JavaScriptCore/API/JSStringRef.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/API/JSStringRef.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 JSStringRef_h
+#define JSStringRef_h
+
+#include <JavaScriptCore/JSValueRef.h>
+
+#ifndef __cplusplus
+#include <stdbool.h>
+#endif
+#include <stddef.h> /* for size_t */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(WIN32) && !defined(_WIN32) && !defined(__WINSCW__) \
+    && !((defined(__CC_ARM) || defined(__ARMCC__)) && defined(__SYMBIAN32__)) /* RVCT */
+/*!
+@typedef JSChar
+@abstract A Unicode character.
+*/
+    typedef unsigned short JSChar;
+#else
+    typedef wchar_t JSChar;
+#endif
+
+/*!
+@function
+@abstract         Creates a JavaScript string from a buffer of Unicode characters.
+@param chars      The buffer of Unicode characters to copy into the new JSString.
+@param numChars   The number of characters to copy from the buffer pointed to by chars.
+@result           A JSString containing chars. Ownership follows the Create Rule.
+*/
+JS_EXPORT JSStringRef JSStringCreateWithCharacters(const JSChar* chars, size_t numChars);
+/*!
+@function
+@abstract         Creates a JavaScript string from a null-terminated UTF8 string.
+@param string     The null-terminated UTF8 string to copy into the new JSString.
+@result           A JSString containing string. Ownership follows the Create Rule.
+*/
+JS_EXPORT JSStringRef JSStringCreateWithUTF8CString(const char* string);
+
+/*!
+@function
+@abstract         Retains a JavaScript string.
+@param string     The JSString to retain.
+@result           A JSString that is the same as string.
+*/
+JS_EXPORT JSStringRef JSStringRetain(JSStringRef string);
+/*!
+@function
+@abstract         Releases a JavaScript string.
+@param string     The JSString to release.
+*/
+JS_EXPORT void JSStringRelease(JSStringRef string);
+
+/*!
+@function
+@abstract         Returns the number of Unicode characters in a JavaScript string.
+@param string     The JSString whose length (in Unicode characters) you want to know.
+@result           The number of Unicode characters stored in string.
+*/
+JS_EXPORT size_t JSStringGetLength(JSStringRef string);
+/*!
+@function
+@abstract         Returns a pointer to the Unicode character buffer that 
+ serves as the backing store for a JavaScript string.
+@param string     The JSString whose backing store you want to access.
+@result           A pointer to the Unicode character buffer that serves as string's 
+ backing store, which will be deallocated when string is deallocated.
+*/
+JS_EXPORT const JSChar* JSStringGetCharactersPtr(JSStringRef string);
+
+/*!
+@function
+@abstract Returns the maximum number of bytes a JavaScript string will 
+ take up if converted into a null-terminated UTF8 string.
+@param string The JSString whose maximum converted size (in bytes) you 
+ want to know.
+@result The maximum number of bytes that could be required to convert string into a 
+ null-terminated UTF8 string. The number of bytes that the conversion actually ends 
+ up requiring could be less than this, but never more.
+*/
+JS_EXPORT size_t JSStringGetMaximumUTF8CStringSize(JSStringRef string);
+/*!
+@function
+@abstract Converts a JavaScript string into a null-terminated UTF8 string, 
+ and copies the result into an external byte buffer.
+@param string The source JSString.
+@param buffer The destination byte buffer into which to copy a null-terminated 
+ UTF8 representation of string. On return, buffer contains a UTF8 string 
+ representation of string. If bufferSize is too small, buffer will contain only 
+ partial results. If buffer is not at least bufferSize bytes in size, 
+ behavior is undefined. 
+@param bufferSize The size of the external buffer in bytes.
+@result The number of bytes written into buffer (including the null-terminator byte).
+*/
+JS_EXPORT size_t JSStringGetUTF8CString(JSStringRef string, char* buffer, size_t bufferSize);
+
+/*!
+@function
+@abstract     Tests whether two JavaScript strings match.
+@param a      The first JSString to test.
+@param b      The second JSString to test.
+@result       true if the two strings match, otherwise false.
+*/
+JS_EXPORT bool JSStringIsEqual(JSStringRef a, JSStringRef b);
+/*!
+@function
+@abstract     Tests whether a JavaScript string matches a null-terminated UTF8 string.
+@param a      The JSString to test.
+@param b      The null-terminated UTF8 string to test.
+@result       true if the two strings match, otherwise false.
+*/
+JS_EXPORT bool JSStringIsEqualToUTF8CString(JSStringRef a, const char* b);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* JSStringRef_h */