mirror of
https://github.com/LadybirdBrowser/ladybird.git
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94ca55cefd
As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/JsonObject.h>
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#include <LibCore/CFile.h>
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#include <stdio.h>
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#include <Kernel/Syscall.h>
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#include <AK/Optional.h>
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#include <AK/StdLibExtras.h>
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#include <AK/kmalloc.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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char* read_map(const JsonObject& json, const String& name)
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{
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if (!json.has(name))
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return nullptr;
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char* map = new char[0x80]();
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auto map_arr = json.get(name).as_array();
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for (int i = 0; i < map_arr.size(); i++) {
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auto key_value = map_arr.at(i).as_string();
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char character = 0;
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if (key_value.length() == 0) {
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;
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} else if (key_value.length() == 1) {
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character = key_value.characters()[0];
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} else if (key_value.length() == 4) {
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// FIXME: Replace this workaround with "\u001B" in the keymap files
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// after these kind of escape sequences are implemented in JsonParser.
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if (key_value == "0x1B") {
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character = 0x1B;
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}
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} else {
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fprintf(stderr, "Unknown character in %s[%u] = %s.\n", name.characters(), i, key_value.characters());
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ASSERT_NOT_REACHED();
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}
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map[i] = character;
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}
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return map;
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}
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RefPtr<CFile> open_keymap_file(String& filename)
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{
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auto file = CFile::construct(filename);
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if (file->open(CIODevice::ReadOnly))
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return file;
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if (!filename.ends_with(".json")) {
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StringBuilder full_path;
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full_path.append("/res/keymaps/");
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full_path.append(filename);
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full_path.append(".json");
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filename = full_path.to_string();
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file = CFile::construct(filename);
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if (file->open(CIODevice::ReadOnly))
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return file;
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}
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return file;
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}
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int read_map_from_file(String& filename)
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{
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auto file = open_keymap_file(filename);
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if (!file->is_open()) {
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fprintf(stderr, "Failed to open %s: %s\n", filename.characters(), file->error_string());
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return 1;
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}
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auto file_contents = file->read_all();
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auto json = JsonValue::from_string(file_contents).as_object();
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char* map = read_map(json, "map");
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char* shift_map = read_map(json, "shift_map");
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char* alt_map = read_map(json, "alt_map");
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char* altgr_map = read_map(json, "altgr_map");
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if (!altgr_map) {
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// AltGr map was not found, using Alt map as fallback.
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altgr_map = alt_map;
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}
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Syscall::SC_setkeymap_params params { map, shift_map, alt_map, altgr_map };
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return syscall(SC_setkeymap, ¶ms);
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}
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int main(int argc, char** argv)
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{
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if (argc != 2) {
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fprintf(stderr, "usage: keymap <name|file>\n");
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return 0;
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}
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String filename = argv[1];
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int ret_val = read_map_from_file(filename);
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if (ret_val == -EPERM)
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fprintf(stderr, "Permission denied.\n");
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if (ret_val == 0)
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fprintf(stderr, "New keymap loaded from \"%s\".\n", filename.characters());
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return ret_val;
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}
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