зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.6 KiB
C++
148 строки
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsCRTGlue_h__
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#define nsCRTGlue_h__
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#include "nscore.h"
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/**
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* Scan a string for the first character that is *not* in a set of
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* delimiters. If the string is only delimiter characters, the end of the
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* string is returned.
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*
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* @param aDelims The set of delimiters (null-terminated)
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* @param aStr The string to search (null-terminated)
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*/
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const char* NS_strspnp(const char* aDelims, const char* aStr);
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/**
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* Tokenize a string. This function is similar to the strtok function in the
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* C standard library, but it does not use static variables to maintain state
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* and is therefore thread and reentrancy-safe.
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*
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* Any leading delimiters in str are skipped. Then the string is scanned
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* until an additional delimiter or end-of-string is found. The final
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* delimiter is set to '\0'.
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*
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* @param aDelims The set of delimiters.
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* @param aStr The string to search. This is an in-out parameter; it is
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* reset to the end of the found token + 1, or to the
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* end-of-string if there are no more tokens.
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* @return The token. If no token is found (the string is only
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* delimiter characters), nullptr is returned.
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*/
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char* NS_strtok(const char* aDelims, char** aStr);
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/**
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* "strlen" for char16_t strings
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*/
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uint32_t NS_strlen(const char16_t* aString);
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/**
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* "strcmp" for char16_t strings
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*/
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int NS_strcmp(const char16_t* aStrA, const char16_t* aStrB);
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/**
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* "strncmp" for char16_t strings
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*/
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int NS_strncmp(const char16_t* aStrA, const char16_t* aStrB, size_t aLen);
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/**
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* "strdup" for char16_t strings, uses the moz_xmalloc allocator.
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*/
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char16_t* NS_strdup(const char16_t* aString);
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/**
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* "strdup", but using the moz_xmalloc allocator.
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*/
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char* NS_strdup(const char* aString);
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/**
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* strndup for char16_t or char strings (normal strndup is not available on
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* windows). This function will ensure that the new string is
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* null-terminated. Uses the moz_xmalloc allocator.
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*
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* CharT may be either char16_t or char.
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*/
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template<typename CharT>
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CharT* NS_strndup(const CharT* aString, uint32_t aLen);
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// The following case-conversion methods only deal in the ascii repertoire
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// A-Z and a-z
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// semi-private data declarations... don't use these directly.
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class nsLowerUpperUtils
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{
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public:
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static const unsigned char kLower2Upper[256];
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static const unsigned char kUpper2Lower[256];
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};
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inline char
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NS_ToUpper(char aChar)
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{
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return (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
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}
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inline char
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NS_ToLower(char aChar)
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{
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return (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
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}
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bool NS_IsUpper(char aChar);
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bool NS_IsLower(char aChar);
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bool NS_IsAscii(char16_t aChar);
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bool NS_IsAscii(const char16_t* aString);
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bool NS_IsAsciiAlpha(char16_t aChar);
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bool NS_IsAsciiDigit(char16_t aChar);
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bool NS_IsAsciiWhitespace(char16_t aChar);
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bool NS_IsAscii(const char* aString);
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bool NS_IsAscii(const char* aString, uint32_t aLength);
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#ifndef XPCOM_GLUE_AVOID_NSPR
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void NS_MakeRandomString(char* aBuf, int32_t aBufLen);
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#endif
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#define FF '\f'
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#define TAB '\t'
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#define CRSTR "\015"
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#define LFSTR "\012"
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#define CRLF "\015\012" /* A CR LF equivalent string */
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// We use the most restrictive filesystem as our default set of illegal filename
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// characters. This is currently Windows.
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#define OS_FILE_ILLEGAL_CHARACTERS "/:*?\"<>|"
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// We also provide a list of all known file path separators for all filesystems.
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// This can be used in replacement of FILE_PATH_SEPARATOR when you need to
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// identify or replace all known path separators.
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#define KNOWN_PATH_SEPARATORS "\\/"
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#if defined(XP_MACOSX)
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#define FILE_PATH_SEPARATOR "/"
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#elif defined(XP_WIN)
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#define FILE_PATH_SEPARATOR "\\"
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#elif defined(XP_UNIX)
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#define FILE_PATH_SEPARATOR "/"
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#else
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#error need_to_define_your_file_path_separator_and_maybe_illegal_characters
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#endif
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// Not all these control characters are illegal in all OSs, but we don't really
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// want them appearing in filenames
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#define CONTROL_CHARACTERS "\001\002\003\004\005\006\007" \
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"\010\011\012\013\014\015\016\017" \
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"\020\021\022\023\024\025\026\027" \
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"\030\031\032\033\034\035\036\037"
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#define FILE_ILLEGAL_CHARACTERS CONTROL_CHARACTERS OS_FILE_ILLEGAL_CHARACTERS
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#endif // nsCRTGlue_h__
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