# CSV -- module for generating/parsing CSV data.

# Copyright (C) 2000-2004 NAKAMURA, Hiroshi <[email protected]>.

# $Id$

# This program is copyrighted free software by NAKAMURA, Hiroshi. You can

# redistribute it and/or modify it under the same terms of Ruby's license;

# either the dual license version in 2003, or any later version.

class CSV

class IllegalFormatError < RuntimeError; end

def CSV.read(path, length = nil, offset = nil)

CSV.parse(IO.read(path, length, offset))

end

def CSV.readlines(path, rs = nil)

reader = open_reader(path, 'r', ',', rs)

begin

end

result_str

end

# Parse a line from string. Consider using CSV.parse_line instead.

# To parse lines in CSV string, see EXAMPLE below.

#

end

return parsed_cells, idx

end

# Convert a line from cells data to string. Consider using CSV.generate_line

# instead. To generate multi-row CSV string, see EXAMPLE below.

#

end

parsed_cells

end

# Private class methods.

class << self

private

end

nil

else

writer.close_on_terminate

writer

end

last_idx = idx

return :DT_EOS, idx, cell

end

def generate_body(cell, out_dev, fs, rs)

if cell.nil?

# empty

end

end

end

def generate_separator(type, out_dev, fs, rs)

case type

when :DT_COLSEP

# Define if needed.

end

end

class StringReader < Reader

def initialize(string, fs = ',', rs = nil)

# returns char at idx if n == nil.

# returns a partial string, from idx to (idx + n) if n != nil. at EOF,

# the string size could not equal to arg n.

if idx < 0

return nil

end

end

end

alias get []

# drop a string from the stream.

# returns dropped size. at EOF, dropped size might not equals to arg n.

# Once you drop the head of the stream, access to the dropped part via []

end

size_dropped

end

def is_eos?

return idx_is_eos?(0)

end

# WARN: Do not instantiate this class directly. Define your own class

# which derives this class and define 'read' instance method.

def initialize

add_buf

@cur_buf = @buf_tail_idx

end

protected

def terminate

while (rel_buf); end

end

# protected method 'read' must be defined in derived classes.

# CAUTION: Returning a string which size is not equal to 'size' means

# EnfOfStream. When it is not at EOS, you must block the callee, try to

def read(size) # raise EOFError

raise NotImplementedError.new('Method read must be defined in a derived class.')

end

private

def buf_size(idx)

@buf_list[idx].size

end

true

end

end

def rel_buf

if (@cur_buf < 0)

return false

return true

end

end

def idx_is_eos?(idx)

(@is_eos and ((@cur_buf < 0) or (@cur_buf == @buf_tail_idx)))

end

BufSize = 1024 * 8

end

@s = s

super()

end

def close

terminate

end

def read(size)

@s.read(size)

end

def terminate

super()

end