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Clean API

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This commit is contained in:
Victor Zverovich
2018-01-14 14:15:59 -08:00
parent 9a53a706fc
commit c2fecb9b2a
9 changed files with 91 additions and 95 deletions
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56
include/fmt/core.h
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@@ -11,6 +11,7 @@
#include <cassert>
#include <cstdio>
#include <cstring>
#include <iterator>
#include <string>
#include <type_traits>
@@ -265,6 +266,25 @@ class basic_buffer {
const T &operator[](std::size_t index) const { return ptr_[index]; }
};
using buffer = internal::basic_buffer<char>;
using wbuffer = internal::basic_buffer<wchar_t>;
template <typename Container>
class container_buffer
: public internal::basic_buffer<typename Container::value_type> {
private:
Container &container_;
protected:
virtual void grow(std::size_t capacity) {
container_.resize(capacity);
this->set(&container_[0], capacity);
}
public:
explicit container_buffer(Container &c) : container_(c) {}
};
// A helper function to suppress bogus "conditional expression is constant"
// warnings.
template <typename T>
@@ -875,11 +895,8 @@ class basic_context :
format_arg get_arg(basic_string_view<char_type> name);
};
using buffer = internal::basic_buffer<char>;
using wbuffer = internal::basic_buffer<wchar_t>;
using context = basic_context<internal::dynamic_range<buffer>>;
using wcontext = basic_context<internal::dynamic_range<wbuffer>>;
using context = basic_context<internal::dynamic_range<internal::buffer>>;
using wcontext = basic_context<internal::dynamic_range<internal::wbuffer>>;
template <typename Context, typename ...Args>
class arg_store {
@@ -1060,19 +1077,24 @@ inline void print_colored(Color c, string_view format_str,
vprint_colored(c, format_str, make_args(args...));
}
void vformat_to(buffer &buf, string_view format_str, format_args args);
void vformat_to(wbuffer &buf, wstring_view format_str, wformat_args args);
void vformat_to(internal::buffer &buf, string_view format_str,
format_args args);
void vformat_to(internal::wbuffer &buf, wstring_view format_str,
wformat_args args);
template <typename... Args>
inline void format_to(buffer &buf, string_view format_str,
const Args & ... args) {
vformat_to(buf, format_str, make_args(args...));
}
template <typename... Args>
inline void format_to(wbuffer &buf, wstring_view format_str,
const Args & ... args) {
vformat_to(buf, format_str, make_args<wcontext>(args...));
/**
Formats a string and writes the output to out.
*/
template <typename Container>
void vformat_to(std::back_insert_iterator<Container> out,
string_view format_str, format_args args) {
using iterator = std::back_insert_iterator<Container>;
struct container_accessor : iterator {
container_accessor(iterator it) : iterator(it) {}
using iterator::container;
} accessor(out);
internal::container_buffer<Container> buf(*accessor.container);
vformat_to(buf, format_str, args);
}
std::string vformat(string_view format_str, format_args args);