Src/DasherCore/XMLUtil.h

   1
   2 // Some very simple XML utility functions that just function on STL strings.
   3 //
   4 // Good for recursively splitting up the job of reinstatiating objects
   5 // that have been serialized to an XML file.
   6 //
   7 // Copyright 2005 by Keith Vertanen
   8
   9 #ifndef __XML_UTIL_H__
  10 #define __XML_UTIL_H__
  11
  12 #include <string>
  13 #include <vector>
  14 #include <stdio.h>
  15 #include "FileLogger.h"
  16
  17 extern CFileLogger* gLogger;
  18
  19 using namespace std;
  20
  21 #ifndef VECTOR_STRING
  22 typedef vector<string> VECTOR_STRING;
  23 #endif
  24 #ifndef VECTOR_STRING_ITER
  25 typedef vector<string>::iterator VECTOR_STRING_ITER;
  26 #endif
  27
  28 // We want to be able grab all the name/value pairs in XML like:
  29 //  <Params>
  30 //      <Color>red</Color>
  31 //      <Size>10</Size>
  32 //  </Params>
  33 struct NameValuePair
  34 {
  35   string  strName;
  36   string  strValue;
  37 };
  38
  39 typedef vector<NameValuePair>               VECTOR_NAME_VALUE_PAIR;
  40 typedef vector<NameValuePair>::iterator     VECTOR_NAME_VALUE_PAIR_ITER;
  41
  42 const int XML_UTIL_READ_BUFFER_SIZE     = 4096;
  43 const int XML_UTIL_DEFAULT_VECTOR_SIZE  = 128;
  44
  45 class XMLUtil
  46 {
  47 public:
  48   XMLUtil();
  49
  50   static string                               LoadFile(const string& filename, unsigned int iSizeHint = 128000);
  51   static string                               GetElementString(const string& strTag, const string& strXML, bool bStripWhiteSpace = true);
  52   static int                                          GetElementInt(const string& strTag, const string& strXML, bool* pFound = NULL);
  53   static int64                      GetElementLongLong(const string& strTag, const string& strXML, bool* pFound = NULL);
  54   static float                                GetElementFloat(const string& strTag, const string& strXML, bool* pFound = NULL);
  55   static VECTOR_STRING            GetElementStrings(const string& strTag, const string& strXML, bool bStripWhiteSpace = true);
  56   static VECTOR_NAME_VALUE_PAIR   GetNameValuePairs(const string& strXML, bool bStripWhiteSpace = true);
  57
  58   static bool                                   IsWhiteSpace(char cLetter);
  59   static string                         StripWhiteSpace(const string& strText);
  60   static bool                                   IsDigit(char cLetter);
  61
  62 };
  63
  64 #endif
  65