/* $Header: /pjproject-0.3/pjlib/include/pj/ctype.h 4     10/14/05 12:26a Bennylp $ */
#ifndef __PJ_CTYPE_H__
#define __PJ_CTYPE_H__

/**
 * @file ctype.h
 * @brief C type helper macros.
 */

#include <pj/compat/ctype.h>

/**
 * @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(int 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(int 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(int c) { return isascii(c); }

/** 
 * 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(int 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(int 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(int 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(int c) { return isupper(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(int c){ return isxdigit(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(int 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(int 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(int c) { return toupper(c); }

/** @} */

#endif	/* __PJ_CTYPE_H__ */