Module: Numo::Gnuplot::OptArg
- Defined in:
- lib/numo/gnuplot.rb
Constant Summary collapse
- NEED_QUOTE =
%w[ background cblabel clabel commentschars dashtype decimalsign file fontpath format locale logfile missing name newhistogram output prefix print rgb separator table timefmt title x2label xlabel y2label ylabel zlabel xy ]
- NONEED_QUOTE =
%w[ for log smooth ]
Class Method Summary collapse
- .from_symbol(s) ⇒ Object
- .parse(*opts) ⇒ Object
- .parse_kv(s, v) ⇒ Object
- .quote(s) ⇒ Object
- .squote(s) ⇒ Object
Class Method Details
.from_symbol(s) ⇒ Object
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# File 'lib/numo/gnuplot.rb', line 475 def from_symbol(s) s = s.to_s if /^(.*)_(noquote|nq)$/ =~ s s = $1 end s.tr('_',' ') end |
.parse(*opts) ⇒ Object
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# File 'lib/numo/gnuplot.rb', line 483 def parse(*opts) sep = "," a = [] while opt = opts.shift if !opt.kind_of?(Numeric) sep = " " end case opt when Symbol a << from_symbol(opt) case opt when :label if opts.first.kind_of?(Integer) a << opts.shift.to_s end if opts.first.kind_of?(String) a << OptArg.quote(opts.shift) end when NEED_QUOTE if opts.first.kind_of?(String) a << OptArg.quote(opts.shift) end end when Array a << parse(*opt) when Hash a << opt.map{|k,v| parse_kv(k,v)}.compact.join(" ") when Range a << "[#{opt.begin}:#{opt.end}]" else a << opt.to_s end end a.join(sep) end |
.parse_kv(s, v) ⇒ Object
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# File 'lib/numo/gnuplot.rb', line 587 def parse_kv(s,v) k = from_symbol(s) case s.to_sym when :at case v when String "#{k} #{v}" # not quote when Array "#{k} #{v.map{|x| x.to_s}.join(",")}" else "#{k} #{parse(v)}" end when :label case v when String "#{k} #{OptArg.quote(v)}" when Array if v[0].kind_of?(Integer) && v[1].kind_of?(String) "#{k} #{parse(v[0],OptArg.quote(v[1]),*v[2..-1])}" elsif v[0].kind_of?(String) "#{k} #{parse(OptArg.quote(v[0]),*v[1..-1])}" else "#{k} #{parse(*v)}" end when TrueClass k else "#{k} #{parse(v)}" end when NEED_QUOTE case v when String "#{k} #{OptArg.quote(v)}" when TrueClass k when NilClass nil when FalseClass nil when Array case v[0] when String if v.size == 1 "#{k} #{OptArg.quote(v[0])}" else "#{k} #{OptArg.quote(v[0])} #{parse(*v[1..-1])}" end else "#{k} #{parse(*v)}" end else "#{k} #{parse(v)}" end else case v when String "#{k} #{v}" when TrueClass k when NilClass nil when FalseClass nil when Array re = /^#{k}/ if re =~ "using" || re =~ "every" "#{k} #{v.join(':')}" elsif v.empty? k else "#{k} #{parse(*v)}" end else "#{k} #{parse(v)}" end end end |
.quote(s) ⇒ Object
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# File 'lib/numo/gnuplot.rb', line 562 def quote(s) case s when String if /^'(.*)'$/ =~ s || /^"(.*)"$/ =~ s s = $1 end s.inspect else s end end |
.squote(s) ⇒ Object
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# File 'lib/numo/gnuplot.rb', line 574 def squote(s) case s when String if /^'.*'$/ =~ s || /^".*"$/ =~ s s else "'#{s}'" end else s end end |