| Index: third_party/libc++/src/regex.cpp
|
| ===================================================================
|
| --- third_party/libc++/src/regex.cpp (revision 0)
|
| +++ third_party/libc++/src/regex.cpp (revision 0)
|
| @@ -0,0 +1,325 @@
|
| +//===-------------------------- regex.cpp ---------------------------------===//
|
| +//
|
| +// The LLVM Compiler Infrastructure
|
| +//
|
| +// This file is dual licensed under the MIT and the University of Illinois Open
|
| +// Source Licenses. See LICENSE.TXT for details.
|
| +//
|
| +//===----------------------------------------------------------------------===//
|
| +
|
| +#include "regex"
|
| +#include "algorithm"
|
| +#include "iterator"
|
| +
|
| +_LIBCPP_BEGIN_NAMESPACE_STD
|
| +
|
| +static
|
| +const char*
|
| +make_error_type_string(regex_constants::error_type ecode)
|
| +{
|
| + switch (ecode)
|
| + {
|
| + case regex_constants::error_collate:
|
| + return "The expression contained an invalid collating element name.";
|
| + case regex_constants::error_ctype:
|
| + return "The expression contained an invalid character class name.";
|
| + case regex_constants::error_escape:
|
| + return "The expression contained an invalid escaped character, or a "
|
| + "trailing escape.";
|
| + case regex_constants::error_backref:
|
| + return "The expression contained an invalid back reference.";
|
| + case regex_constants::error_brack:
|
| + return "The expression contained mismatched [ and ].";
|
| + case regex_constants::error_paren:
|
| + return "The expression contained mismatched ( and ).";
|
| + case regex_constants::error_brace:
|
| + return "The expression contained mismatched { and }.";
|
| + case regex_constants::error_badbrace:
|
| + return "The expression contained an invalid range in a {} expression.";
|
| + case regex_constants::error_range:
|
| + return "The expression contained an invalid character range, "
|
| + "such as [b-a] in most encodings.";
|
| + case regex_constants::error_space:
|
| + return "There was insufficient memory to convert the expression into "
|
| + "a finite state machine.";
|
| + case regex_constants::error_badrepeat:
|
| + return "One of *?+{ was not preceded by a valid regular expression.";
|
| + case regex_constants::error_complexity:
|
| + return "The complexity of an attempted match against a regular "
|
| + "expression exceeded a pre-set level.";
|
| + case regex_constants::error_stack:
|
| + return "There was insufficient memory to determine whether the regular "
|
| + "expression could match the specified character sequence.";
|
| + case regex_constants::__re_err_grammar:
|
| + return "An invalid regex grammar has been requested.";
|
| + case regex_constants::__re_err_empty:
|
| + return "An empty regex is not allowed in the POSIX grammar.";
|
| + default:
|
| + break;
|
| + }
|
| + return "Unknown error type";
|
| +}
|
| +
|
| +regex_error::regex_error(regex_constants::error_type ecode)
|
| + : runtime_error(make_error_type_string(ecode)),
|
| + __code_(ecode)
|
| +{}
|
| +
|
| +regex_error::~regex_error() throw() {}
|
| +
|
| +namespace {
|
| +
|
| +#pragma clang diagnostic push
|
| +#pragma clang diagnostic ignored "-Wpadded"
|
| +
|
| +struct collationnames
|
| +{
|
| + const char* elem_;
|
| + char char_;
|
| +};
|
| +
|
| +#pragma clang diagnostic pop
|
| +
|
| +const collationnames collatenames[] =
|
| +{
|
| + {"A", 0x41},
|
| + {"B", 0x42},
|
| + {"C", 0x43},
|
| + {"D", 0x44},
|
| + {"E", 0x45},
|
| + {"F", 0x46},
|
| + {"G", 0x47},
|
| + {"H", 0x48},
|
| + {"I", 0x49},
|
| + {"J", 0x4a},
|
| + {"K", 0x4b},
|
| + {"L", 0x4c},
|
| + {"M", 0x4d},
|
| + {"N", 0x4e},
|
| + {"NUL", 0x00},
|
| + {"O", 0x4f},
|
| + {"P", 0x50},
|
| + {"Q", 0x51},
|
| + {"R", 0x52},
|
| + {"S", 0x53},
|
| + {"T", 0x54},
|
| + {"U", 0x55},
|
| + {"V", 0x56},
|
| + {"W", 0x57},
|
| + {"X", 0x58},
|
| + {"Y", 0x59},
|
| + {"Z", 0x5a},
|
| + {"a", 0x61},
|
| + {"alert", 0x07},
|
| + {"ampersand", 0x26},
|
| + {"apostrophe", 0x27},
|
| + {"asterisk", 0x2a},
|
| + {"b", 0x62},
|
| + {"backslash", 0x5c},
|
| + {"backspace", 0x08},
|
| + {"c", 0x63},
|
| + {"carriage-return", 0x0d},
|
| + {"circumflex", 0x5e},
|
| + {"circumflex-accent", 0x5e},
|
| + {"colon", 0x3a},
|
| + {"comma", 0x2c},
|
| + {"commercial-at", 0x40},
|
| + {"d", 0x64},
|
| + {"dollar-sign", 0x24},
|
| + {"e", 0x65},
|
| + {"eight", 0x38},
|
| + {"equals-sign", 0x3d},
|
| + {"exclamation-mark", 0x21},
|
| + {"f", 0x66},
|
| + {"five", 0x35},
|
| + {"form-feed", 0x0c},
|
| + {"four", 0x34},
|
| + {"full-stop", 0x2e},
|
| + {"g", 0x67},
|
| + {"grave-accent", 0x60},
|
| + {"greater-than-sign", 0x3e},
|
| + {"h", 0x68},
|
| + {"hyphen", 0x2d},
|
| + {"hyphen-minus", 0x2d},
|
| + {"i", 0x69},
|
| + {"j", 0x6a},
|
| + {"k", 0x6b},
|
| + {"l", 0x6c},
|
| + {"left-brace", 0x7b},
|
| + {"left-curly-bracket", 0x7b},
|
| + {"left-parenthesis", 0x28},
|
| + {"left-square-bracket", 0x5b},
|
| + {"less-than-sign", 0x3c},
|
| + {"low-line", 0x5f},
|
| + {"m", 0x6d},
|
| + {"n", 0x6e},
|
| + {"newline", 0x0a},
|
| + {"nine", 0x39},
|
| + {"number-sign", 0x23},
|
| + {"o", 0x6f},
|
| + {"one", 0x31},
|
| + {"p", 0x70},
|
| + {"percent-sign", 0x25},
|
| + {"period", 0x2e},
|
| + {"plus-sign", 0x2b},
|
| + {"q", 0x71},
|
| + {"question-mark", 0x3f},
|
| + {"quotation-mark", 0x22},
|
| + {"r", 0x72},
|
| + {"reverse-solidus", 0x5c},
|
| + {"right-brace", 0x7d},
|
| + {"right-curly-bracket", 0x7d},
|
| + {"right-parenthesis", 0x29},
|
| + {"right-square-bracket", 0x5d},
|
| + {"s", 0x73},
|
| + {"semicolon", 0x3b},
|
| + {"seven", 0x37},
|
| + {"six", 0x36},
|
| + {"slash", 0x2f},
|
| + {"solidus", 0x2f},
|
| + {"space", 0x20},
|
| + {"t", 0x74},
|
| + {"tab", 0x09},
|
| + {"three", 0x33},
|
| + {"tilde", 0x7e},
|
| + {"two", 0x32},
|
| + {"u", 0x75},
|
| + {"underscore", 0x5f},
|
| + {"v", 0x76},
|
| + {"vertical-line", 0x7c},
|
| + {"vertical-tab", 0x0b},
|
| + {"w", 0x77},
|
| + {"x", 0x78},
|
| + {"y", 0x79},
|
| + {"z", 0x7a},
|
| + {"zero", 0x30}
|
| +};
|
| +
|
| +#pragma clang diagnostic push
|
| +#pragma clang diagnostic ignored "-Wpadded"
|
| +
|
| +struct classnames
|
| +{
|
| + const char* elem_;
|
| + ctype_base::mask mask_;
|
| +};
|
| +
|
| +#pragma clang diagnostic pop
|
| +
|
| +const classnames ClassNames[] =
|
| +{
|
| + {"alnum", ctype_base::alnum},
|
| + {"alpha", ctype_base::alpha},
|
| + {"blank", ctype_base::blank},
|
| + {"cntrl", ctype_base::cntrl},
|
| + {"d", ctype_base::digit},
|
| + {"digit", ctype_base::digit},
|
| + {"graph", ctype_base::graph},
|
| + {"lower", ctype_base::lower},
|
| + {"print", ctype_base::print},
|
| + {"punct", ctype_base::punct},
|
| + {"s", ctype_base::space},
|
| + {"space", ctype_base::space},
|
| + {"upper", ctype_base::upper},
|
| + {"w", regex_traits<char>::__regex_word},
|
| + {"xdigit", ctype_base::xdigit}
|
| +};
|
| +
|
| +struct use_strcmp
|
| +{
|
| + bool operator()(const collationnames& x, const char* y)
|
| + {return strcmp(x.elem_, y) < 0;}
|
| + bool operator()(const classnames& x, const char* y)
|
| + {return strcmp(x.elem_, y) < 0;}
|
| +};
|
| +
|
| +}
|
| +
|
| +string
|
| +__get_collation_name(const char* s)
|
| +{
|
| + const collationnames* i =
|
| + _VSTD::lower_bound(begin(collatenames), end(collatenames), s, use_strcmp());
|
| + string r;
|
| + if (i != end(collatenames) && strcmp(s, i->elem_) == 0)
|
| + r = char(i->char_);
|
| + return r;
|
| +}
|
| +
|
| +ctype_base::mask
|
| +__get_classname(const char* s, bool __icase)
|
| +{
|
| + const classnames* i =
|
| + _VSTD::lower_bound(begin(ClassNames), end(ClassNames), s, use_strcmp());
|
| + ctype_base::mask r = 0;
|
| + if (i != end(ClassNames) && strcmp(s, i->elem_) == 0)
|
| + {
|
| + r = i->mask_;
|
| + if (r == regex_traits<char>::__regex_word)
|
| + r |= ctype_base::alnum | ctype_base::upper | ctype_base::lower;
|
| + else if (__icase)
|
| + {
|
| + if (r & (ctype_base::lower | ctype_base::upper))
|
| + r |= ctype_base::alpha;
|
| + }
|
| + }
|
| + return r;
|
| +}
|
| +
|
| +template <>
|
| +void
|
| +__match_any_but_newline<char>::__exec(__state& __s) const
|
| +{
|
| + if (__s.__current_ != __s.__last_)
|
| + {
|
| + switch (*__s.__current_)
|
| + {
|
| + case '\r':
|
| + case '\n':
|
| + __s.__do_ = __state::__reject;
|
| + __s.__node_ = nullptr;
|
| + break;
|
| + default:
|
| + __s.__do_ = __state::__accept_and_consume;
|
| + ++__s.__current_;
|
| + __s.__node_ = this->first();
|
| + break;
|
| + }
|
| + }
|
| + else
|
| + {
|
| + __s.__do_ = __state::__reject;
|
| + __s.__node_ = nullptr;
|
| + }
|
| +}
|
| +
|
| +template <>
|
| +void
|
| +__match_any_but_newline<wchar_t>::__exec(__state& __s) const
|
| +{
|
| + if (__s.__current_ != __s.__last_)
|
| + {
|
| + switch (*__s.__current_)
|
| + {
|
| + case '\r':
|
| + case '\n':
|
| + case 0x2028:
|
| + case 0x2029:
|
| + __s.__do_ = __state::__reject;
|
| + __s.__node_ = nullptr;
|
| + break;
|
| + default:
|
| + __s.__do_ = __state::__accept_and_consume;
|
| + ++__s.__current_;
|
| + __s.__node_ = this->first();
|
| + break;
|
| + }
|
| + }
|
| + else
|
| + {
|
| + __s.__do_ = __state::__reject;
|
| + __s.__node_ = nullptr;
|
| + }
|
| +}
|
| +
|
| +_LIBCPP_END_NAMESPACE_STD
|
|
|
| Property changes on: third_party/libc++/src/regex.cpp
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|