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-rw-r--r--src/command.c222
1 files changed, 222 insertions, 0 deletions
diff --git a/src/command.c b/src/command.c
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+++ b/src/command.c
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+/* command.c
+ *
+ * Author: Andreas Buesching <crunchy@tzi.de>
+ *
+ * $Id: command.c,v 1.3 2002/10/29 20:03:35 crunchy Exp $
+ *
+ * Copyright (C) 2001 Andreas Bsching <crunchy@tzi.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "command.h"
+
+char **
+mpiosh_command_split_line(char *line)
+{
+ char **cmds, *cmd;
+ int count = 1;
+ char *help, *copy = strdup(line);
+
+ help = copy;
+
+ while (*help)
+ if ((*help++ == ';') && (*(help) != '\0')) count++;
+ cmds = malloc(sizeof(char *) * (count + 1));
+
+ cmd = help = copy, count = 0;
+ while (*cmd == ' ') cmd++;
+ while (help) {
+ if (*help == '"') {
+ help++;
+ while (*help != '\0' && *help != '"') help++;
+ }
+
+ if (*help == '\0') break;
+ if (*help == ';') {
+ *help++ = '\0';
+ if (*help == '\0') break;
+ cmds[count++] = strdup(cmd);
+ while (*help == ' ') help++;
+ cmd = help;
+ }
+ help++;
+ }
+ if (cmd != '\0') {
+ cmds[count++] = strdup(cmd);
+ }
+
+ cmds[count] = NULL;
+ free(copy);
+
+ return cmds;
+}
+
+struct mpiosh_cmd_t *
+mpiosh_command_find(char *line)
+{
+ struct mpiosh_cmd_t *cmd = commands;
+
+ while (cmd->cmd) {
+ if (strstr(line, cmd->cmd) == line) {
+ if (line[strlen(cmd->cmd)] == ' ' ||
+ line[strlen(cmd->cmd)] == '\0')
+ return cmd;
+ } else if (cmd->aliases) {
+ char **go = cmd->aliases;
+ while (*go) {
+ if ((strstr(line, *go) == line) &&
+ ((line[strlen(*go)] == ' ') || (line[strlen(*go)] == '\0'))) {
+ return cmd;
+ }
+ go++;
+ }
+ }
+
+ cmd++;
+ }
+
+ return NULL;
+}
+
+void
+mpiosh_command_regex_fix(char *argv[])
+{
+ char **walk = argv;
+ char *new_pos, *help;
+ char buffer[512];
+
+ while (*walk) {
+ memset(buffer, '\0', 512);
+ help = *walk;
+ new_pos = buffer;
+ *new_pos++ = '^';
+ while (*help != '\0') {
+ if (*help == '*' && ((help == *walk) || (*(help - 1) != '.'))) {
+ *new_pos++ = '.';
+ *new_pos = *help;
+ } else if ((*help == '.') && (*(help + 1) != '*')) {
+ *new_pos++ = '\\';
+ *new_pos = *help;
+ } else if (*help == '?' && ((help == *walk) || (*(help - 1) != '\\'))) {
+ *new_pos = '.';
+ } else {
+ *new_pos = *help;
+ }
+
+ help++, new_pos++;
+ }
+ *new_pos = '$';
+ free(*walk);
+ *walk = strdup(buffer);
+
+ walk++;
+ }
+}
+
+char **
+mpiosh_command_get_args(char *line)
+{
+ char **args;
+ char *arg_start, *copy, *help, *prev;
+ int count = 0, i = 0, go = 1, in_quote = 0;
+
+ copy = strdup(line);
+ arg_start = strchr(copy, ' ');
+
+ if (arg_start == NULL) {
+ args = malloc(sizeof(char *));
+ args[0] = NULL;
+ return args;
+ }
+
+ while (*arg_start == ' ') arg_start++;
+
+ help = arg_start;
+ while (help <= (copy + strlen(copy))) {
+ if (*help == '"') {
+ help++;count++;
+
+ while (*help != '\0' && *help != '"')
+ help++;
+ help++;
+ while (*help == ' ') help++;
+ if (*help == '\0') break;
+ in_quote = 1;
+ } else if (((help > arg_start) && (*help == '\0')) ||
+ (*help == ' ' && (*(help + 1) != '\0') && (*(help + 1) != ' '))) {
+ count++;
+ in_quote = 0;
+ help++;
+ } else
+ help++;
+ }
+
+ args = malloc(sizeof(char *) * (count + 1));
+
+ help = prev = arg_start;
+ in_quote = 0;
+ while (go) {
+ if (*help == '"') in_quote = !in_quote, help++;
+ if (((*help == ' ') && !in_quote) || (in_quote && *help == '"') ||
+ (*help == '\0')) {
+ if (*help == '\0') {
+ go = 0;
+ if (*prev == '\0') break;
+ }
+
+ if (*prev == '"') {
+ if (*(help - 1) == '"')
+ *(help - 1) = '\0';
+ else
+ *help = '\0';
+
+ args[i++] = strdup(prev + 1);
+ } else {
+ *help = '\0';
+ args[i++] = strdup(prev);
+ }
+
+ if (go) {
+ help++;
+ if (in_quote) {
+ while (*help != '"') help++;
+ help++;
+ in_quote = 0;
+ } else
+ while (*help == ' ') help++;
+ prev = help;
+ }
+ } else
+ help++;
+ }
+ args[i] = NULL;
+
+ free(copy);
+
+ return args;
+}
+
+void
+mpiosh_command_free_args(char **args)
+{
+ char **arg = args;
+
+ while (*arg) free(*arg++);
+
+ free(args);
+}
+
+/* end of command.c */