| 1 | /*
|
|---|
| 2 | * Copyright (C) 2008 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 | *
|
|---|
| 8 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 9 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 10 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 12 | * documentation and/or other materials provided with the distribution.
|
|---|
| 13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
|
|---|
| 14 | * its contributors may be used to endorse or promote products derived
|
|---|
| 15 | * from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
|
|---|
| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|---|
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|---|
| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
|
|---|
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|---|
| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|---|
| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|---|
| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | #ifndef SourceProvider_h
|
|---|
| 30 | #define SourceProvider_h
|
|---|
| 31 |
|
|---|
| 32 | #include "ustring.h"
|
|---|
| 33 | #include <wtf/RefCounted.h>
|
|---|
| 34 |
|
|---|
| 35 | namespace KJS {
|
|---|
| 36 |
|
|---|
| 37 | class SourceProvider : public RefCounted<SourceProvider> {
|
|---|
| 38 | public:
|
|---|
| 39 | virtual ~SourceProvider() { }
|
|---|
| 40 | virtual UString getRange(int start, int end) const = 0;
|
|---|
| 41 | virtual const UChar* data() const = 0;
|
|---|
| 42 | virtual int length() const = 0;
|
|---|
| 43 | };
|
|---|
| 44 |
|
|---|
| 45 | class UStringSourceProvider : public SourceProvider {
|
|---|
| 46 | public:
|
|---|
| 47 | static PassRefPtr<UStringSourceProvider> create(const UString& source) { return adoptRef(new UStringSourceProvider(source)); }
|
|---|
| 48 |
|
|---|
| 49 | UString getRange(int start, int end) const { return m_source.substr(start, end - start); }
|
|---|
| 50 | const UChar* data() const { return m_source.data(); }
|
|---|
| 51 | int length() const { return m_source.size(); }
|
|---|
| 52 |
|
|---|
| 53 | private:
|
|---|
| 54 | UStringSourceProvider(const UString& source)
|
|---|
| 55 | : m_source(source)
|
|---|
| 56 | {
|
|---|
| 57 | }
|
|---|
| 58 |
|
|---|
| 59 | UString m_source;
|
|---|
| 60 | };
|
|---|
| 61 |
|
|---|
| 62 | } // namespace KJS
|
|---|
| 63 |
|
|---|
| 64 | #endif // SourceProvider_h
|
|---|
