/*
-Copyright (c) 2005-2006, John Hurst
+Copyright (c) 2005-2015, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
#include <KM_util.h>
#include <list>
+#include <set>
#include <string>
namespace Kumu
{
class XMLElement;
+ //
struct NVPair
{
std::string name;
std::string value;
};
+ //
typedef std::list<NVPair> AttributeList;
- typedef AttributeList::iterator Attr_i;
+ typedef AttributeList::const_iterator Attr_i;
typedef std::list<XMLElement*> ElementList;
- typedef ElementList::iterator Elem_i;
+ typedef ElementList::const_iterator Elem_i;
+
+ bool GetXMLDocType(const ByteString& buf, std::string& ns_prefix, std::string& type_name,
+ std::string& namespace_name, AttributeList& doc_attr_list);
+
+ bool GetXMLDocType(const std::string& buf, std::string& ns_prefix, std::string& type_name,
+ std::string& namespace_name, AttributeList& doc_attr_list);
+
+ bool GetXMLDocType(const byte_t* buf, ui32_t buf_len, std::string& ns_prefix, std::string& type_name,
+ std::string& namespace_name, AttributeList& doc_attr_list);
+
+ //
+ class XMLNamespace
+ {
+ std::string m_Prefix;
+ std::string m_Name;
+
+ KM_NO_COPY_CONSTRUCT(XMLNamespace);
+ XMLNamespace();
+
+ public:
+ XMLNamespace(const char* prefix, const char* name) : m_Prefix(prefix), m_Name(name) {}
+ ~XMLNamespace() {}
+
+ inline const std::string& Prefix() const { return m_Prefix; }
+ inline const std::string& Name() const { return m_Name; }
+ };
//
class XMLElement
{
- AttributeList m_AttrList;
- ElementList m_ChildList;
-
KM_NO_COPY_CONSTRUCT(XMLElement);
XMLElement();
- public:
+ protected:
+ AttributeList m_AttrList;
+ ElementList m_ChildList;
+ const XMLNamespace* m_Namespace;
+ void* m_NamespaceOwner;
+
std::string m_Name;
std::string m_Body;
+ public:
XMLElement(const char* name);
~XMLElement();
+ inline const XMLNamespace* Namespace() const { return m_Namespace; }
+ inline void SetNamespace(const XMLNamespace* ns) { assert(ns); m_Namespace = ns; }
+
+ bool ParseString(const char* document, ui32_t doc_len);
+ bool ParseString(const ByteString& document);
+ bool ParseString(const std::string& document);
+
+ bool ParseFirstFromString(const char* document, ui32_t doc_len);
+ bool ParseFirstFromString(const ByteString& document);
+ bool ParseFirstFromString(const std::string& document);
+
+ // building
+ void SetName(const char* name);
+ void SetBody(const std::string& value);
+ void AppendBody(const std::string& value);
void SetAttr(const char* name, const char* value);
+ void SetAttr(const char* name, const std::string& value) { SetAttr(name, value.c_str()); }
+ XMLElement* AddChild(XMLElement* element);
XMLElement* AddChild(const char* name);
XMLElement* AddChildWithContent(const char* name, const char* value);
XMLElement* AddChildWithContent(const char* name, const std::string& value);
XMLElement* AddChildWithPrefixedContent(const char* name, const char* prefix, const char* value);
void AddComment(const char* value);
- void Render(std::string&);
- void RenderElement(std::string& outbuf, ui32_t depth);
+ void Render(std::string& str) const { Render(str, true); }
+ void Render(std::string&, const bool& pretty) const;
+ void RenderElement(std::string& outbuf, const ui32_t& depth, const bool& pretty) const;
+
+ // querying
+ inline const std::string& GetBody() const { return m_Body; }
+ inline const ElementList& GetChildren() const { return m_ChildList; }
+ inline const std::string& GetName() const { return m_Name; }
+ inline const AttributeList& GetAttributes() const { return m_AttrList; }
+ const char* GetAttrWithName(const char* name) const;
+ XMLElement* GetChildWithName(const char* name) const;
+ const ElementList& GetChildrenWithName(const char* name, ElementList& outList) const;
+ bool HasName(const char* name) const;
+
+ // altering
+ void DeleteAttributes();
+ void DeleteAttrWithName(const char* name);
+ void DeleteChildren();
+ void DeleteChild(const XMLElement* element);
+ void ForgetChild(const XMLElement* element);
};
+
+ //
+ template <class VisitorType>
+ bool
+ apply_visitor(const XMLElement& element, VisitorType& visitor)
+ {
+ const ElementList& l = element.GetChildren();
+ ElementList::const_iterator i;
+
+ for ( i = l.begin(); i != l.end(); ++i )
+ {
+ if ( ! visitor.Element(**i) )
+ {
+ return false;
+ }
+
+ if ( ! apply_visitor(**i, visitor) )
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ //
+ class AttributeVisitor
+ {
+ std::string attr_name;
+
+ public:
+ AttributeVisitor(const std::string& n) : attr_name(n) {}
+ std::set<std::string> value_list;
+
+ bool Element(const XMLElement& e)
+ {
+ const AttributeList& l = e.GetAttributes();
+ AttributeList::const_iterator i;
+
+ for ( i = l.begin(); i != l.end(); ++i )
+ {
+ if ( i->name == attr_name )
+ {
+ value_list.insert(i->value);
+ }
+ }
+
+ return true;
+ }
+ };
+
+ //
+ class ElementVisitor
+ {
+ std::string element_name;
+
+ public:
+ ElementVisitor(const std::string& n) : element_name(n) {}
+ std::set<std::string> value_list;
+
+ bool Element(const XMLElement& e)
+ {
+ if ( e.GetBody() == element_name )
+ {
+ value_list.insert(e.GetBody());
+ }
+
+ return true;
+ }
+ };
+
} // namespace Kumu
#endif // _KM_XML_H_
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