Finished [re.traits]. I'd like to acknowledge the help of Bjorn Reese with <regex>.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@106478 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -11,7 +11,6 @@
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#include "algorithm"
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#include "iterator"
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_LIBCPP_BEGIN_NAMESPACE_STD
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static
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@@ -180,10 +179,37 @@ const collationnames collatenames[] =
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{"zero", 0x30}
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};
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struct classnames
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{
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const char* elem_;
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ctype_base::mask mask_;
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};
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const classnames ClassNames[] =
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{
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{"alnum", ctype_base::alnum},
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{"alpha", ctype_base::alpha},
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{"blank", ctype_base::blank},
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{"cntrl", ctype_base::cntrl},
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{"d", ctype_base::digit},
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{"digit", ctype_base::digit},
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{"graph", ctype_base::graph},
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{"lower", ctype_base::lower},
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{"print", ctype_base::print},
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{"punct", ctype_base::punct},
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{"s", ctype_base::space},
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{"space", ctype_base::space},
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{"upper", ctype_base::upper},
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{"w", regex_traits<char>::__regex_word},
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{"xdigit", ctype_base::xdigit}
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};
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struct use_strcmp
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{
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bool operator()(const collationnames& x, const char* y)
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{return strcmp(x.elem_, y) < 0;}
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bool operator()(const classnames& x, const char* y)
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{return strcmp(x.elem_, y) < 0;}
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};
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}
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@@ -191,7 +217,6 @@ struct use_strcmp
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string
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__get_collation_name(const char* s)
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{
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typedef std::pair<collationnames*, collationnames*> P;
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const collationnames* i =
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lower_bound(begin(collatenames), end(collatenames), s, use_strcmp());
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string r;
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@@ -200,4 +225,24 @@ __get_collation_name(const char* s)
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return r;
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}
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ctype_base::mask
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__get_classname(const char* s, bool __icase)
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{
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const classnames* i =
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lower_bound(begin(ClassNames), end(ClassNames), s, use_strcmp());
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ctype_base::mask r = 0;
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if (i != end(ClassNames) && strcmp(s, i->elem_) == 0)
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{
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r = i->mask_;
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if (r == regex_traits<char>::__regex_word)
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r |= ctype_base::alnum | ctype_base::upper | ctype_base::lower;
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else if (__icase)
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{
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if (r & (ctype_base::lower | ctype_base::upper))
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r |= ctype_base::alpha;
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}
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}
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return r;
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}
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_LIBCPP_END_NAMESPACE_STD
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