Sha256: c85cb9e9520026b61b3ce1834bc9cdf48c6757487fc14e786bff84631c4e27ff
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Size: 1.91 KB
Versions: 8
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Stored size: 1.91 KB
Contents
#!/usr/bin/env ruby -w
# encoding: UTF-8
#
# = SimpleQueryExpander.rb -- The TaskJuggler III Project Management Software
#
# Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011
# by Chris Schlaeger <chris@linux.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
require 'strscan'
class TaskJuggler
# The SimpleQueryExpander class is used to replace embedded attribute
# queries in a string with the value of the attribute. The embedded queries
# must have the form <-name-> where name is the name of the attribute. The
# Query class is used to determine the value of the attribute within the
# context of the query.
class SimpleQueryExpander
# _inputStr_ is the String with the embedded queries. _query_ is the Query
# with that provides the evaluation context. _messageHandle_ is a
# MessageHandler that will be used for error reporting. _sourceFileInfo_
# is a SourceFileInfo reference used for error reporting.
def initialize(inputStr, query, messageHandler, sourceFileInfo)
@inputStr = inputStr
@query = query.dup
@messageHandler = messageHandler
@sourceFileInfo = sourceFileInfo
end
def expand
# Create a copy of the input string since we will modify it.
str = @inputStr.dup
# Replace all occurences of <-name->.
str.gsub!(/<-[a-zA-Z][_a-zA-Z]*->/) do |match|
len = match.size
attribute = match[2..-3]
@query.attributeId = attribute
@query.process
if @query.ok
@query.to_s
else
# The query failed. We report an error.
@messageHandler.error('sqe_expand_failed',
"Unknown attribute #{attribute}",
@sourceFileInfo)
end
end
str
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems