From: "Morpheus" <hall AT silo DOT csci DOT unt DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: make/linking trouble
Date: Sun, 7 Nov 1999 19:35:49 -0600
Organization: Zion
Lines: 123
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References: <80592o$mnp AT hermes DOT acs DOT unt DOT edu>
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*IniUtils.h*

#ifndef __INI_FILE__
#define __INI_FILE__

class IniFile {
private:
 char* file;
 char* activeSecName;
 char** activeSec;
public:
 IniFile();
 IniFile(char* file);
 ~IniFile();
 void setFile(char* file);
 void setActiveSection(char* secName);
 char* getValue(char* keyword);
 char* getActiveSectionName();
};

#endif __INI_FILE__

*IniUtils.cpp*

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fstream.h>
#include <iostream.h>
#include "StringUtils.h"

IniFile::IniFile() {
 file = NULL;
 activeSecName = NULL;
 activeSec = NULL;
}

IniFile::IniFile(const char* file) {
 setFile(file);
 activeSecName = NULL;
 activeSec = NULL;
}

IniFile::~IniFile() {
 freeString(file);
 freeString(activeSecName);
 freeStringArray(activeSec);
}

void IniFile::setFile(const char* file) {
 this.file = strdup(file);
}

void IniFile::setActiveSection(const char* secName) {
 char* searchSection = new char[strlen(secName) + 3];
 char* line = new char[MAX_CHARS + 1];
 activeSec = NULL;
 int numLines = 0;

 ifstream inifile = new ifstream(file);
 if(!inifile) {
  return NULL;
 }

 sprintf (searchSection, "[%s]", secName);

 // look for specified section
 do {
  inifile.getline(line, MAX_CHARS);
 } while(!inifile.eof() && !inifile.fail() && strcasecmp(line,
searchSection) != 0);

 while (1) {
  inifile.getline(line, MAX_CHARS);
  if (inifile.eof() || inifile.fail() || line[0] == '[') {
   break;
  }
  numLines++;
  activeSec = newStringArray(numLines + 1);
  // (char **) realloc (activeSec, (numLines+1) * sizeof (char *));
  activeSection[numLines++] = strdup(line);
  // numLines++;
 }

 // add the NULL at the end of the dynamic array
 // activeSection = (char **)realloc(activeSection, (numLines+1) * sizeof
(char *));
 // activeSection[numLines] = NULL;

 inifile.close();
 freeStringArray(searchSection);
}

char* IniFile::getValue(char* keyword) {
 char* value = NULL;
 if((activeSec == NULL) || (keyword == NULL)) {
  return NULL;
 }

 char *pName, *pValue;

 // look for keyword in section
 while(*activeSec) {
 pName = *activeSec;
 pValue = strchr(*section++, '=');
 if (pValue == NULL) {
  continue;
 }

 if (strncasecmp(pName, keyword, strlen(keyword)) == 0) {
  strcpy(value, pValue + 1);
  return value;
 }

  // checked each line, found no match; so save default
 return NULL;
}

char* IniFile::getActiveSectionName() {
 return strdup(activeSecName);
}