358 lines
13 KiB
JavaScript
358 lines
13 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror", "../htmlmixed/htmlmixed"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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var indentingTags = ["template", "literal", "msg", "fallbackmsg", "let", "if", "elseif",
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"else", "switch", "case", "default", "foreach", "ifempty", "for",
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"call", "param", "deltemplate", "delcall", "log"];
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CodeMirror.defineMode("soy", function(config) {
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var textMode = CodeMirror.getMode(config, "text/plain");
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var modes = {
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html: CodeMirror.getMode(config, {name: "text/html", multilineTagIndentFactor: 2, multilineTagIndentPastTag: false}),
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attributes: textMode,
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text: textMode,
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uri: textMode,
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trusted_resource_uri: textMode,
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css: CodeMirror.getMode(config, "text/css"),
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js: CodeMirror.getMode(config, {name: "text/javascript", statementIndent: 2 * config.indentUnit})
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};
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function last(array) {
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return array[array.length - 1];
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}
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function tokenUntil(stream, state, untilRegExp) {
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if (stream.sol()) {
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for (var indent = 0; indent < state.indent; indent++) {
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if (!stream.eat(/\s/)) break;
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}
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if (indent) return null;
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}
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var oldString = stream.string;
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var match = untilRegExp.exec(oldString.substr(stream.pos));
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if (match) {
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// We don't use backUp because it backs up just the position, not the state.
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// This uses an undocumented API.
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stream.string = oldString.substr(0, stream.pos + match.index);
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}
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var result = stream.hideFirstChars(state.indent, function() {
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var localState = last(state.localStates);
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return localState.mode.token(stream, localState.state);
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});
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stream.string = oldString;
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return result;
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}
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function contains(list, element) {
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while (list) {
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if (list.element === element) return true;
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list = list.next;
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}
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return false;
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}
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function prepend(list, element) {
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return {
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element: element,
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next: list
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};
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}
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// Reference a variable `name` in `list`.
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// Let `loose` be truthy to ignore missing identifiers.
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function ref(list, name, loose) {
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return contains(list, name) ? "variable-2" : (loose ? "variable" : "variable-2 error");
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}
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function popscope(state) {
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if (state.scopes) {
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state.variables = state.scopes.element;
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state.scopes = state.scopes.next;
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}
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}
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return {
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startState: function() {
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return {
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kind: [],
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kindTag: [],
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soyState: [],
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templates: null,
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variables: prepend(null, 'ij'),
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scopes: null,
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indent: 0,
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quoteKind: null,
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localStates: [{
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mode: modes.html,
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state: CodeMirror.startState(modes.html)
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}]
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};
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},
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copyState: function(state) {
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return {
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tag: state.tag, // Last seen Soy tag.
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kind: state.kind.concat([]), // Values of kind="" attributes.
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kindTag: state.kindTag.concat([]), // Opened tags with kind="" attributes.
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soyState: state.soyState.concat([]),
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templates: state.templates,
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variables: state.variables,
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scopes: state.scopes,
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indent: state.indent, // Indentation of the following line.
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quoteKind: state.quoteKind,
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localStates: state.localStates.map(function(localState) {
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return {
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mode: localState.mode,
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state: CodeMirror.copyState(localState.mode, localState.state)
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};
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})
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};
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},
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token: function(stream, state) {
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var match;
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switch (last(state.soyState)) {
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case "comment":
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if (stream.match(/^.*?\*\//)) {
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state.soyState.pop();
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} else {
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stream.skipToEnd();
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}
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if (!state.scopes) {
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var paramRe = /@param\??\s+(\S+)/g;
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var current = stream.current();
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for (var match; (match = paramRe.exec(current)); ) {
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state.variables = prepend(state.variables, match[1]);
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}
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}
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return "comment";
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case "string":
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var match = stream.match(/^.*?(["']|\\[\s\S])/);
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if (!match) {
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stream.skipToEnd();
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} else if (match[1] == state.quoteKind) {
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state.quoteKind = null;
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state.soyState.pop();
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}
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return "string";
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}
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if (!state.soyState.length || last(state.soyState) != "literal") {
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if (stream.match(/^\/\*/)) {
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state.soyState.push("comment");
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return "comment";
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} else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
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return "comment";
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}
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}
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switch (last(state.soyState)) {
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case "templ-def":
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if (match = stream.match(/^\.?([\w]+(?!\.[\w]+)*)/)) {
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state.templates = prepend(state.templates, match[1]);
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state.scopes = prepend(state.scopes, state.variables);
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state.soyState.pop();
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return "def";
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}
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stream.next();
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return null;
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case "templ-ref":
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if (match = stream.match(/^\.?([\w]+)/)) {
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state.soyState.pop();
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// If the first character is '.', try to match against a local template name.
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if (match[0][0] == '.') {
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return ref(state.templates, match[1], true);
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}
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// Otherwise
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return "variable";
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}
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stream.next();
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return null;
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case "param-def":
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if (match = stream.match(/^\w+/)) {
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state.variables = prepend(state.variables, match[0]);
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state.soyState.pop();
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state.soyState.push("param-type");
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return "def";
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}
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stream.next();
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return null;
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case "param-type":
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if (stream.peek() == "}") {
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state.soyState.pop();
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return null;
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}
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if (stream.eatWhile(/^[\w]+/)) {
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return "variable-3";
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}
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stream.next();
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return null;
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case "var-def":
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if (match = stream.match(/^\$([\w]+)/)) {
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state.variables = prepend(state.variables, match[1]);
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state.soyState.pop();
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return "def";
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}
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stream.next();
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return null;
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case "tag":
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if (stream.match(/^\/?}/)) {
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if (state.tag == "/template" || state.tag == "/deltemplate") {
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popscope(state);
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state.variables = prepend(null, 'ij');
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state.indent = 0;
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} else {
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if (state.tag == "/for" || state.tag == "/foreach") {
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popscope(state);
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}
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state.indent -= config.indentUnit *
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(stream.current() == "/}" || indentingTags.indexOf(state.tag) == -1 ? 2 : 1);
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}
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state.soyState.pop();
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return "keyword";
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} else if (stream.match(/^([\w?]+)(?==)/)) {
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if (stream.current() == "kind" && (match = stream.match(/^="([^"]+)/, false))) {
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var kind = match[1];
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state.kind.push(kind);
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state.kindTag.push(state.tag);
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var mode = modes[kind] || modes.html;
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var localState = last(state.localStates);
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if (localState.mode.indent) {
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state.indent += localState.mode.indent(localState.state, "");
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}
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state.localStates.push({
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mode: mode,
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state: CodeMirror.startState(mode)
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});
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}
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return "attribute";
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} else if (match = stream.match(/^["']/)) {
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state.soyState.push("string");
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state.quoteKind = match;
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return "string";
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}
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if (match = stream.match(/^\$([\w]+)/)) {
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return ref(state.variables, match[1]);
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}
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if (match = stream.match(/^\w+/)) {
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return /^(?:as|and|or|not|in)$/.test(match[0]) ? "keyword" : null;
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}
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stream.next();
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return null;
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case "literal":
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if (stream.match(/^(?=\{\/literal})/)) {
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state.indent -= config.indentUnit;
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state.soyState.pop();
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return this.token(stream, state);
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}
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return tokenUntil(stream, state, /\{\/literal}/);
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}
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if (stream.match(/^\{literal}/)) {
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state.indent += config.indentUnit;
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state.soyState.push("literal");
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return "keyword";
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// A tag-keyword must be followed by whitespace, comment or a closing tag.
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} else if (match = stream.match(/^\{([\/@\\]?\w+\??)(?=[\s\}]|\/[/*])/)) {
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if (match[1] != "/switch")
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state.indent += (/^(\/|(else|elseif|ifempty|case|fallbackmsg|default)$)/.test(match[1]) && state.tag != "switch" ? 1 : 2) * config.indentUnit;
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state.tag = match[1];
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if (state.tag == "/" + last(state.kindTag)) {
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// We found the tag that opened the current kind="".
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state.kind.pop();
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state.kindTag.pop();
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state.localStates.pop();
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var localState = last(state.localStates);
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if (localState.mode.indent) {
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state.indent -= localState.mode.indent(localState.state, "");
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}
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}
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state.soyState.push("tag");
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if (state.tag == "template" || state.tag == "deltemplate") {
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state.soyState.push("templ-def");
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} else if (state.tag == "call" || state.tag == "delcall") {
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state.soyState.push("templ-ref");
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} else if (state.tag == "let") {
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state.soyState.push("var-def");
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} else if (state.tag == "for" || state.tag == "foreach") {
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state.scopes = prepend(state.scopes, state.variables);
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state.soyState.push("var-def");
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} else if (state.tag == "namespace") {
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if (!state.scopes) {
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state.variables = prepend(null, 'ij');
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}
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} else if (state.tag.match(/^@(?:param\??|inject)/)) {
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state.soyState.push("param-def");
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}
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return "keyword";
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// Not a tag-keyword; it's an implicit print tag.
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} else if (stream.eat('{')) {
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state.tag = "print";
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state.indent += 2 * config.indentUnit;
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state.soyState.push("tag");
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return "keyword";
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}
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return tokenUntil(stream, state, /\{|\s+\/\/|\/\*/);
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},
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indent: function(state, textAfter) {
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var indent = state.indent, top = last(state.soyState);
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if (top == "comment") return CodeMirror.Pass;
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if (top == "literal") {
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if (/^\{\/literal}/.test(textAfter)) indent -= config.indentUnit;
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} else {
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if (/^\s*\{\/(template|deltemplate)\b/.test(textAfter)) return 0;
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if (/^\{(\/|(fallbackmsg|elseif|else|ifempty)\b)/.test(textAfter)) indent -= config.indentUnit;
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if (state.tag != "switch" && /^\{(case|default)\b/.test(textAfter)) indent -= config.indentUnit;
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if (/^\{\/switch\b/.test(textAfter)) indent -= config.indentUnit;
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}
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var localState = last(state.localStates);
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if (indent && localState.mode.indent) {
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indent += localState.mode.indent(localState.state, textAfter);
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}
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return indent;
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},
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innerMode: function(state) {
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if (state.soyState.length && last(state.soyState) != "literal") return null;
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else return last(state.localStates);
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},
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electricInput: /^\s*\{(\/|\/template|\/deltemplate|\/switch|fallbackmsg|elseif|else|case|default|ifempty|\/literal\})$/,
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lineComment: "//",
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blockCommentStart: "/*",
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blockCommentEnd: "*/",
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blockCommentContinue: " * ",
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useInnerComments: false,
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fold: "indent"
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};
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}, "htmlmixed");
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CodeMirror.registerHelper("hintWords", "soy", indentingTags.concat(
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["delpackage", "namespace", "alias", "print", "css", "debugger"]));
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CodeMirror.defineMIME("text/x-soy", "soy");
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});
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