/*! * \copy *     Copyright (c)  2008-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * *  read_config.h * *  Abstract *      Class for reading parameter settings in a configure file. * *  History *      08/18/2008 Created * *****************************************************************************/ #define _CRT_SECURE_NO_WARNINGS#include <stdio.h>#include <string.h>#include "read_config.h" CReadConfig::CReadConfig()  : m_pCfgFile (NULL)  , m_strCfgFileName ("")  , m_iLines (0) {} CReadConfig::CReadConfig (const char* kpConfigFileName)  : m_pCfgFile (0)  , m_strCfgFileName (kpConfigFileName)  , m_iLines (0) {  if (strlen (kpConfigFileName) > 0) {	// confirmed_safe_unsafe_usage    m_pCfgFile = fopen (kpConfigFileName, "r");  }} CReadConfig::CReadConfig (const std::string& kpConfigFileName)  : m_pCfgFile (0)  , m_strCfgFileName (kpConfigFileName)  , m_iLines (0) {  if (kpConfigFileName.length() > 0) {    m_pCfgFile = fopen (kpConfigFileName.c_str(), "r");  }} CReadConfig::~CReadConfig() {  if (m_pCfgFile) {    fclose (m_pCfgFile);    m_pCfgFile = NULL;  }} void CReadConfig::Openf (const char* kpStrFile) {  if (kpStrFile != NULL && strlen (kpStrFile) > 0) {	// confirmed_safe_unsafe_usage    m_strCfgFileName = kpStrFile;    m_pCfgFile = fopen (kpStrFile, "r");  }} long CReadConfig::ReadLine (std::string* pVal, const int kiValSize/* = 4*/) {  if (m_pCfgFile == NULL || pVal == NULL || kiValSize <= 1)    return 0;   std::string* strTags = &pVal[0];  int nTagNum = 0, n = 0;  bool bCommentFlag = false;   while (n < kiValSize) {    pVal[n]	= "";    ++ n;  }   do {    const char kCh = (char)fgetc (m_pCfgFile);     if (kCh == '\n' || feof (m_pCfgFile)) {      ++ m_iLines;      break;    }    if (kCh == '#')      bCommentFlag = true;    if (!bCommentFlag) {      if (kCh == '\t' || kCh == ' ') {        if (nTagNum >= kiValSize)          break;        if (! (*strTags).empty()) {          ++ nTagNum;          strTags	= &pVal[nTagNum];        }      } else        *strTags += kCh;    }   } while (true);   return 1 + nTagNum;} const bool CReadConfig::EndOfFile() {  if (m_pCfgFile == NULL)    return true;  return feof (m_pCfgFile) ? true : false;} const int CReadConfig::GetLines() {  return m_iLines;} const bool CReadConfig::ExistFile() {  return (m_pCfgFile != NULL);} const std::string& CReadConfig::GetFileName() {  return m_strCfgFileName;}