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Basic configuration for the CodeMirror code editor
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "../htmlmixed/htmlmixed"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var paramData = { noEndTag: true, soyState: "param-def" };
var tags = {
"alias": { noEndTag: true },
"delpackage": { noEndTag: true },
"namespace": { noEndTag: true, soyState: "namespace-def" },
"@attribute": paramData,
"@attribute?": paramData,
"@param": paramData,
"@param?": paramData,
"@inject": paramData,
"@inject?": paramData,
"@state": paramData,
"template": { soyState: "templ-def", variableScope: true},
"extern": {soyState: "param-def"},
"export": {soyState: "export"},
"literal": { },
"msg": {},
"fallbackmsg": { noEndTag: true, reduceIndent: true},
"select": {},
"plural": {},
"let": { soyState: "var-def" },
"if": {},
"javaimpl": {},
"jsimpl": {},
"elseif": { noEndTag: true, reduceIndent: true},
"else": { noEndTag: true, reduceIndent: true},
"switch": {},
"case": { noEndTag: true, reduceIndent: true},
"default": { noEndTag: true, reduceIndent: true},
"foreach": { variableScope: true, soyState: "for-loop" },
"ifempty": { noEndTag: true, reduceIndent: true},
"for": { variableScope: true, soyState: "for-loop" },
"call": { soyState: "templ-ref" },
"param": { soyState: "param-ref"},
"print": { noEndTag: true },
"deltemplate": { soyState: "templ-def", variableScope: true},
"delcall": { soyState: "templ-ref" },
"log": {},
"element": { variableScope: true },
"velog": {},
"const": { soyState: "const-def"},
};
var indentingTags = Object.keys(tags).filter(function(tag) {
return !tags[tag].noEndTag || tags[tag].reduceIndent;
});
CodeMirror.defineMode("soy", function(config) {
var textMode = CodeMirror.getMode(config, "text/plain");
var modes = {
html: CodeMirror.getMode(config, {name: "text/html", multilineTagIndentFactor: 2, multilineTagIndentPastTag: false, allowMissingTagName: true}),
attributes: textMode,
text: textMode,
uri: textMode,
trusted_resource_uri: textMode,
css: CodeMirror.getMode(config, "text/css"),
js: CodeMirror.getMode(config, {name: "text/javascript", statementIndent: 2 * config.indentUnit})
};
function last(array) {
return array[array.length - 1];
}
function tokenUntil(stream, state, untilRegExp) {
if (stream.sol()) {
for (var indent = 0; indent < state.indent; indent++) {
if (!stream.eat(/\s/)) break;
}
if (indent) return null;
}
var oldString = stream.string;
var match = untilRegExp.exec(oldString.substr(stream.pos));
if (match) {
// We don't use backUp because it backs up just the position, not the state.
// This uses an undocumented API.
stream.string = oldString.substr(0, stream.pos + match.index);
}
var result = stream.hideFirstChars(state.indent, function() {
var localState = last(state.localStates);
return localState.mode.token(stream, localState.state);
});
stream.string = oldString;
return result;
}
function contains(list, element) {
while (list) {
if (list.element === element) return true;
list = list.next;
}
return false;
}
function prepend(list, element) {
return {
element: element,
next: list
};
}
function popcontext(state) {
if (!state.context) return;
if (state.context.scope) {
state.variables = state.context.scope;
}
state.context = state.context.previousContext;
}
// Reference a variable `name` in `list`.
// Let `loose` be truthy to ignore missing identifiers.
function ref(list, name, loose) {
return contains(list, name) ? "variable-2" : (loose ? "variable" : "variable-2 error");
}
// Data for an open soy tag.
function Context(previousContext, tag, scope) {
this.previousContext = previousContext;
this.tag = tag;
this.kind = null;
this.scope = scope;
}
function expression(stream, state) {
var match;
if (stream.match(/[[]/)) {
state.soyState.push("list-literal");
state.context = new Context(state.context, "list-literal", state.variables);
state.lookupVariables = false;
return null;
} else if (stream.match(/\bmap(?=\()/)) {
state.soyState.push("map-literal");
return "keyword";
} else if (stream.match(/\brecord(?=\()/)) {
state.soyState.push("record-literal");
return "keyword";
} else if (stream.match(/([\w]+)(?=\()/)) {
return "variable callee";
} else if (match = stream.match(/^["']/)) {
state.soyState.push("string");
state.quoteKind = match[0];
return "string";
} else if (stream.match(/^[(]/)) {
state.soyState.push("open-parentheses");
return null;
} else if (stream.match(/(null|true|false)(?!\w)/) ||
stream.match(/0x([0-9a-fA-F]{2,})/) ||
stream.match(/-?([0-9]*[.])?[0-9]+(e[0-9]*)?/)) {
return "atom";
} else if (stream.match(/(\||[+\-*\/%]|[=!]=|\?:|[<>]=?)/)) {
// Tokenize filter, binary, null propagator, and equality operators.
return "operator";
} else if (match = stream.match(/^\$([\w]+)/)) {
return ref(state.variables, match[1], !state.lookupVariables);
} else if (match = stream.match(/^\w+/)) {
return /^(?:as|and|or|not|in|if)$/.test(match[0]) ? "keyword" : null;
}
stream.next();
return null;
}
return {
startState: function() {
return {
soyState: [],
variables: prepend(null, 'ij'),
scopes: null,
indent: 0,
quoteKind: null,
context: null,
lookupVariables: true, // Is unknown variables considered an error
localStates: [{
mode: modes.html,
state: CodeMirror.startState(modes.html)
}]
};
},
copyState: function(state) {
return {
tag: state.tag, // Last seen Soy tag.
soyState: state.soyState.concat([]),
variables: state.variables,
context: state.context,
indent: state.indent, // Indentation of the following line.
quoteKind: state.quoteKind,
lookupVariables: state.lookupVariables,
localStates: state.localStates.map(function(localState) {
return {
mode: localState.mode,
state: CodeMirror.copyState(localState.mode, localState.state)
};
})
};
},
token: function(stream, state) {
var match;
switch (last(state.soyState)) {
case "comment":
if (stream.match(/^.*?\*\//)) {
state.soyState.pop();
} else {
stream.skipToEnd();
}
if (!state.context || !state.context.scope) {
var paramRe = /@param\??\s+(\S+)/g;
var current = stream.current();
for (var match; (match = paramRe.exec(current)); ) {
state.variables = prepend(state.variables, match[1]);
}
}
return "comment";
case "string":
var match = stream.match(/^.*?(["']|\\[\s\S])/);
if (!match) {
stream.skipToEnd();
} else if (match[1] == state.quoteKind) {
state.quoteKind = null;
state.soyState.pop();
}
return "string";
}
if (!state.soyState.length || last(state.soyState) != "literal") {
if (stream.match(/^\/\*/)) {
state.soyState.push("comment");
return "comment";
} else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
return "comment";
}
}
switch (last(state.soyState)) {
case "templ-def":
if (match = stream.match(/^\.?([\w]+(?!\.[\w]+)*)/)) {
state.soyState.pop();
return "def";
}
stream.next();
return null;
case "templ-ref":
if (match = stream.match(/(\.?[a-zA-Z_][a-zA-Z_0-9]+)+/)) {
state.soyState.pop();
// If the first character is '.', it can only be a local template.
if (match[0][0] == '.') {
return "variable-2"
}
// Otherwise
return "variable";
}
if (match = stream.match(/^\$([\w]+)/)) {
state.soyState.pop();
return ref(state.variables, match[1], !state.lookupVariables);
}
stream.next();
return null;
case "namespace-def":
if (match = stream.match(/^\.?([\w\.]+)/)) {
state.soyState.pop();
return "variable";
}
stream.next();
return null;
case "param-def":
if (match = stream.match(/^\*/)) {
state.soyState.pop();
state.soyState.push("param-type");
return "type";
}
if (match = stream.match(/^\w+/)) {
state.variables = prepend(state.variables, match[0]);
state.soyState.pop();
state.soyState.push("param-type");
return "def";
}
stream.next();
return null;
case "param-ref":
if (match = stream.match(/^\w+/)) {
state.soyState.pop();
return "property";
}
stream.next();
return null;
case "open-parentheses":
if (stream.match(/[)]/)) {
state.soyState.pop();
return null;
}
return expression(stream, state);
case "param-type":
var peekChar = stream.peek();
if ("}]=>,".indexOf(peekChar) != -1) {
state.soyState.pop();
return null;
} else if (peekChar == "[") {
state.soyState.push('param-type-record');
return null;
} else if (peekChar == "(") {
state.soyState.push('param-type-template');
return null;
} else if (peekChar == "<") {
state.soyState.push('param-type-parameter');
return null;
} else if (match = stream.match(/^([\w]+|[?])/)) {
return "type";
}
stream.next();
return null;
case "param-type-record":
var peekChar = stream.peek();
if (peekChar == "]") {
state.soyState.pop();
return null;
}
if (stream.match(/^\w+/)) {
state.soyState.push('param-type');
return "property";
}
stream.next();
return null;
case "param-type-parameter":
if (stream.match(/^[>]/)) {
state.soyState.pop();
return null;
}
if (stream.match(/^[<,]/)) {
state.soyState.push('param-type');
return null;
}
stream.next();
return null;
case "param-type-template":
if (stream.match(/[>]/)) {
state.soyState.pop();
state.soyState.push('param-type');
return null;
}
if (stream.match(/^\w+/)) {
state.soyState.push('param-type');
return "def";
}
stream.next();
return null;
case "var-def":
if (match = stream.match(/^\$([\w]+)/)) {
state.variables = prepend(state.variables, match[1]);
state.soyState.pop();
return "def";
}
stream.next();
return null;
case "for-loop":
if (stream.match(/\bin\b/)) {
state.soyState.pop();
return "keyword";
}
if (stream.peek() == "$") {
state.soyState.push('var-def');
return null;
}
stream.next();
return null;
case "record-literal":
if (stream.match(/^[)]/)) {
state.soyState.pop();
return null;
}
if (stream.match(/[(,]/)) {
state.soyState.push("map-value")
state.soyState.push("record-key")
return null;
}
stream.next()
return null;
case "map-literal":
if (stream.match(/^[)]/)) {
state.soyState.pop();
return null;
}
if (stream.match(/[(,]/)) {
state.soyState.push("map-value")
state.soyState.push("map-value")
return null;
}
stream.next()
return null;
case "list-literal":
if (stream.match(']')) {
state.soyState.pop();
state.lookupVariables = true;
popcontext(state);
return null;
}
if (stream.match(/\bfor\b/)) {
state.lookupVariables = true;
state.soyState.push('for-loop');
return "keyword";
}
return expression(stream, state);
case "record-key":
if (stream.match(/[\w]+/)) {
return "property";
}
if (stream.match(/^[:]/)) {
state.soyState.pop();
return null;
}
stream.next();
return null;
case "map-value":
if (stream.peek() == ")" || stream.peek() == "," || stream.match(/^[:)]/)) {
state.soyState.pop();
return null;
}
return expression(stream, state);
case "import":
if (stream.eat(";")) {
state.soyState.pop();
state.indent -= 2 * config.indentUnit;
return null;
}
if (stream.match(/\w+(?=\s+as\b)/)) {
return "variable";
}
if (match = stream.match(/\w+/)) {
return /\b(from|as)\b/.test(match[0]) ? "keyword" : "def";
}
if (match = stream.match(/^["']/)) {
state.soyState.push("string");
state.quoteKind = match[0];
return "string";
}
stream.next();
return null;
case "tag":
var endTag;
var tagName;
if (state.tag === undefined) {
endTag = true;
tagName = '';
} else {
endTag = state.tag[0] == "/";
tagName = endTag ? state.tag.substring(1) : state.tag;
}
var tag = tags[tagName];
if (stream.match(/^\/?}/)) {
var selfClosed = stream.current() == "/}";
if (selfClosed && !endTag) {
popcontext(state);
}
if (state.tag == "/template" || state.tag == "/deltemplate") {
state.variables = prepend(null, 'ij');
state.indent = 0;
} else {
state.indent -= config.indentUnit *
(selfClosed || indentingTags.indexOf(state.tag) == -1 ? 2 : 1);
}
state.soyState.pop();
return "keyword";
} else if (stream.match(/^([\w?]+)(?==)/)) {
if (state.context && state.context.tag == tagName && stream.current() == "kind" && (match = stream.match(/^="([^"]+)/, false))) {
var kind = match[1];
state.context.kind = kind;
var mode = modes[kind] || modes.html;
var localState = last(state.localStates);
if (localState.mode.indent) {
state.indent += localState.mode.indent(localState.state, "", "");
}
state.localStates.push({
mode: mode,
state: CodeMirror.startState(mode)
});
}
return "attribute";
}
return expression(stream, state);
case "template-call-expression":
if (stream.match(/^([\w-?]+)(?==)/)) {
return "attribute";
} else if (stream.eat('>')) {
state.soyState.pop();
return "keyword";
} else if (stream.eat('/>')) {
state.soyState.pop();
return "keyword";
}
return expression(stream, state);
case "literal":
if (stream.match('{/literal}', false)) {
state.soyState.pop();
return this.token(stream, state);
}
return tokenUntil(stream, state, /\{\/literal}/);
case "export":
if (match = stream.match(/\w+/)) {
state.soyState.pop();
if (match == "const") {
state.soyState.push("const-def")
return "keyword";
} else if (match == "extern") {
state.soyState.push("param-def")
return "keyword";
}
} else {
stream.next();
}
return null;
case "const-def":
if (stream.match(/^\w+/)) {
state.soyState.pop();
return "def";
}
stream.next();
return null;
}
if (stream.match('{literal}')) {
state.indent += config.indentUnit;
state.soyState.push("literal");
state.context = new Context(state.context, "literal", state.variables);
return "keyword";
// A tag-keyword must be followed by whitespace, comment or a closing tag.
} else if (match = stream.match(/^\{([/@\\]?\w+\??)(?=$|[\s}]|\/[/*])/)) {
var prevTag = state.tag;
state.tag = match[1];
var endTag = state.tag[0] == "/";
var indentingTag = !!tags[state.tag];
var tagName = endTag ? state.tag.substring(1) : state.tag;
var tag = tags[tagName];
if (state.tag != "/switch")
state.indent += ((endTag || tag && tag.reduceIndent) && prevTag != "switch" ? 1 : 2) * config.indentUnit;
state.soyState.push("tag");
var tagError = false;
if (tag) {
if (!endTag) {
if (tag.soyState) state.soyState.push(tag.soyState);
}
// If a new tag, open a new context.
if (!tag.noEndTag && (indentingTag || !endTag)) {
state.context = new Context(state.context, state.tag, tag.variableScope ? state.variables : null);
// Otherwise close the current context.
} else if (endTag) {
var isBalancedForExtern = tagName == 'extern' && (state.context && state.context.tag == 'export');
if (!state.context || ((state.context.tag != tagName) && !isBalancedForExtern)) {
tagError = true;
} else if (state.context) {
if (state.context.kind) {
state.localStates.pop();
var localState = last(state.localStates);
if (localState.mode.indent) {
state.indent -= localState.mode.indent(localState.state, "", "");
}
}
popcontext(state);
}
}
} else if (endTag) {
// Assume all tags with a closing tag are defined in the config.
tagError = true;
}
return (tagError ? "error " : "") + "keyword";
// Not a tag-keyword; it's an implicit print tag.
} else if (stream.eat('{')) {
state.tag = "print";
state.indent += 2 * config.indentUnit;
state.soyState.push("tag");
return "keyword";
} else if (!state.context && stream.sol() && stream.match(/import\b/)) {
state.soyState.push("import");
state.indent += 2 * config.indentUnit;
return "keyword";
} else if (match = stream.match('<{')) {
state.soyState.push("template-call-expression");
state.indent += 2 * config.indentUnit;
state.soyState.push("tag");
return "keyword";
} else if (match = stream.match('')) {
state.indent -= 1 * config.indentUnit;
return "keyword";
}
return tokenUntil(stream, state, /\{|\s+\/\/|\/\*/);
},
indent: function(state, textAfter, line) {
var indent = state.indent, top = last(state.soyState);
if (top == "comment") return CodeMirror.Pass;
if (top == "literal") {
if (/^\{\/literal}/.test(textAfter)) indent -= config.indentUnit;
} else {
if (/^\s*\{\/(template|deltemplate)\b/.test(textAfter)) return 0;
if (/^\{(\/|(fallbackmsg|elseif|else|ifempty)\b)/.test(textAfter)) indent -= config.indentUnit;
if (state.tag != "switch" && /^\{(case|default)\b/.test(textAfter)) indent -= config.indentUnit;
if (/^\{\/switch\b/.test(textAfter)) indent -= config.indentUnit;
}
var localState = last(state.localStates);
if (indent && localState.mode.indent) {
indent += localState.mode.indent(localState.state, textAfter, line);
}
return indent;
},
innerMode: function(state) {
if (state.soyState.length && last(state.soyState) != "literal") return null;
else return last(state.localStates);
},
electricInput: /^\s*\{(\/|\/template|\/deltemplate|\/switch|fallbackmsg|elseif|else|case|default|ifempty|\/literal\})$/,
lineComment: "//",
blockCommentStart: "/*",
blockCommentEnd: "*/",
blockCommentContinue: " * ",
useInnerComments: false,
fold: "indent"
};
}, "htmlmixed");
CodeMirror.registerHelper("wordChars", "soy", /[\w$]/);
CodeMirror.registerHelper("hintWords", "soy", Object.keys(tags).concat(
["css", "debugger"]));
CodeMirror.defineMIME("text/x-soy", "soy");
});
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