CmdSeq.cpp

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#include <toolpp/CmdSeq.h>
 
#include <cstring>
 
#include <FileStream.h>
#include <kvpp/kvpp.h>
#include <sourcepp/String.h>
 
using namespace kvpp;
using namespace sourcepp;
using namespace toolpp;
 
namespace {
 
CmdSeq::Command::Special specialCmdFromString(std::string_view specialCmd) {
    using enum CmdSeq::Command::Special;
    if (string::iequals(specialCmd, "change_dir")) {
        return CHANGE_DIRECTORY;
    }
    if (string::iequals(specialCmd, "copy_file")) {
        return COPY_FILE;
    }
    if (string::iequals(specialCmd, "delete_file")) {
        return DELETE_FILE;
    }
    if (string::iequals(specialCmd, "rename_file")) {
        return RENAME_FILE;
    }
    if (string::iequals(specialCmd, "copy_file_if_exists")) {
        return COPY_FILE_IF_EXISTS;
    }
    return NONE;
}
 
} // namespace
 
std::string CmdSeq::Command::getSpecialDisplayNameFor(Special special) {
    switch (special) {
        case Special::NONE:
            break;
        case Special::CHANGE_DIRECTORY:
            return "Change Directory";
        case Special::COPY_FILE:
            return "Copy File";
        case Special::DELETE_FILE:
            return "Delete File";
        case Special::RENAME_FILE:
            return "Rename File";
        case Special::COPY_FILE_IF_EXISTS:
            return "Copy File If It Exists";
    }
    return "None";
}
 
std::string CmdSeq::Command::getExecutableDisplayName() const {
    if (this->special != Command::Special::NONE) {
        return getSpecialDisplayNameFor(this->special);
    }
    return this->executable;
}
 
CmdSeq::CmdSeq(const std::string& path)
        : type(Type::INVALID)
        , version(0.2f) {
    {
        FileStream reader{path};
        if (!reader) {
            return;
        }
        if (auto binStr = reader.seek_in(0).read_string(10); binStr == "Worldcraft") {
            this->type = Type::BINARY;
        } else {
            auto kvStr = reader.seek_in(0).read_string(19);
            string::toLower(kvStr);
            if (kvStr == "\"command sequences\"") {
                this->type = Type::KEYVALUES_STRATA;
            } else {
                return;
            }
        }
    }
    switch (this->type) {
        using enum Type;
        case INVALID:
            break;
        case BINARY:
            this->parseBinary(path);
            break;
        case KEYVALUES_STRATA:
            this->parseKeyValuesStrata(path);
            break;
    }
}
 
CmdSeq::CmdSeq(Type type_)
        : type(type_)
        , version(0.2f) {}
 
CmdSeq::operator bool() const {
    return this->type != Type::INVALID;
}
 
CmdSeq::Type CmdSeq::getType() const {
    return this->type;
}
 
void CmdSeq::setType(Type type_) {
    this->type = type_;
}
 
float CmdSeq::getVersion() const {
    return this->version;
}
 
void CmdSeq::setVersion(bool isV02) {
    if (isV02) {
        this->version = 0.2f;
    } else {
        this->version = 0.1f;
    }
}
 
void CmdSeq::parseBinary(const std::string& path) {
    FileStream reader{path};
    if (!reader) {
        return;
    }
 
    reader.seek_in(31).read(this->version);
 
    const auto sequenceCount = reader.read<uint32_t>();
    for (uint32_t s = 0; s < sequenceCount; s++) {
        auto& [seqName, seqCommands] = this->sequences.emplace_back();
        seqName = reader.read_string(128);
 
        const auto commandCount = reader.read<uint32_t>();
        for (uint32_t c = 0; c < commandCount; c++) {
            auto& [enabled, special, executable, arguments, ensureFileExists, pathToTheoreticallyExistingFile, useProcessWindow, waitForKeypress] = seqCommands.emplace_back();
            enabled = reader.read<int32_t>() & 0xFF;
            special = reader.read<Command::Special>();
            if (special == static_cast<Command::Special>(Command::SPECIAL_COPY_FILE_IF_EXISTS_ALIAS)) {
                special = Command::Special::COPY_FILE_IF_EXISTS;
            }
            executable = reader.read_string(260);
            arguments = reader.read_string(260);
            reader.skip_in<int32_t>();
            ensureFileExists = reader.read<int32_t>();
            pathToTheoreticallyExistingFile = reader.read_string(260);
            useProcessWindow = reader.read<int32_t>();
            if (version > 0.15f) {
                waitForKeypress = reader.read<int32_t>();
            }
        }
    }
}
 
void CmdSeq::parseKeyValuesStrata(const std::string& path) {
    this->version = 0.2f;
 
    const KV1 cmdSeq{fs::readFileText(path)};
    for (const auto& kvSequence : cmdSeq["Command Sequences"].getChildren()) {
        auto& [seqName, seqCommands] = this->sequences.emplace_back();
        seqName = kvSequence.getKey();
 
        for (const auto& kvCommand : kvSequence.getChildren()) {
            auto& [enabled, special, executable, arguments, ensureFileExists, pathToTheoreticallyExistingFile, useProcessWindow, waitForKeypress] = seqCommands.emplace_back();
            string::toBool(kvCommand["enabled"].getValue(), enabled);
            const auto specialCmd = kvCommand["special_cmd"].getValue();
            if (parser::text::isNumber(specialCmd)) {
                string::toInt(specialCmd, reinterpret_cast<std::underlying_type_t<Command::Special>&>(special));
                if (special == Command::SPECIAL_COPY_FILE_IF_EXISTS_ALIAS) {
                    special = Command::Special::COPY_FILE_IF_EXISTS;
                }
            } else {
                special = ::specialCmdFromString(specialCmd);
            }
            executable = kvCommand["run"].getValue();
            arguments = kvCommand["params"].getValue();
            string::toBool(kvCommand["ensure_check"].getValue(), ensureFileExists);
            pathToTheoreticallyExistingFile = kvCommand["ensure_fn"].getValue();
            string::toBool(kvCommand["use_process_wnd"].getValue(), useProcessWindow);
            string::toBool(kvCommand["no_wait"].getValue(), waitForKeypress);
        }
    }
}
 
std::vector<CmdSeq::Sequence>& CmdSeq::getSequences() {
    return this->sequences;
}
 
const std::vector<CmdSeq::Sequence>& CmdSeq::getSequences() const {
    return this->sequences;
}
 
std::vector<std::byte> CmdSeq::bakeBinary() const {
    std::vector<std::byte> out;
    BufferStream writer{out};
 
    writer
        .write("Worldcraft Command Sequences\r\n\x1a", 31)
        .write<float>(this->getVersion())
        .write<uint32_t>(this->getSequences().size());
 
    for (const auto& [seqName, seqCommands] : this->getSequences()) {
        writer
            .write(seqName, true, 128)
            .write<uint32_t>(seqCommands.size());
 
        for (const auto& [enabled, special, executable, arguments, ensureFileExists, pathToTheoreticallyExistingFile, useProcessWindow, waitForKeypress] : seqCommands) {
            writer
                .write<uint32_t>(enabled)
                .write(special)
                .write(executable, true, 260)
                .write(arguments, true, 260)
                .write<uint32_t>(true)
                .write<uint32_t>(ensureFileExists)
                .write(pathToTheoreticallyExistingFile, true, 260)
                .write<uint32_t>(useProcessWindow);
 
            if (this->getVersion() > 0.15f) {
                writer.write<uint32_t>(waitForKeypress);
            }
        }
    }
 
    out.resize(writer.size());
    return out;
}
 
std::vector<std::byte> CmdSeq::bakeKeyValuesStrata() const {
    KV1Writer kv;
    auto& kvFile = kv.addChild("Command Sequences");
    for (const auto& [seqName, seqCommands] : this->getSequences()) {
        auto& kvSequence = kvFile.addChild(seqName);
        for (int i = 1; i <= seqCommands.size(); i++) {
            const auto& [enabled, special, executable, arguments, ensureFileExists, pathToTheoreticallyExistingFile, useProcessWindow, waitForKeypress] = seqCommands[i - 1];
            auto& kvCommand = kvSequence.addChild(std::to_string(i));
            kvCommand["enabled"] = enabled;
            kvCommand["special_cmd"] = static_cast<int>(special);
            kvCommand["run"] = executable;
            kvCommand["params"] = arguments;
            kvCommand["ensure_check"] = ensureFileExists;
            kvCommand["ensure_fn"] = pathToTheoreticallyExistingFile;
            kvCommand["use_process_wnd"] = useProcessWindow;
            kvCommand["no_wait"] = waitForKeypress;
        }
    }
 
    const auto kvStr = kv.bake();
    std::vector<std::byte> out;
    out.resize(kvStr.length());
    std::memcpy(out.data(), kvStr.data(), kvStr.length());
    return out;
}
 
std::vector<std::byte> CmdSeq::bake() const {
    switch (this->type) {
        using enum Type;
        case INVALID:
            return {};
        case BINARY:
            return this->bakeBinary();
        case KEYVALUES_STRATA:
            return this->bakeKeyValuesStrata();
    }
    return {};
}
 
bool CmdSeq::bake(const std::string& path) const {
    FileStream writer{path};
    if (!writer) {
        return false;
    }
    writer.seek_out(0).write(this->bake());
    return true;
}