mirror of
https://github.com/stascorp/rdpwrap.git
synced 2024-11-27 07:57:23 +00:00
432 lines
11 KiB
C++
432 lines
11 KiB
C++
/*
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Copyright 2014 Stas'M Corp.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "stdafx.h"
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#include <Windows.h>
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#include "IniFile.h"
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INI_FILE::INI_FILE(wchar_t *FilePath)
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{
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DWORD Status = 0;
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DWORD NumberOfBytesRead = 0;
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HANDLE hFile = CreateFile(FilePath, GENERIC_ALL, FILE_SHARE_READ|FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if(hFile == INVALID_HANDLE_VALUE)
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{
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return;
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}
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FileSize = GetFileSize(hFile, NULL);
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if(FileSize == INVALID_FILE_SIZE)
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{
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return;
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}
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FileRaw = new char[FileSize];
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Status = (bool)ReadFile(hFile, FileRaw, FileSize, &NumberOfBytesRead, NULL);
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if(!Status)
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{
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return;
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}
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CreateStringsMap();
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Parse();
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}
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INI_FILE::~INI_FILE()
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{
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for(DWORD i = 0; i < IniData.SectionCount; i++)
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{
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delete[] IniData.Section[i].Variables;
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}
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delete[] IniData.Section;
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delete[] FileStringsMap;
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delete FileRaw;
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}
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bool INI_FILE::CreateStringsMap()
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{
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DWORD StringsCount = 1;
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for(DWORD i = 0; i < FileSize; i++)
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{
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if(FileRaw[i] == '\r' && FileRaw[i+1] == '\n') StringsCount++;
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}
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FileStringsCount = StringsCount;
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FileStringsMap = new DWORD[StringsCount];
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FileStringsMap[0] = 0;
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StringsCount = 1;
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for(DWORD i = 0; i < FileSize; i++)
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{
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if(FileRaw[i] == '\r' && FileRaw[i+1] == '\n')
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{
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FileStringsMap[StringsCount] = i+2;
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StringsCount++;
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}
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}
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return true;
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}
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int INI_FILE::StrTrim(char* Str)
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{
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int i = 0, j;
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while((Str[i]==' ')||(Str[i]=='\t'))
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{
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i++;
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}
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if(i>0)
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{
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for(j=0; j < strlen(Str); j++)
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{
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Str[j]=Str[j+i];
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}
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Str[j]='\0';
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}
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i = strlen(Str)-1;
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while((Str[i] == ' ')||(Str[i]=='\t'))
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{
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i--;
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}
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if(i < (strlen(Str)-1))
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{
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Str[i+1] = '\0';
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}
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return 0;
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}
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DWORD INI_FILE::GetFileStringFromNum(DWORD StringNumber, char *RetString, DWORD Size)
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{
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DWORD CurrentStringNum = 0;
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DWORD EndStringPos = 0;
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DWORD StringSize = 0;
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if(StringNumber > FileStringsCount) return -1;
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for(DWORD i = FileStringsMap[StringNumber]; i < FileSize; i++)
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{
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if((FileRaw[i] == '\r' && FileRaw[i+1] == '\n') || i == (FileSize-1))
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{
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EndStringPos = i;
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break;
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}
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}
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StringSize = EndStringPos-FileStringsMap[StringNumber];
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if(Size < StringSize) return -1;
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memset(RetString, 0x00, Size);
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memcpy(RetString, &(FileRaw[FileStringsMap[StringNumber]]), StringSize);
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return StringSize;
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}
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bool INI_FILE::IsVariable(char *Str, DWORD StrSize)
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{
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bool Quotes = false;
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for(DWORD i = 0; i < StrSize; i++)
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{
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if(Str[i] == '"' || Str[i] == '\'') Quotes = !Quotes;
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if(Str[i] == '=' && !Quotes) return true;
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}
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return false;
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}
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bool INI_FILE::FillVariable(INI_SECTION_VARIABLE *Variable, char *Str, DWORD StrSize)
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{
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bool Quotes = false;
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for(DWORD i = 0; i < StrSize; i++)
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{
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if(Str[i] == '"' || Str[i] == '\'') Quotes = !Quotes;
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if(Str[i] == '=' && !Quotes)
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{
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memcpy(Variable->VariableName, Str, i);
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memcpy(Variable->VariableValue, &(Str[i+1]), StrSize-(i-1));
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StrTrim(Variable->VariableName);
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StrTrim(Variable->VariableValue);
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break;
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}
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}
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return true;
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}
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bool INI_FILE::Parse()
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{
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DWORD CurrentStringNum = 0;
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char CurrentString[512];
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DWORD CurrentStringSize = 0;
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DWORD SectionsCount = 0;
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DWORD VariablesCount = 0;
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DWORD CurrentSectionNum = -1;
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DWORD CurrentVariableNum = -1;
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// Calculate sections count
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for(DWORD CurrentStringNum = 0; CurrentStringNum < FileStringsCount; CurrentStringNum++)
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{
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CurrentStringSize = GetFileStringFromNum(CurrentStringNum, CurrentString, 512);
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if(CurrentString[0] == ';') continue; // It's a comment
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if(CurrentString[0] == '[' && CurrentString[CurrentStringSize-1] == ']') // It's section declaration
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{
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SectionsCount++;
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continue;
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}
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}
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DWORD *SectionVariableCount = new DWORD[SectionsCount];
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memset(SectionVariableCount, 0x00, sizeof(DWORD)*SectionsCount);
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for(DWORD CurrentStringNum = 0; CurrentStringNum < FileStringsCount; CurrentStringNum++)
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{
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CurrentStringSize = GetFileStringFromNum(CurrentStringNum, CurrentString, 512);
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if(CurrentString[0] == ';') continue; // It's a comment
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if(CurrentString[0] == '[' && CurrentString[CurrentStringSize-1] == ']') // It's section declaration
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{
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CurrentSectionNum++;
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continue;
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}
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if(IsVariable(CurrentString, CurrentStringSize))
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{
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VariablesCount++;
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SectionVariableCount[CurrentSectionNum]++;
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continue;
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}
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}
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IniData.SectionCount = SectionsCount;
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IniData.Section = new INI_SECTION[SectionsCount];
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memset(IniData.Section, 0x00, sizeof(PINI_SECTION)*SectionsCount);
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for(DWORD i = 0; i < SectionsCount; i++)
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{
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IniData.Section[i].VariablesCount = SectionVariableCount[i];
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IniData.Section[i].Variables = new INI_SECTION_VARIABLE[SectionVariableCount[i]];
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memset(IniData.Section[i].Variables, 0x00, sizeof(INI_SECTION_VARIABLE)*SectionVariableCount[i]);
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}
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delete[] SectionVariableCount;
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CurrentSectionNum = -1;
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CurrentVariableNum = -1;
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for(DWORD CurrentStringNum = 0; CurrentStringNum < FileStringsCount; CurrentStringNum++)
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{
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CurrentStringSize = GetFileStringFromNum(CurrentStringNum, CurrentString, 512);
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if(CurrentString[0] == ';') // It's a comment
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{
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continue;
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}
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if(CurrentString[0] == '[' && CurrentString[CurrentStringSize-1] == ']')
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{
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CurrentSectionNum++;
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CurrentVariableNum = 0;
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memcpy(IniData.Section[CurrentSectionNum].SectionName, &(CurrentString[1]), (CurrentStringSize-2));
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continue;
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}
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if(IsVariable(CurrentString, CurrentStringSize))
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{
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FillVariable(&(IniData.Section[CurrentSectionNum].Variables[CurrentVariableNum]), CurrentString, CurrentStringSize);
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CurrentVariableNum++;
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continue;
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}
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}
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return true;
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}
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bool INI_FILE::SectionExists(char *SectionName)
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{
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for(DWORD i = 0; i < IniData.SectionCount; i++)
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{
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if(memcmp(IniData.Section[i].SectionName, SectionName, strlen(SectionName)) == 0)
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{
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return true;
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}
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}
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return false;
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}
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bool INI_FILE::GetVariableInSectionPrivate(char *SectionName, char *VariableName, INI_SECTION_VARIABLE *RetVariable)
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{
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INI_SECTION *Section = NULL;
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INI_SECTION_VARIABLE *Variable = NULL;
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// Find section
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for(DWORD i = 0; i < IniData.SectionCount; i++)
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{
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if(memcmp(IniData.Section[i].SectionName, SectionName, strlen(SectionName)) == 0)
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{
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Section = &(IniData.Section[i]);
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break;
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}
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}
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if(Section == NULL)
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{
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SetLastError(318); // This region is not found
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return false;
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}
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// Find variable
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for(DWORD i = 0; i < Section->VariablesCount; i++)
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{
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if(memcmp(Section->Variables[i].VariableName, VariableName, strlen(VariableName)) == 0)
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{
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Variable = &(Section->Variables[i]);
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break;
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}
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}
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if(Variable == NULL)
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{
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SetLastError(1898); // Member of the group is not found
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return false;
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}
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memset(RetVariable, 0x00, sizeof(*RetVariable));
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memcpy(RetVariable, Variable, sizeof(*Variable));
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return true;
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}
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bool INI_FILE::GetVariableInSection(char *SectionName, char *VariableName, INI_VAR_STRING *RetVariable)
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{
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bool Status = false;
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INI_SECTION_VARIABLE Variable = {};
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Status = GetVariableInSectionPrivate(SectionName, VariableName, &Variable);
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if(!Status) return Status;
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memset(RetVariable, 0x00, sizeof(*RetVariable));
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memcpy(RetVariable->Name, Variable.VariableName, strlen(Variable.VariableName));
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memcpy(RetVariable->Value, Variable.VariableValue, strlen(Variable.VariableValue));
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return true;
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}
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bool INI_FILE::GetVariableInSection(char *SectionName, char *VariableName, INI_VAR_DWORD *RetVariable)
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{
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bool Status = false;
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INI_SECTION_VARIABLE Variable = {};
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Status = GetVariableInSectionPrivate(SectionName, VariableName, &Variable);
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if(!Status) return Status;
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memset(RetVariable, 0x00, sizeof(*RetVariable));
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memcpy(RetVariable->Name, Variable.VariableName, strlen(Variable.VariableName));
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#ifndef _WIN64
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RetVariable->ValueDec = strtol(Variable.VariableValue, NULL, 10);
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RetVariable->ValueHex = strtol(Variable.VariableValue, NULL, 16);
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#else
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RetVariable->ValueDec = _strtoi64(Variable.VariableValue, NULL, 10);
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RetVariable->ValueHex = _strtoi64(Variable.VariableValue, NULL, 16);
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#endif
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return true;
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}
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bool INI_FILE::GetVariableInSection(char *SectionName, char *VariableName, INI_VAR_BYTEARRAY *RetVariable)
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{
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bool Status = false;
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INI_SECTION_VARIABLE Variable = {};
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Status = GetVariableInSectionPrivate(SectionName, VariableName, &Variable);
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if(!Status) return Status;
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DWORD ValueLen = strlen(Variable.VariableValue);
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if((ValueLen % 2) != 0) return false;
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memset(RetVariable, 0x00, sizeof(*RetVariable));
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memcpy(RetVariable->Name, Variable.VariableName, ValueLen);
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for(DWORD i = 0; i <= ValueLen; i++)
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{
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if((i % 2) != 0) continue;
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switch(Variable.VariableValue[i])
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{
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case '0': break;
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case '1': RetVariable->Value[(i/2)] += (1 << 4); break;
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case '2': RetVariable->Value[(i/2)] += (2 << 4); break;
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case '3': RetVariable->Value[(i/2)] += (3 << 4); break;
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case '4': RetVariable->Value[(i/2)] += (4 << 4); break;
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case '5': RetVariable->Value[(i/2)] += (5 << 4); break;
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case '6': RetVariable->Value[(i/2)] += (6 << 4); break;
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case '7': RetVariable->Value[(i/2)] += (7 << 4); break;
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case '8': RetVariable->Value[(i/2)] += (8 << 4); break;
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case '9': RetVariable->Value[(i/2)] += (9 << 4); break;
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case 'A': RetVariable->Value[(i/2)] += (10 << 4); break;
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case 'B': RetVariable->Value[(i/2)] += (11 << 4); break;
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case 'C': RetVariable->Value[(i/2)] += (12 << 4); break;
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case 'D': RetVariable->Value[(i/2)] += (13 << 4); break;
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case 'E': RetVariable->Value[(i/2)] += (14 << 4); break;
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case 'F': RetVariable->Value[(i/2)] += (15 << 4); break;
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}
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switch(Variable.VariableValue[i+1])
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{
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case '0': break;
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case '1': RetVariable->Value[(i/2)] += 1; break;
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case '2': RetVariable->Value[(i/2)] += 2; break;
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case '3': RetVariable->Value[(i/2)] += 3; break;
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case '4': RetVariable->Value[(i/2)] += 4; break;
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case '5': RetVariable->Value[(i/2)] += 5; break;
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case '6': RetVariable->Value[(i/2)] += 6; break;
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case '7': RetVariable->Value[(i/2)] += 7; break;
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case '8': RetVariable->Value[(i/2)] += 8; break;
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case '9': RetVariable->Value[(i/2)] += 9; break;
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case 'A': RetVariable->Value[(i/2)] += 10; break;
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case 'B': RetVariable->Value[(i/2)] += 11; break;
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case 'C': RetVariable->Value[(i/2)] += 12; break;
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case 'D': RetVariable->Value[(i/2)] += 13; break;
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case 'E': RetVariable->Value[(i/2)] += 14; break;
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case 'F': RetVariable->Value[(i/2)] += 15; break;
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}
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}
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RetVariable->ArraySize = ValueLen/2;
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return true;
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}
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bool INI_FILE::GetVariableInSection(char *SectionName, char *VariableName, INI_VAR_BOOL *RetVariable)
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{
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bool Status = false;
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INI_SECTION_VARIABLE Variable = {};
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Status = GetVariableInSectionPrivate(SectionName, VariableName, &Variable);
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if(!Status) return Status;
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memset(RetVariable, 0x00, sizeof(*RetVariable));
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RetVariable->Value = (bool)strtol(Variable.VariableValue, NULL, 10);
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return true;
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}
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