WINCE下讀寫INI配置檔案
阿新 • • 發佈：2019-02-02
// // Read and write initialization files under wince, support ANSI and UNICODE. // Use refer to Microsoft's initialization file format and API specification. // Email: fanghtao # foxmail.com // #ifndef __PROFILE_H__ #define __PROFILE_H__ #include <windows.h> #ifdef __cplusplus extern "C" { #endif #define DIM(_x) ( sizeof(_x) / sizeof(_x[0]) ) UINT WINAPI GetPrivateProfileIntA2( LPCSTR lpAppName, LPCSTR lpKeyName, INT nDefault, LPCSTR lpFileName ); UINT WINAPI GetPrivateProfileIntW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, INT nDefault, LPCWSTR lpFileName ); #ifdef UNICODE #define GetPrivateProfileInt GetPrivateProfileIntW2 #else #define GetPrivateProfileInt GetPrivateProfileIntA2 #endif // !UNICODE DWORD WINAPI GetPrivateProfileStringA2( LPCSTR lpAppName, LPCSTR lpKeyName, LPCSTR lpDefault, LPSTR lpReturnedString, DWORD nSize, LPCSTR lpFileName ); DWORD WINAPI GetPrivateProfileStringW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, LPCWSTR lpDefault, LPWSTR lpReturnedString, DWORD nSize, LPCWSTR lpFileName ); #ifdef UNICODE #define GetPrivateProfileString GetPrivateProfileStringW2 #else #define GetPrivateProfileString GetPrivateProfileStringA2 #endif // !UNICODE BOOL WINAPI WritePrivateProfileStringA2( LPCSTR lpAppName, LPCSTR lpKeyName, LPCSTR lpString, LPCSTR lpFileName ); BOOL WINAPI WritePrivateProfileStringW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, LPCWSTR lpString, LPCWSTR lpFileName ); #ifdef UNICODE #define WritePrivateProfileString WritePrivateProfileStringW2 #else #define WritePrivateProfileString WritePrivateProfileStringA2 #endif // !UNICODE #ifdef __cplusplus }; #endif #endif // __PROFILE_H__
// // Read and write initialization files under wince, support ANSI and UNICODE. // Use refer to Microsoft's initialization file format and API specification. // Email: fanghtao # foxmail.com // #include "profile.h" enum _encode { ANSI = 0, UNCODE, }; class CProfile { private: FILE *fp; long file_encode; long param_encode; char szreadbuf[1024]; char szparambuf[1024]; void *pfilename; void *psection; void *pkey; void *pstring; void *pstrbuf; long str_size; long str_len; int Read(void *szbuf, int bufsize); int Write(int section, int key, int end); public: int Create(const void *filename, int encode); int Open(const void *filename, int encode); int Close(); int Truncate(const void *filename, int filesize); int SetParam(void *section, void *key, void *string); int ReadString(void *szbuf, int bufsize); int WriteString(); }; ////////////////////////////////////////////////////////////////////////// int CProfile::Create(const void *filename, int encode) { if (!filename) return -1; if (encode == ANSI) fp = fopen((PCSTR)filename, "wb"); else // UNICODE fp = _wfopen((PCWSTR)filename, L"wb"); if (!fp) return -1; pfilename = (void*)filename; param_encode = encode; file_encode = ANSI; return 0; } int CProfile::Open(const void *filename, int encode) { unsigned char szcode[4] = {0}; if (!filename) return -1; if (encode == ANSI) fp = fopen((PCSTR)filename, "rb+"); else // UNICODE fp = _wfopen((PCWSTR)filename, L"rb+"); if (!fp) return -1; fread(szcode, 1, sizeof(szcode), fp); if (szcode[0] == 0xff && szcode[1] == 0xfe) { fseek(fp, 2, SEEK_SET); file_encode = UNCODE; } else { fseek(fp, 0, SEEK_SET); file_encode = ANSI; } pfilename = (void*)filename; param_encode = encode; return 0; } int CProfile::Close() { if (fp) { fclose(fp); fp = NULL; } return 0; } int CProfile::Truncate(const void *filename, int filesize) { TCHAR szPath[MAX_PATH]; HANDLE hFile = INVALID_HANDLE_VALUE; if (param_encode == ANSI) MultiByteToWideChar(CP_ACP, 0, (LPCSTR)filename, -1, szPath, DIM(szPath)); else // UNICODE wcscpy(szPath, (LPCWSTR)filename); Close(); hFile = CreateFile(szPath, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (INVALID_HANDLE_VALUE == hFile) return -1; SetFilePointer(hFile, filesize, NULL, FILE_BEGIN); SetEndOfFile(hFile); CloseHandle(hFile); return 0; } int CProfile::SetParam(void *section, void *key, void *string) { if (param_encode == file_encode) { psection = section; pkey = key; pstring = string; if (!pstring) { pstrbuf = szparambuf; if (param_encode == ANSI) str_size = sizeof(szparambuf); else str_size = sizeof(szparambuf)/sizeof(TCHAR); } } else if (param_encode == ANSI) // ANSI->UNICODE { TCHAR *pBuf = (TCHAR*)szparambuf; int size = sizeof(szparambuf) / sizeof(TCHAR); int len = 0; if (section) { len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)section, -1, pBuf, size); psection = pBuf; pBuf += len; size -= len; } else psection = NULL; if (key) { len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)key, -1, pBuf, size); pkey = pBuf; pBuf += len; size -= len; } else pkey = NULL; if (string) { len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)string, -1, pBuf, size); pstring = pBuf; pBuf += len; size -= len; } else pstring = NULL; if (!pstring) { pstrbuf = pBuf; str_size = size; } } else // UNICODE->ANSI { char *pBuf = szparambuf; int size = sizeof(szparambuf); int len = 0; if (section) { len = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)section, -1, pBuf, size, NULL, NULL); psection = pBuf; pBuf += len; size -= len; } else psection = NULL; if (key) { len = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)key, -1, pBuf, size, NULL, NULL); pkey = pBuf; pBuf += len; size -= len; } else pkey = NULL; if (string) { len = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)string, -1, pBuf, size, NULL, NULL); pstring = pBuf; pBuf += len; size -= len; } else pstring = NULL; if (!pstring) { pstrbuf = pBuf; str_size = size; } } return 0; } int CProfile::Read(void *szbuf, int bufsize) { if (str_len == 0) return 0; if (param_encode == file_encode) { if (param_encode == ANSI) memcpy(szbuf, pstrbuf, sizeof(char)*str_size); else // UNICODE memcpy(szbuf, pstrbuf, sizeof(TCHAR)*str_size); } else if (param_encode == ANSI) // UNICODE->ANSI { WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)pstrbuf, str_size, (LPSTR)szbuf, bufsize, NULL, NULL); } else // ANSI->UNICODE { MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pstrbuf, str_size, (LPWSTR)szbuf, bufsize); } return str_len; } int CProfile::ReadString(void *szbuf, int bufsize) { int match = 0; int size = (bufsize < str_size) ? bufsize : str_size; int len = 0; if (!fp || !pstrbuf) return 0; str_size = 0; str_len = 0; if (file_encode == ANSI) { char *pstr = (char*)pstrbuf; char *pbuf = NULL; char *pos = NULL; while (!feof(fp)) { pbuf = fgets(szreadbuf, sizeof(szreadbuf), fp); if (!pbuf) break; if (pbuf[0] == ';') continue; // comment line else if (pbuf[0] == '[') { if (pos = strchr(++pbuf, ']')) // section line { if (match) break; pos[0] = '\0'; if (!psection) // return all section names { len = (int)(pos - pbuf) + 1; len = (len < (size-2)) ? len : (size-2); strncpy(pstr, pbuf, len); str_len += len; pstr += len; size -= len; str_size = str_len + 1; pstr[0] = '\0'; if (size == 2) { str_size = str_len + 2; pstr[1] = '\0'; break; } } else if (0 == strcmp(pbuf, (char*)psection)) // match section { match = 1; } } } else if (match) // key lines of match section { if (pos = strchr(pbuf, '=')) { while (pbuf[0] == ' ') pbuf++; len = (int)(pos - pbuf); while (len > 0 && pbuf[len-1] == ' ') len--; pbuf[len] = '\0'; if (!pkey) // return all key names of match section { len = len + 1; len = (len < (size-2)) ? len : (size-2); strncpy(pstr, pbuf, len); str_len += len; pstr += len; size -= len; str_size = str_len + 1; pstr[0] = '\0'; if (size == 2) { str_size = str_len + 2; pstr[1] = '\0'; break; } } else if (0 == strcmp(pbuf, (char*)pkey)) // match key { pos++; while (pos[0] == ' ') pos++; len = (int)strlen(pos); while ( (len > 0) && (pos[len-1] == ' ' || pos[len-1] == '\r' || pos[len-1] == '\n') ) len--; len = (len < (size-1)) ? len : (size-1); strncpy(pstr, pos, len); pstr[len] = '\0'; str_size = len + 1; str_len = len; break; } } } } } else // UNICODE { TCHAR *pstr = (TCHAR*)pstrbuf; TCHAR *pbuf = NULL; TCHAR *pos = NULL; while (!feof(fp)) { pbuf = fgetws((TCHAR*)szreadbuf, sizeof(szreadbuf)/sizeof(TCHAR), fp); if (!pbuf) break; if (pbuf[0] == ';') continue; // comment line else if (pbuf[0] == '[') { if (pos = wcschr(++pbuf, ']')) // section line { if (match) break; pos[0] = '\0'; if (!psection) // return all section names { len = (int)(pos - pbuf) + 1; len = (len < (size-2)) ? len : (size-2); wcsncpy(pstr, pbuf, len); str_len += len; pstr += len; size -= len; str_size = str_len + 1; pstr[0] = '\0'; if (size == 2) { str_size = str_len + 2; pstr[1] = '\0'; break; } } else if (0 == wcscmp(pbuf, (TCHAR*)psection)) // match section { match = 1; } } } else if (match) // key lines of match section { if (pos = wcschr(pbuf, '=')) { while (pbuf[0] == ' ') pbuf++; len = (int)(pos - pbuf); while (len > 0 && pbuf[len-1] == ' ') len--; pbuf[len] = '\0'; if (!pkey) // return all key names of match section { len = len + 1; len = (len < (size-2)) ? len : (size-2); wcsncpy(pstr, pbuf, len); str_len += len; pstr += len; size -= len; str_size = str_len + 1; pstr[0] = '\0'; if (size == 2) { str_size = str_len + 2; pstr[1] = '\0'; break; } } else if (0 == wcscmp(pbuf, (TCHAR*)pkey)) // match key { pos++; while (pos[0] == ' ') pos++; len = (int)wcslen(pos); while ( (len > 0) && (pos[len-1] == ' ' || pos[len-1] == '\r' || pos[len-1] == '\n') ) len--; len = (len < (size-1)) ? len : (size-1); wcsncpy(pstr, pos, len); pstr[len] = '\0'; str_size = len + 1; str_len = len; break; } } } } } return Read(szbuf, bufsize); } int CProfile::Write(int section, int key, int end) { char *pread = szreadbuf; int r_offset = end; int w_offset = 0; int r_len = 0; int w_len = 0; if (pkey && pstring) // write string { char szwritebuf[1024] = {0}; char *pwrite = szwritebuf; char *ptemp = ""; char flag = 0; if (-1 != key) w_offset = key; else w_offset = end; if (file_encode == ANSI) { char ctemp = '\n'; fseek(fp, w_offset-sizeof(char), SEEK_SET); fread(&ctemp, sizeof(char), 1, fp); if (ctemp != '\n') ptemp = "\r\n"; if (-1 != section) sprintf(pwrite, "%s%s=%s\r\n", ptemp, pkey, pstring); else sprintf(pwrite, "%s[%s]\r\n%s=%s\r\n", ptemp, psection, pkey, pstring); w_len = (int)strlen(pwrite); } else // UNICODE { TCHAR ctemp = '\n'; fseek(fp, w_offset-sizeof(TCHAR), SEEK_SET); fread(&ctemp, sizeof(TCHAR), 1, fp); if (ctemp != '\n') ptemp = "\r\n"; if (-1 != section) swprintf((TCHAR*)pwrite, L"%S%s=%s\r\n", ptemp, pkey, pstring); else swprintf((TCHAR*)pwrite, L"%S[%s]\r\n%s=%s\r\n", ptemp, psection, pkey, pstring); w_len = (int)wcslen((TCHAR*)pwrite)*sizeof(TCHAR); } if (w_len < r_offset - w_offset) flag = 1; while (w_len) { if (fseek(fp, r_offset, SEEK_SET)) return -1; r_len = (int)fread(pread, 1, sizeof(szreadbuf), fp); r_offset += r_len; if (fseek(fp, w_offset, SEEK_SET)) return -1; w_len = (int)fwrite(pwrite, 1, w_len, fp); w_offset += w_len; ptemp = pread; pread = pwrite; pwrite = ptemp; w_len = r_len; } if (flag) return Truncate(pfilename, w_offset); } else // delete { if (!pkey && -1 != section) w_offset = section; // delete section else if (!pstring && -1 != key) w_offset = key; // delete key if (w_offset) { do {if (fseek(fp, r_offset, SEEK_SET)) return -1; r_len = (int)fread(pread, 1, sizeof(szreadbuf), fp); r_offset += r_len; if (fseek(fp, w_offset, SEEK_SET)) return -1; w_len = (int)fwrite(pread, 1, r_len, fp); w_offset += w_len; } while (r_len); return Truncate(pfilename, w_offset); } } return 0; } int CProfile::WriteString() { int section_start = -1; int key_start = -1; int start = -1; int end = -1; int len = 0; if (!fp || !psection) return -1; if (file_encode == ANSI) { char *pstr = (char*)pstring; char *pbuf = NULL; char *pos = NULL; while (!feof(fp)) { start = ftell(fp); pbuf = fgets(szreadbuf, sizeof(szreadbuf), fp); if (!pbuf) break; if (pbuf[0] == ';') continue; // comment line else if (pbuf[0] == '[') { if (pos = strchr(++pbuf, ']')) // section line { if (-1 != section_start) { end = start; break; } pos[0] = '\0'; if (0 == strcmp(pbuf, (char*)psection)) // match section { section_start = start; } } } else if (-1 != section_start && pkey) // key lines of match section { if (pos = strchr(pbuf, '=')) { while (pbuf[0] == ' ') pbuf++; len = (int)(pos - pbuf); while (len > 0 && pbuf[len-1] == ' ') len--; pbuf[len] = '\0'; if (0 == strcmp(pbuf, (char*)pkey)) // match key { key_start = start; end = ftell(fp); break; } } } } } else // UNICODE { TCHAR *pstr = (TCHAR*)pstring; TCHAR *pbuf = NULL; TCHAR *pos = NULL; while (!feof(fp)) { start = ftell(fp); pbuf = fgetws((TCHAR*)szreadbuf, sizeof(szreadbuf)/sizeof(TCHAR), fp); if (!pbuf) break; if (pbuf[0] == ';') continue; // comment line else if (pbuf[0] == '[') { if (pos = wcschr(++pbuf, ']')) // section line { if (-1 != section_start) { end = start; break; } pos[0] = '\0'; if (0 == wcscmp(pbuf, (TCHAR*)psection)) // match section { section_start = start; } } } else if (-1 != section_start && pkey) // key lines of match section { if (pos = wcschr(pbuf, '=')) { while (pbuf[0] == ' ') pbuf++; len = (int)(pos - pbuf); while (len > 0 && pbuf[len-1] == ' ') len--; pbuf[len] = '\0'; if (0 == wcscmp(pbuf, (TCHAR*)pkey)) // match key { key_start = start; end = ftell(fp); break; } } } } } if (-1 == end) end = ftell(fp); return Write(section_start, key_start, end); } ////////////////////////////////////////////////////////////////////////// UINT WINAPI GetPrivateProfileIntA2( LPCSTR lpAppName, LPCSTR lpKeyName, INT nDefault, LPCSTR lpFileName ) { char szReturn[20] = {0}; if (!lpAppName || !lpKeyName || !lpFileName) { return nDefault; } GetPrivateProfileStringA2(lpAppName, lpKeyName, NULL, szReturn, DIM(szReturn), lpFileName); if (strlen(szReturn) > 0) { return (UINT)_atoi64(szReturn); } else { return nDefault; } } UINT WINAPI GetPrivateProfileIntW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, INT nDefault, LPCWSTR lpFileName ) { TCHAR szReturn[20] = {0}; if (!lpAppName || !lpKeyName || !lpFileName) { return nDefault; } GetPrivateProfileStringW2(lpAppName, lpKeyName, NULL, szReturn, DIM(szReturn), lpFileName); if (wcslen(szReturn) > 0) { return (UINT)_wtoi64(szReturn); } else { return nDefault; } } DWORD WINAPI GetPrivateProfileStringA2( LPCSTR lpAppName, LPCSTR lpKeyName, LPCSTR lpDefault, LPSTR lpReturnedString, DWORD nSize, LPCSTR lpFileName ) { CProfile profile; DWORD dwLen = 0; if (!lpReturnedString || nSize < 1) return 0; if (nSize == 1) { lpReturnedString[0] = '\0'; return 0; } if (0 == profile.Open(lpFileName, ANSI)) { profile.SetParam((LPSTR)lpAppName, (LPSTR)lpKeyName, NULL); dwLen = profile.ReadString(lpReturnedString, nSize); profile.Close(); } if (dwLen == 0) { if (!lpDefault) lpReturnedString[0] = '\0'; else { dwLen = (DWORD)strlen(lpDefault); dwLen = (dwLen < (nSize-1)) ? dwLen : (nSize-1); strncpy(lpReturnedString, lpDefault, dwLen); lpReturnedString[dwLen] = '\0'; } } return dwLen; } DWORD WINAPI GetPrivateProfileStringW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, LPCWSTR lpDefault, LPWSTR lpReturnedString, DWORD nSize, LPCWSTR lpFileName ) { CProfile profile; DWORD dwLen = 0; if (!lpReturnedString || nSize < 1) return 0; if (nSize == 1) { lpReturnedString[0] = '\0'; return 0; } if (0 == profile.Open(lpFileName, UNCODE)) { profile.SetParam((LPWSTR)lpAppName, (LPWSTR)lpKeyName, NULL); dwLen = profile.ReadString(lpReturnedString, nSize); profile.Close(); } if (dwLen == 0) { if (!lpDefault) lpReturnedString[0] = '\0'; else { dwLen = (DWORD)wcslen(lpDefault); dwLen = (dwLen < (nSize-1)) ? dwLen : (nSize-1); wcsncpy(lpReturnedString, lpDefault, dwLen); lpReturnedString[dwLen] = '\0'; } } return dwLen; } BOOL WINAPI WritePrivateProfileStringA2( LPCSTR lpAppName, LPCSTR lpKeyName, LPCSTR lpString, LPCSTR lpFileName ) { CProfile profile; if (!lpFileName || !lpAppName) { return FALSE; } if (-1 == profile.Open(lpFileName, ANSI)) { if (-1 == profile.Create(lpFileName, ANSI)) { return FALSE; } } profile.SetParam((LPSTR)lpAppName, (LPSTR)lpKeyName, (LPSTR)lpString); if (profile.WriteString()) { profile.Close(); return FALSE; } else { profile.Close(); return TRUE; } } BOOL WINAPI WritePrivateProfileStringW2( LPCWSTR lpAppName, LPCWSTR lpKeyName, LPCWSTR lpString, LPCWSTR lpFileName ) { CProfile profile; if (!lpFileName || !lpAppName) { return FALSE; } if (-1 == profile.Open(lpFileName, UNCODE)) { if (-1 == profile.Create(lpFileName, UNCODE)) { return FALSE; } } profile.SetParam((LPWSTR)lpAppName, (LPWSTR)lpKeyName, (LPWSTR)lpString); if (profile.WriteString()) { profile.Close(); return FALSE; } else { profile.Close(); return TRUE; } }