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Add wxFileSystemHandler for "data" scheme

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This notably allows embedding images directly in HTML.

Closes #24138.
This commit is contained in:
Viachaslau Lisouski 2023-12-15 09:07:39 +01:00 • committed by Vadim Zeitlin
parent 68eaff5c02
commit ca405352e0
14 changed files with 306 additions and 1 deletions
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1
tests/allheaders.h
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@ -152,6 +152,7 @@
#include <wx/fontutil.h>
#include <wx/frame.h>
#include <wx/fs_arc.h>
#include <wx/fs_data.h>
#include <wx/fs_filter.h>
#include <wx/fs_inet.h>
#include <wx/fs_mem.h>

49
tests/filesys/filesystest.cpp
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@ -1,7 +1,7 @@
///////////////////////////////////////////////////////////////////////////////
// Name: tests/filesys/filesys.cpp
// Purpose: wxFileSystem unit test
// Author: Vaclav Slavik
// Author: Vaclav Slavik, Vyacheslav Lisovski
// Created: 2004-03-28
// Copyright: (c) 2004 Vaclav Slavik
///////////////////////////////////////////////////////////////////////////////
@ -21,7 +21,9 @@
#if wxUSE_FILESYSTEM
#include "wx/fs_data.h"
#include "wx/fs_mem.h"
#include "wx/sstream.h"
#include <memory>
@ -177,6 +179,51 @@ TEST_CASE("wxFileSystem::UnicodeFileNameToUrlConversion", "[filesys][url][filena
CHECK( filename.SameAs(wxFileName::URLToFileName(url)) );
}
TEST_CASE("wxFileSystem::DataSchemeFSHandler", "[filesys][dataschemefshandler][openfile]")
{
// Install wxDataSchemeFSHandler just for the duration of this test.
class AutoDataSchemeFSHandler
{
public:
AutoDataSchemeFSHandler() : m_handler(new wxDataSchemeFSHandler())
{
wxFileSystem::AddHandler(m_handler.get());
}
~AutoDataSchemeFSHandler()
{
wxFileSystem::RemoveHandler(m_handler.get());
}
private:
std::unique_ptr<wxDataSchemeFSHandler> const m_handler;
} autoDataSchemeFSHandler;
wxFileSystem fs;
const struct wxTestCaseData
{
const char *info, *input, *result1, *result2;
} testData[] =
{
{ "Testing minimal URI with data",
"data:,the%20data", "text/plain", "the data" },
{ "Testing base64 encoded",
"data:x-t1/x-s1;base64,SGVsbG8sIFdvcmxkIQ==", "x-t1/x-s1", "Hello, World!" },
{ "Testing complex media type",
"data:image/svg+xml;utf8,<svg width='10'... </svg>", "image/svg+xml;utf8", "<svg width='10'... </svg>" }
};
for ( const auto& dataItem : testData )
{
INFO(dataItem.info);
std::unique_ptr<wxFSFile> file(fs.OpenFile(dataItem.input));
CHECK(file->GetMimeType() == dataItem.result1);
wxStringOutputStream sos;
sos.Write(*file->GetStream());
CHECK(sos.GetString () == dataItem.result2);
}
}
// Test that using FindFirst() after removing a previously found URL works:
// this used to be broken, see https://github.com/wxWidgets/wxWidgets/issues/18744
TEST_CASE("wxFileSystem::MemoryFSHandler", "[filesys][memoryfshandler][find]")