93 lines
2.2 KiB
Ruby
93 lines
2.2 KiB
Ruby
#--
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# Copyright (C) 2006 Andrea Censi <andrea (at) rubyforge.org>
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#
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# This file is part of Maruku.
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#
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# Maruku is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Maruku is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Maruku; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#++
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#m Any method that detects formatting error calls the
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#m maruku_error() method.
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#m if @meta[:on_error] ==
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#m
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#m - :warning write on the standard err (or @error_stream if defined),
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#m then do your best.
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#m - :ignore be shy and try to continue
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#m - :raise raises a MarukuException
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#m
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#m default is :raise
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module MaRuKu
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class Exception < RuntimeError
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end
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module Errors
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def maruku_error(s,src=nil,con=nil)
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policy = get_setting(:on_error)
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case policy
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when :ignore
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when :raise
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raise_error create_frame(describe_error(s,src,con))
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when :warning
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tell_user create_frame(describe_error(s,src,con))
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else
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raise "BugBug: policy = #{policy.inspect}"
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end
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end
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def maruku_recover(s,src=nil,con=nil)
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tell_user create_frame(describe_error(s,src,con))
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end
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alias error maruku_error
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def raise_error(s)
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raise MaRuKu::Exception, s, caller
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end
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def tell_user(s)
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error_stream = self.attributes[:error_stream] || $stderr
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error_stream << s
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end
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def create_frame(s)
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n = 75
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"\n" +
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" "+"_"*n + "\n"+
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"| Maruku tells you:\n" +
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"+" + ("-"*n) +"\n"+
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add_tabs(s,1,'| ') + "\n" +
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"+" + ("-"*n) + "\n" +
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add_tabs(caller[0, 5].join("\n"),1,'!') + "\n" +
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"\\" + ("_"*n) + "\n"
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end
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def describe_error(s,src,con)
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t = s
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src && (t += "\n#{src.describe}\n")
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con && (t += "\n#{con.describe}\n")
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t
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end
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end # Errors
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end # MaRuKu
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