238 lines
9.5 KiB
Objective-C
238 lines
9.5 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/richtext/richtextxml.h
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// Purpose: XML and HTML I/O for wxRichTextCtrl
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// Author: Julian Smart
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// Modified by:
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// Created: 2005-09-30
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_RICHTEXTXML_H_
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#define _WX_RICHTEXTXML_H_
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/*!
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* Includes
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*/
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#include "wx/hashmap.h"
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#include "wx/richtext/richtextbuffer.h"
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#include "wx/richtext/richtextstyles.h"
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#if wxUSE_RICHTEXT && wxUSE_XML
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/*!
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@class wxRichTextXMLHelper
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A utility class to help with XML import/export, that can be used outside
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saving a buffer if needed.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHelper: public wxObject
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{
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public:
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wxRichTextXMLHelper() { Init(); }
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wxRichTextXMLHelper(const wxString& enc) { Init(); SetupForSaving(enc); }
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~wxRichTextXMLHelper();
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void Init();
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void SetupForSaving(const wxString& enc);
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void Clear();
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void SetFileEncoding(const wxString& encoding) { m_fileEncoding = encoding; }
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const wxString& GetFileEncoding() const { return m_fileEncoding; }
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// Convert a colour to a 6-digit hex string
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static wxString ColourToHexString(const wxColour& col);
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// Convert 6-digit hex string to a colour
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static wxColour HexStringToColour(const wxString& hex);
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static wxString MakeString(const int& v) { return wxString::Format(wxT("%d"), v); }
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static wxString MakeString(const long& v) { return wxString::Format(wxT("%ld"), v); }
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static wxString MakeString(const double& v) { return wxString::Format(wxT("%.2f"), (float) v); }
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static wxString MakeString(const wxString& s) { return s; }
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static wxString MakeString(const wxColour& col) { return wxT("#") + ColourToHexString(col); }
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static bool HasParam(wxXmlNode* node, const wxString& param);
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static wxXmlNode *GetParamNode(wxXmlNode* node, const wxString& param);
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static wxString GetNodeContent(wxXmlNode *node);
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static wxString GetParamValue(wxXmlNode *node, const wxString& param);
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static wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString);
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static wxXmlNode* FindNode(wxXmlNode* node, const wxString& name);
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static wxString AttributeToXML(const wxString& str);
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static bool RichTextFixFaceName(wxString& facename);
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static long ColourStringToLong(const wxString& colStr);
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static wxTextAttrDimension ParseDimension(const wxString& dimStr);
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// Make a string from the given property. This can be overridden for custom variants.
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virtual wxString MakeStringFromProperty(const wxVariant& var);
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// Create a proprty from the string read from the XML file.
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virtual wxVariant MakePropertyFromString(const wxString& name, const wxString& value, const wxString& type);
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// Import properties
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virtual bool ImportProperties(wxRichTextProperties& properties, wxXmlNode* node);
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virtual bool ImportStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
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virtual bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
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// Get flags, as per handler flags
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int GetFlags() const { return m_flags; }
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void SetFlags(int flags) { m_flags = flags; }
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#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
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// write string to output
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static void OutputString(wxOutputStream& stream, const wxString& str,
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wxMBConv *convMem, wxMBConv *convFile);
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static void OutputIndentation(wxOutputStream& stream, int indent);
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// Same as above, but create entities first.
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// Translates '<' to "<", '>' to ">" and '&' to "&"
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static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
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wxMBConv *convMem, wxMBConv *convFile);
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void OutputString(wxOutputStream& stream, const wxString& str);
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void OutputStringEnt(wxOutputStream& stream, const wxString& str);
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static void AddString(wxString& str, const int& v) { str << wxString::Format(wxT("%d"), v); }
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static void AddString(wxString& str, const long& v) { str << wxString::Format(wxT("%ld"), v); }
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static void AddString(wxString& str, const double& v) { str << wxString::Format(wxT("%.2f"), (float) v); }
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static void AddString(wxString& str, const wxChar* s) { str << s; }
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static void AddString(wxString& str, const wxString& s) { str << s; }
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static void AddString(wxString& str, const wxColour& col) { str << wxT("#") << ColourToHexString(col); }
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static void AddAttribute(wxString& str, const wxString& name, const int& v);
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static void AddAttribute(wxString& str, const wxString& name, const long& v);
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static void AddAttribute(wxString& str, const wxString& name, const double& v);
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static void AddAttribute(wxString& str, const wxString& name, const wxChar* s);
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static void AddAttribute(wxString& str, const wxString& name, const wxString& s);
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static void AddAttribute(wxString& str, const wxString& name, const wxColour& col);
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static void AddAttribute(wxString& str, const wxString& name, const wxTextAttrDimension& dim);
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static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrDimensions& dims);
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static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrBorder& border);
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static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrBorders& borders);
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/// Create a string containing style attributes
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static wxString AddAttributes(const wxRichTextAttr& attr, bool isPara = false);
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virtual bool ExportStyleDefinition(wxOutputStream& stream, wxRichTextStyleDefinition* def, int level);
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virtual bool WriteProperties(wxOutputStream& stream, const wxRichTextProperties& properties, int level);
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#endif
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#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
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static void AddAttribute(wxXmlNode* node, const wxString& name, const int& v);
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static void AddAttribute(wxXmlNode* node, const wxString& name, const long& v);
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static void AddAttribute(wxXmlNode* node, const wxString& name, const double& v);
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static void AddAttribute(wxXmlNode* node, const wxString& name, const wxString& s);
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static void AddAttribute(wxXmlNode* node, const wxString& name, const wxColour& col);
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static void AddAttribute(wxXmlNode* node, const wxString& name, const wxTextAttrDimension& dim);
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static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrDimensions& dims);
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static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrBorder& border);
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static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrBorders& borders);
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static bool AddAttributes(wxXmlNode* node, wxRichTextAttr& attr, bool isPara = false);
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virtual bool ExportStyleDefinition(wxXmlNode* parent, wxRichTextStyleDefinition* def);
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// Write the properties
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virtual bool WriteProperties(wxXmlNode* node, const wxRichTextProperties& properties);
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#endif
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public:
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#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
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// Used during saving
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wxMBConv* m_convMem;
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wxMBConv* m_convFile;
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bool m_deleteConvFile;
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#endif
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wxString m_fileEncoding;
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int m_flags;
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};
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/*!
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@class wxRichTextXMLHandler
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Implements XML loading and saving. Two methods of saving are included:
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writing directly to a text stream, and populating an wxXmlDocument
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before writing it. The former method is considerably faster, so we favour
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that one, even though the code is a little less elegant.
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*/
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class WXDLLIMPEXP_FWD_XML wxXmlNode;
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class WXDLLIMPEXP_FWD_XML wxXmlDocument;
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class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
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{
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DECLARE_DYNAMIC_CLASS(wxRichTextXMLHandler)
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public:
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wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
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: wxRichTextFileHandler(name, ext, type)
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{ Init(); }
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void Init();
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#if wxUSE_STREAMS
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#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
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/// Recursively export an object
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bool ExportXML(wxOutputStream& stream, wxRichTextObject& obj, int level);
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#endif
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#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
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bool ExportXML(wxXmlNode* parent, wxRichTextObject& obj);
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#endif
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/// Recursively import an object
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bool ImportXML(wxRichTextBuffer* buffer, wxRichTextObject* obj, wxXmlNode* node);
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#endif
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/// Creates an object given an XML element name
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virtual wxRichTextObject* CreateObjectForXMLName(wxRichTextObject* parent, const wxString& name) const;
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/// Can we save using this handler?
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virtual bool CanSave() const { return true; }
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/// Can we load using this handler?
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virtual bool CanLoad() const { return true; }
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/// Returns the XML helper object, implementing functionality
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/// that can be reused elsewhere.
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wxRichTextXMLHelper& GetHelper() { return m_helper; }
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// Implementation
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/**
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Call with XML node name, C++ class name so that wxRTC can read in the node.
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If you add a custom object, call this.
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*/
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static void RegisterNodeName(const wxString& nodeName, const wxString& className) { sm_nodeNameToClassMap[nodeName] = className; }
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/**
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Cleans up the mapping between node name and C++ class.
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*/
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static void ClearNodeToClassMap() { sm_nodeNameToClassMap.clear(); }
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protected:
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#if wxUSE_STREAMS
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virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
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virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
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#endif
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wxRichTextXMLHelper m_helper;
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static wxStringToStringHashMap sm_nodeNameToClassMap;
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};
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#endif
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// wxUSE_RICHTEXT && wxUSE_XML
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#endif
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// _WX_RICHTEXTXML_H_
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