PulseStudio/VoxelEngine
PulseStudio/VoxelEngine
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make ui_element.id access non-throwing

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This commit is contained in:
MihailRis 2025-11-12 18:43:34 +03:00
parent 371aaaa9f5
commit b5e69f1eae
1 changed files with 15 additions and 4 deletions
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19
src/logic/scripting/lua/libs/libgui.cpp
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@ -30,14 +30,17 @@ using namespace gui;
using namespace scripting;
static DocumentNode get_document_node_impl(
lua::State*, const std::string& name, const std::string& nodeName
lua::State*, const std::string& name, const std::string& nodeName, bool throwable=true
) {
auto doc = engine->getAssets()->get<UiDocument>(name);
if (doc == nullptr) {
throw std::runtime_error("document '" + name + "' not found");
if (throwable) {
throw std::runtime_error("document '" + name + "' not found");
}
return {nullptr, nullptr};
}
auto node = doc->get(nodeName);
if (node == nullptr) {
if (node == nullptr && throwable) {
throw std::runtime_error(
"document '" + name + "' has no element with id '" + nodeName + "'"
);
@ -459,6 +462,9 @@ static int p_get_content_offset(UINode* node, lua::State* L) {
return lua::pushvec(L, node->getContentOffset());
}
static int p_get_id(UINode* node, lua::State* L) {
if (node == nullptr) {
return 0;
}
return lua::pushstring(L, node->getId());
}
static int p_get_color(UINode* node, lua::State* L) {
@ -540,6 +546,10 @@ static int p_get_options(UINode* node, lua::State* L) {
return 0;
}
static bool is_node_required(std::string_view attr) {
return attr != "id";
}
static int l_gui_getattr(lua::State* L) {
if (!lua::isstring(L, 1)) {
throw std::runtime_error("document name is not a string");
@ -568,6 +578,7 @@ static int l_gui_getattr(lua::State* L) {
throw std::runtime_error("attribute name is not a string");
}
auto attr = lua::require_string(L, 3);
bool required = is_node_required(attr);
static const std::unordered_map<
std::string_view,
@ -630,7 +641,7 @@ static int l_gui_getattr(lua::State* L) {
};
auto func = getters.find(attr);
if (func != getters.end()) {
auto docnode = get_document_node_impl(L, docname, element);
auto docnode = get_document_node_impl(L, docname, element, required);
auto node = docnode.node;
return func->second(node.get(), L);
}