1 /* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis (at) kde.org> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #include "config.h" 22 #include "core/svg/SVGStringList.h" 23 24 #include "bindings/core/v8/ExceptionMessages.h" 25 #include "core/svg/SVGElement.h" 26 #include "core/svg/SVGParserUtilities.h" 27 #include "wtf/text/StringBuilder.h" 28 29 namespace blink { 30 31 SVGStringList::SVGStringList() 32 { 33 } 34 35 SVGStringList::~SVGStringList() 36 { 37 } 38 39 void SVGStringList::initialize(const String& item) 40 { 41 m_values.clear(); 42 m_values.append(item); 43 } 44 45 String SVGStringList::getItem(size_t index, ExceptionState& exceptionState) 46 { 47 if (!checkIndexBound(index, exceptionState)) 48 return String(); 49 50 return m_values.at(index); 51 } 52 53 void SVGStringList::insertItemBefore(const String& newItem, size_t index) 54 { 55 // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list. 56 if (index > m_values.size()) 57 index = m_values.size(); 58 59 // Spec: Inserts a new item into the list at the specified position. The index of the item before which the new item is to be 60 // inserted. The first item is number 0. If the index is equal to 0, then the new item is inserted at the front of the list. 61 m_values.insert(index, newItem); 62 } 63 64 String SVGStringList::removeItem(size_t index, ExceptionState& exceptionState) 65 { 66 if (!checkIndexBound(index, exceptionState)) 67 return String(); 68 69 String oldItem = m_values.at(index); 70 m_values.remove(index); 71 return oldItem; 72 } 73 74 void SVGStringList::appendItem(const String& newItem) 75 { 76 m_values.append(newItem); 77 } 78 79 void SVGStringList::replaceItem(const String& newItem, size_t index, ExceptionState& exceptionState) 80 { 81 if (!checkIndexBound(index, exceptionState)) 82 return; 83 84 // Update the value at the desired position 'index'. 85 m_values[index] = newItem; 86 } 87 88 template<typename CharType> 89 void SVGStringList::parseInternal(const CharType*& ptr, const CharType* end) 90 { 91 const UChar delimiter = ' '; 92 93 while (ptr < end) { 94 const CharType* start = ptr; 95 while (ptr < end && *ptr != delimiter && !isHTMLSpace<CharType>(*ptr)) 96 ptr++; 97 if (ptr == start) 98 break; 99 m_values.append(String(start, ptr - start)); 100 skipOptionalSVGSpacesOrDelimiter(ptr, end, delimiter); 101 } 102 } 103 104 void SVGStringList::setValueAsString(const String& data, ExceptionState&) 105 { 106 // FIXME: Add more error checking and reporting. 107 m_values.clear(); 108 if (data.isEmpty()) 109 return; 110 if (data.is8Bit()) { 111 const LChar* ptr = data.characters8(); 112 const LChar* end = ptr + data.length(); 113 parseInternal(ptr, end); 114 } else { 115 const UChar* ptr = data.characters16(); 116 const UChar* end = ptr + data.length(); 117 parseInternal(ptr, end); 118 } 119 } 120 121 String SVGStringList::valueAsString() const 122 { 123 StringBuilder builder; 124 125 Vector<String>::const_iterator it = m_values.begin(); 126 Vector<String>::const_iterator itEnd = m_values.end(); 127 if (it != itEnd) { 128 builder.append(*it); 129 ++it; 130 131 for (; it != itEnd; ++it) { 132 builder.append(' '); 133 builder.append(*it); 134 } 135 } 136 137 return builder.toString(); 138 } 139 140 bool SVGStringList::checkIndexBound(size_t index, ExceptionState& exceptionState) 141 { 142 if (index >= m_values.size()) { 143 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMaximumBound("index", index, m_values.size())); 144 return false; 145 } 146 147 return true; 148 } 149 150 void SVGStringList::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement* contextElement) 151 { 152 // SVGStringList is never animated. 153 ASSERT_NOT_REACHED(); 154 } 155 156 void SVGStringList::calculateAnimatedValue(SVGAnimationElement*, float, unsigned, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, SVGElement*) 157 { 158 // SVGStringList is never animated. 159 ASSERT_NOT_REACHED(); 160 } 161 162 float SVGStringList::calculateDistance(PassRefPtr<SVGPropertyBase>, SVGElement*) 163 { 164 // SVGStringList is never animated. 165 ASSERT_NOT_REACHED(); 166 167 return -1.0f; 168 } 169 170 } 171
