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rainmeter-studio/Library/ConfigParser.cpp
Birunthan Mohanathas 1d61725057 Tweaks
2012-05-24 14:15:46 +03:00

1408 lines
35 KiB
C++

/*
Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "ConfigParser.h"
#include "MathParser.h"
#include "Litestep.h"
#include "Rainmeter.h"
#include "System.h"
#include "Measure.h"
#include "resource.h"
extern CRainmeter* Rainmeter;
using namespace Gdiplus;
std::unordered_map<std::wstring, std::wstring> CConfigParser::c_MonitorVariables;
/*
** The constructor
**
*/
CConfigParser::CConfigParser() :
m_LastReplaced(false),
m_LastDefaultUsed(false),
m_LastValueDefined(false),
m_CurrentSection()
{
}
/*
** The destructor
**
*/
CConfigParser::~CConfigParser()
{
}
void CConfigParser::Initialize(const std::wstring& filename, CMeterWindow* meterWindow, LPCTSTR config, const std::wstring* resourcePath)
{
m_Measures.clear();
m_Sections.clear();
m_Values.clear();
m_BuiltInVariables.clear();
m_Variables.clear();
m_StyleTemplate.clear();
m_LastUsedStyle.clear();
m_LastReplaced = false;
m_LastDefaultUsed = false;
m_LastValueDefined = false;
m_CurrentSection = NULL;
// Set the built-in variables. Do this before the ini file is read so that the paths can be used with @include
SetBuiltInVariables(filename, resourcePath, meterWindow);
ResetMonitorVariables(meterWindow);
CSystem::UpdateIniFileMappingList();
ReadIniFile(filename, config);
ReadVariables();
// Clear and minimize
m_FoundSections.clear();
m_ListVariables.clear();
}
void CConfigParser::SetBuiltInVariables(const std::wstring& filename, const std::wstring* resourcePath, CMeterWindow* meterWindow)
{
auto insertVariable = [&](const WCHAR* name, std::wstring value)
{
return m_BuiltInVariables.insert(std::make_pair(name, value));
};
insertVariable(L"PROGRAMPATH", Rainmeter->GetPath());
insertVariable(L"PROGRAMDRIVE", Rainmeter->GetDrive());
insertVariable(L"SETTINGSPATH", Rainmeter->GetSettingsPath());
insertVariable(L"SKINSPATH", Rainmeter->GetSkinPath());
insertVariable(L"PLUGINSPATH", Rainmeter->GetPluginPath());
insertVariable(L"CURRENTPATH", CRainmeter::ExtractPath(filename));
insertVariable(L"ADDONSPATH", Rainmeter->GetAddonPath());
if (meterWindow)
{
insertVariable(L"CURRENTFILE", meterWindow->GetSkinIniFile());
insertVariable(L"CURRENTCONFIG", meterWindow->GetSkinName());
insertVariable(L"ROOTCONFIGPATH", meterWindow->GetSkinRootPath());
}
insertVariable(L"CRLF", L"\n");
m_CurrentSection = &(insertVariable(L"CURRENTSECTION", L"").first->second); // shortcut
if (resourcePath)
{
SetVariable(L"@", *resourcePath);
}
}
/*
** Sets all user-defined variables.
**
*/
void CConfigParser::ReadVariables()
{
std::list<std::wstring>::const_iterator iter = m_ListVariables.begin();
for ( ; iter != m_ListVariables.end(); ++iter)
{
SetVariable((*iter), ReadString(L"Variables", (*iter).c_str(), L"", false));
}
}
/*
** Sets a new value for the variable. The DynamicVariables must be set to 1 in the
** meter/measure for the changes to be applied.
**
*/
void CConfigParser::SetVariable(std::unordered_map<std::wstring, std::wstring>& variables, const std::wstring& strVariable, const std::wstring& strValue)
{
// LogWithArgs(LOG_DEBUG, L"Variable: %s=%s (size=%i)", strVariable.c_str(), strValue.c_str(), (int)variables.size());
const std::wstring strTmp = StrToUpper(strVariable);
variables[strTmp] = strValue;
}
void CConfigParser::SetVariable(std::unordered_map<std::wstring, std::wstring>& variables, const WCHAR* strVariable, const WCHAR* strValue)
{
// LogWithArgs(LOG_DEBUG, L"Variable: %s=%s (size=%i)", strVariable.c_str(), strValue.c_str(), (int)variables.size());
const std::wstring strTmp = StrToUpper(strVariable);
variables[strTmp] = strValue;
}
/*
** Gets a value for the variable. Returns true if variable found.
**
*/
bool CConfigParser::GetVariable(const std::wstring& strVariable, std::wstring& strValue)
{
const std::wstring strTmp = StrToUpper(strVariable);
// #1: Built-in variables
std::unordered_map<std::wstring, std::wstring>::const_iterator iter = m_BuiltInVariables.find(strTmp);
if (iter != m_BuiltInVariables.end())
{
// Built-in variable found
strValue = (*iter).second;
return true;
}
// #2: Monitor variables
iter = c_MonitorVariables.find(strTmp);
if (iter != c_MonitorVariables.end())
{
// SCREENAREA/WORKAREA variable found
strValue = (*iter).second;
return true;
}
// #3: User-defined variables
iter = m_Variables.find(strTmp);
if (iter != m_Variables.end())
{
// Variable found
strValue = (*iter).second;
return true;
}
// Not found
return false;
}
void CConfigParser::ResetMonitorVariables(CMeterWindow* meterWindow)
{
// Set the SCREENAREA/WORKAREA variables
if (c_MonitorVariables.empty())
{
SetMultiMonitorVariables(true);
}
// Set the SCREENAREA/WORKAREA variables for present monitor
SetAutoSelectedMonitorVariables(meterWindow);
}
/*
** Sets new values for the SCREENAREA/WORKAREA variables.
**
*/
void CConfigParser::SetMultiMonitorVariables(bool reset)
{
WCHAR buffer[32];
RECT workArea, scrArea;
if (!reset && c_MonitorVariables.empty())
{
reset = true; // Set all variables
}
SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0);
_itow_s(workArea.left, buffer, 10);
SetMonitorVariable(L"WORKAREAX", buffer);
SetMonitorVariable(L"PWORKAREAX", buffer);
_itow_s(workArea.top, buffer, 10);
SetMonitorVariable(L"WORKAREAY", buffer);
SetMonitorVariable(L"PWORKAREAY", buffer);
_itow_s(workArea.right - workArea.left, buffer, 10);
SetMonitorVariable(L"WORKAREAWIDTH", buffer);
SetMonitorVariable(L"PWORKAREAWIDTH", buffer);
_itow_s(workArea.bottom - workArea.top, buffer, 10);
SetMonitorVariable(L"WORKAREAHEIGHT", buffer);
SetMonitorVariable(L"PWORKAREAHEIGHT", buffer);
if (reset)
{
scrArea.left = 0;
scrArea.top = 0;
scrArea.right = GetSystemMetrics(SM_CXSCREEN);
scrArea.bottom = GetSystemMetrics(SM_CYSCREEN);
_itow_s(scrArea.left, buffer, 10);
SetMonitorVariable(L"SCREENAREAX", buffer);
SetMonitorVariable(L"PSCREENAREAX", buffer);
_itow_s(scrArea.top, buffer, 10);
SetMonitorVariable(L"SCREENAREAY", buffer);
SetMonitorVariable(L"PSCREENAREAY", buffer);
_itow_s(scrArea.right - scrArea.left, buffer, 10);
SetMonitorVariable(L"SCREENAREAWIDTH", buffer);
SetMonitorVariable(L"PSCREENAREAWIDTH", buffer);
_itow_s(scrArea.bottom - scrArea.top, buffer, 10);
SetMonitorVariable(L"SCREENAREAHEIGHT", buffer);
SetMonitorVariable(L"PSCREENAREAHEIGHT", buffer);
_itow_s(GetSystemMetrics(SM_XVIRTUALSCREEN), buffer, 10);
SetMonitorVariable(L"VSCREENAREAX", buffer);
_itow_s(GetSystemMetrics(SM_YVIRTUALSCREEN), buffer, 10);
SetMonitorVariable(L"VSCREENAREAY", buffer);
_itow_s(GetSystemMetrics(SM_CXVIRTUALSCREEN), buffer, 10);
SetMonitorVariable(L"VSCREENAREAWIDTH", buffer);
_itow_s(GetSystemMetrics(SM_CYVIRTUALSCREEN), buffer, 10);
SetMonitorVariable(L"VSCREENAREAHEIGHT", buffer);
}
if (CSystem::GetMonitorCount() > 0)
{
const MULTIMONITOR_INFO& multimonInfo = CSystem::GetMultiMonitorInfo();
const std::vector<MONITOR_INFO>& monitors = multimonInfo.monitors;
for (size_t i = 0, isize = monitors.size(); i < isize; ++i)
{
WCHAR buffer2[64];
const RECT work = (monitors[i].active) ? monitors[i].work : workArea;
_itow_s(work.left, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAX@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(work.top, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAY@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(work.right - work.left, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAWIDTH@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(work.bottom - work.top, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAHEIGHT@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
if (reset)
{
const RECT screen = (monitors[i].active) ? monitors[i].screen : scrArea;
_itow_s(screen.left, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAX@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(screen.top, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAY@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(screen.right - screen.left, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAWIDTH@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_itow_s(screen.bottom - screen.top, buffer, 10);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAHEIGHT@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
}
}
}
}
/*
** Sets new SCREENAREA/WORKAREA variables for present monitor.
**
*/
void CConfigParser::SetAutoSelectedMonitorVariables(CMeterWindow* meterWindow)
{
if (meterWindow)
{
WCHAR buffer[32];
if (CSystem::GetMonitorCount() > 0)
{
int w1, w2, s1, s2;
int screenIndex;
const MULTIMONITOR_INFO& multimonInfo = CSystem::GetMultiMonitorInfo();
const std::vector<MONITOR_INFO>& monitors = multimonInfo.monitors;
// Set X / WIDTH
screenIndex = multimonInfo.primary;
if (meterWindow->GetXScreenDefined())
{
int i = meterWindow->GetXScreen();
if (i >= 0 && (i == 0 || i <= (int)monitors.size() && monitors[i-1].active))
{
screenIndex = i;
}
}
if (screenIndex == 0)
{
s1 = w1 = multimonInfo.vsL;
s2 = w2 = multimonInfo.vsW;
}
else
{
w1 = monitors[screenIndex-1].work.left;
w2 = monitors[screenIndex-1].work.right - monitors[screenIndex-1].work.left;
s1 = monitors[screenIndex-1].screen.left;
s2 = monitors[screenIndex-1].screen.right - monitors[screenIndex-1].screen.left;
}
_itow_s(w1, buffer, 10);
SetBuiltInVariable(L"WORKAREAX", buffer);
_itow_s(w2, buffer, 10);
SetBuiltInVariable(L"WORKAREAWIDTH", buffer);
_itow_s(s1, buffer, 10);
SetBuiltInVariable(L"SCREENAREAX", buffer);
_itow_s(s2, buffer, 10);
SetBuiltInVariable(L"SCREENAREAWIDTH", buffer);
// Set Y / HEIGHT
screenIndex = multimonInfo.primary;
if (meterWindow->GetYScreenDefined())
{
int i = meterWindow->GetYScreen();
if (i >= 0 && (i == 0 || i <= (int)monitors.size() && monitors[i-1].active))
{
screenIndex = i;
}
}
if (screenIndex == 0)
{
s1 = w1 = multimonInfo.vsL;
s2 = w2 = multimonInfo.vsW;
}
else
{
w1 = monitors[screenIndex-1].work.top;
w2 = monitors[screenIndex-1].work.bottom - monitors[screenIndex-1].work.top;
s1 = monitors[screenIndex-1].screen.top;
s2 = monitors[screenIndex-1].screen.bottom - monitors[screenIndex-1].screen.top;
}
_itow_s(w1, buffer, 10);
SetBuiltInVariable(L"WORKAREAY", buffer);
_itow_s(w2, buffer, 10);
SetBuiltInVariable(L"WORKAREAHEIGHT", buffer);
_itow_s(s1, buffer, 10);
SetBuiltInVariable(L"SCREENAREAY", buffer);
_itow_s(s2, buffer, 10);
SetBuiltInVariable(L"SCREENAREAHEIGHT", buffer);
}
else
{
RECT r;
// Set default WORKAREA
SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
_itow_s(r.left, buffer, 10);
SetBuiltInVariable(L"WORKAREAX", buffer);
_itow_s(r.top, buffer, 10);
SetBuiltInVariable(L"WORKAREAY", buffer);
_itow_s(r.right - r.left, buffer, 10);
SetBuiltInVariable(L"WORKAREAWIDTH", buffer);
_itow_s(r.bottom - r.top, buffer, 10);
SetBuiltInVariable(L"WORKAREAHEIGHT", buffer);
// Set default SCREENAREA
r.left = 0;
r.top = 0;
r.right = GetSystemMetrics(SM_CXSCREEN);
r.bottom = GetSystemMetrics(SM_CYSCREEN);
_itow_s(r.left, buffer, 10);
SetBuiltInVariable(L"SCREENAREAX", buffer);
_itow_s(r.top, buffer, 10);
SetBuiltInVariable(L"SCREENAREAY", buffer);
_itow_s(r.right - r.left, buffer, 10);
SetBuiltInVariable(L"SCREENAREAWIDTH", buffer);
_itow_s(r.bottom - r.top, buffer, 10);
SetBuiltInVariable(L"SCREENAREAHEIGHT", buffer);
}
}
}
/*
** Replaces environment and internal variables in the given string.
**
*/
bool CConfigParser::ReplaceVariables(std::wstring& result)
{
bool replaced = false;
CRainmeter::ExpandEnvironmentVariables(result);
if (c_MonitorVariables.empty())
{
SetMultiMonitorVariables(true);
}
// Check for variables (#VAR#)
size_t start = 0, end;
bool loop = true;
do
{
start = result.find(L'#', start);
if (start != std::wstring::npos)
{
size_t si = start + 1;
end = result.find(L'#', si);
if (end != std::wstring::npos)
{
size_t ei = end - 1;
if (si != ei && result[si] == L'*' && result[ei] == L'*')
{
result.erase(ei, 1);
result.erase(si, 1);
start = ei;
}
else
{
std::wstring strVariable = result.substr(si, end - si);
std::wstring strValue;
if (GetVariable(strVariable, strValue))
{
// Variable found, replace it with the value
result.replace(start, end - start + 1, strValue);
start += strValue.length();
replaced = true;
}
else
{
start = end;
}
}
}
else
{
loop = false;
}
}
else
{
loop = false;
}
}
while (loop);
return replaced;
}
/*
** Replaces measures in the given string.
**
*/
bool CConfigParser::ReplaceMeasures(std::wstring& result)
{
bool replaced = false;
// Check for measures ([Measure])
if (!m_Measures.empty())
{
size_t start = 0, end, next;
bool loop = true;
do
{
start = result.find(L'[', start);
if (start != std::wstring::npos)
{
size_t si = start + 1;
end = result.find(L']', si);
if (end != std::wstring::npos)
{
next = result.find(L'[', si);
if (next == std::wstring::npos || end < next)
{
size_t ei = end - 1;
if (si != ei && result[si] == L'*' && result[ei] == L'*')
{
result.erase(ei, 1);
result.erase(si, 1);
start = ei;
}
else
{
std::wstring var = result.substr(si, end - si);
CMeasure* measure = GetMeasure(var);
if (measure)
{
const std::wstring& value = measure->GetStringValue(AUTOSCALE_OFF, 1, -1, false);
// Measure found, replace it with the value
result.replace(start, end - start + 1, value);
start += value.length();
replaced = true;
}
else
{
start = end;
}
}
}
else
{
start = next;
}
}
else
{
loop = false;
}
}
else
{
loop = false;
}
}
while (loop);
}
return replaced;
}
const std::wstring& CConfigParser::ReadString(LPCTSTR section, LPCTSTR key, LPCTSTR defValue, bool bReplaceMeasures)
{
static std::wstring result;
// Clear last status
m_LastUsedStyle.clear();
m_LastReplaced = false;
m_LastDefaultUsed = false;
m_LastValueDefined = false;
const std::wstring strSection = section;
const std::wstring strKey = key;
const std::wstring strDefault = defValue;
const std::wstring& strValue = GetValue(strSection, strKey, strDefault);
if (&strValue == &strDefault)
{
// If the template is defined read the value from there.
if (!m_StyleTemplate.empty())
{
std::vector<std::wstring>::const_reverse_iterator iter = m_StyleTemplate.rbegin();
for ( ; iter != m_StyleTemplate.rend(); ++iter)
{
const std::wstring& strStyleValue = GetValue((*iter), strKey, strDefault);
//LogWithArgs(LOG_DEBUG, L"StyleTemplate: [%s] %s (from [%s]) : strDefault=%s (0x%p), strStyleValue=%s (0x%p)",
// section, key, (*iter).c_str(), strDefault.c_str(), &strDefault, strStyleValue.c_str(), &strStyleValue);
if (&strStyleValue != &strDefault)
{
result = strStyleValue;
m_LastUsedStyle = (*iter);
break;
}
}
}
if (m_LastUsedStyle.empty()) // No template found
{
result = strDefault;
m_LastDefaultUsed = true;
return result;
}
}
else
{
result = strValue;
}
if (!result.empty())
{
m_LastValueDefined = true;
if (result.size() >= 3)
{
if (result.find(L'#') != std::wstring::npos)
{
SetCurrentSection(strSection); // Set temporarily
if (ReplaceVariables(result))
{
m_LastReplaced = true;
}
ClearCurrentSection(); // Reset
}
else
{
CRainmeter::ExpandEnvironmentVariables(result);
}
if (bReplaceMeasures && ReplaceMeasures(result))
{
m_LastReplaced = true;
}
}
}
return result;
}
bool CConfigParser::IsKeyDefined(LPCTSTR section, LPCTSTR key)
{
ReadString(section, key, L"", false);
return !m_LastDefaultUsed;
}
bool CConfigParser::IsValueDefined(LPCTSTR section, LPCTSTR key)
{
ReadString(section, key, L"", false);
return m_LastValueDefined;
}
void CConfigParser::AddMeasure(CMeasure* pMeasure)
{
if (pMeasure)
{
m_Measures[StrToUpper(pMeasure->GetOriginalName())] = pMeasure;
}
}
CMeasure* CConfigParser::GetMeasure(const std::wstring& name)
{
std::unordered_map<std::wstring, CMeasure*>::const_iterator iter = m_Measures.find(StrToUpper(name));
if (iter != m_Measures.end())
{
return (*iter).second;
}
return NULL;
}
std::vector<Gdiplus::REAL> CConfigParser::ReadFloats(LPCTSTR section, LPCTSTR key)
{
std::vector<Gdiplus::REAL> result;
const std::wstring& string = ReadString(section, key, L"");
if (!string.empty())
{
// Tokenize and parse the floats
std::vector<std::wstring> tokens = Tokenize(string, L";");
std::vector<std::wstring>::const_iterator iter = tokens.begin();
for ( ; iter != tokens.end(); ++iter)
{
result.push_back((Gdiplus::REAL)ParseDouble((*iter).c_str(), 0.0));
}
}
return result;
}
int CConfigParser::ReadInt(LPCTSTR section, LPCTSTR key, int defValue)
{
const std::wstring& result = ReadString(section, key, L"");
if (!m_LastDefaultUsed)
{
const WCHAR* string = result.c_str();
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (int)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s in key \"%s\" in [%s]", errMsg, key, section);
}
else if (*string)
{
errno = 0;
int intValue = wcstol(string, NULL, 10);
if (errno != ERANGE)
{
return intValue;
}
}
}
return defValue;
}
uint32_t CConfigParser::ReadUInt(LPCTSTR section, LPCTSTR key, uint32_t defValue)
{
const std::wstring& result = ReadString(section, key, L"");
if (!m_LastDefaultUsed)
{
const WCHAR* string = result.c_str();
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (uint32_t)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s in key \"%s\" in [%s]", errMsg, key, section);
}
else if (*string)
{
errno = 0;
uint32_t uintValue = wcstoul(string, NULL, 10);
if (errno != ERANGE)
{
return uintValue;
}
}
}
return defValue;
}
uint64_t CConfigParser::ReadUInt64(LPCTSTR section, LPCTSTR key, uint64_t defValue)
{
const std::wstring& result = ReadString(section, key, L"");
if (!m_LastDefaultUsed)
{
const WCHAR* string = result.c_str();
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (uint64_t)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s in key \"%s\" in [%s]", errMsg, key, section);
}
else if (*string)
{
errno = 0;
uint64_t uint64Value = _wcstoui64(string, NULL, 10);
if (errno != ERANGE)
{
return uint64Value;
}
}
}
return defValue;
}
double CConfigParser::ReadFloat(LPCTSTR section, LPCTSTR key, double defValue)
{
const std::wstring& result = ReadString(section, key, L"");
if (!m_LastDefaultUsed)
{
double value;
const WCHAR* string = result.c_str();
if (*string == L'(')
{
const WCHAR* errMsg = MathParser::CheckedParse(string, &value);
if (!errMsg)
{
return value;
}
LogWithArgs(LOG_ERROR, L"Formula: %s in key \"%s\" in [%s]", errMsg, key, section);
}
else if (*string)
{
errno = 0;
value = wcstod(string, NULL);
if (errno != ERANGE)
{
return value;
}
}
}
return defValue;
}
// Returns true if the formula was read successfully, false for failure.
bool CConfigParser::ParseFormula(const std::wstring& formula, double* resultValue)
{
// Formulas must be surrounded by parenthesis
if (!formula.empty() && formula[0] == L'(' && formula[formula.size() - 1] == L')')
{
const WCHAR* string = formula.c_str();
const WCHAR* errMsg = MathParser::CheckedParse(string, resultValue);
if (errMsg != NULL)
{
LogWithArgs(LOG_ERROR, L"Formula: %s: %s", errMsg, string);
return false;
}
return true;
}
return false;
}
ARGB CConfigParser::ReadColor(LPCTSTR section, LPCTSTR key, ARGB defValue)
{
const std::wstring& result = ReadString(section, key, L"");
return (m_LastDefaultUsed) ? defValue : ParseColor(result.c_str());
}
Rect CConfigParser::ReadRect(LPCTSTR section, LPCTSTR key, const Rect& defValue)
{
const std::wstring& result = ReadString(section, key, L"");
return (m_LastDefaultUsed) ? defValue : ParseRect(result.c_str());
}
RECT CConfigParser::ReadRECT(LPCTSTR section, LPCTSTR key, const RECT& defValue)
{
const std::wstring& result = ReadString(section, key, L"");
RECT r;
if (m_LastDefaultUsed)
{
r = defValue;
}
else
{
r = ParseRECT(result.c_str());
}
return r;
}
/*
** Splits the string from the delimiters
**
** http://www.digitalpeer.com/id/simple
*/
std::vector<std::wstring> CConfigParser::Tokenize(const std::wstring& str, const std::wstring& delimiters)
{
std::vector<std::wstring> tokens;
std::wstring::size_type lastPos = str.find_first_not_of(delimiters, 0); // skip delimiters at beginning.
std::wstring::size_type pos = str.find_first_of(delimiters, lastPos); // find first "non-delimiter".
while (std::wstring::npos != pos || std::wstring::npos != lastPos)
{
tokens.push_back(str.substr(lastPos, pos - lastPos)); // found a token, add it to the vector.
lastPos = str.find_first_not_of(delimiters, pos); // skip delimiters. Note the "not_of"
pos = str.find_first_of(delimiters, lastPos); // find next "non-delimiter"
}
return tokens;
}
/*
** Trims empty element in vector and white-space in each string.
**
*/
void CConfigParser::Shrink(std::vector<std::wstring>& vec)
{
if (!vec.empty())
{
std::vector<std::wstring>::reverse_iterator iter = vec.rbegin();
while (iter != vec.rend())
{
std::wstring::size_type pos = (*iter).find_first_not_of(L" \t\r\n");
if (pos != std::wstring::npos)
{
std::wstring::size_type lastPos = (*iter).find_last_not_of(L" \t\r\n");
if (pos != 0 || lastPos != ((*iter).size() - 1))
{
// Trim white-space
(*iter).assign((*iter), pos, lastPos - pos + 1);
}
++iter;
}
else
{
// Remove empty element
vec.erase((++iter).base());
}
}
}
}
/*
** Helper method that parses the floating-point value from the given string.
** If the given string is invalid format or causes overflow/underflow, returns given default value.
**
*/
double CConfigParser::ParseDouble(LPCTSTR string, double defValue)
{
assert(string);
double value;
if (*string == L'(')
{
const WCHAR* errMsg = MathParser::CheckedParse(string, &value);
if (!errMsg)
{
return value;
}
LogWithArgs(LOG_ERROR, L"Formula: %s: %s", errMsg, string);
}
else if (*string)
{
errno = 0;
double value = wcstod(string, NULL);
if (errno != ERANGE)
{
return value;
}
}
return defValue;
}
/*
** Helper method that parses the integer value from the given string.
** If the given string is invalid format or causes overflow/underflow, returns given default value.
**
*/
int CConfigParser::ParseInt(LPCTSTR string, int defValue)
{
assert(string);
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (int)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s: %s", errMsg, string);
}
else if (*string)
{
errno = 0;
int intValue = wcstol(string, NULL, 10);
if (errno != ERANGE)
{
return intValue;
}
}
return defValue;
}
/*
** Helper method that parses the unsigned integer value from the given string.
** If the given string is invalid format or causes overflow/underflow, returns given default value.
**
*/
uint32_t CConfigParser::ParseUInt(LPCTSTR string, uint32_t defValue)
{
assert(string);
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (uint32_t)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s: %s", errMsg, string);
}
else if (*string)
{
errno = 0;
uint32_t uintValue = wcstoul(string, NULL, 10);
if (errno != ERANGE)
{
return uintValue;
}
}
return defValue;
}
/*
** Helper method that parses the 64bit unsigned integer value from the given string.
** If the given string is invalid format or causes overflow/underflow, returns given default value.
**
*/
uint64_t CConfigParser::ParseUInt64(LPCTSTR string, uint64_t defValue)
{
assert(string);
if (*string == L'(')
{
double dblValue;
const WCHAR* errMsg = MathParser::CheckedParse(string, &dblValue);
if (!errMsg)
{
return (uint64_t)dblValue;
}
LogWithArgs(LOG_ERROR, L"Formula: %s: %s", errMsg, string);
}
else if (*string)
{
errno = 0;
uint64_t uint64Value = _wcstoui64(string, NULL, 10);
if (errno != ERANGE)
{
return uint64Value;
}
}
return defValue;
}
/*
** Helper template that parses four comma separated values from the given string.
**
*/
template <typename T>
bool ParseInt4(LPCTSTR string, T& v1, T& v2, T& v3, T& v4)
{
if (wcschr(string, L','))
{
WCHAR* parseSz = _wcsdup(string);
WCHAR* token;
token = wcstok(parseSz, L",");
if (token)
{
v1 = CConfigParser::ParseInt(token, 0);
token = wcstok(NULL, L",");
if (token)
{
v2 = CConfigParser::ParseInt(token, 0);
token = wcstok(NULL, L",");
if (token)
{
v3 = CConfigParser::ParseInt(token, 0);
token = wcstok(NULL, L",");
if (token)
{
v4 = CConfigParser::ParseInt(token, 0);
}
}
}
}
free(parseSz);
return true;
}
return false;
}
/*
** Helper method that parses the color values from the given string.
** The color can be supplied as three/four comma separated values or as one
** hex-value.
**
*/
ARGB CConfigParser::ParseColor(LPCTSTR string)
{
int R = 255, G = 255, B = 255, A = 255;
if (!ParseInt4(string, R, G, B, A))
{
if (wcsncmp(string, L"0x", 2) == 0)
{
string += 2; // skip prefix
}
size_t len = wcslen(string);
if (len >= 8 && !iswspace(string[6]))
{
swscanf(string, L"%02x%02x%02x%02x", &R, &G, &B, &A);
}
else if (len >= 6)
{
swscanf(string, L"%02x%02x%02x", &R, &G, &B);
}
}
return Color::MakeARGB(A, R, G, B);
}
/*
** Helper method that parses the Gdiplus::Rect values from the given string.
** The rect can be supplied as four comma separated values (X/Y/Width/Height).
**
*/
Rect CConfigParser::ParseRect(LPCTSTR string)
{
Rect r;
ParseInt4(string, r.X, r.Y, r.Width, r.Height);
return r;
}
/*
** Helper method that parses the RECT values from the given string.
** The rect can be supplied as four comma separated values (left/top/right/bottom).
**
*/
RECT CConfigParser::ParseRECT(LPCTSTR string)
{
RECT r = {0};
ParseInt4(string, r.left, r.top, r.right, r.bottom);
return r;
}
/*
** Reads the given ini file and fills the m_Values and m_Keys maps.
**
*/
void CConfigParser::ReadIniFile(const std::wstring& iniFile, LPCTSTR config, int depth)
{
if (depth > 100) // Is 100 enough to assume the include loop never ends?
{
MessageBox(NULL, GetString(ID_STR_INCLUDEINFINITELOOP), APPNAME, MB_OK | MB_TOPMOST | MB_ICONERROR);
return;
}
// Verify whether the file exists
if (_waccess(iniFile.c_str(), 0) == -1)
{
LogWithArgs(LOG_ERROR, L"Unable to read file: %s", iniFile.c_str());
return;
}
// Avoid "IniFileMapping"
std::wstring iniRead = CSystem::GetTemporaryFile(iniFile);
bool temporary = (!iniRead.empty() && (iniRead.size() != 1 || iniRead[0] != L'?'));
if (temporary)
{
if (Rainmeter->GetDebug()) LogWithArgs(LOG_DEBUG, L"Reading file: %s (Temp: %s)", iniFile.c_str(), iniRead.c_str());
}
else
{
if (Rainmeter->GetDebug()) LogWithArgs(LOG_DEBUG, L"Reading file: %s", iniFile.c_str());
iniRead = iniFile;
}
// Get all the sections (i.e. different meters)
std::list<std::wstring> sections;
std::unordered_set<std::wstring> unique;
std::wstring key, value; // buffer
DWORD itemsSize = MAX_LINE_LENGTH;
WCHAR* items = new WCHAR[itemsSize];
WCHAR* pos = NULL;
WCHAR* epos = NULL;
if (config == NULL)
{
// Get all the sections
do
{
items[0] = 0;
DWORD res = GetPrivateProfileSectionNames(items, itemsSize, iniRead.c_str());
if (res == 0) // File not found
{
delete [] items;
if (temporary) CSystem::RemoveFile(iniRead);
return;
}
if (res < itemsSize - 2) // Fits in the buffer
{
epos = items + res;
break;
}
delete [] items;
itemsSize *= 2;
items = new WCHAR[itemsSize];
}
while (true);
// Read the sections
pos = items;
while (pos < epos)
{
if (*pos)
{
value = pos; // section name
StrToUpperC(key.assign(value));
if (unique.insert(key).second)
{
if (m_FoundSections.insert(key).second)
{
m_Sections.push_back(value);
}
sections.push_back(value);
}
pos += value.size() + 1;
}
else // Empty string
{
++pos;
}
}
}
else
{
// Special case: Read only "Rainmeter" and specified section from "Rainmeter.ini"
const std::wstring strRainmeter = L"Rainmeter";
const std::wstring strConfig = config;
sections.push_back(strRainmeter);
sections.push_back(strConfig);
if (depth == 0) // Add once
{
m_Sections.push_back(strRainmeter);
m_Sections.push_back(strConfig);
}
}
// Read the keys and values
std::list<std::wstring>::const_iterator iter = sections.begin();
for ( ; iter != sections.end(); ++iter)
{
unique.clear();
const WCHAR* sectionName = (*iter).c_str();
bool isVariables = (_wcsicmp(sectionName, L"Variables") == 0);
bool isMetadata = (config == NULL && !isVariables && _wcsicmp(sectionName, L"Metadata") == 0);
// Read all "key=value" from the section
do
{
items[0] = 0;
DWORD res = GetPrivateProfileSection(sectionName, items, itemsSize, iniRead.c_str());
if (res < itemsSize - 2) // Fits in the buffer
{
epos = items + res;
break;
}
delete [] items;
itemsSize *= 2;
items = new WCHAR[itemsSize];
}
while (true);
pos = items;
while (pos < epos)
{
if (*pos)
{
size_t len = wcslen(pos);
WCHAR* sep = wmemchr(pos, L'=', len);
if (sep != NULL && sep != pos)
{
size_t clen = sep - pos; // key's length
StrToUpperC(key.assign(pos, clen));
if (unique.insert(key).second)
{
++sep;
clen = len - (clen + 1); // value's length
// Trim surrounded quotes from value
if (clen >= 2 && (sep[0] == L'"' || sep[0] == L'\'') && sep[clen - 1] == sep[0])
{
clen -= 2;
++sep;
}
if (wcsncmp(key.c_str(), L"@INCLUDE", 8) == 0)
{
if (clen > 0)
{
value.assign(sep, clen);
ReadVariables();
ReplaceVariables(value);
if (!CSystem::IsAbsolutePath(value))
{
// Relative to the ini folder
value.insert(0, CRainmeter::ExtractPath(iniFile));
}
ReadIniFile(value, config, depth + 1);
}
}
else
{
if (!isMetadata) // Uncache Metadata's key-value pair in the skin
{
value.assign(sep, clen);
SetValue((*iter), key, value);
if (isVariables)
{
m_ListVariables.push_back(key);
}
}
}
}
}
pos += len + 1;
}
else // Empty string
{
++pos;
}
}
}
delete [] items;
if (temporary) CSystem::RemoveFile(iniRead);
}
/*
** Sets the value for the key under the given section.
**
*/
void CConfigParser::SetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strValue)
{
// LogWithArgs(LOG_DEBUG, L"[%s] %s=%s (size: %i)", strSection.c_str(), strKey.c_str(), strValue.c_str(), (int)m_Values.size());
std::wstring strTmp;
strTmp.reserve(strSection.size() + 1 + strKey.size());
strTmp = strSection;
strTmp += L'~';
strTmp += strKey;
m_Values[StrToUpperC(strTmp)] = strValue;
}
/*
** Deletes the value for the key under the given section.
**
*/
void CConfigParser::DeleteValue(const std::wstring& strSection, const std::wstring& strKey)
{
std::wstring strTmp;
strTmp.reserve(strSection.size() + 1 + strKey.size());
strTmp = strSection;
strTmp += L'~';
strTmp += strKey;
std::unordered_map<std::wstring, std::wstring>::const_iterator iter = m_Values.find(StrToUpperC(strTmp));
if (iter != m_Values.end())
{
m_Values.erase(iter);
}
}
/*
** Returns the value for the key under the given section.
**
*/
const std::wstring& CConfigParser::GetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strDefault)
{
std::wstring strTmp;
strTmp.reserve(strSection.size() + 1 + strKey.size());
strTmp = strSection;
strTmp += L'~';
strTmp += strKey;
std::unordered_map<std::wstring, std::wstring>::const_iterator iter = m_Values.find(StrToUpperC(strTmp));
return (iter != m_Values.end()) ? (*iter).second : strDefault;
}