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// SPDX-License-Identifier: BSL-1.0
#include <string.h>
#include <functional>
#include <fstream>
#include <iostream>
typedef bool _Bool;
#include "../termpaint_input.h"
#ifndef BUNDLED_PICOJSON
#include "picojson.h"
#else
#include "../third-party/picojson.h"
#endif
#ifndef BUNDLED_DOCOPT
#include "docopt/docopt.h"
#else
#include "../third-party/docopt/docopt.h"
#endif
#ifndef BUNDLED_FMT
#include "fmt/format.h"
#else
#include "../third-party/format.h"
#endif
using jarray = picojson::value::array;
using jobject = picojson::value::object;
template <typename Result, typename... Args>
Result wrapper(void* state, Args... args) {
using FnType = std::function<Result(Args...)>;
FnType& w = *reinterpret_cast<FnType*>(state);
return w(args...);
}
template <typename TYPE1, typename Result, typename... Args>
void wrap(void (*set_cb)(TYPE1 *ctx, Result (*cb)(void *user_data, Args...), void *user_data), TYPE1 *ctx, std::function<Result(Args...)> &fn) {
void *state = reinterpret_cast<void*>(&fn);
set_cb(ctx, &wrapper<Result, Args...>, state);
}
bool parses_as_one(const char *input) {
enum { START, OK, ERROR } state = START;
std::function<_Bool(const char*, unsigned, _Bool overflow)> callback = [input, &state] (const char *data, unsigned length, _Bool overflow) -> _Bool {
(void)overflow;
if (state == START) {
if (length == strlen(input) && memcmp(input, data, length) == 0) {
state = OK;
} else {
state = ERROR;
}
} else if (state == OK) {
state = ERROR;
}
return true;
};
termpaint_input *input_ctx = termpaint_input_new();
wrap(termpaint_input_set_raw_filter_cb, input_ctx, callback);
termpaint_input_add_data(input_ctx, input, strlen(input));
return state == OK;
}
void die(std::string msg) {
std::cout << msg << std::endl;
exit(1);
}
void check_tok(std::string filename) {
std::ifstream istrm(filename);
while (true) {
std::string instr, rawstr;
istrm >> instr;
if (instr.empty()) {
break;
}
rawstr = instr;
while (rawstr.find("\\e") != std::string::npos)
rawstr.replace(rawstr.find("\\e"), 2, "\033");
if (!parses_as_one(rawstr.c_str())) {
puts(instr.c_str());
}
}
}
static int hexToInt(char input) {
if ('0' <= input && input <= '9') {
return input - '0';
} else if ('a' <= input && input <= 'f') {
return input - 'a' + 10;
} else if ('A' <= input && input <= 'F') {
return input - 'A' + 10;
} else {
die("file contains unparsable hex values");
}
return -1;
}
void update_interpretation(std::string filename) {
picojson::value rootval;
{
std::ifstream istrm(filename, std::ios::binary);
istrm >> rootval;
if (istrm.fail()) {
die(fmt::format("Error while reading '{}': {}", filename, picojson::get_last_error()));
}
}
jarray newSequences;
for (const auto &caseval : rootval.get<jobject>()["sequences"].get<jarray>()) {
jobject caseobj = caseval.get<jobject>();
std::string keyId = caseobj["keyId"].get<std::string>();
if (!caseobj.count("raw")) {
newSequences.emplace_back(caseobj);
continue;
}
std::string rawInputHex = caseobj["raw"].get<std::string>();
std::string rawInput;
for (size_t i=0; i < rawInputHex.size(); i+=2) {
unsigned char ch;
ch = (hexToInt(rawInputHex[i]) << 4) + hexToInt(rawInputHex[i+1]);
rawInput.push_back(static_cast<char>(ch));
}
jobject result;
result.emplace("keyId", keyId);
result.emplace("raw", rawInputHex);
enum { START, GOT_EVENT, GOT_SYNC } state = START;
std::function<void(termpaint_event* event)> event_callback
= [&] (termpaint_event* event) -> void {
bool wasSync = event->type == TERMPAINT_EV_KEY && event->key.atom == termpaint_input_i_resync();
if (state == START) {
if (wasSync) {
die(fmt::format("Unable to interpret value for key '{}'. Seems to start with sync", keyId));
}
if (event->type == TERMPAINT_EV_UNKNOWN) {
result.emplace("type", "unknown");
} else if (event->type == TERMPAINT_EV_CHAR) {
std::string modifiers;
modifiers += (event->c.modifier & TERMPAINT_MOD_SHIFT) ? "S" : " ";
modifiers += (event->c.modifier & TERMPAINT_MOD_ALT) ? "A" : " ";
modifiers += (event->c.modifier & TERMPAINT_MOD_CTRL) ? "C" : " ";
result.emplace("type", "char");
result.emplace("mod", modifiers);
result.emplace("chars", std::string(event->c.string, event->c.length));
} else if (event->type == TERMPAINT_EV_KEY) {
std::string modifiers;
modifiers += (event->key.modifier & TERMPAINT_MOD_SHIFT) ? "S" : " ";
modifiers += (event->key.modifier & TERMPAINT_MOD_ALT) ? "A" : " ";
modifiers += (event->key.modifier & TERMPAINT_MOD_CTRL) ? "C" : " ";
result.emplace("type", "key");
result.emplace("mod", modifiers);
result.emplace("key", event->key.atom);
} else {
die(fmt::format("Unable to interpret value for key '{}'. Event type was {}", keyId, event->type));
}
state = GOT_EVENT;
} else if (state == GOT_EVENT) {
if (!wasSync) {
die(fmt::format("Unable to interpret value for key '{}'. Parses as multiple keys", keyId));
}
state = GOT_SYNC;
} else {
die(fmt::format("Unable to interpret value for key '{}'. State was {}", keyId, (int)state));
}
};
termpaint_input *input_ctx = termpaint_input_new();
wrap(termpaint_input_set_event_cb, input_ctx, event_callback);
termpaint_input_add_data(input_ctx, rawInput.data(), rawInput.size());
if (termpaint_input_peek_buffer_length(input_ctx)) {
termpaint_input_add_data(input_ctx, "\033[0n", 4);
}
newSequences.emplace_back(result);
}
rootval.get<jobject>()["sequences"] = picojson::value(newSequences);
std::ofstream outputfile(filename, std::ios::binary);
rootval.serialize(std::ostream_iterator<char>(outputfile), true);
}
static const char usage[] =
R"(Manual checking tool for libtermpaint.
Usage:
mcheck tok <file>
mcheck update-interpretation <file>
mcheck (-h | --help)
)";
int main(int argc, const char** argv)
{
std::map<std::string, docopt::value> args = docopt::docopt(usage, { argv + 1, argv + argc });
if (args["tok"].asBool()) {
check_tok(args["<file>"].asString());
}
if (args["update-interpretation"].asBool()) {
update_interpretation(args["<file>"].asString());
}
return 0;
}
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