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Name	Size	Permission
alphaindex.h	25.29 KB	-rw-r--r--
appendable.h	8.38 KB	-rw-r--r--
basictz.h	8.77 KB	-rw-r--r--
bms.h	8.68 KB	-rw-r--r--
bmsearch.h	7.33 KB	-rw-r--r--
brkiter.h	24.24 KB	-rw-r--r--
bytestream.h	9.16 KB	-rw-r--r--
bytestrie.h	19.19 KB	-rw-r--r--
bytestriebuilder.h	6.73 KB	-rw-r--r--
calendar.h	102.76 KB	-rw-r--r--
caniter.h	7.23 KB	-rw-r--r--
chariter.h	23.71 KB	-rw-r--r--
choicfmt.h	27.82 KB	-rw-r--r--
coleitr.h	12.69 KB	-rw-r--r--
coll.h	53.44 KB	-rw-r--r--
colldata.h	12.42 KB	-rw-r--r--
curramt.h	3.57 KB	-rw-r--r--
currpinf.h	6.93 KB	-rw-r--r--
currunit.h	2.99 KB	-rw-r--r--
datefmt.h	33.67 KB	-rw-r--r--
dbbi.h	966 B	-rw-r--r--
dcfmtsym.h	14.91 KB	-rw-r--r--
decimfmt.h	97.38 KB	-rw-r--r--
docmain.h	6.28 KB	-rw-r--r--
dtfmtsym.h	30.27 KB	-rw-r--r--
dtintrv.h	3.65 KB	-rw-r--r--
dtitvfmt.h	39.24 KB	-rw-r--r--
dtitvinf.h	18.56 KB	-rw-r--r--
dtptngen.h	19.54 KB	-rw-r--r--
dtrule.h	8.51 KB	-rw-r--r--
enumset.h	1.8 KB	-rw-r--r--
errorcode.h	4.67 KB	-rw-r--r--
fieldpos.h	8.51 KB	-rw-r--r--
fmtable.h	22.09 KB	-rw-r--r--
format.h	12.33 KB	-rw-r--r--
fpositer.h	2.97 KB	-rw-r--r--
gender.h	3.02 KB	-rw-r--r--
gregocal.h	33.28 KB	-rw-r--r--
icudataver.h	990 B	-rw-r--r--
icuplug.h	11.49 KB	-rw-r--r--
idna.h	12.68 KB	-rw-r--r--
listformatter.h	3.97 KB	-rw-r--r--
localpointer.h	9.13 KB	-rw-r--r--
locdspnm.h	7.14 KB	-rw-r--r--
locid.h	30.48 KB	-rw-r--r--
measfmt.h	1.94 KB	-rw-r--r--
measunit.h	1.6 KB	-rw-r--r--
measure.h	3.24 KB	-rw-r--r--
messagepattern.h	33.6 KB	-rw-r--r--
msgfmt.h	43.59 KB	-rw-r--r--
normalizer2.h	28.34 KB	-rw-r--r--
normlzr.h	29.26 KB	-rw-r--r--
numfmt.h	43.59 KB	-rw-r--r--
numsys.h	5.37 KB	-rw-r--r--
parseerr.h	2.97 KB	-rw-r--r--
parsepos.h	5.34 KB	-rw-r--r--
platform.h	24.23 KB	-rw-r--r--
plurfmt.h	24.58 KB	-rw-r--r--
plurrule.h	14.56 KB	-rw-r--r--
ptypes.h	3.36 KB	-rw-r--r--
putil.h	5.61 KB	-rw-r--r--
rbbi.h	29.15 KB	-rw-r--r--
rbnf.h	45.32 KB	-rw-r--r--
rbtz.h	15.33 KB	-rw-r--r--
regex.h	83.1 KB	-rw-r--r--
rep.h	9.33 KB	-rw-r--r--
resbund.h	17.89 KB	-rw-r--r--
schriter.h	6.15 KB	-rw-r--r--
search.h	22.1 KB	-rw-r--r--
selfmt.h	14.13 KB	-rw-r--r--
simpletz.h	45.1 KB	-rw-r--r--
smpdtfmt.h	57.58 KB	-rw-r--r--
sortkey.h	10.98 KB	-rw-r--r--
std_string.h	783 B	-rw-r--r--
strenum.h	9.92 KB	-rw-r--r--
stringpiece.h	6.38 KB	-rw-r--r--
stringtriebuilder.h	14.75 KB	-rw-r--r--
stsearch.h	21.76 KB	-rw-r--r--
symtable.h	4.1 KB	-rw-r--r--
tblcoll.h	34.23 KB	-rw-r--r--
timezone.h	37.28 KB	-rw-r--r--
tmunit.h	3.39 KB	-rw-r--r--
tmutamt.h	4.69 KB	-rw-r--r--
tmutfmt.h	8.51 KB	-rw-r--r--
translit.h	53.76 KB	-rw-r--r--
tzfmt.h	32.06 KB	-rw-r--r--
tznames.h	14.83 KB	-rw-r--r--
tzrule.h	35.21 KB	-rw-r--r--
tztrans.h	5.96 KB	-rw-r--r--
ubidi.h	88.57 KB	-rw-r--r--
ubrk.h	19.13 KB	-rw-r--r--
ucal.h	50.49 KB	-rw-r--r--
ucasemap.h	16.45 KB	-rw-r--r--
ucat.h	5.25 KB	-rw-r--r--
uchar.h	115.43 KB	-rw-r--r--
ucharstrie.h	20.8 KB	-rw-r--r--
ucharstriebuilder.h	6.83 KB	-rw-r--r--
uchriter.h	12.82 KB	-rw-r--r--
uclean.h	10.38 KB	-rw-r--r--
ucnv.h	82.6 KB	-rw-r--r--
ucnv_cb.h	6.48 KB	-rw-r--r--
ucnv_err.h	20.87 KB	-rw-r--r--
ucnvsel.h	6.03 KB	-rw-r--r--
ucol.h	57.93 KB	-rw-r--r--
ucoleitr.h	12.25 KB	-rw-r--r--
uconfig.h	10.79 KB	-rw-r--r--
ucsdet.h	12.6 KB	-rw-r--r--
ucurr.h	12.96 KB	-rw-r--r--
udat.h	46.47 KB	-rw-r--r--
udata.h	14.81 KB	-rw-r--r--
udateintervalformat.h	6.5 KB	-rw-r--r--
udatpg.h	23.24 KB	-rw-r--r--
udisplaycontext.h	4.34 KB	-rw-r--r--
uenum.h	7.79 KB	-rw-r--r--
ugender.h	1.85 KB	-rw-r--r--
uidna.h	32.81 KB	-rw-r--r--
uiter.h	22.67 KB	-rw-r--r--
uldnames.h	10.5 KB	-rw-r--r--
uloc.h	44.07 KB	-rw-r--r--
ulocdata.h	10.37 KB	-rw-r--r--
umachine.h	10.23 KB	-rw-r--r--
umisc.h	1.23 KB	-rw-r--r--
umsg.h	24.12 KB	-rw-r--r--
unifilt.h	3.52 KB	-rw-r--r--
unifunct.h	3.87 KB	-rw-r--r--
unimatch.h	5.93 KB	-rw-r--r--
unirepl.h	3.21 KB	-rw-r--r--
uniset.h	63.07 KB	-rw-r--r--
unistr.h	164.33 KB	-rw-r--r--
unorm.h	22.89 KB	-rw-r--r--
unorm2.h	21.91 KB	-rw-r--r--
unum.h	39.21 KB	-rw-r--r--
uobject.h	12.21 KB	-rw-r--r--
upluralrules.h	4.47 KB	-rw-r--r--
uregex.h	71.47 KB	-rw-r--r--
urename.h	120.88 KB	-rw-r--r--
urep.h	5.27 KB	-rw-r--r--
ures.h	35.92 KB	-rw-r--r--
uscript.h	20.46 KB	-rw-r--r--
usearch.h	36.09 KB	-rw-r--r--
uset.h	39.45 KB	-rw-r--r--
usetiter.h	9.38 KB	-rw-r--r--
ushape.h	17.89 KB	-rw-r--r--
uspoof.h	38.91 KB	-rw-r--r--
usprep.h	8.02 KB	-rw-r--r--
ustdio.h	37.05 KB	-rw-r--r--
ustream.h	1.6 KB	-rw-r--r--
ustring.h	73.01 KB	-rw-r--r--
ustringtrie.h	3.04 KB	-rw-r--r--
utext.h	57.97 KB	-rw-r--r--
utf.h	7.64 KB	-rw-r--r--
utf16.h	18.24 KB	-rw-r--r--
utf32.h	653 B	-rw-r--r--
utf8.h	23.02 KB	-rw-r--r--
utf_old.h	42.5 KB	-rw-r--r--
utmscale.h	13.37 KB	-rw-r--r--
utrace.h	13.09 KB	-rw-r--r--
utrans.h	23.08 KB	-rw-r--r--
utypes.h	30.72 KB	-rw-r--r--
uvernum.h	5.53 KB	-rw-r--r--
uversion.h	6.29 KB	-rw-r--r--
vtzone.h	20.09 KB	-rw-r--r--

Code Editor : stringpiece.h

// Copyright (C) 2009-2012, International Business Machines
// Corporation and others. All Rights Reserved.
//
// Copyright 2001 and onwards Google Inc.
// Author: Sanjay Ghemawat

// This code is a contribution of Google code, and the style used here is
// a compromise between the original Google code and the ICU coding guidelines.
// For example, data types are ICU-ified (size_t,int->int32_t),
// and API comments doxygen-ified, but function names and behavior are
// as in the original, if possible.
// Assertion-style error handling, not available in ICU, was changed to
// parameter "pinning" similar to UnicodeString.
//
// In addition, this is only a partial port of the original Google code,
// limited to what was needed so far. The (nearly) complete original code
// is in the ICU svn repository at icuhtml/trunk/design/strings/contrib
// (see ICU ticket 6765, r25517).

#ifndef __STRINGPIECE_H__
#define __STRINGPIECE_H__

/**
 * \file 
 * \brief C++ API: StringPiece: Read-only byte string wrapper class.
 */

#include "unicode/utypes.h"
#include "unicode/uobject.h"
#include "unicode/std_string.h"

// Arghh!  I wish C++ literals were "string".

U_NAMESPACE_BEGIN

/**
 * A string-like object that points to a sized piece of memory.
 *
 * We provide non-explicit singleton constructors so users can pass
 * in a "const char*" or a "string" wherever a "StringPiece" is
 * expected.
 *
 * Functions or methods may use const StringPiece& parameters to accept either
 * a "const char*" or a "string" value that will be implicitly converted to
 * a StringPiece.
 *
 * Systematic usage of StringPiece is encouraged as it will reduce unnecessary
 * conversions from "const char*" to "string" and back again.
 *
 * @stable ICU 4.2
 */
class U_COMMON_API StringPiece : public UMemory {
 private:
  const char*   ptr_;
  int32_t       length_;

public:
  /**
   * Default constructor, creates an empty StringPiece.
   * @stable ICU 4.2
   */
  StringPiece() : ptr_(NULL), length_(0) { }
  /**
   * Constructs from a NUL-terminated const char * pointer.
   * @param str a NUL-terminated const char * pointer
   * @stable ICU 4.2
   */
  StringPiece(const char* str);
#if U_HAVE_STD_STRING
  /**
   * Constructs from a std::string.
   * @stable ICU 4.2
   */
  StringPiece(const std::string& str)
    : ptr_(str.data()), length_(static_cast<int32_t>(str.size())) { }
#endif
  /**
   * Constructs from a const char * pointer and a specified length.
   * @param offset a const char * pointer (need not be terminated)
   * @param len the length of the string; must be non-negative
   * @stable ICU 4.2
   */
  StringPiece(const char* offset, int32_t len) : ptr_(offset), length_(len) { }
  /**
   * Substring of another StringPiece.
   * @param x the other StringPiece
   * @param pos start position in x; must be non-negative and <= x.length().
   * @stable ICU 4.2
   */
  StringPiece(const StringPiece& x, int32_t pos);
  /**
   * Substring of another StringPiece.
   * @param x the other StringPiece
   * @param pos start position in x; must be non-negative and <= x.length().
   * @param len length of the substring;
   *            must be non-negative and will be pinned to at most x.length() - pos.
   * @stable ICU 4.2
   */
  StringPiece(const StringPiece& x, int32_t pos, int32_t len);

/**
   * Returns the string pointer. May be NULL if it is empty.
   *
   * 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.
   * @return the string pointer
   * @stable ICU 4.2
   */
  const char* data() const { return ptr_; }
  /**
   * Returns the string length. Same as length().
   * @return the string length
   * @stable ICU 4.2
   */
  int32_t size() const { return length_; }
  /**
   * Returns the string length. Same as size().
   * @return the string length
   * @stable ICU 4.2
   */
  int32_t length() const { return length_; }
  /**
   * Returns whether the string is empty.
   * @return TRUE if the string is empty
   * @stable ICU 4.2
   */
  UBool empty() const { return length_ == 0; }

/**
   * Sets to an empty string.
   * @stable ICU 4.2
   */
  void clear() { ptr_ = NULL; length_ = 0; }

/**
   * Reset the stringpiece to refer to new data.
   * @param xdata pointer the new string data.  Need not be nul terminated.
   * @param len the length of the new data
   * @stable ICU 4.8
   */
  void set(const char* xdata, int32_t len) { ptr_ = xdata; length_ = len; }

/**
   * Reset the stringpiece to refer to new data.
   * @param str a pointer to a NUL-terminated string. 
   * @stable ICU 4.8
   */
  void set(const char* str);

/**
   * Removes the first n string units.
   * @param n prefix length, must be non-negative and <=length()
   * @stable ICU 4.2
   */
  void remove_prefix(int32_t n) {
    if (n >= 0) {
      if (n > length_) {
        n = length_;
      }
      ptr_ += n;
      length_ -= n;
    }
  }

/**
   * Removes the last n string units.
   * @param n suffix length, must be non-negative and <=length()
   * @stable ICU 4.2
   */
  void remove_suffix(int32_t n) {
    if (n >= 0) {
      if (n <= length_) {
        length_ -= n;
      } else {
        length_ = 0;
      }
    }
  }

/**
   * Maximum integer, used as a default value for substring methods.
   * @stable ICU 4.2
   */
  static const int32_t npos = 0x7fffffff;

/**
   * Returns a substring of this StringPiece.
   * @param pos start position; must be non-negative and <= length().
   * @param len length of the substring;
   *            must be non-negative and will be pinned to at most length() - pos.
   * @return the substring StringPiece
   * @stable ICU 4.2
   */
  StringPiece substr(int32_t pos, int32_t len = npos) const {
    return StringPiece(*this, pos, len);
  }
};

/**
 * Global operator == for StringPiece
 * @param x The first StringPiece to compare.
 * @param y The second StringPiece to compare.
 * @return TRUE if the string data is equal
 * @stable ICU 4.8
 */
U_EXPORT UBool U_EXPORT2 
operator==(const StringPiece& x, const StringPiece& y);

/**
 * Global operator != for StringPiece
 * @param x The first StringPiece to compare.
 * @param y The second StringPiece to compare.
 * @return TRUE if the string data is not equal
 * @stable ICU 4.8
 */
inline UBool operator!=(const StringPiece& x, const StringPiece& y) {
  return !(x == y);
}

U_NAMESPACE_END

#endif  // __STRINGPIECE_H__

${this.title}

Code Editor : stringpiece.h