parse_sql

src/utils.cpp

@@ -0,0 +1,31 @@
+#include <string>
+#include <nlohmann/json.hpp>
+#include <fmt/core.h>
+#include <fstream>
+
+#include "utils.h"
+
+
+using json = nlohmann::json;
+
+
+SQLParserRes parse_sql(const std::string& sql) {
+    SQLParserRes res;
+    auto stdout_name = std::tmpnam(nullptr);
+    auto stderr_name = std::tmpnam(nullptr);
+    
+    auto cmd =
+        fmt::format("xmake run sql-parser \"{}\" > {} 2> {}", sql, stdout_name, stderr_name);
+    res.exit_code = system(cmd.c_str());
+
+    std::ifstream stdout_f(stdout_name);
+    json stdout_j = json::parse(stdout_f);
+    res.out = stdout_j;
+
+    std::ifstream stderr_f(stderr_name);
+
+    res.err.assign((std::istreambuf_iterator<char>(stderr_f)),
+                   (std::istreambuf_iterator<char>()));
+
+    return res;
+}

src/utils.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <nlohmann/json.hpp>
+
+struct SQLParserRes {
+    int exit_code;
+    nlohmann::json out;
+    std::string err;
+};
+
+SQLParserRes parse_sql(const std::string& sql);