mistserver/lib/util.cpp

40 lines
1.3 KiB
C++

#include "util.h"
#include <iostream>
namespace Util {
bool stringScan(const std::string & src, const std::string & pattern, std::deque<std::string> & result){
result.clear();
std::deque<size_t> positions;
size_t pos = pattern.find("%", 0);
while (pos != std::string::npos){
positions.push_back(pos);
pos = pattern.find("%", pos + 1);
}
if (positions.size() == 0){
return false;
}
size_t sourcePos = 0;
size_t patternPos = 0;
std::deque<size_t>::iterator posIter = positions.begin();
while (sourcePos != std::string::npos){
//Match first part of the string
if (pattern.substr(patternPos, *posIter - patternPos) != src.substr(sourcePos, *posIter - patternPos)){
break;
}
sourcePos += *posIter - patternPos;
std::deque<size_t>::iterator nxtIter = posIter + 1;
if (nxtIter != positions.end()){
patternPos = *posIter+2;
size_t tmpPos = src.find(pattern.substr(*posIter+2, *nxtIter - patternPos), sourcePos);
result.push_back(src.substr(sourcePos, tmpPos - sourcePos));
sourcePos = tmpPos;
}else{
result.push_back(src.substr(sourcePos));
sourcePos = std::string::npos;
}
posIter++;
}
return result.size() == positions.size();
}
}