diff options
Diffstat (limited to 'scripts/context/ruby/base/texutil.rb')
| -rw-r--r-- | scripts/context/ruby/base/texutil.rb | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/scripts/context/ruby/base/texutil.rb b/scripts/context/ruby/base/texutil.rb index 47c613474..c279bcc97 100644 --- a/scripts/context/ruby/base/texutil.rb +++ b/scripts/context/ruby/base/texutil.rb @@ -172,10 +172,14 @@ class TeXUtil end def prepare - @rexa = /(#{@rep.keys.join('|')})/o + if @rep.size > 0 then + @rexa = /(#{@rep.keys.join('|')})/ # o + else + @rexa = nil + end if @map.size > 0 then # watch out, order of match matters - @rexb = /(\\[a-zA-Z]+|#{@map.keys.join('|')}|.)\s*/o + @rexb = /(\\[a-zA-Z]+|#{@map.keys.join('|')}|.)\s*/ # o else @rexb = /(\\[a-zA-Z]+|.)\s*/o end @@ -186,17 +190,21 @@ class TeXUtil s.gsub!(/(\d+)/o) do $1.rjust(10,'a') # rest is b .. k end - s.gsub!(@rexa) do - @rep[$1.escaped] + if @rexa then + s.gsub!(@rexa) do + @rep[$1.escaped] + end end - s.gsub!(@rexb) do - token = $1.sub(/\\/o, '') - if @exp.key?(token) then - @exp[token].ljust(@max,' ') - elsif @map.key?(token) then - @map[token].ljust(@max,' ') - else - '' + if @rexb then + s.gsub!(@rexb) do + token = $1.sub(/\\/o, '') + if @exp.key?(token) then + @exp[token].ljust(@max,' ') + elsif @map.key?(token) then + @map[token].ljust(@max,' ') + else + '' + end end end s |