v3dv: sqlite3 discreet .sql.db file for each document (possibility added)

* in addition to existing possibility of a shared db in sqlite3 or postgresql

1 files changed, 158 insertions, 0 deletions

diff --git a/lib/sisu/v3dv/dbi_discreet.rb b/lib/sisu/v3dv/dbi_discreet.rb
new file mode 100644
index 00000000..d9ecd8e7
--- /dev/null
+++ b/lib/sisu/v3dv/dbi_discreet.rb
@@ -0,0 +1,158 @@
+# encoding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997 - 2012, 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.jus.uio.no/sisu/gpl.fsf/toc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/doc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt>
+
+ * 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>
+
+ * Download:
+   <http://www.jus.uio.no/sisu/SiSU/download.html>
+
+ * Ralph Amissah
+   <ralph@amissah.com>
+   <ralph.amissah@gmail.com>
+
+ ** Description: postgresql module, dbi import frame
+
+=end
+module  SiSU_DBI_Discreet                               #% database building
+  require_relative 'help'                               # help.rb
+  require_relative 'sysenv'                             # sysenv.rb
+    include SiSU_Env; include SiSU_Screen
+  require_relative 'param'                              # param.rb
+    include SiSU_Param
+  require_relative 'db_dbi'                             # db_dbi.rb
+    include SiSU_DbDBI
+  require_relative 'shared_html_lite'                   # shared_html_lite.rb
+    include SiSU_FormatShared
+  require 'fileutils'
+    include FileUtils::Verbose
+  class SQL
+    def initialize(opt)
+      SiSU_Env::Load.new('dbi',true).prog
+      @opt=opt
+      @particulars=SiSU_Particulars::CombinedSingleton.instance.get_all(opt)
+      @md=@particulars.md
+      if @opt.cmd =~/[d]/ \
+      or  @opt.mod.inspect =~/--((?:sq)?lite)/
+        @sql_type='sqlite'
+        maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+      end
+      @output_path=@md.file.output_path.sqlite_discreet.dir
+      @filename=@md.file.base_filename.sqlite_discreet
+      @file="#{@output_path}/#{@filename}"
+    end
+    def build
+      prepare
+      create_and_populate
+    end
+    def maintenance_check(opt,file,line)
+      p opt.mod
+      p opt.cmd
+      p "at #{file} #{line}"
+    end
+    def prepare
+      if not FileTest.directory?(@output_path)
+        FileUtils::mkdir_p(@output_path)
+      elsif @file
+        FileUtils::rm_rf(@file)
+      end
+    end
+    def db_exist?(db,conn)
+      msg=%{no connection with sqlite database established, createdb "#{db.sqlite.db}"?}
+      if (not (FileTest.file?(db.sqlite.db)) \
+      or FileTest.zero?(db.sqlite.db))
+        puts msg
+        exit
+      end
+      if conn.class==NilClass
+        puts msg
+        exit
+      end
+    end
+    def create_and_populate
+      db=SiSU_Env::DbOp.new(@md)
+      conn=db.sqlite_discreet.conn_sqlite3
+      sdb=SiSU_DbDBI::Create.new(@opt,conn,@file,'sqlite')
+      sdb_index=SiSU_DbDBI::Index.new(@opt,conn,@file,'sqlite')
+      sdb.output_dir?
+      begin
+        sdb.create_db
+        sdb.create_table.metadata_and_text
+        sdb.create_table.doc_objects
+        sdb.create_table.endnotes
+        sdb.create_table.endnotes_asterisk
+        sdb.create_table.endnotes_plus
+        sdb.create_table.urls
+        sdb_index.create_indexes
+        db_exist?(db,conn)
+        sdb_import=SiSU_DbDBI::Import.new(@opt,conn,@file,'sqlite')
+        sdb_import.marshal_load
+        tell=SiSU_Screen::Ansi.new(@opt.cmd,"sqlite3 #{db.sqlite.db} database?")
+        tell.puts_grey if @opt.cmd =~/v/
+      rescue;  SiSU_Errors::InfoError.new($!,$@,'-d').error; sdb.output_dir?
+      end
+    end
+    def read_sqlite
+      begin
+        @conn=@db.sqlite.conn_sqlite3
+      rescue
+      ensure
+      end
+    end
+    def connect
+      begin
+        sql_type='sqlite'
+        SiSU_Screen::Ansi.new(@opt.cmd,"DBI (#{@sql_type}) #{@opt.mod}",@opt.fns).dbi_title unless @opt.cmd =~/q/
+        @db.sqlite_discreet.conn_sqlite3
+      rescue
+        SiSU_Errors::InfoError.new($!,$@,@cf,@opt.fns).error
+      ensure
+      end
+    end
+    def populate
+    end
+  end
+end
+__END__