57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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#pragma once
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// Step 640: MQTT pub/sub boilerplate generator
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#include <string>
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#include <vector>
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struct MqttTopicSpec {
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std::string topic;
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std::string payloadType;
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int qos = 1;
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};
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struct MqttBoilerplateOutput {
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bool success = false;
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std::string headerCode;
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std::string sourceCode;
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std::vector<std::string> errors;
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};
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class MqttBoilerplateGenerator {
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public:
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static MqttBoilerplateOutput generate(const std::string& clientClass,
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const std::vector<MqttTopicSpec>& topics) {
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MqttBoilerplateOutput out;
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if (clientClass.empty()) {
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out.errors.push_back("client_class_required");
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return out;
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}
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if (topics.empty()) {
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out.errors.push_back("topics_required");
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return out;
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}
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out.success = true;
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out.headerCode = "#pragma once\n"
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"#include <string>\n"
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"#include <nlohmann/json.hpp>\n\n"
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"class " + clientClass + " {\n"
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"public:\n"
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" bool connect(const std::string& uri);\n"
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" void subscribeAll();\n"
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" void reconnect();\n"
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"};\n";
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out.sourceCode = "bool " + clientClass + "::connect(const std::string& uri){ (void)uri; return true; }\n"
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"void " + clientClass + "::reconnect(){}\n"
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"void " + clientClass + "::subscribeAll(){\n";
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for (const auto& t : topics) {
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out.sourceCode += " // topic: " + t.topic + " qos=" + std::to_string(t.qos) + " payload=" + t.payloadType + "\n";
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out.sourceCode += " // deserialize via nlohmann::json\n";
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}
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out.sourceCode += "}\n";
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return out;
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}
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};
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