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// jsonproc.cpp
#include "jsonproc.h"
#include <map>
#include <string>
#include <sstream>
using std::string; using std::to_string;
#include <inja.hpp>
using namespace inja;
using json = nlohmann::json;
std::map<string, string> customVars;
void set_custom_var(string key, string value)
{
customVars[key] = value;
}
string get_custom_var(string key)
{
return customVars[key];
}
int main(int argc, char *argv[])
{
if (argc != 4)
FATAL_ERROR("USAGE: jsonproc <json-filepath> <template-filepath> <output-filepath>\n");
string jsonfilepath = argv[1];
string templateFilepath = argv[2];
string outputFilepath = argv[3];
Environment env;
// Add custom command callbacks.
env.add_callback("doNotModifyHeader", 0, [jsonfilepath, templateFilepath](Arguments& args) {
return "//\n// DO NOT MODIFY THIS FILE! It is auto-generated from " + jsonfilepath +" and Inja template " + templateFilepath + "\n//\n";
});
env.add_callback("contains", 2, [](Arguments& args) {
string word = args.at(0)->get<string>();
string check = args.at(1)->get<string>();
return word.find(check) != std::string::npos;
});
env.add_callback("subtract", 2, [](Arguments& args) {
int minuend = args.at(0)->get<int>();
int subtrahend = args.at(1)->get<int>();
return minuend - subtrahend;
});
env.add_callback("add", 2, [](Arguments& args) {
int x = args.at(0)->get<int>();
int y = args.at(1)->get<int>();
return x + y;
});
env.add_callback("setBit", 2, [=](Arguments& args) {
string key = args.at(0)->get<string>();
unsigned long value = std::stoul(get_custom_var(key));
value |= (1 << (args.at(1)->get<int>()));
set_custom_var(key, to_string(value));
return "";
});
env.add_callback("setVar", 2, [=](Arguments& args) {
string key = args.at(0)->get<string>();
string value = args.at(1)->get<string>();
set_custom_var(key, value);
return "";
});
env.add_callback("setVarInt", 2, [=](Arguments& args) {
string key = args.at(0)->get<string>();
string value = to_string(args.at(1)->get<int>());
set_custom_var(key, value);
return "";
});
env.add_callback("getVar", 1, [=](Arguments& args) {
string key = args.at(0)->get<string>();
return get_custom_var(key);
});
env.add_callback("getVarHex", 1, [=](Arguments& args) {
string key = args.at(0)->get<string>();
unsigned long value = std::stoul(get_custom_var(key));
std::stringstream ss;
ss << "0x" << std::hex << (value & 0xFFFFFFFFul);
string s = ss.str();
return s;
});
env.add_callback("concat", 2, [](Arguments& args) {
string first = args.at(0)->get<string>();
string second = args.at(1)->get<string>();
return first + second;
});
env.add_callback("removePrefix", 2, [](Arguments& args) {
string rawValue = args.at(0)->get<string>();
string prefix = args.at(1)->get<string>();
string::size_type i = rawValue.find(prefix);
if (i != 0)
return rawValue;
return rawValue.erase(0, prefix.length());
});
env.add_callback("removeSuffix", 2, [](Arguments& args) {
string rawValue = args.at(0)->get<string>();
string suffix = args.at(1)->get<string>();
string::size_type i = rawValue.rfind(suffix);
if (i == string::npos)
return rawValue;
return rawValue.substr(0, i);
});
// single argument is a json object
env.add_callback("isEmpty", 1, [](Arguments& args) {
return args.at(0)->empty();
});
env.add_void_callback("log", 1, [](Arguments& args) {
std::cout << args.at(0)->get<int>() << std::endl;
});
try
{
env.write_with_json_file(templateFilepath, jsonfilepath, outputFilepath);
}
catch (const std::exception& e)
{
FATAL_ERROR("JSONPROC_ERROR: %s\n", e.what());
}
return 0;
}
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