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Implemented attribute and node copying

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git-svn-id: http://pugixml.googlecode.com/svn/trunk@106 99668b35-9821-0410-8761-19e4c4f06640
This commit is contained in:
arseny.kapoulkine 2009-01-08 19:30:42 +00:00
parent e305a07249
commit 355d0f0697
2 changed files with 154 additions and 1 deletions
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103
src/pugixml.cpp
View File

@ -16,6 +16,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
// For placement new
#include <new>
@ -1597,7 +1598,50 @@ namespace
}
default:
;
assert(false);
}
}
void recursive_copy_skip(xml_node& dest, const xml_node& source, const xml_node& skip)
{
assert(dest.type() == source.type());
switch (source.type())
{
case node_element:
{
dest.set_name(source.name());
for (xml_attribute a = source.first_attribute(); a; a = a.next_attribute())
dest.append_attribute(a.name()).set_value(a.value());
for (xml_node c = source.first_child(); c; c = c.next_sibling())
{
if (c == skip) continue;
xml_node cc = dest.append_child(c.type());
assert(cc);
recursive_copy_skip(cc, c, skip);
}
break;
}
case node_pcdata:
case node_cdata:
case node_comment:
case node_pi:
dest.set_value(source.value());
break;
case node_declaration:
dest.set_name(source.name());
dest.set_value(source.value());
break;
default:
assert(false);
}
}
}
@ -2220,6 +2264,36 @@ namespace pugi
return a;
}
xml_attribute xml_node::append_copy(const xml_attribute& proto)
{
if (!proto) return xml_attribute();
xml_attribute result = append_attribute(proto.name());
result.set_value(proto.value());
return result;
}
xml_attribute xml_node::insert_copy_after(const xml_attribute& proto, const xml_attribute& attr)
{
if (!proto) return xml_attribute();
xml_attribute result = insert_attribute_after(proto.name(), attr);
result.set_value(proto.value());
return result;
}
xml_attribute xml_node::insert_copy_before(const xml_attribute& proto, const xml_attribute& attr)
{
if (!proto) return xml_attribute();
xml_attribute result = insert_attribute_before(proto.name(), attr);
result.set_value(proto.value());
return result;
}
xml_node xml_node::append_child(xml_node_type type)
{
if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
@ -2267,6 +2341,33 @@ namespace pugi
return n;
}
xml_node xml_node::append_copy(const xml_node& proto)
{
xml_node result = append_child(proto.type());
if (result) recursive_copy_skip(result, proto, result);
return result;
}
xml_node xml_node::insert_copy_after(const xml_node& proto, const xml_node& node)
{
xml_node result = insert_child_after(proto.type(), node);
if (result) recursive_copy_skip(result, proto, result);
return result;
}
xml_node xml_node::insert_copy_before(const xml_node& proto, const xml_node& node)
{
xml_node result = insert_child_before(proto.type(), node);
if (result) recursive_copy_skip(result, proto, result);
return result;
}
void xml_node::remove_attribute(const char* name)
{
remove_attribute(attribute(name));

52
src/pugixml.hpp
View File

@ -921,6 +921,32 @@ namespace pugi
*/
xml_attribute insert_attribute_before(const char* name, const xml_attribute& attr);
/**
* Add a copy of the specified attribute (for element nodes)
*
* \param proto - attribute prototype which is to be copied
* \return inserted attribute, or empty attribute if there was an error (wrong node type)
*/
xml_attribute append_copy(const xml_attribute& proto);
/**
* Insert a copy of the specified attribute after \a attr (for element nodes)
*
* \param proto - attribute prototype which is to be copied
* \param attr - attribute to insert a new one after
* \return inserted attribute, or empty attribute if there was an error (wrong node type, or attr does not belong to node)
*/
xml_attribute insert_copy_after(const xml_attribute& proto, const xml_attribute& attr);
/**
* Insert a copy of the specified attribute before \a attr (for element nodes)
*
* \param proto - attribute prototype which is to be copied
* \param attr - attribute to insert a new one before
* \return inserted attribute, or empty attribute if there was an error (wrong node type, or attr does not belong to node)
*/
xml_attribute insert_copy_before(const xml_attribute& proto, const xml_attribute& attr);
/**
* Add child node with specified type (for element nodes)
*
@ -947,6 +973,32 @@ namespace pugi
*/
xml_node insert_child_before(xml_node_type type, const xml_node& node);
/**
* Add a copy of the specified node as a child (for element nodes)
*
* \param proto - node prototype which is to be copied
* \return inserted node, or empty node if there was an error (wrong node type)
*/
xml_node append_copy(const xml_node& proto);
/**
* Insert a copy of the specified node after \a node (for element nodes)
*
* \param proto - node prototype which is to be copied
* \param node - node to insert a new one after
* \return inserted node, or empty node if there was an error (wrong node type, or \a node is not a child of this node)
*/
xml_node insert_copy_after(const xml_node& proto, const xml_node& node);
/**
* Insert a copy of the specified node before \a node (for element nodes)
*
* \param proto - node prototype which is to be copied
* \param node - node to insert a new one before
* \return inserted node, or empty node if there was an error (wrong node type, or \a node is not a child of this node)
*/
xml_node insert_copy_before(const xml_node& proto, const xml_node& node);
/**
* Remove specified attribute
*