Improve ebook generation (toc, ...)

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/utils/string.js b/lib/utils/string.js
new file mode 100644
index 0000000..52cbd3d
--- /dev/null
+++ b/lib/utils/string.js
@@ -0,0 +1,25 @@
+var _ = require("lodash");
+
+function escapeShellArg(arg) {
+    var ret = '';
+
+    ret = arg.replace(/"/g, '\\"');
+
+    return "\"" + ret + "\"";
+}
+
+function optionsToShellArgs(options) {
+    return _.chain(options)
+    .map(function(value, key) {
+        if (value == null) return null;
+        return key+"="+escapeShellArg(value);
+    })
+    .compact()
+    .value()
+    .join(" ");
+}
+
+module.exports = {
+    escapeShellArg: escapeShellArg,
+    optionsToShellArgs: optionsToShellArgs
+};