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added XML resources library

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7831 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Václav Slavík
2000-07-25 18:47:21 +00:00
parent ca7408bd9a
commit 56d2f75071
106 changed files with 8512 additions and 1 deletions
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contrib/include/wx/xml/xml.h Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: xml.h
// Purpose: wxXmlDocument - XML parser & data holder class
// Author: Vaclav Slavik
// Created: 2000/03/05
// RCS-ID: $Id$
// Copyright: (c) 2000 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_XML_H_
#define _WX_XML_H_
#ifdef __GNUG__
#pragma interface "xml.h"
#endif
#include "wx/defs.h"
#include "wx/string.h"
#include "wx/object.h"
#include "wx/list.h"
class wxXmlNode;
class wxXmlProperty;
class wxXmlDocument;
class wxXmlIOHandler;
class wxInputStream;
class wxOutputStream;
// Represents XML node type.
enum wxXmlNodeType
{
// note: values are synchronized with xmlElementType from libxml
wxXML_ELEMENT_NODE = 1,
wxXML_ATTRIBUTE_NODE = 2,
wxXML_TEXT_NODE = 3,
wxXML_CDATA_SECTION_NODE = 4,
wxXML_ENTITY_REF_NODE = 5,
wxXML_ENTITY_NODE = 6,
wxXML_PI_NODE = 7,
wxXML_COMMENT_NODE = 8,
wxXML_DOCUMENT_NODE = 9,
wxXML_DOCUMENT_TYPE_NODE = 10,
wxXML_DOCUMENT_FRAG_NODE = 11,
wxXML_NOTATION_NODE = 12,
wxXML_HTML_DOCUMENT_NODE = 13
};
// Types of XML files:
enum wxXmlIOType
{
wxXML_IO_AUTO = 0, // detect it automatically
wxXML_IO_LIBXML, // use libxml2 to parse/save XML document
wxXML_IO_BIN, // save in binary uncompressed proprietary format
wxXML_IO_BINZ // svae in binary zlib-compressed proprietary format
};
// Represents node property(ies).
// Example: in <img src="hello.gif" id="3"/> "src" is property with value
// "hello.gif" and "id" is prop. with value "3".
class WXDLLEXPORT wxXmlProperty
{
public:
wxXmlProperty() : m_Next(NULL) {}
wxXmlProperty(const wxString& name, const wxString& value, wxXmlProperty *next)
: m_Name(name), m_Value(value), m_Next(next) {}
~wxXmlProperty() { delete m_Next; }
wxString GetName() const { return m_Name; }
wxString GetValue() const { return m_Value; }
wxXmlProperty *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; }
private:
wxString m_Name;
wxString m_Value;
wxXmlProperty *m_Next;
};
// 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
// 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 WXDLLEXPORT 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() { delete m_Properties; delete m_Next; delete m_Children; }
// copy ctor & operator=. Note that this does NOT copy syblings
// 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.
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);
// access methods:
wxXmlNodeType GetType() const { return m_Type; }
wxString GetName() const { return m_Name; }
wxString GetContent() const { return m_Content; }
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;
void SetType(wxXmlNodeType type) { m_Type = type; }
void SetName(const wxString& name) { m_Name = name; }
void SetContent(const wxString& con) { m_Content = con; }
void SetParent(wxXmlNode *parent) { m_Parent = parent; }
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);
private:
wxXmlNodeType m_Type;
wxString m_Name;
wxString m_Content;
wxXmlProperty *m_Properties;
wxXmlNode *m_Parent, *m_Children, *m_Next;
void DoCopy(const wxXmlNode& node);
};
// This class holds XML data/document as parsed by libxml. Note that
// internal representation is independant on libxml and you can use
// it without libxml (see Load/SaveBinary).
class WXDLLEXPORT wxXmlDocument : public wxObject
{
public:
wxXmlDocument() : wxObject(), m_Version(_T("1.0")), m_Root(NULL) {}
wxXmlDocument(const wxString& filename, wxXmlIOType io_type = wxXML_IO_AUTO);
wxXmlDocument(wxInputStream& stream, wxXmlIOType io_type = wxXML_IO_AUTO);
~wxXmlDocument() { delete m_Root; }
wxXmlDocument(const wxXmlDocument& doc);
wxXmlDocument& operator=(const wxXmlDocument& doc);
// Parses .xml file and loads data. Returns TRUE on success, FALSE
// otherwise.
// NOTE: Any call to this method will result into linking against libxml
// and app's binary size will grow by ca. 250kB
bool Load(const wxString& filename, wxXmlIOType io_type = wxXML_IO_AUTO);
bool Load(wxInputStream& stream, wxXmlIOType io_type = wxXML_IO_AUTO);
// Saves document as .xml file.
// NOTE: Any call to this method will result into linking against libxml
// and app's binary size will grow by ca. 250kB
bool Save(const wxString& filename, wxXmlIOType io_type) const;
bool Save(wxOutputStream& stream, wxXmlIOType io_type) const;
// Returns root node of the document.
wxXmlNode *GetRoot() const { return m_Root; }
// Returns version of document (may be empty).
wxString GetVersion() const { return m_Version; }
// Returns encoding of document (may be empty).
wxString GetEncoding() const { return m_Encoding; }
// Write-access methods:
void SetRoot(wxXmlNode *node) { delete m_Root ; m_Root = node; }
void SetVersion(const wxString& version) { m_Version = version; }
void SetEncoding(const wxString& encoding) { m_Encoding = encoding; }
static void AddHandler(wxXmlIOHandler *handler);
static void CleanUpHandlers();
static void InitStandardHandlers();
protected:
static wxList *sm_Handlers;
private:
wxString m_Version, m_Encoding;
wxXmlNode *m_Root;
void DoCopy(const wxXmlDocument& doc);
};
// wxXmlIOHandler takes care of loading and/or saving XML data.
// see xmlio.h for available handlers
class WXDLLEXPORT wxXmlIOHandler : public wxObject
{
public:
wxXmlIOHandler() {}
virtual wxXmlIOType GetType() = 0;
virtual bool CanLoad(wxInputStream& stream) = 0;
virtual bool CanSave() = 0;
virtual bool Load(wxInputStream& stream, wxXmlDocument& doc) = 0;
virtual bool Save(wxOutputStream& stream, const wxXmlDocument& doc) = 0;
};
#endif // _WX_XML_H_