///////////////////////////////////////////////////////////////////////////////
-// Name: fileconf.cpp
+// Name: src/common/fileconf.cpp
// Purpose: implementation of wxFileConfig derivation of wxConfig
// Author: Vadim Zeitlin
// Modified by:
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "fileconf.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
strDir = wxMacFindFolder( (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
#elif defined( __UNIX__ )
strDir = wxT("/etc/");
-#elif defined(__WXPM__)
+#elif defined(__OS2__)
ULONG aulSysInfo[QSV_MAX] = {0};
UINT drive;
APIRET rc;
#elif defined(__DOS__)
// There's no such thing as global cfg dir in MS-DOS, let's return
// current directory (FIXME_MGL?)
- return wxT(".\\");
+ strDir = wxT(".\\");
#elif defined(__WXWINCE__)
strDir = wxT("\\Windows\\");
#else // Windows
{
if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) )
{
- wxString strLocal = m_strLocalFile;
+ const wxString strLocalOrig = m_strLocalFile;
m_strLocalFile = GetLocalDir();
- m_strLocalFile << strLocal;
+ m_strLocalFile << strLocalOrig;
}
if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) )
{
- wxString strGlobal = m_strGlobalFile;
+ const wxString strGlobalOrig = m_strGlobalFile;
m_strGlobalFile = GetGlobalDir();
- m_strGlobalFile << strGlobal;
+ m_strGlobalFile << strGlobalOrig;
}
}
char buf[1024];
do
{
- inStream.Read(buf, WXSIZEOF(buf));
+ inStream.Read(buf, WXSIZEOF(buf)-1); // leave room for the NULL
const wxStreamError err = inStream.GetLastError();
break;
}
- strTmp.append(wxConvertMB2WX(buf), inStream.LastRead());
+ // FIXME: this is broken because if we have part of multibyte
+ // character in the buffer (and another part hasn't been
+ // read yet) we're going to lose data because of conversion
+ // errors
+ buf[inStream.LastRead()] = '\0';
+ strTmp += conv.cMB2WX(buf);
}
while ( !inStream.Eof() );
Parse(memText, true /* local */);
SetRootPath();
+ ResetDirty();
}
#endif // wxUSE_STREAMS
void wxFileConfig::CleanUp()
{
- delete m_pRootGroup;
+ delete m_pRootGroup;
- wxFileConfigLineList *pCur = m_linesHead;
- while ( pCur != NULL ) {
- wxFileConfigLineList *pNext = pCur->Next();
- delete pCur;
- pCur = pNext;
- }
+ wxFileConfigLineList *pCur = m_linesHead;
+ while ( pCur != NULL ) {
+ wxFileConfigLineList *pNext = pCur->Next();
+ delete pCur;
+ pCur = pNext;
+ }
}
wxFileConfig::~wxFileConfig()
{
- Flush();
+ Flush();
- CleanUp();
+ CleanUp();
}
// ----------------------------------------------------------------------------
// parse a config file
// ----------------------------------------------------------------------------
-void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
+void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal)
{
const wxChar *pStart;
const wxChar *pEnd;
{
LineListAppend(strLine);
- // let the root group have it start line as well
+ // let the root group have its start line as well
if ( !n )
{
m_pCurrentGroup->SetLine(m_linesTail);
}
}
else { // a key
- const wxChar *pEnd = pStart;
+ pEnd = pStart;
while ( *pEnd && *pEnd != wxT('=') /* && !wxIsspace(*pEnd)*/ ) {
if ( *pEnd == wxT('\\') ) {
// next character may be space or not - still take it because it's
void wxFileConfig::SetRootPath()
{
- m_strPath.Empty();
- m_pCurrentGroup = m_pRootGroup;
+ m_strPath.Empty();
+ m_pCurrentGroup = m_pRootGroup;
}
-void wxFileConfig::SetPath(const wxString& strPath)
+bool
+wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
{
- wxArrayString aParts;
+ wxArrayString aParts;
- if ( strPath.empty() ) {
- SetRootPath();
- return;
- }
+ if ( strPath.empty() ) {
+ SetRootPath();
+ return true;
+ }
- if ( strPath[0] == wxCONFIG_PATH_SEPARATOR ) {
- // absolute path
- wxSplitPath(aParts, strPath);
- }
- else {
- // relative path, combine with current one
- wxString strFullPath = m_strPath;
- strFullPath << wxCONFIG_PATH_SEPARATOR << strPath;
- wxSplitPath(aParts, strFullPath);
- }
+ if ( strPath[0] == wxCONFIG_PATH_SEPARATOR ) {
+ // absolute path
+ wxSplitPath(aParts, strPath);
+ }
+ else {
+ // relative path, combine with current one
+ wxString strFullPath = m_strPath;
+ strFullPath << wxCONFIG_PATH_SEPARATOR << strPath;
+ wxSplitPath(aParts, strFullPath);
+ }
- // change current group
- size_t n;
- m_pCurrentGroup = m_pRootGroup;
- for ( n = 0; n < aParts.Count(); n++ ) {
- wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]);
- if ( pNextGroup == NULL )
- pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]);
- m_pCurrentGroup = pNextGroup;
- }
+ // change current group
+ size_t n;
+ m_pCurrentGroup = m_pRootGroup;
+ for ( n = 0; n < aParts.Count(); n++ ) {
+ wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]);
+ if ( pNextGroup == NULL )
+ {
+ if ( !createMissingComponents )
+ return false;
- // recombine path parts in one variable
- m_strPath.Empty();
- for ( n = 0; n < aParts.Count(); n++ ) {
- m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n];
- }
+ pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]);
+ }
+
+ m_pCurrentGroup = pNextGroup;
+ }
+
+ // recombine path parts in one variable
+ m_strPath.Empty();
+ for ( n = 0; n < aParts.Count(); n++ ) {
+ m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n];
+ }
+
+ return true;
+}
+
+void wxFileConfig::SetPath(const wxString& strPath)
+{
+ DoSetPath(strPath, true /* create missing path components */);
}
// ----------------------------------------------------------------------------
bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) const
{
- lIndex = 0;
- return GetNextGroup(str, lIndex);
+ lIndex = 0;
+ return GetNextGroup(str, lIndex);
}
bool wxFileConfig::GetNextGroup (wxString& str, long& lIndex) const
{
- if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) {
- str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name();
- return true;
- }
- else
- return false;
+ if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) {
+ str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name();
+ return true;
+ }
+ else
+ return false;
}
bool wxFileConfig::GetFirstEntry(wxString& str, long& lIndex) const
{
- lIndex = 0;
- return GetNextEntry(str, lIndex);
+ lIndex = 0;
+ return GetNextEntry(str, lIndex);
}
bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const
{
- if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) {
- str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name();
- return true;
- }
- else
- return false;
+ if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) {
+ str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name();
+ return true;
+ }
+ else
+ return false;
}
size_t wxFileConfig::GetNumberOfEntries(bool bRecursive) const
{
- size_t n = m_pCurrentGroup->Entries().Count();
- if ( bRecursive ) {
- wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
- size_t nSubgroups = m_pCurrentGroup->Groups().Count();
- for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
- CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
- n += GetNumberOfEntries(true);
- CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+ size_t n = m_pCurrentGroup->Entries().Count();
+ if ( bRecursive ) {
+ wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
+ size_t nSubgroups = m_pCurrentGroup->Groups().Count();
+ for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
+ CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
+ n += GetNumberOfEntries(true);
+ CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+ }
}
- }
- return n;
+ return n;
}
size_t wxFileConfig::GetNumberOfGroups(bool bRecursive) const
{
- size_t n = m_pCurrentGroup->Groups().Count();
- if ( bRecursive ) {
- wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
- size_t nSubgroups = m_pCurrentGroup->Groups().Count();
- for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
- CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
- n += GetNumberOfGroups(true);
- CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+ size_t n = m_pCurrentGroup->Groups().Count();
+ if ( bRecursive ) {
+ wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
+ size_t nSubgroups = m_pCurrentGroup->Groups().Count();
+ for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
+ CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
+ n += GetNumberOfGroups(true);
+ CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+ }
}
- }
- return n;
+ return n;
}
// ----------------------------------------------------------------------------
bool wxFileConfig::HasGroup(const wxString& strName) const
{
- wxConfigPathChanger path(this, strName);
+ // special case: DoSetPath("") does work as it's equivalent to DoSetPath("/")
+ // but there is no group with empty name so treat this separately
+ if ( strName.empty() )
+ return false;
+
+ const wxString pathOld = GetPath();
+
+ wxFileConfig *self = wx_const_cast(wxFileConfig *, this);
+ const bool
+ rc = self->DoSetPath(strName, false /* don't create missing components */);
- wxFileConfigGroup *pGroup = m_pCurrentGroup->FindSubgroup(path.Name());
- return pGroup != NULL;
+ self->SetPath(pathOld);
+
+ return rc;
}
bool wxFileConfig::HasEntry(const wxString& strName) const
{
- wxConfigPathChanger path(this, strName);
+ wxConfigPathChanger path(this, strName);
- wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
- return pEntry != NULL;
+ wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
+ return pEntry != NULL;
}
// ----------------------------------------------------------------------------
bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const
{
- wxConfigPathChanger path(this, key);
+ wxConfigPathChanger path(this, key);
- wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
- if (pEntry == NULL) {
- return false;
- }
+ wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
+ if (pEntry == NULL) {
+ return false;
+ }
- *pStr = pEntry->Value();
+ *pStr = pEntry->Value();
- return true;
+ return true;
}
bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
{
wxString line = p->Text();
line += wxTextFile::GetEOL();
- if ( !os.Write(line.mb_str(conv), line.length()) )
+
+ wxCharBuffer buf(line.mb_str(conv));
+ if ( !os.Write(buf, strlen(buf)) )
{
wxLogError(_("Error saving user configuration data."));
if ( !m_pCurrentGroup->DeleteEntry(path.Name()) )
return false;
+ SetDirty();
+
if ( bGroupIfEmptyAlso && m_pCurrentGroup->IsEmpty() ) {
if ( m_pCurrentGroup != m_pRootGroup ) {
wxFileConfigGroup *pGroup = m_pCurrentGroup;
SetPath(wxT("..")); // changes m_pCurrentGroup!
- if ( m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name()) )
- SetDirty();
+ m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name());
}
//else: never delete the root group
}
else
pNext->SetPrev(pPrev);
+ if ( m_pRootGroup->GetGroupLine() == pLine )
+ m_pRootGroup->SetLine(m_linesHead);
+
wxLogTrace( FILECONF_TRACE_MASK,
_T(" head: %s"),
((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
{
- wxASSERT( m_pLine == 0 ); // shouldn't be called twice
+ // for a normal (i.e. not root) group this method shouldn't be called twice
+ // unless we are resetting the line
+ wxASSERT_MSG( !m_pParent || !m_pLine || !pLine,
+ _T("changing line for a non-root group?") );
+
m_pLine = pLine;
}
}
else // this entry didn't exist in the local file
{
- // add a new line to the file: note the hack for the root group
- // which is special in that it doesn't have its own group line
- // (something like "[/]") and so the line we get for it may be not
- // its line at all if it doesn't have any entries
- //
- // this is definitely not the right place to fix it but changing
- // the root group to have NULL m_pLine will probably break too
- // much stuff elsewhere so I don't dare to do it...
+ // add a new line to the file: note that line returned by
+ // GetLastEntryLine() may be NULL if we're in the root group and it
+ // doesn't have any entries yet, but this is ok as passing NULL
+ // line to LineListInsert() means to prepend new line to the list
wxFileConfigLineList *line = Group()->GetLastEntryLine();
- if ( !Group()->Parent() && line == Group()->GetGroupLine() )
- {
- // prepend the first root group entry to the head of the list
- line = NULL;
- }
m_pLine = Group()->Config()->LineListInsert(strLine, line);
Group()->SetLastEntry(this);
}
#endif // wxUSE_CONFIG
-
projects / wxWidgets.git / blobdiff