1 // Copyright 2006-2008 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
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.
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.
39 void StringBuilder::AddString(const char* s) {
40 AddSubstring(s, StrLength(s));
44 void StringBuilder::AddSubstring(const char* s, int n) {
45 ASSERT(!is_finalized() && position_ + n < buffer_.length());
46 ASSERT(static_cast<size_t>(n) <= strlen(s));
47 memcpy(&buffer_[position_], s, n * kCharSize);
52 // MOZ: This is not from V8. See DoubleToCString() for details.
53 void StringBuilder::AddInteger(int n) {
54 ASSERT(!is_finalized() && position_ < buffer_.length());
55 // Get the number of digits.
63 // Add the integer string backwards.
67 buffer_[--i] = '0' + (n % 10);
73 void StringBuilder::AddPadding(char c, int count) {
74 for (int i = 0; i < count; i++) {
80 char* StringBuilder::Finalize() {
81 ASSERT(!is_finalized() && position_ < buffer_.length());
82 buffer_[position_] = '\0';
83 // Make sure nobody managed to add a 0-character to the
84 // buffer while building the string.
85 ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_));
87 ASSERT(is_finalized());
88 return buffer_.start();
91 } } // namespace v8::internal