X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fpbd%2Fxml%2B%2B.cc;h=03fa11627976ca6bff3fa26ad1fcec849acaf8b6;hb=8277d134b9733aee344782891c99f07114384d9e;hp=e496d8b2fd4884549a189acd89638f5695ff7fac;hpb=60454cc8dc1ca5e1819b853b55916d52497d495c;p=ardour.git

diff --git a/libs/pbd/xml++.cc b/libs/pbd/xml++.cc
index e496d8b2fd..03fa116279 100644
--- a/libs/pbd/xml++.cc
+++ b/libs/pbd/xml++.cc
@@ -12,117 +12,112 @@ static void writenode(xmlDocPtr, XMLNode *, xmlNodePtr, int);
 
 XMLTree::XMLTree() 
 	: _filename(), 
-	_root(), 
-	_compression(0), 
-	_initialized(false) 
+	_root(0), 
+	_compression(0)
 { 
 }
 
 XMLTree::XMLTree(const string &fn)
 	: _filename(fn), 
 	_root(0), 
-	_compression(0), 
-	_initialized(false) 
+	_compression(0)
 { 
 	read(); 
 }
 
 XMLTree::XMLTree(const XMLTree * from)
 {
-    _filename = from->filename();
-    _root = new XMLNode(*from->root());
-    _compression = from->compression();
-    _initialized = true;
+	_filename = from->filename();
+	_root = new XMLNode(*from->root());
+	_compression = from->compression();
 }
 
 XMLTree::~XMLTree()
 {
-    if (_initialized && _root)
+	if (_root) {
 		delete _root;
+	}
 }
 
 int 
 XMLTree::set_compression(int c)
 {
-    if (c > 9)
-		c = 9;
-
-    if (c < 0)
-		c = 0;
-
-    _compression = c;
-
-    return _compression;
+	if (c > 9) {
+	    	c = 9;
+	} else if (c < 0) {
+	    	c = 0;
+	}
+	
+	_compression = c;
+	
+	return _compression;
 }
 
 bool 
 XMLTree::read(void)
 {
-    xmlDocPtr doc;
-
-    if (_root) {
+	xmlDocPtr doc;
+	
+	if (_root) {
 		delete _root;
 		_root = 0;
-    }
-
-    xmlKeepBlanksDefault(0);
-
-    doc = xmlParseFile(_filename.c_str());
-    if (!doc) {
-		_initialized = false;
-		return false;
-    }
-
-    _root = readnode(xmlDocGetRootElement(doc));
-    xmlFreeDoc(doc);
-    _initialized = true;
-
-    return true;
+	}
+	
+	xmlKeepBlanksDefault(0);
+	
+	doc = xmlParseFile(_filename.c_str());
+	if (!doc) {
+	 	return false;
+	}
+	
+	_root = readnode(xmlDocGetRootElement(doc));
+	xmlFreeDoc(doc);
+	
+	return true;
 }
 
 bool 
 XMLTree::read_buffer(const string & buffer)
 {
-    xmlDocPtr doc;
-
-    _filename = "";
-
-    if (_root) {
+	xmlDocPtr doc;
+	
+	_filename = "";
+	
+	if (_root) {
 		delete _root;
 		_root = 0;
-    }
-
-    doc = xmlParseMemory((char *) buffer.c_str(), buffer.length());
-    if (!doc) {
-		_initialized = false;
+	}
+	
+	doc = xmlParseMemory((char *) buffer.c_str(), buffer.length());
+	if (!doc) {
 		return false;
-    }
-
-    _root = readnode(xmlDocGetRootElement(doc));
-    xmlFreeDoc(doc);
-    _initialized = true;
-
-    return true;
+	}
+	
+	_root = readnode(xmlDocGetRootElement(doc));
+	xmlFreeDoc(doc);
+	
+	return true;
 }
 
 bool 
 XMLTree::write(void) const
 {
-    xmlDocPtr doc;
-    XMLNodeList children;
-    int result;
-
-    xmlKeepBlanksDefault(0);
-    doc = xmlNewDoc((xmlChar *) "1.0");
-    xmlSetDocCompressMode(doc, _compression);
-    writenode(doc, _root, doc->children, 1);
-    result = xmlSaveFormatFile(_filename.c_str(), doc, 1);
-    xmlFreeDoc(doc);
-
-    if (result == -1)
+	xmlDocPtr doc;
+	XMLNodeList children;
+	int result;
+	
+	xmlKeepBlanksDefault(0);
+	doc = xmlNewDoc((xmlChar *) "1.0");
+	xmlSetDocCompressMode(doc, _compression);
+	writenode(doc, _root, doc->children, 1);
+	result = xmlSaveFormatFile(_filename.c_str(), doc, 1);
+	xmlFreeDoc(doc);
+	
+	if (result == -1) {
 		return false;
-
-    return true;
+	}
+	
+	return true;
 }
 
 void
@@ -142,105 +137,104 @@ XMLTree::debug(FILE* out) const
 const string & 
 XMLTree::write_buffer(void) const
 {
-    static string retval;
-    char *ptr;
-    int len;
-    xmlDocPtr doc;
-    XMLNodeList children;
-
-    xmlKeepBlanksDefault(0);
-    doc = xmlNewDoc((xmlChar *) "1.0");
-    xmlSetDocCompressMode(doc, _compression);
-    writenode(doc, _root, doc->children, 1);
-    xmlDocDumpMemory(doc, (xmlChar **) & ptr, &len);
-    xmlFreeDoc(doc);
-
-    retval = ptr;
-
-    free(ptr);
-
-    return retval;
+	static string retval;
+	char *ptr;
+	int len;
+	xmlDocPtr doc;
+	XMLNodeList children;
+	
+	xmlKeepBlanksDefault(0);
+	doc = xmlNewDoc((xmlChar *) "1.0");
+	xmlSetDocCompressMode(doc, _compression);
+	writenode(doc, _root, doc->children, 1);
+	xmlDocDumpMemory(doc, (xmlChar **) & ptr, &len);
+	xmlFreeDoc(doc);
+	
+	retval = ptr;
+	
+	free(ptr);
+	
+	return retval;
 }
 
 XMLNode::XMLNode(const string & n)
 	:  _name(n), _is_content(false), _content(string())
 {
-
-    if (_name.empty())
-		_initialized = false;
-    else
-		_initialized = true;
 }
 
 XMLNode::XMLNode(const string & n, const string & c)
-	:_name(string()), _is_content(true), _content(c)
+	:_name(n), _is_content(true), _content(c)
 {
-    _initialized = true;
 }
 
 XMLNode::XMLNode(const XMLNode& from)
-	: _initialized(false)
 {
-    XMLPropertyList props;
-    XMLPropertyIterator curprop;
-    XMLNodeList nodes;
-    XMLNodeIterator curnode;
-
-    _name = from.name();
-    set_content(from.content());
-
-    props = from.properties();
-    for (curprop = props.begin(); curprop != props.end(); curprop++)
-	add_property((*curprop)->name().c_str(), (*curprop)->value());
-
-    nodes = from.children();
-    for (curnode = nodes.begin(); curnode != nodes.end(); curnode++)
+	XMLPropertyList props;
+	XMLPropertyIterator curprop;
+	XMLNodeList nodes;
+	XMLNodeIterator curnode;
+	
+	_name = from.name();
+	set_content(from.content());
+	
+	props = from.properties();
+	for (curprop = props.begin(); curprop != props.end(); ++curprop) {
+		add_property((*curprop)->name().c_str(), (*curprop)->value());
+	}
+	
+	nodes = from.children();
+	for (curnode = nodes.begin(); curnode != nodes.end(); ++curnode) {
 		add_child_copy(**curnode);
+	}
 }
 
 XMLNode::~XMLNode()
 {
-    XMLNodeIterator curchild;
-    XMLPropertyIterator curprop;
-
-    for (curchild = _children.begin(); curchild != _children.end();
-			curchild++)
+	XMLNodeIterator curchild;
+	XMLPropertyIterator curprop;
+	
+	for (curchild = _children.begin(); curchild != _children.end();	++curchild) {
 		delete *curchild;
-
-    for (curprop = _proplist.begin(); curprop != _proplist.end();
-			curprop++)
+	}
+	    
+	for (curprop = _proplist.begin(); curprop != _proplist.end(); ++curprop) {
 		delete *curprop;
+	}
 }
 
 const string & 
 XMLNode::set_content(const string & c)
 {
-    if (c.empty())
+	if (c.empty()) {
 		_is_content = false;
-    else
+	} else {
 		_is_content = true;
-
-    _content = c;
-
-    return _content;
+	}
+	    
+	_content = c;
+	
+	return _content;
 }
 
 const XMLNodeList & 
 XMLNode::children(const string & n) const
 {
-    static XMLNodeList retval;
-    XMLNodeConstIterator cur;
-
-    if (n.length() == 0)
+	static XMLNodeList retval;
+	XMLNodeConstIterator cur;
+	
+	if (n.length() == 0) {
 		return _children;
-
-    retval.erase(retval.begin(), retval.end());
-
-    for (cur = _children.begin(); cur != _children.end(); cur++)
-		if ((*cur)->name() == n)
-		    retval.insert(retval.end(), *cur);
-
-    return retval;
+	}
+	    
+	retval.erase(retval.begin(), retval.end());
+	
+	for (cur = _children.begin(); cur != _children.end(); ++cur) {
+		if ((*cur)->name() == n) {
+			retval.insert(retval.end(), *cur);
+		}
+	}
+	    
+	return retval;
 }
 
 XMLNode *
@@ -273,8 +267,10 @@ XMLProperty *
 XMLNode::property(const char * n)
 {
 	string ns(n);
-	if (_propmap.find(ns) == _propmap.end())
+	if (_propmap.find(ns) == _propmap.end()) {
 		return 0;
+	}
+	
 	return _propmap[ns];
 }
 
@@ -288,8 +284,9 @@ XMLNode::add_property(const char * n, const string & v)
 
 	XMLProperty *tmp = new XMLProperty(ns, v);
 
-	if (!tmp)
+	if (!tmp) {
 		return 0;
+	}
 
 	_propmap[tmp->name()] = tmp;
 	_proplist.insert(_proplist.end(), tmp);
@@ -307,43 +304,43 @@ XMLNode::add_property(const char * n, const char * v)
 void 
 XMLNode::remove_property(const string & n)
 {
-    if (_propmap.find(n) != _propmap.end()) {
+	if (_propmap.find(n) != _propmap.end()) {
 		_proplist.remove(_propmap[n]);
 		_propmap.erase(n);
-    }
+	}
 }
 
 void 
 XMLNode::remove_nodes(const string & n)
 {
-    XMLNodeIterator i = _children.begin();
-    XMLNodeIterator tmp;
-
-    while (i != _children.end()) {
-	    tmp = i;
-	    ++tmp;
-	    if ((*i)->name() == n) {
-		    _children.erase (i);
-	    }
-	    i = tmp;
-    }
+	XMLNodeIterator i = _children.begin();
+	XMLNodeIterator tmp;
+	
+	while (i != _children.end()) {
+		tmp = i;
+		++tmp;
+		if ((*i)->name() == n) {
+			_children.erase (i);
+		}
+		i = tmp;
+	}
 }
 
 void 
 XMLNode::remove_nodes_and_delete(const string & n)
 {
-    XMLNodeIterator i = _children.begin();
-    XMLNodeIterator tmp;
-
-    while (i != _children.end()) {
-	    tmp = i;
-	    ++tmp;
-	    if ((*i)->name() == n) {
-		    delete *i;
-		    _children.erase (i);
-	    }
-	    i = tmp;
-    }
+	XMLNodeIterator i = _children.begin();
+	XMLNodeIterator tmp;
+	
+	while (i != _children.end()) {
+		tmp = i;
+		++tmp;
+		if ((*i)->name() == n) {
+			delete *i;
+			_children.erase (i);
+		}
+		i = tmp;
+	}
 }
 
 XMLProperty::XMLProperty(const string &n, const string &v)
@@ -359,64 +356,65 @@ XMLProperty::~XMLProperty()
 static XMLNode *
 readnode(xmlNodePtr node)
 {
-    string name, content;
-    xmlNodePtr child;
-    XMLNode *tmp;
-    xmlAttrPtr attr;
-
-    if (node->name)
+	string name, content;
+	xmlNodePtr child;
+	XMLNode *tmp;
+	xmlAttrPtr attr;
+	
+	if (node->name) {
 		name = (char *) node->name;
-
-    tmp = new XMLNode(name);
-
-    for (attr = node->properties; attr; attr = attr->next) {
+	}
+	
+	tmp = new XMLNode(name);
+	
+	for (attr = node->properties; attr; attr = attr->next) {
 		content = "";
-		if (attr->children)
-		    content = (char *) attr->children->content;
+		if (attr->children) {
+			content = (char *) attr->children->content;
+		}
 		tmp->add_property((char *) attr->name, content);
-    }
-
-    if (node->content)
+	}
+	
+	if (node->content) {
 		tmp->set_content((char *) node->content);
-    else
+	} else {
 		tmp->set_content(string());
-
-    for (child = node->children; child; child = child->next)
-	    tmp->add_child_nocopy (*readnode(child));
-
-    return tmp;
+	}
+	
+	for (child = node->children; child; child = child->next) {
+		tmp->add_child_nocopy (*readnode(child));
+	}
+	
+	return tmp;
 }
 
 static void 
-writenode(xmlDocPtr doc, XMLNode * n, xmlNodePtr p, int root =
-		      0)
+writenode(xmlDocPtr doc, XMLNode * n, xmlNodePtr p, int root = 0)
 {
-    XMLPropertyList props;
-    XMLPropertyIterator curprop;
-    XMLNodeList children;
-    XMLNodeIterator curchild;
-    xmlNodePtr node;
-
-    if (root)
-		node = doc->children =
-			    xmlNewDocNode(doc, 0, (xmlChar *) n->name().c_str(), 0);
-
-    else
+	XMLPropertyList props;
+	XMLPropertyIterator curprop;
+	XMLNodeList children;
+	XMLNodeIterator curchild;
+	xmlNodePtr node;
+	
+	if (root) {
+		node = doc->children = xmlNewDocNode(doc, 0, (xmlChar *) n->name().c_str(), 0);
+	} else {
 		node = xmlNewChild(p, 0, (xmlChar *) n->name().c_str(), 0);
-
-    if (n->is_content()) {
+	}
+	    
+	if (n->is_content()) {
 		node->type = XML_TEXT_NODE;
-		xmlNodeSetContentLen(node, (const xmlChar *) n->content().c_str(),
-			     n->content().length());
-    }
-
-    props = n->properties();
-    for (curprop = props.begin(); curprop != props.end(); curprop++)
-		xmlSetProp(node, (xmlChar *) (*curprop)->name().c_str(),
-			   (xmlChar *) (*curprop)->value().c_str());
-
-    children = n->children();
-    for (curchild = children.begin(); curchild != children.end();
-			 curchild++)
+		xmlNodeSetContentLen(node, (const xmlChar *) n->content().c_str(), n->content().length());
+	}
+	
+	props = n->properties();
+	for (curprop = props.begin(); curprop != props.end(); ++curprop) {
+		xmlSetProp(node, (xmlChar *) (*curprop)->name().c_str(), (xmlChar *) (*curprop)->value().c_str());
+	}
+	    
+	children = n->children();
+	for (curchild = children.begin(); curchild != children.end(); ++curchild) {
 		writenode(doc, *curchild, node);
+	}
 }