diff options
Diffstat (limited to 'libxsde/xsde/cxx/parser/non-validating/integer.cxx')
-rw-r--r-- | libxsde/xsde/cxx/parser/non-validating/integer.cxx | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/parser/non-validating/integer.cxx b/libxsde/xsde/cxx/parser/non-validating/integer.cxx new file mode 100644 index 0000000..dbad0e6 --- /dev/null +++ b/libxsde/xsde/cxx/parser/non-validating/integer.cxx @@ -0,0 +1,50 @@ +// file : xsde/cxx/parser/non-validating/integer.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> // strtoul +#include <limits.h> // LONG_MIN, LONG_MAX + +#include <xsde/cxx/parser/non-validating/integer.hxx> + +namespace xsde +{ + namespace cxx + { + namespace parser + { + namespace non_validating + { + void integer_pimpl:: + _pre () + { + size_ = 0; + sign_ = none; + state_ = leading_ws; + } + + void integer_pimpl:: + _characters (const ro_string& s) + { + parse (s, str_, 20); + } + + long integer_pimpl:: + post_integer () + { + ro_string tmp (str_, size_); + size_t size = trim_right (tmp); + str_[size] = '\0'; + + unsigned long ul = strtoul (str_, 0, 10); + + return (sign_ == minus) + ? (ul == static_cast<unsigned long> (LONG_MIN) + ? LONG_MIN : -static_cast<long> (ul)) + : static_cast<long> (ul); + } + } + } + } +} |