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Introduce encoding::type

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This wraps charset, byte order mark, and newline character(s).
This commit is contained in:
Allan Odgaard
2012-08-26 14:44:35 +02:00
parent b0c2b69a3d
commit b0250f94b4
1 changed files with 26 additions and 0 deletions
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26
Frameworks/file/src/encoding.h
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@@ -2,6 +2,7 @@
#define FILE_ENCODING_H_CM7CPD1M
#include "bytes.h"
#include <oak/oak.h>
PUBLIC extern std::string const kCharsetNoEncoding;
PUBLIC extern std::string const kCharsetASCII;
@@ -16,6 +17,31 @@ namespace encoding
{
PUBLIC io::bytes_ptr convert (io::bytes_ptr content, std::string const& from, std::string const& to);
struct type
{
type () { }
type (std::string const& newlines, std::string const& charset, bool byte_order_mark) : _newlines(newlines), _charset(charset), _byte_order_mark(byte_order_mark) { }
std::string const& newlines () const { return _newlines; }
std::string const& charset () const { return _charset; }
bool byte_order_mark () const { return _byte_order_mark && supports_byte_order_mark(_charset); }
void set_newlines (std::string const& newlines) { _newlines = newlines; }
void set_charset (std::string const& charset) { _charset = charset; _byte_order_mark = charset != kCharsetUTF8 && supports_byte_order_mark(charset); }
void set_byte_order_mark (bool flag) { _byte_order_mark = flag; }
static bool supports_byte_order_mark (std::string const& charset)
{
static std::string const Encodings[] = { kCharsetUTF8, kCharsetUTF16BE, kCharsetUTF16LE, kCharsetUTF32BE, kCharsetUTF32LE };
return oak::contains(beginof(Encodings), endof(Encodings), charset);
}
private:
std::string _newlines = NULL_STR;
std::string _charset = kCharsetNoEncoding;
bool _byte_order_mark = false;
};
} /* encoding */
#endif /* end of include guard: FILE_ENCODING_H_CM7CPD1M */