Examples with IMXMLTagData org.apache.flex.compiler.mxml.IMXMLTagData used on opensource projects

Example 1 with IMXMLTagData

use of org.apache.flex.compiler.mxml.IMXMLTagData in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method completion.

/**
     * Returns a list of all items to display in the completion list at a
     * specific position in a document. Called automatically by VSCode as the
     * user types, and may not necessarily be triggered only on "." or ":".
     */
@Override
public CompletableFuture<CompletionList> completion(TextDocumentPositionParams position) {
    String textDocumentUri = position.getTextDocument().getUri();
    if (!textDocumentUri.endsWith(AS_EXTENSION) && !textDocumentUri.endsWith(MXML_EXTENSION)) {
        CompletionList result = new CompletionList();
        result.setIsIncomplete(false);
        result.setItems(new ArrayList<>());
        return CompletableFuture.completedFuture(result);
    }
    IMXMLTagData offsetTag = getOffsetMXMLTag(position);
    if (offsetTag != null) {
        IASNode embeddedNode = getEmbeddedActionScriptNodeInMXMLTag(offsetTag, currentOffset, position);
        if (embeddedNode != null) {
            return actionScriptCompletionWithNode(position, embeddedNode);
        }
        //so that's why we call isMXMLTagValidForCompletion()
        if (isMXMLTagValidForCompletion(offsetTag)) {
            return mxmlCompletion(position, offsetTag);
        }
    }
    if (offsetTag == null && position.getTextDocument().getUri().endsWith(MXML_EXTENSION)) {
        //it's possible for the offset tag to be null in an MXML file, but
        //we don't want to trigger ActionScript completion.
        //for some reason, the offset tag will be null if completion is
        //triggered at the asterisk:
        //<fx:Declarations>*
        CompletionList result = new CompletionList();
        result.setIsIncomplete(false);
        result.setItems(new ArrayList<>());
        return CompletableFuture.completedFuture(result);
    }
    return actionScriptCompletion(position);
}

Example 2 with IMXMLTagData

use of org.apache.flex.compiler.mxml.IMXMLTagData in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method mxmlCompletion.

private CompletableFuture<CompletionList> mxmlCompletion(TextDocumentPositionParams position, IMXMLTagData offsetTag) {
    CompletionList result = new CompletionList();
    result.setIsIncomplete(false);
    result.setItems(new ArrayList<>());
    if (isInXMLComment(position)) {
        //if we're inside a comment, no completion!
        return CompletableFuture.completedFuture(result);
    }
    IMXMLTagData parentTag = offsetTag.getParentTag();
    //for some reason, the attributes list includes the >, but that's not
    //what we want here, so check if currentOffset isn't the end of the tag!
    boolean isAttribute = offsetTag.isOffsetInAttributeList(currentOffset) && currentOffset < offsetTag.getAbsoluteEnd();
    if (isAttribute && offsetTag.isCloseTag()) {
        return CompletableFuture.completedFuture(result);
    }
    //inside <fx:Declarations>
    if (isDeclarationsTag(offsetTag)) {
        if (!isAttribute) {
            autoCompleteTypesForMXML(result);
        }
        return CompletableFuture.completedFuture(result);
    }
    IDefinition offsetDefinition = getDefinitionForMXMLTag(offsetTag);
    if (offsetDefinition == null) {
        IDefinition parentDefinition = null;
        if (parentTag != null) {
            parentDefinition = getDefinitionForMXMLTag(parentTag);
        }
        if (parentDefinition != null) {
            if (parentDefinition instanceof IClassDefinition) {
                IClassDefinition classDefinition = (IClassDefinition) parentDefinition;
                String offsetPrefix = offsetTag.getPrefix();
                if (offsetPrefix.length() == 0 || parentTag.getPrefix().equals(offsetPrefix)) {
                    //only add members if the prefix is the same as the
                    //parent tag. members can't have different prefixes.
                    //also allow members when we don't have a prefix.
                    addMembersForMXMLTypeToAutoComplete(classDefinition, parentTag, offsetPrefix.length() == 0, result);
                }
                if (!isAttribute) {
                    //tags can't appear in attributes, so skip types
                    String defaultPropertyName = classDefinition.getDefaultPropertyName(currentProject);
                    if (defaultPropertyName != null) {
                        //only add types if the class defines [DefaultProperty]
                        //metadata
                        autoCompleteTypesForMXMLFromExistingTag(result, offsetTag);
                    }
                }
            } else {
                //the parent is something like a property, so matching the
                //prefix is not required
                autoCompleteTypesForMXMLFromExistingTag(result, offsetTag);
            }
            return CompletableFuture.completedFuture(result);
        } else if (isDeclarationsTag(parentTag)) {
            autoCompleteTypesForMXMLFromExistingTag(result, offsetTag);
            return CompletableFuture.completedFuture(result);
        }
        return CompletableFuture.completedFuture(result);
    }
    if (offsetDefinition instanceof IClassDefinition) {
        IMXMLTagAttributeData attribute = getMXMLTagAttributeWithValueAtOffset(offsetTag, currentOffset);
        if (attribute != null) {
            return mxmlAttributeCompletion(offsetTag, result);
        }
        IClassDefinition classDefinition = (IClassDefinition) offsetDefinition;
        addMembersForMXMLTypeToAutoComplete(classDefinition, offsetTag, !isAttribute, result);
        String defaultPropertyName = classDefinition.getDefaultPropertyName(currentProject);
        if (defaultPropertyName != null && !isAttribute) {
            //if [DefaultProperty] is set, then we can instantiate
            //types as child elements
            //but we don't want to do that when in an attribute
            autoCompleteTypesForMXML(result);
        }
        return CompletableFuture.completedFuture(result);
    }
    if (offsetDefinition instanceof IVariableDefinition || offsetDefinition instanceof IEventDefinition || offsetDefinition instanceof IStyleDefinition) {
        if (!isAttribute) {
            autoCompleteTypesForMXML(result);
        }
        return CompletableFuture.completedFuture(result);
    }
    System.err.println("Unknown definition for MXML completion: " + offsetDefinition.getClass());
    return CompletableFuture.completedFuture(result);
}

Example 3 with IMXMLTagData

use of org.apache.flex.compiler.mxml.IMXMLTagData in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method getOffsetMXMLTag.

private IMXMLTagData getOffsetMXMLTag(TextDocumentIdentifier textDocument, Position position) {
    namespaceStartIndex = -1;
    namespaceEndIndex = -1;
    String uri = textDocument.getUri();
    if (!uri.endsWith(MXML_EXTENSION)) {
        // don't try to parse ActionScript files as MXML
        return null;
    }
    currentOffset = -1;
    importStartIndex = -1;
    importEndIndex = -1;
    Path path = LanguageServerUtils.getPathFromLanguageServerURI(uri);
    if (path == null) {
        return null;
    }
    if (!isInWorkspaceOrSourcePath(path)) {
        //the path must be in the workspace or source-path
        return null;
    }
    String code;
    if (sourceByPath.containsKey(path)) {
        code = sourceByPath.get(path);
    } else {
        System.err.println("Could not find source " + path.toAbsolutePath().toString());
        System.err.println(sourceByPath.keySet().size());
        return null;
    }
    //need to ensure that the compilation unit exists, even though we don't
    //use it directly
    ICompilationUnit unit = getCompilationUnit(path);
    if (unit == null) {
        //should have been logged already
        return null;
    }
    IMXMLDataManager mxmlDataManager = currentWorkspace.getMXMLDataManager();
    MXMLData mxmlData = (MXMLData) mxmlDataManager.get(fileSpecGetter.getFileSpecification(path.toAbsolutePath().toString()));
    if (mxmlData == null) {
        return null;
    }
    currentOffset = lineAndCharacterToOffset(new StringReader(code), position.getLine(), position.getCharacter());
    if (currentOffset == -1) {
        System.err.println("Could not find code at position " + position.getLine() + ":" + position.getCharacter() + " in file " + path.toAbsolutePath().toString());
        return null;
    }
    //calculate the location for automatically generated xmlns tags
    IMXMLTagData rootTag = mxmlData.getRootTag();
    IMXMLTagAttributeData[] attributeDatas = rootTag.getAttributeDatas();
    for (IMXMLTagAttributeData attributeData : attributeDatas) {
        if (!attributeData.getName().startsWith("xmlns")) {
            if (namespaceStartIndex == -1) {
                namespaceStartIndex = attributeData.getStart();
                namespaceEndIndex = namespaceStartIndex;
            }
            break;
        }
        int start = attributeData.getAbsoluteStart();
        int end = attributeData.getValueEnd() + 1;
        if (brokenMXMLValueEnd) {
            end--;
        }
        if (namespaceStartIndex == -1 || namespaceStartIndex > start) {
            namespaceStartIndex = start;
        }
        if (namespaceEndIndex == -1 || namespaceEndIndex < end) {
            namespaceEndIndex = end;
        }
    }
    IMXMLUnitData unitData = mxmlData.findContainmentReferenceUnit(currentOffset);
    IMXMLUnitData currentUnitData = unitData;
    while (currentUnitData != null) {
        if (currentUnitData instanceof IMXMLTagData) {
            IMXMLTagData tagData = (IMXMLTagData) currentUnitData;
            if (tagData.getXMLName().equals(tagData.getMXMLDialect().resolveScript()) && unitData instanceof IMXMLTextData) {
                IMXMLTextData textUnitData = (IMXMLTextData) unitData;
                if (textUnitData.getTextType() == IMXMLTextData.TextType.CDATA) {
                    importStartIndex = textUnitData.getCompilableTextStart();
                    importEndIndex = textUnitData.getCompilableTextEnd();
                }
            }
            return tagData;
        }
        currentUnitData = currentUnitData.getParentUnitData();
    }
    return null;
}

Example 4 with IMXMLTagData

use of org.apache.flex.compiler.mxml.IMXMLTagData in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method hover.

/**
     * Returns information to display in a tooltip when the mouse hovers over
     * something in a text document.
     */
@Override
public CompletableFuture<Hover> hover(TextDocumentPositionParams position) {
    String textDocumentUri = position.getTextDocument().getUri();
    if (!textDocumentUri.endsWith(AS_EXTENSION) && !textDocumentUri.endsWith(MXML_EXTENSION)) {
        return CompletableFuture.completedFuture(new Hover(Collections.emptyList(), null));
    }
    IMXMLTagData offsetTag = getOffsetMXMLTag(position);
    if (offsetTag != null) {
        IASNode embeddedNode = getEmbeddedActionScriptNodeInMXMLTag(offsetTag, currentOffset, position);
        if (embeddedNode != null) {
            return actionScriptHoverWithNode(position, embeddedNode);
        }
        //so that's why we call isMXMLTagValidForCompletion()
        if (isMXMLTagValidForCompletion(offsetTag)) {
            return mxmlHover(position, offsetTag);
        }
    }
    return actionScriptHover(position);
}

Example 5 with IMXMLTagData

use of org.apache.flex.compiler.mxml.IMXMLTagData in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method signatureHelp.

/**
     * Displays a function's parameters, including which one is currently
     * active. Called automatically by VSCode any time that the user types "(",
     * so be sure to check that a function call is actually happening at the
     * current position.
     */
@Override
public CompletableFuture<SignatureHelp> signatureHelp(TextDocumentPositionParams position) {
    String textDocumentUri = position.getTextDocument().getUri();
    if (!textDocumentUri.endsWith(AS_EXTENSION) && !textDocumentUri.endsWith(MXML_EXTENSION)) {
        //we couldn't find a node at the specified location
        return CompletableFuture.completedFuture(new SignatureHelp(Collections.emptyList(), -1, -1));
    }
    IASNode offsetNode = null;
    IMXMLTagData offsetTag = getOffsetMXMLTag(position);
    if (offsetTag != null) {
        IMXMLTagAttributeData attributeData = getMXMLTagAttributeWithValueAtOffset(offsetTag, currentOffset);
        if (attributeData != null) {
            //some attributes can have ActionScript completion, such as
            //events and properties with data binding
            IClassDefinition tagDefinition = (IClassDefinition) currentProject.resolveXMLNameToDefinition(offsetTag.getXMLName(), offsetTag.getMXMLDialect());
            IDefinition attributeDefinition = currentProject.resolveSpecifier(tagDefinition, attributeData.getShortName());
            if (attributeDefinition instanceof IEventDefinition) {
                IMXMLInstanceNode mxmlNode = (IMXMLInstanceNode) getOffsetNode(position);
                IMXMLEventSpecifierNode eventNode = mxmlNode.getEventSpecifierNode(attributeData.getShortName());
                for (IASNode asNode : eventNode.getASNodes()) {
                    IASNode containingNode = getContainingNodeIncludingStart(asNode, currentOffset);
                    if (containingNode != null) {
                        offsetNode = containingNode;
                    }
                }
                if (offsetNode == null) {
                    offsetNode = eventNode;
                }
            }
        }
    }
    if (offsetNode == null) {
        offsetNode = getOffsetNode(position);
    }
    if (offsetNode == null) {
        //we couldn't find a node at the specified location
        return CompletableFuture.completedFuture(new SignatureHelp(Collections.emptyList(), -1, -1));
    }
    IFunctionCallNode functionCallNode = getAncestorFunctionCallNode(offsetNode);
    IFunctionDefinition functionDefinition = null;
    if (functionCallNode != null) {
        IExpressionNode nameNode = functionCallNode.getNameNode();
        IDefinition definition = nameNode.resolve(currentUnit.getProject());
        if (definition instanceof IFunctionDefinition) {
            functionDefinition = (IFunctionDefinition) definition;
        } else if (definition instanceof IClassDefinition) {
            IClassDefinition classDefinition = (IClassDefinition) definition;
            functionDefinition = classDefinition.getConstructor();
        } else if (nameNode instanceof IIdentifierNode) {
            //special case for super()
            IIdentifierNode identifierNode = (IIdentifierNode) nameNode;
            if (identifierNode.getName().equals(IASKeywordConstants.SUPER)) {
                ITypeDefinition typeDefinition = nameNode.resolveType(currentProject);
                if (typeDefinition instanceof IClassDefinition) {
                    IClassDefinition classDefinition = (IClassDefinition) typeDefinition;
                    functionDefinition = classDefinitionToConstructor(classDefinition);
                }
            }
        }
    }
    if (functionDefinition != null) {
        SignatureHelp result = new SignatureHelp();
        List<SignatureInformation> signatures = new ArrayList<>();
        SignatureInformation signatureInfo = new SignatureInformation();
        signatureInfo.setLabel(getSignatureLabel(functionDefinition));
        List<ParameterInformation> parameters = new ArrayList<>();
        for (IParameterDefinition param : functionDefinition.getParameters()) {
            ParameterInformation paramInfo = new ParameterInformation();
            paramInfo.setLabel(param.getBaseName());
            parameters.add(paramInfo);
        }
        signatureInfo.setParameters(parameters);
        signatures.add(signatureInfo);
        result.setSignatures(signatures);
        result.setActiveSignature(0);
        int index = getFunctionCallNodeArgumentIndex(functionCallNode, offsetNode);
        IParameterDefinition[] params = functionDefinition.getParameters();
        int paramCount = params.length;
        if (paramCount > 0 && index >= paramCount) {
            if (index >= paramCount) {
                IParameterDefinition lastParam = params[paramCount - 1];
                if (lastParam.isRest()) {
                    //functions with rest parameters may accept any
                    //number of arguments, so continue to make the rest
                    //parameter active
                    index = paramCount - 1;
                } else {
                    //if there's no rest parameter, and we're beyond the
                    //final parameter, none should be active
                    index = -1;
                }
            }
        }
        if (index != -1) {
            result.setActiveParameter(index);
        }
        return CompletableFuture.completedFuture(result);
    }
    return CompletableFuture.completedFuture(new SignatureHelp(Collections.emptyList(), -1, -1));
}