1 // Copyright 2014 PDFium 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.
4
5 #include "fx_string_testhelpers.h"
6
7 #include <ios>
8 #include <iomanip>
9
10 namespace {
11
12 template <typename T>
output_string(std::ostream & out,const T & str)13 std::ostream& output_string(std::ostream& out, const T& str) {
14 out << std::hex << std::setfill('0') << '"';
15 for (size_t i = 0; i < str.GetLength(); ++i) {
16 unsigned int c = str.GetAt(i);
17 if (c >= 0x20 && c < 0x7F) {
18 out << static_cast<char>(c);
19 } else if (sizeof(typename T::value_type) == 1) {
20 out << "\\x" << std::setw(2) << c << std::setw(0);
21 } else if (c < 0x10000) {
22 out << "\\u" << std::setw(4) << c << std::setw(0);
23 } else {
24 out << "<invalid>";
25 }
26 }
27 out << '"' << std::dec << std::setfill(' ');
28 return out;
29 }
30
31 } // namespace
32
operator <<(std::ostream & out,const CFX_ByteStringC & str)33 std::ostream& operator<<(std::ostream& out, const CFX_ByteStringC& str) {
34 return output_string(out, str);
35 }
36
operator <<(std::ostream & out,const CFX_ByteString & str)37 std::ostream& operator<<(std::ostream& out, const CFX_ByteString& str) {
38 return output_string(out, str);
39 }
40
operator <<(std::ostream & out,const CFX_WideStringC & str)41 std::ostream& operator<<(std::ostream& out, const CFX_WideStringC& str) {
42 return output_string(out, str);
43 }
44
operator <<(std::ostream & out,const CFX_WideString & str)45 std::ostream& operator<<(std::ostream& out, const CFX_WideString& str) {
46 return output_string(out, str);
47 }
48