177 lines
4.2 KiB
C
177 lines
4.2 KiB
C
/*
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* tclAppInit.c --
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*
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* Provides a default version of the main program and Tcl_AppInit
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* procedure for Tcl applications (without Tk). Note that this
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* program must be built in Win32 console mode to work properly.
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*
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* Copyright (c) 1996 by Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tclAppInit.c 1.9 96/10/04 11:01:28
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*/
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#include "tcl.h"
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#include <windows.h>
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#include <locale.h>
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#ifdef TCL_TEST
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EXTERN int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
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#endif /* TCL_TEST */
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/*
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*----------------------------------------------------------------------
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*
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* main --
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*
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* This is the main program for the application.
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*
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* Results:
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* None: Tcl_Main never returns here, so this procedure never
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* returns either.
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*
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* Side effects:
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* Whatever the application does.
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*
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*----------------------------------------------------------------------
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*/
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int
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main(argc, argv)
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int argc; /* Number of command-line arguments. */
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char **argv; /* Values of command-line arguments. */
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{
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char *args = GetCommandLine();
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char **argvlist, *p;
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int size, i;
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/*
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* Set up the default locale to be standard "C" locale so parsing
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* is performed correctly.
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*/
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setlocale(LC_ALL, "C");
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/*
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* Precompute an overly pessimistic guess at the number of arguments
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* in the command line by counting non-space spans.
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*/
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for (size = 2, p = args; *p != '\0'; p++) {
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if (isspace(*p)) {
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size++;
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while (isspace(*p)) {
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p++;
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}
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if (*p == '\0') {
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break;
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}
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}
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}
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argvlist = (char **) ckalloc((unsigned) (size * sizeof(char *)));
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argv = argvlist;
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/*
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* Parse the Windows command line string. If an argument begins with a
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* double quote, then spaces are considered part of the argument until the
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* next double quote. The argument terminates at the second quote. Note
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* that this is different from the usual Unix semantics.
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*/
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for (i = 0, p = args; *p != '\0'; i++) {
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while (isspace(*p)) {
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p++;
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}
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if (*p == '\0') {
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break;
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}
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if (*p == '"') {
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p++;
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argv[i] = p;
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while ((*p != '\0') && (*p != '"')) {
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p++;
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}
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} else {
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argv[i] = p;
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while (*p != '\0' && !isspace(*p)) {
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p++;
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}
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}
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if (*p != '\0') {
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*p = '\0';
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p++;
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}
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}
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argv[i] = NULL;
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argc = i;
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Tcl_Main(argc, argv, Tcl_AppInit);
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return 0; /* Needed only to prevent compiler warning. */
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tcl_AppInit --
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*
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* This procedure performs application-specific initialization.
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* Most applications, especially those that incorporate additional
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* packages, will have their own version of this procedure.
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*
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* Results:
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* Returns a standard Tcl completion code, and leaves an error
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* message in interp->result if an error occurs.
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*
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* Side effects:
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* Depends on the startup script.
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*
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*----------------------------------------------------------------------
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*/
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int
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Tcl_AppInit(interp)
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Tcl_Interp *interp; /* Interpreter for application. */
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{
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if (Tcl_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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#ifdef TCL_TEST
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if (Tcltest_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init,
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(Tcl_PackageInitProc *) NULL);
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#endif /* TCL_TEST */
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/*
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* Call the init procedures for included packages. Each call should
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* look like this:
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*
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* if (Mod_Init(interp) == TCL_ERROR) {
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* return TCL_ERROR;
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* }
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*
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* where "Mod" is the name of the module.
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*/
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/*
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* Call Tcl_CreateCommand for application-specific commands, if
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* they weren't already created by the init procedures called above.
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*/
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/*
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* Specify a user-specific startup file to invoke if the application
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* is run interactively. Typically the startup file is "~/.apprc"
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* where "app" is the name of the application. If this line is deleted
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* then no user-specific startup file will be run under any conditions.
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*/
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Tcl_SetVar(interp, "tcl_rcFileName", "~/tclshrc.tcl", TCL_GLOBAL_ONLY);
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return TCL_OK;
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}
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