1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sstream>
30 #include <streambuf>
31 #include <ios_base.h>
32
33 namespace std {
34
35 // basic_stringbuf
36
basic_stringbuf(ios_base::openmode mode)37 basic_stringbuf::basic_stringbuf(ios_base::openmode mode) :
38 mMode(mode) { }
39
basic_stringbuf(const string & str,ios_base::openmode mode)40 basic_stringbuf::basic_stringbuf(const string& str, ios_base::openmode mode) :
41 mMode(mode), mString(str) { }
42
~basic_stringbuf()43 basic_stringbuf::~basic_stringbuf() { }
44
str() const45 const string& basic_stringbuf::str() const {
46 return mString;
47 }
48
str(const string & str)49 void basic_stringbuf::str(const string& str) {
50 mString = str;
51 }
52
in_avail()53 streamsize basic_stringbuf::in_avail() {
54 if (mMode & std::ios_base::in) {
55 return mString.size();
56 } else {
57 return -1;
58 }
59 }
60
xsputn(const char_type * str,streamsize num)61 streamsize basic_stringbuf::xsputn(const char_type* str, streamsize num) {
62 mString.append(str, num);
63 return num;
64 }
65
66
67 // stringstream
68
stringstream(std::ios_base::openmode mode)69 stringstream::stringstream(std::ios_base::openmode mode)
70 : mStringBuf(mode) {
71 this->init(&mStringBuf);
72 }
73
stringstream(const string & str,std::ios_base::openmode mode)74 stringstream::stringstream(const string& str,
75 std::ios_base::openmode mode)
76 : mStringBuf(str, mode) {
77 this->init(&mStringBuf);
78 }
79
~stringstream()80 stringstream::~stringstream() {}
81
put(char c)82 ostream& stringstream::put(char c) {
83 mStringBuf.sputc(c);
84 return *this;
85 }
86
87 } // namespace std
88