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+# encoding: utf-8
+=begin
+
+* Name: SiSU
+
+** Description: documents, structuring, processing, publishing, search
+*** system environment, resource control and configuration details
+
+** Author: Ralph Amissah
+ <ralph@amissah.com>
+ <ralph.amissah@gmail.com>
+
+** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Ralph Amissah,
+ All Rights Reserved.
+
+** License: GPL 3 or later:
+
+ SiSU, a framework for document structuring, publishing and search
+
+ Copyright (C) Ralph Amissah
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+
+ If you have Internet connection, the latest version of the GPL should be
+ available at these locations:
+ <http://www.fsf.org/licensing/licenses/gpl.html>
+ <http://www.gnu.org/licenses/gpl.html>
+
+ <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
+
+** SiSU uses:
+ * Standard SiSU markup syntax,
+ * Standard SiSU meta-markup syntax, and the
+ * Standard SiSU object citation numbering and system
+
+** Hompages:
+ <http://www.jus.uio.no/sisu>
+ <http://www.sisudoc.org>
+
+** Git
+ <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
+ <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/se_db.rb;hb=HEAD>
+
+=end
+module SiSU_Info_Db
+ require_relative 'constants' # constants.rb
+ require_relative 'utils' # utils.rb
+ require_relative 'se_info_env' # se_info_env.rb
+ class InfoDb < SiSU_Info_Env::InfoEnv # se_info_env.rb
+ @@rc=nil
+ def initialize
+ @@pwd=@pwd=SiSU_Utils::Path.new.base_markup
+ @env=SiSU_Env::InfoEnv.new
+ pt=Pathname.new(@pwd)
+ r=Px[:lng_lst_rgx]
+ u=/.+?\/([^\/]+)(?:\/(?:#{r})$|$)/
+ @pwd_stub=pt.realpath.to_s[u,1]
+ @rc=@@rc ||=SiSU_Env::GetInit.new.sisu_yaml.rc
+ @defaults=SiSU_Env::InfoEnv.new.defaults
+ end
+ def share_source?
+ ((defined? @rc['db']['share_source']) \
+ && @rc['db']['share_source']==true) \
+ ? @rc['db']['share_source']
+ : false
+ end
+ def engine
+ def default
+ ((defined? @rc['db']['engine']['default']) \
+ && @rc['db']['engine']['default']=~/postgresql|sqlite/) \
+ ? @rc['db']['engine']['default']
+ : 'sqlite'
+ end
+ self
+ end
+ def psql
+ def user(opt=nil)
+ if opt \
+ and opt.selections.str =~/--db-user[=-]["']?(\S+)["']+/
+ $1
+ elsif opt \
+ and opt.selections.str =~/--webserv[=-]webrick/
+ @env.user
+ else
+ ((defined? @rc['db']['postgresql']['user']) \
+ && @rc['db']['postgresql']['user']=~/\S+/) \
+ ? @rc['db']['postgresql']['user']
+ : @env.user
+ end
+ end
+ def db #db_name
+ "#{Db[:name_prefix]}#{@pwd_stub}"
+ end
+ def port #PGPORT
+ ((defined? @rc['db']['postgresql']['port']) \
+ && ( @rc['db']['postgresql']['port'] =~/\d+/ \
+ || @rc['db']['postgresql']['port'].is_a?(Fixnum))) \
+ ? @rc['db']['postgresql']['port']
+ : (@defaults[:postgresql_port])
+ end
+ def password
+ ((defined? @rc['db']['postgresql']['password']) \
+ && @rc['db']['postgresql']['password']=~/\S+/) \
+ ? @rc['db']['postgresql']['password']
+ : ''
+ end
+ def host
+ ((defined? @rc['db']['postgresql']['host']) \
+ && @rc['db']['postgresql']['host']=~/(?:\S{1,3}\.){3}\S{1,3}|\S+?\.\S+/) \
+ ? @rc['db']['postgresql']['host']
+ : ''
+ end
+ def dbi
+ PG::Connection.open(:dbname => psql.db)
+ end
+ def dbi_
+ (psql.host =~/(?:\S{1,3}\.){3}\S{1,3}|\S+?\.\S+/) \
+ ? "DBI:Pg:database=#{psql.db};host=#{psql.host};port=#{psql.port}"
+ : "DBI:Pg:database=#{psql.db};port=#{psql.port}"
+ end
+ def conn_dbi
+ DBI.connect(psql.dbi,psql.user,psql.db)
+ end
+ def conn_pg
+ begin
+ require 'pg'
+ rescue LoadError
+ SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
+ error('pg NOT FOUND (LoadError)')
+ end
+ PG::Connection.new(dbname: psql.db, port: psql.port)
+ end
+ self
+ end
+ def sqlite
+ def db
+ "#{@env.path.webserv}/#{@pwd_stub}/sisu_sqlite.db"
+ end
+ def db_discrete(md)
+ # "#{@env.path.webserv}/#{@pwd_stub}/sisu_sqlite.db"
+ end
+ def dbi
+ "DBI:SQLite3:#{sqlite.db}" #sqlite3 ?
+ end
+ def sqlite3
+ sqlite.db #sqlite3 ?
+ end
+ def conn_dbi
+ DBI.connect(sqlite.dbi)
+ end
+ def conn_sqlite3
+ SQLite3::Database.new(sqlite.sqlite3)
+ end
+ self
+ end
+ end
+end
+module SiSU_Db_Op
+ require_relative 'constants' # constants.rb
+ require_relative 'utils' # utils.rb
+ class DbOp < SiSU_Info_Db::InfoDb
+ def initialize(md)
+ begin
+ @md=md
+ rescue
+ SiSU_Screen::Ansi.new(md.opt.selections.str,$!,$@).rescue do
+ __LINE__.to_s + ':' + __FILE__
+ end
+ ensure
+ end
+ end
+ def sqlite_discrete
+ def db
+ @md.file.output_path.sqlite_discrete.dir \
+ + '/' \
+ + @md.file.base_filename.sqlite_discrete
+ end
+ def dbi
+ "DBI:SQLite3:#{sqlite_discrete.db}"
+ end
+ def sqlite3
+ sqlite_discrete.db
+ end
+ def conn_dbi
+ DBI.connect(sqlite_discrete.dbi)
+ end
+ def conn_sqlite3
+ begin
+ $sqlite3=:yes
+ require 'sqlite3'
+ SQLite3::Database.new(sqlite_discrete.sqlite3)
+ rescue LoadError
+ $sqlite3=:no
+ SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
+ error('sqlite3 NOT FOUND (LoadError)')
+ end
+ end
+ self
+ end
+ end
+end
+__END__