Tempo ramps - correct fix for adding/replacing meters.

[ardour.git] / libs / pbd / xml++.cc

diff --git a/libs/pbd/xml++.cc b/libs/pbd/xml++.cc
index 6d260f252503e4098e85a5604df9dbe44ffc4e3b..80fc88242dc9884dc79b5351a10bcd37830c981c 100644 (file)
--- a/libs/pbd/xml++.cc
+++ b/libs/pbd/xml++.cc
@@ -6,7 +6,10 @@
  */
 
 #include <iostream>
+
+#include "pbd/stacktrace.h"
 #include "pbd/xml++.h"
+
 #include <libxml/debugXML.h>
 #include <libxml/xpath.h>
 #include <libxml/xpathInternals.h>
@@ -404,7 +407,32 @@ XMLNode::add_content(const string& c)
        return add_child_copy(XMLNode (string(), c));
 }
 
-XMLProperty*
+XMLProperty const *
+XMLNode::property(const char* n) const
+{
+       string ns(n);
+       map<string,XMLProperty*>::const_iterator iter;
+
+       if ((iter = _propmap.find(ns)) != _propmap.end()) {
+               return iter->second;
+       }
+
+       return 0;
+}
+
+XMLProperty const *
+XMLNode::property(const string& ns) const
+{
+       map<string,XMLProperty*>::const_iterator iter;
+
+       if ((iter = _propmap.find(ns)) != _propmap.end()) {
+               return iter->second;
+       }
+
+       return 0;
+}
+
+XMLProperty *
 XMLNode::property(const char* n)
 {
        string ns(n);
@@ -417,7 +445,7 @@ XMLNode::property(const char* n)
        return 0;
 }
 
-XMLProperty*
+XMLProperty *
 XMLNode::property(const string& ns)
 {
        map<string,XMLProperty*>::iterator iter;
@@ -429,6 +457,17 @@ XMLNode::property(const string& ns)
        return 0;
 }
 
+bool
+XMLNode::has_property_with_value (const string& key, const string& value) const
+{
+       map<string,XMLProperty*>::const_iterator iter = _propmap.find(key);
+       if (iter != _propmap.end()) {
+               const XMLProperty* p = (iter->second);
+               return (p && p->value() == value);
+       }
+       return false;
+}
+
 XMLProperty*
 XMLNode::add_property(const char* n, const string& v)
 {
@@ -523,7 +562,7 @@ void
 XMLNode::remove_nodes_and_delete(const string& propname, const string& val)
 {
        XMLNodeIterator i = _children.begin();
-       XMLProperty* prop;
+       XMLProperty const * prop;
 
        while (i != _children.end()) {
                prop = (*i)->property(propname);