X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Futil.cc;fp=src%2Futil.cc;h=d5b6cb9f4eaeed6ccc33a493ea6766eac9389446;hb=5ad493e6900f621284748fe50b3f60f67929ffc2;hp=df79fb26e1a3dc52dba989c3718889b0fc48715f;hpb=a266fc223ecb7a696fa9dc35422ef0264b1c3c40;p=libdcp.git

diff --git a/src/util.cc b/src/util.cc
index df79fb26..d5b6cb9f 100644
--- 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));
+	}
+}