354 lines
9.0 KiB
C++
354 lines
9.0 KiB
C++
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/*
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* Copyright (c) 2014 Amlogic, Inc. All rights reserved.
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*
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* This source code is subject to the terms and conditions defined in the
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* file 'LICENSE' which is part of this source code package.
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*
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* Description: c++ file
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*/
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#define LOG_MODULE_TAG "TV"
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#define LOG_CLASS_TAG "ConfigFile"
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <unistd.h>
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#include "ConfigFile.h"
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#include "CTvLog.h"
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CIniFile::CIniFile()
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{
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mpFirstSection = NULL;
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mpFileName[0] = '\0';
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m_pIniFile = NULL;
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mpFirstLine = NULL;
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}
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CIniFile::~CIniFile()
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{
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FreeAllMem();
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}
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int CIniFile::LoadFromFile(const char *filename)
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{
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char lineStr[MAX_INI_FILE_LINE_LEN];
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LINE *pCurLINE = NULL;
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SECTION *pCurSection = NULL;
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FreeAllMem();
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if (filename == NULL) {
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return -1;
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}
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LOGD("LoadFromFile name = %s\n", filename);
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strncpy(mpFileName, filename, sizeof(mpFileName)-1);
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if ((m_pIniFile = fopen (mpFileName, "r")) == NULL) {
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LOGE("open %s fail: %s\n", mpFileName, strerror(errno));
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return -1;
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}
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while (fgets (lineStr, MAX_INI_FILE_LINE_LEN, m_pIniFile) != NULL) {
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allTrim(lineStr);
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LINE *pLINE = new LINE();
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pLINE->pKeyStart = pLINE->Text;
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pLINE->pKeyEnd = pLINE->Text;
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pLINE->pValueStart = pLINE->Text;
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pLINE->pValueEnd = pLINE->Text;
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pLINE->pNext = NULL;
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pLINE->type = getLineType(lineStr);
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//LOGD("getline=%s len=%d type=%d", lineStr, strlen(lineStr), pLINE->type);
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strcpy(pLINE->Text, lineStr);
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pLINE->LineLen = strlen(pLINE->Text);
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//head
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if (mpFirstLine == NULL) {
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mpFirstLine = pLINE;
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} else {
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pCurLINE->pNext = pLINE;
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}
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pCurLINE = pLINE;
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switch (pCurLINE->type) {
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case LINE_TYPE_SECTION: {
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SECTION *pSec = new SECTION();
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pSec->pLine = pLINE;
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pSec->pNext = NULL;
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if (mpFirstSection == NULL) { //first section
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mpFirstSection = pSec;
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} else {
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pCurSection->pNext = pSec;
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}
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pCurSection = pSec;
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break;
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}
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case LINE_TYPE_KEY: {
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char *pM = strchr(pCurLINE->Text, '=');
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pCurLINE->pKeyStart = pCurLINE->Text;
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pCurLINE->pKeyEnd = pM - 1;
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pCurLINE->pValueStart = pM + 1;
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pCurLINE->pValueEnd = pCurLINE->Text + pCurLINE->LineLen - 1;
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break;
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}
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case LINE_TYPE_COMMENT:
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default:
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break;
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}
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}
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fclose (m_pIniFile);
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m_pIniFile = NULL;
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return 0;
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}
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int CIniFile::SaveToFile(const char *filename)
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{
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const char *filepath = NULL;
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FILE *pFile = NULL;
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if (filename == NULL) {
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if (strlen(mpFileName) == 0) {
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LOGE("error save file is null.\n");
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return -1;
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} else {
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filepath = mpFileName;
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}
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} else {
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filepath = filename;
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}
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if ((pFile = fopen (filepath, "wb")) == NULL) {
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LOGE("%s: open %s error(%s).\n", __FUNCTION__, filepath, strerror(errno));
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return -1;
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}
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LINE *pCurLine = NULL;
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for (pCurLine = mpFirstLine; pCurLine != NULL; pCurLine = pCurLine->pNext) {
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fprintf (pFile, "%s\r\n", pCurLine->Text);
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}
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fflush(pFile);
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fsync(fileno(pFile));
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fclose(pFile);
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return 0;
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}
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int CIniFile::SetString(const char *section, const char *key, const char *value)
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{
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SECTION *pNewSec = NULL;
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LINE *pNewSecLine = NULL;
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LINE *pNewKeyLine = NULL;
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SECTION *pSec = getSection(section);
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if (pSec == NULL) {
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pNewSec = new SECTION();
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pNewSecLine = new LINE();
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pNewKeyLine = new LINE();
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pNewKeyLine->type = LINE_TYPE_KEY;
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pNewSecLine->type = LINE_TYPE_SECTION;
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sprintf(pNewSecLine->Text, "[%s]", section);
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pNewSec->pLine = pNewSecLine;
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InsertSection(pNewSec);
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int keylen = strlen(key);
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sprintf(pNewKeyLine->Text, "%s=%s", key, value);
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pNewKeyLine->LineLen = strlen(pNewKeyLine->Text);
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pNewKeyLine->pKeyStart = pNewKeyLine->Text;
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pNewKeyLine->pKeyEnd = pNewKeyLine->pKeyStart + keylen - 1;
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pNewKeyLine->pValueStart = pNewKeyLine->pKeyStart + keylen + 1;
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pNewKeyLine->pValueEnd = pNewKeyLine->Text + pNewKeyLine->LineLen - 1;
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InsertKeyLine(pNewSec, pNewKeyLine);
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} else { //find section
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LINE *pLine = getKeyLineAtSec(pSec, key);
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if (pLine == NULL) { //, not find key
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pNewKeyLine = new LINE();
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pNewKeyLine->type = LINE_TYPE_KEY;
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int keylen = strlen(key);
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sprintf(pNewKeyLine->Text, "%s=%s", key, value);
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pNewKeyLine->LineLen = strlen(pNewKeyLine->Text);
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pNewKeyLine->pKeyStart = pNewKeyLine->Text;
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pNewKeyLine->pKeyEnd = pNewKeyLine->pKeyStart + keylen - 1;
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pNewKeyLine->pValueStart = pNewKeyLine->pKeyStart + keylen + 1;
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pNewKeyLine->pValueEnd = pNewKeyLine->Text + pNewKeyLine->LineLen - 1;
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InsertKeyLine(pSec, pNewKeyLine);
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} else { //all find, change it
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sprintf(pLine->Text, "%s=%s", key, value);
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pLine->LineLen = strlen(pLine->Text);
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pLine->pValueEnd = pLine->Text + pLine->LineLen - 1;
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}
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}
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//save
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SaveToFile(NULL);
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return 0;
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}
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int CIniFile::SetInt(const char *section, const char *key, int value)
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{
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char tmp[64];
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sprintf(tmp, "%d", value);
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SetString(section, key, tmp);
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return 0;
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}
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const char *CIniFile::GetString(const char *section, const char *key, const char *def_value)
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{
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SECTION *pSec = getSection(section);
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if (pSec == NULL) return def_value;
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LINE *pLine = getKeyLineAtSec(pSec, key);
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if (pLine == NULL) return def_value;
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return pLine->pValueStart;
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}
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int CIniFile::GetInt(const char *section, const char *key, int def_value)
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{
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const char *num = GetString(section, key, NULL);
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if (num != NULL) {
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return atoi(num);
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}
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return def_value;
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}
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int CIniFile::SetFloat(const char *section, const char *key, float value)
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{
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char tmp[64];
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sprintf(tmp, "%.2f", value);
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SetString(section, key, tmp);
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return 0;
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}
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float CIniFile::GetFloat(const char *section, const char *key, float def_value)
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{
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const char *num = GetString(section, key, NULL);
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if (num != NULL) {
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return atof(num);
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}
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return def_value;
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}
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LINE_TYPE CIniFile::getLineType(char *Str)
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{
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LINE_TYPE type = LINE_TYPE_COMMENT;
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if (strchr(Str, '#') != NULL) {
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type = LINE_TYPE_COMMENT;
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} else if ( (strstr (Str, "[") != NULL) && (strstr (Str, "]") != NULL) ) { /* Is Section */
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type = LINE_TYPE_SECTION;
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} else {
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if (strstr (Str, "=") != NULL) {
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type = LINE_TYPE_KEY;
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} else {
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type = LINE_TYPE_COMMENT;
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}
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}
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return type;
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}
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void CIniFile::FreeAllMem()
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{
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//line
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LINE *pCurLine = NULL;
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LINE *pNextLine = NULL;
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for (pCurLine = mpFirstLine; pCurLine != NULL;) {
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pNextLine = pCurLine->pNext;
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delete pCurLine;
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pCurLine = pNextLine;
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}
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mpFirstLine = NULL;
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//section
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SECTION *pCurSec = NULL;
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SECTION *pNextSec = NULL;
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for (pCurSec = mpFirstSection; pCurSec != NULL;) {
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pNextSec = pCurSec->pNext;
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delete pCurSec;
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pCurSec = pNextSec;
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}
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mpFirstSection = NULL;
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}
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int CIniFile::InsertSection(SECTION *pSec)
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{
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//insert it to sections list ,as first section
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pSec->pNext = mpFirstSection;
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mpFirstSection = pSec;
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//insert it to lines list, at first
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pSec->pLine->pNext = mpFirstLine;
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mpFirstLine = pSec->pLine;
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return 0;
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}
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int CIniFile::InsertKeyLine(SECTION *pSec, LINE *line)
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{
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LINE *line1 = pSec->pLine;
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LINE *line2 = line1->pNext;
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line1->pNext = line;
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line->pNext = line2;
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return 0;
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}
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SECTION *CIniFile::getSection(const char *section)
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{
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//section
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for (SECTION *psec = mpFirstSection; psec != NULL; psec = psec->pNext) {
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if (strncmp((psec->pLine->Text) + 1, section, strlen(section)) == 0)
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return psec;
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}
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LOGE("not find section: %s.\n", section);
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return NULL;
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}
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LINE *CIniFile::getKeyLineAtSec(SECTION *pSec, const char *key)
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{
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//line
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for (LINE *pline = pSec->pLine->pNext; (pline != NULL && pline->type != LINE_TYPE_SECTION); pline = pline->pNext) {
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if (pline->type == LINE_TYPE_KEY) {
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if (strncmp(pline->Text, key, strlen(key)) == 0)
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return pline;
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}
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}
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return NULL;
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}
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void CIniFile::allTrim(char *Str)
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{
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char *pStr;
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pStr = strchr (Str, '\n');
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if (pStr != NULL) {
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*pStr = 0;
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}
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int Len = strlen(Str);
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if ( Len > 0 ) {
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if ( Str[Len - 1] == '\r' ) {
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Str[Len - 1] = '\0';
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}
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}
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pStr = Str;
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while (*pStr != '\0') {
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if (*pStr == ' ') {
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char *pTmp = pStr;
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while (*pTmp != '\0') {
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*pTmp = *(pTmp + 1);
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pTmp++;
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}
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} else {
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pStr++;
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}
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}
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return;
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}
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