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main.cpp
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main.cpp
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#include <iostream>
#include <vector>
#include <stdio.h>
using namespace std;
vector<string> formatKeys(vector<string> keys) {
for(int i = 0; i < keys.size(); ++i) {
string formated = "\"";
for(int j = 0; j < keys[i].length(); ++j) {
if(keys[i][j] == ' ') {
formated += '-';
} else {
formated += keys[i][j];
}
}
formated += "\"";
keys[i] = formated;
}
return keys;
}
string formatJsonObject(vector<string> keys, vector<string> values) {
string object = "\t{\n";
for(int i = 0; i < keys.size(); ++i) {
string value = "\"";
if(values.size() > i) {
value += values[i];
}
value += "\"";
object += "\t\t";
object += (keys[i] + ": ");
object += value;
if(i == keys.size()-1) {
object += "\n";
} else {
object += ",\n";
}
}
object += "\t},\n";
return object;
}
vector<string> splitLine(string line) {
int i = 0;
string element = "";
vector<string> splited;
while(i < line.length()) {
if(line[i] == ',') {
splited.push_back(element);
element = "";
} else {
element += line[i];
}
i++;
}
splited.push_back(element);
return splited;
}
static void show_usage(char* name){
cerr << "Usage: " << name << " -s SOURCE_PATH -d DESTINATION_PATH"<<endl;
}
bool initFiles(int argc, char* argv[]) {
string sourcePath = "";
string destinationPath = "";
if(argc < 3) {
return false;
}
for(int i = 0; i < argc; ++i) {
string arg = argv[i];
if(arg == "-s") {
if(i + 1 >= argc) {
return false;
}
sourcePath = argv[++i];
}
else if(arg == "-d") {
if(i + 1 >= argc) {
return false;
}
destinationPath = argv[++i];
}
}
if(sourcePath == "" || destinationPath == "") {
return false;
}
freopen(sourcePath.c_str(), "r+", stdin);
freopen(destinationPath.c_str(), "w+", stdout);
return true;
}
int main(int argc, char* argv[]) {
if(!initFiles(argc, argv)) {
show_usage(argv[0]);
return 1;
}
int i = 0;
string key = "";
string line = "";
string json = "";
vector<string> keys;
vector<string> values;
// Read headers
getline(cin, line);
keys = splitLine(line);
keys = formatKeys(keys);
json = "[\n";
// Read line per line until EOF
while(getline(cin, line)) {
// Avoid empty lines
if(line != "") {
values = splitLine(line);
json += formatJsonObject(keys, values);
}
}
// Remove last comma
json[json.size()-2] = ' ';
json += "]";
cout<<json;
return 0;
}