120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
#include "platform.hpp"
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#include "config.hpp"
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#include <cstdlib>
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#include <filesystem>
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namespace connector {
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namespace {
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std::string environment(const char* name) {
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const char* value = std::getenv(name);
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return value ? value : "";
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}
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void append_path_candidates(std::vector<std::filesystem::path>& candidates) {
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const std::string value = environment("PATH");
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#ifdef _WIN32
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constexpr char delimiter = ';';
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constexpr const char* name = "Spine.com";
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#else
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constexpr char delimiter = ':';
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constexpr const char* name = "Spine";
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#endif
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std::size_t start = 0;
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while (start <= value.size()) {
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const auto end = value.find(delimiter, start);
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std::string item = value.substr(start, end - start);
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if (item.size() >= 2 && item.front() == '"' && item.back() == '"') item = item.substr(1, item.size() - 2);
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if (!item.empty()) {
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const auto path = to_path(item);
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if (!path.empty()) candidates.push_back(path / name);
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}
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if (end == std::string::npos) break;
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start = end + 1;
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}
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}
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} // namespace
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std::filesystem::path to_path(const std::string& value) {
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try {
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return std::filesystem::u8path(value);
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} catch (...) {
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// 输入不是合法 UTF-8 时回退到本地代码页构造。
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try {
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return std::filesystem::path(value);
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} catch (...) {
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// 本地代码页也无法转换时返回空路径，由调用方跳过。
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return std::filesystem::path();
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}
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}
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}
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std::string platform_name() {
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#ifdef _WIN32
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return "win32";
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#elif defined(__APPLE__)
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return "darwin";
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#else
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return "linux";
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#endif
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}
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bool valid_spine_executable(const std::string& path) {
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if (path.empty()) return false;
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std::error_code error;
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const auto status = std::filesystem::status(to_path(path), error);
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return !error && std::filesystem::is_regular_file(status);
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}
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std::string find_spine_executable() {
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try {
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std::vector<std::filesystem::path> candidates;
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const std::string environment_path = environment("SPINE_EXECUTABLE");
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if (!environment_path.empty()) {
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const auto path = to_path(environment_path);
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if (!path.empty()) candidates.push_back(path);
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}
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const ConnectorConfig config = load_config();
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if (!config.spine_executable.empty()) {
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const auto path = to_path(config.spine_executable);
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if (!path.empty()) candidates.push_back(path);
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}
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#ifdef _WIN32
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for (const char* variable : {"ProgramFiles", "ProgramFiles(x86)", "LOCALAPPDATA"}) {
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const std::string root = environment(variable);
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if (root.empty()) continue;
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const auto root_path = to_path(root);
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if (root_path.empty()) continue;
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candidates.push_back(root_path / "Spine" / "Spine.com");
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candidates.push_back(root_path / "Esoteric Software" / "Spine" / "Spine.com");
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candidates.push_back(root_path / "Programs" / "Spine" / "Spine.com");
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}
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#elif defined(__APPLE__)
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candidates.emplace_back("/Applications/Spine.app/Contents/MacOS/Spine");
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const std::string home = environment("HOME");
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if (!home.empty()) {
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const auto path = to_path(home);
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if (!path.empty()) candidates.push_back(path / "Applications" / "Spine.app" / "Contents" / "MacOS" / "Spine");
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}
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#else
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candidates.emplace_back("/opt/Spine/Spine.sh");
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candidates.emplace_back("/usr/local/bin/Spine");
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candidates.emplace_back("/usr/bin/Spine");
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#endif
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append_path_candidates(candidates);
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for (const auto& candidate : candidates) {
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const std::string path = candidate.u8string();
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if (valid_spine_executable(path)) return path;
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}
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return "";
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} catch (...) {
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// 任何异常都不应导致程序崩溃，返回未找到。
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return "";
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}
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}
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} // namespace connector
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