53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#pragma once
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// Step 164: Update checker (stub)
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#include <string>
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#include <fstream>
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#include <sstream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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struct UpdateInfo {
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std::string version;
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std::string url;
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std::string notes;
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bool available = false;
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};
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class UpdateChecker {
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public:
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UpdateInfo check(const std::string& updateUrl) {
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UpdateInfo info;
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if (updateUrl.empty()) return info;
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if (startsWith(updateUrl, "file://")) {
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std::string path = updateUrl.substr(7);
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std::ifstream in(path);
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if (!in.is_open()) return info;
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std::ostringstream ss;
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ss << in.rdbuf();
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parseManifest(ss.str(), info);
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return info;
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}
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// Network not implemented; return stub.
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return info;
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}
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private:
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static bool startsWith(const std::string& s, const std::string& prefix) {
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return s.rfind(prefix, 0) == 0;
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}
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static void parseManifest(const std::string& text, UpdateInfo& out) {
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try {
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json j = json::parse(text);
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out.version = j.value("version", "");
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out.url = j.value("url", "");
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out.notes = j.value("notes", "");
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out.available = !out.version.empty();
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} catch (...) {
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out.available = false;
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}
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}
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};
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