Adds CSS option to the CLI

lib/cli.js

@@ -24,6 +24,7 @@ function cli(options) {
         , verbose: 'v'
         , phantomPath: 'e'
         , sequenceConfig: 'c'
+        , css: 't'
       }
     , 'boolean': ['help', 'png', 'svg']
     , 'string': ['outputDir']
@@ -42,6 +43,7 @@ function cli(options) {
     , "  -p --png             If SVG was selected, and you also want PNG, set this flag"
     , "  -o --outputDir       Directory to save files, will be created automatically, defaults to `cwd`"
     , "  -e --phantomPath     Specify the path to the phantomjs executable"
+    , "  -t --css             Specify the path to a CSS file to be included when processing output"
     , "  -c --sequenceConfig  Specify the path to the file with the configuration to be applied in the sequence diagram"
     , "  -h --help            Show this message"
     , "  -v --verbose         Show logging"
@@ -72,7 +74,7 @@ cli.prototype.parse = function(argv, next) {
     }
 
     // ensure that parameter-expecting options have parameters
-    ;['outputDir', 'phantomPath', 'sequenceConfig'].forEach(function(i) {
+    ;['outputDir', 'phantomPath', 'sequenceConfig', 'css'].forEach(function(i) {
       if(typeof options[i] !== 'undefined') {
         if (typeof options[i] !== 'string' || options[i].length < 1) {
           this.errors.push(new Error(i + " expects a value."))
@@ -92,6 +94,14 @@ cli.prototype.parse = function(argv, next) {
       options.sequenceConfig = checkConfig(options.sequenceConfig)
     }
 
+    if (options.css) {
+      try {
+        options.css = fs.readFileSync(options.css, 'utf8')
+      } catch (err) {
+        this.errors.push(err)
+      }
+    }
+
     this.checkPhantom = createCheckPhantom(options.phantomPath)
 
     this.checkPhantom(function(err, path) {