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26 #include "core/inspector/InspectorStyleTextEditor.h"
28 #include "core/css/CSSPropertySourceData.h"
29 #include "core/html/parser/HTMLParserIdioms.h"
30 #include "core/inspector/InspectorStyleSheet.h"
34 InspectorStyleTextEditor::InspectorStyleTextEditor(WillBeHeapVector<InspectorStyleProperty>* allProperties, const String& styleText, const NewLineAndWhitespace& format)
35 : m_allProperties(allProperties)
36 , m_styleText(styleText)
41 void InspectorStyleTextEditor::insertProperty(unsigned index, const String& propertyText, unsigned styleBodyLength)
43 long propertyStart = 0;
45 bool insertLast = true;
46 if (index < m_allProperties->size()) {
47 const InspectorStyleProperty& property = m_allProperties->at(index);
48 if (property.hasSource) {
49 propertyStart = property.sourceData.range.start;
50 // If inserting before a disabled property, it should be shifted, too.
55 bool insertFirstInSource = !m_allProperties->size() || !m_allProperties->at(0).hasSource;
56 bool insertLastInSource = true;
57 for (unsigned i = index, size = m_allProperties->size(); i < size; ++i) {
58 const InspectorStyleProperty& property = m_allProperties->at(i);
59 if (property.hasSource) {
60 insertLastInSource = false;
65 String textToSet = propertyText;
67 int formattingPrependOffset = 0;
68 if (insertLast && !insertFirstInSource) {
69 propertyStart = styleBodyLength;
70 if (propertyStart && textToSet.length()) {
71 long curPos = propertyStart - 1; // The last position of style declaration, since propertyStart points past one.
72 while (curPos && isHTMLSpace<UChar>(m_styleText[curPos]))
75 bool terminated = m_styleText[curPos] == ';' || (m_styleText[curPos] == '/' && m_styleText[curPos - 1] == '*');
77 // Prepend a ";" to the property text if appending to a style declaration where
78 // the last property has no trailing ";".
79 textToSet.insert(";", 0);
80 formattingPrependOffset = 1;
86 const String& formatLineFeed = m_format.first;
87 const String& formatPropertyPrefix = m_format.second;
88 if (insertLastInSource) {
89 long formatPropertyPrefixLength = formatPropertyPrefix.length();
90 if (!formattingPrependOffset && (propertyStart < formatPropertyPrefixLength || m_styleText.substring(propertyStart - formatPropertyPrefixLength, formatPropertyPrefixLength) != formatPropertyPrefix)) {
91 textToSet.insert(formatPropertyPrefix, formattingPrependOffset);
92 if (!propertyStart || !isHTMLLineBreak(m_styleText[propertyStart - 1]))
93 textToSet.insert(formatLineFeed, formattingPrependOffset);
95 if (!isHTMLLineBreak(m_styleText[propertyStart]))
96 textToSet = textToSet + formatLineFeed;
98 String fullPrefix = formatLineFeed + formatPropertyPrefix;
99 long fullPrefixLength = fullPrefix.length();
100 textToSet = textToSet + fullPrefix;
101 if (insertFirstInSource && (propertyStart < fullPrefixLength || m_styleText.substring(propertyStart - fullPrefixLength, fullPrefixLength) != fullPrefix))
102 textToSet.insert(fullPrefix, formattingPrependOffset);
104 m_styleText.insert(textToSet, propertyStart);
107 void InspectorStyleTextEditor::replaceProperty(unsigned index, const String& newText)
109 ASSERT_WITH_SECURITY_IMPLICATION(index < m_allProperties->size());
110 internalReplaceProperty(m_allProperties->at(index), newText);
113 void InspectorStyleTextEditor::internalReplaceProperty(const InspectorStyleProperty& property, const String& newText)
115 const SourceRange& range = property.sourceData.range;
116 long replaceRangeStart = range.start;
117 long replaceRangeEnd = range.end;
118 long newTextLength = newText.length();
119 String finalNewText = newText;
121 // Removing a property - remove preceding prefix.
122 String fullPrefix = m_format.first + m_format.second;
123 long fullPrefixLength = fullPrefix.length();
124 if (!newTextLength && fullPrefixLength) {
125 if (replaceRangeStart >= fullPrefixLength && m_styleText.substring(replaceRangeStart - fullPrefixLength, fullPrefixLength) == fullPrefix)
126 replaceRangeStart -= fullPrefixLength;
127 } else if (newTextLength) {
128 if (isHTMLLineBreak(newText[newTextLength - 1])) {
129 // Coalesce newlines of the original and new property values (to avoid a lot of blank lines while incrementally applying property values).
130 bool foundNewline = false;
131 bool isLastNewline = false;
133 int textLength = m_styleText.length();
134 for (i = replaceRangeEnd; i < textLength && isSpaceOrNewline(m_styleText[i]); ++i) {
135 isLastNewline = isHTMLLineBreak(m_styleText[i]);
138 else if (foundNewline && !isLastNewline) {
143 if (foundNewline && isLastNewline)
147 if (fullPrefixLength > replaceRangeStart || m_styleText.substring(replaceRangeStart - fullPrefixLength, fullPrefixLength) != fullPrefix)
148 finalNewText.insert(fullPrefix, 0);
151 int replacedLength = replaceRangeEnd - replaceRangeStart;
152 m_styleText.replace(replaceRangeStart, replacedLength, finalNewText);
155 } // namespace WebCore