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1 // Copyright 2011 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 #include "src/extensions/experimental/i18n-utils.h" | |
29 | |
30 #include <string.h> | |
31 | |
32 #include "unicode/unistr.h" | |
33 | |
34 namespace v8 { | |
35 namespace internal { | |
36 | |
37 // static | |
38 void I18NUtils::StrNCopy(char* dest, int length, const char* src) { | |
39 if (!dest || !src) return; | |
40 | |
41 strncpy(dest, src, length); | |
42 dest[length - 1] = '\0'; | |
43 } | |
44 | |
45 // static | |
46 bool I18NUtils::ExtractStringSetting(const v8::Handle<v8::Object>& settings, | |
47 const char* setting, | |
48 icu::UnicodeString* result) { | |
49 if (!setting || !result) return false; | |
50 | |
51 v8::HandleScope handle_scope; | |
52 v8::TryCatch try_catch; | |
53 v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting)); | |
54 if (try_catch.HasCaught()) { | |
55 return false; | |
56 } | |
57 // No need to check if |value| is empty because it's taken care of | |
58 // by TryCatch above. | |
59 if (!value->IsUndefined() && !value->IsNull() && value->IsString()) { | |
60 v8::String::Utf8Value utf8_value(value); | |
61 if (*utf8_value == NULL) return false; | |
62 result->setTo(icu::UnicodeString::fromUTF8(*utf8_value)); | |
63 return true; | |
64 } | |
65 return false; | |
66 } | |
67 | |
68 // static | |
69 void I18NUtils::AsciiToUChar(const char* source, | |
70 int32_t source_length, | |
71 UChar* target, | |
72 int32_t target_length) { | |
73 int32_t length = | |
74 source_length < target_length ? source_length : target_length; | |
75 | |
76 if (length <= 0) { | |
77 return; | |
78 } | |
79 | |
80 for (int32_t i = 0; i < length - 1; ++i) { | |
81 target[i] = static_cast<UChar>(source[i]); | |
82 } | |
83 | |
84 target[length - 1] = 0x0u; | |
85 } | |
86 | |
87 } } // namespace v8::internal | |
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