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author | Mystery Man <unknown@mandriva.org> | 2002-07-23 11:21:56 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2002-07-23 11:21:56 +0000 |
commit | 0a94f3feb8d7841fe8212febcbbdac1073413e05 (patch) | |
tree | 09f4686118e32ec13377577bbbd0f08e8120836c /mdk-stage1/slang/slcmd.c | |
parent | 127a73d935d78af53d3dadd05d4636f6b717976d (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V1_1_8_14mdk'.V1_1_8_14mdk
Diffstat (limited to 'mdk-stage1/slang/slcmd.c')
-rw-r--r-- | mdk-stage1/slang/slcmd.c | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/mdk-stage1/slang/slcmd.c b/mdk-stage1/slang/slcmd.c deleted file mode 100644 index 4a00a90fc..000000000 --- a/mdk-stage1/slang/slcmd.c +++ /dev/null @@ -1,351 +0,0 @@ -/* cmd line facility for slang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#include "slang.h" -#include "_slang.h" - -#ifndef HAVE_STDLIB_H -/* Oh dear. Where is the prototype for atof? If not in stdlib, then - * I do not know where. Not in math.h onsome systems either. - */ -extern double atof (); -#endif - -static SLcmd_Cmd_Type *SLcmd_find_command (char *s, SLcmd_Cmd_Type *cmd) -{ - char *cmdstr; - char chs = *s++, ch; - - while ((cmd->cmdfun != NULL) - && (NULL != (cmdstr = cmd->cmd)) - && (0 != (ch = *cmdstr++))) - { - if ((ch == chs) && !strcmp (s, cmdstr)) return cmd; - cmd++; - } - return NULL; -} - -static int extract_token (char **strptr, char *buf) -{ - char *s, *b; - char ch, quote; - - *buf = 0; - - s = *strptr; - while (((ch = *s) != 0) - && ((ch == ' ') || (ch == '\t') || (ch == '\n'))) - s++; - - *strptr = s; - - if (ch == 0) return 0; - if (ch == '%') return 0; - - b = buf; - - *b++ = ch; - s++; - - if ((ch == '\'') || (ch == '"')) - { - quote = ch; - while ((ch = *s) != 0) - { - s++; - *b++ = ch; - if (ch == quote) - break; - - if (ch == '\\') - { - if (0 == (ch = *s)) - break; - *b++ = ch; - s++; - } - } - *strptr = s; - *b = 0; - return 1; - } - - while (((ch = *s) != 0) - && (ch != ' ') - && (ch != '\t') - && (ch != '\n') - && (ch != '%')) - *b++ = *s++; - - *strptr = s; - *b = 0; - return 1; -} - -static int allocate_arg_space (SLcmd_Cmd_Table_Type *table, int argc, unsigned int *space_ptr) -{ - unsigned int space = *space_ptr; - char *p; - - if (argc + 1 < (int) space) - return 0; - - if (space > 128) - { - if (space > 1024) space += 1024; - else space += 128; - } - else space += 32; - - if (NULL == (p = SLrealloc ((char *)table->string_args, space * sizeof (char *)))) - return -1; - table->string_args = (char **)p; - table->string_args [argc] = NULL; - - if (NULL == (p = SLrealloc ((char *)table->int_args, space * sizeof (int)))) - return -1; - table->int_args = (int *)p; - - if (NULL == (p = SLrealloc ((char *)table->double_args, space * sizeof (double)))) - return -1; - table->double_args = (double *)p; - - if (NULL == (p = SLrealloc ((char *)table->arg_type, space * sizeof (unsigned char)))) - return -1; - table->arg_type = (unsigned char *)p; - - *space_ptr = space; - return 0; -} - -int SLcmd_execute_string (char *str, SLcmd_Cmd_Table_Type *table) -{ - char *s, *b = NULL, *arg_type, *last_str, *cmd_name; - SLcmd_Cmd_Type *cmd; - char *buf; - int token_present; - int i; - int status; - unsigned int len; - int argc; - unsigned int space; - - table->argc = 0; - table->string_args = NULL; - table->int_args = NULL; - table->double_args = NULL; - table->arg_type = NULL; - - buf = SLmake_string (str); - if (buf == NULL) - return -1; - - status = extract_token (&str, buf); - if (status <= 0) - { - SLfree (buf); - return status; - } - - if (((len = strlen (buf)) >= 32) - || (NULL == (cmd = SLcmd_find_command (buf, table->table)))) - { - SLang_verror (SL_UNDEFINED_NAME,"%s: invalid command", buf); - SLfree (buf); - return -1; - } - - if (NULL == (cmd_name = SLmake_string (buf))) - { - SLfree (buf); - return -1; - } - - space = 0; - argc = 0; - if (-1 == allocate_arg_space (table, argc, &space)) - { - SLfree (buf); - return -1; - } - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = cmd_name; - - arg_type = cmd->arg_type; - status = -1; - while (*arg_type) - { - int guess_type = 0; - - last_str = str; - - if (-1 == allocate_arg_space (table, argc, &space)) - goto error; - - if (-1 == (token_present = extract_token (&str, buf))) - goto error; - - table->string_args[argc] = NULL; - - if (token_present) - { - b = buf; - len = strlen (b); - - if ((*b == '"') && (len > 1)) - { - b++; - len -= 2; - b[len] = 0; - guess_type = SLANG_STRING_TYPE; - SLexpand_escaped_string (buf, b, b + len); - len = strlen (buf); - } - else if ((*b == '\'') && (len > 1)) - { - char ch; - b++; - len -= 2; - b[len] = 0; - guess_type = SLANG_INT_TYPE; - ch = *b; - if (ch == '\\') - (void) _SLexpand_escaped_char (b, &ch); - sprintf (buf, "%d", (unsigned char) ch); - len = strlen (buf); - } - else guess_type = SLang_guess_type (buf); - } - - switch (*arg_type++) - { - /* variable argument number */ - case 'v': - if (token_present == 0) break; - case 'V': - if (token_present == 0) - { - SLang_verror (SL_INVALID_PARM, "%s: Expecting argument", cmd_name); - goto error; - } - - while (*last_str == ' ') last_str++; - len = strlen (last_str); - str = last_str + len; - - s = SLmake_nstring (last_str, len); - if (s == NULL) goto error; - - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; - - case 's': - if (token_present == 0) break; - case 'S': - if (token_present == 0) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting string argument", cmd_name); - goto error; - } - - s = SLmake_nstring (buf, len); - if (s == NULL) goto error; - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; - - /* integer argument */ - case 'i': - if (token_present == 0) break; - case 'I': - if ((token_present == 0) || (SLANG_INT_TYPE != guess_type)) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting integer argument", cmd_name); - goto error; - } - - table->arg_type[argc] = SLANG_INT_TYPE; - table->int_args[argc++] = SLatoi((unsigned char *) buf); - break; - - /* floating point arg */ -#if SLANG_HAS_FLOAT - case 'f': - if (token_present == 0) break; - case 'F': - if ((token_present == 0) || (SLANG_STRING_TYPE == guess_type)) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting double argument", cmd_name); - goto error; - } - table->arg_type[argc] = SLANG_DOUBLE_TYPE; - table->double_args[argc++] = atof(buf); - break; -#endif - /* Generic type */ - case 'g': - if (token_present == 0) break; - case 'G': - if (token_present == 0) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting argument", cmd_name); - goto error; - } - - switch (guess_type) - { - case SLANG_INT_TYPE: - table->arg_type[argc] = SLANG_INT_TYPE; - table->int_args[argc++] = SLatoi((unsigned char *) buf); - break; - - case SLANG_STRING_TYPE: - s = SLmake_nstring (buf, len); - if (s == NULL) goto error; - - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - table->arg_type[argc] = SLANG_DOUBLE_TYPE; - table->double_args[argc++] = atof(buf); -#endif - } - break; - } - } - - /* call function */ - status = (*cmd->cmdfun)(argc, table); - - error: - if (table->string_args != NULL) for (i = 0; i < argc; i++) - { - if (NULL != table->string_args[i]) - { - SLfree (table->string_args[i]); - table->string_args[i] = NULL; - } - } - SLfree ((char *)table->string_args); table->string_args = NULL; - SLfree ((char *)table->double_args); table->double_args = NULL; - SLfree ((char *)table->int_args); table->int_args = NULL; - SLfree ((char *)table->arg_type); table->arg_type = NULL; - - SLfree (buf); - return status; -} - |