4d876ee3f7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13977 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
224 lines
7.1 KiB
C++
224 lines
7.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// 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"
|
|
|
|
#ifdef WXXMLISDLL
|
|
#define WXXMLDLLEXPORT WXDLLEXPORT
|
|
#else
|
|
#define WXXMLDLLEXPORT
|
|
#endif
|
|
|
|
class WXXMLDLLEXPORT wxXmlNode;
|
|
class WXXMLDLLEXPORT wxXmlProperty;
|
|
class WXXMLDLLEXPORT wxXmlDocument;
|
|
class WXXMLDLLEXPORT wxXmlIOHandler;
|
|
class WXDLLEXPORT wxInputStream;
|
|
class WXDLLEXPORT 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
|
|
};
|
|
|
|
|
|
// 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 WXXMLDLLEXPORT wxXmlProperty
|
|
{
|
|
public:
|
|
wxXmlProperty() : m_next(NULL) {}
|
|
wxXmlProperty(const wxString& name, const wxString& value,
|
|
wxXmlProperty *next)
|
|
: m_name(name), m_value(value), m_next(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").
|
|
//
|
|
// If wxUSE_UNICODE is 0, all strings are encoded in the encoding given to Load
|
|
// (default is UTF-8).
|
|
|
|
class WXXMLDLLEXPORT 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
|
|
// 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 XML parser.
|
|
|
|
class WXXMLDLLEXPORT wxXmlDocument : public wxObject
|
|
{
|
|
public:
|
|
wxXmlDocument() : wxObject(), m_version(wxT("1.0")), m_root(NULL) {}
|
|
wxXmlDocument(const wxString& filename,
|
|
const wxString& encoding = wxT("UTF-8"));
|
|
wxXmlDocument(wxInputStream& stream,
|
|
const wxString& encoding = wxT("UTF-8"));
|
|
~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.
|
|
bool Load(const wxString& filename,
|
|
const wxString& encoding = wxT("UTF-8"));
|
|
bool Load(wxInputStream& stream,
|
|
const wxString& encoding = wxT("UTF-8"));
|
|
|
|
// Saves document as .xml file.
|
|
bool Save(const wxString& filename) const;
|
|
bool Save(wxOutputStream& stream) const;
|
|
|
|
bool IsOk() const { return m_root != NULL; }
|
|
|
|
// 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).
|
|
// Note: this is the encoding original fail was saved in, *not* the
|
|
// encoding of in-memory representation!
|
|
wxString GetFileEncoding() const { return m_fileEncoding; }
|
|
|
|
// Write-access methods:
|
|
void SetRoot(wxXmlNode *node) { delete m_root ; m_root = node; }
|
|
void SetVersion(const wxString& version) { m_version = version; }
|
|
void SetFileEncoding(const wxString& encoding) { m_fileEncoding = encoding; }
|
|
|
|
#if !wxUSE_UNICODE
|
|
// Returns encoding of in-memory representation of the document
|
|
// (same as passed to Load or ctor, defaults to UTF-8).
|
|
// NB: this is meaningless in Unicode build where data are stored as wchar_t*
|
|
wxString GetEncoding() const { return m_encoding; }
|
|
#endif
|
|
|
|
private:
|
|
wxString m_version;
|
|
wxString m_fileEncoding;
|
|
#if !wxUSE_UNICODE
|
|
wxString m_encoding;
|
|
#endif
|
|
wxXmlNode *m_root;
|
|
|
|
void DoCopy(const wxXmlDocument& doc);
|
|
};
|
|
|
|
#endif // _WX_XML_H_
|