mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-12 12:45:27 +03:00
nixos-gui:
- Reduce the number of call the nix-instantiate. - Improve the option panel, show the name, type, description, value, example, default value, declarations and definitions files. svn path=/nixos/trunk/; revision=26951
This commit is contained in:
Nicolas Pierron
parent
66eed7681d
commit
97b39bd17c
4 changed files with 225 additions and 55 deletions
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@ -45,65 +45,78 @@ Option.prototype = {
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env += "'NIXOS_PKGS=" + this.context_.root + this.context_.nixpkgs + "' ";
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env += "'NIXOS_CONFIG=" + this.context_.config + "' ";
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var out = makeTempFile(this.context_.tmpFile);
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var prog = this.context_.instantiateBin + " 2>&1 >" + out.path + " ";
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var args = "";
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args += " -A eval.options" + (this.path != "" ? "." : "") + this.path;
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args += " --eval-only --xml --no-location";
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args += " '" + this.context_.root + this.context_.nixos + "'";
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var prog = this.context_.optionBin + " 2>&1 >" + out.path + " ";
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var args = " --xml " + this.path;
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runProgram(/*env +*/ prog + args);
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runProgram(/*env + */ prog + args);
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var xml = readFromFile(out);
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out.remove(false);
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// jQuery does a stack overflow when converting a huge XML to a DOM.
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var dom = DOMParser().parseFromString(xml, "text/xml");
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var xmlAttrs = $("attr", dom);
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var xmlAttrs = $("expr > attrs > attr", dom);
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this.isOption = xmlAttrs
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.filter (
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function (idx) {
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return $(this).attr("name") == "_type";
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// !!! We could not rely on the value of the attribute because it
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// !!! may be unevaluated.
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// $(this).children("string[value='option']").length != 0;
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})
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.length != 0;
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this.isOption = xmlAttrs.first().attr("name") == "_isOption";
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if (!this.isOption)
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{
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var cur = this;
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var attrs = new Array();
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xmlAttrs.each(
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function (index) {
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var name = $(this).attr("name");
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var attr = new Option(name, cur.context_, cur);
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attrs.push(attr);
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}
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);
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this.subOptions = attrs;
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}
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this.loadSubOptions(xmlAttrs);
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else
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{
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this.loadDesc();
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// TODO: handle sub-options here.
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}
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this.loadOption(xmlAttrs);
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this.isLoaded = true;
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},
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loadDesc: function () {
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var env = "";
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env += "'NIXOS=" + this.context_.root + this.context_.nixos + "' ";
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env += "'NIXOS_PKGS=" + this.context_.root + this.context_.nixpkgs + "' ";
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env += "'NIXOS_CONFIG=" + this.context_.config + "' ";
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var out = makeTempFile(this.context_.tmpFile);
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var prog = this.context_.optionBin + " 2>&1 >" + out.path + " ";
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var args = " -vdl " + this.path;
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loadSubOptions: function (xmlAttrs) {
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var cur = this;
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var attrs = new Array();
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runProgram(/*env + */ prog + args);
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this.description = readFromFile(out);
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out.remove(false);
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xmlAttrs.each(
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function (index) {
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var name = $(this).attr("name");
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var attr = new Option(name, cur.context_, cur);
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attrs.push(attr);
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}
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);
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this.subOptions = attrs;
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},
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optionAttributeMap: {
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_isOption: function (cur, v) { },
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value: function (cur, v) { cur.value = xml2nix($(v).children().first()); },
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default: function (cur, v) { cur.defaultValue = xml2nix($(v).children().first()); },
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example: function (cur, v) { cur.example = xml2nix($(v).children().first()); },
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description: function (cur, v) { cur.description = this.string(v); },
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typename: function (cur, v) { cur.typename = this.string(v); },
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options: function (cur, v) { cur.loadSubOptions($("attrs", v).children()); },
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declarations: function (cur, v) { cur.declarations = this.pathList(v); },
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definitions: function (cur, v) { cur.definitions = this.pathList(v); },
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string: function (v) {
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return $(v).children("string").first().attr("value");
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},
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pathList: function (v) {
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var list = [];
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$(v).children("list").first().children().each(
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function (idx) {
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list.push($(this).attr("value"));
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}
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);
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return list;
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}
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},
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loadOption: function (attrs) {
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var cur = this;
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attrs.each(
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function (index) {
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var name = $(this).attr("name");
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log("loadOption: " + name);
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cur.optionAttributeMap[name](cur, this);
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}
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);
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},
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// keep the context under which this option has been used.
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@ -111,7 +124,13 @@ Option.prototype = {
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// name of the option.
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name: "",
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// result of nixos-option.
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value: null,
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typename: null,
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defaultValue: null,
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example: null,
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description: "",
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declarations: [],
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definitions: [],
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// path to reach this option
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path: "",
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@ -121,6 +140,107 @@ Option.prototype = {
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subOptions: []
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};
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var xml2nix_pptable = {
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attrs: function (node, depth, pp) {
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var out = "";
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out += "{";
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var children = node.children().not(
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function () {
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var name = $(this).attr("name");
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return name.charAt(0) == "_";
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}
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);
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if (children.lenght != 0)
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{
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depth += 1;
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children.each(
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function (idx) { out += pp.dispatch($(this), depth, pp); }
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);
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depth -= 1;
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out += this.indent(depth) + "";
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}
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else
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out += " ";
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out += "}";
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return out;
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},
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list: function (node, depth, pp) {
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var out = "";
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out += "[";
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var children = node.children();
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if (children.lenght != 0)
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{
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depth += 1;
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children.each(
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function (idx) { out += pp.dispatch($(this), depth, pp); }
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);
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depth -= 1;
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out += this.indent(depth);
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}
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else
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out += " ";
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out += "]";
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return out;
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},
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attr: function (node, depth, pp) {
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var name = node.attr("name");
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var out = "";
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var val = "";
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out += this.indent(depth);
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out += name + " = ";
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depth += 1;
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val = pp.dispatch(node.children().first(), depth, pp);
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out += val;
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if (val.indexOf("\n") != -1)
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out += this.indent(depth);;
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depth -= 1;
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out += ";";
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return out;
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},
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string: function (node, depth, pp) {
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return "\"" + node.attr("value") + "\"";
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},
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bool: function (node, depth, pp) {
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return node.attr("value");
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},
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null: function (node, depth, pp) {
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return "null";
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},
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function: function (node, depth, pp) {
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return "<function>";
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},
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unevaluated: function (node, depth, pp) {
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return "<unevaluated>";
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},
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dispatch: function (node, depth, pp) {
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for (var key in pp)
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{
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if(node.is(key))
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{
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log(this.indent(depth) + "dispatch: " + key);
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var out = pp[key](node, depth, pp);
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log(this.indent(depth) + "dispatch: => " + out);
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return out;
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}
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}
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return "<dispatch-error>";
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},
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indent: function (depth) {
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var ret = "\n";
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while (depth--)
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ret += " ";
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return ret;
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}
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};
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function xml2nix(node) {
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var depth = 0;
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var pp = xml2nix_pptable;
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var out = pp.dispatch(node, depth, pp);
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log("pretty:\n" + out);
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return out;
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}
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/*
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// Pretty print Nix values.
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