137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
/*
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* s3fs - FUSE-based file system backed by Amazon S3
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*
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* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef S3FS_STRING_UTIL_H_
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#define S3FS_STRING_UTIL_H_
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#include <cstring>
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//
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// A collection of string utilities for manipulating URLs and HTTP responses.
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//
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//-------------------------------------------------------------------
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// Global variables
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//-------------------------------------------------------------------
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extern const char SPACES[];
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//-------------------------------------------------------------------
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// Inline functions
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//-------------------------------------------------------------------
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static inline int is_prefix(const char *str, const char *prefix) { return strncmp(str, prefix, strlen(prefix)) == 0; }
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static inline const char* SAFESTRPTR(const char *strptr) { return strptr ? strptr : ""; }
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//-------------------------------------------------------------------
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// Templates
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//-------------------------------------------------------------------
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template <class T> std::string str(T value);
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//-------------------------------------------------------------------
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// Macros(WTF8)
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//-------------------------------------------------------------------
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#define WTF8_ENCODE(ARG) \
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std::string ARG##_buf; \
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const char * ARG = _##ARG; \
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if (use_wtf8 && s3fs_wtf8_encode( _##ARG, 0 )) { \
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s3fs_wtf8_encode( _##ARG, &ARG##_buf); \
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ARG = ARG##_buf.c_str(); \
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}
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//-------------------------------------------------------------------
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// Utilities
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//-------------------------------------------------------------------
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#ifdef __MSYS__
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//
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// Polyfill for strptime function.
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//
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char* strptime(const char* s, const char* f, struct tm* tm);
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#endif
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//
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// Convert string to off_t. Returns false on bad input.
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// Replacement for C++11 std::stoll.
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//
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bool s3fs_strtoofft(off_t* value, const char* str, int base = 0);
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//
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// This function returns 0 if a value that cannot be converted is specified.
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// Only call if 0 is considered an error and the operation can continue.
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//
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off_t cvt_strtoofft(const char* str, int base);
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//
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// String Manipulation
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//
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std::string trim_left(const std::string &s, const char *t = SPACES);
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std::string trim_right(const std::string &s, const char *t = SPACES);
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std::string trim(const std::string &s, const char *t = SPACES);
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std::string lower(std::string s);
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//
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// Date string
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//
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std::string get_date_rfc850();
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void get_date_sigv3(std::string& date, std::string& date8601);
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std::string get_date_string(time_t tm);
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std::string get_date_iso8601(time_t tm);
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bool get_unixtime_from_iso8601(const char* pdate, time_t& unixtime);
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bool convert_unixtime_from_option_arg(const char* argv, time_t& unixtime);
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//
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// For encoding
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//
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std::string urlEncodeGeneral(const std::string &s);
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std::string urlEncodePath(const std::string &s);
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std::string urlEncodeQuery(const std::string &s);
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std::string urlDecode(const std::string& s);
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bool takeout_str_dquart(std::string& str);
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bool get_keyword_value(const std::string& target, const char* keyword, std::string& value);
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//
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// For binary string
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//
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std::string s3fs_hex_lower(const unsigned char* input, size_t length);
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std::string s3fs_hex_upper(const unsigned char* input, size_t length);
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char* s3fs_base64(const unsigned char* input, size_t length);
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unsigned char* s3fs_decode64(const char* input, size_t input_len, size_t* plength);
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//
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// WTF8
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//
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bool s3fs_wtf8_encode(const char *s, std::string *result);
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std::string s3fs_wtf8_encode(const std::string &s);
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bool s3fs_wtf8_decode(const char *s, std::string *result);
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std::string s3fs_wtf8_decode(const std::string &s);
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//
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// For CR in XML
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//
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std::string get_encoded_cr_code(const char* pbase);
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std::string get_decoded_cr_code(const char* pencode);
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#endif // S3FS_STRING_UTIL_H_
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: expandtab sw=4 ts=4 fdm=marker
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* vim<600: expandtab sw=4 ts=4
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*/
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