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author | Ruslan Kovalev <ruslan.a.kovalev@gmail.com> | 2022-02-10 16:46:45 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:45 +0300 |
commit | 9123176b341b6f2658cff5132482b8237c1416c8 (patch) | |
tree | 49e222ea1c5804306084bb3ae065bb702625360f /library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h | |
parent | 59e19371de37995fcb36beb16cd6ec030af960bc (diff) | |
download | ydb-9123176b341b6f2658cff5132482b8237c1416c8.tar.gz |
Restoring authorship annotation for Ruslan Kovalev <ruslan.a.kovalev@gmail.com>. Commit 2 of 2.
Diffstat (limited to 'library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h')
-rw-r--r-- | library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h index 97d2a48fd0..d7ea7c1259 100644 --- a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h +++ b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h @@ -1,14 +1,14 @@ -#pragma once - -#include <util/stream/output.h> -#include <util/string/escape.h> +#pragma once + +#include <util/stream/output.h> +#include <util/string/escape.h> #include <util/memory/tempbuf.h> #include <util/generic/strbuf.h> - -namespace NEscJ { + +namespace NEscJ { // almost copypaste from util/string/escape.h // todo: move there (note difference in IsPrintable and handling of string) - + inline char HexDigit(char value) { if (value < 10) return '0' + value; @@ -17,32 +17,32 @@ namespace NEscJ { } inline char OctDigit(char value) { - return '0' + value; + return '0' + value; } - + inline bool IsUTF8(ui8 c) { return c < 0xf5 && c != 0xC0 && c != 0xC1; } - + inline bool IsControl(ui8 c) { return c < 0x20 || c == 0x7f; } - + inline bool IsPrintable(ui8 c) { return IsUTF8(c) && !IsControl(c); } - + inline bool IsHexDigit(ui8 c) { return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'); } - + inline bool IsOctDigit(ui8 c) { return c >= '0' && c <= '7'; } - + struct TEscapeUtil { static const size_t ESCAPE_C_BUFFER_SIZE = 6; - + template <bool asunicode> static inline size_t EscapeJ(ui8 c, ui8 next, char r[ESCAPE_C_BUFFER_SIZE], TStringBuf safe, TStringBuf unsafe) { // (1) Printable characters go as-is, except backslash and double quote. @@ -109,88 +109,88 @@ namespace NEscJ { return 4; } } - + static inline size_t EscapeJ(ui8 c, ui8 next, char r[ESCAPE_C_BUFFER_SIZE], TStringBuf safe, TStringBuf unsafe) { return EscapeJ<false>(c, next, r, safe, unsafe); - } + } }; inline size_t SuggestBuffer(size_t len) { return len * TEscapeUtil::ESCAPE_C_BUFFER_SIZE; } - + template <bool tounicode> inline size_t EscapeJ(const char* str, size_t len, char* out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { char* out0 = out; char buffer[TEscapeUtil::ESCAPE_C_BUFFER_SIZE]; - + size_t i, j; for (i = 0, j = 0; i < len; ++i) { size_t rlen = TEscapeUtil::EscapeJ<tounicode>(str[i], (i + 1 < len ? str[i + 1] : 0), buffer, safe, unsafe); - + if (rlen > 1) { strncpy(out, str + j, i - j); out += i - j; j = i + 1; - + strncpy(out, buffer, rlen); out += rlen; } } - + if (j > 0) { strncpy(out, str + j, len - j); out += len - j; } else { strncpy(out, str, len); out += len; - } - + } + return out - out0; - } - + } + template <bool quote, bool tounicode> inline void EscapeJ(TStringBuf in, IOutputStream& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { TTempBuf b(SuggestBuffer(in.size()) + 2); - + if (quote) b.Append("\"", 1); - + b.Proceed(EscapeJ<tounicode>(in.data(), in.size(), b.Current(), safe, unsafe)); - + if (quote) b.Append("\"", 1); - + out.Write(b.Data(), b.Filled()); } - + template <bool quote, bool tounicode> inline void EscapeJ(TStringBuf in, TString& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { TTempBuf b(SuggestBuffer(in.size()) + 2); - + if (quote) b.Append("\"", 1); - + b.Proceed(EscapeJ<tounicode>(in.data(), in.size(), b.Current(), safe, unsafe)); - + if (quote) b.Append("\"", 1); - + out.append(b.Data(), b.Filled()); } - + template <bool quote, bool tounicode> inline TString EscapeJ(TStringBuf in, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { TString s; EscapeJ<quote, tounicode>(in, s, safe, unsafe); return s; } - + // If the template parameter "tounicode" is ommited, then use the default value false inline size_t EscapeJ(const char* str, size_t len, char* out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { return EscapeJ<false>(str, len, out, safe, unsafe); } - + template <bool quote> inline void EscapeJ(TStringBuf in, IOutputStream& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { EscapeJ<quote, false>(in, out, safe, unsafe); |