github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/database/leveldb.chai2010/include/util/logging.h (about)

     1  // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style license that can be
     3  // found in the LICENSE file. See the AUTHORS file for names of contributors.
     4  //
     5  // Must not be included from any .h files to avoid polluting the namespace
     6  // with macros.
     7  
     8  #ifndef STORAGE_LEVELDB_UTIL_LOGGING_H_
     9  #define STORAGE_LEVELDB_UTIL_LOGGING_H_
    10  
    11  #include <stdio.h>
    12  #include <stdint.h>
    13  #include <string>
    14  #include "port/port.h"
    15  
    16  namespace leveldb {
    17  
    18  class Slice;
    19  class WritableFile;
    20  
    21  // Append a human-readable printout of "num" to *str
    22  extern void AppendNumberTo(std::string* str, uint64_t num);
    23  
    24  // Append a human-readable printout of "value" to *str.
    25  // Escapes any non-printable characters found in "value".
    26  extern void AppendEscapedStringTo(std::string* str, const Slice& value);
    27  
    28  // Return a human-readable printout of "num"
    29  extern std::string NumberToString(uint64_t num);
    30  
    31  // Return a human-readable version of "value".
    32  // Escapes any non-printable characters found in "value".
    33  extern std::string EscapeString(const Slice& value);
    34  
    35  // If *in starts with "c", advances *in past the first character and
    36  // returns true.  Otherwise, returns false.
    37  extern bool ConsumeChar(Slice* in, char c);
    38  
    39  // Parse a human-readable number from "*in" into *value.  On success,
    40  // advances "*in" past the consumed number and sets "*val" to the
    41  // numeric value.  Otherwise, returns false and leaves *in in an
    42  // unspecified state.
    43  extern bool ConsumeDecimalNumber(Slice* in, uint64_t* val);
    44  
    45  }  // namespace leveldb
    46  
    47  #endif  // STORAGE_LEVELDB_UTIL_LOGGING_H_