1 /*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #ifndef JSStringBuilder_h
27 #define JSStringBuilder_h
28
29 #include "ExceptionHelpers.h"
30 #include "JSString.h"
31 #include "StringBuilder.h"
32
33 namespace JSC {
34
35 class JSStringBuilder : public StringBuilder {
36 public:
build(ExecState * exec)37 JSValue build(ExecState* exec)
38 {
39 buffer.shrinkToFit();
40 if (!buffer.data())
41 return throwOutOfMemoryError(exec);
42 return jsString(exec, UString::adopt(buffer));
43 }
44
45 private:
46 // Make attempts to call this compile error - if you only wanted a UString,
47 // Why didn't you just use a StringBuilder?! (This may change, maybe at some
48 // point in the future we'll need to start building a string not knowing whether
49 // we'll want a UString or a JSValue - but until we have this requirement,
50 // block this).
build()51 UString build()
52 {
53 ASSERT_NOT_REACHED();
54 return StringBuilder::build();
55 }
56 };
57
58 template<typename StringType1, typename StringType2>
jsMakeNontrivialString(ExecState * exec,StringType1 string1,StringType2 string2)59 inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2)
60 {
61 PassRefPtr<UStringImpl> result = tryMakeString(string1, string2);
62 if (!result)
63 return throwOutOfMemoryError(exec);
64 return jsNontrivialString(exec, result);
65 }
66
67 template<typename StringType1, typename StringType2, typename StringType3>
jsMakeNontrivialString(ExecState * exec,StringType1 string1,StringType2 string2,StringType3 string3)68 inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3)
69 {
70 PassRefPtr<UStringImpl> result = tryMakeString(string1, string2, string3);
71 if (!result)
72 return throwOutOfMemoryError(exec);
73 return jsNontrivialString(exec, result);
74 }
75
76 template<typename StringType1, typename StringType2, typename StringType3, typename StringType4>
jsMakeNontrivialString(ExecState * exec,StringType1 string1,StringType2 string2,StringType3 string3,StringType4 string4)77 inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4)
78 {
79 PassRefPtr<UStringImpl> result = tryMakeString(string1, string2, string3, string4);
80 if (!result)
81 return throwOutOfMemoryError(exec);
82 return jsNontrivialString(exec, result);
83 }
84
85 template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5>
jsMakeNontrivialString(ExecState * exec,StringType1 string1,StringType2 string2,StringType3 string3,StringType4 string4,StringType5 string5)86 inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5)
87 {
88 PassRefPtr<UStringImpl> result = tryMakeString(string1, string2, string3, string4, string5);
89 if (!result)
90 return throwOutOfMemoryError(exec);
91 return jsNontrivialString(exec, result);
92 }
93
94 template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6>
jsMakeNontrivialString(ExecState * exec,StringType1 string1,StringType2 string2,StringType3 string3,StringType4 string4,StringType5 string5,StringType6 string6)95 inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6)
96 {
97 PassRefPtr<UStringImpl> result = tryMakeString(string1, string2, string3, string4, string5, string6);
98 if (!result)
99 return throwOutOfMemoryError(exec);
100 return jsNontrivialString(exec, result);
101 }
102
103 }
104
105 #endif
106