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improve mapped_file iterators

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This commit is contained in:
Kelvin Sherlock 2016-02-02 16:20:45 -05:00
parent 475bd392ad
commit 44b42e4fe4
1 changed files with 30 additions and 13 deletions
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43
mapped_file.h
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@ -65,9 +65,13 @@ class mapped_file : public mapped_file_base {
public:
typedef char *iterator;
typedef const char *const_iterator;
typedef unsigned char value_type;
typedef value_type *iterator;
typedef const value_type *const_iterator;
typedef value_type &reference ;
typedef const value_type &const_reference;
mapped_file() = default;
@ -87,25 +91,38 @@ public:
}
const char *const_data() const {
return (const char *)_data;
const value_type *data() const {
return (const value_type *)_data;
}
const_iterator const_begin() const {
return const_data();
}
const_iterator const_end() const {
return const_data() + size();
value_type *data() {
return _flags == readonly ? (value_type *)nullptr : (value_type *)_data;
}
char *data() const {
return _flags == readonly ? (char *)nullptr : (char *)_data;
const_iterator cbegin() const {
return data();
}
iterator begin() const {
const_iterator cend() const {
return data() + size();
}
const_iterator begin() const {
return cbegin();
}
const_iterator end() const {
return cend();
}
iterator begin() {
return _flags == readonly ? (iterator)nullptr : (iterator)_data;
}
iterator end() const {
iterator end() {
return _flags == readonly ? (iterator)nullptr : (iterator)_data + size();
}