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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "addoninfo.h"
#include "path.h"
#include "utils.h"
#include <fstream>
#include <iostream>
#include <string>
#include "json.h"
static std::string getFullPath(const std::string &fileName, const std::string &exename, bool debug = false) {
if (debug)
std::cout << "looking for addon '" << fileName << "'" << std::endl;
if (Path::isFile(fileName))
return fileName;
const std::string exepath = Path::getPathFromFilename(exename);
if (debug)
std::cout << "looking for addon '" << (exepath + fileName) << "'" << std::endl;
if (Path::isFile(exepath + fileName))
return exepath + fileName;
if (debug)
std::cout << "looking for addon '" << (exepath + "addons/" + fileName) << "'" << std::endl;
if (Path::isFile(exepath + "addons/" + fileName))
return exepath + "addons/" + fileName;
#ifdef FILESDIR
if (debug)
std::cout << "looking for addon '" << (FILESDIR + ("/" + fileName)) << "'" << std::endl;
if (Path::isFile(FILESDIR + ("/" + fileName)))
return FILESDIR + ("/" + fileName);
if (debug)
std::cout << "looking for addon '" << (FILESDIR + ("/addons/" + fileName)) << "'" << std::endl;
if (Path::isFile(FILESDIR + ("/addons/" + fileName)))
return FILESDIR + ("/addons/" + fileName);
#endif
return "";
}
static std::string parseAddonInfo(AddonInfo& addoninfo, const picojson::value &json, const std::string &fileName, const std::string &exename) {
const std::string& json_error = picojson::get_last_error();
if (!json_error.empty()) {
return "Loading " + fileName + " failed. " + json_error;
}
if (!json.is<picojson::object>())
return "Loading " + fileName + " failed. JSON is not an object.";
// TODO: remove/complete default value handling for missing fields
const picojson::object& obj = json.get<picojson::object>();
{
const auto it = obj.find("args");
if (it != obj.cend()) {
const auto& val = it->second;
if (!val.is<picojson::array>())
return "Loading " + fileName + " failed. 'args' must be an array.";
for (const picojson::value &v : val.get<picojson::array>()) {
if (!v.is<std::string>())
return "Loading " + fileName + " failed. 'args' entry is not a string.";
addoninfo.args += " " + v.get<std::string>();
}
}
}
{
const auto it = obj.find("ctu");
if (it != obj.cend()) {
const auto& val = it->second;
// ctu is specified in the config file
if (!val.is<bool>())
return "Loading " + fileName + " failed. 'ctu' must be a boolean.";
addoninfo.ctu = val.get<bool>();
}
else {
addoninfo.ctu = false;
}
}
{
const auto it = obj.find("python");
if (it != obj.cend()) {
const auto& val = it->second;
// Python was defined in the config file
if (!val.is<std::string>()) {
return "Loading " + fileName +" failed. 'python' must be a string.";
}
addoninfo.python = val.get<std::string>();
}
else {
addoninfo.python = "";
}
}
{
const auto it = obj.find("executable");
if (it != obj.cend()) {
const auto& val = it->second;
if (!val.is<std::string>())
return "Loading " + fileName + " failed. 'executable' must be a string.";
const std::string e = val.get<std::string>();
addoninfo.executable = getFullPath(e, fileName);
if (addoninfo.executable.empty())
addoninfo.executable = e;
return ""; // <- do not load both "executable" and "script".
}
}
const auto it = obj.find("script");
if (it == obj.cend())
return "Loading " + fileName + " failed. 'script' is missing.";
const auto& val = it->second;
if (!val.is<std::string>())
return "Loading " + fileName + " failed. 'script' must be a string.";
return addoninfo.getAddonInfo(val.get<std::string>(), exename);
}
std::string AddonInfo::getAddonInfo(const std::string &fileName, const std::string &exename, bool debug) {
if (fileName[0] == '{') {
picojson::value json;
const std::string err = picojson::parse(json, fileName);
(void)err; // TODO: report
return parseAddonInfo(*this, json, fileName, exename);
}
if (fileName.find('.') == std::string::npos)
return getAddonInfo(fileName + ".py", exename, debug);
if (endsWith(fileName, ".py")) {
scriptFile = Path::fromNativeSeparators(getFullPath(fileName, exename, debug));
if (scriptFile.empty())
return "Did not find addon " + fileName;
std::string::size_type pos1 = scriptFile.rfind('/');
if (pos1 == std::string::npos)
pos1 = 0;
else
pos1++;
std::string::size_type pos2 = scriptFile.rfind('.');
if (pos2 < pos1)
pos2 = std::string::npos;
name = scriptFile.substr(pos1, pos2 - pos1);
runScript = getFullPath("runaddon.py", exename);
return "";
}
if (!endsWith(fileName, ".json"))
return "Failed to open addon " + fileName;
std::ifstream fin(fileName);
if (!fin.is_open())
return "Failed to open " + fileName;
if (name.empty()) {
name = Path::fromNativeSeparators(fileName);
if (name.find('/') != std::string::npos)
name = name.substr(name.rfind('/') + 1);
}
picojson::value json;
fin >> json;
return parseAddonInfo(*this, json, fileName, exename);
}
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