Class: RTFReader

Inherits:
Object
  • Object
show all
Defined in:
lib/oddb/redist/rtf_tools/reader.rb

Overview

Class : rtf_tools/reader

Version : 1.000 Dated : 25th January 2003 Author : Peter Hickman <[email protected]>

Description

Take a string of RTF as input and return it token by token.

Direct Known Subclasses

ODDB::Import::RtfReader

Constant Summary collapse

TOKEN_CONTROL = 
'control'
TOKEN_EOF = 
'eof'
TOKEN_GROUP = 
'group'
TOKEN_TEXT = 
'text'

Instance Method Summary collapse

Constructor Details

#initialize(buffer) ⇒ RTFReader

Returns a new instance of RTFReader.



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# File 'lib/oddb/redist/rtf_tools/reader.rb', line 21

def initialize(buffer)
	@bufferstring = buffer
	@buffer = Array.new
end

Instance Method Details

#get_token ⇒ Object 



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# File 'lib/oddb/redist/rtf_tools/reader.rb', line 28

def get_token
	@token = ''
	@body = ''
	@extra = ''

	chr = _read_char

	if not chr then
		@token = TOKEN_EOF
	else
		@body << chr

		case chr
		when '{', '}'
			@token = TOKEN_GROUP
		when '\\'
			chr = _read_char

			@body << chr

			if chr =~ /[a-zA-Z]/ then
				@token = TOKEN_CONTROL
				process_control
			else
				@token = TOKEN_TEXT
				process_text
			end
		else
			@token = TOKEN_TEXT
			process_text
		end
	end

	if @token == TOKEN_CONTROL and @body =~ /^(\\[a-zA-Z]+)(.*)$/ then
		@body = $1
		@extra = $2
	end

	return @token, @body, @extra
end