diff options
Diffstat (limited to 'generic/tclGet.c')
-rw-r--r-- | generic/tclGet.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/generic/tclGet.c b/generic/tclGet.c deleted file mode 100644 index 27e49cc..0000000 --- a/generic/tclGet.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * tclGet.c -- - * - * This file contains procedures to convert strings into - * other forms, like integers or floating-point numbers or - * booleans, doing syntax checking along the way. - * - * Copyright (c) 1990-1993 The Regents of the University of California. - * Copyright (c) 1994-1997 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclGet.c,v 1.3 1999/04/16 00:46:46 stanton Exp $ - */ - -#include "tclInt.h" -#include "tclPort.h" - - -/* - *---------------------------------------------------------------------- - * - * Tcl_GetInt -- - * - * Given a string, produce the corresponding integer value. - * - * Results: - * The return value is normally TCL_OK; in this case *intPtr - * will be set to the integer value equivalent to string. If - * string is improperly formed then TCL_ERROR is returned and - * an error message will be left in the interp's result. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_GetInt(interp, string, intPtr) - Tcl_Interp *interp; /* Interpreter to use for error reporting. */ - char *string; /* String containing a (possibly signed) - * integer in a form acceptable to strtol. */ - int *intPtr; /* Place to store converted result. */ -{ - char *end, *p; - long i; - - /* - * Note: use strtoul instead of strtol for integer conversions - * to allow full-size unsigned numbers, but don't depend on strtoul - * to handle sign characters; it won't in some implementations. - */ - - errno = 0; - for (p = string; isspace(UCHAR(*p)); p++) { /* INTL: ISO space. */ - /* Empty loop body. */ - } - if (*p == '-') { - p++; - i = -((long)strtoul(p, &end, 0)); /* INTL: Tcl source. */ - } else if (*p == '+') { - p++; - i = strtoul(p, &end, 0); /* INTL: Tcl source. */ - } else { - i = strtoul(p, &end, 0); /* INTL: Tcl source. */ - } - if (end == p) { - badInteger: - if (interp != (Tcl_Interp *) NULL) { - Tcl_AppendResult(interp, "expected integer but got \"", string, - "\"", (char *) NULL); - } - return TCL_ERROR; - } - - /* - * The second test below is needed on platforms where "long" is - * larger than "int" to detect values that fit in a long but not in - * an int. - */ - - if ((errno == ERANGE) || (((long)(int) i) != i)) { - if (interp != (Tcl_Interp *) NULL) { - Tcl_SetResult(interp, "integer value too large to represent", - TCL_STATIC); - Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW", - Tcl_GetStringResult(interp), (char *) NULL); - } - return TCL_ERROR; - } - while ((*end != '\0') && isspace(UCHAR(*end))) { /* INTL: ISO space. */ - end++; - } - if (*end != 0) { - goto badInteger; - } - *intPtr = (int) i; - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TclGetLong -- - * - * Given a string, produce the corresponding long integer value. - * This routine is a version of Tcl_GetInt but returns a "long" - * instead of an "int". - * - * Results: - * The return value is normally TCL_OK; in this case *longPtr - * will be set to the long integer value equivalent to string. If - * string is improperly formed then TCL_ERROR is returned and - * an error message will be left in the interp's result if interp - * is non-NULL. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TclGetLong(interp, string, longPtr) - Tcl_Interp *interp; /* Interpreter used for error reporting - * if not NULL. */ - char *string; /* String containing a (possibly signed) - * long integer in a form acceptable to - * strtoul. */ - long *longPtr; /* Place to store converted long result. */ -{ - char *end, *p; - long i; - - /* - * Note: don't depend on strtoul to handle sign characters; it won't - * in some implementations. - */ - - errno = 0; - for (p = string; isspace(UCHAR(*p)); p++) { /* INTL: ISO space. */ - /* Empty loop body. */ - } - if (*p == '-') { - p++; - i = -(int)strtoul(p, &end, 0); /* INTL: Tcl source. */ - } else if (*p == '+') { - p++; - i = strtoul(p, &end, 0); /* INTL: Tcl source. */ - } else { - i = strtoul(p, &end, 0); /* INTL: Tcl source. */ - } - if (end == p) { - badInteger: - if (interp != (Tcl_Interp *) NULL) { - Tcl_AppendResult(interp, "expected integer but got \"", string, - "\"", (char *) NULL); - } - return TCL_ERROR; - } - if (errno == ERANGE) { - if (interp != (Tcl_Interp *) NULL) { - Tcl_SetResult(interp, "integer value too large to represent", - TCL_STATIC); - Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW", - Tcl_GetStringResult(interp), (char *) NULL); - } - return TCL_ERROR; - } - while ((*end != '\0') && isspace(UCHAR(*end))) { /* INTL: ISO space. */ - end++; - } - if (*end != 0) { - goto badInteger; - } - *longPtr = i; - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_GetDouble -- - * - * Given a string, produce the corresponding double-precision - * floating-point value. - * - * Results: - * The return value is normally TCL_OK; in this case *doublePtr - * will be set to the double-precision value equivalent to string. - * If string is improperly formed then TCL_ERROR is returned and - * an error message will be left in the interp's result. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_GetDouble(interp, string, doublePtr) - Tcl_Interp *interp; /* Interpreter used for error reporting. */ - char *string; /* String containing a floating-point number - * in a form acceptable to strtod. */ - double *doublePtr; /* Place to store converted result. */ -{ - char *end; - double d; - - errno = 0; - d = strtod(string, &end); /* INTL: Tcl source. */ - if (end == string) { - badDouble: - if (interp != (Tcl_Interp *) NULL) { - Tcl_AppendResult(interp, - "expected floating-point number but got \"", - string, "\"", (char *) NULL); - } - return TCL_ERROR; - } - if (errno != 0) { - if (interp != (Tcl_Interp *) NULL) { - TclExprFloatError(interp, d); - } - return TCL_ERROR; - } - while ((*end != 0) && isspace(UCHAR(*end))) { /* INTL: ISO space. */ - end++; - } - if (*end != 0) { - goto badDouble; - } - *doublePtr = d; - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_GetBoolean -- - * - * Given a string, return a 0/1 boolean value corresponding - * to the string. - * - * Results: - * The return value is normally TCL_OK; in this case *boolPtr - * will be set to the 0/1 value equivalent to string. If - * string is improperly formed then TCL_ERROR is returned and - * an error message will be left in the interp's result. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_GetBoolean(interp, string, boolPtr) - Tcl_Interp *interp; /* Interpreter used for error reporting. */ - char *string; /* String containing a boolean number - * specified either as 1/0 or true/false or - * yes/no. */ - int *boolPtr; /* Place to store converted result, which - * will be 0 or 1. */ -{ - int i; - char lowerCase[10], c; - size_t length; - - /* - * Convert the input string to all lower-case. - * INTL: This code will work on UTF strings. - */ - - for (i = 0; i < 9; i++) { - c = string[i]; - if (c == 0) { - break; - } - if ((c >= 'A') && (c <= 'Z')) { - c += (char) ('a' - 'A'); - } - lowerCase[i] = c; - } - lowerCase[i] = 0; - - length = strlen(lowerCase); - c = lowerCase[0]; - if ((c == '0') && (lowerCase[1] == '\0')) { - *boolPtr = 0; - } else if ((c == '1') && (lowerCase[1] == '\0')) { - *boolPtr = 1; - } else if ((c == 'y') && (strncmp(lowerCase, "yes", length) == 0)) { - *boolPtr = 1; - } else if ((c == 'n') && (strncmp(lowerCase, "no", length) == 0)) { - *boolPtr = 0; - } else if ((c == 't') && (strncmp(lowerCase, "true", length) == 0)) { - *boolPtr = 1; - } else if ((c == 'f') && (strncmp(lowerCase, "false", length) == 0)) { - *boolPtr = 0; - } else if ((c == 'o') && (length >= 2)) { - if (strncmp(lowerCase, "on", length) == 0) { - *boolPtr = 1; - } else if (strncmp(lowerCase, "off", length) == 0) { - *boolPtr = 0; - } else { - goto badBoolean; - } - } else { - badBoolean: - if (interp != (Tcl_Interp *) NULL) { - Tcl_AppendResult(interp, "expected boolean value but got \"", - string, "\"", (char *) NULL); - } - return TCL_ERROR; - } - return TCL_OK; -} |