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#ifndef XPARSER_H
#define XPARSER_H
#include "Allocator.h"
// used to parses a text file with number of keys and values
class XParser
{
public:
XParser() { m_fileSize = 0;}
~XParser() {}
void Open(const string& fileName);
void Open(FILE* pFile);
int GetLine()
{
return m_currLine;
}
void ReadNextElement();
bool IsElement(const char* szComp) const
{
return m_elementName.compare(szComp) == 0;
}
const string& GetValue(const char* szKey) const;
bool GetOptionalValue(const char* szKey, string& value) const;
int GetValueInt(const char* szKey) const
{
int num = atoi(GetValue(szKey).c_str());
return num;
}
float GetValueFloat(const char* szKey) const
{
#ifdef WIN32
float num = (float)atof(GetValue(szKey).c_str());
#else
float num = strtof(GetValue(szKey).c_str(), NULL);
#endif
return num;
}
bool GetValueBool(const char* szKey) const
{
if (GetValue(szKey) == "true") return true;
return false;
}
int GetOptionalInt(const char* szKey, int defaultValue) const;
bool EndFileReached() const
{
return m_currPos >= m_fileSize;
}
bool IsElementOpen(const char* szKey) const
{
fmap<string, int>::const_iterator iter;
iter = m_mapElement.find(szKey);
if (iter == m_mapElement.end()) return false;
return iter->second > 0;
}
void RestartAt(int currPos)
{
m_currPos = currPos;
m_mapAttrib.clear();
m_currChar = m_buffer.Get(m_currPos);
m_mapElement.clear();
}
int GetCurrPos() const
{
return m_currPos;
}
private:
void GetNextWord(string& token);
void GetNextValue(string& token);
void EatWhiteSpace();
void CheckComment();
string m_elementName;
fmap<string, string> m_mapAttrib;
fmap<string, int> m_mapElement;
// used for error reporting, each newline increases line count
int m_currLine;
Allocator<char> m_buffer;
int m_currPos;
int m_fileSize;
unsigned char m_currChar;
};
#endif // XPARSER_H
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After working in the software industry for many years, I've started my own
games company that specialises in strategy games for mobile platforms.