init

node_modules/sdp-transform/checker.js

@@ -0,0 +1,47 @@
+#!/usr/bin/env node
+
+var transform = require('./')
+  , file = require('path').join(process.cwd(), process.argv[2])
+  , sdp = require('fs').readFileSync(file).toString()
+  , parsed = transform.parse(sdp)
+  , written = transform.write(parsed)
+  , writtenLines = written.split('\r\n')
+  , origLines = sdp.split('\r\n')
+  , numMissing = 0
+  , numNew = 0
+  ;
+
+var parseFails = 0;
+parsed.media.forEach(function (media) {
+  (media.invalid || []).forEach(function (inv) {
+    console.warn('unrecognized a=' + inv.value + ' belonging to m=' + media.type);
+    parseFails += 1;
+  });
+});
+var parseStr = parseFails + ' unrecognized line(s) copied blindly';
+
+origLines.forEach(function (line, i) {
+  if (writtenLines.indexOf(line) < 0) {
+    console.error('l' + i + ' lost (' + line + ')');
+    numMissing += 1;
+  }
+});
+
+writtenLines.forEach(function (line, i) {
+  if (origLines.indexOf(line) < 0) {
+    console.error('l' + i + ' new (' + line + ')');
+    numNew += 1;
+  }
+});
+
+var failed = (numMissing > 0 || numNew > 0);
+if (failed) {
+  console.log('\n' + file + ' changes during transform:');
+  console.log(numMissing + ' missing line(s), ' + numNew + ' new line(s)%s',
+    parseFails > 0 ? ', ' + parseStr : ''
+  );
+}
+else {
+  console.log(file + ' verified%s', parseFails > 0 ? ', but had ' + parseStr : '');
+}
+process.exit(failed ? 1 : 0);