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-rw-r--r--libxsde/xsde/cxx/parser/validating/double.cxx99
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diff --git a/libxsde/xsde/cxx/parser/validating/double.cxx b/libxsde/xsde/cxx/parser/validating/double.cxx
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+// file : xsde/cxx/parser/validating/double.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <stdlib.h> // strtod
+
+#include <xsde/cxx/errno.hxx>
+
+#include <xsde/cxx/parser/validating/double.hxx>
+
+namespace xsde
+{
+ namespace cxx
+ {
+ namespace parser
+ {
+ namespace validating
+ {
+ void double_pimpl::
+ _pre ()
+ {
+ size_ = 0;
+ sign_ = none;
+ state_ = leading_ws;
+ }
+
+ void double_pimpl::
+ _characters (const ro_string& s)
+ {
+ if (!parse (s, str_, 127))
+ _schema_error (schema_error::invalid_double_value);
+ }
+
+ void double_pimpl::
+ _post ()
+ {
+ ro_string tmp (str_, size_);
+ size_t size = trim_right (tmp);
+
+ if (size != 0 && tmp[0] != '-' && tmp[0] != '+')
+ {
+ str_[size] = '\0';
+
+ if (tmp == "INF")
+ {
+ switch (sign_)
+ {
+ case none:
+ {
+ value_ = strtod ("INF", 0);
+ break;
+ }
+ case plus:
+ {
+ _schema_error (schema_error::invalid_double_value);
+ break;
+ }
+ case minus:
+ {
+ value_ = strtod ("-INF", 0);
+ break;
+ }
+ }
+ }
+ else if (tmp == "NaN")
+ {
+ if (sign_ == none)
+ value_ = strtod ("NAN", 0);
+ else
+ _schema_error (schema_error::invalid_double_value);
+
+ }
+ else
+ {
+ char* p;
+ set_errno (0);
+ value_ = strtod (str_, &p);
+
+ if (*p != '\0' || get_errno () != 0)
+ _schema_error (schema_error::invalid_double_value);
+
+ if (sign_ == minus)
+ value_ = -value_;
+ }
+ }
+ else
+ _schema_error (schema_error::invalid_double_value);
+ }
+
+ double double_pimpl::
+ post_double ()
+ {
+ return value_;
+ }
+ }
+ }
+ }
+}