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 "testing/fx_string_testhelpers.h"
6
7 #include <iomanip>
8 #include <ios>
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 // This function is used for FX strings whose length is defined as int.
16 for (int i = 0; i < str.GetLength(); ++i) {
17 unsigned int c = str.GetAt(i);
18 if (c >= 0x20 && c < 0x7F) {
19 out << static_cast<char>(c);
20 } else if (sizeof(typename T::CharType) == 1) {
21 out << "\\x" << std::setw(2) << c << std::setw(0);
22 } else if (c < 0x10000) {
23 out << "\\u" << std::setw(4) << c << std::setw(0);
24 } else {
25 out << "<invalid>";
26 }
27 }
28 out << '"' << std::dec << std::setfill(' ');
29 return out;
30 }
31
32 } // namespace
33
operator <<(std::ostream & out,const CFX_ByteStringC & str)34 std::ostream& operator<<(std::ostream& out, const CFX_ByteStringC& str) {
35 return output_string(out, str);
36 }
37
operator <<(std::ostream & out,const CFX_ByteString & str)38 std::ostream& operator<<(std::ostream& out, const CFX_ByteString& str) {
39 return output_string(out, str);
40 }
41
operator <<(std::ostream & out,const CFX_WideStringC & str)42 std::ostream& operator<<(std::ostream& out, const CFX_WideStringC& str) {
43 return output_string(out, str);
44 }
45
operator <<(std::ostream & out,const CFX_WideString & str)46 std::ostream& operator<<(std::ostream& out, const CFX_WideString& str) {
47 return output_string(out, str);
48 }
49