| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * 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 of the License, 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 |
| */ |
| #ifndef __PJ_CTYPE_H__ |
| #define __PJ_CTYPE_H__ |
| |
| /** |
| * @file ctype.h |
| * @brief C type helper macros. |
| */ |
| |
| #include <pj/types.h> |
| #include <pj/compat/ctype.h> |
| |
| PJ_BEGIN_DECL |
| |
| /** |
| * @defgroup pj_ctype ctype - Character Type |
| * @ingroup PJ_MISC |
| * @{ |
| * |
| * This module contains several inline functions/macros for testing or |
| * manipulating character types. It is provided in PJLIB because PJLIB |
| * must not depend to LIBC. |
| */ |
| |
| /** |
| * Returns a non-zero value if either isalpha or isdigit is true for c. |
| * @param c The integer character to test. |
| * @return Non-zero value if either isalpha or isdigit is true for c. |
| */ |
| PJ_INLINE(int) pj_isalnum(unsigned char c) { return isalnum(c); } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of an |
| * alphabetic character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of an |
| * alphabetic character. |
| */ |
| PJ_INLINE(int) pj_isalpha(unsigned char c) { return isalpha(c); } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of an |
| * ASCII character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * an ASCII character. |
| */ |
| PJ_INLINE(int) pj_isascii(unsigned char c) { return c<128; } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of |
| * a decimal-digit character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * a decimal-digit character. |
| */ |
| PJ_INLINE(int) pj_isdigit(unsigned char c) { return isdigit(c); } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of |
| * a space character (0x09 - 0x0D or 0x20). |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * a space character (0x09 - 0x0D or 0x20). |
| */ |
| PJ_INLINE(int) pj_isspace(unsigned char c) { return isspace(c); } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of |
| * a lowercase character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * a lowercase character. |
| */ |
| PJ_INLINE(int) pj_islower(unsigned char c) { return islower(c); } |
| |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of |
| * a uppercase character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * a uppercase character. |
| */ |
| PJ_INLINE(int) pj_isupper(unsigned char c) { return isupper(c); } |
| |
| /** |
| * Returns a non-zero value if c is a either a space (' ') or horizontal |
| * tab ('\\t') character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a either a space (' ') or horizontal |
| * tab ('\\t') character. |
| */ |
| PJ_INLINE(int) pj_isblank(unsigned char c) { return isblank(c); } |
| |
| /** |
| * Converts character to lowercase. |
| * @param c The integer character to convert. |
| * @return Lowercase character of c. |
| */ |
| PJ_INLINE(int) pj_tolower(unsigned char c) { return tolower(c); } |
| |
| /** |
| * Converts character to uppercase. |
| * @param c The integer character to convert. |
| * @return Uppercase character of c. |
| */ |
| PJ_INLINE(int) pj_toupper(unsigned char c) { return toupper(c); } |
| |
| /** |
| * Returns a non-zero value if c is a particular representation of |
| * an hexadecimal digit character. |
| * @param c The integer character to test. |
| * @return Non-zero value if c is a particular representation of |
| * an hexadecimal digit character. |
| */ |
| PJ_INLINE(int) pj_isxdigit(unsigned char c){ return isxdigit(c); } |
| |
| /** |
| * Array of hex digits, in lowerspace. |
| */ |
| /*extern char pj_hex_digits[];*/ |
| #define pj_hex_digits "0123456789abcdef" |
| |
| /** |
| * Convert a value to hex representation. |
| * @param value Integral value to convert. |
| * @param p Buffer to hold the hex representation, which must be |
| * at least two bytes length. |
| */ |
| PJ_INLINE(void) pj_val_to_hex_digit(unsigned value, char *p) |
| { |
| *p++ = pj_hex_digits[ (value & 0xF0) >> 4 ]; |
| *p = pj_hex_digits[ (value & 0x0F) ]; |
| } |
| |
| /** |
| * Convert hex digit c to integral value. |
| * @param c The hex digit character. |
| * @return The integral value between 0 and 15. |
| */ |
| PJ_INLINE(unsigned) pj_hex_digit_to_val(unsigned char c) |
| { |
| if (c <= '9') |
| return (c-'0') & 0x0F; |
| else if (c <= 'F') |
| return (c-'A'+10) & 0x0F; |
| else |
| return (c-'a'+10) & 0x0F; |
| } |
| |
| /** @} */ |
| |
| PJ_END_DECL |
| |
| #endif /* __PJ_CTYPE_H__ */ |
| |