You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
244 lines
5.3 KiB
244 lines
5.3 KiB
/*- |
|
* Copyright (c) 2017-2021 Carsten Sonne Larsen <cs@innolan.net> |
|
* All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
* |
|
*/ |
|
|
|
#include "config.h" |
|
#include "conv.h" |
|
#include "text.h" |
|
|
|
static const char *alphaNumerics = "0123456789"; |
|
static const int base = 10; |
|
|
|
bool TryParseBoolean(char *string, bool *value) |
|
{ |
|
if (string == NULL || ((const char *)string) == '\0') |
|
{ |
|
return false; |
|
} |
|
else if (Stricmp((CONST_STRPTR)noValueString, (CONST_STRPTR)value) == 0 || |
|
Stricmp((CONST_STRPTR)falseValueString, (CONST_STRPTR)value) == 0 || |
|
Stricmp((CONST_STRPTR) "0", (CONST_STRPTR)value) == 0) |
|
{ |
|
*value = false; |
|
return true; |
|
} |
|
else if (Stricmp((CONST_STRPTR)yesValueString, (CONST_STRPTR)value) == 0 || |
|
Stricmp((CONST_STRPTR)trueValueString, (CONST_STRPTR)value) == 0 || |
|
Stricmp((CONST_STRPTR) "1", (CONST_STRPTR)value) == 0) |
|
{ |
|
*value = true; |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/* |
|
* Try to parse a null terminated string to a long. |
|
*/ |
|
bool TryParseLong(char *string, long *value) |
|
{ |
|
LONG characters, parsedValue; |
|
characters = StrToLong((STRPTR)string, &parsedValue); |
|
if (characters != -1) |
|
{ |
|
*value = parsedValue; |
|
return true; |
|
} |
|
|
|
*value = 0; |
|
return false; |
|
} |
|
|
|
/* |
|
* Try to parse a null terminated string to a long. |
|
*/ |
|
bool TryParseLongLong(char *string, long long *value) |
|
{ |
|
unsigned long long parsedValue; |
|
long characters; |
|
characters = StrToLongLong(string, &parsedValue); |
|
if (characters != -1) |
|
{ |
|
*value = parsedValue; |
|
return true; |
|
} |
|
|
|
*value = 0; |
|
return false; |
|
} |
|
|
|
/* |
|
* Convert a boolean to a null terminated string. |
|
*/ |
|
int BoolToStr(bool value, char *string) |
|
{ |
|
int count; |
|
if (value) |
|
{ |
|
StrCopy(string, yesValueString); |
|
count = StrLen(yesValueString); |
|
} |
|
else |
|
{ |
|
StrCopy(string, noValueString); |
|
count = StrLen(noValueString); |
|
} |
|
return count; |
|
} |
|
|
|
/* |
|
* Convert a boolean to a null terminated numeral string. |
|
*/ |
|
int BoolToStrNum(bool value, char *string) |
|
{ |
|
char *s = string; |
|
|
|
if (s == NULL) |
|
return 0; |
|
|
|
if (value) |
|
*s++ = '1'; |
|
else |
|
*s++ = '0'; |
|
|
|
*s = '\0'; |
|
return 1; |
|
} |
|
|
|
/* |
|
* Convert a long to a null terminated string. |
|
*/ |
|
int LongToStr(signed long value, char *string) |
|
{ |
|
unsigned int len, count = 0; |
|
unsigned long current = value; |
|
char chars[12]; |
|
char *p = chars; |
|
char *q = string; |
|
bool negative = false; |
|
|
|
if (value < 0) |
|
{ |
|
current = -value; |
|
negative = true; |
|
} |
|
|
|
do |
|
{ |
|
unsigned long remainder = current % base; |
|
*p++ = alphaNumerics[remainder]; |
|
current /= base; |
|
count++; |
|
} while (current >= 1); |
|
|
|
p--; |
|
len = count; |
|
|
|
if (negative) |
|
{ |
|
*q++ = '-'; |
|
len++; |
|
} |
|
|
|
while (count-- != 0) |
|
*q++ = *p--; |
|
|
|
*q = '\0'; |
|
return len; |
|
} |
|
|
|
/* |
|
* Convert a long long to a null terminated string. |
|
*/ |
|
int LongLongToStr(signed long long value, char *string) |
|
{ |
|
unsigned int len, count = 0; |
|
unsigned long long current = value; |
|
char chars[MAXLONGLONGCHARSIZE]; |
|
char *p = chars; |
|
char *q = string; |
|
bool negative = false; |
|
|
|
if (value < 0) |
|
{ |
|
current = -value; |
|
negative = true; |
|
} |
|
|
|
do |
|
{ |
|
unsigned long long remainder = current % base; |
|
*p++ = alphaNumerics[remainder]; |
|
current /= base; |
|
count++; |
|
} while (current >= 1); |
|
|
|
p--; |
|
len = count; |
|
|
|
if (negative) |
|
{ |
|
*q++ = '-'; |
|
len++; |
|
} |
|
|
|
while (count-- != 0) |
|
*q++ = *p--; |
|
|
|
*q = '\0'; |
|
return len; |
|
} |
|
|
|
/* |
|
* Convert a null terminated string to a long long. |
|
*/ |
|
int StrToLongLong(char *string, unsigned long long *value) |
|
{ |
|
signed long long result = 0; |
|
bool negative = false; |
|
char *p = string; |
|
int count = 0; |
|
|
|
if (*p == '-') |
|
{ |
|
negative = true; |
|
p++; |
|
} |
|
|
|
while (*p != '\0') |
|
{ |
|
if (*p < '0' || *p > '9' || count > 20) |
|
{ |
|
return -1; |
|
} |
|
|
|
result *= 10; |
|
result += (*p++) - '0'; |
|
} |
|
|
|
*value = negative ? -result : result; |
|
return count; |
|
}
|
|
|