xml_encoding.go

package golibxml

/*
#cgo pkg-config: libxml-2.0
#include <libxml/parser.h>

static inline void free_string(char* s) { free(s); }
static inline xmlChar *to_xmlcharptr(const char *s) { return (xmlChar *)s; }
static inline char *to_charptr(const xmlChar *s) { return (char *)s; }
*/
import "C"
import "unsafe"

////////////////////////////////////////////////////////////////////////////////
// TYPES/STRUCTS
////////////////////////////////////////////////////////////////////////////////

type Encoding int
const (
    XML_CHAR_ENCODING_ERROR Encoding = -1 //: No char encoding detected
    XML_CHAR_ENCODING_NONE = 0 //: No char encoding detected
    XML_CHAR_ENCODING_UTF8 = 1 //: UTF-8
    XML_CHAR_ENCODING_UTF16LE = 2 //: UTF-16 little endian
    XML_CHAR_ENCODING_UTF16BE = 3 //: UTF-16 big endian
    XML_CHAR_ENCODING_UCS4LE = 4 //: UCS-4 little endian
    XML_CHAR_ENCODING_UCS4BE = 5 //: UCS-4 big endian
    XML_CHAR_ENCODING_EBCDIC = 6 //: EBCDIC uh!
    XML_CHAR_ENCODING_UCS4_2143 = 7 //: UCS-4 unusual ordering
    XML_CHAR_ENCODING_UCS4_3412 = 8 //: UCS-4 unusual ordering
    XML_CHAR_ENCODING_UCS2 = 9 //: UCS-2
    XML_CHAR_ENCODING_8859_1 = 10 //: ISO-8859-1 ISO Latin 1
    XML_CHAR_ENCODING_8859_2 = 11 //: ISO-8859-2 ISO Latin 2
    XML_CHAR_ENCODING_8859_3 = 12 //: ISO-8859-3
    XML_CHAR_ENCODING_8859_4 = 13 //: ISO-8859-4
    XML_CHAR_ENCODING_8859_5 = 14 //: ISO-8859-5
    XML_CHAR_ENCODING_8859_6 = 15 //: ISO-8859-6
    XML_CHAR_ENCODING_8859_7 = 16 //: ISO-8859-7
    XML_CHAR_ENCODING_8859_8 = 17 //: ISO-8859-8
    XML_CHAR_ENCODING_8859_9 = 18 //: ISO-8859-9
    XML_CHAR_ENCODING_2022_JP = 19 //: ISO-2022-JP
    XML_CHAR_ENCODING_SHIFT_JIS = 20 //: Shift_JIS
    XML_CHAR_ENCODING_EUC_JP = 21 //: EUC-JP
    XML_CHAR_ENCODING_ASCII = 22 //: pure ASCII
)

////////////////////////////////////////////////////////////////////////////////
// INTERFACE
////////////////////////////////////////////////////////////////////////////////

// xmlDetectCharEncoding
func DetectCharEncoding(buffer[] byte) Encoding {
	ptr := (*C.uchar)(unsafe.Pointer(&buffer[0]))
	return Encoding(C.xmlDetectCharEncoding(ptr, C.int(len(buffer))))
}