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author | Anton Samokhvalov <pg83@yandex.ru> | 2022-02-10 16:45:15 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:15 +0300 |
commit | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch) | |
tree | da2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /library/cpp/string_utils/quote/quote.cpp | |
parent | 778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff) | |
download | ydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz |
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'library/cpp/string_utils/quote/quote.cpp')
-rw-r--r-- | library/cpp/string_utils/quote/quote.cpp | 178 |
1 files changed, 89 insertions, 89 deletions
diff --git a/library/cpp/string_utils/quote/quote.cpp b/library/cpp/string_utils/quote/quote.cpp index e523350b80..02bcfaa6e1 100644 --- a/library/cpp/string_utils/quote/quote.cpp +++ b/library/cpp/string_utils/quote/quote.cpp @@ -1,18 +1,18 @@ -#include "quote.h" - -#include <util/memory/tempbuf.h> +#include "quote.h" + +#include <util/memory/tempbuf.h> #include <util/string/ascii.h> #include <util/string/cstriter.h> -#include <cctype> - +#include <cctype> + /* note: (x & 0xdf) makes x upper case */ -#define GETXC \ - do { \ - c *= 16; \ - c += (x[0] >= 'A' ? ((x[0] & 0xdf) - 'A') + 10 : (x[0] - '0')); \ - ++x; \ - } while (0) +#define GETXC \ + do { \ + c *= 16; \ + c += (x[0] >= 'A' ? ((x[0] & 0xdf) - 'A') + 10 : (x[0] - '0')); \ + ++x; \ + } while (0) #define GETSBXC \ do { \ @@ -25,18 +25,18 @@ namespace { class TFromHexZeroTerm { public: - static inline char x2c(const char*& x) { - if (!IsAsciiHex((ui8)x[0]) || !IsAsciiHex((ui8)x[1])) + static inline char x2c(const char*& x) { + if (!IsAsciiHex((ui8)x[0]) || !IsAsciiHex((ui8)x[1])) return '%'; ui8 c = 0; - GETXC; - GETXC; + GETXC; + GETXC; return c; } - static inline char x2c(TStringBuf& x) { - if (!IsAsciiHex((ui8)x[0]) || !IsAsciiHex((ui8)x[1])) + static inline char x2c(TStringBuf& x) { + if (!IsAsciiHex((ui8)x[0]) || !IsAsciiHex((ui8)x[1])) return '%'; ui8 c = 0; @@ -53,7 +53,7 @@ namespace { { } - inline char x2c(const char*& x) { + inline char x2c(const char*& x) { if (x + 2 > End) return '%'; return TFromHexZeroTerm::x2c(x); @@ -64,80 +64,80 @@ namespace { }; } -static inline char d2x(unsigned x) { - return (char)((x < 10) ? ('0' + x) : ('A' + x - 10)); +static inline char d2x(unsigned x) { + return (char)((x < 10) ? ('0' + x) : ('A' + x - 10)); } static inline const char* FixZero(const char* s) noexcept { - return s ? s : ""; -} - + return s ? s : ""; +} + // we escape: -// '\"', '|', '(', ')', +// '\"', '|', '(', ')', // '%', '&', '+', ',', -// '#', '<', '=', '>', +// '#', '<', '=', '>', // '[', '\\',']', '?', // ':', '{', '}', // all below ' ' (0x20) and above '~' (0x7E). // ' ' converted to '+' static const bool chars_to_url_escape[256] = { - // 0 1 2 3 4 5 6 7 8 9 A B C D E F - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //0 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //1 - 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, //2 - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, //3 - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //4 - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, //5 - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //6 - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, //7 - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //8 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //9 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //A - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //B - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //C - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //D - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //E - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //F + // 0 1 2 3 4 5 6 7 8 9 A B C D E F + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //0 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //1 + 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, //2 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, //3 + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //4 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, //5 + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //6 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, //7 + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //8 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //9 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //A + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //B + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //C + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //D + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //E + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, //F }; -template <class It1, class It2, class It3> -static inline It1 Escape(It1 to, It2 from, It3 end, const bool* escape_map = chars_to_url_escape) { - while (from != end) { +template <class It1, class It2, class It3> +static inline It1 Escape(It1 to, It2 from, It3 end, const bool* escape_map = chars_to_url_escape) { + while (from != end) { if (escape_map[(unsigned char)*from]) { *to++ = '%'; - *to++ = d2x((unsigned char)*from >> 4); - *to++ = d2x((unsigned char)*from & 0xF); + *to++ = d2x((unsigned char)*from >> 4); + *to++ = d2x((unsigned char)*from & 0xF); } else { *to++ = (*from == ' ' ? '+' : *from); } - + ++from; } - + *to = 0; - + return to; } template <class It1, class It2, class It3, class FromHex> static inline It1 Unescape(It1 to, It2 from, It3 end, FromHex fromHex) { - (void)fromHex; - + (void)fromHex; + while (from != end) { switch (*from) { - case '%': + case '%': ++from; - *to++ = fromHex.x2c(from); - break; - case '+': - *to++ = ' '; + *to++ = fromHex.x2c(from); + break; + case '+': + *to++ = ' '; ++from; - break; - default: - *to++ = *from++; + break; + default: + *to++ = *from++; } } *to = 0; @@ -147,18 +147,18 @@ static inline It1 Unescape(It1 to, It2 from, It3 end, FromHex fromHex) { // CGIEscape returns pointer to the end of the result string // so as it could be possible to populate single long buffer // with several calls to CGIEscape in a row. -char* CGIEscape(char* to, const char* from) { - return Escape(to, FixZero(from), TCStringEndIterator()); -} - -char* CGIEscape(char* to, const char* from, size_t len) { - return Escape(to, from, from + len); +char* CGIEscape(char* to, const char* from) { + return Escape(to, FixZero(from), TCStringEndIterator()); } +char* CGIEscape(char* to, const char* from, size_t len) { + return Escape(to, from, from + len); +} + void CGIEscape(TString& url) { TTempBuf tempBuf(CgiEscapeBufLen(url.size())); - char* to = tempBuf.Data(); - + char* to = tempBuf.Data(); + url.AssignNoAlias(to, CGIEscape(to, url.data(), url.size())); } @@ -178,7 +178,7 @@ TString& AppendCgiEscaped(const TStringBuf value, TString& to) { // More general version of CGIEscape. The optional safe parameter specifies // additional characters that should not be quoted — its default value is '/'. - + // Also returns pointer to the end of result string. template <class It1, class It2, class It3> @@ -210,14 +210,14 @@ char* Quote(char* to, const TStringBuf s, const char* safe) { void Quote(TString& url, const char* safe) { TTempBuf tempBuf(CgiEscapeBufLen(url.size())); char* to = tempBuf.Data(); - + url.AssignNoAlias(to, Quote(to, url, safe)); } -char* CGIUnescape(char* to, const char* from) { +char* CGIUnescape(char* to, const char* from) { return Unescape(to, FixZero(from), TCStringEndIterator(), TFromHexZeroTerm()); } - + char* CGIUnescape(char* to, const char* from, size_t len) { return Unescape(to, from, from + len, TFromHexLenLimited(from + len)); } @@ -250,10 +250,10 @@ char* UrlUnescape(char* to, TStringBuf from) { ch = TFromHexZeroTerm::x2c(from); *to++ = ch; } - + *to = 0; - - return to; + + return to; } void UrlUnescape(TString& url) { @@ -277,29 +277,29 @@ TString UrlUnescapeRet(const TStringBuf from) { } char* UrlEscape(char* to, const char* from, bool forceEscape) { - from = FixZero(from); - - while (*from) { + from = FixZero(from); + + while (*from) { const bool escapePercent = (*from == '%') && (forceEscape || !((*(from + 1) && IsAsciiHex(*(from + 1)) && *(from + 2) && IsAsciiHex(*(from + 2))))); if (escapePercent || (unsigned char)*from <= ' ' || (unsigned char)*from > '~') { - *to++ = '%'; - *to++ = d2x((unsigned char)*from >> 4); - *to++ = d2x((unsigned char)*from & 0xF); - } else + *to++ = '%'; + *to++ = d2x((unsigned char)*from >> 4); + *to++ = d2x((unsigned char)*from & 0xF); + } else *to++ = *from; ++from; } - + *to = 0; - - return to; + + return to; } void UrlEscape(TString& url, bool forceEscape) { TTempBuf tempBuf(CgiEscapeBufLen(url.size())); - char* to = tempBuf.Data(); + char* to = tempBuf.Data(); url.AssignNoAlias(to, UrlEscape(to, url.data(), forceEscape)); } |