diff options
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.h')
-rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.h b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.h new file mode 100644 index 00000000..06545d89 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.h @@ -0,0 +1,231 @@ +/* + * libjingle + * Copyright 2004--2005, Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _xmlelement_h_ +#define _xmlelement_h_ + +#include <iosfwd> +#include <string> +#include "talk/base/scoped_ptr.h" +#include "talk/xmllite/qname.h" + +namespace buzz { + +extern const QName QN_EMPTY; +extern const QName QN_XMLNS; + + +class XmlChild; +class XmlText; +class XmlElement; +class XmlAttr; + +class XmlChild { +friend class XmlElement; + +public: + + XmlChild * NextChild() { return pNextChild_; } + const XmlChild * NextChild() const { return pNextChild_; } + + bool IsText() const { return IsTextImpl(); } + + XmlElement * AsElement() { return AsElementImpl(); } + const XmlElement * AsElement() const { return AsElementImpl(); } + + XmlText * AsText() { return AsTextImpl(); } + const XmlText * AsText() const { return AsTextImpl(); } + + +protected: + + XmlChild() : + pNextChild_(NULL) { + } + + virtual bool IsTextImpl() const = 0; + virtual XmlElement * AsElementImpl() const = 0; + virtual XmlText * AsTextImpl() const = 0; + + + virtual ~XmlChild(); + +private: + XmlChild(const XmlChild & noimpl); + + XmlChild * pNextChild_; + +}; + +class XmlText : public XmlChild { +public: + explicit XmlText(const std::string & text) : + XmlChild(), + text_(text) { + } + explicit XmlText(const XmlText & t) : + XmlChild(), + text_(t.text_) { + } + explicit XmlText(const char * cstr, size_t len) : + XmlChild(), + text_(cstr, len) { + } + virtual ~XmlText(); + + const std::string & Text() const { return text_; } + void SetText(const std::string & text); + void AddParsedText(const char * buf, int len); + void AddText(const std::string & text); + +protected: + virtual bool IsTextImpl() const; + virtual XmlElement * AsElementImpl() const; + virtual XmlText * AsTextImpl() const; + +private: + std::string text_; +}; + +class XmlAttr { +friend class XmlElement; + +public: + XmlAttr * NextAttr() const { return pNextAttr_; } + const QName & Name() const { return name_; } + const std::string & Value() const { return value_; } + +private: + explicit XmlAttr(const QName & name, const std::string & value) : + pNextAttr_(NULL), + name_(name), + value_(value) { + } + explicit XmlAttr(const XmlAttr & att) : + pNextAttr_(NULL), + name_(att.name_), + value_(att.value_) { + } + + XmlAttr * pNextAttr_; + QName name_; + std::string value_; +}; + +class XmlElement : public XmlChild { +public: + explicit XmlElement(const QName & name); + explicit XmlElement(const QName & name, bool useDefaultNs); + explicit XmlElement(const XmlElement & elt); + + virtual ~XmlElement(); + + const QName & Name() const { return name_; } + + const std::string & BodyText() const; + void SetBodyText(const std::string & text); + + const QName & FirstElementName() const; + + XmlAttr * FirstAttr(); + const XmlAttr * FirstAttr() const + { return const_cast<XmlElement *>(this)->FirstAttr(); } + + //! Attr will return STR_EMPTY if the attribute isn't there: + //! use HasAttr to test presence of an attribute. + const std::string & Attr(const QName & name) const; + bool HasAttr(const QName & name) const; + void SetAttr(const QName & name, const std::string & value); + void ClearAttr(const QName & name); + + XmlChild * FirstChild(); + const XmlChild * FirstChild() const + { return const_cast<XmlElement *>(this)->FirstChild(); } + + XmlElement * FirstElement(); + const XmlElement * FirstElement() const + { return const_cast<XmlElement *>(this)->FirstElement(); } + + XmlElement * NextElement(); + const XmlElement * NextElement() const + { return const_cast<XmlElement *>(this)->NextElement(); } + + XmlElement * FirstWithNamespace(const std::string & ns); + const XmlElement * FirstWithNamespace(const std::string & ns) const + { return const_cast<XmlElement *>(this)->FirstWithNamespace(ns); } + + XmlElement * NextWithNamespace(const std::string & ns); + const XmlElement * NextWithNamespace(const std::string & ns) const + { return const_cast<XmlElement *>(this)->NextWithNamespace(ns); } + + XmlElement * FirstNamed(const QName & name); + const XmlElement * FirstNamed(const QName & name) const + { return const_cast<XmlElement *>(this)->FirstNamed(name); } + + XmlElement * NextNamed(const QName & name); + const XmlElement * NextNamed(const QName & name) const + { return const_cast<XmlElement *>(this)->NextNamed(name); } + + const std::string & TextNamed(const QName & name) const; + + void InsertChildAfter(XmlChild * pPredecessor, XmlChild * pNewChild); + void RemoveChildAfter(XmlChild * pPredecessor); + + void AddParsedText(const char * buf, int len); + void AddText(const std::string & text); + void AddText(const std::string & text, int depth); + void AddElement(XmlElement * pelChild); + void AddElement(XmlElement * pelChild, int depth); + void AddAttr(const QName & name, const std::string & value); + void AddAttr(const QName & name, const std::string & value, int depth); + void ClearNamedChildren(const QName & name); + void ClearChildren(); + + static XmlElement * ForStr(const std::string & str); + std::string Str() const; + + void Print(std::ostream * pout, std::string xmlns[], int xmlnsCount) const; + +protected: + virtual bool IsTextImpl() const; + virtual XmlElement * AsElementImpl() const; + virtual XmlText * AsTextImpl() const; + +private: + QName name_; + XmlAttr * pFirstAttr_; + XmlAttr * pLastAttr_; + XmlChild * pFirstChild_; + XmlChild * pLastChild_; + +}; + + + +} + +#endif |