bluecore/engine/Utilities/CfgParser.cpp
2008-01-16 11:45:17 +00:00

199 lines
3.2 KiB
C++

#include "CfgParser.h"
#include "StringUtilities.h"
#include <fstream>
using namespace std;
namespace BlueCore {
void CfgParser::parseFile (const std::string& filename)
{
ifstream file (filename.c_str(), ios::in);
std::string line;
while (file.good())
{
getline (file, line);
parseLine (line);
}
}
void CfgParser::parseLine (const std::string& line)
{
std::string::size_type i (line.find_first_of ('='));
if (i == std::string::npos)
return;
std::string key = trim (string (line, 0, i-1));
std::string value = trim (string (line, i+1));
_Pairs[key] = value;
}
void CfgParser::parse (const char* buffer, unsigned int length)
{
const char* ptr = buffer;
const char* end = buffer + length;
unsigned int l = 0;
while (ptr < end)
{
// find end of line
while (ptr[l] != '\n')
{
l++;
if (ptr + l >= end)
break;
}
parseLine (string(ptr, l));
ptr += l+1;
l = 0;
}
}
double CfgParser::get (const std::string& key, double defaultValue)
{
double value;
if (getDouble (key, value) == false)
return defaultValue;
else
return value;
}
bool CfgParser::getDouble (const std::string& key, double& value)
{
std::map<std::string, std::string>::const_iterator result;
result = _Pairs.find (key);
if (result != _Pairs.end())
{
value = atof (result->second.c_str());
return true;
}
else
return false;
}
int CfgParser::get (const std::string& key, int defaultValue)
{
int value;
if (getInteger (key, value) == false)
return defaultValue;
else
return value;
}
bool CfgParser::getInteger (const std::string& key, int& value)
{
std::map<std::string, std::string>::const_iterator result;
result = _Pairs.find (key);
if (result != _Pairs.end())
{
value = atoi (result->second.c_str());
return true;
}
else
return false;
}
bool CfgParser::get (const std::string& key, bool defaultValue)
{
bool value;
if (getBoolean (key, value) == false)
return defaultValue;
else
return value;
}
bool CfgParser::getBoolean (const std::string& key, bool& value)
{
std::map<std::string, std::string>::const_iterator result;
result = _Pairs.find (key);
if (result != _Pairs.end())
{
value = false;
if (result->second == "true")
value = true;
else if (result->second == "1")
value = true;
else if (result->second == "yes")
value = true;
return true;
}
else
return false;
}
std::string CfgParser::get (const std::string& key, std::string defaultValue)
{
std::string value;
if (getString (key, value) == false)
return defaultValue;
else
return value;
}
bool CfgParser::getString (const std::string& key, std::string& value)
{
std::map<std::string, std::string>::const_iterator result;
result = _Pairs.find (key);
if (result != _Pairs.end())
{
value = result->second;
return true;
}
else
return false;
}
bool CfgParser::getStrings (const std::string& key, std::vector<string>& strings)
{
std::map<std::string, std::string>::const_iterator result;
result = _Pairs.find (key);
if (result != _Pairs.end())
{
explode (result->second, strings, true, ",");
return true;
}
else
return false;
}
} // namespace BlueCore