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rainmeter-studio/Plugins/PluginQuote/Quote.cpp

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/*
Copyright (C) 2005 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma warning(disable: 4786)
#pragma warning(disable: 4996)
#include <windows.h>
#include <math.h>
#include <string>
#include <map>
#include <vector>
#include <time.h>
#include <tchar.h>
#include <shlwapi.h>
#include "..\..\Library\Export.h" // Rainmeter's exported functions
/* The exported functions */
extern "C"
{
__declspec( dllexport ) UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id);
__declspec( dllexport ) void Finalize(HMODULE instance, UINT id);
__declspec( dllexport ) double Update2(UINT id);
__declspec( dllexport ) LPCTSTR GetString(UINT id, UINT flags);
__declspec( dllexport ) UINT GetPluginVersion();
__declspec( dllexport ) LPCTSTR GetPluginAuthor();
}
struct quoteData
{
std::wstring pathname;
std::wstring separator;
std::vector<std::wstring> fileFilters;
std::vector<std::wstring> files;
std::wstring value;
};
void ScanFolder(quoteData& qData, bool bSubfolders, const std::wstring& path);
static std::map<UINT, quoteData> g_Values;
std::string ConvertToAscii(LPCTSTR str)
{
std::string szAscii;
if (str)
{
size_t len = (wcslen(str) + 1);
char* tmpSz = new char[len * 2];
WideCharToMultiByte(CP_ACP, 0, str, -1, tmpSz, (int)len * 2, NULL, FALSE);
szAscii = tmpSz;
delete tmpSz;
}
return szAscii;
}
std::wstring ConvertToWide(LPCSTR str)
{
std::wstring szWide;
if (str)
{
size_t len = strlen(str) + 1;
WCHAR* wideSz = new WCHAR[len * 2];
MultiByteToWideChar(CP_ACP, 0, str, (int)len, wideSz, (int)len * 2);
szWide = wideSz;
delete wideSz;
}
return szWide;
}
/*
This function is called when the measure is initialized.
The function must return the maximum value that can be measured.
The return value can also be 0, which means that Rainmeter will
track the maximum value automatically. The parameters for this
function are:
instance The instance of this DLL
iniFile The name of the ini-file (usually Rainmeter.ini)
section The name of the section in the ini-file for this measure
id The identifier for the measure. This is used to identify the measures that use the same plugin.
*/
UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id)
{
quoteData qData;
LPCTSTR data;
bool bSubfolders = false;
data = ReadConfigString(section, L"Subfolders", L"0");
if (data && _ttoi(data) == 1)
{
bSubfolders = true;
}
data = ReadConfigString(section, L"Separator", L"\n");
if (data)
{
qData.separator = data;
}
data = ReadConfigString(section, L"FileFilter", L"");
if (data && wcslen(data) > 0)
{
std::wstring ext = data;
size_t start = 0;
size_t pos = ext.find(L';');
while (pos != std::wstring::npos)
{
qData.fileFilters.push_back(ext.substr(start, pos - start));
start = pos + 1;
pos = ext.find(L';', pos + 1);
}
qData.fileFilters.push_back(ext.substr(start));
qData.separator = data;
}
/* Read our own settings from the ini-file */
data = ReadConfigString(section, L"PathName", L"");
if (data && wcslen(data) > 0)
{
qData.pathname = data;
if (qData.pathname.find(':') == -1) // Not found
{
std::wstring path = iniFile;
size_t pos = path.rfind('\\');
if (pos >= 0)
{
path.erase(pos + 1);
qData.pathname = path + qData.pathname;
}
}
if (PathIsDirectory(qData.pathname.c_str()))
{
if (qData.pathname[qData.pathname.size() - 1] != L'\\')
{
qData.pathname += L"\\";
}
// Scan files
ScanFolder(qData, bSubfolders, qData.pathname);
}
}
if (!qData.pathname.empty())
{
g_Values[id] = qData;
}
// TODO: Random=0, load stuff sequentially (store to somewhere)
srand( (unsigned)time( NULL ) );
return 0;
}
void ScanFolder(quoteData& qData, bool bSubfolders, const std::wstring& path)
{
// Get folder listing
WIN32_FIND_DATA fileData; // Data structure describes the file found
HANDLE hSearch; // Search handle returned by FindFirstFile
std::wstring searchPath = path + L"*";
hSearch = FindFirstFile(searchPath.c_str(), &fileData);
do
{
if(hSearch == INVALID_HANDLE_VALUE) break; // No more files found
if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if (bSubfolders)
{
if (wcscmp(fileData.cFileName, L".") != 0 && wcscmp(fileData.cFileName, L"..") != 0)
{
ScanFolder(qData, bSubfolders, path + fileData.cFileName + L"\\");
}
}
}
else
{
if (!qData.fileFilters.empty())
{
for (int i = 0; i < qData.fileFilters.size(); i++)
{
if (!qData.fileFilters[i].empty() && PathMatchSpec(fileData.cFileName, qData.fileFilters[i].c_str()))
{
qData.files.push_back(path + fileData.cFileName);
break;
}
}
}
else
{
qData.files.push_back(path + fileData.cFileName);
}
}
}
while(FindNextFile(hSearch, &fileData));
}
#define BUFFER_SIZE 4096
/*
This function is called when new value should be measured.
The function returns the new value.
*/
double Update2(UINT id)
{
std::map<UINT, quoteData>::iterator i = g_Values.find(id);
if (i != g_Values.end())
{
quoteData& qData = (*i).second;
if (qData.files.empty())
{
BYTE buffer[BUFFER_SIZE + 2];
buffer[BUFFER_SIZE] = 0;
// Read the file
FILE* file = _wfopen(qData.pathname.c_str(), L"r");
if (file)
{
// Check if the file is unicode or ascii
fread(buffer, sizeof(WCHAR), 1, file);
fseek(file, 0, SEEK_END);
int size = ftell(file);
if (size > 0)
{
// Go to a random place
int pos = rand() % size;
fseek(file, (pos / 2) * 2, SEEK_SET);
qData.value.erase();
if (0xFEFF == *(WCHAR*)buffer)
{
// It's unicode
WCHAR* wBuffer = (WCHAR*)buffer;
// Read until we find the first separator
WCHAR* sepPos1 = NULL;
WCHAR* sepPos2 = NULL;
do
{
size_t len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
buffer[len] = 0;
buffer[len + 1] = 0;
sepPos1 = wcsstr(wBuffer, qData.separator.c_str());
if (sepPos1 == NULL)
{
// The separator wasn't found
if (feof(file))
{
// End of file reached -> read from start
fseek(file, 2, SEEK_SET);
len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
buffer[len] = 0;
buffer[len + 1] = 0;
sepPos1 = wBuffer;
}
// else continue reading
}
else
{
sepPos1 += qData.separator.size();
}
}
while (sepPos1 == NULL);
// Find the second separator
do
{
sepPos2 = wcsstr(sepPos1, qData.separator.c_str());
if (sepPos2 == NULL)
{
// The separator wasn't found
if (feof(file))
{
// End of file reached -> read the rest
qData.value += sepPos1;
break;
}
else
{
qData.value += sepPos1;
// else continue reading
size_t len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
buffer[len] = 0;
buffer[len + 1] = 0;
sepPos1 = wBuffer;
}
}
else
{
if (sepPos2)
{
*sepPos2 = 0;
}
// Read until we find the second separator
qData.value += sepPos1;
}
}
while (sepPos2 == NULL);
}
else
{
// It's ascii
char* aBuffer = (char*)buffer;
// Read until we find the first separator
char* sepPos1 = NULL;
char* sepPos2 = NULL;
do
{
size_t len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
aBuffer[len] = 0;
sepPos1 = strstr(aBuffer, ConvertToAscii(qData.separator.c_str()).c_str());
if (sepPos1 == NULL)
{
// The separator wasn't found
if (feof(file))
{
// End of file reached -> read from start
fseek(file, 0, SEEK_SET);
len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
aBuffer[len] = 0;
sepPos1 = aBuffer;
}
// else continue reading
}
else
{
sepPos1 += qData.separator.size();
}
}
while (sepPos1 == NULL);
// Find the second separator
do
{
sepPos2 = strstr(sepPos1, ConvertToAscii(qData.separator.c_str()).c_str());
if (sepPos2 == NULL)
{
// The separator wasn't found
if (feof(file))
{
// End of file reached -> read the rest
qData.value += ConvertToWide(sepPos1);
break;
}
else
{
qData.value += ConvertToWide(sepPos1);
// else continue reading
size_t len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
aBuffer[len] = 0;
sepPos1 = aBuffer;
}
}
else
{
if (sepPos2)
{
*sepPos2 = 0;
}
// Read until we find the second separator
qData.value += ConvertToWide(sepPos1);
}
}
while (sepPos2 == NULL);
}
}
fclose(file);
}
}
else
{
// Select the filename
if (qData.files.size() > 0)
{
qData.value = qData.files[rand() % qData.files.size()];
}
}
}
return 0;
}
LPCTSTR GetString(UINT id, UINT flags)
{
std::map<UINT, quoteData>::iterator i = g_Values.find(id);
if (i != g_Values.end())
{
return ((*i).second).value.c_str();
}
return NULL;
}
/*
If the measure needs to free resources before quitting.
The plugin can export Finalize function, which is called
when Rainmeter quits (or refreshes).
*/
void Finalize(HMODULE instance, UINT id)
{
std::map<UINT, quoteData>::iterator i1 = g_Values.find(id);
if (i1 != g_Values.end())
{
g_Values.erase(i1);
}
}
UINT GetPluginVersion()
{
return 1001;
}
LPCTSTR GetPluginAuthor()
{
return L"Rainy (rainy@iki.fi)";
}
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