diff options
Diffstat (limited to 'gtest-1.6.0/include/gtest/internal/gtest-string.h')
-rw-r--r-- | gtest-1.6.0/include/gtest/internal/gtest-string.h | 700 |
1 files changed, 350 insertions, 350 deletions
diff --git a/gtest-1.6.0/include/gtest/internal/gtest-string.h b/gtest-1.6.0/include/gtest/internal/gtest-string.h index 0d9ed53..dc3a07b 100644 --- a/gtest-1.6.0/include/gtest/internal/gtest-string.h +++ b/gtest-1.6.0/include/gtest/internal/gtest-string.h @@ -1,350 +1,350 @@ -// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee)
-//
-// The Google C++ Testing Framework (Google Test)
-//
-// This header file declares the String class and functions used internally by
-// Google Test. They are subject to change without notice. They should not used
-// by code external to Google Test.
-//
-// This header file is #included by <gtest/internal/gtest-internal.h>.
-// It should not be #included by other files.
-
-#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
-#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
-
-#ifdef __BORLANDC__
-// string.h is not guaranteed to provide strcpy on C++ Builder.
-# include <mem.h>
-#endif
-
-#include <string.h>
-#include "gtest/internal/gtest-port.h"
-
-#include <string>
-
-namespace testing {
-namespace internal {
-
-// String - a UTF-8 string class.
-//
-// For historic reasons, we don't use std::string.
-//
-// TODO(wan@google.com): replace this class with std::string or
-// implement it in terms of the latter.
-//
-// Note that String can represent both NULL and the empty string,
-// while std::string cannot represent NULL.
-//
-// NULL and the empty string are considered different. NULL is less
-// than anything (including the empty string) except itself.
-//
-// This class only provides minimum functionality necessary for
-// implementing Google Test. We do not intend to implement a full-fledged
-// string class here.
-//
-// Since the purpose of this class is to provide a substitute for
-// std::string on platforms where it cannot be used, we define a copy
-// constructor and assignment operators such that we don't need
-// conditional compilation in a lot of places.
-//
-// In order to make the representation efficient, the d'tor of String
-// is not virtual. Therefore DO NOT INHERIT FROM String.
-class GTEST_API_ String {
- public:
- // Static utility methods
-
- // Returns the input enclosed in double quotes if it's not NULL;
- // otherwise returns "(null)". For example, "\"Hello\"" is returned
- // for input "Hello".
- //
- // This is useful for printing a C string in the syntax of a literal.
- //
- // Known issue: escape sequences are not handled yet.
- static String ShowCStringQuoted(const char* c_str);
-
- // Clones a 0-terminated C string, allocating memory using new. The
- // caller is responsible for deleting the return value using
- // delete[]. Returns the cloned string, or NULL if the input is
- // NULL.
- //
- // This is different from strdup() in string.h, which allocates
- // memory using malloc().
- static const char* CloneCString(const char* c_str);
-
-#if GTEST_OS_WINDOWS_MOBILE
- // Windows CE does not have the 'ANSI' versions of Win32 APIs. To be
- // able to pass strings to Win32 APIs on CE we need to convert them
- // to 'Unicode', UTF-16.
-
- // Creates a UTF-16 wide string from the given ANSI string, allocating
- // memory using new. The caller is responsible for deleting the return
- // value using delete[]. Returns the wide string, or NULL if the
- // input is NULL.
- //
- // The wide string is created using the ANSI codepage (CP_ACP) to
- // match the behaviour of the ANSI versions of Win32 calls and the
- // C runtime.
- static LPCWSTR AnsiToUtf16(const char* c_str);
-
- // Creates an ANSI string from the given wide string, allocating
- // memory using new. The caller is responsible for deleting the return
- // value using delete[]. Returns the ANSI string, or NULL if the
- // input is NULL.
- //
- // The returned string is created using the ANSI codepage (CP_ACP) to
- // match the behaviour of the ANSI versions of Win32 calls and the
- // C runtime.
- static const char* Utf16ToAnsi(LPCWSTR utf16_str);
-#endif
-
- // Compares two C strings. Returns true iff they have the same content.
- //
- // Unlike strcmp(), this function can handle NULL argument(s). A
- // NULL C string is considered different to any non-NULL C string,
- // including the empty string.
- static bool CStringEquals(const char* lhs, const char* rhs);
-
- // Converts a wide C string to a String using the UTF-8 encoding.
- // NULL will be converted to "(null)". If an error occurred during
- // the conversion, "(failed to convert from wide string)" is
- // returned.
- static String ShowWideCString(const wchar_t* wide_c_str);
-
- // Similar to ShowWideCString(), except that this function encloses
- // the converted string in double quotes.
- static String ShowWideCStringQuoted(const wchar_t* wide_c_str);
-
- // Compares two wide C strings. Returns true iff they have the same
- // content.
- //
- // Unlike wcscmp(), this function can handle NULL argument(s). A
- // NULL C string is considered different to any non-NULL C string,
- // including the empty string.
- static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs);
-
- // Compares two C strings, ignoring case. Returns true iff they
- // have the same content.
- //
- // Unlike strcasecmp(), this function can handle NULL argument(s).
- // A NULL C string is considered different to any non-NULL C string,
- // including the empty string.
- static bool CaseInsensitiveCStringEquals(const char* lhs,
- const char* rhs);
-
- // Compares two wide C strings, ignoring case. Returns true iff they
- // have the same content.
- //
- // Unlike wcscasecmp(), this function can handle NULL argument(s).
- // A NULL C string is considered different to any non-NULL wide C string,
- // including the empty string.
- // NB: The implementations on different platforms slightly differ.
- // On windows, this method uses _wcsicmp which compares according to LC_CTYPE
- // environment variable. On GNU platform this method uses wcscasecmp
- // which compares according to LC_CTYPE category of the current locale.
- // On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
- // current locale.
- static bool CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
- const wchar_t* rhs);
-
- // Formats a list of arguments to a String, using the same format
- // spec string as for printf.
- //
- // We do not use the StringPrintf class as it is not universally
- // available.
- //
- // The result is limited to 4096 characters (including the tailing
- // 0). If 4096 characters are not enough to format the input,
- // "<buffer exceeded>" is returned.
- static String Format(const char* format, ...);
-
- // C'tors
-
- // The default c'tor constructs a NULL string.
- String() : c_str_(NULL), length_(0) {}
-
- // Constructs a String by cloning a 0-terminated C string.
- String(const char* a_c_str) { // NOLINT
- if (a_c_str == NULL) {
- c_str_ = NULL;
- length_ = 0;
- } else {
- ConstructNonNull(a_c_str, strlen(a_c_str));
- }
- }
-
- // Constructs a String by copying a given number of chars from a
- // buffer. E.g. String("hello", 3) creates the string "hel",
- // String("a\0bcd", 4) creates "a\0bc", String(NULL, 0) creates "",
- // and String(NULL, 1) results in access violation.
- String(const char* buffer, size_t a_length) {
- ConstructNonNull(buffer, a_length);
- }
-
- // The copy c'tor creates a new copy of the string. The two
- // String objects do not share content.
- String(const String& str) : c_str_(NULL), length_(0) { *this = str; }
-
- // D'tor. String is intended to be a final class, so the d'tor
- // doesn't need to be virtual.
- ~String() { delete[] c_str_; }
-
- // Allows a String to be implicitly converted to an ::std::string or
- // ::string, and vice versa. Converting a String containing a NULL
- // pointer to ::std::string or ::string is undefined behavior.
- // Converting a ::std::string or ::string containing an embedded NUL
- // character to a String will result in the prefix up to the first
- // NUL character.
- String(const ::std::string& str) {
- ConstructNonNull(str.c_str(), str.length());
- }
-
- operator ::std::string() const { return ::std::string(c_str(), length()); }
-
-#if GTEST_HAS_GLOBAL_STRING
- String(const ::string& str) {
- ConstructNonNull(str.c_str(), str.length());
- }
-
- operator ::string() const { return ::string(c_str(), length()); }
-#endif // GTEST_HAS_GLOBAL_STRING
-
- // Returns true iff this is an empty string (i.e. "").
- bool empty() const { return (c_str() != NULL) && (length() == 0); }
-
- // Compares this with another String.
- // Returns < 0 if this is less than rhs, 0 if this is equal to rhs, or > 0
- // if this is greater than rhs.
- int Compare(const String& rhs) const;
-
- // Returns true iff this String equals the given C string. A NULL
- // string and a non-NULL string are considered not equal.
- bool operator==(const char* a_c_str) const { return Compare(a_c_str) == 0; }
-
- // Returns true iff this String is less than the given String. A
- // NULL string is considered less than "".
- bool operator<(const String& rhs) const { return Compare(rhs) < 0; }
-
- // Returns true iff this String doesn't equal the given C string. A NULL
- // string and a non-NULL string are considered not equal.
- bool operator!=(const char* a_c_str) const { return !(*this == a_c_str); }
-
- // Returns true iff this String ends with the given suffix. *Any*
- // String is considered to end with a NULL or empty suffix.
- bool EndsWith(const char* suffix) const;
-
- // Returns true iff this String ends with the given suffix, not considering
- // case. Any String is considered to end with a NULL or empty suffix.
- bool EndsWithCaseInsensitive(const char* suffix) const;
-
- // Returns the length of the encapsulated string, or 0 if the
- // string is NULL.
- size_t length() const { return length_; }
-
- // Gets the 0-terminated C string this String object represents.
- // The String object still owns the string. Therefore the caller
- // should NOT delete the return value.
- const char* c_str() const { return c_str_; }
-
- // Assigns a C string to this object. Self-assignment works.
- const String& operator=(const char* a_c_str) {
- return *this = String(a_c_str);
- }
-
- // Assigns a String object to this object. Self-assignment works.
- const String& operator=(const String& rhs) {
- if (this != &rhs) {
- delete[] c_str_;
- if (rhs.c_str() == NULL) {
- c_str_ = NULL;
- length_ = 0;
- } else {
- ConstructNonNull(rhs.c_str(), rhs.length());
- }
- }
-
- return *this;
- }
-
- private:
- // Constructs a non-NULL String from the given content. This
- // function can only be called when c_str_ has not been allocated.
- // ConstructNonNull(NULL, 0) results in an empty string ("").
- // ConstructNonNull(NULL, non_zero) is undefined behavior.
- void ConstructNonNull(const char* buffer, size_t a_length) {
- char* const str = new char[a_length + 1];
- memcpy(str, buffer, a_length);
- str[a_length] = '\0';
- c_str_ = str;
- length_ = a_length;
- }
-
- const char* c_str_;
- size_t length_;
-}; // class String
-
-// Streams a String to an ostream. Each '\0' character in the String
-// is replaced with "\\0".
-inline ::std::ostream& operator<<(::std::ostream& os, const String& str) {
- if (str.c_str() == NULL) {
- os << "(null)";
- } else {
- const char* const c_str = str.c_str();
- for (size_t i = 0; i != str.length(); i++) {
- if (c_str[i] == '\0') {
- os << "\\0";
- } else {
- os << c_str[i];
- }
- }
- }
- return os;
-}
-
-// Gets the content of the stringstream's buffer as a String. Each '\0'
-// character in the buffer is replaced with "\\0".
-GTEST_API_ String StringStreamToString(::std::stringstream* stream);
-
-// Converts a streamable value to a String. A NULL pointer is
-// converted to "(null)". When the input value is a ::string,
-// ::std::string, ::wstring, or ::std::wstring object, each NUL
-// character in it is replaced with "\\0".
-
-// Declared here but defined in gtest.h, so that it has access
-// to the definition of the Message class, required by the ARM
-// compiler.
-template <typename T>
-String StreamableToString(const T& streamable);
-
-} // namespace internal
-} // namespace testing
-
-#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
+// Copyright 2005, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee) +// +// The Google C++ Testing Framework (Google Test) +// +// This header file declares the String class and functions used internally by +// Google Test. They are subject to change without notice. They should not used +// by code external to Google Test. +// +// This header file is #included by <gtest/internal/gtest-internal.h>. +// It should not be #included by other files. + +#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_ +#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_ + +#ifdef __BORLANDC__ +// string.h is not guaranteed to provide strcpy on C++ Builder. +# include <mem.h> +#endif + +#include <string.h> +#include "gtest/internal/gtest-port.h" + +#include <string> + +namespace testing { +namespace internal { + +// String - a UTF-8 string class. +// +// For historic reasons, we don't use std::string. +// +// TODO(wan@google.com): replace this class with std::string or +// implement it in terms of the latter. +// +// Note that String can represent both NULL and the empty string, +// while std::string cannot represent NULL. +// +// NULL and the empty string are considered different. NULL is less +// than anything (including the empty string) except itself. +// +// This class only provides minimum functionality necessary for +// implementing Google Test. We do not intend to implement a full-fledged +// string class here. +// +// Since the purpose of this class is to provide a substitute for +// std::string on platforms where it cannot be used, we define a copy +// constructor and assignment operators such that we don't need +// conditional compilation in a lot of places. +// +// In order to make the representation efficient, the d'tor of String +// is not virtual. Therefore DO NOT INHERIT FROM String. +class GTEST_API_ String { + public: + // Static utility methods + + // Returns the input enclosed in double quotes if it's not NULL; + // otherwise returns "(null)". For example, "\"Hello\"" is returned + // for input "Hello". + // + // This is useful for printing a C string in the syntax of a literal. + // + // Known issue: escape sequences are not handled yet. + static String ShowCStringQuoted(const char* c_str); + + // Clones a 0-terminated C string, allocating memory using new. The + // caller is responsible for deleting the return value using + // delete[]. Returns the cloned string, or NULL if the input is + // NULL. + // + // This is different from strdup() in string.h, which allocates + // memory using malloc(). + static const char* CloneCString(const char* c_str); + +#if GTEST_OS_WINDOWS_MOBILE + // Windows CE does not have the 'ANSI' versions of Win32 APIs. To be + // able to pass strings to Win32 APIs on CE we need to convert them + // to 'Unicode', UTF-16. + + // Creates a UTF-16 wide string from the given ANSI string, allocating + // memory using new. The caller is responsible for deleting the return + // value using delete[]. Returns the wide string, or NULL if the + // input is NULL. + // + // The wide string is created using the ANSI codepage (CP_ACP) to + // match the behaviour of the ANSI versions of Win32 calls and the + // C runtime. + static LPCWSTR AnsiToUtf16(const char* c_str); + + // Creates an ANSI string from the given wide string, allocating + // memory using new. The caller is responsible for deleting the return + // value using delete[]. Returns the ANSI string, or NULL if the + // input is NULL. + // + // The returned string is created using the ANSI codepage (CP_ACP) to + // match the behaviour of the ANSI versions of Win32 calls and the + // C runtime. + static const char* Utf16ToAnsi(LPCWSTR utf16_str); +#endif + + // Compares two C strings. Returns true iff they have the same content. + // + // Unlike strcmp(), this function can handle NULL argument(s). A + // NULL C string is considered different to any non-NULL C string, + // including the empty string. + static bool CStringEquals(const char* lhs, const char* rhs); + + // Converts a wide C string to a String using the UTF-8 encoding. + // NULL will be converted to "(null)". If an error occurred during + // the conversion, "(failed to convert from wide string)" is + // returned. + static String ShowWideCString(const wchar_t* wide_c_str); + + // Similar to ShowWideCString(), except that this function encloses + // the converted string in double quotes. + static String ShowWideCStringQuoted(const wchar_t* wide_c_str); + + // Compares two wide C strings. Returns true iff they have the same + // content. + // + // Unlike wcscmp(), this function can handle NULL argument(s). A + // NULL C string is considered different to any non-NULL C string, + // including the empty string. + static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs); + + // Compares two C strings, ignoring case. Returns true iff they + // have the same content. + // + // Unlike strcasecmp(), this function can handle NULL argument(s). + // A NULL C string is considered different to any non-NULL C string, + // including the empty string. + static bool CaseInsensitiveCStringEquals(const char* lhs, + const char* rhs); + + // Compares two wide C strings, ignoring case. Returns true iff they + // have the same content. + // + // Unlike wcscasecmp(), this function can handle NULL argument(s). + // A NULL C string is considered different to any non-NULL wide C string, + // including the empty string. + // NB: The implementations on different platforms slightly differ. + // On windows, this method uses _wcsicmp which compares according to LC_CTYPE + // environment variable. On GNU platform this method uses wcscasecmp + // which compares according to LC_CTYPE category of the current locale. + // On MacOS X, it uses towlower, which also uses LC_CTYPE category of the + // current locale. + static bool CaseInsensitiveWideCStringEquals(const wchar_t* lhs, + const wchar_t* rhs); + + // Formats a list of arguments to a String, using the same format + // spec string as for printf. + // + // We do not use the StringPrintf class as it is not universally + // available. + // + // The result is limited to 4096 characters (including the tailing + // 0). If 4096 characters are not enough to format the input, + // "<buffer exceeded>" is returned. + static String Format(const char* format, ...); + + // C'tors + + // The default c'tor constructs a NULL string. + String() : c_str_(NULL), length_(0) {} + + // Constructs a String by cloning a 0-terminated C string. + String(const char* a_c_str) { // NOLINT + if (a_c_str == NULL) { + c_str_ = NULL; + length_ = 0; + } else { + ConstructNonNull(a_c_str, strlen(a_c_str)); + } + } + + // Constructs a String by copying a given number of chars from a + // buffer. E.g. String("hello", 3) creates the string "hel", + // String("a\0bcd", 4) creates "a\0bc", String(NULL, 0) creates "", + // and String(NULL, 1) results in access violation. + String(const char* buffer, size_t a_length) { + ConstructNonNull(buffer, a_length); + } + + // The copy c'tor creates a new copy of the string. The two + // String objects do not share content. + String(const String& str) : c_str_(NULL), length_(0) { *this = str; } + + // D'tor. String is intended to be a final class, so the d'tor + // doesn't need to be virtual. + ~String() { delete[] c_str_; } + + // Allows a String to be implicitly converted to an ::std::string or + // ::string, and vice versa. Converting a String containing a NULL + // pointer to ::std::string or ::string is undefined behavior. + // Converting a ::std::string or ::string containing an embedded NUL + // character to a String will result in the prefix up to the first + // NUL character. + String(const ::std::string& str) { + ConstructNonNull(str.c_str(), str.length()); + } + + operator ::std::string() const { return ::std::string(c_str(), length()); } + +#if GTEST_HAS_GLOBAL_STRING + String(const ::string& str) { + ConstructNonNull(str.c_str(), str.length()); + } + + operator ::string() const { return ::string(c_str(), length()); } +#endif // GTEST_HAS_GLOBAL_STRING + + // Returns true iff this is an empty string (i.e. ""). + bool empty() const { return (c_str() != NULL) && (length() == 0); } + + // Compares this with another String. + // Returns < 0 if this is less than rhs, 0 if this is equal to rhs, or > 0 + // if this is greater than rhs. + int Compare(const String& rhs) const; + + // Returns true iff this String equals the given C string. A NULL + // string and a non-NULL string are considered not equal. + bool operator==(const char* a_c_str) const { return Compare(a_c_str) == 0; } + + // Returns true iff this String is less than the given String. A + // NULL string is considered less than "". + bool operator<(const String& rhs) const { return Compare(rhs) < 0; } + + // Returns true iff this String doesn't equal the given C string. A NULL + // string and a non-NULL string are considered not equal. + bool operator!=(const char* a_c_str) const { return !(*this == a_c_str); } + + // Returns true iff this String ends with the given suffix. *Any* + // String is considered to end with a NULL or empty suffix. + bool EndsWith(const char* suffix) const; + + // Returns true iff this String ends with the given suffix, not considering + // case. Any String is considered to end with a NULL or empty suffix. + bool EndsWithCaseInsensitive(const char* suffix) const; + + // Returns the length of the encapsulated string, or 0 if the + // string is NULL. + size_t length() const { return length_; } + + // Gets the 0-terminated C string this String object represents. + // The String object still owns the string. Therefore the caller + // should NOT delete the return value. + const char* c_str() const { return c_str_; } + + // Assigns a C string to this object. Self-assignment works. + const String& operator=(const char* a_c_str) { + return *this = String(a_c_str); + } + + // Assigns a String object to this object. Self-assignment works. + const String& operator=(const String& rhs) { + if (this != &rhs) { + delete[] c_str_; + if (rhs.c_str() == NULL) { + c_str_ = NULL; + length_ = 0; + } else { + ConstructNonNull(rhs.c_str(), rhs.length()); + } + } + + return *this; + } + + private: + // Constructs a non-NULL String from the given content. This + // function can only be called when c_str_ has not been allocated. + // ConstructNonNull(NULL, 0) results in an empty string (""). + // ConstructNonNull(NULL, non_zero) is undefined behavior. + void ConstructNonNull(const char* buffer, size_t a_length) { + char* const str = new char[a_length + 1]; + memcpy(str, buffer, a_length); + str[a_length] = '\0'; + c_str_ = str; + length_ = a_length; + } + + const char* c_str_; + size_t length_; +}; // class String + +// Streams a String to an ostream. Each '\0' character in the String +// is replaced with "\\0". +inline ::std::ostream& operator<<(::std::ostream& os, const String& str) { + if (str.c_str() == NULL) { + os << "(null)"; + } else { + const char* const c_str = str.c_str(); + for (size_t i = 0; i != str.length(); i++) { + if (c_str[i] == '\0') { + os << "\\0"; + } else { + os << c_str[i]; + } + } + } + return os; +} + +// Gets the content of the stringstream's buffer as a String. Each '\0' +// character in the buffer is replaced with "\\0". +GTEST_API_ String StringStreamToString(::std::stringstream* stream); + +// Converts a streamable value to a String. A NULL pointer is +// converted to "(null)". When the input value is a ::string, +// ::std::string, ::wstring, or ::std::wstring object, each NUL +// character in it is replaced with "\\0". + +// Declared here but defined in gtest.h, so that it has access +// to the definition of the Message class, required by the ARM +// compiler. +template <typename T> +String StreamableToString(const T& streamable); + +} // namespace internal +} // namespace testing + +#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_ |