note
	description: "Represents a mutable INI document."
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	INI_DOCUMENT

inherit
	INI_PROPERTY_CONTAINER
		redefine
			make
		end

create
	make

feature {NONE} -- Initialization

	make
			-- Initialize current INI document.
		do
			Precursor {INI_PROPERTY_CONTAINER}
			create sections.make (0)
		end

feature -- Access

	document: INI_DOCUMENT
			-- Document section belongs to
		do
			Result := Current
		end

	sections: ARRAYED_LIST [INI_SECTION]
			-- Document sections

	is_empty: BOOLEAN
			-- Is document empty?
		do
			Result := sections.is_empty and properties.is_empty
		end

feature -- Query

	sections_of_name (a_name: STRING; a_ignore_case: BOOLEAN): ARRAYED_LIST [INI_SECTION]
			-- Retrieves a list of sections by name
		require
			a_name_attached: a_name /= Void
			not_a_name_is_empty: not a_name.is_empty
		local
			l_sects: like sections
			l_sect: INI_SECTION
			l_cursor: CURSOR
			l_equal: BOOLEAN
		do
			create Result.make (0)
			l_sects := sections
			if not l_sects.is_empty then
				l_cursor := l_sects.cursor
				from l_sects.start until l_sects.after loop
					l_sect := l_sects.item
					if a_ignore_case then
						l_equal := l_sect.label.is_case_insensitive_equal (a_name)
					else
						l_equal := l_sect.label.is_equal (a_name)
					end
					if l_equal then
						Result.extend (l_sect)
					end
					l_sects.forth
				end
				l_sects.go_to (l_cursor)
			end
		ensure
			result_attached: Result /= Void
		end

	section_of_name (a_name: STRING; a_ignore_case: BOOLEAN): INI_SECTION
			-- Retrieves first section of name `a_name'
		require
			a_name_attached: a_name /= Void
			not_a_name_is_empty: not a_name.is_empty
		local
			l_sects: like sections
			l_sect: INI_SECTION
			l_cursor: CURSOR
			l_equal: BOOLEAN
		do
			l_sects := sections
			if not l_sects.is_empty then
				l_cursor := l_sects.cursor
				from l_sects.start until l_sects.after or Result /= Void loop
					l_sect := l_sects.item
					if a_ignore_case then
						l_equal := l_sect.label.is_case_insensitive_equal (a_name)
					else
						l_equal := l_sect.label.is_equal (a_name)
					end
					if l_equal then
						Result := l_sect
					end
					l_sects.forth
				end
				l_sects.go_to (l_cursor)
			end
		ensure
			result_attached: not sections_of_name (a_name, a_ignore_case).is_empty implies Result /= Void
		end

end -- class {INI_DOCUMENT}