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rainmeter-studio/Library/ConfigParser.cpp
spx 614eef6c3b - Added some info to error message from MathParser. 
- Cosmetic changes.
2011-08-29 21:57:36 +00:00

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/*
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "StdAfx.h"
#include "ConfigParser.h"
#include "Litestep.h"
#include "Rainmeter.h"
#include "System.h"
#include "Measure.h"
extern CRainmeter* Rainmeter;
using namespace Gdiplus;
std::unordered_map<std::wstring, std::wstring> CConfigParser::c_MonitorVariables;
/*
** CConfigParser
**
** The constructor
**
*/
CConfigParser::CConfigParser() :
m_Parser(MathParser_Create(NULL)),
m_LastReplaced(false),
m_LastDefaultUsed(false)
{
}
/*
** ~CConfigParser
**
** The destructor
**
*/
CConfigParser::~CConfigParser()
{
MathParser_Destroy(m_Parser);
}
/*
** Initialize
**
**
*/
void CConfigParser::Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterWindow* meterWindow, LPCTSTR config)
{
m_Filename = filename;
m_BuiltInVariables.clear();
m_Variables.clear();
m_Measures.clear();
m_Values.clear();
m_Sections.clear();
m_FoundSections.clear();
m_ListVariables.clear();
// Set the built-in variables. Do this before the ini file is read so that the paths can be used with @include
SetBuiltInVariables(pRainmeter, meterWindow);
ResetMonitorVariables(meterWindow);
std::vector<std::wstring> iniFileMappings;
CSystem::GetIniFileMappingList(iniFileMappings);
ReadIniFile(iniFileMappings, m_Filename, config);
ReadVariables();
// Clear and minimize
std::vector<std::wstring>().swap(m_ListVariables);
}
/*
** SetBuiltInVariables
**
**
*/
void CConfigParser::SetBuiltInVariables(CRainmeter* pRainmeter, CMeterWindow* meterWindow)
{
if (pRainmeter)
{
SetBuiltInVariable(L"PROGRAMPATH", pRainmeter->GetPath());
SetBuiltInVariable(L"PROGRAMDRIVE", pRainmeter->GetDrive());
SetBuiltInVariable(L"SETTINGSPATH", pRainmeter->GetSettingsPath());
SetBuiltInVariable(L"SKINSPATH", pRainmeter->GetSkinPath());
SetBuiltInVariable(L"PLUGINSPATH", pRainmeter->GetPluginPath());
SetBuiltInVariable(L"CURRENTPATH", CRainmeter::ExtractPath(m_Filename));
SetBuiltInVariable(L"ADDONSPATH", pRainmeter->GetAddonPath());
SetBuiltInVariable(L"CRLF", L"\n");
}
if (meterWindow)
{
SetBuiltInVariable(L"CURRENTCONFIG", meterWindow->GetSkinName());
SetBuiltInVariable(L"ROOTCONFIGPATH", meterWindow->GetSkinRootPath());
}
}
/*
** ReadVariables
**
** Sets all user-defined variables.
**
*/
void CConfigParser::ReadVariables()
{
for (size_t i = 0, isize = m_ListVariables.size(); i < isize; ++i)
{
SetVariable(m_ListVariables[i], ReadString(L"Variables", m_ListVariables[i].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.
**
** \param variables
** \param strVariable
** \param strValue
*/
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());
variables[StrToLower(strVariable)] = strValue;
}
/**
** Gets a value for the variable.
**
** \param strVariable
** \param strValue
** \return true if variable is found
*/
bool CConfigParser::GetVariable(const std::wstring& strVariable, std::wstring& strValue)
{
std::wstring strTmp = StrToLower(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;
}
/*
** ResetMonitorVariables
**
**
*/
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);
}
/*
** SetMultiMonitorVariables
**
** 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);
_snwprintf_s(buffer, _TRUNCATE, L"%i", workArea.left);
SetMonitorVariable(L"WORKAREAX", buffer);
SetMonitorVariable(L"PWORKAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", workArea.top);
SetMonitorVariable(L"WORKAREAY", buffer);
SetMonitorVariable(L"PWORKAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", workArea.right - workArea.left);
SetMonitorVariable(L"WORKAREAWIDTH", buffer);
SetMonitorVariable(L"PWORKAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", workArea.bottom - workArea.top);
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);
_snwprintf_s(buffer, _TRUNCATE, L"%i", scrArea.left);
SetMonitorVariable(L"SCREENAREAX", buffer);
SetMonitorVariable(L"PSCREENAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", scrArea.top);
SetMonitorVariable(L"SCREENAREAY", buffer);
SetMonitorVariable(L"PSCREENAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", scrArea.right - scrArea.left);
SetMonitorVariable(L"SCREENAREAWIDTH", buffer);
SetMonitorVariable(L"PSCREENAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", scrArea.bottom - scrArea.top);
SetMonitorVariable(L"SCREENAREAHEIGHT", buffer);
SetMonitorVariable(L"PSCREENAREAHEIGHT", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", GetSystemMetrics(SM_XVIRTUALSCREEN));
SetMonitorVariable(L"VSCREENAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", GetSystemMetrics(SM_YVIRTUALSCREEN));
SetMonitorVariable(L"VSCREENAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", GetSystemMetrics(SM_CXVIRTUALSCREEN));
SetMonitorVariable(L"VSCREENAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", GetSystemMetrics(SM_CYVIRTUALSCREEN));
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;
_snwprintf_s(buffer, _TRUNCATE, L"%i", work.left);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAX@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", work.top);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAY@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", work.right - work.left);
_snwprintf_s(buffer2, _TRUNCATE, L"WORKAREAWIDTH@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", work.bottom - work.top);
_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;
_snwprintf_s(buffer, _TRUNCATE, L"%i", screen.left);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAX@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", screen.top);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAY@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", screen.right - screen.left);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAWIDTH@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", screen.bottom - screen.top);
_snwprintf_s(buffer2, _TRUNCATE, L"SCREENAREAHEIGHT@%i", (int)i + 1);
SetMonitorVariable(buffer2, buffer);
}
}
}
}
/*
** SetAutoSelectedMonitorVariables
**
** 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;
}
_snwprintf_s(buffer, _TRUNCATE, L"%i", w1);
SetBuiltInVariable(L"WORKAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", w2);
SetBuiltInVariable(L"WORKAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", s1);
SetBuiltInVariable(L"SCREENAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", s2);
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;
}
_snwprintf_s(buffer, _TRUNCATE, L"%i", w1);
SetBuiltInVariable(L"WORKAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", w2);
SetBuiltInVariable(L"WORKAREAHEIGHT", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", s1);
SetBuiltInVariable(L"SCREENAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", s2);
SetBuiltInVariable(L"SCREENAREAHEIGHT", buffer);
}
else
{
RECT r;
// Set default WORKAREA
SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.left);
SetBuiltInVariable(L"WORKAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.top);
SetBuiltInVariable(L"WORKAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.right - r.left);
SetBuiltInVariable(L"WORKAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.bottom - r.top);
SetBuiltInVariable(L"WORKAREAHEIGHT", buffer);
// Set default SCREENAREA
r.left = 0;
r.top = 0;
r.right = GetSystemMetrics(SM_CXSCREEN);
r.bottom = GetSystemMetrics(SM_CYSCREEN);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.left);
SetBuiltInVariable(L"SCREENAREAX", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.top);
SetBuiltInVariable(L"SCREENAREAY", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.right - r.left);
SetBuiltInVariable(L"SCREENAREAWIDTH", buffer);
_snwprintf_s(buffer, _TRUNCATE, L"%i", r.bottom - r.top);
SetBuiltInVariable(L"SCREENAREAHEIGHT", buffer);
}
}
}
/**
** Replaces environment and internal variables in the given string.
**
** \param result The string where the variables are returned. The string is modified.
*/
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;
size_t end = std::wstring::npos;
size_t pos = std::wstring::npos;
bool loop = true;
do
{
pos = result.find(L'#', start);
if (pos != std::wstring::npos)
{
end = result.find(L'#', pos + 1);
if (end != std::wstring::npos)
{
if (result[pos + 1] == L'*' && result[end - 1] == L'*')
{
result.erase(pos + 1, 1);
result.erase(end - 2, 1);
start = end - 1;
}
else
{
std::wstring strVariable = result.substr(pos + 1, end - (pos + 1));
std::wstring strValue;
if (GetVariable(strVariable, strValue))
{
// Variable found, replace it with the value
result.replace(pos, end - pos + 1, strValue);
start = pos + strValue.length();
replaced = true;
}
else
{
start = end;
}
}
}
else
{
loop = false;
}
}
else
{
loop = false;
}
} while (loop);
return replaced;
}
/**
** Replaces measures in the given string.
**
** \param result The string where the measure values are returned. The string is modified.
*/
bool CConfigParser::ReplaceMeasures(std::wstring& result)
{
bool replaced = false;
// Check for measures ([Measure])
if (!m_Measures.empty())
{
size_t start = 0;
size_t end = std::wstring::npos;
size_t pos = std::wstring::npos;
size_t pos2 = std::wstring::npos;
bool loop = true;
do
{
pos = result.find(L'[', start);
if (pos != std::wstring::npos)
{
end = result.find(L']', pos + 1);
if (end != std::wstring::npos)
{
pos2 = result.find(L'[', pos + 1);
if (pos2 == std::wstring::npos || end < pos2)
{
if (result[pos + 1] == L'*' && result[end - 1] == L'*')
{
result.erase(pos + 1, 1);
result.erase(end - 2, 1);
start = end - 1;
}
else
{
std::wstring var = result.substr(pos + 1, end - (pos + 1));
CMeasure* measure = GetMeasure(var);
if (measure)
{
std::wstring value = measure->GetStringValue(AUTOSCALE_OFF, 1, -1, false);
// Measure found, replace it with the value
result.replace(pos, end - pos + 1, value);
start = pos + value.length();
replaced = true;
}
else
{
start = end;
}
}
}
else
{
start = pos2;
}
}
else
{
loop = false;
}
}
else
{
loop = false;
}
} while (loop);
}
return replaced;
}
/*
** ReadString
**
**
*/
const std::wstring& CConfigParser::ReadString(LPCTSTR section, LPCTSTR key, LPCTSTR defValue, bool bReplaceMeasures)
{
static std::wstring result;
if (section == NULL)
{
section = L"";
}
if (key == NULL)
{
key = L"";
}
if (defValue == NULL)
{
defValue = L"";
}
// Clear last status
m_LastUsedStyle.clear();
m_LastReplaced = false;
m_LastDefaultUsed = false;
std::wstring strDefault = defValue;
// If the template is defined read the value first from there.
if (m_StyleTemplate.size() > 0)
{
std::vector<std::wstring>::const_reverse_iterator iter = m_StyleTemplate.rbegin();
for ( ; iter != m_StyleTemplate.rend(); ++iter)
{
if ((*iter).size() > 0)
{
std::wstring::size_type pos = (*iter).find_first_not_of(L" \t\r\n");
if (pos != std::wstring::npos)
{
// Trim white-space
std::wstring strSection((*iter), pos, (*iter).find_last_not_of(L" \t\r\n") - pos + 1);
const std::wstring& strStyle = GetValue(strSection, key, strDefault);
//LogWithArgs(LOG_DEBUG, L"[%s] %s (from [%s]) : strDefault=%s (0x%p), strStyle=%s (0x%p)",
// section, key, strSection.c_str(), strDefault.c_str(), &strDefault, strStyle.c_str(), &strStyle);
if (&strStyle != &strDefault)
{
strDefault = strStyle;
m_LastUsedStyle = strSection;
break;
}
}
}
}
}
const std::wstring& strValue = GetValue(section, key, strDefault);
result = strValue;
if (m_LastUsedStyle.size() > 0)
{
if (&strValue != &strDefault)
{
m_LastUsedStyle.clear();
}
}
else
{
if (&strValue == &strDefault)
{
m_LastDefaultUsed = true;
return result;
}
}
// Check Litestep vars
if (Rainmeter && !Rainmeter->GetDummyLitestep())
{
std::string ansi = ConvertToAscii(result.c_str());
if (ansi.size() < 4096)
{
char* buffer = new char[4096]; // lets hope the buffer is large enough...
VarExpansion(buffer, ansi.c_str());
result = ConvertToWide(buffer);
delete [] buffer;
}
}
SetBuiltInVariable(L"CURRENTSECTION", section); // Set temporarily
if (ReplaceVariables(result))
{
m_LastReplaced = true;
}
SetBuiltInVariable(L"CURRENTSECTION", L""); // Reset
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)
{
const std::wstring& result = ReadString(section, key, L"", false);
return (!m_LastDefaultUsed && result.size() > 0);
}
void CConfigParser::AddMeasure(CMeasure* pMeasure)
{
if (pMeasure)
{
m_Measures[StrToLower(pMeasure->GetName())] = pMeasure;
}
}
CMeasure* CConfigParser::GetMeasure(const std::wstring& name)
{
std::unordered_map<std::wstring, CMeasure*>::const_iterator iter = m_Measures.find(StrToLower(name));
if (iter != m_Measures.end())
{
return (*iter).second;
}
return NULL;
}
double CConfigParser::ReadFloat(LPCTSTR section, LPCTSTR key, double defValue)
{
const std::wstring& result = ReadString(section, key, L"");
return (m_LastDefaultUsed) ? defValue : ParseDouble(result, defValue);
}
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.size() > 0)
{
std::wstring tmp = string;
if (tmp[tmp.length() - 1] != L';')
{
tmp += L";";
}
// Tokenize and parse the floats
std::vector<std::wstring> tokens = Tokenize(tmp, L";");
for (size_t i = 0, isize = tokens.size(); i < isize; ++i)
{
result.push_back((Gdiplus::REAL)ParseDouble(tokens[i], 0));
}
}
return result;
}
int CConfigParser::ReadInt(LPCTSTR section, LPCTSTR key, int defValue)
{
const std::wstring& result = ReadString(section, key, L"");
return (m_LastDefaultUsed) ? defValue : (int)ParseDouble(result, defValue, true);
}
unsigned int CConfigParser::ReadUInt(LPCTSTR section, LPCTSTR key, unsigned int defValue)
{
const std::wstring& result = ReadString(section, key, L"");
return (m_LastDefaultUsed) ? defValue : (unsigned int)ParseDouble(result, defValue, true);
}
// Works as ReadFloat except if the value is surrounded by parenthesis in which case it tries to evaluate the formula
double CConfigParser::ReadFormula(LPCTSTR section, LPCTSTR key, double defValue)
{
const std::wstring& result = ReadString(section, key, L"");
// Formulas must be surrounded by parenthesis
if (result.size() > 0 && result[0] == L'(' && result[result.size() - 1] == L')')
{
double resultValue = defValue;
char* errMsg = MathParser_Parse(m_Parser, ConvertToAscii(result.substr(1, result.size() - 2).c_str()).c_str(), &resultValue);
if (errMsg != NULL)
{
std::wstring error = L"ReadFormula: ";
error += ConvertToWide(errMsg);
error += L" in key \"";
error += key ? key : L"";
error += L"\" in section [";
error += section ? section : L"";
error += L"].";
Log(LOG_ERROR, error.c_str());
}
return resultValue;
}
return (m_LastDefaultUsed) ? defValue : ParseDouble(result, defValue);
}
// Returns true if the formula was read successfully, false for failure.
// Pass a pointer to a double.
bool CConfigParser::ReadFormula(const std::wstring& result, double* resultValue)
{
// Formulas must be surrounded by parenthesis
if (result.size() > 0 && result[0] == L'(' && result[result.size() - 1] == L')')
{
char* errMsg = MathParser_Parse(m_Parser, ConvertToAscii(result.substr(1, result.size() - 2).c_str()).c_str(), resultValue);
if (errMsg != NULL)
{
std::wstring error = L"ReadFormula: ";
error += ConvertToWide(errMsg);
error += L": ";
error += result;
Log(LOG_ERROR, error.c_str());
return false;
}
return true;
}
return false;
}
Color CConfigParser::ReadColor(LPCTSTR section, LPCTSTR key, const Color& 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"");
return (m_LastDefaultUsed) ? defValue : ParseRECT(result.c_str());
}
/*
** Tokenize
**
** 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;
}
/*
** ParseDouble
**
** This is a 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(const std::wstring& string, double defValue, bool rejectExp)
{
std::wstring::size_type pos;
// Ignore inline comments which start with ';'
if ((pos = string.find_first_of(L';')) != std::wstring::npos)
{
std::wstring temp(string, 0, pos);
return ParseDouble(temp, defValue, rejectExp);
}
if (rejectExp)
{
// Reject if the given string includes the exponential part
if (string.find_last_of(L"dDeE") != std::wstring::npos)
{
return defValue;
}
}
if ((pos = string.find_first_not_of(L" \t\r\n")) != std::wstring::npos)
{
// Trim white-space
std::wstring temp(string, pos, string.find_last_not_of(L" \t\r\n") - pos + 1);
WCHAR* end = NULL;
errno = 0;
double resultValue = wcstod(temp.c_str(), &end);
if (end && *end == L'\0' && errno != ERANGE)
{
return resultValue;
}
}
return defValue;
}
/*
** ParseColor
**
** This is a 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.
**
*/
Color CConfigParser::ParseColor(LPCTSTR string)
{
int R = 255, G = 255, B = 255, A = 255;
if (wcschr(string, L','))
{
WCHAR* parseSz = _wcsdup(string);
WCHAR* token;
token = wcstok(parseSz, L",");
if (token)
{
R = _wtoi(token);
R = max(R, 0);
R = min(R, 255);
}
token = wcstok(NULL, L",");
if (token)
{
G = _wtoi(token);
G = max(G, 0);
G = min(G, 255);
}
token = wcstok(NULL, L",");
if (token)
{
B = _wtoi(token);
B = max(B, 0);
B = min(B, 255);
}
token = wcstok(NULL, L",");
if (token)
{
A = _wtoi(token);
A = max(A, 0);
A = min(A, 255);
}
free(parseSz);
}
else
{
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(A, R, G, B);
}
/*
** ParseInt4
**
** This is a helper template that parses four comma separated values from the given string.
**
*/
template <typename T>
void 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 = _wtoi(token);
}
token = wcstok(NULL, L",");
if (token)
{
v2 = _wtoi(token);
}
token = wcstok(NULL, L",");
if (token)
{
v3 = _wtoi(token);
}
token = wcstok(NULL, L",");
if (token)
{
v4 = _wtoi(token);
}
free(parseSz);
}
}
/*
** ParseRect
**
** This is a 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;
}
/*
** ParseRECT
**
** This is a 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.
**
** \param iniFile The ini file to be read.
*/
void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings, const std::wstring& iniFile, LPCTSTR config, int depth)
{
if (depth > 100) // Is 100 enough to assume the include loop never ends?
{
MessageBox(NULL, L"It looks like you've made an infinite\nloop with the @include statements.\nPlease check your skin.", L"Rainmeter", MB_OK | MB_TOPMOST | MB_ICONERROR);
return;
}
// Verify whether the file exists
if (_waccess(iniFile.c_str(), 0) == -1)
{
LogWithArgs(LOG_WARNING, L"Unable to read file: %s", iniFile.c_str());
return;
}
// Avoid "IniFileMapping"
std::wstring iniRead = CSystem::GetTemporaryFile(iniFileMappings, iniFile);
bool temporary = (iniRead.size() > 0 && iniRead != L"<>");
if (temporary)
{
if (CRainmeter::GetDebug()) LogWithArgs(LOG_DEBUG, L"Reading file: %s (Temp: %s)", iniFile.c_str(), iniRead.c_str());
}
else
{
if (CRainmeter::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;
DWORD itemsSize = MAX_LINE_LENGTH;
WCHAR* items = new WCHAR[itemsSize];
WCHAR* pos = NULL;
WCHAR* epos = NULL;
if (config == NULL)
{
// Get all the sections
while (true)
{
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];
}
// Read the sections
pos = items;
while (pos < epos)
{
if (*pos)
{
std::wstring strTmp = StrToLower(pos);
if (m_FoundSections.insert(strTmp).second)
{
m_Sections.push_back(pos);
}
sections.push_back(pos);
pos += strTmp.size() + 1;
}
else // Empty string
{
++pos;
}
}
}
else
{
// Special case: Read only "Rainmeter" and specified section from "Rainmeter.ini"
sections.push_back(L"Rainmeter");
sections.push_back(config);
if (depth == 0) // Add once
{
m_Sections.push_back(L"Rainmeter");
m_Sections.push_back(config);
m_FoundSections.insert(L"rainmeter");
m_FoundSections.insert(StrToLower(config));
}
}
// Read the keys and values
std::list<std::wstring>::const_iterator iter = sections.begin();
for ( ; iter != sections.end(); ++iter)
{
std::unordered_set<std::wstring> foundKeys;
bool isVariables = (_wcsicmp((*iter).c_str(), L"Variables") == 0);
// Read all "key=value" from the section
while (true)
{
items[0] = 0;
DWORD res = GetPrivateProfileSection((*iter).c_str(), 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];
}
pos = items;
while (pos < epos)
{
if (*pos)
{
std::wstring key = pos;
std::wstring::size_type len = key.length(), sep = key.find_first_of(L'=');
if (sep != std::wstring::npos && sep != 0)
{
std::wstring value = key.substr(sep + 1, len - sep);
key.erase(sep);
std::wstring lowerKey = StrToLower(key);
if (foundKeys.insert(lowerKey).second)
{
// Trim surrounded quotes from value
std::wstring::size_type valueLen = value.length();
if (valueLen >= 2 && (
(value[0] == L'\"' && value[valueLen - 1] == L'\"') ||
(value[0] == L'\'' && value[valueLen - 1] == L'\'')))
{
valueLen -= 2;
value.assign(value, 1, valueLen);
}
if (wcsncmp(lowerKey.c_str(), L"@include", 8) == 0)
{
ReadVariables();
ReplaceVariables(value);
if (value.find(L':') == std::wstring::npos &&
(valueLen < 2 || (value[0] != L'\\' && value[0] != L'/') || (value[1] != L'\\' && value[1] != L'/')))
{
// It's a relative path so add the current path as a prefix
value.insert(0, CRainmeter::ExtractPath(iniFile));
}
ReadIniFile(iniFileMappings, value, config, depth + 1);
}
else
{
SetValue((*iter), key, value);
if (isVariables)
{
m_ListVariables.push_back(lowerKey);
}
}
}
}
pos += len + 1;
}
else // Empty string
{
++pos;
}
}
}
delete [] items;
if (temporary) CSystem::RemoveFile(iniRead);
}
//==============================================================================
/**
** Sets the value for the key under the given section.
**
** \param strSection The name of the section.
** \param strKey The name of the key.
** \param strValue The value for the key.
*/
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 = strSection + L"::";
strTmp += strKey;
m_Values[StrToLower(strTmp)] = strValue;
}
//==============================================================================
/**
** Deletes the value for the key under the given section.
**
** \param strSection The name of the section.
** \param strKey The name of the key.
** \param strValue The value for the key.
*/
void CConfigParser::DeleteValue(const std::wstring& strSection, const std::wstring& strKey)
{
std::wstring strTmp = strSection + L"::";
strTmp += strKey;
std::unordered_map<std::wstring, std::wstring>::iterator iter = m_Values.find(StrToLower(strTmp));
if (iter != m_Values.end())
{
m_Values.erase(iter);
}
}
//==============================================================================
/**
** Returns the value for the key under the given section.
**
** \param strSection The name of the section.
** \param strKey The name of the key.
** \param strDefault The default value for the key.
** \return The value for the key.
*/
const std::wstring& CConfigParser::GetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strDefault)
{
std::wstring strTmp = strSection + L"::";
strTmp += strKey;
std::unordered_map<std::wstring, std::wstring>::const_iterator iter = m_Values.find(StrToLower(strTmp));
if (iter != m_Values.end())
{
return (*iter).second;
}
return strDefault;
}
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