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200 lines
7.5 KiB
JavaScript

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/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 indentingTags = ["template", "literal", "msg", "fallbackmsg", "let", "if", "elseif",
"else", "switch", "case", "default", "foreach", "ifempty", "for",
"call", "param", "deltemplate", "delcall", "log"];
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}),
attributes: textMode,
text: textMode,
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) {
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() {
return state.localMode.token(stream, state.localState);
});
stream.string = oldString;
return result;
}
return {
startState: function() {
return {
kind: [],
kindTag: [],
soyState: [],
indent: 0,
localMode: modes.html,
localState: CodeMirror.startState(modes.html)
};
},
copyState: function(state) {
return {
tag: state.tag, // Last seen Soy tag.
kind: state.kind.concat([]), // Values of kind="" attributes.
kindTag: state.kindTag.concat([]), // Opened tags with kind="" attributes.
soyState: state.soyState.concat([]),
indent: state.indent, // Indentation of the following line.
localMode: state.localMode,
localState: CodeMirror.copyState(state.localMode, state.localState)
};
},
token: function(stream, state) {
var match;
switch (last(state.soyState)) {
case "comment":
if (stream.match(/^.*?\*\//)) {
state.soyState.pop();
} else {
stream.skipToEnd();
}
return "comment";
case "variable":
if (stream.match(/^}/)) {
state.indent -= 2 * config.indentUnit;
state.soyState.pop();
return "variable-2";
}
stream.next();
return null;
case "tag":
if (stream.match(/^\/?}/)) {
if (state.tag == "/template" || state.tag == "/deltemplate") state.indent = 0;
else state.indent -= (stream.current() == "/}" || indentingTags.indexOf(state.tag) == -1 ? 2 : 1) * config.indentUnit;
state.soyState.pop();
return "keyword";
} else if (stream.match(/^([\w?]+)(?==)/)) {
if (stream.current() == "kind" && (match = stream.match(/^="([^"]+)/, false))) {
var kind = match[1];
state.kind.push(kind);
state.kindTag.push(state.tag);
state.localMode = modes[kind] || modes.html;
state.localState = CodeMirror.startState(state.localMode);
}
return "attribute";
} else if (stream.match(/^"/)) {
state.soyState.push("string");
return "string";
}
stream.next();
return null;
case "literal":
if (stream.match(/^(?=\{\/literal})/)) {
state.indent -= config.indentUnit;
state.soyState.pop();
return this.token(stream, state);
}
return tokenUntil(stream, state, /\{\/literal}/);
case "string":
var match = stream.match(/^.*?("|\\[\s\S])/);
if (!match) {
stream.skipToEnd();
} else if (match[1] == "\"") {
state.soyState.pop();
}
return "string";
}
if (stream.match(/^\/\*/)) {
state.soyState.push("comment");
return "comment";
} else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
return "comment";
} else if (stream.match(/^\{\$[\w?]*/)) {
state.indent += 2 * config.indentUnit;
state.soyState.push("variable");
return "variable-2";
} else if (stream.match(/^\{literal}/)) {
state.indent += config.indentUnit;
state.soyState.push("literal");
return "keyword";
} else if (match = stream.match(/^\{([\/@\\]?[\w?]*)/)) {
if (match[1] != "/switch")
state.indent += (/^(\/|(else|elseif|case|default)$)/.test(match[1]) && state.tag != "switch" ? 1 : 2) * config.indentUnit;
state.tag = match[1];
if (state.tag == "/" + last(state.kindTag)) {
// We found the tag that opened the current kind="".
state.kind.pop();
state.kindTag.pop();
state.localMode = modes[last(state.kind)] || modes.html;
state.localState = CodeMirror.startState(state.localMode);
}
state.soyState.push("tag");
return "keyword";
}
return tokenUntil(stream, state, /\{|\s+\/\/|\/\*/);
},
indent: function(state, textAfter) {
var indent = state.indent, top = last(state.soyState);
if (top == "comment") return CodeMirror.Pass;
if (top == "literal") {
if (/^\{\/literal}/.test(textAfter)) indent -= config.indentUnit;
} else {
if (/^\s*\{\/(template|deltemplate)\b/.test(textAfter)) return 0;
if (/^\{(\/|(fallbackmsg|elseif|else|ifempty)\b)/.test(textAfter)) indent -= config.indentUnit;
if (state.tag != "switch" && /^\{(case|default)\b/.test(textAfter)) indent -= config.indentUnit;
if (/^\{\/switch\b/.test(textAfter)) indent -= config.indentUnit;
}
if (indent && state.localMode.indent)
indent += state.localMode.indent(state.localState, textAfter);
return indent;
},
innerMode: function(state) {
if (state.soyState.length && last(state.soyState) != "literal") return null;
else return {state: state.localState, mode: state.localMode};
},
electricInput: /^\s*\{(\/|\/template|\/deltemplate|\/switch|fallbackmsg|elseif|else|case|default|ifempty|\/literal\})$/,
lineComment: "//",
blockCommentStart: "/*",
blockCommentEnd: "*/",
blockCommentContinue: " * ",
fold: "indent"
};
}, "htmlmixed");
CodeMirror.registerHelper("hintWords", "soy", indentingTags.concat(
["delpackage", "namespace", "alias", "print", "css", "debugger"]));
CodeMirror.defineMIME("text/x-soy", "soy");
});