command line utility

README.md

@@ -46,6 +46,10 @@ Html usage with a Canvas rendering target:
 
 An experimental (and not fully featured) SVG rendering mode is available as the `nomnoml.renderSvg` function.
 
+## Command Line Interface
+
+`dist/nomnoml-cli.js` exposes the SVG renderer with a command line interface. This mode also supports the `#import: <filename>` directive which allow you to separate complex diagrams into multiple files.
+
 ## Web application
 
 The [nomnoml](http://www.nomnoml.com) web application is a simple editor with a live preview. It is purely client side and changes are saved to the browser's _localStorage_, so your diagram should be here the next time, (but no guarantees).
@@ -127,6 +131,10 @@ This is how the Decorator pattern looks like in nomnoml syntax:
     #title: filename
     #zoom: 1
 
+Directives only available when using the command line interface
+
+    #import: my-common-styles.nomnoml
+
 ### Custom classifier styles
 
 A directive that starts with "." define a classifier style.

dist/nomnoml-cli.js

@@ -6,18 +6,20 @@ var args = process.argv
 
 if (args[2] == '--help' || args.length == 2){
   console.log(`
-  Load source file and send rendered svg to stdout
+  Nomnoml command line utility for generating SVG diagrams.
 
-  nomnoml <source_file>
+  Load source file and send rendered svg to stdout:
 
-  Load source file and save rendered svg to <output_file>
+  > node nomnoml-cli.js <source_file>
+
+  Load source file and save rendered svg to <output_file>:
   
-  nomnoml <source_file> <output_file>
+  > node nomnoml-cli.js <source_file> <output_file>
 
   Third parameter overrides the import depth limit
-  that protects us from recursive imports
+  that protects us from recursive imports:
 
-  nomnoml <source_file> <output_file> <max_import_chain_length>`)
+  > node nomnoml-cli.js <source_file> <output_file> <max_import_chain_length>`)
   return
 }
 

sample-style.nomnoml

@@ -0,0 +1 @@
+#.box: fill=pink italic bold visual=rhomb

sample.nomnoml

@@ -1,5 +1,5 @@
 #direction: right
-#.box: fill=pink italic bold visual=rhomb
+#import: sample-style.nomnoml
 
 [<frame>frame|[some class]]
 [<package>package|[some class]]