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 dc3a07b..0d9ed53 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_
|