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utility.c 41.60 KB
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Alice 提交于 2020-07-15 09:54 . reinit
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/** 杂项工具函数库。包括:
* 1. 共享内存的分配与释放。
* 2. 系统时间函数
*/
#include <shlobj.h>
#include <windows.h>
#include <kernel.h>
#include <time.h>
#include <io.h>
#include <fcntl.h>
#include <zlib/zlib.h>
#include <sys/stat.h>
#include <tchar.h>
#include <Sddl.h>
#include <Aclapi.h>
//此宏定义的原因请参见头文件中的说明。
#define _IN_LOG_C_FILE
#include <utility.h>
#undef _IN_LOG_C_FILE
static SHAREDMEMORYINFO shared_info[MAX_SHARED_MEMORY_COUNT] = { 0, };
// **********************
/* 返回系统的Tick数(从系统启动开始的时钟步数)
* 参数:无
* 返回:
* 当前系统的TickCount
*/
int GetCurrentTicks()
{
return (int)GetTickCount();
}
/* 带有长度的复制字符串(为了进行移植的需要)。
* 参数:
* target 目标地址
* source 源地址
* 返回:无
*/
void CopyPartString(TCHAR *target, const TCHAR *source, int length)
{
int i;
for (i = 0; i < length && source[i]; i++)
target[i] = source[i];
target[i] = 0;
}
/* 输出汉字。
* 参数:
* hz 汉字
* 返回:无
*/
void OutputHz(HZ hz)
{
printf("%c%c", hz % 0x100, hz / 0x100);
}
//默认LOG文件名称
static const TCHAR *default_log_file_name = L"c:\\pim.log";
static int last_time_tick = 0;
static FILE *log_fd;
/* 在LOG文件中写出信息。
* 当LOG文件没有被初始化的时候,log信息将丢失。
* 参数:
* id 一般为文件名字与函数名字的组合
* format 输出格式,与printf相同
* ... 附带的可变参数
* 返回:
* 无
*/
void Log(const TCHAR *id, const TCHAR *format, ...)
{
//FILE *log_fd;
time_t cur_time;
struct tm *time_info;
TCHAR tmp[0x20];
va_list marker;
int passed_time;
int need_rom;
#ifndef _DEBUG
return;
#endif
__try
{
if(!log_fd)
return;
passed_time = GetCurrentTicks() - last_time_tick;
if (!last_time_tick)
passed_time = 0;
last_time_tick += passed_time;
need_rom = !FileExists(default_log_file_name);
if (need_rom)
_ftprintf(log_fd, L"%c", 0xFEFF);
va_start(marker, format);
cur_time = time(0);
time_info = localtime(&cur_time);
_tcsftime(tmp, _SizeOf(tmp), L"%H:%M:%S", time_info);
_ftprintf(log_fd, L"%s(%06d) %-24s(%x)\t", tmp, passed_time, id, GetCurrentThreadId());
//输出LOG信息
_vftprintf(log_fd, format, marker);
//如果输入信息最后没有回车,则加上回车
if (_tcslen(format) && format[_tcslen(format) - 1] != '\n')
_ftprintf(log_fd, L"\n");
}
__except(1)
{
}
}
/* 初始化LOG模块。打开LOG文件,或者将LOG文件置空,重新开始。
* 参数:
* log_file_name LOG文件名称,如果为空,则为默认的LOG文件名称
* restart 是否重新开始LOG文件,如果为1,则重新创建LOG文件;
* 如果为0,则在原有的文件上追加。
* 返回值:
* 成功:1,失败:0
*/
int LogInit(int restart)
{
#ifndef _DEBUG
return 1;
#endif
last_time_tick = GetCurrentTicks();
if (restart)
_tunlink(default_log_file_name);
if(!log_fd)//在初始化的时候,open日志文件
{
log_fd = _tfopen(default_log_file_name, L"a");
if (!log_fd)
return 0;
_setmode(_fileno(log_fd), _O_U16TEXT);
}
Log(LOG_ID, L"日志开始记录");
return 1;
}
int FreeLog()
{
#ifndef _DEBUG
return 1;
#endif
if(log_fd)
fclose(log_fd);
return 1;
}
/* 将文件装载到缓冲区。
* 请注意:缓冲区的大小必须满足文件读取的要求,不能小于文件的长度。
* 参数:
* file_name 文件全路径名称
* buffer 缓冲区
* buffer_length 缓冲区长度
* 返回:
* 成功:返回读取的长度,失败:-1
*/
int LoadFromFile(const TCHAR *file_name, void *buffer, int buffer_length)
{
FILE *fd;
int length;
Log(LOG_ID, L"读取文件%s到内存%p", file_name, buffer);
fd = _tfopen(file_name, TEXT("rb"));
if (!fd)
{
Log(LOG_ID, L"文件打开失败");
return 0;
}
length = (int)fread(buffer, 1, buffer_length, fd);
fclose(fd);
if (length < 0)
{
Log(LOG_ID, L"文件读取失败");
return 0;
}
Log(LOG_ID, L"文件读取成功, 长度:%d", length);
return length;
}
/* 将内存保存到文件。如果目标存在,则覆盖。
* 参数:
* file_name 文件全路径名称
* buffer 缓冲区指针
* buffer_length 文件长度
* 返回:
* 成功:1,失败:0
*/
int SaveToFile(const TCHAR *file_name, void *buffer, int buffer_length)
{
FILE *fd;
int length;
Log(LOG_ID, L"保存内存%p到文件%s,长度:%d", buffer, file_name, buffer_length);
fd = _tfopen(file_name, TEXT("wb"));
if (!fd)
{
TCHAR dir_name[MAX_PATH];
int i, index, ret;
Log(LOG_ID, L"文件打开失败");
//可能需要创建目录
//1. 寻找当前文件的目录
index = 0;
_tcscpy(dir_name, file_name);
for (i = 0; dir_name[i]; i++)
if (dir_name[i] == '\\')
index = i;
if (!index)
return 0;
dir_name[index] = 0; //dir_name中包含有目录名字
ret = SHCreateDirectoryEx(0, dir_name, 0);
if (ret != ERROR_SUCCESS)
return 0;
//创建目录成功,再次打开
fd = _tfopen(file_name, TEXT("wb"));
if (!fd)
return 0;
}
length = (int)fwrite(buffer, 1, buffer_length, fd);
fclose(fd);
if (length != buffer_length)
{
Log(LOG_ID, L"文件写入失败");
return 0;
}
Log(LOG_ID, L"文件写入成功");
return length;
}
/* 获得文件长度。
* 参数:
* file_name 文件名称
* 返回:
* 文件长度,-1标识出错。
*/
int GetFileLength(const TCHAR *file_name)
{
struct _stat f_data;
if (_tstat(file_name, &f_data))
return -1;
return (int) f_data.st_size;
}
// #############################
/* 存储共享内存句柄。
* 参数:
* handle 共享内存句柄
* pointer 指针
* 返回:无
*/
static void StoreSharedMemoryHandle(HANDLE handle, void *pointer)
{
int i;
//找到一个空位
for (i = 0; i < MAX_SHARED_MEMORY_COUNT; i++)
if (shared_info[i].pointer == 0)
{
shared_info[i].pointer = pointer;
shared_info[i].handle = handle;
return;
}
} // end function StoreSharedMemoryHandle
/* 获得共享内存区域指针。
* 参数:
* shared_name 共享内存名称
* 返回:
* 没有找到:0
* 找到:指向内存的指针
*/
void *GetSharedMemory(const TCHAR *shared_name)
{
HANDLE handle;
char *p;
//在IE7+Vista环境中,如果启用了保护模式,则IE7不能对词库进行写操作,加入
//写操作要求后,将会使共享失败。
//共享内存的写入,只包括用户词库的写入,所以要对用户词库更新进行判断
//获得共享句柄
handle = OpenFileMapping(
FILE_MAP_READ | FILE_MAP_WRITE, //需要读写权限
0, //不需要继承
shared_name); //共享名字
if (!handle)
{
Log(LOG_ID, L"打开共享失败,共享名称:%s", shared_name);
return 0;
}
//映射
p = (char*)MapViewOfFile(
handle, //共享内存句柄
FILE_MAP_READ | FILE_MAP_WRITE, //需要读写权限
0,
0, //偏移从0开始
0); //最大长度
if (!p)
Log(LOG_ID, L"文件映射失败,共享名称:%s,句柄:%d", shared_name, handle);
else
{
Log(LOG_ID, L"打开共享成功,共享名称:%s", shared_name);
StoreSharedMemoryHandle(handle, p);
}
return p;
}
/* 获得只读的共享内存区域指针(针对IE7)
* 参数:
* shared_name 共享内存名称
* 返回:
* 没有找到:0
* 找到:指向内存的指针
*/
void *GetReadOnlySharedMemory(const TCHAR *shared_name)
{
HANDLE handle;
char *p;
//在IE7+Vista环境中,如果启用了保护模式,则IE7不能对词库进行写操作,加入
//写操作要求后,将会使共享失败。
//共享内存的写入,只包括用户词库的写入,所以要对用户词库更新进行判断
//获得共享句柄
handle = OpenFileMapping(
FILE_MAP_READ, //需要读权限
0, //不需要继承
shared_name); //共享名字
if (!handle)
{
Log(LOG_ID, L"打开共享失败,共享名称:%s", shared_name);
return 0;
}
//映射
p = (char*)MapViewOfFile(
handle, //共享内存句柄
FILE_MAP_READ, //需要读权限
0,
0, //偏移从0开始
0); //最大长度
if (!p)
Log(LOG_ID, L"文件映射失败,共享名称:%s,句柄:%d", shared_name, handle);
else
{
Log(LOG_ID, L"打开共享成功,共享名称:%s", shared_name);
StoreSharedMemoryHandle(handle, p);
}
return p;
}
BOOL SetObjectToLowIntegrity(HANDLE hObj)
{
#define LABEL_SECURITY_INFORMATION (0x00000010L)
const wchar_t* LOW_INTEGRITY_SDDL_SACL_W = L"S:(ML;;NW;;;LW)";
BOOL rst = FALSE;
DWORD dwErr = ERROR_SUCCESS;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pSacl = NULL;
BOOL fSaclPresent = FALSE;
BOOL fSaclDefaulted = FALSE;
if (ConvertStringSecurityDescriptorToSecurityDescriptor(LOW_INTEGRITY_SDDL_SACL_W, SDDL_REVISION_1, &pSD, NULL))
{
if (GetSecurityDescriptorSacl(pSD, &fSaclPresent, &pSacl, &fSaclDefaulted))
{
dwErr = SetSecurityInfo(hObj, SE_KERNEL_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pSacl);
rst = (ERROR_SUCCESS == dwErr);
}
LocalFree(pSD);
}
return rst;
}
/* 创建共享内存区
* 参数:
* shared_name 共享内存名称
* length 共享内存长度
* 返回:
* 创建失败:0
* 成功:指向内存的指针
*/
void *AllocateSharedMemory(const TCHAR *shared_name, int length)
{
HANDLE handle;
SECURITY_DESCRIPTOR sd;
SECURITY_ATTRIBUTES sa;
char *p;
InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(&sd, 1, 0, 1);
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = &sd;
sa.bInheritHandle = 0;
//创建共享
handle = CreateFileMapping(
INVALID_HANDLE_VALUE, //不直接使用文件共享
&sa, //默认的安全描述符
PAGE_READWRITE, //页面可以写
0, //长度高32位
length, //长度低32位
shared_name); //共享名字
if (!handle)
{
Log(LOG_ID, L"创建共享失败,共享名称:%s,长度:%d, err=%d", shared_name, length, GetLastError());
return 0;
}
SetObjectToLowIntegrity(handle);
//映射
p = (char*)MapViewOfFile(
handle, //共享内存句柄
FILE_MAP_READ | FILE_MAP_WRITE, //需要读写权限
0,
0, //偏移从0开始
length); //最大长度
if (!p)
{
int err = GetLastError();
Log(LOG_ID, L"文件映射失败,共享名称:%s,句柄:%d, 长度:%d, Err:%d", shared_name, handle, length, err);
}
else
{
StoreSharedMemoryHandle(handle, p);
Log(LOG_ID, L"分配共享内存成功,长度:%d", length);
}
return p;
}//end AllocateSharedMemory
/* 释放共享内存区
* 参数:
* shared_name 共享内存名称
* pointer 共享内存指针
* 返回:无
*/
void FreeSharedMemory(const TCHAR *shared_name, char *pointer)
{
int i;
//解除映射
UnmapViewOfFile(pointer);
//获得共享句柄
for (i = 0; i < MAX_SHARED_MEMORY_COUNT; i++)
if (shared_info[i].pointer == pointer)
{
CloseHandle(shared_info[i].handle);
shared_info[i].handle = 0;
shared_info[i].pointer = 0;
return;
}
}
/* 窗口移动函数。
* 注意:同一时刻,只能有一个窗口移动。
*/
int drag_mode;
static POINT cursor_origin_pos;
static POINT window_origin_pos;
RECT GetMonitorRectFromPoint(POINT point)
{
HMONITOR monitor;
MONITORINFO monitor_info;
RECT rect;
SystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0);
monitor = MonitorFromPoint(point, MONITOR_DEFAULTTONEAREST);
if (monitor)
{
monitor_info.cbSize = sizeof(MONITORINFO);
monitor_info.rcWork = rect;
GetMonitorInfo(monitor, &monitor_info);
return monitor_info.rcWork;
}
return rect;
}
void MakeRectInRect(RECT *in_rect, RECT out_rect)
{
int width = in_rect->right - in_rect->left;
int height = in_rect->bottom - in_rect->top;
if (in_rect->right > out_rect.right)
in_rect->left = out_rect.right - width;
if (in_rect->left < out_rect.left)
in_rect->left = out_rect.left;
if (in_rect->bottom > out_rect.bottom)
in_rect->top = out_rect.bottom - height;
if (in_rect->top < out_rect.top)
in_rect->top = out_rect.top;
in_rect->right = in_rect->left + width;
in_rect->bottom = in_rect->top + height;
}
void DragStart(HWND window)
{
if (drag_mode)
return;
drag_mode = 1;
SetCapture(window);
GetCursorPos(&cursor_origin_pos);
}
void DragMove(HWND window)
{
RECT win_rect;
POINT new_cursor_pos;
int new_x, new_y;
if (!drag_mode)
return;
GetCursorPos(&new_cursor_pos);
GetWindowRect(window, &win_rect);
new_x = win_rect.left + new_cursor_pos.x - cursor_origin_pos.x;
new_y = win_rect.top + new_cursor_pos.y - cursor_origin_pos.y;
cursor_origin_pos = new_cursor_pos;
MoveWindow(window, new_x, new_y, win_rect.right - win_rect.left, win_rect.bottom - win_rect.top, 1);
}
void DragEnd(HWND window)
{
POINT point;
RECT monitor_rect;
RECT window_rect;
if (!drag_mode)
return;
drag_mode = 0;
ReleaseCapture();
GetCursorPos(&point);
monitor_rect = GetMonitorRectFromPoint(point);
GetWindowRect(window, &window_rect);
MakeRectInRect(&window_rect, monitor_rect);
MoveWindow(window, window_rect.left, window_rect.top, window_rect.right - window_rect.left, window_rect.bottom - window_rect.top, 1);
}
//需要转换的字符
static const UINT shift_chars[] =
{
0xc0, 0x7ec0, 1,
0x31, 0x2131, 1,
0x32, 0x4032, 1,
0x33, 0x2333, 1,
0x34, 0x2434, 1,
0x35, 0x2535, 1,
0x36, 0x5e36, 1,
0x37, 0x2637, 1,
0x38, 0x2a38, 1,
0x39, 0x2839, 1,
0x30, 0x2930, 1,
0xbd, 0x5fbd, 1,
0xbb, 0x2bbb, 1,
0xdc, 0x7cdc, 1,
0xdb, 0x7bdb, 1,
0xdd, 0x7ddd, 1,
0xba, 0x3aba, 1,
0xde, 0x22de, 1,
0xbc, 0x3cbc, 1,
0xbe, 0x3ebe, 1,
0xbf, 0x3fbf, 1,
0xc0, 0x60c0, 0,
0xbd, 0x2dbd, 0,
0xbb, 0x3dbb, 0,
0xdc, 0x5cdc, 0,
0xdb, 0x5bdb, 0,
0xdd, 0x5ddd, 0,
0xba, 0x3bba, 0,
0xde, 0x27de, 0,
0xbc, 0x2cbc, 0,
0xbe, 0x2ebe, 0,
0xbf, 0x2fbf, 0
};
UINT CompleteVirtualKey(UINT virtual_key, UINT scan_code, CONST LPBYTE key_state)
{
int i = 0;
UINT ret = virtual_key;
if ((virtual_key > 0xFF) || ((virtual_key >= VK_PRIOR) && (virtual_key <= VK_HELP)))
return ret;
if (isupper(virtual_key))
{
/*大写键按下,并且小写键按下 or 大写键未按下,并且小写键也未按下*/
if (((key_state[VK_CAPITAL] & 0x80) && (key_state[VK_SHIFT] & 0x80)) ||
(!(key_state[VK_CAPITAL] & 0x80) && !(key_state[VK_SHIFT] & 0x80)))
ret = ((virtual_key - 'A' + 'a') << 8) + virtual_key;
}
else
{
for (i = 0; i < sizeof(shift_chars) / sizeof(shift_chars[0]); i += 3)
{
if (virtual_key == shift_chars[i])
{
if (((key_state[VK_SHIFT] & 0x80) && shift_chars[i + 2]) ||
((!(key_state[VK_SHIFT] & 0x80)) && (!shift_chars[i + 2])))
{
ret = shift_chars[i + 1];
break;
}
}
}
}
//not found
if (ret == virtual_key)
{
//小键盘上的数字
if (virtual_key >= VK_NUMPAD0 && virtual_key <= VK_NUMPAD9)
ret = ((virtual_key - 0x30) << 8) + virtual_key;
else
ret = (virtual_key << 8) + virtual_key;
}
return ret;
}
/* 将VK解析成为可以判断的元素
*/
void TranslateKey(UINT virtual_key, UINT scan_code, CONST LPBYTE key_state, int *key_flag, TCHAR *ch, int no_virtual_key)
{
int flag = 0;
//SHIFT
if (key_state[VK_SHIFT] & 0x80)
flag |= KEY_SHIFT;
if (scan_code == 0xc02a)
flag |= KEY_LSHIFT;
if (scan_code == 0xc036)
flag |= KEY_RSHIFT;
//CONTROL
if (key_state[VK_CONTROL] & 0x80)
flag |= KEY_CONTROL;
if (scan_code == 0xc11d)
flag |= KEY_RCONTROL;
if (scan_code == 0xc01d)
flag |= KEY_LCONTROL;
//ALT
if (key_state[VK_MENU] & 0x80)
flag |= KEY_ALT;
if (key_state[VK_LMENU] & 0x80)
flag |= KEY_LALT;
if (key_state[VK_RMENU] & 0x80)
flag |= KEY_RALT;
//CAPITAL
if (key_state[VK_CAPITAL])
flag |= KEY_CAPITAL;
//部分软件传入的virtualkey没有前半部分的字符信息,只能通过其他方式来获取,例如vista下的onenote2003
if ((virtual_key <= 0xFF) && no_virtual_key)
virtual_key = CompleteVirtualKey(virtual_key, scan_code, key_state);
//转换到ASC字符
*ch = (virtual_key & 0xff0000) >> 16;
*key_flag = flag;
}
/* 判断文件是否存在。
*/
int FileExists(const TCHAR *file_name)
{
if (INVALID_FILE_ATTRIBUTES == GetFileAttributes(file_name))
return 0;
return 1;
}
/* 获得所有用户的Application目录
* 一般为: c:\documents and setting\alluser\applicate data
* Vista为: c:\docs\alluser\app
*/
TCHAR *GetAllUserAppDirectory(TCHAR *dir)
{
if (SHGetFolderPath(0, CSIDL_COMMON_APPDATA, 0, 0, dir))
{
Log(LOG_ID, L"SHGetFolderPath调用失败, err=%d", GetLastError());
dir[0] = 0;
return 0;
}
return dir;
}
/* 获得当前用户的Application目录
* 一般为: c:\documents and setting\{username}\applicate data
* Vista为: c:\docs\{username}\app
*/
TCHAR *GetUserAppDirectory(TCHAR *dir)
{
//vista 下放到appdata/locallow
if (GetWindowVersion() >= 0x0600)
{
TCHAR lowdir[MAX_PATH];
if (SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, dir))
{
Log(LOG_ID, L"SHGetFolderPath 调用失败, err=%d", GetLastError());
dir[0] = 0;
return 0;
}
_tcscpy_s(lowdir, MAX_PATH, dir);
_tcscat_s(lowdir, MAX_PATH, TEXT("Low"));
if (FileExists(lowdir))
_tcscat_s(dir, MAX_PATH, TEXT("Low"));
}
else if (SHGetFolderPath(0, CSIDL_APPDATA, 0, 0, dir))
{
Log(LOG_ID, L"SHGetFolderPath调用失败, err=%d", GetLastError());
dir[0] = 0;
return 0;
}
return dir;
}
/* 获得当前program files目录
* 一般为: c:\program files
*/
TCHAR *GetProgramDirectory(TCHAR *dir)
{
if (SHGetFolderPath(0, CSIDL_PROGRAM_FILES, 0, 0, dir))
{
Log(LOG_ID, L"SHGetFolderPath调用失败, err=%d", GetLastError());
dir[0] = 0;
return 0;
}
return dir;
}
/* 组合目录与文件,形成新的完整文件
* 参数:
* dir 目录名
* file 文件名
* result 结果
* 返回:
*/
TCHAR *CombineDirAndFile(const TCHAR *dir, const TCHAR *file, TCHAR *result)
{
if (result != dir)
_tcscpy(result, dir);
if (dir[_tcslen(dir) - 1] != '\\')
_tcscat(result, TEXT("\\"));
if (file[0] == '\\')
file++;
_tcscat(result, file);
return result;
}
/* 获得文件的绝对路径。
* 存储于Config中的文件名字,可以为相对路径名字。
* 如:"theme/abc.jpg",在/usr/app/unispim6目录中无法找到
* 的话,则在/alluser/app/unispim6/中寻找,如果还找不到,则返回0
* 如果文件为绝对路径,则找到直接返回。
* 参数:
* file_name
* result;
* 返回:
* 0:没有找到文件(/usr、/allusr下皆没有)
* 其他:新文件名(即原来的result)
*/
TCHAR *GetFileFullName(int type, const TCHAR *file_name, TCHAR *result)
{
TCHAR dir[MAX_PATH];
switch(type)
{
case TYPE_USERAPP:
if (!GetUserAppDirectory(dir))
return 0;
break;
case TYPE_ALLAPP:
if (!GetAllUserAppDirectory(dir))
return 0;
break;
case TYPE_PROGRAM:
if (!GetProgramDirectory(dir))
return 0;
break;
case TYPE_TEMP:
if (!GetTempPath(_SizeOf(dir), dir))
return 0;
break;
default:
return 0;
}
CombineDirAndFile(dir, file_name, result);
return result;
}
/* Ansi字符串转换到UTF16
*/
void AnsiToUtf16(const char *name, wchar_t *wname, int nSize)
{
MultiByteToWideChar(936, 0, name, (int)strlen(name) + 1, wname, nSize);
}
void Utf16ToAnsi(const wchar_t *wchars, char *chars, int nSize)
{
WideCharToMultiByte(936, 0, wchars, -1, chars, nSize, NULL, FALSE);
}
void UCS32ToUCS16(const UC UC32Char, TCHAR *buffer)
{
buffer[1] = 0;
if (UC32Char > 0x10FFFF || (UC32Char >= 0xD800 && UC32Char <= 0xDFFF))
{
buffer[0] = '?';
return;
}
if (UC32Char < 0x10000)
buffer[0] = (TCHAR)UC32Char;
else
{
buffer[0] = (UC32Char - 0x10000) / 0x400 + 0xD800;
buffer[1] = (UC32Char - 0x10000) % 0x400 + 0xDC00;
buffer[2] = 0;
}
}
//判断一个4字节TChar数组,是由几个汉字组成的。返回值:0,1,2
int UCS16Len(TCHAR *buffer)
{
size_t L = _tcslen( buffer );
if ( L == 0 )
return 0;
if ( L > 2 )
return 2;
if ( L == 2 )
{
if (( buffer[0] >= 0xD800 ) && ( buffer[0] <= 0xDFFF ))
return 1;
else
return 2;
}
return 1;
}
//从ucs16转为ucs32,只转一个汉字,多于一个汉字,返回0。
UC UCS16ToUCS32(TCHAR *buffer)
{
size_t L;
int L1;
L = _tcslen( buffer );
L1 = UCS16Len( buffer );
if ( L1 != 1 )
return 0;
if ( L == 1 )
return (int)buffer[0];
else
return (( buffer[0] - 0xD800 ) << 10) + ( buffer[1] - 0xDC00 ) + 0x10000;
}
/** 获得一行文本,并且除掉尾回车
*/
int GetLineFromFile(FILE *fr, TCHAR *line, int length)
{
TCHAR *p = line, ch;
ch = _fgettc(fr);
if (WEOF == ch)
return 0;
while (length-- && ch != WEOF)
{
*p = ch;
if (0xa == ch)
break;
ch = _fgettc(fr);
if (0xd == *p && 0xa == ch)
break;
p++;
}
*p = 0;
return 1;
}
/** 从文件中读出一个字符串
* 参数:
* file 文件指针
* string 读入的字符串缓冲区
* length 缓冲区长度
* 返回:
* 字符串的长度
*/
int GetStringFromFile(FILE *file, TCHAR *string, int length)
{
TCHAR ch = 0x09;
int count = 0;
*string = 0;
/* 过滤分隔符 */
while(0x09 == ch || 0xd == ch || 0xa == ch)
ch = _fgettc(file);
if (WEOF == ch)
return 0;
while (length-- && ch != WEOF && 0x09 != ch && 0xd != ch && 0xa != ch)
{
*string++ = ch;
count++;
ch = _fgettc(file);
}
*string = 0;
return count;
}
/** 删除字符串中的首尾空白字符
*/
void TrimString(TCHAR *line)
{
TCHAR *p;
TCHAR *start, *end;
int i;
if (!*line)
return;
p = line;
//除掉首部空白
while(*p)
{
if (*p != 0xd && *p != 0xa && *p != ' ' && *p != 0x9)
break;
p++;
}
start = end = p;
while(*p)
{
if (*p != 0xd && *p != 0xa && *p != ' ' && *p != 0x9)
end = p;
p++;
}
for (i = 0; i <= end - start; i++)
line[i] = start[i];
line[i] = 0;
}
/** 获得当前的时间数据
*/
void GetTimeValue(int *year, int *month, int *day, int *hour, int *minute, int *second, int *msecond)
{
SYSTEMTIME system_time;
GetLocalTime(&system_time);
*year = system_time.wYear;
*month = system_time.wMonth;
*day = system_time.wDay;
*hour = system_time.wHour;
*minute = system_time.wMinute;
*second = system_time.wSecond;
*msecond = system_time.wMilliseconds;
}
/** 使字符串适合于缓冲区的大小,如果过大则截取在汉字的边界上
*/
void MakeStringFitLength(TCHAR *string, int length)
{
int index, last_index;
index = last_index = 0;
while(string[index] && index < length)
{
index++;
if (index >= length)
break;
last_index = index;
}
string[last_index] = 0;
}
/** 执行程序
*/
void ExecuateProgram(const TCHAR *program_name, const TCHAR *args, const int is_url)
{
STARTUPINFO start_info;
PROCESS_INFORMATION process_info;
TCHAR buffer[MAX_PATH];
memset(&start_info, 0, sizeof(start_info));
start_info.cb = sizeof(start_info);
memset(&process_info, 0, sizeof(process_info));
_tcscpy_s(buffer, _SizeOf(buffer), program_name);
if (!_tcsstr(buffer, TEXT(".")) && !_tcsstr(buffer, TEXT("://")))
_tcscat_s(buffer, _SizeOf(buffer), TEXT(".exe"));
if (is_url && !args)
{
HKEY reg_key; //注册表KEY
DWORD data_type; //注册表项的类型
DWORD data_length = MAX_PATH; //配置内容长度
TCHAR value[MAX_PATH];
if (RegOpenKey(HKEY_CLASSES_ROOT, TEXT("HTTP\\shell\\open\\command"), &reg_key) == ERROR_SUCCESS)
{
RegQueryValueEx(reg_key, TEXT(""), 0, &data_type, (LPBYTE)value, &data_length);
if (!_tcsicmp(value, TEXT(""))/* || !_tcsicmp(value, TEXT("open"))*/)
{
ShellExecute(0, TEXT("open"), TEXT("iexplore"), buffer, 0, SW_SHOWNORMAL);
return;
}
}
}
ShellExecute(0, TEXT("open"), buffer, args, 0, SW_SHOWNORMAL);
}
void ExecuateProgramWithArgs(const TCHAR *cmd_line)
{
const TCHAR *args;
TCHAR exe[MAX_PATH];
int i, str_length;
str_length = (int)_tcslen(cmd_line);
for (i = 0; i < str_length; i++)
if (cmd_line[i] == ' ')
break;
if (i == str_length) //没有参数
{
ExecuateProgram(cmd_line, 0, 0);
return;
}
args = cmd_line + i;
_tcsncpy_s(exe, _SizeOf(exe), cmd_line, min(i, _SizeOf(exe) - 1));
ExecuateProgram(exe, args, 0);
}
/** 系统消息窗口过程
*/
LRESULT WINAPI WaitingWindowProcedure(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
TCHAR szMsg[0x200];
switch (uMsg)
{
case WM_CREATE:
{
HDC hdc;
SIZE sizeText;
RECT rcWorkArea;
GetWindowText(hwnd, szMsg, _SizeOf(szMsg) - 1);
hdc = GetDC(hwnd);
GetTextExtentPoint32(hdc, szMsg, (int)_tcslen(szMsg), &sizeText);
ReleaseDC(hwnd, hdc);
sizeText.cx += 60;
sizeText.cy += 20;
SystemParametersInfo(SPI_GETWORKAREA, 0, &rcWorkArea, FALSE);
MoveWindow(hwnd, (rcWorkArea.right - sizeText.cx) / 2, (rcWorkArea.bottom - sizeText.cy) / 2,
sizeText.cx, sizeText.cy, TRUE);
return 0;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc;
RECT rc;
LOGFONT lf;
HFONT hf, hfOri;
memset(&lf, 0, sizeof(lf));
lf.lfCharSet = GB2312_CHARSET;
lf.lfHeight = -12;
_tcscpy(lf.lfFaceName, TEXT("宋体"));
lf.lfWeight = FW_MEDIUM;
hf = CreateFontIndirect(&lf);
hdc = BeginPaint(hwnd, &ps);
GetClientRect(hwnd, &rc);
GetWindowText(hwnd, szMsg, sizeof(szMsg) - 1);
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT));
hfOri = (HFONT)SelectObject(hdc, hf);
DrawText(hdc, szMsg, (int)_tcslen(szMsg), &rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
SelectObject(hdc, hfOri);
EndPaint(hwnd, &ps);
DeleteObject(hf);
return 0;
}
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
}
/** 显示系统信息窗口
* 参数:
* message 显示的信息,当字符串为0时,为关闭窗口
*/
void ShowWaitingMessage(const TCHAR *message, HINSTANCE instance, int min_time)
{
static TCHAR class_name[] = TEXT("WAITINGMSGWINDOW");
static HINSTANCE instance_save;
static HWND hwnd = 0;
static last_time = 0;
WNDCLASS wc;
if (message)
{
if (hwnd)
{
//保证显示的时间
Sleep(min_time);
DestroyWindow(hwnd);
UnregisterClass(class_name, instance_save);
}
instance_save = instance;
wc.style = CS_SAVEBITS | CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WaitingWindowProcedure;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = instance;
wc.hIcon = 0;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = class_name;
RegisterClass(&wc);
hwnd = CreateWindowEx(
WS_EX_DLGMODALFRAME | WS_EX_TOPMOST | WS_EX_TOOLWINDOW,
class_name, message, WS_POPUP | WS_DISABLED,
0, 0, 0, 0, 0, 0, instance, 0);
ShowWindow(hwnd, SW_SHOWNA);
UpdateWindow(hwnd);
last_time = GetCurrentTicks();
}
else
{
Sleep(min_time);
DestroyWindow(hwnd);
UnregisterClass(class_name, instance_save);
}
}
/** 压缩文件
* 参数:
* name 被压缩文件名
* tag_name 压缩文件名
* 返回:
* 1:成功,0:失败
*/
int CompressFile(const char *name, const char *tag_name)
{
gzFile fw;
FILE *fr;
char buffer[0x400];
int length;
int total_length = 0;
fr = fopen(tag_name, "rb");
if (!fr)
return 0;
fw = gzopen(name, "wb");
if (!fr)
{
fclose(fr);
return 0;
}
while((length = (int)fread(buffer, 1, sizeof(buffer), fr)) > 0)
{
if (gzwrite(fw, buffer, length) < 0)
{
length = -1;
break;
}
}
gzclose(fw);
fclose(fr);
if (length < 0)
{
_unlink(tag_name);
return 0;
}
return 1;
}
/** 对可能的压缩文件进行解压缩
* 参数:
* name 压缩文件名字
* tag_name 目标文件名字
* stop_length 停止长度(-1为全部解开, -2为全部解开并做CRC校验)
* 返回:
* 1:成功,0:失败
*/
int UncompressFile(const TCHAR *name, const TCHAR *tag_name, int stop_length)
{
gzFile fr;
FILE *fw;
char buffer[0x400];
int length;
int total_length = 0;
uLong origincrc, crc;
BYTE crcs[0x4];
char zip_file[MAX_PATH];
Utf16ToAnsi((wchar_t*)name, zip_file, MAX_PATH);
fr = gzopen((char *)zip_file, "rb");
if (!fr)
return 0;
fw = _tfopen(tag_name, TEXT("wb"));
if (!fw)
{
gzclose(fr);
return 0;
}
//初始化CRC
if (-2 == stop_length)
crc = crc32(0L, Z_NULL, 0);
while((length = gzread(fr, buffer, sizeof(buffer))) > 0)
{
//生成数据文件的CRC
if (-2 == stop_length)
crc = crc32(crc, buffer, length);
if (length == fwrite(buffer, 1, length, fw))
{
total_length += length;
if (stop_length > 0 && total_length >= stop_length)
break;
continue;
}
length = -1;
break;
}
fclose(fw);
gzclose(fr);
//获得原始的CRC
if (-2 == stop_length && 0 == length)
{
fw = _tfopen(name, TEXT("rb"));
if (!fw)
return 0;
//最后8个字节存放原始文件CRC32和原始文件数据长度的低32位
fseek(fw, -8L, SEEK_END);
fread(crcs, 1, 4, fw);
fclose(fw);
origincrc = crcs[0] + crcs[1] * 0x100 + crcs[2] * 0x10000 + crcs[3] * 0x1000000;
//如果两个crc的值不同,认为文件被损坏了
if (crc != origincrc)
return 0;
}
if (length < 0)
{
_tunlink(tag_name);
return 0;
}
return 1;
}
/** 简单加密,加密方法: ^0xA5 >>> 3
* 参数:
* x 8位数值
* 返回:
* 编码后的数值
*/
int SimpleEncode(char x)
{
unsigned char v;
v = (unsigned char)x;
v ^= 0xA5;
v = (v >> 3) | (v << 5);
return (int)v;
}
/** 简单解码
* 参数:
* x 8位数值
* 返回:
* 编码后的数值
*/
char SimpleDecode(char x)
{
unsigned char v;
v = (unsigned char)x;
v = (v >> 5) | (v << 3);
v ^= 0xA5;
return (char)v;
}
/** 将字符串转换为16进制的可见字符串(用于URL的表达)
* 返回:
* 16进制字符串长度,0为有错误(长度不足)
*/
int ArrayToHexString(const char *src, int src_length, char *tag, int tag_length)
{
static char d2h[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
int i;
if (tag_length < src_length * 2 + 1)
return 0; //长度不足
for (i = 0; i < src_length; i++)
{
tag[i * 2] = d2h[SimpleEncode(src[i]) / 0x10];
tag[i * 2 + 1] = d2h[SimpleEncode(src[i]) % 0x10];
}
tag[i * 2] = 0;
return i * 2;
}
/** 将16进制字符串转换为正常的字符串(用于URL解析)
* 返回:
* 字符串长度,0为有错误(长度不足,或不是正确的16进制表达)
*/
int HexStringToArray(const char *src, char *tag, int tag_length)
{
int src_length;
int i;
src_length = (int)strlen(src);
if (tag_length * 2 < src_length + 1)
return 0;
//判断是否为正确的16进制字符串
for (i = 0; i < src_length; i++)
{
if (src[i] >= '0' && src[i] <= '9')
continue;
if (src[i] >= 'a' && src[i] <= 'f')
continue;
if (src[i] >= 'A' && src[i] <= 'F')
continue;
}
if (i != src_length)
return 0;
for (i = 0; i < src_length; i += 2)
{
int b0 = src[i] <= '9' ? src[i] - '0' :
src[i] <= 'F' ? src[i] - 'A' + 10 :
src[i] - 'a' + 10;
int b1 = src[i + 1] <= '9' ? src[i + 1] - '0' :
src[i + 1] <= 'F' ? src[i + 1] - 'A' + 10 :
src[i + 1] - 'a' + 10;
tag[i / 2] = b0 * 16 + b1;
tag[i / 2] = SimpleDecode(tag[i / 2]);
}
tag[i / 2] = 0;
return i / 2;
}
/** 获得字符串的签名。签名方法:用累加和方法进行,最后^5AA5A55A
*/
int GetSign(const char *buffer, int buffer_length)
{
int sum = 0;
int i;
for (i = 0; i < buffer_length; i++)
sum += (unsigned char)buffer[i];
sum ^= 0x5aa5a55a;
return sum;
}
volatile int thread_entered = 0;
volatile int lock_count = 0;
/** 加锁
*/
void Lock()
{
//int id = GetCurrentThreadId();
//Vista + IE7 不同的TAB之间的线程机制不清楚,如果加入锁,则会造成死锁
//目前去掉,观察其他程序是否正常,尤其是Explorer在设置默认输入法情况下
//的表现。 2007-7-16
return;
//do
//{
// if (id == thread_entered)
// break;
// if (InterlockedCompareExchange(&thread_entered, id, 0) == 0)
// break;
// Sleep(10);
//}while(1);
//lock_count++;
}
/** 释放锁
*/
void Unlock()
{
//int id = GetCurrentThreadId();
return;
//if (id != thread_entered)
// return;
//lock_count--;
//if (lock_count == 0)
// thread_entered = 0;
}
int is_explorer = 0;
/** 获得后端使用的程序名称
*/
const TCHAR *GetProgramName()
{
static TCHAR name[MAX_PATH];
TCHAR *p = name;
TCHAR *p_name;
if (!GetModuleFileName(0, name, _SizeOf(name)))
return 0;
Log(LOG_ID, L"Process Name:%s", name);
//找到最后一个\,然后截取
p_name = p;
while(*p)
{
if (*p == '\\')
p_name = p + 1;
p++;
}
Log(LOG_ID, L"Process Name:%s", p_name);
is_explorer = !_tcsicmp(p_name, L"explorer.exe");
return p_name;
}
/** 获得操作系统的版本号
*/
int GetWindowVersion()
{
OSVERSIONINFOEX osvi;
BOOL bOsVersionInfoEx;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) )
{
osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) )
return 0;
}
return osvi.dwMajorVersion << 8 | osvi.dwMinorVersion;
}
//判断是否全屏状态
int IsFullScreen()
{
HWND hwnd;
RECT rcWindow;
HMONITOR hm;
MONITORINFO mi;
if (is_explorer)
return 0;
hwnd = GetForegroundWindow();
GetWindowRect(hwnd, &rcWindow);
hm = MonitorFromRect(&rcWindow, MONITOR_DEFAULTTONULL);
if (!hm)
return 0;
mi.cbSize = sizeof(mi);
GetMonitorInfo(hm, &mi);
return EqualRect(&rcWindow, &mi.rcMonitor);
}
/** 将过长的字符串压缩到buffer中,压缩长度为缓冲区的大小
* 压缩方式:在中间加入4个.两头保持。
* 如: 北京紫光华宇软件股份有限公司
* 压缩为: 北京紫光华....有限公司
* 返回:
* 压缩后的长度
*/
int PackStringToBuffer(TCHAR *str, int str_len, TCHAR *buffer, int buf_len)
{
int index, last_index;
int side_length;
if (str_len <= buf_len)
{
_tcscpy_s(buffer, buf_len + 1, str);
return str_len;
}
side_length = buf_len / 2 - 2;
//找到边界
last_index = index = 0;
while(index < side_length)
{
last_index = index;
index++;
};
if (index == side_length)
last_index = index;
for (index = 0; index < last_index; index++)
*buffer++ = str[index];
*buffer++ = '.';
*buffer++ = '.';
*buffer++ = '.';
*buffer++ = '.';
while(index < str_len - side_length)
index++;
for (; index < str_len; index++)
*buffer++ = str[index];
*buffer++ = 0;
return (int)_tcslen(buffer);
}
int IsNumberString(TCHAR *candidate_str)
{
static TCHAR *NumberString = TEXT("零一壹二贰三叁四肆五伍六陆七柒八捌九玖十拾百佰千仟万亿");
int i;
int len = (int)_tcslen(candidate_str);
if (len < 2)
return 0;
for (i = 0; i < len; i++)
{
if (!_tcschr(NumberString, candidate_str[i]))
return 0;
}
return 1;
}
int LastCharIsAtChar(TCHAR *str)
{
int len = (int)_tcslen(str);
if (len < 2)
return 0;
if (str[len - 2] != '@' && isalpha(str[len - 2]) && str[len - 1] == '@')
return 1;
else
return 0;
}
char strMatch(char *src, char * pattern)
{
int i, j, ilen1, ilen2, ipos, isfirst;
//初始化各种变量
ilen1 = (int)strlen(src);
ilen2 = (int)strlen(pattern);
i = j = isfirst = 0;
ipos = -1;
//比对到字符串末尾退出
while(i < ilen1 && j < ilen2)
{
//如果匹配,则i、j向后移动
if(tolower(src[i]) == tolower(pattern[j]) || pattern[j] == '?')
{
++i;
++j;
}
//如果遇到*,则j向后移动,记录*号出现位置,并设置isfirst为1(避免死循环)
else if(pattern[j] == '*')
{
++j;
ipos = j;
isfirst = 1;
}
//在有星号的情况下,如果不匹配,则退回j,并i向后移动
else if(ipos >= 0)
{
if (isfirst)
isfirst = 0;
else
++i;
j = ipos;
}
//不匹配、无*号,则退出
else
return 0;
}
//pattern用尽,则表示匹配
if (j == ilen2)
return 1;
//pattern没用尽,src用尽了,如果pattern剩下的都是*,则匹配
else if (i == ilen1)
{
//这里临时借用isfirst、ipos变量,不新定义变量了
isfirst = 1;
for (ipos = j; ipos < ilen2; ipos++)
{
if (pattern[ipos] != '*')
{
isfirst = 0;
break;
}
}
return isfirst;
}
else
return 0;
}
int IsNumpadKey(int virtual_key)
{
switch (virtual_key & 0xFF)
{
case 0x61: case 0x62: case 0x63: case 0x64: case 0x65:
case 0x66: case 0x67: case 0x68: case 0x69:
return 1;
break;
default:
return 0;
}
}
BOOL IsIME64()
{
//其实下面的方法只能判断IME本身被编译为32位还是
//64位的(对应Solution Platform中的x86或x64),而
//不是系统是32位还是64位。但由于我们在输入法打
//包时实际上会编译两个版本的IME,在不同的系统上
//安装时会自动选择不同方式编译的IME,所以实际上
//二者保持一致
BOOL bRes = FALSE;
void *ptr;
if (sizeof(ptr) == 8)
{
bRes = TRUE;
}
return bRes;
}
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