#ifndef WX_PRECOMP
#include "wx/string.h"
+ #include "wx/intl.h"
#endif //WX_PRECOMP
#include "wx/event.h"
#include "wx/app.h"
#include "wx/log.h"
+
+#if wxUSE_CONFIG
+
#include "wx/config.h"
#ifndef __WIN16__
//else: we don't need to do all the complicated stuff above
wxString str = strLocal.IsEmpty() ? strRoot : strLocal;
+
+ // as we're going to change the name of these keys fairly often and as
+ // there are only few of wxRegConfig objects (usually 1), we can allow
+ // ourselves to be generous and spend some memory to significantly improve
+ // performance of SetPath()
+ static const size_t MEMORY_PREALLOC = 512;
+
+ m_keyLocalRoot.ReserveMemoryForName(MEMORY_PREALLOC);
+ m_keyLocal.ReserveMemoryForName(MEMORY_PREALLOC);
+
m_keyLocalRoot.SetName(wxRegKey::HKCU, SOFTWARE_KEY + str);
- m_keyLocal.SetName(m_keyLocalRoot, "");
+ m_keyLocal.SetName(m_keyLocalRoot, _T(""));
if ( bDoUseGlobal )
{
str = strGlobal.IsEmpty() ? strRoot : strGlobal;
+
+ m_keyGlobalRoot.ReserveMemoryForName(MEMORY_PREALLOC);
+ m_keyGlobal.ReserveMemoryForName(MEMORY_PREALLOC);
+
m_keyGlobalRoot.SetName(wxRegKey::HKLM, SOFTWARE_KEY + str);
- m_keyGlobal.SetName(m_keyGlobalRoot, "");
+ m_keyGlobal.SetName(m_keyGlobalRoot, _T(""));
}
// Create() will Open() if key already exists
{
wxLogNull nolog;
m_keyGlobalRoot.Open();
+ m_keyGlobal.Open();
}
}
// ----------------------------------------------------------------------------
// path management
// ----------------------------------------------------------------------------
+
+// this function is called a *lot* of times (as I learned after seeing from
+// profiler output that it is called ~12000 times from Mahogany start up code!)
+// so it is important to optimize it - in particular, avoid using generic
+// string functions here and do everything manually because it is faster
+//
+// I still kept the old version to be able to check that the optimized code has
+// the same output as the non optimized version.
void wxRegConfig::SetPath(const wxString& strPath)
{
- wxArrayString aParts;
+ // remember the old path
+ wxString strOldPath = m_strPath;
- // because GetPath() returns "" when we're at root, we must understand
- // empty string as "/"
- if ( strPath.IsEmpty() || (strPath[0] == wxCONFIG_PATH_SEPARATOR) ) {
- // absolute path
- wxSplitPath(aParts, strPath);
- }
- else {
- // relative path, combine with current one
- wxString strFullPath = GetPath();
- strFullPath << wxCONFIG_PATH_SEPARATOR << strPath;
- wxSplitPath(aParts, strFullPath);
- }
+#ifdef WX_DEBUG_SET_PATH // non optimized version kept here for testing
+ wxString m_strPathAlt;
- // recombine path parts in one variable
- wxString strOldPath = m_strPath, strRegPath;
- m_strPath.Empty();
- for ( size_t n = 0; n < aParts.Count(); n++ ) {
- strRegPath << '\\' << aParts[n];
- m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n];
- }
+ {
+ wxArrayString aParts;
+
+ // because GetPath() returns "" when we're at root, we must understand
+ // empty string as "/"
+ if ( strPath.IsEmpty() || (strPath[0] == wxCONFIG_PATH_SEPARATOR) ) {
+ // absolute path
+ wxSplitPath(aParts, strPath);
+ }
+ else {
+ // relative path, combine with current one
+ wxString strFullPath = GetPath();
+ strFullPath << wxCONFIG_PATH_SEPARATOR << strPath;
+ wxSplitPath(aParts, strFullPath);
+ }
+
+ // recombine path parts in one variable
+ wxString strRegPath;
+ m_strPathAlt.Empty();
+ for ( size_t n = 0; n < aParts.Count(); n++ ) {
+ strRegPath << '\\' << aParts[n];
+ m_strPathAlt << wxCONFIG_PATH_SEPARATOR << aParts[n];
+ }
+ }
+#endif // 0
- if ( m_strPath == strOldPath )
- return;
+ // check for the most common case first
+ if ( strPath.empty() )
+ {
+ m_strPath = wxCONFIG_PATH_SEPARATOR;
+ }
+ else // not root
+ {
+ // construct the full path
+ wxString strFullPath;
+ if ( strPath[0u] == wxCONFIG_PATH_SEPARATOR )
+ {
+ // absolute path
+ strFullPath = strPath;
+ }
+ else // relative path
+ {
+ strFullPath.reserve(2*m_strPath.length());
+
+ strFullPath << m_strPath << wxCONFIG_PATH_SEPARATOR << strPath;
+ }
+
+ // simplify it: we need to handle ".." here
+
+ // count the total number of slashes we have to know if we can go upper
+ size_t totalSlashes = 0;
+
+ // position of the last slash to be able to backtrack to it quickly if
+ // needed, but we set it to -1 if we don't have a valid position
+ //
+ // we only remember the last position which means that we handle ".."
+ // quite efficiently but not "../.." - however the latter should be
+ // much more rare, so it is probably ok
+ int posLastSlash = -1;
+
+ const wxChar *src = strFullPath.c_str();
+ size_t len = strFullPath.length();
+ const wxChar *end = src + len;
+
+ wxChar *dst = m_strPath.GetWriteBuf(len);
+ wxChar *start = dst;
+
+ for ( ; src < end; src++, dst++ )
+ {
+ if ( *src == wxCONFIG_PATH_SEPARATOR )
+ {
+ // check for "/.."
+
+ // note that we don't have to check for src < end here as
+ // *end == 0 so can't be '.'
+ if ( src[1] == _T('.') && src[2] == _T('.') &&
+ (src + 3 == end || src[3] == wxCONFIG_PATH_SEPARATOR) )
+ {
+ if ( !totalSlashes )
+ {
+ wxLogWarning(_("'%s' has extra '..', ignored."),
+ strFullPath.c_str());
+ }
+ else // return to the previous path component
+ {
+ // do we already have its position?
+ if ( posLastSlash == -1 )
+ {
+ // no, find it: note that we are sure to have one
+ // because totalSlashes > 0 so we don't have to
+ // check the boundary condition below
+
+ // this is more efficient than strrchr()
+ while ( *dst != wxCONFIG_PATH_SEPARATOR )
+ {
+ dst--;
+ }
+ }
+ else // the position of last slash was stored
+ {
+ // go directly there
+ dst = start + posLastSlash;
+
+ // invalidate posLastSlash
+ posLastSlash = -1;
+ }
+
+ // this shouldn't happen
+ wxASSERT_MSG( *dst == wxCONFIG_PATH_SEPARATOR,
+ _T("error in wxRegConfig::SetPath") );
+
+ // we killed one
+ totalSlashes--;
+ }
+
+ // skip both dots
+ src += 2;
+ }
+ else // not "/.."
+ {
+ if ( (dst == start) || (dst[-1] != wxCONFIG_PATH_SEPARATOR) )
+ {
+ *dst = wxCONFIG_PATH_SEPARATOR;
+
+ posLastSlash = dst - start;
+
+ totalSlashes++;
+ }
+ //else: nothing to do, we squeeze several subseuquent
+ // slashes into one
+ }
+ }
+ else // normal character
+ {
+ // just copy
+ *dst = *src;
+ }
+ }
+
+ // NUL terminate the string
+ if ( dst[-1] == wxCONFIG_PATH_SEPARATOR && (dst != start + 1) )
+ {
+ // if it has a trailing slash we remove it unless it is the only
+ // string character
+ dst--;
+ }
+
+ *dst = _T('\0');
+
+ m_strPath.UngetWriteBuf(dst - start);
+ }
- // as we create the registry key when SetPath(key) is done, we can be left
- // with plenty of empty keys if this was only done to try to read some value
- // which, in fact, doesn't exist - to prevent this from happening we
- // automatically delete the old key if it was empty
- if ( m_keyLocal.IsEmpty() )
- {
- m_keyLocal.DeleteSelf();
- }
+#ifdef WX_DEBUG_SET_PATH
+ wxASSERT( m_strPath == m_strPathAlt );
+#endif
- // change current key(s)
- m_keyLocal.SetName(m_keyLocalRoot, strRegPath);
- m_keyGlobal.SetName(m_keyGlobalRoot, strRegPath);
- m_keyLocal.Create();
+ if ( m_strPath == strOldPath )
+ return;
- wxLogNull nolog;
- m_keyGlobal.Open();
+ // registry APIs want backslashes instead of slashes
+ wxString strRegPath;
+ size_t len = m_strPath.length();
+
+ const wxChar *src = m_strPath.c_str();
+ wxChar *dst = strRegPath.GetWriteBuf(len);
+
+ const wxChar *end = src + len;
+ for ( ; src < end; src++, dst++ )
+ {
+ if ( *src == wxCONFIG_PATH_SEPARATOR )
+ *dst = _T('\\');
+ else
+ *dst = *src;
+ }
+
+ strRegPath.UngetWriteBuf(len);
+
+ // this is not needed any longer as we don't create keys unnecessarily any
+ // more (now it is done on demand, i.e. only when they're going to contain
+ // something)
+#if 0
+ // as we create the registry key when SetPath(key) is done, we can be left
+ // with plenty of empty keys if this was only done to try to read some
+ // value which, in fact, doesn't exist - to prevent this from happening we
+ // automatically delete the old key if it was empty
+ if ( m_keyLocal.Exists() && LocalKey().IsEmpty() )
+ {
+ m_keyLocal.DeleteSelf();
+ }
+#endif // 0
+
+ // change current key(s)
+ m_keyLocal.SetName(m_keyLocalRoot, strRegPath);
+ m_keyGlobal.SetName(m_keyGlobalRoot, strRegPath);
+
+ // don't create it right now, wait until it is accessed
+ //m_keyLocal.Create();
+
+ wxLogNull nolog;
+ m_keyGlobal.Open();
}
// ----------------------------------------------------------------------------
// are we already enumerating local entries?
if ( m_keyGlobal.IsOpened() && !IS_LOCAL_INDEX(lIndex) ) {
// try to find a global entry which doesn't appear locally
- do {
- if ( !m_keyGlobal.GetNextKey(str, lIndex) ) {
- // no more global entries
- lIndex |= LOCAL_MASK;
- break;
+ while ( m_keyGlobal.GetNextKey(str, lIndex) ) {
+ if ( !m_keyLocal.Exists() || !LocalKey().HasSubKey(str) ) {
+ // ok, found one - return it
+ return TRUE;
}
- } while( m_keyLocal.HasSubKey(str) );
+ }
+
+ // no more global entries
+ lIndex |= LOCAL_MASK;
}
+ // if we don't have the key at all, don't try to enumerate anything under it
+ if ( !m_keyLocal.Exists() )
+ return FALSE;
+
// much easier with local entries: get the next one we find
// (don't forget to clear our flag bit and set it again later)
lIndex &= ~LOCAL_MASK;
- bool bOk = m_keyLocal.GetNextKey(str, lIndex);
+ bool bOk = LocalKey().GetNextKey(str, lIndex);
lIndex |= LOCAL_MASK;
return bOk;
// are we already enumerating local entries?
if ( m_keyGlobal.IsOpened() && !IS_LOCAL_INDEX(lIndex) ) {
// try to find a global entry which doesn't appear locally
- do {
- if ( !m_keyGlobal.GetNextValue(str, lIndex) ) {
- // no more global entries
- lIndex |= LOCAL_MASK;
- break;
+ while ( m_keyGlobal.GetNextValue(str, lIndex) ) {
+ if ( !m_keyLocal.Exists() || !LocalKey().HasValue(str) ) {
+ // ok, found one - return it
+ return TRUE;
}
- } while( m_keyLocal.HasValue(str) );
+ }
+
+ // no more global entries
+ lIndex |= LOCAL_MASK;
}
+ // if we don't have the key at all, don't try to enumerate anything under it
+ if ( !m_keyLocal.Exists() )
+ return FALSE;
+
// much easier with local entries: get the next one we find
// (don't forget to clear our flag bit and set it again later)
lIndex &= ~LOCAL_MASK;
- bool bOk = m_keyLocal.GetNextValue(str, lIndex);
+ bool bOk = LocalKey().GetNextValue(str, lIndex);
lIndex |= LOCAL_MASK;
return bOk;
wxString strName(path.Name());
- return m_keyLocal.HasSubKey(strName) || m_keyGlobal.HasSubKey(strName);
+ return (m_keyLocal.Exists() && LocalKey().HasSubKey(strName)) ||
+ m_keyGlobal.HasSubKey(strName);
}
bool wxRegConfig::HasEntry(const wxString& key) const
wxString strName(path.Name());
- return m_keyLocal.HasValue(strName) || m_keyGlobal.HasValue(strName);
+ return (m_keyLocal.Exists() && LocalKey().HasValue(strName)) ||
+ m_keyGlobal.HasValue(strName);
}
wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
wxString strName(path.Name());
bool isNumeric;
- if ( m_keyLocal.HasValue(strName) )
+ if ( m_keyLocal.Exists() && LocalKey().HasValue(strName) )
isNumeric = m_keyLocal.IsNumericValue(strName);
else if ( m_keyGlobal.HasValue(strName) )
isNumeric = m_keyGlobal.IsNumericValue(strName);
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), *pStr) ) {
- if ( m_keyLocal.HasValue(path.Name()) ) {
+ if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
}
// first try local key
- if ( TryGetValue(m_keyLocal, path.Name(), *pStr) ||
+ if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
// nothing to do
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), *pStr) ) {
- if ( m_keyLocal.HasValue(path.Name()) ) {
+ if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
}
// first try local key
- if ( TryGetValue(m_keyLocal, path.Name(), *pStr) ||
+ if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
*pStr = wxConfigBase::ExpandEnvVars(*pStr);
return TRUE;
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), plResult) ) {
- if ( m_keyLocal.HasValue(path.Name()) ) {
+ if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
}
// first try local key
- if ( TryGetValue(m_keyLocal, path.Name(), plResult) ||
+ if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), plResult)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
return TRUE;
}
return FALSE;
}
- return m_keyLocal.SetValue(path.Name(), szValue);
+ return LocalKey().SetValue(path.Name(), szValue);
}
bool wxRegConfig::Write(const wxString& key, long lValue)
return FALSE;
}
- return m_keyLocal.SetValue(path.Name(), lValue);
+ return LocalKey().SetValue(path.Name(), lValue);
}
// ----------------------------------------------------------------------------
{
wxConfigPathChanger path(this, value);
- if ( !m_keyLocal.DeleteValue(path.Name()) )
- return FALSE;
+ if ( m_keyLocal.Exists() ) {
+ if ( !m_keyLocal.DeleteValue(path.Name()) )
+ return FALSE;
- if ( m_keyLocal.IsEmpty() ) {
- wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
- SetPath(".."); // changes m_keyLocal
- return m_keyLocal.DeleteKey(strKey);
+ if ( m_keyLocal.IsEmpty() ) {
+ wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
+ SetPath(".."); // changes m_keyLocal
+ return LocalKey().DeleteKey(strKey);
+ }
}
return TRUE;
{
wxConfigPathChanger path(this, key);
- return m_keyLocal.DeleteKey(path.Name());
+ return m_keyLocal.Exists() ? LocalKey().DeleteKey(path.Name()) : TRUE;
}
bool wxRegConfig::DeleteAll()
#endif
// __WIN16__
+#endif
+ // wxUSE_CONFIG
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