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79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
#include <spdlog/spdlog.h>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <iomanip>
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#include "pci_ids.h"
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std::map<uint32_t /*vendor id*/, std::pair<std::string /*vendor desc*/, std::map<uint32_t /*device id*/, device>>> pci_ids;
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static std::istream& get_uncommented_line(std::istream& is, std::string &line)
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{
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while (std::getline(is, line)) {
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auto c = line.find("#");
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if (c!=std::string::npos)
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line.erase(c, std::string::npos);
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if (line.size())
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break;
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}
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return is;
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}
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void parse_pciids()
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{
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std::ifstream file;
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file.open("/usr/share/hwdata/pci.ids");
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if (file.fail()){
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file.open("/usr/share/misc/pci.ids");
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if (file.fail())
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SPDLOG_ERROR("can't find file pci.ids");
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}
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std::string line;
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size_t tabs = 0;
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uint32_t ven_id = 0, dev_id = 0, subsys_ven_id = 0, subsys_dev_id = 0;
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std::string desc;
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std::stringstream ss;
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while(get_uncommented_line(file, line))
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{
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tabs = line.find_first_not_of("\t");
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ss.str(""); ss.clear();
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ss << line;
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switch(tabs)
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{
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case 0:
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ss >> std::hex >> ven_id;
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if (ven_id == 0xFFFF)
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return;
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std::getline(ss, desc);
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pci_ids[ven_id].first = desc;
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break;
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case 1:
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{
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ss >> std::hex >> dev_id;
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std::getline(ss, desc); //TODO trim whitespace
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auto& dev = pci_ids[ven_id].second[dev_id];
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dev.desc = desc;
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}
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break;
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case 2:
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{
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ss >> std::hex >> subsys_ven_id;
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ss >> subsys_dev_id;
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std::getline(ss, desc);
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auto& dev = pci_ids[ven_id].second[dev_id];
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dev.subsys.push_back({subsys_ven_id, subsys_dev_id, desc});
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}
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break;
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default:
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break;
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}
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}
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}
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