mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-27 19:24:08 +00:00
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
|
|
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
|
|
#ifndef __UTF8_HH_INCLUDED__
|
|
#define __UTF8_HH_INCLUDED__
|
|
|
|
#include <cstdio>
|
|
#include <string>
|
|
#include "cpp_features.hh"
|
|
#include "ex.hh"
|
|
#include "wstring.hh"
|
|
|
|
/// A simple UTF-8 encoder/decoder. Some dictionary backends only require
|
|
/// utf8, so we have this separately, removing the iconv dependency for them.
|
|
/// Besides, utf8 is quite ubiquitous now, and its use is spreaded over many
|
|
/// places.
|
|
namespace Utf8 {
|
|
|
|
// Those are possible encodings for .dsl files
|
|
enum Encoding
|
|
{
|
|
Utf16LE,
|
|
Utf16BE,
|
|
Windows1252,
|
|
Windows1251,
|
|
Windows1250,
|
|
Utf8 // This is an extension. Detected solely by the UTF8 BOM.
|
|
};
|
|
|
|
using std::string;
|
|
using gd::wstring;
|
|
using gd::wchar;
|
|
|
|
DEF_EX_STR( exCantDecode, "Can't decode the given string from Utf8:", std::exception )
|
|
|
|
/// Encodes the given UCS-4 into UTF-8. The inSize specifies the number
|
|
/// of wide characters the 'in' pointer points to. The 'out' buffer must be
|
|
/// at least inSize * 4 bytes long. The function returns the number of chars
|
|
/// stored in the 'out' buffer. The result is not 0-terminated.
|
|
size_t encode( wchar const * in, size_t inSize, char * out );
|
|
/// Decodes the given UTF-8 into UCS-32. The inSize specifies the number
|
|
/// of bytes the 'in' pointer points to. The 'out' buffer must be at least
|
|
/// inSize wide characters long. If the given UTF-8 is invalid, the decode
|
|
/// function returns -1, otherwise it returns the number of wide characters
|
|
/// stored in the 'out' buffer. The result is not 0-terminated.
|
|
long decode( char const * in, size_t inSize, wchar * out );
|
|
|
|
/// Versions for non time-critical code.
|
|
string encode( wstring const & ) throw();
|
|
wstring decode( string const & ) ;
|
|
|
|
/// Since the standard isspace() is locale-specific, we need something
|
|
/// that would never mess up our utf8 input. The stock one worked fine under
|
|
/// Linux but was messing up strings under Windows.
|
|
bool isspace( int c );
|
|
|
|
//get the first line in string s1. -1 if not found
|
|
int findFirstLinePosition( char* s1,int s1length, const char* s2,int s2length);
|
|
char const* getEncodingNameFor(Encoding e);
|
|
|
|
struct LineFeed
|
|
{
|
|
int length;
|
|
char* lineFeed;
|
|
|
|
};
|
|
|
|
LineFeed initLineFeed(Encoding e);
|
|
}
|
|
|
|
#endif
|