/////////////////////////////////////////////////////////////////////////////
-// Name: xml.h
+// Name: wx/xml/xml.h
// Purpose: wxXmlDocument - XML parser & data holder class
// Author: Vaclav Slavik
// Created: 2000/03/05
/////////////////////////////////////////////////////////////////////////////
-/* ************************************************************************* *
- * CAUTION! *
- * *
- * The API defined in this header *WILL* change in the future and backward *
- * compatibility will *not* be preserved. If you use these classes in your *
- * application, it probably won't compile with future wxWidgets releases. *
- * Use on your own risk. *
- * *
- * ************************************************************************* */
-
#ifndef _WX_XML_H_
#define _WX_XML_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "xml.h"
-#endif
-
#include "wx/defs.h"
#if wxUSE_XML
#include "wx/string.h"
#include "wx/object.h"
#include "wx/list.h"
+#include "wx/versioninfo.h"
#ifdef WXMAKINGDLL_XML
#define WXDLLIMPEXP_XML WXEXPORT
#define WXDLLIMPEXP_XML
#endif
-class WXDLLIMPEXP_XML wxXmlNode;
-class WXDLLIMPEXP_XML wxXmlProperty;
-class WXDLLIMPEXP_XML wxXmlDocument;
-class WXDLLIMPEXP_XML wxXmlIOHandler;
-class WXDLLIMPEXP_BASE wxInputStream;
-class WXDLLIMPEXP_BASE wxOutputStream;
-
+class WXDLLIMPEXP_FWD_XML wxXmlNode;
+class WXDLLIMPEXP_FWD_XML wxXmlAttribute;
+class WXDLLIMPEXP_FWD_XML wxXmlDocument;
+class WXDLLIMPEXP_FWD_XML wxXmlIOHandler;
+class WXDLLIMPEXP_FWD_BASE wxInputStream;
+class WXDLLIMPEXP_FWD_BASE wxOutputStream;
// Represents XML node type.
enum wxXmlNodeType
// Example: in <img src="hello.gif" id="3"/> "src" is property with value
// "hello.gif" and "id" is prop. with value "3".
-class WXDLLIMPEXP_XML wxXmlProperty
+class WXDLLIMPEXP_XML wxXmlAttribute
{
public:
- wxXmlProperty() : m_next(NULL) {}
- wxXmlProperty(const wxString& name, const wxString& value,
- wxXmlProperty *next)
+ wxXmlAttribute() : m_next(NULL) {}
+ wxXmlAttribute(const wxString& name, const wxString& value,
+ wxXmlAttribute *next = NULL)
: m_name(name), m_value(value), m_next(next) {}
+ virtual ~wxXmlAttribute() {}
- wxString GetName() const { return m_name; }
- wxString GetValue() const { return m_value; }
- wxXmlProperty *GetNext() const { return m_next; }
+ const wxString& GetName() const { return m_name; }
+ const wxString& GetValue() const { return m_value; }
+ wxXmlAttribute *GetNext() const { return m_next; }
void SetName(const wxString& name) { m_name = name; }
void SetValue(const wxString& value) { m_value = value; }
- void SetNext(wxXmlProperty *next) { m_next = next; }
+ void SetNext(wxXmlAttribute *next) { m_next = next; }
private:
wxString m_name;
wxString m_value;
- wxXmlProperty *m_next;
+ wxXmlAttribute *m_next;
};
+#if WXWIN_COMPATIBILITY_2_8
+ // NB: #define is used instead of typedef so that forward declarations
+ // continue to work
+ #define wxXmlProperty wxXmlAttribute
+#endif
-// Represents node in XML document. Node has name and may have content
-// and properties. Most common node types are wxXML_TEXT_NODE (name and props
+// Represents node in XML document. Node has name and may have content and
+// attributes. Most common node types are wxXML_TEXT_NODE (name and attributes
// are irrelevant) and wxXML_ELEMENT_NODE (e.g. in <title>hi</title> there is
// element with name="title", irrelevant content and one child (wxXML_TEXT_NODE
// with content="hi").
class WXDLLIMPEXP_XML wxXmlNode
{
public:
- wxXmlNode() : m_properties(NULL), m_parent(NULL),
- m_children(NULL), m_next(NULL) {}
- wxXmlNode(wxXmlNode *parent,wxXmlNodeType type,
- const wxString& name, const wxString& content,
- wxXmlProperty *props, wxXmlNode *next);
- ~wxXmlNode();
-
- // copy ctor & operator=. Note that this does NOT copy syblings
+ wxXmlNode()
+ : m_attrs(NULL), m_parent(NULL), m_children(NULL), m_next(NULL),
+ m_lineNo(-1), m_noConversion(false)
+ {
+ }
+
+ wxXmlNode(wxXmlNode *parent, wxXmlNodeType type,
+ const wxString& name, const wxString& content = wxEmptyString,
+ wxXmlAttribute *attrs = NULL, wxXmlNode *next = NULL,
+ int lineNo = -1);
+
+ virtual ~wxXmlNode();
+
+ // copy ctor & operator=. Note that this does NOT copy siblings
// and parent pointer, i.e. m_parent and m_next will be NULL
// after using copy ctor and are never unmodified by operator=.
- // On the other hand, it DOES copy children and properties.
+ // On the other hand, it DOES copy children and attributes.
wxXmlNode(const wxXmlNode& node);
wxXmlNode& operator=(const wxXmlNode& node);
// user-friendly creation:
wxXmlNode(wxXmlNodeType type, const wxString& name,
- const wxString& content = wxEmptyString);
- void AddChild(wxXmlNode *child);
- void InsertChild(wxXmlNode *child, wxXmlNode *before_node);
- bool RemoveChild(wxXmlNode *child);
- void AddProperty(const wxString& name, const wxString& value);
- bool DeleteProperty(const wxString& name);
+ const wxString& content = wxEmptyString,
+ int lineNo = -1);
+ virtual void AddChild(wxXmlNode *child);
+ virtual bool InsertChild(wxXmlNode *child, wxXmlNode *followingNode);
+ virtual bool InsertChildAfter(wxXmlNode *child, wxXmlNode *precedingNode);
+ virtual bool RemoveChild(wxXmlNode *child);
+ virtual void AddAttribute(const wxString& name, const wxString& value);
+ virtual bool DeleteAttribute(const wxString& name);
// access methods:
wxXmlNodeType GetType() const { return m_type; }
- wxString GetName() const { return m_name; }
- wxString GetContent() const { return m_content; }
+ const wxString& GetName() const { return m_name; }
+ const wxString& GetContent() const { return m_content; }
+
+ bool IsWhitespaceOnly() const;
+ int GetDepth(wxXmlNode *grandparent = NULL) const;
+
+ // Gets node content from wxXML_ENTITY_NODE
+ // The problem is, <tag>content<tag> is represented as
+ // wxXML_ENTITY_NODE name="tag", content=""
+ // |-- wxXML_TEXT_NODE or
+ // wxXML_CDATA_SECTION_NODE name="" content="content"
+ wxString GetNodeContent() const;
wxXmlNode *GetParent() const { return m_parent; }
wxXmlNode *GetNext() const { return m_next; }
wxXmlNode *GetChildren() const { return m_children; }
- wxXmlProperty *GetProperties() const { return m_properties; }
- bool GetPropVal(const wxString& propName, wxString *value) const;
- wxString GetPropVal(const wxString& propName,
- const wxString& defaultVal) const;
- bool HasProp(const wxString& propName) const;
+ wxXmlAttribute *GetAttributes() const { return m_attrs; }
+ bool GetAttribute(const wxString& attrName, wxString *value) const;
+ wxString GetAttribute(const wxString& attrName,
+ const wxString& defaultVal = wxEmptyString) const;
+ bool HasAttribute(const wxString& attrName) const;
+
+ int GetLineNumber() const { return m_lineNo; }
void SetType(wxXmlNodeType type) { m_type = type; }
void SetName(const wxString& name) { m_name = name; }
void SetNext(wxXmlNode *next) { m_next = next; }
void SetChildren(wxXmlNode *child) { m_children = child; }
- void SetProperties(wxXmlProperty *prop) { m_properties = prop; }
- void AddProperty(wxXmlProperty *prop);
+ void SetAttributes(wxXmlAttribute *attr) { m_attrs = attr; }
+ virtual void AddAttribute(wxXmlAttribute *attr);
+
+ // If true, don't do encoding conversion to improve efficiency - node content is ACII text
+ bool GetNoConversion() const { return m_noConversion; }
+ void SetNoConversion(bool noconversion) { m_noConversion = noconversion; }
+
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( inline wxXmlAttribute *GetProperties() const );
+ wxDEPRECATED( inline bool GetPropVal(const wxString& propName,
+ wxString *value) const );
+ wxDEPRECATED( inline wxString GetPropVal(const wxString& propName,
+ const wxString& defaultVal) const );
+ wxDEPRECATED( inline bool HasProp(const wxString& propName) const );
+
+ wxDEPRECATED( inline void SetProperties(wxXmlAttribute *prop) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ // The following three functions are backward compatibility, but because
+ // they were virtual, we must make it possible to override them. This
+ // is done by calling e.g. AddProperty() from AddAttribute(), so we have
+ // to keep AddProperty() even if 2.8 compatibility is off. To prevent
+ // old code from compiling in that case, we make them private and
+ // non-virtual. (This can be removed when WXWIN_COMPATIBILITY_2_8 is
+ // removed, we'll have just *Attribute versions then.)
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED_BUT_USED_INTERNALLY(
+ virtual void AddProperty(const wxString& name, const wxString& value) );
+ wxDEPRECATED_BUT_USED_INTERNALLY(
+ virtual bool DeleteProperty(const wxString& name) );
+ wxDEPRECATED_BUT_USED_INTERNALLY(
+ virtual void AddProperty(wxXmlAttribute *attr) );
+#else
+private:
+ void AddProperty(const wxString& name, const wxString& value);
+ bool DeleteProperty(const wxString& name);
+ void AddProperty(wxXmlAttribute *attr);
+#endif // WXWIN_COMPATIBILITY_2_8/!WXWIN_COMPATIBILITY_2_8
private:
wxXmlNodeType m_type;
wxString m_name;
wxString m_content;
- wxXmlProperty *m_properties;
+ wxXmlAttribute *m_attrs;
wxXmlNode *m_parent, *m_children, *m_next;
+ int m_lineNo; // line number in original file, or -1
+ bool m_noConversion; // don't do encoding conversion - node is plain text
void DoCopy(const wxXmlNode& node);
};
+#if WXWIN_COMPATIBILITY_2_8
+inline wxXmlAttribute *wxXmlNode::GetProperties() const
+ { return GetAttributes(); }
+inline bool wxXmlNode::GetPropVal(const wxString& propName,
+ wxString *value) const
+ { return GetAttribute(propName, value); }
+inline wxString wxXmlNode::GetPropVal(const wxString& propName,
+ const wxString& defaultVal) const
+ { return GetAttribute(propName, defaultVal); }
+inline bool wxXmlNode::HasProp(const wxString& propName) const
+ { return HasAttribute(propName); }
+inline void wxXmlNode::SetProperties(wxXmlAttribute *prop)
+ { SetAttributes(prop); }
+#endif // WXWIN_COMPATIBILITY_2_8
+// special indentation value for wxXmlDocument::Save
+#define wxXML_NO_INDENTATION (-1)
+// flags for wxXmlDocument::Load
+enum wxXmlDocumentLoadFlag
+{
+ wxXMLDOC_NONE = 0,
+ wxXMLDOC_KEEP_WHITESPACE_NODES = 1
+};
// This class holds XML data/document as parsed by XML parser.
const wxString& encoding = wxT("UTF-8"));
wxXmlDocument(wxInputStream& stream,
const wxString& encoding = wxT("UTF-8"));
- ~wxXmlDocument() { delete m_root; }
+ virtual ~wxXmlDocument() { wxDELETE(m_docNode); }
wxXmlDocument(const wxXmlDocument& doc);
wxXmlDocument& operator=(const wxXmlDocument& doc);
// Parses .xml file and loads data. Returns TRUE on success, FALSE
// otherwise.
- bool Load(const wxString& filename,
- const wxString& encoding = wxT("UTF-8"));
- bool Load(wxInputStream& stream,
- const wxString& encoding = wxT("UTF-8"));
-
+ virtual bool Load(const wxString& filename,
+ const wxString& encoding = wxT("UTF-8"), int flags = wxXMLDOC_NONE);
+ virtual bool Load(wxInputStream& stream,
+ const wxString& encoding = wxT("UTF-8"), int flags = wxXMLDOC_NONE);
+
// Saves document as .xml file.
- bool Save(const wxString& filename) const;
- bool Save(wxOutputStream& stream) const;
+ virtual bool Save(const wxString& filename, int indentstep = 2) const;
+ virtual bool Save(wxOutputStream& stream, int indentstep = 2) const;
- bool IsOk() const { return m_root != NULL; }
+ bool IsOk() const { return GetRoot() != NULL; }
// Returns root node of the document.
- wxXmlNode *GetRoot() const { return m_root; }
+ wxXmlNode *GetRoot() const;
+ // Returns the document node.
+ wxXmlNode *GetDocumentNode() const { return m_docNode; }
+
// Returns version of document (may be empty).
- wxString GetVersion() const { return m_version; }
+ const wxString& GetVersion() const { return m_version; }
// Returns encoding of document (may be empty).
// Note: this is the encoding original file was saved in, *not* the
// encoding of in-memory representation!
- wxString GetFileEncoding() const { return m_fileEncoding; }
+ const wxString& GetFileEncoding() const { return m_fileEncoding; }
// Write-access methods:
- void SetRoot(wxXmlNode *node) { delete m_root ; m_root = node; }
+ wxXmlNode *DetachDocumentNode() { wxXmlNode *old=m_docNode; m_docNode=NULL; return old; }
+ void SetDocumentNode(wxXmlNode *node) { wxDELETE(m_docNode); m_docNode = node; }
+ wxXmlNode *DetachRoot();
+ void SetRoot(wxXmlNode *node);
void SetVersion(const wxString& version) { m_version = version; }
void SetFileEncoding(const wxString& encoding) { m_fileEncoding = encoding; }
+ void AppendToProlog(wxXmlNode *node);
#if !wxUSE_UNICODE
// Returns encoding of in-memory representation of the document
void SetEncoding(const wxString& enc) { m_encoding = enc; }
#endif
+ static wxVersionInfo GetLibraryVersionInfo();
+
private:
wxString m_version;
wxString m_fileEncoding;
#if !wxUSE_UNICODE
wxString m_encoding;
#endif
- wxXmlNode *m_root;
+ wxXmlNode *m_docNode;
void DoCopy(const wxXmlDocument& doc);
+
+ DECLARE_CLASS(wxXmlDocument)
};
#endif // wxUSE_XML
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