters/abstract_adapter'

module Redmine

  module Scm

    module Adapters

      class CvsAdapter < AbstractAdapter

        # CVS executable name

        CVS_BIN = Redmine::Configuration['scm_cvs_command'] || "cvs"

        class << self

          def client_command

            @@bin    ||= CVS_BIN

          end

          def sq_bin

            @@sq_bin ||= shell_quote_command

          end

          def client_version

            @@client_version ||= (scm_command_version || [])

          end

          def client_available

            client_version_above?([1, 12])

          end

          def scm_command_version

            scm_version = scm_version_from_command_line.dup

            if scm_version.respond_to?(:force_encoding)

              scm_version.force_encoding('ASCII-8BIT')

            end

            if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)}m)

              m[2].scan(%r{\d+}).collect(&:to_i)

            end

          end

          def scm_version_from_command_line

            shellout("#{sq_bin} --version") { |io| io.read }.to_s

          end

        end

        # Guidelines for the input:

        #  url      -> the project-path, relative to the cvsroot (eg. module name)

        #  root_url -> the good old, sometimes damned, CVSROOT

        #  login    -> unnecessary

        #  password -> unnecessary too

        def initialize(url, root_url=nil, login=nil, password=nil,

                       path_encoding=nil)

          @path_encoding = path_encoding.blank? ? 'UTF-8' : path_encoding

          @url      = url

          # TODO: better Exception here (IllegalArgumentException)

          raise CommandFailed if root_url.blank?

          @root_url  = root_url

          # These are unused.

          @login    = login if login && !login.empty?

          @password = (password || "") if @login

        end

        def path_encoding

          @path_encoding

        end

        def info

          logger.debug "<cvs> info"

          Info.new({:root_url => @root_url, :lastrev => nil})

        end

        def get_previous_revision(revision)

          CvsRevisionHelper.new(revision).prevRev

        end

        # Returns an Entries collection

        # or nil if the given path doesn't exist in the repository

        # this method is used by the repository-browser (aka LIST)

        def entries(path=nil, identifier=nil, options={})

          logger.debug "<cvs> entries '#{path}' with identifier '#{identifier}'"

          path_locale = scm_iconv(@path_encoding, 'UTF-8', path)

          path_locale.force_encoding("ASCII-8BIT") if path_locale.respond_to?(:force_encoding)

          entries = Entries.new

          cmd_args = %w|-q rls -e|

          cmd_args << "-D" << time_to_cvstime_rlog(identifier) if identifier

          cmd_args << path_with_proj(path)

          scm_cmd(*cmd_args) do |io|

            io.each_line() do |line|

              fields = line.chop.split('/',-1)

              logger.debug(">>InspectLine #{fields.inspect}")

              if fields[0]!="D"

                time = nil

                # Thu Dec 13 16:27:22 2007

                time_l = fields[-3].split(' ')

                if time_l.size == 5 && time_l[4].length == 4

                  begin

                    time = Time.parse(

                             "#{time_l[1]} #{time_l[2]} #{time_l[3]} GMT #{time_l[4]}")

                  rescue

                  end

                end

                entries << Entry.new(

                 {

                  :name => scm_iconv('UTF-8', @path_encoding, fields[-5]),

                  #:path => fields[-4].include?(path)?fields[-4]:(path + "/"+ fields[-4]),

                  :path => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[-5]}"),

                  :kind => 'file',

                  :size => nil,

                  :lastrev => Revision.new(

                      {

                        :revision => fields[-4],

                        :name     => scm_iconv('UTF-8', @path_encoding, fields[-4]),

                        :time     => time,

                        :author   => ''

                      })

                  })

              else

                entries << Entry.new(

                 {

                  :name    => scm_iconv('UTF-8', @path_encoding, fields[1]),

                  :path    => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[1]}"),

                  :kind    => 'dir',

                  :size    => nil,

                  :lastrev => nil

                 })

              end

            end

          end

          entries.sort_by_name

        rescue ScmCommandAborted

          nil

        end

        STARTLOG="----------------------------"

        ENDLOG  ="============================================================================="

        # Returns all revisions found between identifier_from and identifier_to

        # in the repository. both identifier have to be dates or nil.

        # these method returns nothing but yield every result in block

        def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={}, &block)

          path_with_project_utf8   = path_with_proj(path)

          path_with_project_locale = scm_iconv(@path_encoding, 'UTF-8', path_with_project_utf8)

          logger.debug "<cvs> revisions path:" +

              "'#{path}',identifier_from #{identifier_from}, identifier_to #{identifier_to}"

          cmd_args = %w|-q rlog|

          cmd_args << "-d" << ">#{time_to_cvstime_rlog(identifier_from)}" if identifier_from

          cmd_args << path_with_project_utf8

          scm_cmd(*cmd_args) do |io|

            state      = "entry_start"

            commit_log = String.new

            revision   = nil

            date       = nil

            author     = nil

            entry_path = nil

            entry_name = nil

            file_state = nil

            branch_map = nil

            io.each_line() do |line|

              if state != "revision" && /^#{ENDLOG}/ =~ line

                commit_log = String.new

                revision   = nil

                state      = "entry_start"

              end

              if state == "entry_start"

                branch_map = Hash.new

                if /^RCS file: #{Regexp.escape(root_url_path)}\/#{Regexp.escape(path_with_project_locale)}(.+),v$/ =~ line

                  entry_path = normalize_cvs_path($1)

                  entry_name = normalize_path(File.basename($1))

                  logger.debug("Path #{entry_path} <=> Name #{entry_name}")

                elsif /^head: (.+)$/ =~ line

                  entry_headRev = $1 #unless entry.nil?

                elsif /^symbolic names:/ =~ line

                  state = "symbolic" #unless entry.nil?

                elsif /^#{STARTLOG}/ =~ line

                  commit_log = String.new

                  state      = "revision"

                end

                next

              elsif state == "symbolic"

                if /^(.*):\s(.*)/ =~ (line.strip)

                  branch_map[$1] = $2

                else

                  state = "tags"

                  next

                end

              elsif state == "tags"

                if /^#{STARTLOG}/ =~ line

                  commit_log = ""

                  state = "revision"

                elsif /^#{ENDLOG}/ =~ line

                  state = "head"

                end

                next

              elsif state == "revision"

                if /^#{ENDLOG}/ =~ line || /^#{STARTLOG}/ =~ line

                  if revision

                    revHelper = CvsRevisionHelper.new(revision)

                    revBranch = "HEAD"

                    branch_map.each() do |branch_name, branch_point|

                      if revHelper.is_in_branch_with_symbol(branch_point)

                        revBranch = branch_name

                      end

                    end

                    logger.debug("********** YIELD Revision #{revision}::#{revBranch}")

                    yield Revision.new({

                      :time    => date,

                      :author  => author,

                      :message => commit_log.chomp,

                      :paths => [{

                        :revision => revision.dup,

                        :branch   => revBranch.dup,

                        :path     => scm_iconv('UTF-8', @path_encoding, entry_path),

                        :name     => scm_iconv('UTF-8', @path_encoding, entry_name),

                        :kind     => 'file',

                        :action   => file_state

                           }]

                         })

                  end

                  commit_log = String.new

                  revision   = nil

                  if /^#{ENDLOG}/ =~ line

                    state = "entry_start"

                  end

                  next

                end

                if /^branches: (.+)$/ =~ line

                  # TODO: version.branch = $1

                elsif /^revision (\d+(?:\.\d+)+).*$/ =~ line

                  revision = $1

                elsif /^date:\s+(\d+.\d+.\d+\s+\d+:\d+:\d+)/ =~ line

                  date       = Time.parse($1)

                  line_utf8    = scm_iconv('UTF-8', options[:log_encoding], line)

                  author_utf8  = /author: ([^;]+)/.match(line_utf8)[1]

                  author       = scm_iconv(options[:log_encoding], 'UTF-8', author_utf8)

                  file_state   = /state: ([^;]+)/.match(line)[1]

                  # TODO:

                  #    linechanges only available in CVS....

                  #    maybe a feature our SVN implementation.

                  #    I'm sure, they are useful for stats or something else

                  #                linechanges =/lines: \+(\d+) -(\d+)/.match(line)

                  #                unless linechanges.nil?

                  #                  version.line_plus  = linechanges[1]

                  #                  version.line_minus = linechanges[2]

                  #                else

                  #                  version.line_plus  = 0

                  #                  version.line_minus = 0

                  #                end

                else

                  commit_log << line unless line =~ /^\*\*\* empty log message \*\*\*/

                end

              end

            end

          end

        rescue ScmCommandAborted

          Revisions.new

        end

        def diff(path, identifier_from, identifier_to=nil)

          logger.debug "<cvs> diff path:'#{path}'" +

              ",identifier_from #{identifier_from}, identifier_to #{identifier_to}"

          cmd_args = %w|rdiff -u|

          cmd_args << "-r#{identifier_to}"

          cmd_args << "-r#{identifier_from}"

          cmd_args << path_with_proj(path)

          diff = []

          scm_cmd(*cmd_args) do |io|

            io.each_line do |line|

              diff << line

            end

          end

          diff

        rescue ScmCommandAborted

          nil

        end

        def cat(path, identifier=nil)

          identifier = (identifier) ? identifier : "HEAD"

          logger.debug "<cvs> cat path:'#{path}',identifier #{identifier}"

          cmd_args = %w|-q co|

          cmd_args << "-D" << time_to_cvstime(identifier) if identifier

          cmd_args << "-p" << path_with_proj(path)

          cat = nil

          scm_cmd(*cmd_args) do |io|

            io.binmode

            cat = io.read

          end

          cat

        rescue ScmCommandAborted

          nil

        end

        def annotate(path, identifier=nil)

          identifier = (identifier) ? identifier : "HEAD"

          logger.debug "<cvs> annotate path:'#{path}',identifier #{identifier}"

          cmd_args = %w|rannotate|

          cmd_args << "-D" << time_to_cvstime(identifier) if identifier

          cmd_args << path_with_proj(path)

          blame = Annotate.new

          scm_cmd(*cmd_args) do |io|

            io.each_line do |line|

              next unless line =~ %r{^([\d\.]+)\s+\(([^\)]+)\s+[^\)]+\):\s(.*)$}

              blame.add_line(

                  $3.rstrip,

                  Revision.new(

                    :revision   => $1,

                    :identifier => nil,

                    :author     => $2.strip

                    ))

            end

          end

          blame

        rescue ScmCommandAborted

          Annotate.new

        end

        private

        # Returns the root url without the connexion string

        # :pserver:anonymous@foo.bar:/path => /path

        # :ext:cvsservername:/path => /path

        def root_url_path

          root_url.to_s.gsub(/^:.+:\d*/, '')

        end

        # convert a date/time into the CVS-format

        def time_to_cvstime(time)

          return nil if time.nil?

          time = Time.now if time == 'HEAD'

          unless time.kind_of? Time

            time = Time.parse(time)

          end

          return time_to_cvstime_rlog(time)

        end

        def time_to_cvstime_rlog(time)

          return nil if time.nil?

          t1 = time.clone.localtime

          return t1.strftime("%Y-%m-%d %H:%M:%S")

        end

        def normalize_cvs_path(path)

          normalize_path(path.gsub(/Attic\//,''))

        end

        def normalize_path(path)

          path.sub(/^(\/)*(.*)/,'\2').sub(/(.*)(,v)+/,'\1')

        end

        def path_with_proj(path)

          "#{url}#{with_leading_slash(path)}"

        end

        private :path_with_proj

        class Revision < Redmine::Scm::Adapters::Revision

          # Returns the readable identifier

          def format_identifier

            revision.to_s

          end

        end

        def scm_cmd(*args, &block)

          full_args = ['-d', root_url]

          full_args += args

          full_args_locale = []

          full_args.map do |e|

            full_args_locale << scm_iconv(@path_encoding, 'UTF-8', e)

          end

          ret = shellout(

                   self.class.sq_bin + ' ' + full_args_locale.map { |e| shell_quote e.to_s }.join(' '),

                   &block

                   )

          if $? && $?.exitstatus != 0

            raise ScmCommandAborted, "cvs exited with non-zero status: #{$?.exitstatus}"

          end

          ret

        end

        private :scm_cmd

      end

      class CvsRevisionHelper

        attr_accessor :complete_rev, :revision, :base, :branchid

        def initialize(complete_rev)

          @complete_rev = complete_rev

          parseRevision()

        end

        def branchPoint

          return @base

        end

        def branchVersion

          if isBranchRevision

            return @base+"."+@branchid

          end

          return @base

        end

        def isBranchRevision

          !@branchid.nil?

        end

        def prevRev

          unless @revision == 0

            return buildRevision( @revision - 1 )

          end

          return buildRevision( @revision )

        end

        def is_in_branch_with_symbol(branch_symbol)

          bpieces = branch_symbol.split(".")

          branch_start = "#{bpieces[0..-3].join(".")}.#{bpieces[-1]}"

          return ( branchVersion == branch_start )

        end

        private

        def buildRevision(rev)

          if rev == 0

            if @branchid.nil?

              @base + ".0"

            else

              @base

            end

          elsif @branchid.nil?

            @base + "." + rev.to_s

          else

            @base + "." + @branchid + "." + rev.to_s

          end

        end

        # Interpretiert die cvs revisionsnummern wie z.b. 1.14 oder 1.3.0.15

        def parseRevision()

          pieces = @complete_rev.split(".")

          @revision = pieces.last.to_i

          baseSize = 1

          baseSize += (pieces.size / 2)

          @base = pieces[0..-baseSize].join(".")

          if baseSize > 2

            @branchid = pieces[-2]

          end

        end

      end

    end

  end

end

$('#ajax-modal').html('<%= escape_javascript(render :partial => 'issue_categories/new_modal') %>');

showModal('ajax-modal', '600px');

class ChangeUsersLoginLimit < ActiveRecord::Migration

  def self.up

    change_column :users, :login, :string, :limit => nil, :default => '', :null => false

  end

  def self.down

    change_column :users, :login, :string, :limit => 30, :default => '', :null => false

  end

end

# Redmine - project management software

# Copyright (C) 2006-2012  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

module Redmine

  class CustomFieldFormat

    include Redmine::I18n

    cattr_accessor :available

    @@available = {}

    attr_accessor :name, :order, :label, :edit_as, :class_names

    def initialize(name, options={})

      self.name = name

      self.label = options[:label] || "label_#{name}".to_sym

      self.order = options[:order] || self.class.available_formats.size

      self.edit_as = options[:edit_as] || name

      self.class_names = options[:only]

    end

    def format(value)

      send "format_as_#{name}", value

    end

    def format_as_date(value)

      begin; format_date(value.to_date); rescue; value end

    end

    def format_as_bool(value)

      l(value == "1" ? :general_text_Yes : :general_text_No)

    end

    ['string','text','int','float','list'].each do |name|

      define_method("format_as_#{name}") {|value|

        return value

      }

    end

    ['user', 'version'].each do |name|

      define_method("format_as_#{name}") {|value|

        return value.blank? ? "" : name.classify.constantize.find_by_id(value.to_i).to_s

      }

    end

    class << self

      def map(&block)

        yield self

      end

      # Registers a custom field format

      def register(*args)

        custom_field_format = args.first

        unless custom_field_format.is_a?(Redmine::CustomFieldFormat)

          custom_field_format = Redmine::CustomFieldFormat.new(*args)

        end

        @@available[custom_field_format.name] = custom_field_format unless @@available.keys.include?(custom_field_format.name)

      end

      def available_formats

        @@available.keys

      end

      def find_by_name(name)

        @@available[name.to_s]

      end

      def label_for(name)

        format = @@available[name.to_s]

        format.label if format

      end

      # Return an array of custom field formats which can be used in select_tag

      def as_select(class_name=nil)

        fields = @@available.values

        fields = fields.select {|field| field.class_names.nil? || field.class_names.include?(class_name)}

        fields.sort {|a,b|

          a.order <=> b.order

        }.collect {|custom_field_format|

          [ l(custom_field_format.label), custom_field_format.name ]

        }

      end

      def format_value(value, field_format)

        return "" unless value && !value.empty?

        if format_type = find_by_name(field_format)

          format_type.format(value)

        else

          value

        end

      end

    end

  end

end