lib/metanorma/standoc/latexml_requirement.rb in metanorma-standoc-1.3.2 vs lib/metanorma/standoc/latexml_requirement.rb in metanorma-standoc-1.3.3

@@ -1,51 +1,60 @@
 require_relative "./requirement"
 
 module Metanorma
   module Standoc
     class LatexmlRequirement < Requirement
+      @recommended_version = '0.8.4'
+      @minimal_version = '0.8.0'
+
       def initialize
-        @recommended_version = '0.8.4'
-        @minimal_version = '0.8.0'
         version_output, = Open3.capture2e("latexml --VERSION")
-        @actual_version = version_output&.match(%r{\d+(.\d+)*})
-      rescue
-        warn "LaTeXML not found in PATH, please ensure that LaTeXML is installed."
-      end
+        version = version_output&.match(%r{\d+(.\d+)*})
 
-      def satisfied
-        version = @actual_version
-
         if version.to_s.empty?
-          abort "LaTeXML not found in PATH, please ensure that LaTeXML is installed."
-        end
+          @error_message = "LaTeXML not installed (or don't works properly)."\
+              " You must upgrade/install LaTeXML to #{@recommended_version} version"
 
-        if Gem::Version.new(version) < Gem::Version.new(@minimal_version)
-          abort "Minimal supported LaTeXML version is #{@minimal_version} "\
-                "found #{version}, recommended version is #{@recommended_version}"
-        end
-        
-        if Gem::Version.new(version) < Gem::Version.new(@recommended_version)
+        elsif Gem::Version.new(version) < Gem::Version.new(@minimal_version)
+          @error_message = "Minimal supported LaTeXML version is #{@minimal_version} "\
+              "found #{version}, recommended version is #{@recommended_version}"
+
+        elsif Gem::Version.new(version) < Gem::Version.new(@recommended_version)
           version = "unknown" if version.to_s.empty?
-          header_msg = "WARNING latexmlmath version #{version} below #{@recommended_version}!"
+          header_msg = "latexmlmath version #{version} below #{@recommended_version}!"
           suggestion = if Gem.win_platform?
                          "cmd encoding is set to UTF-8 with `chcp 65001`"
                        else
                          "terminal encoding is set to UTF-8 with `export LANG=en_US.UTF-8`"
                        end
 
-          warn "#{header_msg} Please sure that #{suggestion} command"
+          @error_message = "WARNING #{header_msg} Please sure that #{suggestion} command"
 
           @cmd = "latexmlmath --preload=amsmath -- -"
         else
           @cmd = "latexmlmath --preload=amsmath --inputencoding=UTF-8 -- -"
         end
+      rescue
+        @error_message = "LaTeXML not installed (or don't works properly)."\
+            " You must upgrade/install LaTeXML to #{@recommended_version} version"
       end
 
-      def cmd
-        if @cmd.nil?
-          satisfied
+      def satisfied(abort = false)
+        unless @error_message.nil?
+          if abort
+            abort @error_message
+          else
+            warn @error_message
+          end
         end
+
+        @error_message.nil?
+      end
+
+      def cmd
+        abort @error_message unless @error_message.nil?
+
+        @cmd
       end
     end
   end
 end
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