initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/richtext/richtexthtml.h

@@ -0,0 +1,146 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/richtext/richtexthtml.h
+// Purpose:     HTML I/O for wxRichTextCtrl
+// Author:      Julian Smart
+// Created:     2005-09-30
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_RICHTEXTHTML_H_
+#define _WX_RICHTEXTHTML_H_
+
+/*!
+ * Includes
+ */
+
+#include "wx/richtext/richtextbuffer.h"
+
+// Use CSS styles where applicable, otherwise use non-CSS workarounds
+#define wxRICHTEXT_HANDLER_USE_CSS 0x1000
+
+/*!
+ * wxRichTextHTMLHandler
+ */
+
+class WXDLLIMPEXP_RICHTEXT wxRichTextHTMLHandler: public wxRichTextFileHandler
+{
+    wxDECLARE_DYNAMIC_CLASS(wxRichTextHTMLHandler);
+public:
+    wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML);
+
+    /// Can we save using this handler?
+    virtual bool CanSave() const override { return true; }
+
+    /// Can we load using this handler?
+    virtual bool CanLoad() const override { return false; }
+
+    /// Can we handle this filename (if using files)? By default, checks the extension.
+    virtual bool CanHandle(const wxString& filename) const override;
+
+// Accessors and operations unique to this handler
+
+    /// Set and get the list of image locations generated by the last operation
+    void SetTemporaryImageLocations(const wxArrayString& locations) { m_imageLocations = locations; }
+    const wxArrayString& GetTemporaryImageLocations() const { return m_imageLocations; }
+
+    /// Clear the image locations generated by the last operation
+    void ClearTemporaryImageLocations() { m_imageLocations.Clear(); }
+
+    /// Delete the in-memory or temporary files generated by the last operation
+    bool DeleteTemporaryImages();
+
+    /// Delete the in-memory or temporary files generated by the last operation. This is a static
+    /// function that can be used to delete the saved locations from an earlier operation,
+    /// for example after the user has viewed the HTML file.
+    static bool DeleteTemporaryImages(int flags, const wxArrayString& imageLocations);
+
+    /// Reset the file counter, in case, for example, the same names are required each time
+    static void SetFileCounter(int counter) { sm_fileCounter = counter; }
+
+    /// Set and get the directory for storing temporary files. If empty, the system
+    /// temporary directory will be used.
+    void SetTempDir(const wxString& tempDir) { m_tempDir = tempDir; }
+    const wxString& GetTempDir() const { return m_tempDir; }
+
+    /// Set and get mapping from point size to HTML font size. There should be 7 elements,
+    /// one for each HTML font size, each element specifying the maximum point size for that
+    /// HTML font size. E.g. 8, 10, 13, 17, 22, 29, 100
+    void SetFontSizeMapping(const wxArrayInt& fontSizeMapping) { m_fontSizeMapping = fontSizeMapping; }
+    wxArrayInt GetFontSizeMapping() const { return m_fontSizeMapping; }
+
+protected:
+
+// Implementation
+
+#if wxUSE_STREAMS
+    virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) override;
+    virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) override;
+
+    /// Output character formatting
+    void BeginCharacterFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, const wxRichTextAttr& paraStyle, wxTextOutputStream& stream );
+    void EndCharacterFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, const wxRichTextAttr& paraStyle, wxTextOutputStream& stream );
+
+    /// Output paragraph formatting
+    void BeginParagraphFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, wxTextOutputStream& stream);
+    void EndParagraphFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, wxTextOutputStream& stream);
+
+    /// Output font tag
+    void OutputFont(const wxRichTextAttr& style, wxTextOutputStream& stream);
+
+    /// Closes lists to level (-1 means close all)
+    void CloseLists(int level, wxTextOutputStream& str);
+
+    /// Writes an image to its base64 equivalent, or to the memory filesystem, or to a file
+    void WriteImage(wxRichTextImage* image, wxOutputStream& stream);
+
+    /// Converts from pt to size property compatible height
+    long PtToSize(long size);
+
+    /// Typical base64 encoder
+    wxChar* b64enc(unsigned char* input, size_t in_len);
+
+    /// Gets the mime type of the given wxBITMAP_TYPE
+    const wxChar* GetMimeType(int imageType);
+
+    /// Gets the html equivalent of the specified value
+    wxString GetAlignment(const wxRichTextAttr& thisStyle);
+
+    /// Generates   array for indentations
+    wxString SymbolicIndent(long indent);
+
+    /// Finds the html equivalent of the specified bullet
+    int TypeOfList(const wxRichTextAttr& thisStyle, wxString& tag);
+#endif
+
+// Data members
+
+    wxRichTextBuffer* m_buffer;
+
+    /// Indentation values of the table tags
+    wxArrayInt      m_indents;
+
+    /// Stack of list types: 0 = ol, 1 = ul
+    wxArrayInt      m_listTypes;
+
+    /// Is there any opened font tag?
+    bool            m_font;
+
+    /// Are we in a table?
+    bool            m_inTable;
+
+    /// A list of the image files or in-memory images created by the last operation.
+    wxArrayString   m_imageLocations;
+
+    /// A location for the temporary files
+    wxString        m_tempDir;
+
+    /// A mapping from point size to HTML font size
+    wxArrayInt      m_fontSizeMapping;
+
+    /// A counter for generating filenames
+    static int      sm_fileCounter;
+};
+
+#endif
+    // _WX_RICHTEXTXML_H_