wip: settings in effect
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parent
8e07b1efdd
commit
1ae324b68a
8 changed files with 277 additions and 158 deletions
242
src/settings.cpp
242
src/settings.cpp
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@ -3,100 +3,48 @@
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namespace ini {
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UserSettings::UserSettings(char* path) {
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wchar_t* settingsPath = nullptr;
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wchar_t settingsFile[] = L"\\settings.ini";
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uint32_t settingsFileLen = (sizeof(settingsFile) / sizeof(wchar_t)) - 1;
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wchar_t maxPathBypass[] = L"\\\\?\\";
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log_wdebugcpp(L"Bypass size: " + std::to_wstring((sizeof(maxPathBypass)/sizeof(maxPathBypass[0]))));
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wchar_t* utf8toUtf16(const char* str) {
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if(!str || str[0] == '\0') return nullptr;
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int sizeNeeded = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
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wchar_t* utf16 = (wchar_t*)calloc(sizeNeeded, 1);
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MultiByteToWideChar(CP_UTF8, 0, str, -1, utf16, sizeNeeded);
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return utf16;
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}
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//Executable dir
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settingsPath = (wchar_t*)calloc(UNICODE_STRING_MAX_CHARS, sizeof(wchar_t));
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uint32_t exePathLength = GetModuleFileNameW(
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NULL,
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settingsPath,
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UNICODE_STRING_MAX_CHARS
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);
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//reverse wcsstr
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while(exePathLength >= 0) {
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if(settingsPath[exePathLength] == '\\') {
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memset(settingsPath + exePathLength,
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0,
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(UNICODE_STRING_MAX_CHARS - exePathLength) * sizeof(wchar_t));
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break;
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} else exePathLength--;
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}
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log_wdebugcpp(L"Exe folder: " + std::wstring(settingsPath));
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UserSettings::UserSettings(char* textContents) {
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//Parsing values
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bool isCRLF = false;
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char *curLine = textContents;
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char *separator = nullptr, *key = nullptr, *value = nullptr;
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while(curLine) {
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char* nextLine = strchr(curLine, '\n');
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if(nextLine == curLine + 1 || nextLine == curLine + 2)
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goto nextIteration;
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if (nextLine && (isCRLF || *(nextLine - 1) == '\r')) {
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isCRLF = true;
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*(nextLine - 1) = '\0';
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} else if (nextLine) *nextLine = '\0'; // temporarily terminate the current line
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log_debugcpp("curLine: " + std::string(curLine) + " ");
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HANDLE settingsHandle = nullptr;
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if((UNICODE_STRING_MAX_CHARS - exePathLength) > (settingsFileLen + 1)) {
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memcpy(settingsPath + exePathLength, settingsFile, sizeof(wchar_t) * settingsFileLen);
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settingsHandle = CreateFile2(
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settingsPath,
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GENERIC_READ | GENERIC_WRITE,
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0,
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OPEN_ALWAYS,
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NULL);
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if(settingsHandle != INVALID_HANDLE_VALUE) { log_debugcpp("Filecreated!"); }
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else { CloseHandle(settingsHandle); settingsHandle = nullptr; return; }
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}
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separator = strchr(curLine, '=');
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if(!separator)
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goto nextIteration;
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*separator = '\0';
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key = trimAndAllocate(curLine);
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value = trimAndAllocate(separator + 1);
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values.try_emplace(key, value);
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log_debugcpp("ini Map size: " + std::to_string(values.size()));
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*separator = '=';
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//Calculating file size and reading file
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if(settingsHandle) {
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uint64_t fileSize;
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LARGE_INTEGER fileSizeStruct;
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if(!GetFileSizeEx(settingsHandle, &fileSizeStruct)) return;
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fileSize = fileSizeStruct.QuadPart;
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uint32_t bytesRead = 0;
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textContentsSize = fileSize + 1;
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textContents = (char*)calloc(textContentsSize, sizeof(char));
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if (ReadFile(settingsHandle, textContents, fileSize,
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(LPDWORD)&bytesRead, NULL) != TRUE) {
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free(textContents);
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return;
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nextIteration:
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if (nextLine) { // then restore newline-char, just to be tidy
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if (isCRLF)
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*(nextLine - 1) = '\r';
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else *nextLine = '\n';
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}
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//textContents.assign(tempTextContents);
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//free(tempTextContents);
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//Parsing values
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bool isCRLF = false;
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char *curLine = textContents;
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char *separator = nullptr, *key = nullptr, *value = nullptr;
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while(curLine) {
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char* nextLine = strchr(curLine, '\n');
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if(nextLine == curLine + 1 || nextLine == curLine + 2) goto nextIteration;
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if (nextLine && (isCRLF || *(nextLine - 1) == '\r')) {
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isCRLF = true;
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*(nextLine - 1) = '\0';
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} else if (nextLine) *nextLine = '\0'; // temporarily terminate the current line
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log_debugcpp("curLine: " + std::string(curLine) + " ");
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separator = strchr(curLine, '=');
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if(!separator) goto nextIteration;
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*separator = '\0';
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key = trimAndAllocate(curLine);
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value = trimAndAllocate(separator + 1);
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values.try_emplace(key, value);
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log_debugcpp("ini Map size: " + std::to_string(values.size()));
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*separator = '=';
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nextIteration:
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if (nextLine) { // then restore newline-char, just to be tidy
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if (isCRLF)
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*(nextLine - 1) = '\r';
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else *nextLine = '\n';
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}
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curLine = nextLine ? (nextLine + 1) : NULL;
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}
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/*
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* for(const std::pair<char[], int> keyVal : defaultValues) {
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* if (textContents.find(keyVal.first) {
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* if (keyVal.
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* }
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* }
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*/
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curLine = nextLine ? (nextLine + 1) : NULL;
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}
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free(textContents);
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}
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//todo: buffer overflow. poc
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@ -139,70 +87,68 @@ namespace ini {
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return;
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}
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newKey = (char*)calloc(keySize, sizeof(char));
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newKey = (char*)calloc(keySize, sizeof(char));
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values.insert(std::make_pair(newKey, value ? pos : neg));
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return;
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}
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//AppData path
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/*
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* wchar_t folderPath[] = L"\\mixerq";
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*
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* wchar_t* roamingPath = nullptr;
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* if(SHGetKnownFolderPath(
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* FOLDERID_RoamingAppData,
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* 0,
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* NULL,
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* &roamingPath)
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* == S_OK) {
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* uint32_t pathLen = 0;
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* wchar_t currentChar = roamingPath[pathLen];
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* while(currentChar != '\0') {
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* pathLen++;
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* currentChar = roamingPath[pathLen];
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* }
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*
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* uint32_t maxPathBypassLen = (sizeof(maxPathBypass)/ sizeof(wchar_t)) - 1;
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* uint32_t folderPathLen = (sizeof(folderPath) / sizeof(wchar_t)) - 1;
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* settingsPath = (wchar_t*)calloc(pathLen +
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* maxPathBypassLen +
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* folderPathLen +
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* settingsFileLen,
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* sizeof(wchar_t));
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* memcpy(settingsPath, maxPathBypass, sizeof(wchar_t) * maxPathBypassLen);
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* memcpy(settingsPath + (maxPathBypassLen), roamingPath, sizeof(wchar_t) * pathLen);
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* CoTaskMemFree(roamingPath);
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* memcpy(settingsPath + (maxPathBypassLen + pathLen),
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* folderPath, sizeof(wchar_t) * folderPathLen);
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* log_wdebugcpp(L"Settings folder path: " + std::wstring(settingsPath));
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*
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* if(CreateDirectoryW(settingsPath, NULL) || GetLastError() == ERROR_ALREADY_EXISTS) {
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* memcpy(settingsPath + (maxPathBypassLen + pathLen + folderPathLen),
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* settingsFile, sizeof(wchar_t) * settingsFileLen);
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*
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* HANDLE settingsHandle = CreateFile2(
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* settingsPath,
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* GENERIC_READ | GENERIC_WRITE,
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* 0,
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* OPEN_ALWAYS,
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* NULL);
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* if(settingsHandle != INVALID_HANDLE_VALUE) log_debugcpp("Filecreated!");
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*
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* }
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* //End AppData
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*/
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UserSettings::~UserSettings() {
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//if(textContents) free(textContents);
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for(std::pair<char*, char*> entry : values) {
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free(entry.first);
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if (!(entry.second == pos || entry.second == neg))
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free(entry.second);
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}
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}
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UserSettings::~UserSettings() {
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if(textContents) free(textContents);
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for(std::pair<char*, char*> entry : values) {
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free(entry.first);
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free(entry.second);
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UserSettings* UserSettings::createSettings(const char* path, bool create) {
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if(!path) return nullptr;
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wchar_t* utf16Path = utf8toUtf16(path);
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if(!utf16Path) return nullptr;
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#define releaseBeforeReturn() do { \
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CloseHandle(settingsHandle); \
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settingsHandle = nullptr; \
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free(utf16Path); \
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} while(0)
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char* textContents;
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HANDLE settingsHandle = nullptr;
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settingsHandle = CreateFile2(
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utf16Path,
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GENERIC_READ | GENERIC_WRITE,
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0,
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(create ? OPEN_ALWAYS : OPEN_EXISTING),
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NULL);
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if(settingsHandle == INVALID_HANDLE_VALUE) {
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releaseBeforeReturn();
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return nullptr;
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}
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//Calculating file size and reading file
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uint64_t fileSize;
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LARGE_INTEGER fileSizeStruct;
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if(!GetFileSizeEx(settingsHandle, &fileSizeStruct)) {
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releaseBeforeReturn();
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return nullptr;
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}
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fileSize = fileSizeStruct.QuadPart;
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uint32_t bytesRead = 0;
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uint64_t textContentsSize = fileSize + 1;
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textContents = (char*)calloc(textContentsSize, sizeof(char));
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if (ReadFile(settingsHandle, textContents, fileSize,
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(LPDWORD)&bytesRead, NULL) != TRUE) {
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releaseBeforeReturn();
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return nullptr;
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}
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releaseBeforeReturn();
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return new UserSettings(textContents);
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//textContents.assign(tempTextContents);
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//free(tempTextContents);
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#undef releaseBeforeReturn
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}
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}
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}
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