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;
33 #define MAXSTRING 1024
35 /****************************************************************************
38 * Open and execute a batch file.
39 * On entry *command includes the complete command line beginning with the name
40 * of the batch file (if a CALL command was entered the CALL has been removed).
41 * *file is the name of the file, which might not exist and may not have the
42 * .BAT suffix on. Called is 1 for a CALL, 0 otherwise.
44 * We need to handle recursion correctly, since one batch program might call another.
45 * So parameters for this batch file are held in a BATCH_CONTEXT structure.
48 void WCMD_batch (char *file, char *command, int called) {
50 #define WCMD_BATCH_EXT_SIZE 5
52 HANDLE h = INVALID_HANDLE_VALUE;
53 char string[MAXSTRING];
54 char extension[][WCMD_BATCH_EXT_SIZE] = {".bat",".cmd"};
56 BATCH_CONTEXT *prev_context;
58 for(i=0; (i<(sizeof(extension)/WCMD_BATCH_EXT_SIZE)) &&
59 (h == INVALID_HANDLE_VALUE); i++) {
60 strcpy (string, file);
62 if (strstr (string, extension[i]) == NULL) strcat (string, extension[i]);
63 h = CreateFile (string, GENERIC_READ, FILE_SHARE_READ,
64 NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
66 if (h == INVALID_HANDLE_VALUE) {
67 SetLastError (ERROR_FILE_NOT_FOUND);
73 * Create a context structure for this batch file.
76 prev_context = context;
77 context = (BATCH_CONTEXT *)LocalAlloc (LMEM_FIXED, sizeof (BATCH_CONTEXT));
79 context -> command = command;
80 context -> shift_count = 0;
81 context -> prev_context = prev_context;
84 * Work through the file line by line. Specific batch commands are processed here,
85 * the rest are handled by the main command processor.
88 while (WCMD_fgets (string, sizeof(string), h)) {
89 if (strlen(string) == MAXSTRING -1)
90 WCMD_output("Line in Batch processing possible truncated. Using:\n%s\n",string);
91 if (string[0] != ':') { /* Skip over labels */
92 WCMD_batch_command (string);
98 * If invoked by a CALL, we return to the context of our caller. Otherwise return
99 * to the caller's caller.
102 LocalFree ((HANDLE)context);
103 if ((prev_context != NULL) && (!called)) {
104 CloseHandle (prev_context -> h);
105 context = prev_context -> prev_context;
106 LocalFree ((HANDLE)prev_context);
109 context = prev_context;
113 /****************************************************************************
116 * Execute one line from a batch file, expanding parameters.
119 void WCMD_batch_command (char *line) {
122 char cmd1[MAXSTRING],cmd2[MAXSTRING];
126 /* Get working version of command line */
129 /* Expand environment variables in a batch file %{0-9} first */
130 /* Then env vars, and if any left (ie use of undefined vars,*/
131 /* replace with spaces */
132 /* FIXME: Winnt would replace %1%fred%1 with first parm, then */
133 /* contents of fred, then the digit 1. Would need to remove */
134 /* ExpandEnvStrings to achieve this */
136 /* Replace use of %0...%9 */
138 while ((p = strchr(p, '%'))) {
140 if ((i >= 0) && (i <= 9)) {
142 t = WCMD_parameter (context -> command, i + context -> shift_count, NULL);
151 /* Now replace environment variables */
152 status = ExpandEnvironmentStrings(cmd1, cmd2, sizeof(cmd2));
158 /* In a batch program, unknown variables are replace by nothing */
159 /* so remove any remaining %var% */
161 while ((p = strchr(p, '%'))) {
162 s = strchr(p+1, '%');
172 /* Show prompt before batch line IF echo is on */
173 if (echo_mode && (line[0] != '@')) {
175 WCMD_output ("%s\n", cmd2);
178 WCMD_process_command (cmd2);
181 /*******************************************************************
182 * WCMD_parameter - extract a parameter from a command line.
184 * Returns the 'n'th space-delimited parameter on the command line (zero-based).
185 * Parameter is in static storage overwritten on the next call.
186 * Parameters in quotes (and brackets) are handled.
187 * Also returns a pointer to the location of the parameter in the command line.
190 char *WCMD_parameter (char *s, int n, char **where) {
193 static char param[MAX_PATH];
203 if (where != NULL) *where = s;
205 while ((*s != '\0') && (*s != '"')) {
218 if (where != NULL) *where = s;
220 while ((*s != '\0') && (*s != ')')) {
235 if (where != NULL) *where = s;
236 while ((*s != '\0') && (*s != ' ')) {
250 /****************************************************************************
253 * Get one line from a batch file. We can't use the native f* functions because
254 * of the filename syntax differences between DOS and Unix. Also need to lose
255 * the LF (or CRLF) from the line.
258 char *WCMD_fgets (char *s, int n, HANDLE h) {
266 status = ReadFile (h, s, 1, &bytes, NULL);
267 if ((status == 0) || ((bytes == 0) && (s == p))) return NULL;
268 if (*s == '\n') bytes = 0;
269 else if (*s != '\r') {
274 } while ((bytes == 1) && (n > 1));