JColorIndex
JXFileInput::GetTextColor
(
const JCharacter* fileName,
const JCharacter* basePath,
const JBoolean requireRead,
const JBoolean requireWrite,
const JBoolean requireExec,
const JColormap* colormap
)
{
if (JStringEmpty(fileName))
{
return colormap->GetBlackColor();
}
JString fullName;
if ((!JIsRelativePath(fileName) || !JStringEmpty(basePath)) &&
JConvertToAbsolutePath(fileName, basePath, &fullName) &&
(!requireRead || JFileReadable(fullName)) &&
(!requireWrite || JFileWritable(fullName)) &&
(!requireExec || JFileExecutable(fullName)))
{
return colormap->GetBlackColor();
}
else
{
return colormap->GetRedColor();
}
}
JBoolean
JXFileInput::InputValid()
{
if (itsAllowInvalidFileFlag)
{
return kJTrue;
}
else if (!JXInputField::InputValid())
{
return kJFalse;
}
const JString& text = GetText();
if (text.IsEmpty())
{
return JNegate(IsRequired());
}
JString fullName;
const JCharacter* errID = NULL;
if (JIsRelativePath(text) && !HasBasePath())
{
errID = kNoRelPathID;
RecalcAll(kJTrue);
}
else if (!JConvertToAbsolutePath(text, itsBasePath, &fullName) ||
!JFileExists(fullName))
{
errID = kDoesNotExistID;
}
else if (itsRequireReadFlag && !JFileReadable(fullName))
{
errID = kUnreadableID;
}
else if (itsRequireWriteFlag && !JFileWritable(fullName))
{
errID = kUnwritableID;
}
else if (itsRequireExecFlag && !JFileExecutable(fullName))
{
errID = kCannotExecID;
}
if (JStringEmpty(errID))
{
return kJTrue;
}
else
{
(JGetUserNotification())->ReportError(JGetString(errID));
return kJFalse;
}
}
JBoolean
JXFileInput::GetFile
(
JString* fullName
)
const
{
const JString& text = GetText();
return JI2B(!text.IsEmpty() &&
(!JIsRelativePath(text) || HasBasePath()) &&
JConvertToAbsolutePath(text, itsBasePath, fullName) &&
JFileExists(*fullName) &&
(!itsRequireReadFlag || JFileReadable(*fullName)) &&
(!itsRequireWriteFlag || JFileWritable(*fullName)) &&
(!itsRequireExecFlag || JFileExecutable(*fullName)));
}
JBoolean
JProgramAvailable
(
const JCharacter* programName,
JString* fixedName
)
{
if (JStringEmpty(programName) ||
!JExpandHomeDirShortcut(programName, fixedName))
{
return kJFalse;
}
if (fixedName->GetFirstCharacter() == '/')
{
return JFileExecutable(*fixedName);
}
JString fullName = programName;
if (fullName.Contains("/"))
{
const JString dir = JGetCurrentDirectory();
fullName = JCombinePathAndName(dir, fullName);
return JFileExecutable(fullName);
}
// check each directory in the exec path list
const JCharacter* cpath = getenv("PATH");
JString path(cpath == NULL ? "" : cpath);
if (theIncludeCWDOnPathFlag)
{
path.Prepend(".:");
}
if (path.IsEmpty())
{
return kJFalse;
}
JIndex colonIndex;
while (path.LocateSubstring(":", &colonIndex))
{
if (colonIndex > 1)
{
const JString dir = path.GetSubstring(1, colonIndex-1);
fullName = JCombinePathAndName(dir, programName);
if (JFileExists(fullName) && JFileExecutable(fullName))
{
if (dir == ".")
{
fixedName->Prepend("./"); // in case we added this to PATH
}
return kJTrue;
}
}
path.RemoveSubstring(1, colonIndex);
}
if (path.IsEmpty())
{
return kJFalse;
}
fullName = JCombinePathAndName(path, programName);
return JFileExecutable(fullName);
}
void
JXFileInput::AdjustStylesBeforeRecalc
(
const JString& buffer,
JRunArray<Font>* styles,
JIndexRange* recalcRange,
JIndexRange* redrawRange,
const JBoolean deletion
)
{
const JColormap* colormap = GetColormap();
const JSize totalLength = buffer.GetLength();
JString fullName = buffer;
if ((JIsRelativePath(buffer) && !HasBasePath()) ||
!JExpandHomeDirShortcut(buffer, &fullName))
{
fullName.Clear();
}
// Last clause because if JConvertToAbsolutePath() succeeds, we don't
// want to further modify fullName.
else if (JIsRelativePath(buffer) &&
!JConvertToAbsolutePath(buffer, itsBasePath, &fullName))
{
if (HasBasePath())
{
fullName = JCombinePathAndName(itsBasePath, buffer);
}
else
{
fullName.Clear();
}
}
JSize errLength;
if (fullName.IsEmpty())
{
errLength = totalLength;
}
else if (!JFileExists(fullName) ||
(itsRequireReadFlag && !JFileReadable(fullName)) ||
(itsRequireWriteFlag && !JFileWritable(fullName)) ||
(itsRequireExecFlag && !JFileExecutable(fullName)))
{
const JString closestDir = JGetClosestDirectory(fullName, kJFalse);
if (fullName.BeginsWith(closestDir))
{
errLength = fullName.GetLength() - closestDir.GetLength();
}
else
{
errLength = totalLength;
}
}
else
{
errLength = 0;
}
if (errLength > 0 && buffer.EndsWith(kThisDirSuffix))
{
errLength++; // trailing . is trimmed
}
Font f = styles->GetFirstElement();
styles->RemoveAll();
if (errLength >= totalLength)
{
f.style.color = colormap->GetRedColor();
styles->AppendElements(f, totalLength);
}
else
{
f.style.color = colormap->GetBlackColor();
styles->AppendElements(f, totalLength - errLength);
if (errLength > 0)
{
f.style.color = colormap->GetRedColor();
styles->AppendElements(f, errLength);
}
}
*redrawRange += JIndexRange(1, totalLength);
}
