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@@ -42,10 +42,30 @@ module Util
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end
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end
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+ def remove_setting(section_name, setting)
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+ section = @sections_hash[section_name]
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+ if (section.has_existing_setting?(setting))
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+ # If the setting is found, we have some work to do.
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+ # First, we remove the line from our array of lines:
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+ remove_line(section, setting)
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+
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+ # Then, we need to tell the setting object to remove
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+ # the setting from its state:
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+ section.remove_existing_setting(setting)
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+
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+ # Finally, we need to update all of the start/end line
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+ # numbers for all of the sections *after* the one that
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+ # was modified.
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+ section_index = @section_names.index(section_name)
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+ decrement_section_line_numbers(section_index + 1)
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+ end
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+ end
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+
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def save
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File.open(@path, 'w') do |fh|
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@section_names.each do |name|
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+
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section = @sections_hash[name]
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if section.start_line.nil?
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@@ -113,6 +133,16 @@ module Util
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end
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end
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+ def remove_line(section, setting)
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+ (section.start_line..section.end_line).each do |line_num|
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+ if (match = SETTING_REGEX.match(lines[line_num]))
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+ if (match[1] == setting)
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+ lines.delete_at(line_num)
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+ end
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+ end
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+ end
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+ end
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+
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def create_line_iter
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ExternalIterator.new(lines)
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end
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@@ -132,6 +162,17 @@ module Util
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File.readlines(path)
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end
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+
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+ # Utility method; given a section index (index into the @section_names
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+ # array), decrement the start/end line numbers for that section and all
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+ # all of the other sections that appear *after* the specified section.
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+ def decrement_section_line_numbers(section_index)
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+ @section_names[section_index..(@section_names.length - 1)].each do |name|
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+ section = @sections_hash[name]
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+ section.decrement_line_nums
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+ end
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+ end
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+
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end
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end
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end
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