Sha256: 62bdfa149b21a89f7b417f674dd650e50874428ce755c01fc412ce44ceda003d
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Versions: 15
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Stored size: 1.54 KB
Contents
# Print nice-looking plain-text tables
# +--+-------+
# |id|name |
# |--+-------|
# |1 |fasdfas|
# |2 |test |
# +--+-------+
module Sequel
class PrettyTable
def self.hash_columns(records)
columns = []
records.each do |r|
r.keys.each {|k| columns << k unless columns.include?(k)}
end
columns
end
def self.column_sizes(records, columns)
sizes = Hash.new {0}
columns.each do |c|
s = c.to_s.size
sizes[c.to_sym] = s if s > sizes[c.to_sym]
end
records.each do |r|
columns.each do |c|
s = r[c].to_s.size
sizes[c.to_sym] = s if s > sizes[c.to_sym]
end
end
sizes
end
def self.separator_line(columns, sizes)
l = ''
'+' + columns.map {|c| '-' * sizes[c]}.join('+') + '+'
end
def self.data_line(columns, sizes, record)
'|' + columns.map {|c| "%-#{sizes[c]}s" % record[c].to_s}.join('|') + '|'
end
def self.header_line(columns, sizes)
'|' + columns.map {|c| "%-#{sizes[c]}s" % c.to_s}.join('|') + '|'
end
def self.print(records, columns = nil) # records is an array of hashes
columns ||= hash_columns(records)
sizes = column_sizes(records, columns)
puts separator_line(columns, sizes)
puts header_line(columns, sizes)
puts separator_line(columns, sizes)
records.each {|r| puts data_line(columns, sizes, r)}
puts separator_line(columns, sizes)
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems