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#include "../libpcre++/pcre++.h"
#include <fstream>
#include <iostream>
#include <vector>
#include <map>
#include <string>
using namespace std;
using namespace pcrepp;
class failure {
private:
string message;
public:
failure(const string& msg) {
message = msg;
}
string what() {
return message;
}
};
map<string, vector<string> > read_data(const char* file) {
ifstream data(file);
if(data) {
vector<string> content;
map<string, vector<string> > hash;
string line, regex;
char zeichen;
bool is_regex=false;
Pcre find_end("\\/[gimsxADEGIMNSUX8L\\+]{0,2}$");
while (data) {
data.get(zeichen);
if(zeichen == '\n') {
if(line[0] == '/') {
regex = line;
if(find_end.search(line))
is_regex = false;
else
is_regex = true;
}
else if(is_regex) {
regex += "\n" + line;
if(find_end.search(line))
is_regex = false;
else
is_regex = true;
}
else if(line[0] == ' ') {
line.replace(0, 4, ""); // remove leading whitespaces
content.push_back(line);
}
else if(line.empty()) {
hash[regex] = content;
content.clear();
}
line = "";
}
else
line += zeichen;
}
data.close();
return hash;
}
else {
throw failure("Could not open file " + string(file));
}
}
int main(int argc, char *argv[]) {
try {
if(argc < 2)
throw failure("Usage: " + string(argv[0]) + " <datafile>");
else {
map<string, vector<string> > hash = read_data(argv[1]);
typedef map<string, vector<string> >::iterator map_iter;
typedef vector<string>::iterator vec_iter;
Pcre *reg;
string expression, flags;
for(map_iter mp = hash.begin(); mp != hash.end(); ++mp) {
string regex = mp->first;
vector<string> content = mp->second;
unsigned int pos = regex.find_last_of("/", string::npos);
if (pos == regex.size()) {
flags = "";
expression = regex.substr(1, regex.size() - 1);
}
else {
flags = regex.substr(pos + 1, regex.size());
expression = regex.substr(1, pos - 1);
}
cout << "/" << expression << "/" << flags << endl;
try {
if(flags.empty())
reg = new Pcre(expression);
else {
reg = new Pcre(expression, flags);
flags = "";
}
}
catch(Pcre::exception &e) {
cout << e.what() << endl;
continue;
}
for(vec_iter vp = content.begin(); vp != content.end(); ++vp) {
string data = *vp;
if(reg->search(data))
cout << " 1: ";
else
cout << " 0: ";
cout << data << endl;
}
cout << endl;
delete reg;
}
}
}
catch(exception &e) {
cerr << e.what() << endl;
return 1;
}
catch(failure &f) {
cerr << f.what() << endl;
return 1;
}
catch(...) {
cerr << "unknown failure" << endl;
return 1;
}
return 0;
}
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