First Commit

html/sternwarte/checkfuehrung/node_modules/cardinal/bin/cdl.js

@@ -0,0 +1,78 @@
+#!/usr/bin/env node
+var cardinal = require('..')
+var path = require('path')
+var settings = require('../settings')
+var args = process.argv
+var theme = settings.resolveTheme()
+var opts = settings.getSettings()
+var highlighted
+
+opts = opts || {}
+opts.theme = theme
+// jsx is only turned on when highlighting non-json files
+opts.jsx = false
+
+function usage() {
+  var msg = [
+      'Usage: cdl <filename.js> [options]'
+    , ''
+    , 'Options (~/.cardinalrc overrides):'
+    , '  --nonum: turn off line printing'
+    , ''
+    , 'Unix Pipe Example: cat filename.js | grep console | cdl'
+    , ''
+  ].join('\n')
+  console.log(msg)
+}
+
+function highlightFile() {
+  try {
+    // Enabling jsx for JSON breaks most likelely due to esprima AST generation
+    // not working for JSON
+    opts.jsx = path.extname(args[2]) !== '.json'
+    highlighted = cardinal.highlightFileSync(args[2], opts)
+    console.log(highlighted)
+  } catch (e) {
+    console.trace()
+    console.error(e)
+  }
+}
+
+(function runner() {
+// E.g., "cardinal myfile.js"
+if (args.length === 3) return highlightFile()
+
+var opt = args[3]
+
+// E.g., "cardinal myfile.js --nonum"
+if (opt && opt.indexOf('--') === 0) {
+  if ((/^--(nonum|noline)/i).test(opt)) opts.linenos = false
+  else {
+    usage()
+    return console.error('Unknown option: ', opt)
+  }
+
+  return highlightFile()
+}
+
+// UNIX pipes e.g., "cat myfile.js | grep console | cardinal
+var stdin = process.stdin
+var stdout = process.stdout
+
+// line numbers don't make sense when we are printing line by line
+opts.linenos = false
+
+stdin.setEncoding('utf-8')
+stdin.resume()
+stdin
+  .on('data', function(chunk) {
+    chunk.split('\n').forEach(function(line) {
+      try {
+        stdout.write(cardinal.highlight(line, opts) + '\n')
+      } catch (e) {
+        // line doesn't represent a valid js snippet and therefore cannot be parsed -> just print as is
+        stdout.write(line + '\n')
+      }
+    })
+  })
+})()