Fully indent PKL/CPL.

[libdcp.git] / src / util.cc

diff --git a/src/util.cc b/src/util.cc
index df79fb26e1a3dc52dba989c3718889b0fc48715f..d5b6cb9f4eaeed6ccc33a493ea6766eac9389446 100644 (file)
--- a/src/util.cc
+++ b/src/util.cc
@@ -55,6 +55,7 @@
 #include <openssl/sha.h>
 #include <boost/filesystem.hpp>
 #include <boost/algorithm/string.hpp>
+#include <boost/foreach.hpp>
 #include <stdexcept>
 #include <iostream>
 #include <iomanip>
@@ -348,3 +349,30 @@ dcp::openjpeg_version ()
 {
        return opj_version ();
 }
+
+string
+dcp::spaces (int n)
+{
+       string s = "";
+       for (int i = 0; i < n; ++i) {
+               s += " ";
+       }
+       return s;
+}
+
+void
+dcp::indent (xmlpp::Element* element, int initial)
+{
+       xmlpp::Node* last = 0;
+       BOOST_FOREACH (xmlpp::Node * n, element->get_children()) {
+               xmlpp::Element* e = dynamic_cast<xmlpp::Element*>(n);
+               if (e) {
+                       element->add_child_text_before (e, "\n" + spaces(initial + 2));
+                       indent (e, initial + 2);
+                       last = n;
+               }
+       }
+       if (last) {
+               element->add_child_text (last, "\n" + spaces(initial));
+       }
+}