mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
|
||
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
|
||
* All rights reserved.
|
||
*
|
||
* Redistribution and use in source and binary forms, with or without
|
||
* modification, are permitted provided that the following conditions are met:
|
||
*
|
||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||
* list of conditions and the following disclaimer.
|
||
*
|
||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||
* this list of conditions and the following disclaimer in the documentation
|
||
* and/or other materials provided with the distribution.
|
||
*
|
||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
*/
|
||
|
||
#include "CharacterMapFile.h"
|
||
#include <AK/Utf8View.h>
|
||
#include <LibCore/File.h>
|
||
|
||
namespace Keyboard {
|
||
|
||
Optional<CharacterMapData> CharacterMapFile::load_from_file(const String& file_name)
|
||
{
|
||
auto path = file_name;
|
||
if (!path.ends_with(".json")) {
|
||
StringBuilder full_path;
|
||
full_path.append("/res/keymaps/");
|
||
full_path.append(file_name);
|
||
full_path.append(".json");
|
||
path = full_path.to_string();
|
||
}
|
||
|
||
auto file = Core::File::construct(path);
|
||
file->open(Core::IODevice::ReadOnly);
|
||
if (!file->is_open()) {
|
||
dbg() << "Failed to open " << file_name << ":" << file->error_string();
|
||
return {};
|
||
}
|
||
|
||
auto file_contents = file->read_all();
|
||
auto json_result = JsonValue::from_string(file_contents);
|
||
if (!json_result.has_value())
|
||
return {};
|
||
auto json = json_result.value().as_object();
|
||
|
||
Vector<u32> map = read_map(json, "map");
|
||
Vector<u32> shift_map = read_map(json, "shift_map");
|
||
Vector<u32> alt_map = read_map(json, "alt_map");
|
||
Vector<u32> altgr_map = read_map(json, "altgr_map");
|
||
|
||
CharacterMapData character_map;
|
||
for (int i = 0; i < CHAR_MAP_SIZE; i++) {
|
||
character_map.map[i] = map.at(i);
|
||
character_map.shift_map[i] = shift_map.at(i);
|
||
character_map.alt_map[i] = alt_map.at(i);
|
||
if (altgr_map.is_empty()) {
|
||
// AltGr map was not found, using Alt map as fallback.
|
||
character_map.altgr_map[i] = alt_map.at(i);
|
||
} else {
|
||
character_map.altgr_map[i] = altgr_map.at(i);
|
||
}
|
||
}
|
||
|
||
return character_map;
|
||
}
|
||
|
||
Vector<u32> CharacterMapFile::read_map(const JsonObject& json, const String& name)
|
||
{
|
||
if (!json.has(name))
|
||
return {};
|
||
|
||
Vector<u32> buffer;
|
||
buffer.resize(CHAR_MAP_SIZE);
|
||
|
||
auto map_arr = json.get(name).as_array();
|
||
for (int i = 0; i < map_arr.size(); i++) {
|
||
auto key_value = map_arr.at(i).as_string();
|
||
if (key_value.length() == 0) {
|
||
buffer[i] = 0;
|
||
} else if (key_value.length() == 1) {
|
||
buffer[i] = key_value.characters()[0];
|
||
} else {
|
||
Utf8View m_utf8_view(key_value.characters());
|
||
buffer[i] = *m_utf8_view.begin();
|
||
}
|
||
}
|
||
|
||
return buffer;
|
||
}
|
||
|
||
}
|