--- /dev/null
+// Copyright (c) 2010 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CEF_INCLUDE_INTERNAL_CEF_STRING_TYPES_H_
+#define CEF_INCLUDE_INTERNAL_CEF_STRING_TYPES_H_
+#pragma once
+
+// CEF provides functions for converting between UTF-8, -16 and -32 strings.
+// CEF string types are safe for reading from multiple threads but not for
+// modification. It is the user's responsibility to provide synchronization if
+// modifying CEF strings from multiple threads.
+
+#include <stddef.h>
+
+#include "include/base/cef_basictypes.h"
+#include "include/internal/cef_export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// CEF string type definitions. Whomever allocates |str| is responsible for
+// providing an appropriate |dtor| implementation that will free the string in
+// the same memory space. When reusing an existing string structure make sure
+// to call |dtor| for the old value before assigning new |str| and |dtor|
+// values. Static strings will have a NULL |dtor| value. Using the below
+// functions if you want this managed for you.
+
+typedef struct _cef_string_wide_t {
+ wchar_t* str;
+ size_t length;
+ void (*dtor)(wchar_t* str);
+} cef_string_wide_t;
+
+typedef struct _cef_string_utf8_t {
+ char* str;
+ size_t length;
+ void (*dtor)(char* str);
+} cef_string_utf8_t;
+
+typedef struct _cef_string_utf16_t {
+ char16* str;
+ size_t length;
+ void (*dtor)(char16* str);
+} cef_string_utf16_t;
+
+
+///
+// These functions set string values. If |copy| is true (1) the value will be
+// copied instead of referenced. It is up to the user to properly manage
+// the lifespan of references.
+///
+
+CEF_EXPORT int cef_string_wide_set(const wchar_t* src, size_t src_len,
+ cef_string_wide_t* output, int copy);
+CEF_EXPORT int cef_string_utf8_set(const char* src, size_t src_len,
+ cef_string_utf8_t* output, int copy);
+CEF_EXPORT int cef_string_utf16_set(const char16* src, size_t src_len,
+ cef_string_utf16_t* output, int copy);
+
+
+///
+// Convenience macros for copying values.
+///
+
+#define cef_string_wide_copy(src, src_len, output) \
+ cef_string_wide_set(src, src_len, output, true)
+#define cef_string_utf8_copy(src, src_len, output) \
+ cef_string_utf8_set(src, src_len, output, true)
+#define cef_string_utf16_copy(src, src_len, output) \
+ cef_string_utf16_set(src, src_len, output, true)
+
+
+///
+// These functions clear string values. The structure itself is not freed.
+///
+
+CEF_EXPORT void cef_string_wide_clear(cef_string_wide_t* str);
+CEF_EXPORT void cef_string_utf8_clear(cef_string_utf8_t* str);
+CEF_EXPORT void cef_string_utf16_clear(cef_string_utf16_t* str);
+
+
+///
+// These functions compare two string values with the same results as strcmp().
+///
+
+CEF_EXPORT int cef_string_wide_cmp(const cef_string_wide_t* str1,
+ const cef_string_wide_t* str2);
+CEF_EXPORT int cef_string_utf8_cmp(const cef_string_utf8_t* str1,
+ const cef_string_utf8_t* str2);
+CEF_EXPORT int cef_string_utf16_cmp(const cef_string_utf16_t* str1,
+ const cef_string_utf16_t* str2);
+
+
+///
+// These functions convert between UTF-8, -16, and -32 strings. They are
+// potentially slow so unnecessary conversions should be avoided. The best
+// possible result will always be written to |output| with the boolean return
+// value indicating whether the conversion is 100% valid.
+///
+
+CEF_EXPORT int cef_string_wide_to_utf8(const wchar_t* src, size_t src_len,
+ cef_string_utf8_t* output);
+CEF_EXPORT int cef_string_utf8_to_wide(const char* src, size_t src_len,
+ cef_string_wide_t* output);
+
+CEF_EXPORT int cef_string_wide_to_utf16(const wchar_t* src, size_t src_len,
+ cef_string_utf16_t* output);
+CEF_EXPORT int cef_string_utf16_to_wide(const char16* src, size_t src_len,
+ cef_string_wide_t* output);
+
+CEF_EXPORT int cef_string_utf8_to_utf16(const char* src, size_t src_len,
+ cef_string_utf16_t* output);
+CEF_EXPORT int cef_string_utf16_to_utf8(const char16* src, size_t src_len,
+ cef_string_utf8_t* output);
+
+
+///
+// These functions convert an ASCII string, typically a hardcoded constant, to a
+// Wide/UTF16 string. Use instead of the UTF8 conversion routines if you know
+// the string is ASCII.
+///
+
+CEF_EXPORT int cef_string_ascii_to_wide(const char* src, size_t src_len,
+ cef_string_wide_t* output);
+CEF_EXPORT int cef_string_ascii_to_utf16(const char* src, size_t src_len,
+ cef_string_utf16_t* output);
+
+
+
+///
+// It is sometimes necessary for the system to allocate string structures with
+// the expectation that the user will free them. The userfree types act as a
+// hint that the user is responsible for freeing the structure.
+///
+
+typedef cef_string_wide_t* cef_string_userfree_wide_t;
+typedef cef_string_utf8_t* cef_string_userfree_utf8_t;
+typedef cef_string_utf16_t* cef_string_userfree_utf16_t;
+
+
+///
+// These functions allocate a new string structure. They must be freed by
+// calling the associated free function.
+///
+
+CEF_EXPORT cef_string_userfree_wide_t cef_string_userfree_wide_alloc();
+CEF_EXPORT cef_string_userfree_utf8_t cef_string_userfree_utf8_alloc();
+CEF_EXPORT cef_string_userfree_utf16_t cef_string_userfree_utf16_alloc();
+
+
+///
+// These functions free the string structure allocated by the associated
+// alloc function. Any string contents will first be cleared.
+///
+
+CEF_EXPORT void cef_string_userfree_wide_free(cef_string_userfree_wide_t str);
+CEF_EXPORT void cef_string_userfree_utf8_free(cef_string_userfree_utf8_t str);
+CEF_EXPORT void cef_string_userfree_utf16_free(cef_string_userfree_utf16_t str);
+
+
+///
+// These functions convert utf16 string case using the current ICU locale. This
+// may change the length of the string in some cases.
+///
+
+CEF_EXPORT int cef_string_utf16_to_lower(const char16* src, size_t src_len,
+ cef_string_utf16_t* output);
+CEF_EXPORT int cef_string_utf16_to_upper(const char16* src, size_t src_len,
+ cef_string_utf16_t* output);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CEF_INCLUDE_INTERNAL_CEF_STRING_TYPES_H_
projects / casparcg / blobdiff