46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#pragma once
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#include <array>
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#include <memory>
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#include <string>
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#include <fstream>
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#include <sstream>
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class SystemHelper
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{
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public:
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static std::string get_command_output(const char *cmd)
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{
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std::array<char, 128> buffer;
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std::string result;
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std::unique_ptr<FILE, int (*)(FILE *)> pipe(popen(cmd, "r"), pclose);
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if (!pipe)
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{
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throw std::runtime_error("popen() failed!");
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}
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// Read the output a chunk at a time until the stream ends
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while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr)
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{
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result += buffer.data();
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}
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return result;
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}
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// Read an entire file into a string. Throws std::runtime_error on failure.
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static std::string read_file_to_string(const std::string &path)
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{
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std::ifstream in(path, std::ios::in | std::ios::binary);
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if (!in)
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{
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throw std::runtime_error("Failed to open file: " + path);
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}
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std::ostringstream ss;
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ss << in.rdbuf();
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return ss.str();
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}
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};
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