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Optimized ConfigParser. Reduced processing time on startup and on refreshing.

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This commit is contained in:
spx 2011-07-06 09:00:44 +00:00
parent c7f9293e9c
commit 4389edb8c1
3 changed files with 81 additions and 82 deletions
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91
Library/ConfigParser.cpp
View File

@ -58,16 +58,17 @@ CConfigParser::~CConfigParser()
**
**
*/
void CConfigParser::Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterWindow* meterWindow)
void CConfigParser::Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterWindow* meterWindow, LPCTSTR config)
{
m_Filename = filename;
m_BuiltInVariables.clear();
m_Variables.clear();
m_Measures.clear();
m_Keys.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);
@ -76,8 +77,10 @@ void CConfigParser::Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterW
std::vector<std::wstring> iniFileMappings;
CSystem::GetIniFileMappingList(iniFileMappings);
ReadIniFile(iniFileMappings, m_Filename);
ReadIniFile(iniFileMappings, m_Filename, config);
ReadVariables();
std::unordered_set<std::wstring>().swap(m_FoundSections); // clear and minimize
}
/*
@ -130,11 +133,9 @@ void CConfigParser::SetBuiltInVariables(CRainmeter* pRainmeter, CMeterWindow* me
*/
void CConfigParser::ReadVariables()
{
std::vector<std::wstring> listVariables = GetKeys(L"Variables");
for (size_t i = 0, isize = listVariables.size(); i < isize; ++i)
for (size_t i = 0, isize = m_ListVariables.size(); i < isize; ++i)
{
SetVariable(listVariables[i], ReadString(L"Variables", listVariables[i].c_str(), L"", false));
SetVariable(m_ListVariables[i], ReadString(L"Variables", m_ListVariables[i].c_str(), L"", false));
}
}
@ -1032,7 +1033,7 @@ RECT CConfigParser::ParseRECT(LPCTSTR string)
**
** \param iniFile The ini file to be read.
*/
void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings, const std::wstring& iniFile, int depth)
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?
{
@ -1062,15 +1063,19 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
}
// Get all the sections (i.e. different meters)
std::list<std::wstring> sections;
WCHAR* items = new WCHAR[MAX_LINE_LENGTH];
int size = MAX_LINE_LENGTH;
DWORD size = MAX_LINE_LENGTH;
WCHAR* pos = NULL;
WCHAR* epos = NULL;
if (config == NULL)
{
// Get all the sections
while (true)
{
items[0] = 0;
int res = GetPrivateProfileString( NULL, NULL, NULL, items, size, iniRead.c_str());
DWORD res = GetPrivateProfileString(NULL, NULL, NULL, items, size, iniRead.c_str());
if (res == 0) // File not found
{
delete [] items;
@ -1089,38 +1094,52 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
}
// Read the sections
std::list<std::wstring> sections;
WCHAR* pos = items;
pos = items;
while (pos < epos)
{
if (*pos)
{
std::wstring strTmp = StrToLower(pos);
if (m_Keys.find(strTmp) == m_Keys.end())
if (m_FoundSections.find(strTmp) == m_FoundSections.end())
{
m_Keys[strTmp] = std::vector<std::wstring>();
m_FoundSections.insert(strTmp);
m_Sections.push_back(pos);
}
sections.push_back(pos);
pos += wcslen(pos) + 1;
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)
{
m_Sections.push_back(L"Rainmeter");
m_Sections.push_back(config);
}
}
// Read the keys and values
int bufferSize = MAX_LINE_LENGTH;
DWORD bufferSize = MAX_LINE_LENGTH;
WCHAR* buffer = new WCHAR[bufferSize];
std::list<std::wstring>::const_iterator iter = sections.begin();
for ( ; iter != sections.end(); ++iter)
{
bool isVariables = (_wcsicmp((*iter).c_str(), L"Variables") == 0);
while (true)
{
items[0] = 0;
int res = GetPrivateProfileString((*iter).c_str(), NULL, NULL, items, size, iniRead.c_str());
DWORD res = GetPrivateProfileString((*iter).c_str(), NULL, NULL, items, size, iniRead.c_str());
if (res < size - 2) // Fits in the buffer
{
epos = items + res;
@ -1137,12 +1156,10 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
{
if (*pos)
{
std::wstring strKey = pos;
while (true)
{
buffer[0] = 0;
int res = GetPrivateProfileString((*iter).c_str(), strKey.c_str(), L"", buffer, bufferSize, iniRead.c_str());
DWORD res = GetPrivateProfileString((*iter).c_str(), pos, L"", buffer, bufferSize, iniRead.c_str());
if (res < bufferSize - 2) break; // Fits in the buffer
delete [] buffer;
@ -1150,7 +1167,7 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
buffer = new WCHAR[bufferSize];
}
if (_wcsnicmp(strKey.c_str(), L"@include", 8) == 0)
if (_wcsnicmp(pos, L"@include", 8) == 0)
{
std::wstring strIncludeFile = buffer;
ReadVariables();
@ -1159,13 +1176,13 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
(strIncludeFile.length() < 2 || (strIncludeFile[0] != L'\\' && strIncludeFile[0] != L'/') || (strIncludeFile[1] != L'\\' && strIncludeFile[1] != L'/')))
{
// It's a relative path so add the current path as a prefix
strIncludeFile = CRainmeter::ExtractPath(iniFile) + strIncludeFile;
strIncludeFile.insert(0, CRainmeter::ExtractPath(iniFile));
}
ReadIniFile(iniFileMappings, strIncludeFile, depth + 1);
ReadIniFile(iniFileMappings, strIncludeFile, config, depth + 1);
}
else
{
SetValue((*iter), strKey, buffer);
SetValue((*iter), pos, buffer, isVariables);
}
pos += wcslen(pos) + 1;
@ -1189,18 +1206,16 @@ void CConfigParser::ReadIniFile(const std::vector<std::wstring>& iniFileMappings
** \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)
void CConfigParser::SetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strValue, bool isVariables)
{
// LogWithArgs(LOG_DEBUG, L"[%s] %s=%s (size: %i)", strSection.c_str(), strKey.c_str(), strValue.c_str(), (int)m_Values.size());
std::wstring strTmpSection = StrToLower(strSection);
std::wstring strTmpKey = StrToLower(strKey);
std::unordered_map<std::wstring, std::vector<std::wstring> >::iterator iter = m_Keys.find(strTmpSection);
if (iter != m_Keys.end())
if (isVariables)
{
std::vector<std::wstring>& array = (*iter).second;
array.push_back(strTmpKey);
m_ListVariables.push_back(strTmpKey);
}
strTmpSection += L"::";
@ -1230,21 +1245,3 @@ const std::wstring& CConfigParser::GetValue(const std::wstring& strSection, cons
return strDefault;
}
//==============================================================================
/**
** Returns a list of keys under the given section.
**
** \param strSection The name of the section.
** \return A list of keys under the given section.
*/
std::vector<std::wstring> CConfigParser::GetKeys(const std::wstring& strSection)
{
std::unordered_map<std::wstring, std::vector<std::wstring> >::const_iterator iter = m_Keys.find(StrToLower(strSection));
if (iter != m_Keys.end())
{
return (*iter).second;
}
return std::vector<std::wstring>();
}

12
Library/ConfigParser.h
View File

@ -24,6 +24,7 @@
#include <windows.h>
#include <string>
#include <vector>
#include <unordered_set>
#include <unordered_map>
#include <algorithm>
#include <gdiplus.h>
@ -39,7 +40,7 @@ public:
CConfigParser();
~CConfigParser();
void Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterWindow* meterWindow = NULL);
void Initialize(LPCTSTR filename, CRainmeter* pRainmeter, CMeterWindow* meterWindow = NULL, LPCTSTR config = NULL);
void AddMeasure(CMeasure* pMeasure);
void SetVariable(const std::wstring& strVariable, const std::wstring& strValue) { SetVariable(m_Variables, strVariable, strValue); }
@ -91,10 +92,9 @@ private:
CMeasure* GetMeasure(const std::wstring& name);
void ReadIniFile(const std::vector<std::wstring>& iniFileMappings, const std::wstring& strFileName, int depth = 0);
void SetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strValue);
void ReadIniFile(const std::vector<std::wstring>& iniFileMappings, const std::wstring& strFileName, LPCTSTR config = NULL, int depth = 0);
void SetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strValue, bool isVariables);
const std::wstring& GetValue(const std::wstring& strSection, const std::wstring& strKey, const std::wstring& strDefault);
std::vector<std::wstring> GetKeys(const std::wstring& strSection);
void SetAutoSelectedMonitorVariables(CMeterWindow* meterWindow);
@ -104,6 +104,7 @@ private:
static void SetMonitorVariable(const std::wstring& strVariable, const std::wstring& strValue) { SetVariable(c_MonitorVariables, strVariable, strValue); }
static std::wstring StrToLower(const std::wstring& str) { std::wstring strTmp(str); std::transform(strTmp.begin(), strTmp.end(), strTmp.begin(), ::towlower); return strTmp; }
static std::wstring StrToLower(const WCHAR* str) { std::wstring strTmp(str); std::transform(strTmp.begin(), strTmp.end(), strTmp.begin(), ::towlower); return strTmp; }
std::wstring m_Filename;
@ -117,7 +118,8 @@ private:
bool m_LastDefaultUsed;
std::vector<std::wstring> m_Sections; // The sections must be an ordered array
std::unordered_map<std::wstring, std::vector<std::wstring> > m_Keys;
std::unordered_set<std::wstring> m_FoundSections;
std::vector<std::wstring> m_ListVariables;
std::unordered_map<std::wstring, std::wstring> m_Values;
std::unordered_map<std::wstring, std::wstring> m_BuiltInVariables; // Built-in variables

2
Library/MeterWindow.cpp
View File

@ -1778,7 +1778,7 @@ void CMeterWindow::ReadConfig()
m_ConfigGroup = L"";
CConfigParser parser;
parser.Initialize(iniFile.c_str(), m_Rainmeter);
parser.Initialize(iniFile.c_str(), m_Rainmeter, NULL, m_SkinName.c_str());
for (int i = 0; i < 2; ++i)
{