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#include <AK/JsonObject.h>
#include <LibCore/CFile.h>
#include <stdio.h>
#include <Kernel/Syscall.h>
#include <AK/Optional.h>
#include <AK/StdLibExtras.h>
#include <AK/kmalloc.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
char* read_map(const JsonObject& json, const String& name)
{
char* map = new char[80];
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();
char character = 0;
if( key_value.length() == 0) {
;
} else if(key_value.length() == 1){
character = key_value.characters()[0];
} else if(key_value.length() == 4){
if(key_value == "0x08"){
character = 0x08;
}else if(key_value == "0x33"){
character = 0x33;
}
} else {
fprintf(stderr, "Unknown character in %s[%u] = %s.\n", name.characters(), i, key_value.characters());
ASSERT_NOT_REACHED();
}
map[i] = character;
}
return map;
}
int read_map_from_file(String filename){
auto file = CFile::construct(filename);
if (!file->open(CIODevice::ReadOnly)) {
fprintf(stderr, "Failed to open %s: %s\n", filename.characters(), file->error_string());
return 1;
}
auto file_contents = file->read_all();
auto json = JsonValue::from_string(file_contents).as_object();
char* map = read_map(json, "map");
char* shift_map = read_map(json, "shift_map");
char* alt_map = read_map(json, "alt_map");
return syscall(SC_setkeymap, map, shift_map, alt_map);
}
int main(int argc, char** argv)
{
if (argc != 2) {
fprintf(stderr, "usage: keymap <file>\n");
return 0;
}
String filename = argv[1];
int ret_val = read_map_from_file(filename);
if(ret_val == -EPERM)
fprintf(stderr, "Permission denied.\n");
if(ret_val == 0)
fprintf(stderr, "New keymap loaded from \"%s\".\n", filename.characters());
return ret_val;
}
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