/*
** Do a shell command, with the options allowed to users (input source,
** output destination, save first and load after) in the shell commands
** menu.
*/
void DoShellMenuCmd(WindowInfo *window, const char *command,
int input, int output,
int outputReplacesInput, int saveFirst, int loadAfter, int fromMacro)
{
int flags = 0;
char *text;
char *subsCommand, fullName[MAXPATHLEN];
int left, right, textLen;
int pos, line, column;
char lineNumber[11];
WindowInfo *inWindow = window;
Widget outWidget;
/* Can't do two shell commands at once in the same window */
if (window->shellCmdData != NULL) {
XBell(TheDisplay, 0);
return;
}
/* Substitute the current file name for % and the current line number
for # in the shell command */
strcpy(fullName, window->path);
strcat(fullName, window->filename);
pos = TextGetCursorPos(window->lastFocus);
TextPosToLineAndCol(window->lastFocus, pos, &line, &column);
sprintf(lineNumber, "%d", line);
subsCommand = shellCommandSubstitutes(command, fullName, lineNumber);
if (subsCommand == NULL)
{
DialogF(DF_ERR, window->shell, 1, "Shell Command",
"Shell command is too long due to\n"
"filename substitutions with '%%' or\n"
"line number substitutions with '#'", "OK");
return;
}
/* Get the command input as a text string. If there is input, errors
shouldn't be mixed in with output, so set flags to ERROR_DIALOGS */
if (input == FROM_SELECTION) {
text = BufGetSelectionText(window->buffer);
if (*text == '\0') {
XtFree(text);
free(subsCommand);
XBell(TheDisplay, 0);
return;
}
flags |= ACCUMULATE | ERROR_DIALOGS;
} else if (input == FROM_WINDOW) {
text = BufGetAll(window->buffer);
flags |= ACCUMULATE | ERROR_DIALOGS;
} else if (input == FROM_EITHER) {
text = BufGetSelectionText(window->buffer);
if (*text == '\0') {
XtFree(text);
text = BufGetAll(window->buffer);
}
flags |= ACCUMULATE | ERROR_DIALOGS;
} else /* FROM_NONE */
text = NULL;
/* If the buffer was substituting another character for ascii-nuls,
put the nuls back in before exporting the text */
if (text != NULL) {
textLen = strlen(text);
BufUnsubstituteNullChars(text, window->buffer);
} else
textLen = 0;
/* Assign the output destination. If output is to a new window,
create it, and run the command from it instead of the current
one, to free the current one from waiting for lengthy execution */
if (output == TO_DIALOG) {
outWidget = NULL;
flags |= OUTPUT_TO_DIALOG;
left = right = 0;
} else if (output == TO_NEW_WINDOW) {
EditNewFile(GetPrefOpenInTab()?inWindow:NULL, NULL, False, NULL, window->path);
outWidget = WindowList->textArea;
inWindow = WindowList;
left = right = 0;
CheckCloseDim();
} else { /* TO_SAME_WINDOW */
outWidget = window->lastFocus;
if (outputReplacesInput && input != FROM_NONE) {
if (input == FROM_WINDOW) {
left = 0;
right = window->buffer->length;
} else if (input == FROM_SELECTION) {
GetSimpleSelection(window->buffer, &left, &right);
flags |= ACCUMULATE | REPLACE_SELECTION;
} else if (input == FROM_EITHER) {
if (GetSimpleSelection(window->buffer, &left, &right))
flags |= ACCUMULATE | REPLACE_SELECTION;
else {
left = 0;
right = window->buffer->length;
}
}
} else {
if (GetSimpleSelection(window->buffer, &left, &right))
flags |= ACCUMULATE | REPLACE_SELECTION;
else
left = right = TextGetCursorPos(window->lastFocus);
}
}
/* If the command requires the file be saved first, save it */
if (saveFirst) {
if (!SaveWindow(window)) {
if (input != FROM_NONE)
XtFree(text);
free(subsCommand);
return;
}
}
/* If the command requires the file to be reloaded after execution, set
a flag for issueCommand to deal with it when execution is complete */
if (loadAfter)
flags |= RELOAD_FILE_AFTER;
/* issue the command */
issueCommand(inWindow, subsCommand, text, textLen, flags, outWidget, left,
right, fromMacro);
free(subsCommand);
}
static void processServerCommandString(char *string)
{
char *fullname, filename[MAXPATHLEN], pathname[MAXPATHLEN];
char *doCommand, *geometry, *langMode, *inPtr;
int editFlags, stringLen = strlen(string);
int lineNum, createFlag, readFlag, iconicFlag, lastIconic = 0, tabbed = -1;
int fileLen, doLen, lmLen, geomLen, charsRead, itemsRead;
WindowInfo *window, *lastFile = NULL;
long currentDesktop = QueryCurrentDesktop(TheDisplay,
RootWindow(TheDisplay, DefaultScreen(TheDisplay)));
/* If the command string is empty, put up an empty, Untitled window
(or just pop one up if it already exists) */
if (string[0] == '\0') {
for (window=WindowList; window!=NULL; window=window->next)
if (!window->filenameSet && !window->fileChanged &&
isLocatedOnDesktop(window, currentDesktop))
break;
if (window == NULL) {
EditNewFile(findWindowOnDesktop(tabbed, currentDesktop), NULL,
False, NULL, NULL);
CheckCloseDim();
}
else {
RaiseDocument(window);
WmClientMsg(TheDisplay, XtWindow(window->shell),
"_NET_ACTIVE_WINDOW", 0, 0, 0, 0, 0);
XMapRaised(TheDisplay, XtWindow(window->shell));
}
return;
}
/*
** Loop over all of the files in the command list
*/
inPtr = string;
while (TRUE) {
if (*inPtr == '\0')
break;
/* Read a server command from the input string. Header contains:
linenum createFlag fileLen doLen\n, followed by a filename and -do
command both followed by newlines. This bit of code reads the
header, and converts the newlines following the filename and do
command to nulls to terminate the filename and doCommand strings */
itemsRead = sscanf(inPtr, "%d %d %d %d %d %d %d %d %d%n", &lineNum,
&readFlag, &createFlag, &iconicFlag, &tabbed, &fileLen,
&doLen, &lmLen, &geomLen, &charsRead);
if (itemsRead != 9)
goto readError;
inPtr += charsRead + 1;
if (inPtr - string + fileLen > stringLen)
goto readError;
fullname = inPtr;
inPtr += fileLen;
*inPtr++ = '\0';
if (inPtr - string + doLen > stringLen)
goto readError;
doCommand = inPtr;
inPtr += doLen;
*inPtr++ = '\0';
if (inPtr - string + lmLen > stringLen)
goto readError;
langMode = inPtr;
inPtr += lmLen;
*inPtr++ = '\0';
if (inPtr - string + geomLen > stringLen)
goto readError;
geometry = inPtr;
inPtr += geomLen;
*inPtr++ = '\0';
/* An empty file name means:
* put up an empty, Untitled window, or use an existing one
* choose a random window for executing the -do macro upon
*/
if (fileLen <= 0) {
for (window=WindowList; window!=NULL; window=window->next)
if (!window->filenameSet && !window->fileChanged &&
isLocatedOnDesktop(window, currentDesktop))
break;
if (*doCommand == '\0') {
if (window == NULL) {
EditNewFile(findWindowOnDesktop(tabbed, currentDesktop),
NULL, iconicFlag, lmLen==0?NULL:langMode, NULL);
} else {
if (iconicFlag)
RaiseDocument(window);
else
RaiseDocumentWindow(window);
}
} else {
WindowInfo *win = WindowList;
/* Starting a new command while another one is still running
in the same window is not possible (crashes). */
while (win != NULL && win->macroCmdData != NULL) {
win = win->next;
}
if (!win) {
XBell(TheDisplay, 0);
} else {
/* Raise before -do (macro could close window). */
if (iconicFlag)
RaiseDocument(win);
else
RaiseDocumentWindow(win);
DoMacro(win, doCommand, "-do macro");
}
}
CheckCloseDim();
return;
}
/* Process the filename by looking for the files in an
existing window, or opening if they don't exist */
editFlags = (readFlag ? PREF_READ_ONLY : 0) | CREATE |
(createFlag ? SUPPRESS_CREATE_WARN : 0);
if (ParseFilename(fullname, filename, pathname) != 0) {
fprintf(stderr, "NEdit: invalid file name\n");
deleteFileClosedProperty2(filename, pathname);
break;
}
window = FindWindowWithFile(filename, pathname);
if (window == NULL) {
/* Files are opened in background to improve opening speed
by defering certain time consuiming task such as syntax
highlighting. At the end of the file-opening loop, the
last file opened will be raised to restore those deferred
items. The current file may also be raised if there're
macros to execute on. */
window = EditExistingFile(findWindowOnDesktop(tabbed, currentDesktop),
filename, pathname, editFlags, geometry, iconicFlag,
lmLen == 0 ? NULL : langMode,
tabbed == -1? GetPrefOpenInTab() : tabbed, True);
if (window) {
CleanUpTabBarExposeQueue(window);
if (lastFile && window->shell != lastFile->shell) {
CleanUpTabBarExposeQueue(lastFile);
RaiseDocument(lastFile);
}
}
}
/* Do the actions requested (note DoMacro is last, since the do
command can do anything, including closing the window!) */
if (window != NULL) {
deleteFileOpenProperty(window);
getFileClosedProperty(window);
if (lineNum > 0)
SelectNumberedLine(window, lineNum);
if (*doCommand != '\0') {
RaiseDocument(window);
if (!iconicFlag) {
WmClientMsg(TheDisplay, XtWindow(window->shell),
"_NET_ACTIVE_WINDOW", 0, 0, 0, 0, 0);
XMapRaised(TheDisplay, XtWindow(window->shell));
}
/* Starting a new command while another one is still running
in the same window is not possible (crashes). */
if (window->macroCmdData != NULL) {
XBell(TheDisplay, 0);
} else {
DoMacro(window, doCommand, "-do macro");
/* in case window is closed by macro functions
such as close() or detach_document() */
if (!IsValidWindow(window))
window = NULL;
if (lastFile && !IsValidWindow(lastFile))
lastFile = NULL;
}
}
/* register the last file opened for later use */
if (window) {
lastFile = window;
lastIconic = iconicFlag;
}
} else {
deleteFileOpenProperty2(filename, pathname);
deleteFileClosedProperty2(filename, pathname);
}
}
/* Raise the last file opened */
if (lastFile) {
CleanUpTabBarExposeQueue(lastFile);
if (lastIconic)
RaiseDocument(lastFile);
else
RaiseDocumentWindow(lastFile);
CheckCloseDim();
}
return;
readError:
fprintf(stderr, "NEdit: error processing server request\n");
return;
}
