diff options
Diffstat (limited to 'indra/llcommon/llstring.h')
| -rw-r--r-- | indra/llcommon/llstring.h | 2452 |
1 files changed, 1226 insertions, 1226 deletions
diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h index 9478dff871..196fd1eea8 100644 --- a/indra/llcommon/llstring.h +++ b/indra/llcommon/llstring.h @@ -1,25 +1,25 @@ -/** +/** * @file llstring.h * @brief String utility functions and std::string class. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library 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 * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -61,85 +61,85 @@ namespace std template<> struct char_traits<U16> { - typedef U16 char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - typedef mbstate_t state_type; - - static void - assign(char_type& __c1, const char_type& __c2) - { __c1 = __c2; } - - static bool - eq(const char_type& __c1, const char_type& __c2) - { return __c1 == __c2; } - - static bool - lt(const char_type& __c1, const char_type& __c2) - { return __c1 < __c2; } - - static int - compare(const char_type* __s1, const char_type* __s2, size_t __n) - { return memcmp(__s1, __s2, __n * sizeof(char_type)); } - - static size_t - length(const char_type* __s) - { - const char_type *cur_char = __s; - while (*cur_char != 0) - { - ++cur_char; - } - return cur_char - __s; - } - - static const char_type* - find(const char_type* __s, size_t __n, const char_type& __a) - { return static_cast<const char_type*>(memchr(__s, __a, __n * sizeof(char_type))); } - - static char_type* - move(char_type* __s1, const char_type* __s2, size_t __n) - { return static_cast<char_type*>(memmove(__s1, __s2, __n * sizeof(char_type))); } - - static char_type* - copy(char_type* __s1, const char_type* __s2, size_t __n) - { return static_cast<char_type*>(memcpy(__s1, __s2, __n * sizeof(char_type))); } /* Flawfinder: ignore */ - - static char_type* - assign(char_type* __s, size_t __n, char_type __a) - { - // This isn't right. - //return static_cast<char_type*>(memset(__s, __a, __n * sizeof(char_type))); - - // I don't think there's a standard 'memset' for 16-bit values. - // Do this the old-fashioned way. - - size_t __i; - for(__i = 0; __i < __n; __i++) - { - __s[__i] = __a; - } - return __s; - } - - static char_type - to_char_type(const int_type& __c) - { return static_cast<char_type>(__c); } - - static int_type - to_int_type(const char_type& __c) - { return static_cast<int_type>(__c); } - - static bool - eq_int_type(const int_type& __c1, const int_type& __c2) - { return __c1 == __c2; } - - static int_type - eof() { return static_cast<int_type>(EOF); } - - static int_type - not_eof(const int_type& __c) + typedef U16 char_type; + typedef int int_type; + typedef streampos pos_type; + typedef streamoff off_type; + typedef mbstate_t state_type; + + static void + assign(char_type& __c1, const char_type& __c2) + { __c1 = __c2; } + + static bool + eq(const char_type& __c1, const char_type& __c2) + { return __c1 == __c2; } + + static bool + lt(const char_type& __c1, const char_type& __c2) + { return __c1 < __c2; } + + static int + compare(const char_type* __s1, const char_type* __s2, size_t __n) + { return memcmp(__s1, __s2, __n * sizeof(char_type)); } + + static size_t + length(const char_type* __s) + { + const char_type *cur_char = __s; + while (*cur_char != 0) + { + ++cur_char; + } + return cur_char - __s; + } + + static const char_type* + find(const char_type* __s, size_t __n, const char_type& __a) + { return static_cast<const char_type*>(memchr(__s, __a, __n * sizeof(char_type))); } + + static char_type* + move(char_type* __s1, const char_type* __s2, size_t __n) + { return static_cast<char_type*>(memmove(__s1, __s2, __n * sizeof(char_type))); } + + static char_type* + copy(char_type* __s1, const char_type* __s2, size_t __n) + { return static_cast<char_type*>(memcpy(__s1, __s2, __n * sizeof(char_type))); } /* Flawfinder: ignore */ + + static char_type* + assign(char_type* __s, size_t __n, char_type __a) + { + // This isn't right. + //return static_cast<char_type*>(memset(__s, __a, __n * sizeof(char_type))); + + // I don't think there's a standard 'memset' for 16-bit values. + // Do this the old-fashioned way. + + size_t __i; + for(__i = 0; __i < __n; __i++) + { + __s[__i] = __a; + } + return __s; + } + + static char_type + to_char_type(const int_type& __c) + { return static_cast<char_type>(__c); } + + static int_type + to_int_type(const char_type& __c) + { return static_cast<int_type>(__c); } + + static bool + eq_int_type(const int_type& __c1, const int_type& __c2) + { return __c1 == __c2; } + + static int_type + eof() { return static_cast<int_type>(EOF); } + + static int_type + not_eof(const int_type& __c) { return (__c == eof()) ? 0 : __c; } }; }; @@ -148,72 +148,72 @@ struct char_traits<U16> class LL_COMMON_API LLStringOps { private: - static long sPacificTimeOffset; - static long sLocalTimeOffset; - static bool sPacificDaylightTime; + static long sPacificTimeOffset; + static long sLocalTimeOffset; + static bool sPacificDaylightTime; - static std::map<std::string, std::string> datetimeToCodes; + static std::map<std::string, std::string> datetimeToCodes; public: - static std::vector<std::string> sWeekDayList; - static std::vector<std::string> sWeekDayShortList; - static std::vector<std::string> sMonthList; - static std::vector<std::string> sMonthShortList; - static std::string sDayFormat; + static std::vector<std::string> sWeekDayList; + static std::vector<std::string> sWeekDayShortList; + static std::vector<std::string> sMonthList; + static std::vector<std::string> sMonthShortList; + static std::string sDayFormat; - static std::string sAM; - static std::string sPM; + static std::string sAM; + static std::string sPM; - static char toUpper(char elem) { return toupper((unsigned char)elem); } - static llwchar toUpper(llwchar elem) { return towupper(elem); } - - static char toLower(char elem) { return tolower((unsigned char)elem); } - static llwchar toLower(llwchar elem) { return towlower(elem); } + static char toUpper(char elem) { return toupper((unsigned char)elem); } + static llwchar toUpper(llwchar elem) { return towupper(elem); } - static bool isSpace(char elem) { return isspace((unsigned char)elem) != 0; } - static bool isSpace(llwchar elem) { return iswspace(elem) != 0; } + static char toLower(char elem) { return tolower((unsigned char)elem); } + static llwchar toLower(llwchar elem) { return towlower(elem); } - static bool isUpper(char elem) { return isupper((unsigned char)elem) != 0; } - static bool isUpper(llwchar elem) { return iswupper(elem) != 0; } + static bool isSpace(char elem) { return isspace((unsigned char)elem) != 0; } + static bool isSpace(llwchar elem) { return iswspace(elem) != 0; } - static bool isLower(char elem) { return islower((unsigned char)elem) != 0; } - static bool isLower(llwchar elem) { return iswlower(elem) != 0; } + static bool isUpper(char elem) { return isupper((unsigned char)elem) != 0; } + static bool isUpper(llwchar elem) { return iswupper(elem) != 0; } - static bool isDigit(char a) { return isdigit((unsigned char)a) != 0; } - static bool isDigit(llwchar a) { return iswdigit(a) != 0; } + static bool isLower(char elem) { return islower((unsigned char)elem) != 0; } + static bool isLower(llwchar elem) { return iswlower(elem) != 0; } - static bool isPunct(char a) { return ispunct((unsigned char)a) != 0; } - static bool isPunct(llwchar a) { return iswpunct(a) != 0; } + static bool isDigit(char a) { return isdigit((unsigned char)a) != 0; } + static bool isDigit(llwchar a) { return iswdigit(a) != 0; } - static bool isAlpha(char a) { return isalpha((unsigned char)a) != 0; } - static bool isAlpha(llwchar a) { return iswalpha(a) != 0; } + static bool isPunct(char a) { return ispunct((unsigned char)a) != 0; } + static bool isPunct(llwchar a) { return iswpunct(a) != 0; } - static bool isAlnum(char a) { return isalnum((unsigned char)a) != 0; } - static bool isAlnum(llwchar a) { return iswalnum(a) != 0; } + static bool isAlpha(char a) { return isalpha((unsigned char)a) != 0; } + static bool isAlpha(llwchar a) { return iswalpha(a) != 0; } - static bool isEmoji(llwchar wch); + static bool isAlnum(char a) { return isalnum((unsigned char)a) != 0; } + static bool isAlnum(llwchar a) { return iswalnum(a) != 0; } - static S32 collate(const char* a, const char* b) { return strcoll(a, b); } - static S32 collate(const llwchar* a, const llwchar* b); + static bool isEmoji(llwchar wch); - static void setupDatetimeInfo(bool pacific_daylight_time); + static S32 collate(const char* a, const char* b) { return strcoll(a, b); } + static S32 collate(const llwchar* a, const llwchar* b); - static void setupWeekDaysNames(const std::string& data); - static void setupWeekDaysShortNames(const std::string& data); - static void setupMonthNames(const std::string& data); - static void setupMonthShortNames(const std::string& data); - static void setupDayFormat(const std::string& data); + static void setupDatetimeInfo(bool pacific_daylight_time); + static void setupWeekDaysNames(const std::string& data); + static void setupWeekDaysShortNames(const std::string& data); + static void setupMonthNames(const std::string& data); + static void setupMonthShortNames(const std::string& data); + static void setupDayFormat(const std::string& data); - static long getPacificTimeOffset(void) { return sPacificTimeOffset;} - static long getLocalTimeOffset(void) { return sLocalTimeOffset;} - // Is the Pacific time zone (aka server time zone) - // currently in daylight savings time? - static bool getPacificDaylightTime(void) { return sPacificDaylightTime;} - static std::string getDatetimeCode (std::string key); + static long getPacificTimeOffset(void) { return sPacificTimeOffset;} + static long getLocalTimeOffset(void) { return sLocalTimeOffset;} + // Is the Pacific time zone (aka server time zone) + // currently in daylight savings time? + static bool getPacificDaylightTime(void) { return sPacificDaylightTime;} - // Express a value like 1234567 as "1.23M" + static std::string getDatetimeCode (std::string key); + + // Express a value like 1234567 as "1.23M" static std::string getReadableNumber(F64 num); }; @@ -230,216 +230,216 @@ LL_COMMON_API std::string ll_safe_string(const char* in, S32 maxlen); class LLFormatMapString { public: - LLFormatMapString() {}; - LLFormatMapString(const char* s) : mString(ll_safe_string(s)) {}; - LLFormatMapString(const std::string& s) : mString(s) {}; - operator std::string() const { return mString; } - bool operator<(const LLFormatMapString& rhs) const { return mString < rhs.mString; } - std::size_t length() const { return mString.length(); } - + LLFormatMapString() {}; + LLFormatMapString(const char* s) : mString(ll_safe_string(s)) {}; + LLFormatMapString(const std::string& s) : mString(s) {}; + operator std::string() const { return mString; } + bool operator<(const LLFormatMapString& rhs) const { return mString < rhs.mString; } + std::size_t length() const { return mString.length(); } + private: - std::string mString; + std::string mString; }; template <class T> class LLStringUtilBase { private: - static std::string sLocale; + static std::string sLocale; public: - typedef std::basic_string<T> string_type; - typedef typename string_type::size_type size_type; - + typedef std::basic_string<T> string_type; + typedef typename string_type::size_type size_type; + public: - ///////////////////////////////////////////////////////////////////////////////////////// - // Static Utility functions that operate on std::strings - - static const string_type null; - - typedef std::map<LLFormatMapString, LLFormatMapString> format_map_t; - /// considers any sequence of delims as a single field separator - LL_COMMON_API static void getTokens(const string_type& instr, - std::vector<string_type >& tokens, - const string_type& delims); - /// like simple scan overload, but returns scanned vector - static std::vector<string_type> getTokens(const string_type& instr, - const string_type& delims); - /// add support for keep_delims and quotes (either could be empty string) - static void getTokens(const string_type& instr, - std::vector<string_type>& tokens, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes=string_type()); - /// like keep_delims-and-quotes overload, but returns scanned vector - static std::vector<string_type> getTokens(const string_type& instr, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes=string_type()); - /// add support for escapes (could be empty string) - static void getTokens(const string_type& instr, - std::vector<string_type>& tokens, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes, - const string_type& escapes); - /// like escapes overload, but returns scanned vector - static std::vector<string_type> getTokens(const string_type& instr, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes, - const string_type& escapes); - - LL_COMMON_API static void formatNumber(string_type& numStr, string_type decimals); - LL_COMMON_API static bool formatDatetime(string_type& replacement, string_type token, string_type param, S32 secFromEpoch); - LL_COMMON_API static S32 format(string_type& s, const format_map_t& substitutions); - LL_COMMON_API static S32 format(string_type& s, const LLSD& substitutions); - LL_COMMON_API static bool simpleReplacement(string_type& replacement, string_type token, const format_map_t& substitutions); - LL_COMMON_API static bool simpleReplacement(string_type& replacement, string_type token, const LLSD& substitutions); - LL_COMMON_API static void setLocale (std::string inLocale); - LL_COMMON_API static std::string getLocale (void); - - static bool isValidIndex(const string_type& string, size_type i) - { - return !string.empty() && (0 <= i) && (i <= string.size()); - } - - static bool contains(const string_type& string, T c, size_type i=0) - { - return string.find(c, i) != string_type::npos; - } - - static void trimHead(string_type& string); - static void trimTail(string_type& string); - static void trim(string_type& string) { trimHead(string); trimTail(string); } - static void truncate(string_type& string, size_type count); - - static void toUpper(string_type& string); - static void toLower(string_type& string); - - // True if this is the head of s. - static BOOL isHead( const string_type& string, const T* s ); - - /** - * @brief Returns true if string starts with substr - * - * If etither string or substr are empty, this method returns false. - */ - static bool startsWith( - const string_type& string, - const string_type& substr); - - /** - * @brief Returns true if string ends in substr - * - * If etither string or substr are empty, this method returns false. - */ - static bool endsWith( - const string_type& string, - const string_type& substr); - - /** - * get environment string value with proper Unicode handling - * (key is always UTF-8) - * detect absence by return value == dflt - */ - static string_type getenv(const std::string& key, const string_type& dflt=""); - /** - * get optional environment string value with proper Unicode handling - * (key is always UTF-8) - * detect absence by (! return value) - */ - static boost::optional<string_type> getoptenv(const std::string& key); - - static void addCRLF(string_type& string); - static void removeCRLF(string_type& string); - static void removeWindowsCR(string_type& string); - - static void replaceTabsWithSpaces( string_type& string, size_type spaces_per_tab ); - static void replaceNonstandardASCII( string_type& string, T replacement ); - static void replaceChar( string_type& string, T target, T replacement ); - static void replaceString( string_type& string, string_type target, string_type replacement ); - static string_type capitalize(const string_type& str); - static void capitalize(string_type& str); - - static BOOL containsNonprintable(const string_type& string); - static void stripNonprintable(string_type& string); - - /** - * Double-quote an argument string if needed, unless it's already - * double-quoted. Decide whether it's needed based on the presence of any - * character in @a triggers (default space or double-quote). If we quote - * it, escape any embedded double-quote with the @a escape string (default - * backslash). - * - * Passing triggers="" means always quote, unless it's already double-quoted. - */ - static string_type quote(const string_type& str, - const string_type& triggers=" \"", - const string_type& escape="\\"); - - /** - * @brief Unsafe way to make ascii characters. You should probably - * only call this when interacting with the host operating system. - * The 1 byte std::string does not work correctly. - * The 2 and 4 byte std::string probably work, so LLWStringUtil::_makeASCII - * should work. - */ - static void _makeASCII(string_type& string); - - // Conversion to other data types - static BOOL convertToBOOL(const string_type& string, BOOL& value); - static BOOL convertToU8(const string_type& string, U8& value); - static BOOL convertToS8(const string_type& string, S8& value); - static BOOL convertToS16(const string_type& string, S16& value); - static BOOL convertToU16(const string_type& string, U16& value); - static BOOL convertToU32(const string_type& string, U32& value); - static BOOL convertToS32(const string_type& string, S32& value); - static BOOL convertToF32(const string_type& string, F32& value); - static BOOL convertToF64(const string_type& string, F64& value); - - ///////////////////////////////////////////////////////////////////////////////////////// - // Utility functions for working with char*'s and strings - - // Like strcmp but also handles empty strings. Uses - // current locale. - static S32 compareStrings(const T* lhs, const T* rhs); - static S32 compareStrings(const string_type& lhs, const string_type& rhs); - - // case insensitive version of above. Uses current locale on - // Win32, and falls back to a non-locale aware comparison on - // Linux. - static S32 compareInsensitive(const T* lhs, const T* rhs); - static S32 compareInsensitive(const string_type& lhs, const string_type& rhs); - - // Case sensitive comparison with good handling of numbers. Does not use current locale. - // a.k.a. strdictcmp() - static S32 compareDict(const string_type& a, const string_type& b); - - // Case *in*sensitive comparison with good handling of numbers. Does not use current locale. - // a.k.a. strdictcmp() - static S32 compareDictInsensitive(const string_type& a, const string_type& b); - - // Puts compareDict() in a form appropriate for LL container classes to use for sorting. - static BOOL precedesDict( const string_type& a, const string_type& b ); - - // A replacement for strncpy. - // If the dst buffer is dst_size bytes long or more, ensures that dst is null terminated and holds - // up to dst_size-1 characters of src. - static void copy(T* dst, const T* src, size_type dst_size); - - // Copies src into dst at a given offset. - static void copyInto(string_type& dst, const string_type& src, size_type offset); - - static bool isPartOfWord(T c) { return (c == (T)'_') || LLStringOps::isAlnum(c); } - - -#ifdef _DEBUG - LL_COMMON_API static void testHarness(); + ///////////////////////////////////////////////////////////////////////////////////////// + // Static Utility functions that operate on std::strings + + static const string_type null; + + typedef std::map<LLFormatMapString, LLFormatMapString> format_map_t; + /// considers any sequence of delims as a single field separator + LL_COMMON_API static void getTokens(const string_type& instr, + std::vector<string_type >& tokens, + const string_type& delims); + /// like simple scan overload, but returns scanned vector + static std::vector<string_type> getTokens(const string_type& instr, + const string_type& delims); + /// add support for keep_delims and quotes (either could be empty string) + static void getTokens(const string_type& instr, + std::vector<string_type>& tokens, + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes=string_type()); + /// like keep_delims-and-quotes overload, but returns scanned vector + static std::vector<string_type> getTokens(const string_type& instr, + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes=string_type()); + /// add support for escapes (could be empty string) + static void getTokens(const string_type& instr, + std::vector<string_type>& tokens, + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes, + const string_type& escapes); + /// like escapes overload, but returns scanned vector + static std::vector<string_type> getTokens(const string_type& instr, + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes, + const string_type& escapes); + + LL_COMMON_API static void formatNumber(string_type& numStr, string_type decimals); + LL_COMMON_API static bool formatDatetime(string_type& replacement, string_type token, string_type param, S32 secFromEpoch); + LL_COMMON_API static S32 format(string_type& s, const format_map_t& substitutions); + LL_COMMON_API static S32 format(string_type& s, const LLSD& substitutions); + LL_COMMON_API static bool simpleReplacement(string_type& replacement, string_type token, const format_map_t& substitutions); + LL_COMMON_API static bool simpleReplacement(string_type& replacement, string_type token, const LLSD& substitutions); + LL_COMMON_API static void setLocale (std::string inLocale); + LL_COMMON_API static std::string getLocale (void); + + static bool isValidIndex(const string_type& string, size_type i) + { + return !string.empty() && (0 <= i) && (i <= string.size()); + } + + static bool contains(const string_type& string, T c, size_type i=0) + { + return string.find(c, i) != string_type::npos; + } + + static void trimHead(string_type& string); + static void trimTail(string_type& string); + static void trim(string_type& string) { trimHead(string); trimTail(string); } + static void truncate(string_type& string, size_type count); + + static void toUpper(string_type& string); + static void toLower(string_type& string); + + // True if this is the head of s. + static BOOL isHead( const string_type& string, const T* s ); + + /** + * @brief Returns true if string starts with substr + * + * If etither string or substr are empty, this method returns false. + */ + static bool startsWith( + const string_type& string, + const string_type& substr); + + /** + * @brief Returns true if string ends in substr + * + * If etither string or substr are empty, this method returns false. + */ + static bool endsWith( + const string_type& string, + const string_type& substr); + + /** + * get environment string value with proper Unicode handling + * (key is always UTF-8) + * detect absence by return value == dflt + */ + static string_type getenv(const std::string& key, const string_type& dflt=""); + /** + * get optional environment string value with proper Unicode handling + * (key is always UTF-8) + * detect absence by (! return value) + */ + static boost::optional<string_type> getoptenv(const std::string& key); + + static void addCRLF(string_type& string); + static void removeCRLF(string_type& string); + static void removeWindowsCR(string_type& string); + + static void replaceTabsWithSpaces( string_type& string, size_type spaces_per_tab ); + static void replaceNonstandardASCII( string_type& string, T replacement ); + static void replaceChar( string_type& string, T target, T replacement ); + static void replaceString( string_type& string, string_type target, string_type replacement ); + static string_type capitalize(const string_type& str); + static void capitalize(string_type& str); + + static BOOL containsNonprintable(const string_type& string); + static void stripNonprintable(string_type& string); + + /** + * Double-quote an argument string if needed, unless it's already + * double-quoted. Decide whether it's needed based on the presence of any + * character in @a triggers (default space or double-quote). If we quote + * it, escape any embedded double-quote with the @a escape string (default + * backslash). + * + * Passing triggers="" means always quote, unless it's already double-quoted. + */ + static string_type quote(const string_type& str, + const string_type& triggers=" \"", + const string_type& escape="\\"); + + /** + * @brief Unsafe way to make ascii characters. You should probably + * only call this when interacting with the host operating system. + * The 1 byte std::string does not work correctly. + * The 2 and 4 byte std::string probably work, so LLWStringUtil::_makeASCII + * should work. + */ + static void _makeASCII(string_type& string); + + // Conversion to other data types + static BOOL convertToBOOL(const string_type& string, BOOL& value); + static BOOL convertToU8(const string_type& string, U8& value); + static BOOL convertToS8(const string_type& string, S8& value); + static BOOL convertToS16(const string_type& string, S16& value); + static BOOL convertToU16(const string_type& string, U16& value); + static BOOL convertToU32(const string_type& string, U32& value); + static BOOL convertToS32(const string_type& string, S32& value); + static BOOL convertToF32(const string_type& string, F32& value); + static BOOL convertToF64(const string_type& string, F64& value); + + ///////////////////////////////////////////////////////////////////////////////////////// + // Utility functions for working with char*'s and strings + + // Like strcmp but also handles empty strings. Uses + // current locale. + static S32 compareStrings(const T* lhs, const T* rhs); + static S32 compareStrings(const string_type& lhs, const string_type& rhs); + + // case insensitive version of above. Uses current locale on + // Win32, and falls back to a non-locale aware comparison on + // Linux. + static S32 compareInsensitive(const T* lhs, const T* rhs); + static S32 compareInsensitive(const string_type& lhs, const string_type& rhs); + + // Case sensitive comparison with good handling of numbers. Does not use current locale. + // a.k.a. strdictcmp() + static S32 compareDict(const string_type& a, const string_type& b); + + // Case *in*sensitive comparison with good handling of numbers. Does not use current locale. + // a.k.a. strdictcmp() + static S32 compareDictInsensitive(const string_type& a, const string_type& b); + + // Puts compareDict() in a form appropriate for LL container classes to use for sorting. + static BOOL precedesDict( const string_type& a, const string_type& b ); + + // A replacement for strncpy. + // If the dst buffer is dst_size bytes long or more, ensures that dst is null terminated and holds + // up to dst_size-1 characters of src. + static void copy(T* dst, const T* src, size_type dst_size); + + // Copies src into dst at a given offset. + static void copyInto(string_type& dst, const string_type& src, size_type offset); + + static bool isPartOfWord(T c) { return (c == (T)'_') || LLStringOps::isAlnum(c); } + + +#ifdef _DEBUG + LL_COMMON_API static void testHarness(); #endif private: - LL_COMMON_API static size_type getSubstitution(const string_type& instr, size_type& start, std::vector<string_type >& tokens); + LL_COMMON_API static size_type getSubstitution(const string_type& instr, size_type& start, std::vector<string_type >& tokens); }; template<class T> const std::basic_string<T> LLStringUtilBase<T>::null; @@ -455,18 +455,18 @@ typedef std::basic_string<llwchar> LLWString; class LLStringExplicit : public std::string { public: - explicit LLStringExplicit(const char* s) : std::string(s) {} - LLStringExplicit(const std::string& s) : std::string(s) {} - LLStringExplicit(const std::string& s, size_type pos, size_type n = std::string::npos) : std::string(s, pos, n) {} + explicit LLStringExplicit(const char* s) : std::string(s) {} + LLStringExplicit(const std::string& s) : std::string(s) {} + LLStringExplicit(const std::string& s, size_type pos, size_type n = std::string::npos) : std::string(s, pos, n) {} }; struct LLDictionaryLess { public: - bool operator()(const std::string& a, const std::string& b) const - { - return (LLStringUtil::precedesDict(a, b) ? true : false); - } + bool operator()(const std::string& a, const std::string& b) const + { + return (LLStringUtil::precedesDict(a, b) ? true : false); + } }; @@ -483,10 +483,10 @@ public: * @return a copy of in string minus the trailing count bytes. */ inline std::string chop_tail_copy( - const std::string& in, - std::string::size_type count) + const std::string& in, + std::string::size_type count) { - return std::string(in, 0, in.length() - count); + return std::string(in, 0, in.length() - count); } /** @@ -706,10 +706,10 @@ ll_convert_forms(ll_convert_u16_alias, std::string, llutf16string, utf16str_to_u inline std::string wstring_to_utf8str(const llutf16string &utf16str) { return utf16str_to_utf8str(utf16str);} // Length of this UTF32 string in bytes when transformed to UTF8 -LL_COMMON_API S32 wstring_utf8_length(const LLWString& wstr); +LL_COMMON_API S32 wstring_utf8_length(const LLWString& wstr); // Length in bytes of this wide char in a UTF8 string -LL_COMMON_API S32 wchar_utf8_length(const llwchar wc); +LL_COMMON_API S32 wchar_utf8_length(const llwchar wc); LL_COMMON_API std::string wchar_utf8_preview(const llwchar wc); @@ -726,7 +726,7 @@ LL_COMMON_API S32 wstring_wstring_length_from_utf16_length(const LLWString & wst /** * @brief Properly truncate a utf8 string to a maximum byte count. - * + * * The returned string may be less than max_len if the truncation * happens in the middle of a glyph. If max_len is longer than the * string passed in, the return value == utf8str. @@ -739,8 +739,8 @@ LL_COMMON_API std::string utf8str_truncate(const std::string& utf8str, const S32 LL_COMMON_API std::string utf8str_trim(const std::string& utf8str); LL_COMMON_API S32 utf8str_compare_insensitive( - const std::string& lhs, - const std::string& rhs); + const std::string& lhs, + const std::string& rhs); /** * @brief Properly truncate a utf8 string to a maximum character count. @@ -761,14 +761,14 @@ LL_COMMON_API std::string utf8str_symbol_truncate(const std::string& utf8str, co * @param replace_char The wchar which is written on replace */ LL_COMMON_API std::string utf8str_substChar( - const std::string& utf8str, - const llwchar target_char, - const llwchar replace_char); + const std::string& utf8str, + const llwchar target_char, + const llwchar replace_char); LL_COMMON_API std::string utf8str_makeASCII(const std::string& utf8str); // Hack - used for evil notecards. -LL_COMMON_API std::string mbcsstring_makeASCII(const std::string& str); +LL_COMMON_API std::string mbcsstring_makeASCII(const std::string& str); LL_COMMON_API std::string utf8str_removeCRLF(const std::string& utf8str); @@ -874,52 +874,52 @@ LL_COMMON_API boost::optional<std::string> llstring_getoptenv(const std::string */ namespace LLStringFn { - /** - * @brief Replace all non-printable characters with replacement in - * string. - * NOTE - this will zap non-ascii - * - * @param [in,out] string the to modify. out value is the string - * with zero non-printable characters. - * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. - */ - LL_COMMON_API void replace_nonprintable_in_ascii( - std::basic_string<char>& string, - char replacement); - - - /** - * @brief Replace all non-printable characters and pipe characters - * with replacement in a string. - * NOTE - this will zap non-ascii - * - * @param [in,out] the string to modify. out value is the string - * with zero non-printable characters and zero pipe characters. - * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. - */ - LL_COMMON_API void replace_nonprintable_and_pipe_in_ascii(std::basic_string<char>& str, - char replacement); - - - /** - * @brief Remove all characters that are not allowed in XML 1.0. - * Returns a copy of the string with those characters removed. - * Works with US ASCII and UTF-8 encoded strings. JC - */ - LL_COMMON_API std::string strip_invalid_xml(const std::string& input); - - - /** - * @brief Replace all control characters (0 <= c < 0x20) with replacement in - * string. This is safe for utf-8 - * - * @param [in,out] string the to modify. out value is the string - * with zero non-printable characters. - * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. - */ - LL_COMMON_API void replace_ascii_controlchars( - std::basic_string<char>& string, - char replacement); + /** + * @brief Replace all non-printable characters with replacement in + * string. + * NOTE - this will zap non-ascii + * + * @param [in,out] string the to modify. out value is the string + * with zero non-printable characters. + * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. + */ + LL_COMMON_API void replace_nonprintable_in_ascii( + std::basic_string<char>& string, + char replacement); + + + /** + * @brief Replace all non-printable characters and pipe characters + * with replacement in a string. + * NOTE - this will zap non-ascii + * + * @param [in,out] the string to modify. out value is the string + * with zero non-printable characters and zero pipe characters. + * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. + */ + LL_COMMON_API void replace_nonprintable_and_pipe_in_ascii(std::basic_string<char>& str, + char replacement); + + + /** + * @brief Remove all characters that are not allowed in XML 1.0. + * Returns a copy of the string with those characters removed. + * Works with US ASCII and UTF-8 encoded strings. JC + */ + LL_COMMON_API std::string strip_invalid_xml(const std::string& input); + + + /** + * @brief Replace all control characters (0 <= c < 0x20) with replacement in + * string. This is safe for utf-8 + * + * @param [in,out] string the to modify. out value is the string + * with zero non-printable characters. + * @param The replacement character. use LL_UNKNOWN_CHAR if unsure. + */ + LL_COMMON_API void replace_ascii_controlchars( + std::basic_string<char>& string, + char replacement); } //////////////////////////////////////////////////////////// @@ -934,36 +934,36 @@ template <class T> std::vector<typename LLStringUtilBase<T>::string_type> LLStringUtilBase<T>::getTokens(const string_type& instr, const string_type& delims) { - std::vector<string_type> tokens; - getTokens(instr, tokens, delims); - return tokens; + std::vector<string_type> tokens; + getTokens(instr, tokens, delims); + return tokens; } // static template <class T> std::vector<typename LLStringUtilBase<T>::string_type> LLStringUtilBase<T>::getTokens(const string_type& instr, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes) + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes) { - std::vector<string_type> tokens; - getTokens(instr, tokens, drop_delims, keep_delims, quotes); - return tokens; + std::vector<string_type> tokens; + getTokens(instr, tokens, drop_delims, keep_delims, quotes); + return tokens; } // static template <class T> std::vector<typename LLStringUtilBase<T>::string_type> LLStringUtilBase<T>::getTokens(const string_type& instr, - const string_type& drop_delims, - const string_type& keep_delims, - const string_type& quotes, - const string_type& escapes) -{ - std::vector<string_type> tokens; - getTokens(instr, tokens, drop_delims, keep_delims, quotes, escapes); - return tokens; + const string_type& drop_delims, + const string_type& keep_delims, + const string_type& quotes, + const string_type& escapes) +{ + std::vector<string_type> tokens; + getTokens(instr, tokens, drop_delims, keep_delims, quotes, escapes); + return tokens; } namespace LLStringUtilBaseImpl @@ -979,62 +979,62 @@ namespace LLStringUtilBaseImpl template <class T> struct InString { - typedef std::basic_string<T> string_type; - typedef typename string_type::const_iterator const_iterator; - - InString(const_iterator b, const_iterator e): - mIter(b), - mEnd(e) - {} - virtual ~InString() {} - - bool done() const { return mIter == mEnd; } - /// Is the current character (*mIter) escaped? This implementation can - /// answer trivially because it doesn't support escapes. - virtual bool escaped() const { return false; } - /// Obtain the current character and advance @c mIter. - virtual T next() { return *mIter++; } - /// Does the current character match specified character? - virtual bool is(T ch) const { return (! done()) && *mIter == ch; } - /// Is the current character any one of the specified characters? - virtual bool oneof(const string_type& delims) const - { - return (! done()) && LLStringUtilBase<T>::contains(delims, *mIter); - } - - /** - * Scan forward from @from until either @a delim or end. This is primarily - * useful for processing quoted substrings. - * - * If we do see @a delim, append everything from @from until (excluding) - * @a delim to @a into, advance @c mIter to skip @a delim, and return @c - * true. - * - * If we do not see @a delim, do not alter @a into or @c mIter and return - * @c false. Do not pass GO, do not collect $200. - * - * @note The @c false case described above implements normal getTokens() - * treatment of an unmatched open quote: treat the quote character as if - * escaped, that is, simply collect it as part of the current token. Other - * plausible behaviors directly affect the way getTokens() deals with an - * unmatched quote: e.g. throwing an exception to treat it as an error, or - * assuming a close quote beyond end of string (in which case return @c - * true). - */ - virtual bool collect_until(string_type& into, const_iterator from, T delim) - { - const_iterator found = std::find(from, mEnd, delim); - // If we didn't find delim, change nothing, just tell caller. - if (found == mEnd) - return false; - // Found delim! Append everything between from and found. - into.append(from, found); - // advance past delim in input - mIter = found + 1; - return true; - } - - const_iterator mIter, mEnd; + typedef std::basic_string<T> string_type; + typedef typename string_type::const_iterator const_iterator; + + InString(const_iterator b, const_iterator e): + mIter(b), + mEnd(e) + {} + virtual ~InString() {} + + bool done() const { return mIter == mEnd; } + /// Is the current character (*mIter) escaped? This implementation can + /// answer trivially because it doesn't support escapes. + virtual bool escaped() const { return false; } + /// Obtain the current character and advance @c mIter. + virtual T next() { return *mIter++; } + /// Does the current character match specified character? + virtual bool is(T ch) const { return (! done()) && *mIter == ch; } + /// Is the current character any one of the specified characters? + virtual bool oneof(const string_type& delims) const + { + return (! done()) && LLStringUtilBase<T>::contains(delims, *mIter); + } + + /** + * Scan forward from @from until either @a delim or end. This is primarily + * useful for processing quoted substrings. + * + * If we do see @a delim, append everything from @from until (excluding) + * @a delim to @a into, advance @c mIter to skip @a delim, and return @c + * true. + * + * If we do not see @a delim, do not alter @a into or @c mIter and return + * @c false. Do not pass GO, do not collect $200. + * + * @note The @c false case described above implements normal getTokens() + * treatment of an unmatched open quote: treat the quote character as if + * escaped, that is, simply collect it as part of the current token. Other + * plausible behaviors directly affect the way getTokens() deals with an + * unmatched quote: e.g. throwing an exception to treat it as an error, or + * assuming a close quote beyond end of string (in which case return @c + * true). + */ + virtual bool collect_until(string_type& into, const_iterator from, T delim) + { + const_iterator found = std::find(from, mEnd, delim); + // If we didn't find delim, change nothing, just tell caller. + if (found == mEnd) + return false; + // Found delim! Append everything between from and found. + into.append(from, found); + // advance past delim in input + mIter = found + 1; + return true; + } + + const_iterator mIter, mEnd; }; /// InString subclass that handles escape characters @@ -1042,177 +1042,177 @@ template <class T> class InEscString: public InString<T> { public: - typedef InString<T> super; - typedef typename super::string_type string_type; - typedef typename super::const_iterator const_iterator; - using super::done; - using super::mIter; - using super::mEnd; - - InEscString(const_iterator b, const_iterator e, const string_type& escapes): - super(b, e), - mEscapes(escapes) - { - // Even though we've already initialized 'mIter' via our base-class - // constructor, set it again to check for initial escape char. - setiter(b); - } - - /// This implementation uses the answer cached by setiter(). - virtual bool escaped() const { return mIsEsc; } - virtual T next() - { - // If we're looking at the escape character of an escape sequence, - // skip that character. This is the one time we can modify 'mIter' - // without using setiter: for this one case we DO NOT CARE if the - // escaped character is itself an escape. - if (mIsEsc) - ++mIter; - // If we were looking at an escape character, this is the escaped - // character; otherwise it's just the next character. - T result(*mIter); - // Advance mIter, checking for escape sequence. - setiter(mIter + 1); - return result; - } - - virtual bool is(T ch) const - { - // Like base-class is(), except that an escaped character matches - // nothing. - return (! done()) && (! mIsEsc) && *mIter == ch; - } - - virtual bool oneof(const string_type& delims) const - { - // Like base-class oneof(), except that an escaped character matches - // nothing. - return (! done()) && (! mIsEsc) && LLStringUtilBase<T>::contains(delims, *mIter); - } - - virtual bool collect_until(string_type& into, const_iterator from, T delim) - { - // Deal with escapes in the characters we collect; that is, an escaped - // character must become just that character without the preceding - // escape. Collect characters in a separate string rather than - // directly appending to 'into' in case we do not find delim, in which - // case we're supposed to leave 'into' unmodified. - string_type collected; - // For scanning purposes, we're going to work directly with 'mIter'. - // Save its current value in case we fail to see delim. - const_iterator save_iter(mIter); - // Okay, set 'mIter', checking for escape. - setiter(from); - while (! done()) - { - // If we see an unescaped delim, stop and report success. - if ((! mIsEsc) && *mIter == delim) - { - // Append collected chars to 'into'. - into.append(collected); - // Don't forget to advance 'mIter' past delim. - setiter(mIter + 1); - return true; - } - // We're not at end, and either we're not looking at delim or it's - // escaped. Collect this character and keep going. - collected.push_back(next()); - } - // Here we hit 'mEnd' without ever seeing delim. Restore mIter and tell - // caller. - setiter(save_iter); - return false; - } + typedef InString<T> super; + typedef typename super::string_type string_type; + typedef typename super::const_iterator const_iterator; + using super::done; + using super::mIter; + using super::mEnd; + + InEscString(const_iterator b, const_iterator e, const string_type& escapes): + super(b, e), + mEscapes(escapes) + { + // Even though we've already initialized 'mIter' via our base-class + // constructor, set it again to check for initial escape char. + setiter(b); + } + + /// This implementation uses the answer cached by setiter(). + virtual bool escaped() const { return mIsEsc; } + virtual T next() + { + // If we're looking at the escape character of an escape sequence, + // skip that character. This is the one time we can modify 'mIter' + // without using setiter: for this one case we DO NOT CARE if the + // escaped character is itself an escape. + if (mIsEsc) + ++mIter; + // If we were looking at an escape character, this is the escaped + // character; otherwise it's just the next character. + T result(*mIter); + // Advance mIter, checking for escape sequence. + setiter(mIter + 1); + return result; + } + + virtual bool is(T ch) const + { + // Like base-class is(), except that an escaped character matches + // nothing. + return (! done()) && (! mIsEsc) && *mIter == ch; + } + + virtual bool oneof(const string_type& delims) const + { + // Like base-class oneof(), except that an escaped character matches + // nothing. + return (! done()) && (! mIsEsc) && LLStringUtilBase<T>::contains(delims, *mIter); + } + + virtual bool collect_until(string_type& into, const_iterator from, T delim) + { + // Deal with escapes in the characters we collect; that is, an escaped + // character must become just that character without the preceding + // escape. Collect characters in a separate string rather than + // directly appending to 'into' in case we do not find delim, in which + // case we're supposed to leave 'into' unmodified. + string_type collected; + // For scanning purposes, we're going to work directly with 'mIter'. + // Save its current value in case we fail to see delim. + const_iterator save_iter(mIter); + // Okay, set 'mIter', checking for escape. + setiter(from); + while (! done()) + { + // If we see an unescaped delim, stop and report success. + if ((! mIsEsc) && *mIter == delim) + { + // Append collected chars to 'into'. + into.append(collected); + // Don't forget to advance 'mIter' past delim. + setiter(mIter + 1); + return true; + } + // We're not at end, and either we're not looking at delim or it's + // escaped. Collect this character and keep going. + collected.push_back(next()); + } + // Here we hit 'mEnd' without ever seeing delim. Restore mIter and tell + // caller. + setiter(save_iter); + return false; + } private: - void setiter(const_iterator i) - { - mIter = i; - - // Every time we change 'mIter', set 'mIsEsc' to be able to repetitively - // answer escaped() without having to rescan 'mEscapes'. mIsEsc caches - // contains(mEscapes, *mIter). - - // We're looking at an escaped char if we're not already at end (that - // is, *mIter is even meaningful); if *mIter is in fact one of the - // specified escape characters; and if there's one more character - // following it. That is, if an escape character is the very last - // character of the input string, it loses its special meaning. - mIsEsc = (! done()) && - LLStringUtilBase<T>::contains(mEscapes, *mIter) && - (mIter+1) != mEnd; - } - - const string_type mEscapes; - bool mIsEsc; + void setiter(const_iterator i) + { + mIter = i; + + // Every time we change 'mIter', set 'mIsEsc' to be able to repetitively + // answer escaped() without having to rescan 'mEscapes'. mIsEsc caches + // contains(mEscapes, *mIter). + + // We're looking at an escaped char if we're not already at end (that + // is, *mIter is even meaningful); if *mIter is in fact one of the + // specified escape characters; and if there's one more character + // following it. That is, if an escape character is the very last + // character of the input string, it loses its special meaning. + mIsEsc = (! done()) && + LLStringUtilBase<T>::contains(mEscapes, *mIter) && + (mIter+1) != mEnd; + } + + const string_type mEscapes; + bool mIsEsc; }; /// getTokens() implementation based on InString concept template <typename INSTRING, typename string_type> void getTokens(INSTRING& instr, std::vector<string_type>& tokens, - const string_type& drop_delims, const string_type& keep_delims, - const string_type& quotes) -{ - // There are times when we want to match either drop_delims or - // keep_delims. Concatenate them up front to speed things up. - string_type all_delims(drop_delims + keep_delims); - // no tokens yet - tokens.clear(); - - // try for another token - while (! instr.done()) - { - // scan past any drop_delims - while (instr.oneof(drop_delims)) - { - // skip this drop_delim - instr.next(); - // but if that was the end of the string, done - if (instr.done()) - return; - } - // found the start of another token: make a slot for it - tokens.push_back(string_type()); - if (instr.oneof(keep_delims)) - { - // *iter is a keep_delim, a token of exactly 1 character. Append - // that character to the new token and proceed. - tokens.back().push_back(instr.next()); - continue; - } - // Here we have a non-delimiter token, which might consist of a mix of - // quoted and unquoted parts. Use bash rules for quoting: you can - // embed a quoted substring in the midst of an unquoted token (e.g. - // ~/"sub dir"/myfile.txt); you can ram two quoted substrings together - // to make a single token (e.g. 'He said, "'"Don't."'"'). We diverge - // from bash in that bash considers an unmatched quote an error. Our - // param signature doesn't allow for errors, so just pretend it's not - // a quote and embed it. - // At this level, keep scanning until we hit the next delimiter of - // either type (drop_delims or keep_delims). - while (! instr.oneof(all_delims)) - { - // If we're looking at an open quote, search forward for - // a close quote, collecting characters along the way. - if (instr.oneof(quotes) && - instr.collect_until(tokens.back(), instr.mIter+1, *instr.mIter)) - { - // collect_until is cleverly designed to do exactly what we - // need here. No further action needed if it returns true. - } - else - { - // Either *iter isn't a quote, or there's no matching close - // quote: in other words, just an ordinary char. Append it to - // current token. - tokens.back().push_back(instr.next()); - } - // having scanned that segment of this token, if we've reached the - // end of the string, we're done - if (instr.done()) - return; - } - } + const string_type& drop_delims, const string_type& keep_delims, + const string_type& quotes) +{ + // There are times when we want to match either drop_delims or + // keep_delims. Concatenate them up front to speed things up. + string_type all_delims(drop_delims + keep_delims); + // no tokens yet + tokens.clear(); + + // try for another token + while (! instr.done()) + { + // scan past any drop_delims + while (instr.oneof(drop_delims)) + { + // skip this drop_delim + instr.next(); + // but if that was the end of the string, done + if (instr.done()) + return; + } + // found the start of another token: make a slot for it + tokens.push_back(string_type()); + if (instr.oneof(keep_delims)) + { + // *iter is a keep_delim, a token of exactly 1 character. Append + // that character to the new token and proceed. + tokens.back().push_back(instr.next()); + continue; + } + // Here we have a non-delimiter token, which might consist of a mix of + // quoted and unquoted parts. Use bash rules for quoting: you can + // embed a quoted substring in the midst of an unquoted token (e.g. + // ~/"sub dir"/myfile.txt); you can ram two quoted substrings together + // to make a single token (e.g. 'He said, "'"Don't."'"'). We diverge + // from bash in that bash considers an unmatched quote an error. Our + // param signature doesn't allow for errors, so just pretend it's not + // a quote and embed it. + // At this level, keep scanning until we hit the next delimiter of + // either type (drop_delims or keep_delims). + while (! instr.oneof(all_delims)) + { + // If we're looking at an open quote, search forward for + // a close quote, collecting characters along the way. + if (instr.oneof(quotes) && + instr.collect_until(tokens.back(), instr.mIter+1, *instr.mIter)) + { + // collect_until is cleverly designed to do exactly what we + // need here. No further action needed if it returns true. + } + else + { + // Either *iter isn't a quote, or there's no matching close + // quote: in other words, just an ordinary char. Append it to + // current token. + tokens.back().push_back(instr.next()); + } + // having scanned that segment of this token, if we've reached the + // end of the string, we're done + if (instr.done()) + return; + } + } } } // namespace LLStringUtilBaseImpl @@ -1220,256 +1220,256 @@ void getTokens(INSTRING& instr, std::vector<string_type>& tokens, // static template <class T> void LLStringUtilBase<T>::getTokens(const string_type& string, std::vector<string_type>& tokens, - const string_type& drop_delims, const string_type& keep_delims, - const string_type& quotes) + const string_type& drop_delims, const string_type& keep_delims, + const string_type& quotes) { - // Because this overload doesn't support escapes, use simple InString to - // manage input range. - LLStringUtilBaseImpl::InString<T> instring(string.begin(), string.end()); - LLStringUtilBaseImpl::getTokens(instring, tokens, drop_delims, keep_delims, quotes); + // Because this overload doesn't support escapes, use simple InString to + // manage input range. + LLStringUtilBaseImpl::InString<T> instring(string.begin(), string.end()); + LLStringUtilBaseImpl::getTokens(instring, tokens, drop_delims, keep_delims, quotes); } // static template <class T> void LLStringUtilBase<T>::getTokens(const string_type& string, std::vector<string_type>& tokens, - const string_type& drop_delims, const string_type& keep_delims, - const string_type& quotes, const string_type& escapes) -{ - // This overload must deal with escapes. Delegate that to InEscString - // (unless there ARE no escapes). - std::unique_ptr< LLStringUtilBaseImpl::InString<T> > instrp; - if (escapes.empty()) - instrp.reset(new LLStringUtilBaseImpl::InString<T>(string.begin(), string.end())); - else - instrp.reset(new LLStringUtilBaseImpl::InEscString<T>(string.begin(), string.end(), escapes)); - LLStringUtilBaseImpl::getTokens(*instrp, tokens, drop_delims, keep_delims, quotes); + const string_type& drop_delims, const string_type& keep_delims, + const string_type& quotes, const string_type& escapes) +{ + // This overload must deal with escapes. Delegate that to InEscString + // (unless there ARE no escapes). + std::unique_ptr< LLStringUtilBaseImpl::InString<T> > instrp; + if (escapes.empty()) + instrp.reset(new LLStringUtilBaseImpl::InString<T>(string.begin(), string.end())); + else + instrp.reset(new LLStringUtilBaseImpl::InEscString<T>(string.begin(), string.end(), escapes)); + LLStringUtilBaseImpl::getTokens(*instrp, tokens, drop_delims, keep_delims, quotes); } // static -template<class T> +template<class T> S32 LLStringUtilBase<T>::compareStrings(const T* lhs, const T* rhs) -{ - S32 result; - if( lhs == rhs ) - { - result = 0; - } - else - if ( !lhs || !lhs[0] ) - { - result = ((!rhs || !rhs[0]) ? 0 : 1); - } - else - if ( !rhs || !rhs[0]) - { - result = -1; - } - else - { - result = LLStringOps::collate(lhs, rhs); - } - return result; +{ + S32 result; + if( lhs == rhs ) + { + result = 0; + } + else + if ( !lhs || !lhs[0] ) + { + result = ((!rhs || !rhs[0]) ? 0 : 1); + } + else + if ( !rhs || !rhs[0]) + { + result = -1; + } + else + { + result = LLStringOps::collate(lhs, rhs); + } + return result; } -//static -template<class T> +//static +template<class T> S32 LLStringUtilBase<T>::compareStrings(const string_type& lhs, const string_type& rhs) { - return LLStringOps::collate(lhs.c_str(), rhs.c_str()); + return LLStringOps::collate(lhs.c_str(), rhs.c_str()); } // static -template<class T> +template<class T> S32 LLStringUtilBase<T>::compareInsensitive(const T* lhs, const T* rhs ) { - S32 result; - if( lhs == rhs ) - { - result = 0; - } - else - if ( !lhs || !lhs[0] ) - { - result = ((!rhs || !rhs[0]) ? 0 : 1); - } - else - if ( !rhs || !rhs[0] ) - { - result = -1; - } - else - { - string_type lhs_string(lhs); - string_type rhs_string(rhs); - LLStringUtilBase<T>::toUpper(lhs_string); - LLStringUtilBase<T>::toUpper(rhs_string); - result = LLStringOps::collate(lhs_string.c_str(), rhs_string.c_str()); - } - return result; + S32 result; + if( lhs == rhs ) + { + result = 0; + } + else + if ( !lhs || !lhs[0] ) + { + result = ((!rhs || !rhs[0]) ? 0 : 1); + } + else + if ( !rhs || !rhs[0] ) + { + result = -1; + } + else + { + string_type lhs_string(lhs); + string_type rhs_string(rhs); + LLStringUtilBase<T>::toUpper(lhs_string); + LLStringUtilBase<T>::toUpper(rhs_string); + result = LLStringOps::collate(lhs_string.c_str(), rhs_string.c_str()); + } + return result; } -//static -template<class T> +//static +template<class T> S32 LLStringUtilBase<T>::compareInsensitive(const string_type& lhs, const string_type& rhs) { - string_type lhs_string(lhs); - string_type rhs_string(rhs); - LLStringUtilBase<T>::toUpper(lhs_string); - LLStringUtilBase<T>::toUpper(rhs_string); - return LLStringOps::collate(lhs_string.c_str(), rhs_string.c_str()); + string_type lhs_string(lhs); + string_type rhs_string(rhs); + LLStringUtilBase<T>::toUpper(lhs_string); + LLStringUtilBase<T>::toUpper(rhs_string); + return LLStringOps::collate(lhs_string.c_str(), rhs_string.c_str()); } // Case sensitive comparison with good handling of numbers. Does not use current locale. // a.k.a. strdictcmp() -//static +//static template<class T> S32 LLStringUtilBase<T>::compareDict(const string_type& astr, const string_type& bstr) { - const T* a = astr.c_str(); - const T* b = bstr.c_str(); - T ca, cb; - S32 ai, bi, cnt = 0; - S32 bias = 0; - - ca = *(a++); - cb = *(b++); - while( ca && cb ){ - if( bias==0 ){ - if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); bias--; } - if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); bias++; } - }else{ - if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); } - if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); } - } - if( LLStringOps::isDigit(ca) ){ - if( cnt-->0 ){ - if( cb!=ca ) break; - }else{ - if( !LLStringOps::isDigit(cb) ) break; - for(ai=0; LLStringOps::isDigit(a[ai]); ai++); - for(bi=0; LLStringOps::isDigit(b[bi]); bi++); - if( ai<bi ){ ca=0; break; } - if( bi<ai ){ cb=0; break; } - if( ca!=cb ) break; - cnt = ai; - } - }else if( ca!=cb ){ break; - } - ca = *(a++); - cb = *(b++); - } - if( ca==cb ) ca += bias; - return ca-cb; + const T* a = astr.c_str(); + const T* b = bstr.c_str(); + T ca, cb; + S32 ai, bi, cnt = 0; + S32 bias = 0; + + ca = *(a++); + cb = *(b++); + while( ca && cb ){ + if( bias==0 ){ + if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); bias--; } + if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); bias++; } + }else{ + if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); } + if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); } + } + if( LLStringOps::isDigit(ca) ){ + if( cnt-->0 ){ + if( cb!=ca ) break; + }else{ + if( !LLStringOps::isDigit(cb) ) break; + for(ai=0; LLStringOps::isDigit(a[ai]); ai++); + for(bi=0; LLStringOps::isDigit(b[bi]); bi++); + if( ai<bi ){ ca=0; break; } + if( bi<ai ){ cb=0; break; } + if( ca!=cb ) break; + cnt = ai; + } + }else if( ca!=cb ){ break; + } + ca = *(a++); + cb = *(b++); + } + if( ca==cb ) ca += bias; + return ca-cb; } // static template<class T> S32 LLStringUtilBase<T>::compareDictInsensitive(const string_type& astr, const string_type& bstr) { - const T* a = astr.c_str(); - const T* b = bstr.c_str(); - T ca, cb; - S32 ai, bi, cnt = 0; - - ca = *(a++); - cb = *(b++); - while( ca && cb ){ - if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); } - if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); } - if( LLStringOps::isDigit(ca) ){ - if( cnt-->0 ){ - if( cb!=ca ) break; - }else{ - if( !LLStringOps::isDigit(cb) ) break; - for(ai=0; LLStringOps::isDigit(a[ai]); ai++); - for(bi=0; LLStringOps::isDigit(b[bi]); bi++); - if( ai<bi ){ ca=0; break; } - if( bi<ai ){ cb=0; break; } - if( ca!=cb ) break; - cnt = ai; - } - }else if( ca!=cb ){ break; - } - ca = *(a++); - cb = *(b++); - } - return ca-cb; + const T* a = astr.c_str(); + const T* b = bstr.c_str(); + T ca, cb; + S32 ai, bi, cnt = 0; + + ca = *(a++); + cb = *(b++); + while( ca && cb ){ + if( LLStringOps::isUpper(ca) ){ ca = LLStringOps::toLower(ca); } + if( LLStringOps::isUpper(cb) ){ cb = LLStringOps::toLower(cb); } + if( LLStringOps::isDigit(ca) ){ + if( cnt-->0 ){ + if( cb!=ca ) break; + }else{ + if( !LLStringOps::isDigit(cb) ) break; + for(ai=0; LLStringOps::isDigit(a[ai]); ai++); + for(bi=0; LLStringOps::isDigit(b[bi]); bi++); + if( ai<bi ){ ca=0; break; } + if( bi<ai ){ cb=0; break; } + if( ca!=cb ) break; + cnt = ai; + } + }else if( ca!=cb ){ break; + } + ca = *(a++); + cb = *(b++); + } + return ca-cb; } // Puts compareDict() in a form appropriate for LL container classes to use for sorting. -// static -template<class T> +// static +template<class T> BOOL LLStringUtilBase<T>::precedesDict( const string_type& a, const string_type& b ) { - if( a.size() && b.size() ) - { - return (LLStringUtilBase<T>::compareDict(a.c_str(), b.c_str()) < 0); - } - else - { - return (!b.empty()); - } + if( a.size() && b.size() ) + { + return (LLStringUtilBase<T>::compareDict(a.c_str(), b.c_str()) < 0); + } + else + { + return (!b.empty()); + } } //static -template<class T> -void LLStringUtilBase<T>::toUpper(string_type& string) -{ - if( !string.empty() ) - { - std::transform( - string.begin(), - string.end(), - string.begin(), - (T(*)(T)) &LLStringOps::toUpper); - } +template<class T> +void LLStringUtilBase<T>::toUpper(string_type& string) +{ + if( !string.empty() ) + { + std::transform( + string.begin(), + string.end(), + string.begin(), + (T(*)(T)) &LLStringOps::toUpper); + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::toLower(string_type& string) -{ - if( !string.empty() ) - { - std::transform( - string.begin(), - string.end(), - string.begin(), - (T(*)(T)) &LLStringOps::toLower); - } +{ + if( !string.empty() ) + { + std::transform( + string.begin(), + string.end(), + string.begin(), + (T(*)(T)) &LLStringOps::toLower); + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::trimHead(string_type& string) -{ - if( !string.empty() ) - { - size_type i = 0; - while( i < string.length() && LLStringOps::isSpace( string[i] ) ) - { - i++; - } - string.erase(0, i); - } +{ + if( !string.empty() ) + { + size_type i = 0; + while( i < string.length() && LLStringOps::isSpace( string[i] ) ) + { + i++; + } + string.erase(0, i); + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::trimTail(string_type& string) -{ - if( string.size() ) - { - size_type len = string.length(); - size_type i = len; - while( i > 0 && LLStringOps::isSpace( string[i-1] ) ) - { - i--; - } - - string.erase( i, len - i ); - } +{ + if( string.size() ) + { + size_type len = string.length(); + size_type i = len; + while( i > 0 && LLStringOps::isSpace( string[i-1] ) ) + { + i--; + } + + string.erase( i, len - i ); + } } @@ -1478,67 +1478,67 @@ void LLStringUtilBase<T>::trimTail(string_type& string) template<class T> void LLStringUtilBase<T>::addCRLF(string_type& string) { - const T LF = 10; - const T CR = 13; - - // Count the number of line feeds - size_type count = 0; - size_type len = string.size(); - size_type i; - for( i = 0; i < len; i++ ) - { - if( string[i] == LF ) - { - count++; - } - } - - // Insert a carriage return before each line feed - if( count ) - { - size_type size = len + count; - T *t = new T[size]; - size_type j = 0; - for( i = 0; i < len; ++i ) - { - if( string[i] == LF ) - { - t[j] = CR; - ++j; - } - t[j] = string[i]; - ++j; - } - - string.assign(t, size); - delete[] t; - } + const T LF = 10; + const T CR = 13; + + // Count the number of line feeds + size_type count = 0; + size_type len = string.size(); + size_type i; + for( i = 0; i < len; i++ ) + { + if( string[i] == LF ) + { + count++; + } + } + + // Insert a carriage return before each line feed + if( count ) + { + size_type size = len + count; + T *t = new T[size]; + size_type j = 0; + for( i = 0; i < len; ++i ) + { + if( string[i] == LF ) + { + t[j] = CR; + ++j; + } + t[j] = string[i]; + ++j; + } + + string.assign(t, size); + delete[] t; + } } // Remove all carriage returns //static -template<class T> +template<class T> void LLStringUtilBase<T>::removeCRLF(string_type& string) { - const T CR = 13; - - size_type cr_count = 0; - size_type len = string.size(); - size_type i; - for( i = 0; i < len - cr_count; i++ ) - { - if( string[i+cr_count] == CR ) - { - cr_count++; - } - - string[i] = string[i+cr_count]; - } - string.erase(i, cr_count); + const T CR = 13; + + size_type cr_count = 0; + size_type len = string.size(); + size_type i; + for( i = 0; i < len - cr_count; i++ ) + { + if( string[i+cr_count] == CR ) + { + cr_count++; + } + + string[i] = string[i+cr_count]; + } + string.erase(i, cr_count); } //static -template<class T> +template<class T> void LLStringUtilBase<T>::removeWindowsCR(string_type& string) { if (string.empty()) @@ -1567,269 +1567,269 @@ void LLStringUtilBase<T>::removeWindowsCR(string_type& string) template<class T> void LLStringUtilBase<T>::replaceChar( string_type& string, T target, T replacement ) { - size_type found_pos = 0; - while( (found_pos = string.find(target, found_pos)) != string_type::npos ) - { - string[found_pos] = replacement; - found_pos++; // avoid infinite defeat if target == replacement - } + size_type found_pos = 0; + while( (found_pos = string.find(target, found_pos)) != string_type::npos ) + { + string[found_pos] = replacement; + found_pos++; // avoid infinite defeat if target == replacement + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::replaceString( string_type& string, string_type target, string_type replacement ) { - size_type found_pos = 0; - while( (found_pos = string.find(target, found_pos)) != string_type::npos ) - { - string.replace( found_pos, target.length(), replacement ); - found_pos += replacement.length(); // avoid infinite defeat if replacement contains target - } + size_type found_pos = 0; + while( (found_pos = string.find(target, found_pos)) != string_type::npos ) + { + string.replace( found_pos, target.length(), replacement ); + found_pos += replacement.length(); // avoid infinite defeat if replacement contains target + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::replaceNonstandardASCII( string_type& string, T replacement ) { - const char LF = 10; - const S8 MIN = 32; -// const S8 MAX = 127; - - size_type len = string.size(); - for( size_type i = 0; i < len; i++ ) - { - // No need to test MAX < mText[i] because we treat mText[i] as a signed char, - // which has a max value of 127. - if( ( S8(string[i]) < MIN ) && (string[i] != LF) ) - { - string[i] = replacement; - } - } + const char LF = 10; + const S8 MIN = 32; +// const S8 MAX = 127; + + size_type len = string.size(); + for( size_type i = 0; i < len; i++ ) + { + // No need to test MAX < mText[i] because we treat mText[i] as a signed char, + // which has a max value of 127. + if( ( S8(string[i]) < MIN ) && (string[i] != LF) ) + { + string[i] = replacement; + } + } } //static -template<class T> +template<class T> void LLStringUtilBase<T>::replaceTabsWithSpaces( string_type& str, size_type spaces_per_tab ) { - const T TAB = '\t'; - const T SPACE = ' '; - - string_type out_str; - // Replace tabs with spaces - for (size_type i = 0; i < str.length(); i++) - { - if (str[i] == TAB) - { - for (size_type j = 0; j < spaces_per_tab; j++) - out_str += SPACE; - } - else - { - out_str += str[i]; - } - } - str = out_str; + const T TAB = '\t'; + const T SPACE = ' '; + + string_type out_str; + // Replace tabs with spaces + for (size_type i = 0; i < str.length(); i++) + { + if (str[i] == TAB) + { + for (size_type j = 0; j < spaces_per_tab; j++) + out_str += SPACE; + } + else + { + out_str += str[i]; + } + } + str = out_str; } //static template<class T> std::basic_string<T> LLStringUtilBase<T>::capitalize(const string_type& str) { - string_type result(str); - capitalize(result); - return result; + string_type result(str); + capitalize(result); + return result; } //static template<class T> void LLStringUtilBase<T>::capitalize(string_type& str) { - if (str.size()) - { - auto last = str[0] = toupper(str[0]); - for (U32 i = 1; i < str.size(); ++i) - { - last = (last == ' ' || last == '-' || last == '_') ? str[i] = toupper(str[i]) : str[i]; - } - } + if (str.size()) + { + auto last = str[0] = toupper(str[0]); + for (U32 i = 1; i < str.size(); ++i) + { + last = (last == ' ' || last == '-' || last == '_') ? str[i] = toupper(str[i]) : str[i]; + } + } } //static -template<class T> +template<class T> BOOL LLStringUtilBase<T>::containsNonprintable(const string_type& string) { - const char MIN = 32; - BOOL rv = FALSE; - for (size_type i = 0; i < string.size(); i++) - { - if(string[i] < MIN) - { - rv = TRUE; - break; - } - } - return rv; + const char MIN = 32; + BOOL rv = FALSE; + for (size_type i = 0; i < string.size(); i++) + { + if(string[i] < MIN) + { + rv = TRUE; + break; + } + } + return rv; } -// *TODO: reimplement in terms of algorithm +// *TODO: reimplement in terms of algorithm //static -template<class T> +template<class T> void LLStringUtilBase<T>::stripNonprintable(string_type& string) { - const char MIN = 32; - size_type j = 0; - if (string.empty()) - { - return; - } - size_t src_size = string.size(); - char* c_string = new char[src_size + 1]; - if(c_string == NULL) - { - return; - } - copy(c_string, string.c_str(), src_size+1); - char* write_head = &c_string[0]; - for (size_type i = 0; i < src_size; i++) - { - char* read_head = &string[i]; - write_head = &c_string[j]; - if(!(*read_head < MIN)) - { - *write_head = *read_head; - ++j; - } - } - c_string[j]= '\0'; - string = c_string; - delete []c_string; + const char MIN = 32; + size_type j = 0; + if (string.empty()) + { + return; + } + size_t src_size = string.size(); + char* c_string = new char[src_size + 1]; + if(c_string == NULL) + { + return; + } + copy(c_string, string.c_str(), src_size+1); + char* write_head = &c_string[0]; + for (size_type i = 0; i < src_size; i++) + { + char* read_head = &string[i]; + write_head = &c_string[j]; + if(!(*read_head < MIN)) + { + *write_head = *read_head; + ++j; + } + } + c_string[j]= '\0'; + string = c_string; + delete []c_string; } -// *TODO: reimplement in terms of algorithm +// *TODO: reimplement in terms of algorithm template<class T> std::basic_string<T> LLStringUtilBase<T>::quote(const string_type& str, - const string_type& triggers, - const string_type& escape) -{ - size_type len(str.length()); - // If the string is already quoted, assume user knows what s/he's doing. - if (len >= 2 && str[0] == '"' && str[len-1] == '"') - { - return str; - } - - // Not already quoted: do we need to? triggers.empty() is a special case - // meaning "always quote." - if ((! triggers.empty()) && str.find_first_of(triggers) == string_type::npos) - { - // no trigger characters, don't bother quoting - return str; - } - - // For whatever reason, we must quote this string. - string_type result; - result.push_back('"'); - for (typename string_type::const_iterator ci(str.begin()), cend(str.end()); ci != cend; ++ci) - { - if (*ci == '"') - { - result.append(escape); - } - result.push_back(*ci); - } - result.push_back('"'); - return result; + const string_type& triggers, + const string_type& escape) +{ + size_type len(str.length()); + // If the string is already quoted, assume user knows what s/he's doing. + if (len >= 2 && str[0] == '"' && str[len-1] == '"') + { + return str; + } + + // Not already quoted: do we need to? triggers.empty() is a special case + // meaning "always quote." + if ((! triggers.empty()) && str.find_first_of(triggers) == string_type::npos) + { + // no trigger characters, don't bother quoting + return str; + } + + // For whatever reason, we must quote this string. + string_type result; + result.push_back('"'); + for (typename string_type::const_iterator ci(str.begin()), cend(str.end()); ci != cend; ++ci) + { + if (*ci == '"') + { + result.append(escape); + } + result.push_back(*ci); + } + result.push_back('"'); + return result; } -template<class T> +template<class T> void LLStringUtilBase<T>::_makeASCII(string_type& string) { - // Replace non-ASCII chars with LL_UNKNOWN_CHAR - for (size_type i = 0; i < string.length(); i++) - { - if (string[i] > 0x7f) - { - string[i] = LL_UNKNOWN_CHAR; - } - } + // Replace non-ASCII chars with LL_UNKNOWN_CHAR + for (size_type i = 0; i < string.length(); i++) + { + if (string[i] > 0x7f) + { + string[i] = LL_UNKNOWN_CHAR; + } + } } // static -template<class T> +template<class T> void LLStringUtilBase<T>::copy( T* dst, const T* src, size_type dst_size ) { - if( dst_size > 0 ) - { - size_type min_len = 0; - if( src ) - { - min_len = llmin( dst_size - 1, strlen( src ) ); /* Flawfinder: ignore */ - memcpy(dst, src, min_len * sizeof(T)); /* Flawfinder: ignore */ - } - dst[min_len] = '\0'; - } + if( dst_size > 0 ) + { + size_type min_len = 0; + if( src ) + { + min_len = llmin( dst_size - 1, strlen( src ) ); /* Flawfinder: ignore */ + memcpy(dst, src, min_len * sizeof(T)); /* Flawfinder: ignore */ + } + dst[min_len] = '\0'; + } } // static -template<class T> +template<class T> void LLStringUtilBase<T>::copyInto(string_type& dst, const string_type& src, size_type offset) { - if ( offset == dst.length() ) - { - // special case - append to end of string and avoid expensive - // (when strings are large) string manipulations - dst += src; - } - else - { - string_type tail = dst.substr(offset); - - dst = dst.substr(0, offset); - dst += src; - dst += tail; - }; + if ( offset == dst.length() ) + { + // special case - append to end of string and avoid expensive + // (when strings are large) string manipulations + dst += src; + } + else + { + string_type tail = dst.substr(offset); + + dst = dst.substr(0, offset); + dst += src; + dst += tail; + }; } // True if this is the head of s. //static -template<class T> -BOOL LLStringUtilBase<T>::isHead( const string_type& string, const T* s ) -{ - if( string.empty() ) - { - // Early exit - return FALSE; - } - else - { - return (strncmp( s, string.c_str(), string.size() ) == 0); - } +template<class T> +BOOL LLStringUtilBase<T>::isHead( const string_type& string, const T* s ) +{ + if( string.empty() ) + { + // Early exit + return FALSE; + } + else + { + return (strncmp( s, string.c_str(), string.size() ) == 0); + } } // static -template<class T> +template<class T> bool LLStringUtilBase<T>::startsWith( - const string_type& string, - const string_type& substr) + const string_type& string, + const string_type& substr) { - if(string.empty() || (substr.empty())) return false; - if (substr.length() > string.length()) return false; - if (0 == string.compare(0, substr.length(), substr)) return true; - return false; + if(string.empty() || (substr.empty())) return false; + if (substr.length() > string.length()) return false; + if (0 == string.compare(0, substr.length(), substr)) return true; + return false; } // static -template<class T> +template<class T> bool LLStringUtilBase<T>::endsWith( - const string_type& string, - const string_type& substr) -{ - if(string.empty() || (substr.empty())) return false; - size_t sub_len = substr.length(); - size_t str_len = string.length(); - if (sub_len > str_len) return false; - if (0 == string.compare(str_len - sub_len, sub_len, substr)) return true; - return false; + const string_type& string, + const string_type& substr) +{ + if(string.empty() || (substr.empty())) return false; + size_t sub_len = substr.length(); + size_t str_len = string.length(); + if (sub_len > str_len) return false; + if (0 == string.compare(str_len - sub_len, sub_len, substr)) return true; + return false; } // static @@ -1864,187 +1864,187 @@ auto LLStringUtilBase<T>::getenv(const std::string& key, const string_type& dflt } } -template<class T> +template<class T> BOOL LLStringUtilBase<T>::convertToBOOL(const string_type& string, BOOL& value) { - if( string.empty() ) - { - return FALSE; - } - - string_type temp( string ); - trim(temp); - if( - (temp == "1") || - (temp == "T") || - (temp == "t") || - (temp == "TRUE") || - (temp == "true") || - (temp == "True") ) - { - value = TRUE; - return TRUE; - } - else - if( - (temp == "0") || - (temp == "F") || - (temp == "f") || - (temp == "FALSE") || - (temp == "false") || - (temp == "False") ) - { - value = FALSE; - return TRUE; - } - - return FALSE; + if( string.empty() ) + { + return FALSE; + } + + string_type temp( string ); + trim(temp); + if( + (temp == "1") || + (temp == "T") || + (temp == "t") || + (temp == "TRUE") || + (temp == "true") || + (temp == "True") ) + { + value = TRUE; + return TRUE; + } + else + if( + (temp == "0") || + (temp == "F") || + (temp == "f") || + (temp == "FALSE") || + (temp == "false") || + (temp == "False") ) + { + value = FALSE; + return TRUE; + } + + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToU8(const string_type& string, U8& value) -{ - S32 value32 = 0; - BOOL success = convertToS32(string, value32); - if( success && (U8_MIN <= value32) && (value32 <= U8_MAX) ) - { - value = (U8) value32; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToU8(const string_type& string, U8& value) +{ + S32 value32 = 0; + BOOL success = convertToS32(string, value32); + if( success && (U8_MIN <= value32) && (value32 <= U8_MAX) ) + { + value = (U8) value32; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToS8(const string_type& string, S8& value) -{ - S32 value32 = 0; - BOOL success = convertToS32(string, value32); - if( success && (S8_MIN <= value32) && (value32 <= S8_MAX) ) - { - value = (S8) value32; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToS8(const string_type& string, S8& value) +{ + S32 value32 = 0; + BOOL success = convertToS32(string, value32); + if( success && (S8_MIN <= value32) && (value32 <= S8_MAX) ) + { + value = (S8) value32; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToS16(const string_type& string, S16& value) -{ - S32 value32 = 0; - BOOL success = convertToS32(string, value32); - if( success && (S16_MIN <= value32) && (value32 <= S16_MAX) ) - { - value = (S16) value32; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToS16(const string_type& string, S16& value) +{ + S32 value32 = 0; + BOOL success = convertToS32(string, value32); + if( success && (S16_MIN <= value32) && (value32 <= S16_MAX) ) + { + value = (S16) value32; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToU16(const string_type& string, U16& value) -{ - S32 value32 = 0; - BOOL success = convertToS32(string, value32); - if( success && (U16_MIN <= value32) && (value32 <= U16_MAX) ) - { - value = (U16) value32; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToU16(const string_type& string, U16& value) +{ + S32 value32 = 0; + BOOL success = convertToS32(string, value32); + if( success && (U16_MIN <= value32) && (value32 <= U16_MAX) ) + { + value = (U16) value32; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToU32(const string_type& string, U32& value) -{ - if( string.empty() ) - { - return FALSE; - } - - string_type temp( string ); - trim(temp); - U32 v; - std::basic_istringstream<T> i_stream((string_type)temp); - if(i_stream >> v) - { - value = v; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToU32(const string_type& string, U32& value) +{ + if( string.empty() ) + { + return FALSE; + } + + string_type temp( string ); + trim(temp); + U32 v; + std::basic_istringstream<T> i_stream((string_type)temp); + if(i_stream >> v) + { + value = v; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToS32(const string_type& string, S32& value) -{ - if( string.empty() ) - { - return FALSE; - } - - string_type temp( string ); - trim(temp); - S32 v; - std::basic_istringstream<T> i_stream((string_type)temp); - if(i_stream >> v) - { - //TODO: figure out overflow and underflow reporting here - //if((LONG_MAX == v) || (LONG_MIN == v)) - //{ - // // Underflow or overflow - // return FALSE; - //} - - value = v; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToS32(const string_type& string, S32& value) +{ + if( string.empty() ) + { + return FALSE; + } + + string_type temp( string ); + trim(temp); + S32 v; + std::basic_istringstream<T> i_stream((string_type)temp); + if(i_stream >> v) + { + //TODO: figure out overflow and underflow reporting here + //if((LONG_MAX == v) || (LONG_MIN == v)) + //{ + // // Underflow or overflow + // return FALSE; + //} + + value = v; + return TRUE; + } + return FALSE; } -template<class T> -BOOL LLStringUtilBase<T>::convertToF32(const string_type& string, F32& value) -{ - F64 value64 = 0.0; - BOOL success = convertToF64(string, value64); - if( success && (-F32_MAX <= value64) && (value64 <= F32_MAX) ) - { - value = (F32) value64; - return TRUE; - } - return FALSE; +template<class T> +BOOL LLStringUtilBase<T>::convertToF32(const string_type& string, F32& value) +{ + F64 value64 = 0.0; + BOOL success = convertToF64(string, value64); + if( success && (-F32_MAX <= value64) && (value64 <= F32_MAX) ) + { + value = (F32) value64; + return TRUE; + } + return FALSE; } -template<class T> +template<class T> BOOL LLStringUtilBase<T>::convertToF64(const string_type& string, F64& value) { - if( string.empty() ) - { - return FALSE; - } - - string_type temp( string ); - trim(temp); - F64 v; - std::basic_istringstream<T> i_stream((string_type)temp); - if(i_stream >> v) - { - //TODO: figure out overflow and underflow reporting here - //if( ((-HUGE_VAL == v) || (HUGE_VAL == v))) ) - //{ - // // Underflow or overflow - // return FALSE; - //} - - value = v; - return TRUE; - } - return FALSE; + if( string.empty() ) + { + return FALSE; + } + + string_type temp( string ); + trim(temp); + F64 v; + std::basic_istringstream<T> i_stream((string_type)temp); + if(i_stream >> v) + { + //TODO: figure out overflow and underflow reporting here + //if( ((-HUGE_VAL == v) || (HUGE_VAL == v))) ) + //{ + // // Underflow or overflow + // return FALSE; + //} + + value = v; + return TRUE; + } + return FALSE; } -template<class T> +template<class T> void LLStringUtilBase<T>::truncate(string_type& string, size_type count) { - size_type cur_size = string.size(); - string.resize(count < cur_size ? count : cur_size); + size_type cur_size = string.size(); + string.resize(count < cur_size ? count : cur_size); } // The good thing about *declaration* macros, vs. usage macros, is that now |