/*
 *    XMLLite private things
 *
 * Copyright 2012 Nikolay Sivov for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __XMLLITE_PRIVATE__
#define __XMLLITE_PRIVATE__

static inline void *m_alloc(IMalloc *imalloc, size_t len)
{
    if (imalloc)
        return IMalloc_Alloc(imalloc, len);
    else
        return malloc(len);
}

static inline void *m_realloc(IMalloc *imalloc, void *mem, size_t len)
{
    if (imalloc)
        return IMalloc_Realloc(imalloc, mem, len);
    else
        return realloc(mem, len);
}

static inline void m_free(IMalloc *imalloc, void *mem)
{
    if (imalloc)
        IMalloc_Free(imalloc, mem);
    else
        free(mem);
}

typedef enum
{
    XmlEncoding_USASCII,
    XmlEncoding_UTF16,
    XmlEncoding_UTF8,
    XmlEncoding_Unknown
} xml_encoding;

xml_encoding parse_encoding_name(const WCHAR*,int) DECLSPEC_HIDDEN;
HRESULT get_code_page(xml_encoding,UINT*) DECLSPEC_HIDDEN;
const WCHAR *get_encoding_name(xml_encoding) DECLSPEC_HIDDEN;
xml_encoding get_encoding_from_codepage(UINT) DECLSPEC_HIDDEN;

BOOL is_ncnamechar(WCHAR ch) DECLSPEC_HIDDEN;
BOOL is_pubchar(WCHAR ch) DECLSPEC_HIDDEN;
BOOL is_namestartchar(WCHAR ch) DECLSPEC_HIDDEN;
BOOL is_namechar(WCHAR ch) DECLSPEC_HIDDEN;

/* [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] */
static inline BOOL is_char(WCHAR ch)
{
    return (ch == '\t') || (ch == '\r') || (ch == '\n') ||
           (ch >= 0x20 && ch <= 0xd7ff) ||
           (ch >= 0xd800 && ch <= 0xdbff) || /* high surrogate */
           (ch >= 0xdc00 && ch <= 0xdfff) || /* low surrogate */
           (ch >= 0xe000 && ch <= 0xfffd);
}

/* [3] S ::= (#x20 | #x9 | #xD | #xA)+ */
static inline BOOL is_wchar_space(WCHAR ch)
{
    return ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n';
}

#endif /* __XMLLITE_PRIVATE__ */