src/plugins/qmldesigner/designercore/filemanager/removepropertyvisitor.cpp

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  33
  34 #include "removepropertyvisitor.h"
  35
  36 #include <qmljs/parser/qmljsast_p.h>
  37 #include <qmljs/parser/qmljsengine_p.h>
  38
  39 using namespace QmlDesigner::Internal;
  40 using namespace QmlJS;
  41 using namespace QmlJS::AST;
  42
  43 RemovePropertyVisitor::RemovePropertyVisitor(QmlDesigner::TextModifier &modifier,
  44                                              quint32 parentLocation,
  45                                              const QString &propertyName):
  46     QMLRewriter(modifier),
  47     parentLocation(parentLocation),
  48     propertyName(propertyName)
  49 {
  50 }
  51
  52 bool RemovePropertyVisitor::visit(QmlJS::AST::UiObjectBinding *ast)
  53 {
  54     if (ast->firstSourceLocation().offset == parentLocation) {
  55         //this condition is wrong for the UiObjectBinding case, but we keep it
  56         //since we are paranoid until the release is done.
  57         // FIXME: change this to use the QmlJS::Rewriter class
  58         removeFrom(ast->initializer);
  59     }
  60
  61     if (ast->qualifiedTypeNameId && ast->qualifiedTypeNameId->identifierToken.offset == parentLocation) {
  62         // FIXME: change this to use the QmlJS::Rewriter class
  63         removeFrom(ast->initializer);
  64     }
  65
  66     return !didRewriting();
  67 }
  68
  69 bool RemovePropertyVisitor::visit(QmlJS::AST::UiObjectDefinition *ast)
  70 {
  71     if (ast->firstSourceLocation().offset == parentLocation) {
  72         // FIXME: change this to use the QmlJS::Rewriter class
  73         removeFrom(ast->initializer);
  74     }
  75
  76     return !didRewriting();
  77 }
  78
  79 // FIXME: duplicate code in the QmlJS::Rewriter class, remove this
  80 void RemovePropertyVisitor::removeFrom(QmlJS::AST::UiObjectInitializer *ast)
  81 {
  82     QString prefix;
  83     int dotIdx = propertyName.indexOf(QLatin1Char('.'));
  84     if (dotIdx != -1)
  85         prefix = propertyName.left(dotIdx);
  86
  87     for (UiObjectMemberList *it = ast->members; it; it = it->next) {
  88         UiObjectMember *member = it->member;
  89
  90         // run full name match (for ungrouped properties):
  91         if (memberNameMatchesPropertyName(propertyName, member)) {
  92             removeMember(member);
  93         }
  94         // check for grouped properties:
  95         else if (!prefix.isEmpty()) {
  96             if (UiObjectDefinition *def = cast<UiObjectDefinition *>(member)) {
  97                 if (flatten(def->qualifiedTypeNameId) == prefix) {
  98                     removeGroupedProperty(def);
  99                 }
 100             }
 101         }
 102     }
 103 }
 104
 105 // FIXME: duplicate code in the QmlJS::Rewriter class, remove this
 106 void RemovePropertyVisitor::removeGroupedProperty(UiObjectDefinition *ast)
 107 {
 108     int dotIdx = propertyName.indexOf(QLatin1Char('.'));
 109     if (dotIdx == -1)
 110         return;
 111
 112     const QString propName = propertyName.mid(dotIdx + 1);
 113
 114     UiObjectMember *wanted = 0;
 115     unsigned memberCount = 0;
 116     for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
 117         ++memberCount;
 118         UiObjectMember *member = it->member;
 119
 120         if (!wanted && memberNameMatchesPropertyName(propName, member)) {
 121             wanted = member;
 122         }
 123     }
 124
 125     if (!wanted)
 126         return;
 127     if (memberCount == 1)
 128         removeMember(ast);
 129     else
 130         removeMember(wanted);
 131 }
 132
 133 // FIXME: duplicate code in the QmlJS::Rewriter class, remove this
 134 void RemovePropertyVisitor::removeMember(UiObjectMember *member)
 135 {
 136     int start = member->firstSourceLocation().offset;
 137     int end = member->lastSourceLocation().end();
 138
 139     includeSurroundingWhitespace(start, end);
 140
 141     replace(start, end - start, QLatin1String(""));
 142     setDidRewriting(true);
 143 }
 144
 145 // FIXME: duplicate code in the QmlJS::Rewriter class, remove this
 146 bool RemovePropertyVisitor::memberNameMatchesPropertyName(const QString &propertyName, UiObjectMember *ast)
 147 {
 148     if (UiPublicMember *publicMember = cast<UiPublicMember*>(ast))
 149         return publicMember->name->asString() == propertyName;
 150     else if (UiObjectBinding *objectBinding = cast<UiObjectBinding*>(ast))
 151         return flatten(objectBinding->qualifiedId) == propertyName;
 152     else if (UiScriptBinding *scriptBinding = cast<UiScriptBinding*>(ast))
 153         return flatten(scriptBinding->qualifiedId) == propertyName;
 154     else if (UiArrayBinding *arrayBinding = cast<UiArrayBinding*>(ast))
 155         return flatten(arrayBinding->qualifiedId) == propertyName;
 156     else
 157         return false;
 158 }