forked from OSchip/llvm-project
88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
// Append using posix-style a file name or directory to Base
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function append(Base, New) {
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if (!New)
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return Base;
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if (Base)
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Base += "/";
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Base += New;
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return Base;
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}
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// Get relative path to access FilePath from CurrentDirectory
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function computeRelativePath(FilePath, CurrentDirectory) {
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var Path = FilePath;
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while (Path) {
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if (CurrentDirectory == Path)
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return FilePath.substring(Path.length + 1);
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Path = Path.substring(0, Path.lastIndexOf("/"));
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}
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var Dir = CurrentDirectory;
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var Result = "";
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while (Dir) {
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if (Dir == FilePath)
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break;
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Dir = Dir.substring(0, Dir.lastIndexOf("/"));
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Result = append(Result, "..")
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}
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Result = append(Result, FilePath.substring(Dir.length))
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return Result;
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}
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function genLink(Ref, CurrentDirectory) {
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var Path = computeRelativePath(Ref.Path, CurrentDirectory);
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if (Ref.RefType == "namespace")
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Path = append(Path, "index.html");
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else
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Path = append(Path, Ref.Name + ".html")
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ANode = document.createElement("a");
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ANode.setAttribute("href", Path);
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var TextNode = document.createTextNode(Ref.Name);
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ANode.appendChild(TextNode);
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return ANode;
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}
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function genHTMLOfIndex(Index, CurrentDirectory, IsOutermostList) {
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// Out will store the HTML elements that Index requires to be generated
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var Out = [];
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if (Index.Name) {
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var SpanNode = document.createElement("span");
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var TextNode = document.createTextNode(Index.Name);
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SpanNode.appendChild(genLink(Index, CurrentDirectory));
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Out.push(SpanNode);
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}
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if (Index.Children.length == 0)
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return Out;
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// Only the outermost list should use ol, the others should use ul
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var ListNodeName = IsOutermostList ? "ol" : "ul";
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var ListNode = document.createElement(ListNodeName);
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for (Child of Index.Children) {
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var LiNode = document.createElement("li");
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ChildNodes = genHTMLOfIndex(Child, CurrentDirectory, false);
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for (Node of ChildNodes)
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LiNode.appendChild(Node);
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ListNode.appendChild(LiNode);
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}
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Out.push(ListNode);
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return Out;
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}
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function createIndex(Index) {
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// Get the DOM element where the index will be created
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var IndexDiv = document.getElementById("sidebar-left");
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// Get the relative path of this file
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CurrentDirectory = IndexDiv.getAttribute("path");
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var IndexNodes = genHTMLOfIndex(Index, CurrentDirectory, true);
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for (Node of IndexNodes)
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IndexDiv.appendChild(Node);
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}
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// Runs after DOM loads
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document.addEventListener("DOMContentLoaded", function() {
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// JsonIndex is a variable from another file that contains the index
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// in JSON format
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var Index = JSON.parse(JsonIndex);
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createIndex(Index);
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});
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