2 * WCMD - Wine-compatible command line interface - batch interface.
4 * Copyright (C) 1999 D A Pickles
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 void WCMD_batch_command (char *line);
26 extern char newline[];
27 extern char version_string[];
29 extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
30 extern BATCH_CONTEXT *context;
31 extern DWORD errorlevel;
34 /****************************************************************************
37 * Open and execute a batch file.
38 * On entry *command includes the complete command line beginning with the name
39 * of the batch file (if a CALL command was entered the CALL has been removed).
40 * *file is the name of the file, which might not exist and may not have the
41 * .BAT suffix on. Called is 1 for a CALL, 0 otherwise.
43 * We need to handle recursion correctly, since one batch program might call another.
44 * So parameters for this batch file are held in a BATCH_CONTEXT structure.
47 void WCMD_batch (char *file, char *command, int called) {
50 char string[MAX_PATH];
51 BATCH_CONTEXT *prev_context;
53 strcpy (string, file);
55 if (strstr (string, ".bat") == NULL) strcat (string, ".bat");
56 h = CreateFile (string, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
57 if (h == INVALID_HANDLE_VALUE) {
58 SetLastError (ERROR_FILE_NOT_FOUND);
64 * Create a context structure for this batch file.
67 prev_context = context;
68 context = (BATCH_CONTEXT *)LocalAlloc (LMEM_FIXED, sizeof (BATCH_CONTEXT));
70 context -> command = command;
71 context -> shift_count = 0;
72 context -> prev_context = prev_context;
75 * Work through the file line by line. Specific batch commands are processed here,
76 * the rest are handled by the main command processor.
79 while (WCMD_fgets (string, sizeof(string), h)) {
80 if (string[0] != ':') { /* Skip over labels */
81 WCMD_batch_command (string);
87 * If invoked by a CALL, we return to the context of our caller. Otherwise return
88 * to the caller's caller.
91 LocalFree ((HANDLE)context);
92 if ((prev_context != NULL) && (!called)) {
93 CloseHandle (prev_context -> h);
94 context = prev_context -> prev_context;
95 LocalFree ((HANDLE)prev_context);
98 context = prev_context;
102 /****************************************************************************
105 * Execute one line from a batch file, expanding parameters.
108 void WCMD_batch_command (char *line) {
111 char cmd1[1024],cmd2[1024];
115 /* Get working version of command line */
118 /* Expand environment variables in a batch file %{0-9} first */
119 /* Then env vars, and if any left (ie use of undefined vars,*/
120 /* replace with spaces */
121 /* FIXME: Winnt would replace %1%fred%1 with first parm, then */
122 /* contents of fred, then the digit 1. Would need to remove */
123 /* ExpandEnvStrings to achieve this */
125 /* Replace use of %0...%9 */
127 while ((p = strchr(p, '%'))) {
129 if ((i >= 0) && (i <= 9)) {
131 t = WCMD_parameter (context -> command, i + context -> shift_count, NULL);
140 /* Now replace environment variables */
141 status = ExpandEnvironmentStrings(cmd1, cmd2, sizeof(cmd2));
147 /* In a batch program, unknown variables are replace by nothing */
148 /* so remove any remaining %var% */
150 while ((p = strchr(p, '%'))) {
151 s = strchr(p+1, '%');
161 /* Show prompt before batch line IF echo is on */
162 if (echo_mode && (line[0] != '@')) {
164 WCMD_output ("%s\n", cmd2);
167 WCMD_process_command (cmd2);
170 /*******************************************************************
171 * WCMD_parameter - extract a parameter from a command line.
173 * Returns the 'n'th space-delimited parameter on the command line (zero-based).
174 * Parameter is in static storage overwritten on the next call.
175 * Parameters in quotes (and brackets) are handled.
176 * Also returns a pointer to the location of the parameter in the command line.
179 char *WCMD_parameter (char *s, int n, char **where) {
182 static char param[MAX_PATH];
192 if (where != NULL) *where = s;
194 while ((*s != '\0') && (*s != '"')) {
207 if (where != NULL) *where = s;
209 while ((*s != '\0') && (*s != ')')) {
224 if (where != NULL) *where = s;
225 while ((*s != '\0') && (*s != ' ')) {
239 /****************************************************************************
242 * Get one line from a batch file. We can't use the native f* functions because
243 * of the filename syntax differences between DOS and Unix. Also need to lose
244 * the LF (or CRLF) from the line.
247 char *WCMD_fgets (char *s, int n, HANDLE h) {
255 status = ReadFile (h, s, 1, &bytes, NULL);
256 if ((status == 0) || ((bytes == 0) && (s == p))) return NULL;
257 if (*s == '\n') bytes = 0;
258 else if (*s != '\r') {
263 } while ((bytes == 1) && (n > 1));