PDFVTUtils.h

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// Owner: Adobe Developer Technologies
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#ifndef __PDFVTUTILS_H
#define __PDFVTUTILS_H

#include "IPMUnknown.h"
#include "WideString.h"

#include <string>
#include <sstream>
#include <queue>
#include <vector>

class PDFVTUtils
{
public:

 typedef enum {
 kUTF16LE,
 kUTF16BE,
 kUTF8BOM,
 kUTF8NOBOM,
 kUnsupportedEncoding
 } Encoding;

 template<class T>
 static std::string ToString(const T& t)
 {
 return ToTString<T, char>(t);
 }

 static void GetDataSourceKeyList(std::vector<std::string>& keyList, const WideString& filePath);

 static bool16 ReadDataSource(const WideString& filePath, std::vector<std::string>& keyList, std::queue<std::vector<std::string> >& recordList); 

 static Encoding DetectEncoding(IPMStream* stream);

private:
 static void GetLine(IPMStream* stream, std::string& line, Encoding encoding);
 
 static void GetLineUTF16(IPMStream* stream, std::string& line);

 static void GetLineUTF8(IPMStream* stream, std::string& line);

 static void StripCRsW(IPMStream* stream);

 static void StripCRs(IPMStream* stream);

 template<class T, class CharType>
 static std::basic_string<CharType> ToTString(const T& t)
 {
 std::basic_ostringstream<CharType> o;
 o << t;
 return o.str();
 }
};

#endif