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guard JSON serialization for widget state capture for cross platform

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scawful
2025-10-02 23:16:15 -04:00
parent 1f16361284
commit c348f7f91f
3 changed files with 177 additions and 26 deletions
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7
src/app/app.cmake
View File

@@ -246,14 +246,15 @@ target_sources(yaze PRIVATE
${CMAKE_SOURCE_DIR}/src/app/core/widget_state_capture.cc
${CMAKE_SOURCE_DIR}/src/app/core/widget_state_capture.h)
target_include_directories(yaze PRIVATE
${CMAKE_SOURCE_DIR}/third_party/json/include)
# ============================================================================
# Optional gRPC Support for ImGuiTestHarness
# ============================================================================
if(YAZE_WITH_GRPC)
message(STATUS "Adding gRPC ImGuiTestHarness to yaze target")
target_include_directories(yaze PRIVATE
${CMAKE_SOURCE_DIR}/third_party/json/include)
target_compile_definitions(yaze PRIVATE YAZE_WITH_JSON)
# Generate C++ code from .proto using the helper function from cmake/grpc.cmake
target_add_protobuf(yaze

1
src/app/core/core.cmake
View File

@@ -5,6 +5,7 @@ set(
app/core/project.cc
app/core/window.cc
app/core/asar_wrapper.cc
app/core/widget_state_capture.cc
)
if (WIN32 OR MINGW OR (UNIX AND NOT APPLE))

195
src/app/core/widget_state_capture.cc
View File

@@ -7,11 +7,85 @@
#else
#include "imgui/imgui.h"
#endif
#include <string>
#if defined(YAZE_WITH_JSON)
#include "nlohmann/json.hpp"
#endif
namespace yaze {
namespace core {
#if !defined(YAZE_WITH_JSON)
namespace {
std::string EscapeJsonString(const std::string& value) {
std::string escaped;
escaped.reserve(value.size() + 2);
escaped.push_back('"');
for (unsigned char c : value) {
switch (c) {
case '"':
escaped.append("\\\"");
break;
case '\\':
escaped.append("\\\\");
break;
case '\b':
escaped.append("\\b");
break;
case '\f':
escaped.append("\\f");
break;
case '\n':
escaped.append("\\n");
break;
case '\r':
escaped.append("\\r");
break;
case '\t':
escaped.append("\\t");
break;
default:
if (c <= 0x1F) {
escaped.append(absl::StrFormat("\\\\u%04X", static_cast<int>(c)));
} else {
escaped.push_back(static_cast<char>(c));
}
break;
}
}
escaped.push_back('"');
return escaped;
}
const char* BoolToJson(bool value) { return value ? "true" : "false"; }
std::string FormatFloat(float value) {
// Match typical JSON formatting without trailing zeros when possible.
return absl::StrFormat("%.4f", value);
}
std::string FormatFloatCompact(float value) {
std::string formatted = FormatFloat(value);
// Trim trailing zeros while keeping at least one decimal place.
if (formatted.find('.') != std::string::npos) {
while (!formatted.empty() && formatted.back() == '0') {
formatted.pop_back();
}
if (!formatted.empty() && formatted.back() == '.') {
formatted.push_back('0');
}
}
return formatted;
}
} // namespace
#endif // !defined(YAZE_WITH_JSON)
std::string CaptureWidgetState() {
WidgetState state;
@@ -81,48 +155,123 @@ std::string CaptureWidgetState() {
// When UI test engine / ImGui internals aren't available, provide a minimal
// payload so downstream systems still receive structured JSON. This keeps
// builds that exclude the UI test engine (e.g., Windows release) working.
return R"({"warning": "Widget state capture unavailable (UI test engine disabled)"})";
return "{\"warning\": \"Widget state capture unavailable (UI test engine disabled)\"}";
#endif
return SerializeWidgetStateToJson(state);
}
std::string SerializeWidgetStateToJson(const WidgetState& state) {
#if defined(YAZE_WITH_JSON)
nlohmann::json j;
// Basic state
j["frame_count"] = state.frame_count;
j["frame_rate"] = state.frame_rate;
// Window state
j["focused_window"] = state.focused_window;
j["focused_widget"] = state.focused_widget;
j["hovered_widget"] = state.hovered_widget;
j["visible_windows"] = state.visible_windows;
j["open_popups"] = state.open_popups;
// Navigation state
j["navigation"] = {
{"nav_id", absl::StrFormat("0x%08X", state.nav_id)},
{"nav_active", state.nav_active}
};
// Input state
{"nav_id", absl::StrFormat("0x%08X", state.nav_id)},
{"nav_active", state.nav_active}};
nlohmann::json mouse_buttons;
for (int i = 0; i < 5; i++) {
for (int i = 0; i < 5; ++i) {
mouse_buttons.push_back(state.mouse_down[i]);
}
j["input"] = {
{"mouse_buttons", mouse_buttons},
{"mouse_pos", {state.mouse_pos_x, state.mouse_pos_y}},
{"modifiers", {
{"ctrl", state.ctrl_pressed},
{"shift", state.shift_pressed},
{"alt", state.alt_pressed}
}}
};
return j.dump(2); // Pretty print with 2-space indent
{"mouse_buttons", mouse_buttons},
{"mouse_pos", {state.mouse_pos_x, state.mouse_pos_y}},
{"modifiers",
{{"ctrl", state.ctrl_pressed},
{"shift", state.shift_pressed},
{"alt", state.alt_pressed}}}};
return j.dump(2);
#else
std::string json;
json.reserve(512);
json.append("{\n");
json.append(" \"frame_count\": ");
json.append(std::to_string(state.frame_count));
json.append(",\n");
json.append(" \"frame_rate\": ");
json.append(FormatFloatCompact(state.frame_rate));
json.append(",\n");
json.append(" \"focused_window\": ");
json.append(EscapeJsonString(state.focused_window));
json.append(",\n");
json.append(" \"focused_widget\": ");
json.append(EscapeJsonString(state.focused_widget));
json.append(",\n");
json.append(" \"hovered_widget\": ");
json.append(EscapeJsonString(state.hovered_widget));
json.append(",\n");
json.append(" \"visible_windows\": [");
for (size_t i = 0; i < state.visible_windows.size(); ++i) {
if (i > 0) {
json.append(", ");
}
json.append(EscapeJsonString(state.visible_windows[i]));
}
json.append("],\n");
json.append(" \"open_popups\": [");
for (size_t i = 0; i < state.open_popups.size(); ++i) {
if (i > 0) {
json.append(", ");
}
json.append(EscapeJsonString(state.open_popups[i]));
}
json.append("],\n");
json.append(" \"navigation\": {\n");
json.append(" \"nav_id\": ");
json.append(EscapeJsonString(absl::StrFormat("0x%08X", state.nav_id)));
json.append(",\n");
json.append(" \"nav_active\": ");
json.append(BoolToJson(state.nav_active));
json.append("\n },\n");
json.append(" \"input\": {\n");
json.append(" \"mouse_buttons\": [");
for (int i = 0; i < 5; ++i) {
if (i > 0) {
json.append(", ");
}
json.append(BoolToJson(state.mouse_down[i]));
}
json.append("],\n");
json.append(" \"mouse_pos\": [");
json.append(FormatFloatCompact(state.mouse_pos_x));
json.append(", ");
json.append(FormatFloatCompact(state.mouse_pos_y));
json.append("],\n");
json.append(" \"modifiers\": {\n");
json.append(" \"ctrl\": ");
json.append(BoolToJson(state.ctrl_pressed));
json.append(",\n");
json.append(" \"shift\": ");
json.append(BoolToJson(state.shift_pressed));
json.append(",\n");
json.append(" \"alt\": ");
json.append(BoolToJson(state.alt_pressed));
json.append("\n }\n");
json.append(" }\n");
json.append("}\n");
return json;
#endif // defined(YAZE_WITH_JSON)
}
} // namespace core