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FlexLexer.h
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a.out.h
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aio.h
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aliases.h
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alloca.h
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ar.h
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argp.h
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argz.h
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assert.h
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autosprintf.h
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byteswap.h
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bzlib.h
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com_err.h
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complex.h
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cpio.h
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cpuidle.h
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crypt.h
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ctype.h
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curses.h
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cursesapp.h
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cursesf.h
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cursesw.h
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cursslk.h
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dbm.h
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dirent.h
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dlfcn.h
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elf.h
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endian.h
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entities.h
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envz.h
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err.h
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errno.h
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error.h
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eti.h
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etip.h
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evdns.h
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event.h
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evhttp.h
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evrpc.h
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evutil.h
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execinfo.h
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expat.h
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expat_config.h
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expat_external.h
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fcntl.h
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features-time64.h
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features.h
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fenv.h
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ffi.h
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ffitarget.h
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fmtmsg.h
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fnmatch.h
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form.h
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fpu_control.h
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fstab.h
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fstrm.h
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ftw.h
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gconv.h
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gdbm.h
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gdcache.h
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gdfontg.h
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gdfontmb.h
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gdfonts.h
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gdfontt.h
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gdfx.h
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gdpp.h
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getopt.h
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gettext-po.h
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glob.h
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gnu-versions.h
2.29
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gnumake.h
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gpg-error.h
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gpgrt.h
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grp.h
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gshadow.h
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gssapi.h
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iconv.h
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idn-free.h
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idn-int.h
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idna.h
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ieee754.h
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ifaddrs.h
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inttypes.h
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jconfig-64.h
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jconfig.h
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jerror.h
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jmorecfg.h
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jpegint.h
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jpeglib.h
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kdb.h
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keyutils.h
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krad.h
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krb5.h
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langinfo.h
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lastlog.h
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libaio.h
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libgen.h
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libintl.h
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limits.h
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link.h
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lmdb.h
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locale.h
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ltdl.h
5.58
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lzma.h
9.63
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malloc.h
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math.h
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maxminddb.h
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maxminddb_config-64.h
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maxminddb_config.h
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mcheck.h
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memory.h
956
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menu.h
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mntent.h
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monetary.h
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mqueue.h
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nc_tparm.h
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ncurses.h
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ncurses_dll.h
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ndbm.h
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netdb.h
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nl_types.h
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nss.h
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obstack.h
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panel.h
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paths.h
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pcre.h
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pcre2.h
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pcre2posix.h
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pcre_scanner.h
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pcre_stringpiece.h
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pcrecpp.h
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pcrecpparg.h
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pcreposix.h
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png.h
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pngconf.h
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pnglibconf.h
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poll.h
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powercap.h
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pr29.h
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printf.h
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proc_service.h
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profile.h
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pthread.h
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pty.h
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punycode.h
9.3
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pwd.h
6.17
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re_comp.h
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regex.h
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regexp.h
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resolv.h
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sched.h
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search.h
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semaphore.h
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Save
Rename
// Copyright (c) 2005, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Sanjay Ghemawat // // A string like object that points into another piece of memory. // Useful for providing an interface that allows clients to easily // pass in either a "const char*" or a "string". // // Arghh! I wish C++ literals were automatically of type "string". #ifndef _PCRE_STRINGPIECE_H #define _PCRE_STRINGPIECE_H #include <cstring> #include <string> #include <iosfwd> // for ostream forward-declaration #if 0 #define HAVE_TYPE_TRAITS #include <type_traits.h> #elif 0 #define HAVE_TYPE_TRAITS #include <bits/type_traits.h> #endif #include <pcre.h> namespace pcrecpp { using std::memcmp; using std::strlen; using std::string; class PCRECPP_EXP_DEFN StringPiece { private: const char* ptr_; int length_; public: // We provide non-explicit singleton constructors so users can pass // in a "const char*" or a "string" wherever a "StringPiece" is // expected. StringPiece() : ptr_(NULL), length_(0) { } StringPiece(const char* str) : ptr_(str), length_(static_cast<int>(strlen(ptr_))) { } StringPiece(const unsigned char* str) : ptr_(reinterpret_cast<const char*>(str)), length_(static_cast<int>(strlen(ptr_))) { } StringPiece(const string& str) : ptr_(str.data()), length_(static_cast<int>(str.size())) { } StringPiece(const char* offset, int len) : ptr_(offset), length_(len) { } // data() may return a pointer to a buffer with embedded NULs, and the // returned buffer may or may not be null terminated. Therefore it is // typically a mistake to pass data() to a routine that expects a NUL // terminated string. Use "as_string().c_str()" if you really need to do // this. Or better yet, change your routine so it does not rely on NUL // termination. const char* data() const { return ptr_; } int size() const { return length_; } bool empty() const { return length_ == 0; } void clear() { ptr_ = NULL; length_ = 0; } void set(const char* buffer, int len) { ptr_ = buffer; length_ = len; } void set(const char* str) { ptr_ = str; length_ = static_cast<int>(strlen(str)); } void set(const void* buffer, int len) { ptr_ = reinterpret_cast<const char*>(buffer); length_ = len; } char operator[](int i) const { return ptr_[i]; } void remove_prefix(int n) { ptr_ += n; length_ -= n; } void remove_suffix(int n) { length_ -= n; } bool operator==(const StringPiece& x) const { return ((length_ == x.length_) && (memcmp(ptr_, x.ptr_, length_) == 0)); } bool operator!=(const StringPiece& x) const { return !(*this == x); } #define STRINGPIECE_BINARY_PREDICATE(cmp,auxcmp) \ bool operator cmp (const StringPiece& x) const { \ int r = memcmp(ptr_, x.ptr_, length_ < x.length_ ? length_ : x.length_); \ return ((r auxcmp 0) || ((r == 0) && (length_ cmp x.length_))); \ } STRINGPIECE_BINARY_PREDICATE(<, <); STRINGPIECE_BINARY_PREDICATE(<=, <); STRINGPIECE_BINARY_PREDICATE(>=, >); STRINGPIECE_BINARY_PREDICATE(>, >); #undef STRINGPIECE_BINARY_PREDICATE int compare(const StringPiece& x) const { int r = memcmp(ptr_, x.ptr_, length_ < x.length_ ? length_ : x.length_); if (r == 0) { if (length_ < x.length_) r = -1; else if (length_ > x.length_) r = +1; } return r; } string as_string() const { return string(data(), size()); } void CopyToString(string* target) const { target->assign(ptr_, length_); } // Does "this" start with "x" bool starts_with(const StringPiece& x) const { return ((length_ >= x.length_) && (memcmp(ptr_, x.ptr_, x.length_) == 0)); } }; } // namespace pcrecpp // ------------------------------------------------------------------ // Functions used to create STL containers that use StringPiece // Remember that a StringPiece's lifetime had better be less than // that of the underlying string or char*. If it is not, then you // cannot safely store a StringPiece into an STL container // ------------------------------------------------------------------ #ifdef HAVE_TYPE_TRAITS // This makes vector<StringPiece> really fast for some STL implementations template<> struct __type_traits<pcrecpp::StringPiece> { typedef __true_type has_trivial_default_constructor; typedef __true_type has_trivial_copy_constructor; typedef __true_type has_trivial_assignment_operator; typedef __true_type has_trivial_destructor; typedef __true_type is_POD_type; }; #endif // allow StringPiece to be logged PCRECPP_EXP_DECL std::ostream& operator<<(std::ostream& o, const pcrecpp::StringPiece& piece); #endif /* _PCRE_STRINGPIECE_H */