diff options
Diffstat (limited to 'src/google/protobuf/stubs/strutil.h')
| -rw-r--r-- | src/google/protobuf/stubs/strutil.h | 286 |
1 files changed, 169 insertions, 117 deletions
diff --git a/src/google/protobuf/stubs/strutil.h b/src/google/protobuf/stubs/strutil.h index a839b8b3..e567ba7f 100644 --- a/src/google/protobuf/stubs/strutil.h +++ b/src/google/protobuf/stubs/strutil.h @@ -38,6 +38,8 @@ #include <google/protobuf/stubs/common.h> #include <google/protobuf/stubs/stringpiece.h> +#include <google/protobuf/port_def.inc> + namespace google { namespace protobuf { @@ -155,13 +157,12 @@ inline string StripSuffixString(const string& str, const string& suffix) { // StripWhitespace // Removes whitespaces from both ends of the given string. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void ReplaceCharacters(string* s, const char* remove, - char replacewith); -LIBPROTOBUF_EXPORT void StripString(string* s, const char* remove, - char replacewith); - -LIBPROTOBUF_EXPORT void StripWhitespace(string* s); +PROTOBUF_EXPORT void ReplaceCharacters(string* s, const char* remove, + char replacewith); +PROTOBUF_EXPORT void StripString(string* s, const char* remove, + char replacewith); +PROTOBUF_EXPORT void StripWhitespace(string* s); // ---------------------------------------------------------------------- // LowerString() @@ -203,8 +204,8 @@ inline string ToUpper(const string& s) { // happened or not. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string StringReplace(const string& s, const string& oldsub, - const string& newsub, bool replace_all); +PROTOBUF_EXPORT string StringReplace(const string& s, const string& oldsub, + const string& newsub, bool replace_all); // ---------------------------------------------------------------------- // SplitStringUsing() @@ -212,8 +213,8 @@ LIBPROTOBUF_EXPORT string StringReplace(const string& s, const string& oldsub, // to 'result'. If there are consecutive delimiters, this function skips // over all of them. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void SplitStringUsing(const string& full, const char* delim, - std::vector<string>* res); +PROTOBUF_EXPORT void SplitStringUsing(const string& full, const char* delim, + std::vector<string>* res); // Split a string using one or more byte delimiters, presented // as a nul-terminated c string. Append the components to 'result'. @@ -223,9 +224,9 @@ LIBPROTOBUF_EXPORT void SplitStringUsing(const string& full, const char* delim, // // If "full" is the empty string, yields an empty string as the only value. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void SplitStringAllowEmpty(const string& full, - const char* delim, - std::vector<string>* result); +PROTOBUF_EXPORT void SplitStringAllowEmpty(const string& full, + const char* delim, + std::vector<string>* result); // ---------------------------------------------------------------------- // Split() @@ -250,8 +251,8 @@ inline std::vector<string> Split( // another takes a pointer to the target string. In the latter case the // target string is cleared and overwritten. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void JoinStrings(const std::vector<string>& components, - const char* delim, string* result); +PROTOBUF_EXPORT void JoinStrings(const std::vector<string>& components, + const char* delim, string* result); inline string JoinStrings(const std::vector<string>& components, const char* delim) { @@ -285,15 +286,15 @@ inline string JoinStrings(const std::vector<string>& components, // // Errors: In the first form of the call, errors are reported with // LOG(ERROR). The same is true for the second form of the call if -// the pointer to the string std::vector is NULL; otherwise, error +// the pointer to the string std::vector is nullptr; otherwise, error // messages are stored in the std::vector. In either case, the effect on // the dest array is not defined, but rest of the source will be // processed. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int UnescapeCEscapeSequences(const char* source, char* dest); -LIBPROTOBUF_EXPORT int UnescapeCEscapeSequences(const char* source, char* dest, - std::vector<string> *errors); +PROTOBUF_EXPORT int UnescapeCEscapeSequences(const char* source, char* dest); +PROTOBUF_EXPORT int UnescapeCEscapeSequences(const char* source, char* dest, + std::vector<string>* errors); // ---------------------------------------------------------------------- // UnescapeCEscapeString() @@ -304,16 +305,16 @@ LIBPROTOBUF_EXPORT int UnescapeCEscapeSequences(const char* source, char* dest, // to be the same. // // The second call stores its errors in a supplied string vector. -// If the string vector pointer is NULL, it reports the errors with LOG(). +// If the string vector pointer is nullptr, it reports the errors with LOG(). // // In the first and second calls, the length of dest is returned. In the // the third call, the new string is returned. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int UnescapeCEscapeString(const string& src, string* dest); -LIBPROTOBUF_EXPORT int UnescapeCEscapeString(const string& src, string* dest, - std::vector<string> *errors); -LIBPROTOBUF_EXPORT string UnescapeCEscapeString(const string& src); +PROTOBUF_EXPORT int UnescapeCEscapeString(const string& src, string* dest); +PROTOBUF_EXPORT int UnescapeCEscapeString(const string& src, string* dest, + std::vector<string>* errors); +PROTOBUF_EXPORT string UnescapeCEscapeString(const string& src); // ---------------------------------------------------------------------- // CEscape() @@ -322,21 +323,21 @@ LIBPROTOBUF_EXPORT string UnescapeCEscapeString(const string& src); // // Escaped chars: \n, \r, \t, ", ', \, and !isprint(). // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string CEscape(const string& src); +PROTOBUF_EXPORT string CEscape(const string& src); // ---------------------------------------------------------------------- // CEscapeAndAppend() // Escapes 'src' using C-style escape sequences, and appends the escaped // string to 'dest'. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void CEscapeAndAppend(StringPiece src, string* dest); +PROTOBUF_EXPORT void CEscapeAndAppend(StringPiece src, string* dest); namespace strings { // Like CEscape() but does not escape bytes with the upper bit set. -LIBPROTOBUF_EXPORT string Utf8SafeCEscape(const string& src); +PROTOBUF_EXPORT string Utf8SafeCEscape(const string& src); // Like CEscape() but uses hex (\x) escapes instead of octals. -LIBPROTOBUF_EXPORT string CHexEscape(const string& src); +PROTOBUF_EXPORT string CHexEscape(const string& src); } // namespace strings // ---------------------------------------------------------------------- @@ -349,10 +350,10 @@ LIBPROTOBUF_EXPORT string CHexEscape(const string& src); // platforms, so using these is safer, from the point of view of // overflow behavior, than using the standard libc functions. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int32 strto32_adaptor(const char *nptr, char **endptr, - int base); -LIBPROTOBUF_EXPORT uint32 strtou32_adaptor(const char *nptr, char **endptr, - int base); +PROTOBUF_EXPORT int32 strto32_adaptor(const char* nptr, char** endptr, + int base); +PROTOBUF_EXPORT uint32 strtou32_adaptor(const char* nptr, char** endptr, + int base); inline int32 strto32(const char *nptr, char **endptr, int base) { if (sizeof(int32) == sizeof(long)) @@ -391,10 +392,10 @@ inline uint64 strtou64(const char *nptr, char **endptr, int base) { // safe_strtof() // safe_strtod() // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT bool safe_strtob(StringPiece str, bool* value); +PROTOBUF_EXPORT bool safe_strtob(StringPiece str, bool* value); -LIBPROTOBUF_EXPORT bool safe_strto32(const string& str, int32* value); -LIBPROTOBUF_EXPORT bool safe_strtou32(const string& str, uint32* value); +PROTOBUF_EXPORT bool safe_strto32(const string& str, int32* value); +PROTOBUF_EXPORT bool safe_strtou32(const string& str, uint32* value); inline bool safe_strto32(const char* str, int32* value) { return safe_strto32(string(str), value); } @@ -408,8 +409,8 @@ inline bool safe_strtou32(StringPiece str, uint32* value) { return safe_strtou32(str.ToString(), value); } -LIBPROTOBUF_EXPORT bool safe_strto64(const string& str, int64* value); -LIBPROTOBUF_EXPORT bool safe_strtou64(const string& str, uint64* value); +PROTOBUF_EXPORT bool safe_strto64(const string& str, int64* value); +PROTOBUF_EXPORT bool safe_strtou64(const string& str, uint64* value); inline bool safe_strto64(const char* str, int64* value) { return safe_strto64(string(str), value); } @@ -423,8 +424,8 @@ inline bool safe_strtou64(StringPiece str, uint64* value) { return safe_strtou64(str.ToString(), value); } -LIBPROTOBUF_EXPORT bool safe_strtof(const char* str, float* value); -LIBPROTOBUF_EXPORT bool safe_strtod(const char* str, double* value); +PROTOBUF_EXPORT bool safe_strtof(const char* str, float* value); +PROTOBUF_EXPORT bool safe_strtod(const char* str, double* value); inline bool safe_strtof(const string& str, float* value) { return safe_strtof(str.c_str(), value); } @@ -464,13 +465,13 @@ inline bool safe_strtod(StringPiece str, double* value) { // DoubleToBuffer() and FloatToBuffer(). static const int kFastToBufferSize = 32; -LIBPROTOBUF_EXPORT char* FastInt32ToBuffer(int32 i, char* buffer); -LIBPROTOBUF_EXPORT char* FastInt64ToBuffer(int64 i, char* buffer); +PROTOBUF_EXPORT char* FastInt32ToBuffer(int32 i, char* buffer); +PROTOBUF_EXPORT char* FastInt64ToBuffer(int64 i, char* buffer); char* FastUInt32ToBuffer(uint32 i, char* buffer); // inline below char* FastUInt64ToBuffer(uint64 i, char* buffer); // inline below -LIBPROTOBUF_EXPORT char* FastHexToBuffer(int i, char* buffer); -LIBPROTOBUF_EXPORT char* FastHex64ToBuffer(uint64 i, char* buffer); -LIBPROTOBUF_EXPORT char* FastHex32ToBuffer(uint32 i, char* buffer); +PROTOBUF_EXPORT char* FastHexToBuffer(int i, char* buffer); +PROTOBUF_EXPORT char* FastHex64ToBuffer(uint64 i, char* buffer); +PROTOBUF_EXPORT char* FastHex32ToBuffer(uint32 i, char* buffer); // at least 22 bytes long inline char* FastIntToBuffer(int i, char* buffer) { @@ -506,10 +507,10 @@ inline char* FastULongToBuffer(unsigned long i, char* buffer) { // terminating the string). // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT char* FastInt32ToBufferLeft(int32 i, char* buffer); -LIBPROTOBUF_EXPORT char* FastUInt32ToBufferLeft(uint32 i, char* buffer); -LIBPROTOBUF_EXPORT char* FastInt64ToBufferLeft(int64 i, char* buffer); -LIBPROTOBUF_EXPORT char* FastUInt64ToBufferLeft(uint64 i, char* buffer); +PROTOBUF_EXPORT char* FastInt32ToBufferLeft(int32 i, char* buffer); +PROTOBUF_EXPORT char* FastUInt32ToBufferLeft(uint32 i, char* buffer); +PROTOBUF_EXPORT char* FastInt64ToBufferLeft(int64 i, char* buffer); +PROTOBUF_EXPORT char* FastUInt64ToBufferLeft(uint64 i, char* buffer); // Just define these in terms of the above. inline char* FastUInt32ToBuffer(uint32 i, char* buffer) { @@ -531,12 +532,12 @@ inline string SimpleBtoa(bool value) { // // Return value: string // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string SimpleItoa(int i); -LIBPROTOBUF_EXPORT string SimpleItoa(unsigned int i); -LIBPROTOBUF_EXPORT string SimpleItoa(long i); -LIBPROTOBUF_EXPORT string SimpleItoa(unsigned long i); -LIBPROTOBUF_EXPORT string SimpleItoa(long long i); -LIBPROTOBUF_EXPORT string SimpleItoa(unsigned long long i); +PROTOBUF_EXPORT string SimpleItoa(int i); +PROTOBUF_EXPORT string SimpleItoa(unsigned int i); +PROTOBUF_EXPORT string SimpleItoa(long i); +PROTOBUF_EXPORT string SimpleItoa(unsigned long i); +PROTOBUF_EXPORT string SimpleItoa(long long i); +PROTOBUF_EXPORT string SimpleItoa(unsigned long long i); // ---------------------------------------------------------------------- // SimpleDtoa() @@ -557,11 +558,11 @@ LIBPROTOBUF_EXPORT string SimpleItoa(unsigned long long i); // // Return value: string // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string SimpleDtoa(double value); -LIBPROTOBUF_EXPORT string SimpleFtoa(float value); +PROTOBUF_EXPORT string SimpleDtoa(double value); +PROTOBUF_EXPORT string SimpleFtoa(float value); -LIBPROTOBUF_EXPORT char* DoubleToBuffer(double i, char* buffer); -LIBPROTOBUF_EXPORT char* FloatToBuffer(float i, char* buffer); +PROTOBUF_EXPORT char* DoubleToBuffer(double i, char* buffer); +PROTOBUF_EXPORT char* FloatToBuffer(float i, char* buffer); // In practice, doubles should never need more than 24 bytes and floats // should never need more than 14 (including null terminators), but we @@ -610,7 +611,7 @@ struct Hex { } }; -struct LIBPROTOBUF_EXPORT AlphaNum { +struct PROTOBUF_EXPORT AlphaNum { const char *piece_data_; // move these to string_ref eventually size_t piece_size_; // move these to string_ref eventually @@ -692,30 +693,30 @@ using strings::AlphaNum; // be a reference into str. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, - const AlphaNum& e); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, - const AlphaNum& e, const AlphaNum& f); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, - const AlphaNum& e, const AlphaNum& f, - const AlphaNum& g); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, - const AlphaNum& e, const AlphaNum& f, - const AlphaNum& g, const AlphaNum& h); -LIBPROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, - const AlphaNum& e, const AlphaNum& f, - const AlphaNum& g, const AlphaNum& h, - const AlphaNum& i); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e, const AlphaNum& f); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e, const AlphaNum& f, + const AlphaNum& g); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e, const AlphaNum& f, + const AlphaNum& g, const AlphaNum& h); +PROTOBUF_EXPORT string StrCat(const AlphaNum& a, const AlphaNum& b, + const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e, const AlphaNum& f, + const AlphaNum& g, const AlphaNum& h, + const AlphaNum& i); inline string StrCat(const AlphaNum& a) { return string(a.data(), a.size()); } @@ -740,14 +741,14 @@ inline string StrCat(const AlphaNum& a) { return string(a.data(), a.size()); } // worked around as consecutive calls to StrAppend are quite efficient. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a); -LIBPROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, - const AlphaNum& b); -LIBPROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, - const AlphaNum& b, const AlphaNum& c); -LIBPROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, - const AlphaNum& b, const AlphaNum& c, - const AlphaNum& d); +PROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a); +PROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, + const AlphaNum& b); +PROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, + const AlphaNum& b, const AlphaNum& c); +PROTOBUF_EXPORT void StrAppend(string* dest, const AlphaNum& a, + const AlphaNum& b, const AlphaNum& c, + const AlphaNum& d); // ---------------------------------------------------------------------- // Join() @@ -777,7 +778,7 @@ string Join(const Range& components, // ToHex() // Return a lower-case hex string representation of the given integer. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT string ToHex(uint64 num); +PROTOBUF_EXPORT string ToHex(uint64 num); // ---------------------------------------------------------------------- // GlobalReplaceSubstring() @@ -786,9 +787,9 @@ LIBPROTOBUF_EXPORT string ToHex(uint64 num); // // NOTE: The string pieces must not overlap s. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int GlobalReplaceSubstring(const string& substring, - const string& replacement, - string* s); +PROTOBUF_EXPORT int GlobalReplaceSubstring(const string& substring, + const string& replacement, + string* s); // ---------------------------------------------------------------------- // Base64Unescape() @@ -796,7 +797,7 @@ LIBPROTOBUF_EXPORT int GlobalReplaceSubstring(const string& substring, // writes it to "dest". If src contains invalid characters, dest is cleared // and the function returns false. Returns true on success. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT bool Base64Unescape(StringPiece src, string* dest); +PROTOBUF_EXPORT bool Base64Unescape(StringPiece src, string* dest); // ---------------------------------------------------------------------- // WebSafeBase64Unescape() @@ -809,18 +810,17 @@ LIBPROTOBUF_EXPORT bool Base64Unescape(StringPiece src, string* dest); // returns false (with dest empty) if src contains invalid chars; for // this version src and dest must be different strings. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int WebSafeBase64Unescape(const char* src, int slen, - char* dest, int szdest); -LIBPROTOBUF_EXPORT bool WebSafeBase64Unescape(StringPiece src, string* dest); +PROTOBUF_EXPORT int WebSafeBase64Unescape(const char* src, int slen, char* dest, + int szdest); +PROTOBUF_EXPORT bool WebSafeBase64Unescape(StringPiece src, string* dest); // Return the length to use for the output buffer given to the base64 escape // routines. Make sure to use the same value for do_padding in both. // This function may return incorrect results if given input_len values that // are extremely high, which should happen rarely. -LIBPROTOBUF_EXPORT int CalculateBase64EscapedLen(int input_len, - bool do_padding); +PROTOBUF_EXPORT int CalculateBase64EscapedLen(int input_len, bool do_padding); // Use this version when calling Base64Escape without a do_padding arg. -LIBPROTOBUF_EXPORT int CalculateBase64EscapedLen(int input_len); +PROTOBUF_EXPORT int CalculateBase64EscapedLen(int input_len); // ---------------------------------------------------------------------- // Base64Escape() @@ -834,23 +834,23 @@ LIBPROTOBUF_EXPORT int CalculateBase64EscapedLen(int input_len); // to escape them. It also has an extra parameter "do_padding", // which when set to false will prevent padding with "=". // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int Base64Escape(const unsigned char* src, int slen, - char* dest, int szdest); -LIBPROTOBUF_EXPORT int WebSafeBase64Escape( - const unsigned char* src, int slen, char* dest, - int szdest, bool do_padding); +PROTOBUF_EXPORT int Base64Escape(const unsigned char* src, int slen, char* dest, + int szdest); +PROTOBUF_EXPORT int WebSafeBase64Escape(const unsigned char* src, int slen, + char* dest, int szdest, + bool do_padding); // Encode src into dest with padding. -LIBPROTOBUF_EXPORT void Base64Escape(StringPiece src, string* dest); +PROTOBUF_EXPORT void Base64Escape(StringPiece src, string* dest); // Encode src into dest web-safely without padding. -LIBPROTOBUF_EXPORT void WebSafeBase64Escape(StringPiece src, string* dest); +PROTOBUF_EXPORT void WebSafeBase64Escape(StringPiece src, string* dest); // Encode src into dest web-safely with padding. -LIBPROTOBUF_EXPORT void WebSafeBase64EscapeWithPadding(StringPiece src, - string* dest); +PROTOBUF_EXPORT void WebSafeBase64EscapeWithPadding(StringPiece src, + string* dest); -LIBPROTOBUF_EXPORT void Base64Escape(const unsigned char* src, int szsrc, - string* dest, bool do_padding); -LIBPROTOBUF_EXPORT void WebSafeBase64Escape(const unsigned char* src, int szsrc, - string* dest, bool do_padding); +PROTOBUF_EXPORT void Base64Escape(const unsigned char* src, int szsrc, + string* dest, bool do_padding); +PROTOBUF_EXPORT void WebSafeBase64Escape(const unsigned char* src, int szsrc, + string* dest, bool do_padding); inline bool IsValidCodePoint(uint32 code_point) { return code_point < 0xD800 || @@ -864,15 +864,67 @@ static const int UTFmax = 4; // in any external dependencies. The output buffer must be as least 4 bytes // large. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int EncodeAsUTF8Char(uint32 code_point, char* output); +PROTOBUF_EXPORT int EncodeAsUTF8Char(uint32 code_point, char* output); // ---------------------------------------------------------------------- // UTF8FirstLetterNumBytes() // Length of the first UTF-8 character. // ---------------------------------------------------------------------- -LIBPROTOBUF_EXPORT int UTF8FirstLetterNumBytes(const char* src, int len); +PROTOBUF_EXPORT int UTF8FirstLetterNumBytes(const char* src, int len); + +// From google3/third_party/absl/strings/escaping.h + +// ---------------------------------------------------------------------- +// CleanStringLineEndings() +// Clean up a multi-line string to conform to Unix line endings. +// Reads from src and appends to dst, so usually dst should be empty. +// +// If there is no line ending at the end of a non-empty string, it can +// be added automatically. +// +// Four different types of input are correctly handled: +// +// - Unix/Linux files: line ending is LF: pass through unchanged +// +// - DOS/Windows files: line ending is CRLF: convert to LF +// +// - Legacy Mac files: line ending is CR: convert to LF +// +// - Garbled files: random line endings: convert gracefully +// lonely CR, lonely LF, CRLF: convert to LF +// +// @param src The multi-line string to convert +// @param dst The converted string is appended to this string +// @param auto_end_last_line Automatically terminate the last line +// +// Limitations: +// +// This does not do the right thing for CRCRLF files created by +// broken programs that do another Unix->DOS conversion on files +// that are already in CRLF format. For this, a two-pass approach +// brute-force would be needed that +// +// (1) determines the presence of LF (first one is ok) +// (2) if yes, removes any CR, else convert every CR to LF +PROTOBUF_EXPORT void CleanStringLineEndings(const string& src, string* dst, + bool auto_end_last_line); + +// Same as above, but transforms the argument in place. +PROTOBUF_EXPORT void CleanStringLineEndings(string* str, + bool auto_end_last_line); + +namespace strings { +inline bool EndsWith(StringPiece text, StringPiece suffix) { + return suffix.empty() || + (text.size() >= suffix.size() && + memcmp(text.data() + (text.size() - suffix.size()), suffix.data(), + suffix.size()) == 0); +} +} // namespace strings } // namespace protobuf } // namespace google +#include <google/protobuf/port_undef.inc> + #endif // GOOGLE_PROTOBUF_STUBS_STRUTIL_H__ |