diff --git a/include/h2/cmn/utf16.h b/include/h2/cmn/utf16.h
new file mode 100644
index 0000000..09164e6
--- /dev/null
+++ b/include/h2/cmn/utf16.h
@@ -0,0 +1,103 @@
+/*
+ * $Id$
+ *
+ Copyright 2006-2014 Chung, Hyung-Hwan.
+ This file is part of H2.
+
+ H2 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 3 of
+ the License, or (at your option) any later version.
+
+ H2 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 H2. If not, see .
+ */
+
+#ifndef _H2_CMN_UTF16_H_
+#define _H2_CMN_UTF16_H_
+
+#include
+#include
+
+/** \file
+ * This file provides functions, types, macros for utf16 conversion.
+ */
+
+/**
+ * The H2_UTF16LEN_MAX macro defines the maximum number of qse_wchar_t
+ * needed to form a single unicode character.
+ */
+#define H2_UTF16LEN_MAX (H2_SIZEOF_WXCHAR_T / H2_SIZEOF_WCHAR_T)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The h2_uctoutf16() function converts a unicode character to a utf16 sequence.
+ * \return
+ * - 0 is returned if \a uc is invalid.
+ * - An integer greater than \a size is returned if the \a utf16 sequence buffer
+ * is not #H2_NULL and not large enough. This integer is actually the number
+ * of bytes needed.
+ * - If \a utf16 is #H2_NULL, the number of bytes that would have been stored
+ * into \a utf16 if it had not been #H2_NULL is returned.
+ * - An integer between 1 and size inclusive is returned in all other cases.
+ * \note
+ * This function doesn't check invalid unicode code points and performs
+ * conversion compuationally.
+ */
+h2_size_t h2_uctoutf16 (
+ h2_wxchar_t uc,
+ h2_wchar_t* utf16,
+ h2_size_t size
+);
+
+/**
+ * The h2_utf16touc() function converts a utf16 sequence to a unicode character.
+ * \return
+ * - 0 is returned if the \a utf16 sequence is invalid.
+ * - An integer greater than \a size is returned if the \a utf16 sequence is
+ * not complete.
+ * - An integer between 1 and size inclusive is returned in all other cases.
+ */
+h2_size_t h2_utf16touc (
+ const h2_wchar_t* utf16,
+ h2_size_t size,
+ h2_wxchar_t* uc
+);
+
+/**
+ * The h2_utf16len() function scans at most \a size bytes from the \a utf16
+ * sequence and returns the number of bytes needed to form a single unicode
+ * character.
+ * \return
+ * - 0 is returned if the \a utf16 sequence is invalid.
+ * - An integer greater than \a size is returned if the \a utf16 sequence is
+ * not complete.
+ * - An integer between 1 and size inclusive is returned in all other cases.
+ */
+h2_size_t h2_utf16len (
+ const h2_wchar_t* utf16,
+ h2_size_t size
+);
+
+/**
+ * The h2_utf16lenmax() function returns the maximum number of qse_wchar_t
+ * needed to form a single unicode character. Use #H2_UTF16LEN_MAX if you
+ * need a compile-time constant.
+ */
+h2_size_t h2_utf16lenmax (
+ void
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/h2/types.h b/include/h2/types.h
index f6e40ea..073e3b8 100644
--- a/include/h2/types.h
+++ b/include/h2/types.h
@@ -600,20 +600,44 @@ enum h2_char_type_t
#endif
};
+typedef enum h2_char_type_t h2_char_type_t;
+typedef struct h2_cmgr_t h2_cmgr_t;
+
typedef h2_size_t (*h2_cmgr_mbtowc_t) (
+ h2_cmgr_t* cmgr,
const h2_mchar_t* mb,
h2_size_t size,
h2_wxchar_t* wc
);
typedef h2_size_t (*h2_cmgr_wctomb_t) (
+ h2_cmgr_t* cmgr,
h2_wxchar_t wc,
h2_mchar_t* mb,
h2_size_t size
);
+/*
+typedef h2_size_t (*h2_cmgr_mtowx_t) (
+ h2_cmgr_t* cmgr,
+ const h2_mchar_t* mb,
+ h2_size_t size,
+ h2_wxchar_t* wc
+);
+
+typedef h2_size_t (*h2_cmgr_wxtom_t) (
+ h2_cmgr_t* cmgr,
+ h2_wxchar_t wc,
+ h2_mchar_t* mb,
+ h2_size_t size
+);
+*/
+
+
+
+
/**
* The h2_cmgr_t type defines the character-level interface to
* multibyte/wide-character conversion. This interface doesn't
@@ -625,11 +649,56 @@ struct h2_cmgr_t
{
h2_cmgr_mbtowc_t mbtowc;
h2_cmgr_wctomb_t wctomb;
+
+/*
+ h2_cmgr_mtowx_t mtowx;
+ h2_cmgr_wxtom_t wxtom;
+*/
+
+
+ void* ctx;
};
-typedef struct h2_cmgr_t h2_cmgr_t;
-/* Special definiton to use Unicode APIs on Windows */
+
+
+typedef struct h2_mmgr_t h2_mmgr_t;
+
+/**
+ * allocate a memory chunk of the size @a n.
+ * @return pointer to a memory chunk on success, QSE_NULL on failure.
+ */
+typedef void* (*h2_mmgr_alloc_t) (h2_mmgr_t* mmgr, h2_size_t n);
+/**
+ * resize a memory chunk pointed to by @a ptr to the size @a n.
+ * @return pointer to a memory chunk on success, QSE_NULL on failure.
+ */
+typedef void* (*h2_mmgr_realloc_t) (h2_mmgr_t* mmgr, void* ptr, h2_size_t n);
+/**
+ * free a memory chunk pointed to by @a ptr.
+ */
+typedef void (*h2_mmgr_free_t) (h2_mmgr_t* mmgr, void* ptr);
+
+/**
+ * The h2_mmgr_t type defines the memory management interface.
+ * As the type is merely a structure, it is just used as a single container
+ * for memory management functions with a pointer to user-defined data.
+ * The user-defined data pointer @a ctx is passed to each memory management
+ * function whenever it is called. You can allocate, reallocate, and free
+ * a memory chunk.
+ *
+ * For example, a h2_xxx_open() function accepts a pointer of the h2_mmgr_t
+ * type and the xxx object uses it to manage dynamic data within the object.
+ */
+struct h2_mmgr_t
+{
+ h2_mmgr_alloc_t alloc; /**< allocation function */
+ h2_mmgr_realloc_t realloc; /**< resizing function */
+ h2_mmgr_free_t free; /**< disposal function */
+ void* ctx; /**< user-defined data pointer */
+};
+
+/* Special definition to use Unicode APIs on Windows */
#if defined(_WIN32)
# if !defined(UNICODE)
# define UNICODE