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-rw-r--r--runtime/tools/xcmdsrv_client.c584
1 files changed, 0 insertions, 584 deletions
diff --git a/runtime/tools/xcmdsrv_client.c b/runtime/tools/xcmdsrv_client.c
deleted file mode 100644
index a0e6211a1d..0000000000
--- a/runtime/tools/xcmdsrv_client.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/* vi:set ts=8 sts=4 sw=4:
- *
- * VIM - Vi IMproved by Bram Moolenaar
- * X-Windows communication by Flemming Madsen
- *
- * Do ":help uganda" in Vim to read copying and usage conditions.
- * Do ":help credits" in Vim to see a list of people who contributed.
- * See README.txt for an overview of the Vim source code.
- *
- * Client for sending commands to an '+xcmdsrv' enabled vim.
- * This is mostly a de-Vimified version of if_xcmdsrv.c in vim.
- * See that file for a protocol specification.
- *
- * You can make a test program with a Makefile like:
- * xcmdsrv_client: xcmdsrv_client.c
- * cc -o $@ -g -DMAIN -I/usr/X11R6/include -L/usr/X11R6/lib $< -lX11
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-#ifdef HAVE_SELECT
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
-#else
-#include <sys/poll.h>
-#endif
-#include <X11/Intrinsic.h>
-#include <X11/Xatom.h>
-
-#define __ARGS(x) x
-
-/* Client API */
-char * sendToVim __ARGS((Display *dpy, char *name, char *cmd, int asKeys, int *code));
-
-#ifdef MAIN
-/* A sample program */
-main(int argc, char **argv)
-{
- char *res;
- int code;
-
- if (argc == 4)
- {
- if ((res = sendToVim(XOpenDisplay(NULL), argv[2], argv[3],
- argv[1][0] != 'e', &code)) != NULL)
- {
- if (code)
- printf("Error code returned: %d\n", code);
- puts(res);
- }
- exit(0);
- }
- else
- fprintf(stderr, "Usage: %s {k|e} <server> <command>", argv[0]);
-
- exit(1);
-}
-#endif
-
-/*
- * Maximum size property that can be read at one time by
- * this module:
- */
-
-#define MAX_PROP_WORDS 100000
-
-/*
- * Forward declarations for procedures defined later in this file:
- */
-
-static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event));
-static int AppendPropCarefully __ARGS((Display *display,
- Window window, Atom property, char *value, int length));
-static Window LookupName __ARGS((Display *dpy, char *name,
- int delete, char **loose));
-static int SendInit __ARGS((Display *dpy));
-static char *SendEventProc __ARGS((Display *dpy, XEvent *eventPtr,
- int expect, int *code));
-static int IsSerialName __ARGS((char *name));
-
-/* Private variables */
-static Atom registryProperty = None;
-static Atom commProperty = None;
-static Window commWindow = None;
-static int got_x_error = FALSE;
-
-
-/*
- * sendToVim --
- * Send to an instance of Vim via the X display.
- *
- * Results:
- * A string with the result or NULL. Caller must free if non-NULL
- */
-
- char *
-sendToVim(dpy, name, cmd, asKeys, code)
- Display *dpy; /* Where to send. */
- char *name; /* Where to send. */
- char *cmd; /* What to send. */
- int asKeys; /* Interpret as keystrokes or expr ? */
- int *code; /* Return code. 0 => OK */
-{
- Window w;
- Atom *plist;
- XErrorHandler old_handler;
-#define STATIC_SPACE 500
- char *property, staticSpace[STATIC_SPACE];
- int length;
- int res;
- static int serial = 0; /* Running count of sent commands.
- * Used to give each command a
- * different serial number. */
- XEvent event;
- XPropertyEvent *e = (XPropertyEvent *)&event;
- time_t start;
- char *result;
- char *loosename = NULL;
-
- if (commProperty == None && dpy != NULL)
- {
- if (SendInit(dpy) < 0)
- return NULL;
- }
-
- /*
- * Bind the server name to a communication window.
- *
- * Find any survivor with a serialno attached to the name if the
- * original registrant of the wanted name is no longer present.
- *
- * Delete any lingering names from dead editors.
- */
-
- old_handler = XSetErrorHandler(x_error_check);
- while (TRUE)
- {
- got_x_error = FALSE;
- w = LookupName(dpy, name, 0, &loosename);
- /* Check that the window is hot */
- if (w != None)
- {
- plist = XListProperties(dpy, w, &res);
- XSync(dpy, False);
- if (plist != NULL)
- XFree(plist);
- if (got_x_error)
- {
- LookupName(dpy, loosename ? loosename : name,
- /*DELETE=*/TRUE, NULL);
- continue;
- }
- }
- break;
- }
- if (w == None)
- {
- fprintf(stderr, "no registered server named %s\n", name);
- return NULL;
- }
- else if (loosename != NULL)
- name = loosename;
-
- /*
- * Send the command to target interpreter by appending it to the
- * comm window in the communication window.
- */
-
- length = strlen(name) + strlen(cmd) + 10;
- if (length <= STATIC_SPACE)
- property = staticSpace;
- else
- property = (char *) malloc((unsigned) length);
-
- serial++;
- sprintf(property, "%c%c%c-n %s%c-s %s",
- 0, asKeys ? 'k' : 'c', 0, name, 0, cmd);
- if (name == loosename)
- free(loosename);
- if (!asKeys)
- {
- /* Add a back reference to our comm window */
- sprintf(property + length, "%c-r %x %d", 0, (uint) commWindow, serial);
- length += strlen(property + length + 1) + 1;
- }
-
- res = AppendPropCarefully(dpy, w, commProperty, property, length + 1);
- if (length > STATIC_SPACE)
- free(property);
- if (res < 0)
- {
- fprintf(stderr, "Failed to send command to the destination program\n");
- return NULL;
- }
-
- if (asKeys) /* There is no answer for this - Keys are sent async */
- return NULL;
-
-
- /*
- * Enter a loop processing X events & pooling chars until we see the result
- */
-
-#define SEND_MSEC_POLL 50
-
- time(&start);
- while ((time((time_t *) 0) - start) < 60)
- {
- /* Look out for the answer */
-#ifndef HAVE_SELECT
- struct pollfd fds;
-
- fds.fd = ConnectionNumber(dpy);
- fds.events = POLLIN;
- if (poll(&fds, 1, SEND_MSEC_POLL) < 0)
- break;
-#else
- fd_set fds;
- struct timeval tv;
-
- tv.tv_sec = 0;
- tv.tv_usec = SEND_MSEC_POLL * 1000;
- FD_ZERO(&fds);
- FD_SET(ConnectionNumber(dpy), &fds);
- if (select(ConnectionNumber(dpy) + 1, &fds, NULL, NULL, &tv) < 0)
- break;
-#endif
- while (XEventsQueued(dpy, QueuedAfterReading) > 0)
- {
- XNextEvent(dpy, &event);
- if (event.type == PropertyNotify && e->window == commWindow)
- if ((result = SendEventProc(dpy, &event, serial, code)) != NULL)
- return result;
- }
- }
- return NULL;
-}
-
-
-/*
- * SendInit --
- * This procedure is called to initialize the
- * communication channels for sending commands and
- * receiving results.
- */
-
- static int
-SendInit(dpy)
- Display *dpy;
-{
- XErrorHandler old_handler;
-
- /*
- * Create the window used for communication, and set up an
- * event handler for it.
- */
- old_handler = XSetErrorHandler(x_error_check);
- got_x_error = FALSE;
-
- commProperty = XInternAtom(dpy, "Comm", False);
- /* Change this back to "InterpRegistry" to talk to tk processes */
- registryProperty = XInternAtom(dpy, "VimRegistry", False);
-
- if (commWindow == None)
- {
- commWindow =
- XCreateSimpleWindow(dpy, XDefaultRootWindow(dpy),
- getpid(), 0, 10, 10, 0,
- WhitePixel(dpy, DefaultScreen(dpy)),
- WhitePixel(dpy, DefaultScreen(dpy)));
- XSelectInput(dpy, commWindow, PropertyChangeMask);
- }
-
- XSync(dpy, False);
- (void) XSetErrorHandler(old_handler);
-
- return got_x_error ? -1 : 0;
-}
-
-/*
- * LookupName --
- * Given an interpreter name, see if the name exists in
- * the interpreter registry for a particular display.
- *
- * Results:
- * If the given name is registered, return the ID of
- * the window associated with the name. If the name
- * isn't registered, then return 0.
- */
-
- static Window
-LookupName(dpy, name, delete, loose)
- Display *dpy; /* Display whose registry to check. */
- char *name; /* Name of an interpreter. */
- int delete; /* If non-zero, delete info about name. */
- char **loose; /* Do another search matching -999 if not found
- Return result here if a match is found */
-{
- unsigned char *regProp, *entry;
- unsigned char *p;
- int result, actualFormat;
- unsigned long numItems, bytesAfter;
- Atom actualType;
- Window returnValue;
-
- /*
- * Read the registry property.
- */
-
- regProp = NULL;
- result = XGetWindowProperty(dpy, RootWindow(dpy, 0), registryProperty, 0,
- MAX_PROP_WORDS, False, XA_STRING, &actualType,
- &actualFormat, &numItems, &bytesAfter,
- &regProp);
-
- if (actualType == None)
- return 0;
-
- /*
- * If the property is improperly formed, then delete it.
- */
-
- if ((result != Success) || (actualFormat != 8) || (actualType != XA_STRING))
- {
- if (regProp != NULL)
- XFree(regProp);
- XDeleteProperty(dpy, RootWindow(dpy, 0), registryProperty);
- return 0;
- }
-
- /*
- * Scan the property for the desired name.
- */
-
- returnValue = None;
- entry = NULL; /* Not needed, but eliminates compiler warning. */
- for (p = regProp; (p - regProp) < numItems; )
- {
- entry = p;
- while ((*p != 0) && (!isspace(*p)))
- p++;
- if ((*p != 0) && (strcasecmp(name, p + 1) == 0))
- {
- sscanf(entry, "%x", (uint*) &returnValue);
- break;
- }
- while (*p != 0)
- p++;
- p++;
- }
-
- if (loose != NULL && returnValue == None && !IsSerialName(name))
- {
- for (p = regProp; (p - regProp) < numItems; )
- {
- entry = p;
- while ((*p != 0) && (!isspace(*p)))
- p++;
- if ((*p != 0) && IsSerialName(p + 1)
- && (strncmp(name, p + 1, strlen(name)) == 0))
- {
- sscanf(entry, "%x", (uint*) &returnValue);
- *loose = strdup(p + 1);
- break;
- }
- while (*p != 0)
- p++;
- p++;
- }
- }
-
- /*
- * Delete the property, if that is desired (copy down the
- * remainder of the registry property to overlay the deleted
- * info, then rewrite the property).
- */
-
- if ((delete) && (returnValue != None))
- {
- int count;
-
- while (*p != 0)
- p++;
- p++;
- count = numItems - (p-regProp);
- if (count > 0)
- memcpy(entry, p, count);
- XChangeProperty(dpy, RootWindow(dpy, 0), registryProperty, XA_STRING,
- 8, PropModeReplace, regProp,
- (int) (numItems - (p-entry)));
- XSync(dpy, False);
- }
-
- XFree(regProp);
- return returnValue;
-}
-
- static char *
-SendEventProc(dpy, eventPtr, expected, code)
- Display *dpy;
- XEvent *eventPtr; /* Information about event. */
- int expected; /* The one were waiting for */
- int *code; /* Return code. 0 => OK */
-{
- unsigned char *propInfo;
- unsigned char *p;
- int result, actualFormat;
- int retCode;
- unsigned long numItems, bytesAfter;
- Atom actualType;
-
- if ((eventPtr->xproperty.atom != commProperty)
- || (eventPtr->xproperty.state != PropertyNewValue))
- {
- return;
- }
-
- /*
- * Read the comm property and delete it.
- */
-
- propInfo = NULL;
- result = XGetWindowProperty(dpy, commWindow, commProperty, 0,
- MAX_PROP_WORDS, True, XA_STRING, &actualType,
- &actualFormat, &numItems, &bytesAfter,
- &propInfo);
-
- /*
- * If the property doesn't exist or is improperly formed
- * then ignore it.
- */
-
- if ((result != Success) || (actualType != XA_STRING)
- || (actualFormat != 8))
- {
- if (propInfo != NULL)
- {
- XFree(propInfo);
- }
- return;
- }
-
- /*
- * Several commands and results could arrive in the property at
- * one time; each iteration through the outer loop handles a
- * single command or result.
- */
-
- for (p = propInfo; (p - propInfo) < numItems; )
- {
- /*
- * Ignore leading NULs; each command or result starts with a
- * NUL so that no matter how badly formed a preceding command
- * is, we'll be able to tell that a new command/result is
- * starting.
- */
-
- if (*p == 0)
- {
- p++;
- continue;
- }
-
- if ((*p == 'r') && (p[1] == 0))
- {
- int serial, gotSerial;
- char *res;
-
- /*
- * This is a reply to some command that we sent out. Iterate
- * over all of its options. Stop when we reach the end of the
- * property or something that doesn't look like an option.
- */
-
- p += 2;
- gotSerial = 0;
- res = "";
- retCode = 0;
- while (((p-propInfo) < numItems) && (*p == '-'))
- {
- switch (p[1])
- {
- case 'r':
- if (p[2] == ' ')
- res = p + 3;
- break;
- case 's':
- if (sscanf(p + 2, " %d", &serial) == 1)
- gotSerial = 1;
- break;
- case 'c':
- if (sscanf(p + 2, " %d", &retCode) != 1)
- retCode = 0;
- break;
- }
- while (*p != 0)
- p++;
- p++;
- }
-
- if (!gotSerial)
- continue;
-
- if (code != NULL)
- *code = retCode;
- return serial == expected ? strdup(res) : NULL;
- }
- else
- {
- /*
- * Didn't recognize this thing. Just skip through the next
- * null character and try again.
- * Also, throw away commands that we cant process anyway.
- */
-
- while (*p != 0)
- p++;
- p++;
- }
- }
- XFree(propInfo);
-}
-
-/*
- * AppendPropCarefully --
- *
- * Append a given property to a given window, but set up
- * an X error handler so that if the append fails this
- * procedure can return an error code rather than having
- * Xlib panic.
- *
- * Return:
- * 0 on OK - -1 on error
- *--------------------------------------------------------------
- */
-
- static int
-AppendPropCarefully(dpy, window, property, value, length)
- Display *dpy; /* Display on which to operate. */
- Window window; /* Window whose property is to
- * be modified. */
- Atom property; /* Name of property. */
- char *value; /* Characters to append to property. */
- int length; /* How much to append */
-{
- XErrorHandler old_handler;
-
- old_handler = XSetErrorHandler(x_error_check);
- got_x_error = FALSE;
- XChangeProperty(dpy, window, property, XA_STRING, 8,
- PropModeAppend, value, length);
- XSync(dpy, False);
- (void) XSetErrorHandler(old_handler);
- return got_x_error ? -1 : 0;
-}
-
-
-/*
- * Another X Error handler, just used to check for errors.
- */
-/* ARGSUSED */
- static int
-x_error_check(dpy, error_event)
- Display *dpy;
- XErrorEvent *error_event;
-{
- got_x_error = TRUE;
- return 0;
-}
-
-/*
- * Check if "str" looks like it had a serial number appended.
- * Actually just checks if the name ends in a digit.
- */
- static int
-IsSerialName(str)
- char *str;
-{
- int len = strlen(str);
-
- return (len > 1 && isdigit(str[len - 1]));
-}
generated by cgit (git 2.34.1) at 2025-05-12 10:56:18 +0000