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mirror of https://gitlab.com/kicad/code/kicad.git synced 2024-11-24 00:34:47 +00:00
kicad/common/api/api_plugin.cpp
2024-04-02 19:51:18 -04:00

333 lines
9.4 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2024 Jon Evans <jon@craftyjon.com>
* Copyright (C) 2024 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <magic_enum.hpp>
#include <nlohmann/json.hpp>
#include <wx/log.h>
#include <wx/regex.h>
#include <wx/stdstream.h>
#include <wx/wfstream.h>
#include <api/api_plugin.h>
#include <api/api_plugin_manager.h>
#include <json_conversions.h>
bool PLUGIN_RUNTIME::FromJson( const nlohmann::json& aJson )
{
// TODO move to tl::expected and give user feedback about parse errors
try
{
type = magic_enum::enum_cast<PLUGIN_RUNTIME_TYPE>( aJson.at( "type" ).get<std::string>(),
magic_enum::case_insensitive )
.value_or( PLUGIN_RUNTIME_TYPE::INVALID );
}
catch( ... )
{
return false;
}
return type != PLUGIN_RUNTIME_TYPE::INVALID;
}
struct API_PLUGIN_CONFIG
{
API_PLUGIN_CONFIG( API_PLUGIN& aParent, const wxFileName& aConfigFile );
bool valid;
wxString identifier;
wxString name;
wxString description;
PLUGIN_RUNTIME runtime;
std::vector<PLUGIN_ACTION> actions;
API_PLUGIN& parent;
};
API_PLUGIN_CONFIG::API_PLUGIN_CONFIG( API_PLUGIN& aParent, const wxFileName& aConfigFile ) :
parent( aParent )
{
valid = false;
if( !aConfigFile.IsFileReadable() )
return;
wxLogTrace( traceApi, "Plugin: parsing config file" );
wxFFileInputStream fp( aConfigFile.GetFullPath(), wxT( "rt" ) );
wxStdInputStream fstream( fp );
nlohmann::json js;
try
{
js = nlohmann::json::parse( fstream, nullptr,
/* allow_exceptions = */ true,
/* ignore_comments = */ true );
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception during parse" );
return;
}
// TODO add schema and validate
// All of these are required; any exceptions here leave us with valid == false
try
{
identifier = js.at( "identifier" ).get<wxString>();
name = js.at( "name" ).get<wxString>();
description = js.at( "description" ).get<wxString>();
if( !runtime.FromJson( js.at( "runtime" ) ) )
{
wxLogTrace( traceApi, "Plugin: error parsing runtime section" );
return;
}
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception while parsing required keys" );
return;
}
// At minimum, we need a reverse-DNS style identifier with two dots and a 2+ character TLD
wxRegEx identifierRegex( wxS( "[\\w\\d]{2,}\\.[\\w\\d]+\\.[\\w\\d]+" ) );
if( !identifierRegex.Matches( identifier ) )
{
wxLogTrace( traceApi, wxString::Format( "Plugin: identifier %s does not meet requirements",
identifier ) );
return;
}
wxLogTrace( traceApi, wxString::Format( "Plugin: %s (%s)", identifier, name ) );
try
{
const nlohmann::json& actionsJs = js.at( "actions" );
if( actionsJs.is_array() )
{
for( const nlohmann::json& actionJs : actionsJs )
{
if( std::optional<PLUGIN_ACTION> a = parent.createActionFromJson( actionJs ) )
{
a->identifier = wxString::Format( "%s.%s", identifier, a->identifier );
wxLogTrace( traceApi, wxString::Format( "Plugin: loaded action %s",
a->identifier ) );
actions.emplace_back( *a );
}
}
}
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception while parsing actions" );
}
valid = true;
}
API_PLUGIN::API_PLUGIN( const wxFileName& aConfigFile ) :
m_configFile( aConfigFile ),
m_config( std::make_unique<API_PLUGIN_CONFIG>( *this, aConfigFile ) )
{
}
API_PLUGIN::~API_PLUGIN()
{
}
bool API_PLUGIN::IsOk() const
{
return m_config->valid;
}
const wxString& API_PLUGIN::Identifier() const
{
return m_config->identifier;
}
const wxString& API_PLUGIN::Name() const
{
return m_config->name;
}
const wxString& API_PLUGIN::Description() const
{
return m_config->description;
}
const PLUGIN_RUNTIME& API_PLUGIN::Runtime() const
{
return m_config->runtime;
}
const std::vector<PLUGIN_ACTION>& API_PLUGIN::Actions() const
{
return m_config->actions;
}
wxString API_PLUGIN::BasePath() const
{
return m_configFile.GetPath();
}
std::optional<PLUGIN_ACTION> API_PLUGIN::createActionFromJson( const nlohmann::json& aJson )
{
// TODO move to tl::expected and give user feedback about parse errors
PLUGIN_ACTION action( *this );
try
{
action.identifier = aJson.at( "identifier" ).get<wxString>();
wxLogTrace( traceApi, wxString::Format( "Plugin: load action %s", action.identifier ) );
action.name = aJson.at( "name" ).get<wxString>();
action.description = aJson.at( "description" ).get<wxString>();
action.entrypoint = aJson.at( "entrypoint" ).get<wxString>();
action.show_button = aJson.contains( "show-button" ) && aJson.at( "show-button" ).get<bool>();
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception while parsing action required keys" );
return std::nullopt;
}
wxFileName f( action.entrypoint );
if( !f.IsRelative() )
{
wxLogTrace( traceApi, wxString::Format( "Plugin: action contains abs path %s; skipping",
action.entrypoint ) );
return std::nullopt;
}
f.Normalize( wxPATH_NORM_ABSOLUTE, m_configFile.GetPath() );
if( !f.IsFileReadable() )
{
wxLogTrace( traceApi, wxString::Format( "WARNING: action entrypoint %s is not readable",
f.GetFullPath() ) );
}
if( aJson.contains( "args" ) && aJson.at( "args" ).is_array() )
{
for( const nlohmann::json& argJs : aJson.at( "args" ) )
{
try
{
action.args.emplace_back( argJs.get<wxString>() );
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception while parsing action args" );
continue;
}
}
}
if( aJson.contains( "scopes" ) && aJson.at( "scopes" ).is_array() )
{
for( const nlohmann::json& scopeJs : aJson.at( "scopes" ) )
{
try
{
action.scopes.insert( magic_enum::enum_cast<PLUGIN_ACTION_SCOPE>(
scopeJs.get<std::string>(), magic_enum::case_insensitive )
.value_or( PLUGIN_ACTION_SCOPE::INVALID ) );
}
catch( ... )
{
wxLogTrace( traceApi, "Plugin: exception while parsing action scopes" );
continue;
}
}
}
auto handleBitmap =
[&]( const std::string& aKey, wxBitmapBundle& aDest )
{
if( aJson.contains( aKey ) && aJson.at( aKey ).is_array() )
{
wxVector<wxBitmap> bitmaps;
for( const nlohmann::json& iconJs : aJson.at( aKey ) )
{
wxFileName iconFile;
try
{
iconFile = iconJs.get<wxString>();
}
catch( ... )
{
continue;
}
iconFile.Normalize( wxPATH_NORM_ABSOLUTE, m_configFile.GetPath() );
wxLogTrace( traceApi,
wxString::Format( "Plugin: action %s: loading icon %s",
action.identifier, iconFile.GetFullPath() ) );
if( !iconFile.IsFileReadable() )
{
wxLogTrace( traceApi, "Plugin: icon file could not be read" );
continue;
}
wxBitmap bmp;
// TODO: If necessary; support types other than PNG
bmp.LoadFile( iconFile.GetFullPath(), wxBITMAP_TYPE_PNG );
if( bmp.IsOk() )
bitmaps.push_back( bmp );
else
wxLogTrace( traceApi, "Plugin: icon file not a valid bitmap" );
}
aDest = wxBitmapBundle::FromBitmaps( bitmaps );
}
};
handleBitmap( "icons-light", action.icon_light );
handleBitmap( "icons-dark", action.icon_dark );
return action;
}