diff options
Diffstat (limited to 'src/pugixml.cpp')
| -rw-r--r-- | src/pugixml.cpp | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index 64b1e34..6184f92 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -2902,6 +2902,28 @@ namespace }
}
+ inline bool has_declaration(const xml_node& node)
+ {
+ for (xml_node child = node.first_child(); child; child = child.next_sibling())
+ {
+ xml_node_type type = child.type();
+
+ if (type == node_declaration) return true;
+ if (type == node_element) return false;
+ }
+
+ return false;
+ }
+
+ inline bool allow_insert_child(xml_node_type parent, xml_node_type child)
+ {
+ if (parent != node_document && parent != node_element) return false;
+ if (child == node_document || child == node_null) return false;
+ if (parent != node_document && child == node_declaration) return false;
+
+ return true;
+ }
+
void recursive_copy_skip(xml_node& dest, const xml_node& source, const xml_node& skip)
{
assert(dest.type() == source.type());
@@ -3491,9 +3513,11 @@ namespace pugi xml_node xml_node::root() const
{
- xml_node r = *this;
- while (r && r.parent()) r = r.parent();
- return r;
+ xml_node_struct* r = _root;
+
+ while (r && r->parent) r = r->parent;
+
+ return xml_node(r);
}
const char_t* xml_node::child_value() const
@@ -3673,15 +3697,19 @@ namespace pugi 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();
+ if (!allow_insert_child(this->type(), type)) return xml_node();
- return xml_node(append_node(_root, get_allocator(_root), type));
+ xml_node n(append_node(_root, get_allocator(_root), type));
+
+ if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
+
+ return n;
}
xml_node xml_node::insert_child_before(xml_node_type type, const xml_node& node)
{
- if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
- if (node.parent() != *this) return xml_node();
+ if (!allow_insert_child(this->type(), type)) return xml_node();
+ if (!node._root || node._root->parent != _root) return xml_node();
xml_node n(allocate_node(get_allocator(_root), type));
n._root->parent = _root;
@@ -3695,13 +3723,15 @@ namespace pugi n._root->next_sibling = node._root;
node._root->prev_sibling_c = n._root;
+ if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
+
return n;
}
xml_node xml_node::insert_child_after(xml_node_type type, const xml_node& node)
{
- if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
- if (node.parent() != *this) return xml_node();
+ if (!allow_insert_child(this->type(), type)) return xml_node();
+ if (!node._root || node._root->parent != _root) return xml_node();
xml_node n(allocate_node(get_allocator(_root), type));
n._root->parent = _root;
@@ -3715,6 +3745,8 @@ namespace pugi n._root->prev_sibling_c = node._root;
node._root->next_sibling = n._root;
+ if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
+
return n;
}
@@ -3777,7 +3809,7 @@ namespace pugi void xml_node::remove_child(const xml_node& n)
{
- if (!_root || n.parent() != *this) return;
+ if (!_root || !n._root || n._root->parent != _root) return;
if (n._root->next_sibling) n._root->next_sibling->prev_sibling_c = n._root->prev_sibling_c;
else if (_root->first_child) _root->first_child->prev_sibling_c = n._root->prev_sibling_c;
@@ -4385,7 +4417,7 @@ namespace pugi xml_buffered_writer buffered_writer(writer, encoding);
- if (!(flags & format_no_declaration))
+ if (!(flags & format_no_declaration) && !has_declaration(*this))
{
buffered_writer.write(PUGIXML_TEXT("<?xml version=\"1.0\"?>"));
if (!(flags & format_raw)) buffered_writer.write('\n');
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