ref: 447d7e19c975f896c7381cd701a52518a9d905e6
dir: /codec/console/enc/src/read_config.cpp/
/*! * \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 * *****************************************************************************/ #include <stdio.h> #include <string.h> #include "read_config.h" #if defined(_MSC_VER) #pragma warning(push) #pragma warning(disable:4996) #endif 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 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 (string* pVal, const int kiValSize/* = 4*/) { if (m_pCfgFile == NULL || pVal == NULL || kiValSize <= 1) return 0; 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 string& CReadConfig::GetFileName() { return m_strCfgFileName; } #if defined(_MSC_VER) #pragma warning(pop) #endif