gecko-dev/xpcom/glue/nsCRTGlue.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla XPCOM Glue.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation <http://www.mozilla.org/>.
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsCRTGlue_h__
#define nsCRTGlue_h__
#include "nscore.h"
/**
* Scan a string for the first character that is *not* in a set of
* delimiters. If the string is only delimiter characters, the end of the
* string is returned.
*
* @param delims The set of delimiters (null-terminated)
* @param str The string to search (null-terminated)
*/
NS_COM_GLUE const char*
NS_strspnp(const char *delims, const char *str);
/**
* Tokenize a string. This function is similar to the strtok function in the
* C standard library, but it does not use static variables to maintain state
* and is therefore thread and reentrancy-safe.
*
* Any leading delimiters in str are skipped. Then the string is scanned
* until an additional delimiter or end-of-string is found. The final
* delimiter is set to '\0'.
*
* @param delims The set of delimiters.
* @param str The string to search. This is an in-out parameter; it is
* reset to the end of the found token + 1, or to the
* end-of-string if there are no more tokens.
* @return The token. If no token is found (the string is only
* delimiter characters), NULL is returned.
*/
NS_COM_GLUE char*
NS_strtok(const char *delims, char **str);
/**
* "strlen" for PRUnichar strings
*/
NS_COM_GLUE PRUint32
NS_strlen(const PRUnichar *aString);
/**
* "strcmp" for PRUnichar strings
*/
NS_COM_GLUE int
NS_strcmp(const PRUnichar *a, const PRUnichar *b);
/**
* "strdup" for PRUnichar strings, uses the NS_Alloc allocator.
*/
NS_COM_GLUE PRUnichar*
NS_strdup(const PRUnichar *aString);
/**
* strndup for PRUnichar strings... this function will ensure that the
* new string is null-terminated. Uses the NS_Alloc allocator.
*/
NS_COM_GLUE PRUnichar*
NS_strndup(const PRUnichar *aString, PRUint32 aLen);
// The following case-conversion methods only deal in the ascii repertoire
// A-Z and a-z
// semi-private data declarations... don't use these directly.
class NS_COM_GLUE nsLowerUpperUtils {
public:
static const unsigned char kLower2Upper[256];
static const unsigned char kUpper2Lower[256];
};
inline char NS_ToUpper(char aChar)
{
return (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
}
inline char NS_ToLower(char aChar)
{
return (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
}
NS_COM_GLUE PRBool NS_IsUpper(char aChar);
NS_COM_GLUE PRBool NS_IsLower(char aChar);
NS_COM_GLUE PRBool NS_IsAscii(PRUnichar aChar);
NS_COM_GLUE PRBool NS_IsAscii(const PRUnichar* aString);
NS_COM_GLUE PRBool NS_IsAsciiAlpha(PRUnichar aChar);
NS_COM_GLUE PRBool NS_IsAsciiDigit(PRUnichar aChar);
NS_COM_GLUE PRBool NS_IsAsciiWhitespace(PRUnichar aChar);
NS_COM_GLUE PRBool NS_IsAscii(const char* aString);
NS_COM_GLUE PRBool NS_IsAscii(const char* aString, PRUint32 aLength);
#endif // nsCRTGlue_h__