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Contents
module DocumentSearch
class Search
# An instance of a search type method: Regular expression
def self.regex_search_method(line, query, replace)
new_line = line.sub(/#{query}/, replace)
if match = $~
startoff = match.pre_match.length
endoff = (startoff + match[0].length) - 1
return new_line, startoff, startoff + match[0].length
end
return nil
end
# An instance of a search type method: Plain text search
def self.plain_search_method(line, query, replace)
i = line.index(query)
if i
startoff = i
endoff = i + query.length - 1
line[startoff..endoff] = replace
return line, startoff, startoff + replace.length
end
return nil
end
# An instance of a search type method: Glob text search
# Converts a glob pattern (* or ?) into a regex pattern
def self.glob_search_method(line, query, replace)
# convert the glob pattern to a regex pattern
new_query = ""
query.each_char do |c|
case c
when "*"
new_query << ".*"
when "?"
new_query << "."
else
new_query << Regexp.escape(c)
end
end
regex_search_method(line, new_query, replace)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems