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textile.js
469 lines | 13.5 KiB | application/javascript | JavascriptLexer
// 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"));
} else if (typeof define == "function" && define.amd) { // AMD
define(["../../lib/codemirror"], mod);
} else { // Plain browser env
mod(CodeMirror);
}
})(function(CodeMirror) {
"use strict";
var TOKEN_STYLES = {
addition: "positive",
attributes: "attribute",
bold: "strong",
cite: "keyword",
code: "atom",
definitionList: "number",
deletion: "negative",
div: "punctuation",
em: "em",
footnote: "variable",
footCite: "qualifier",
header: "header",
html: "comment",
image: "string",
italic: "em",
link: "link",
linkDefinition: "link",
list1: "variable-2",
list2: "variable-3",
list3: "keyword",
notextile: "string-2",
pre: "operator",
p: "property",
quote: "bracket",
span: "quote",
specialChar: "tag",
strong: "strong",
sub: "builtin",
sup: "builtin",
table: "variable-3",
tableHeading: "operator"
};
function startNewLine(stream, state) {
state.mode = Modes.newLayout;
state.tableHeading = false;
if (state.layoutType === "definitionList" && state.spanningLayout &&
stream.match(RE("definitionListEnd"), false))
state.spanningLayout = false;
}
function handlePhraseModifier(stream, state, ch) {
if (ch === "_") {
if (stream.eat("_"))
return togglePhraseModifier(stream, state, "italic", /__/, 2);
else
return togglePhraseModifier(stream, state, "em", /_/, 1);
}
if (ch === "*") {
if (stream.eat("*")) {
return togglePhraseModifier(stream, state, "bold", /\*\*/, 2);
}
return togglePhraseModifier(stream, state, "strong", /\*/, 1);
}
if (ch === "[") {
if (stream.match(/\d+\]/)) state.footCite = true;
return tokenStyles(state);
}
if (ch === "(") {
var spec = stream.match(/^(r|tm|c)\)/);
if (spec)
return tokenStylesWith(state, TOKEN_STYLES.specialChar);
}
if (ch === "<" && stream.match(/(\w+)[^>]+>[^<]+<\/\1>/))
return tokenStylesWith(state, TOKEN_STYLES.html);
if (ch === "?" && stream.eat("?"))
return togglePhraseModifier(stream, state, "cite", /\?\?/, 2);
if (ch === "=" && stream.eat("="))
return togglePhraseModifier(stream, state, "notextile", /==/, 2);
if (ch === "-" && !stream.eat("-"))
return togglePhraseModifier(stream, state, "deletion", /-/, 1);
if (ch === "+")
return togglePhraseModifier(stream, state, "addition", /\+/, 1);
if (ch === "~")
return togglePhraseModifier(stream, state, "sub", /~/, 1);
if (ch === "^")
return togglePhraseModifier(stream, state, "sup", /\^/, 1);
if (ch === "%")
return togglePhraseModifier(stream, state, "span", /%/, 1);
if (ch === "@")
return togglePhraseModifier(stream, state, "code", /@/, 1);
if (ch === "!") {
var type = togglePhraseModifier(stream, state, "image", /(?:\([^\)]+\))?!/, 1);
stream.match(/^:\S+/); // optional Url portion
return type;
}
return tokenStyles(state);
}
function togglePhraseModifier(stream, state, phraseModifier, closeRE, openSize) {
var charBefore = stream.pos > openSize ? stream.string.charAt(stream.pos - openSize - 1) : null;
var charAfter = stream.peek();
if (state[phraseModifier]) {
if ((!charAfter || /\W/.test(charAfter)) && charBefore && /\S/.test(charBefore)) {
var type = tokenStyles(state);
state[phraseModifier] = false;
return type;
}
} else if ((!charBefore || /\W/.test(charBefore)) && charAfter && /\S/.test(charAfter) &&
stream.match(new RegExp("^.*\\S" + closeRE.source + "(?:\\W|$)"), false)) {
state[phraseModifier] = true;
state.mode = Modes.attributes;
}
return tokenStyles(state);
};
function tokenStyles(state) {
var disabled = textileDisabled(state);
if (disabled) return disabled;
var styles = [];
if (state.layoutType) styles.push(TOKEN_STYLES[state.layoutType]);
styles = styles.concat(activeStyles(
state, "addition", "bold", "cite", "code", "deletion", "em", "footCite",
"image", "italic", "link", "span", "strong", "sub", "sup", "table", "tableHeading"));
if (state.layoutType === "header")
styles.push(TOKEN_STYLES.header + "-" + state.header);
return styles.length ? styles.join(" ") : null;
}
function textileDisabled(state) {
var type = state.layoutType;
switch(type) {
case "notextile":
case "code":
case "pre":
return TOKEN_STYLES[type];
default:
if (state.notextile)
return TOKEN_STYLES.notextile + (type ? (" " + TOKEN_STYLES[type]) : "");
return null;
}
}
function tokenStylesWith(state, extraStyles) {
var disabled = textileDisabled(state);
if (disabled) return disabled;
var type = tokenStyles(state);
if (extraStyles)
return type ? (type + " " + extraStyles) : extraStyles;
else
return type;
}
function activeStyles(state) {
var styles = [];
for (var i = 1; i < arguments.length; ++i) {
if (state[arguments[i]])
styles.push(TOKEN_STYLES[arguments[i]]);
}
return styles;
}
function blankLine(state) {
var spanningLayout = state.spanningLayout, type = state.layoutType;
for (var key in state) if (state.hasOwnProperty(key))
delete state[key];
state.mode = Modes.newLayout;
if (spanningLayout) {
state.layoutType = type;
state.spanningLayout = true;
}
}
var REs = {
cache: {},
single: {
bc: "bc",
bq: "bq",
definitionList: /- [^(?::=)]+:=+/,
definitionListEnd: /.*=:\s*$/,
div: "div",
drawTable: /\|.*\|/,
foot: /fn\d+/,
header: /h[1-6]/,
html: /\s*<(?:\/)?(\w+)(?:[^>]+)?>(?:[^<]+<\/\1>)?/,
link: /[^"]+":\S/,
linkDefinition: /\[[^\s\]]+\]\S+/,
list: /(?:#+|\*+)/,
notextile: "notextile",
para: "p",
pre: "pre",
table: "table",
tableCellAttributes: /[\/\\]\d+/,
tableHeading: /\|_\./,
tableText: /[^"_\*\[\(\?\+~\^%@|-]+/,
text: /[^!"_=\*\[\(<\?\+~\^%@-]+/
},
attributes: {
align: /(?:<>|<|>|=)/,
selector: /\([^\(][^\)]+\)/,
lang: /\[[^\[\]]+\]/,
pad: /(?:\(+|\)+){1,2}/,
css: /\{[^\}]+\}/
},
createRe: function(name) {
switch (name) {
case "drawTable":
return REs.makeRe("^", REs.single.drawTable, "$");
case "html":
return REs.makeRe("^", REs.single.html, "(?:", REs.single.html, ")*", "$");
case "linkDefinition":
return REs.makeRe("^", REs.single.linkDefinition, "$");
case "listLayout":
return REs.makeRe("^", REs.single.list, RE("allAttributes"), "*\\s+");
case "tableCellAttributes":
return REs.makeRe("^", REs.choiceRe(REs.single.tableCellAttributes,
RE("allAttributes")), "+\\.");
case "type":
return REs.makeRe("^", RE("allTypes"));
case "typeLayout":
return REs.makeRe("^", RE("allTypes"), RE("allAttributes"),
"*\\.\\.?", "(\\s+|$)");
case "attributes":
return REs.makeRe("^", RE("allAttributes"), "+");
case "allTypes":
return REs.choiceRe(REs.single.div, REs.single.foot,
REs.single.header, REs.single.bc, REs.single.bq,
REs.single.notextile, REs.single.pre, REs.single.table,
REs.single.para);
case "allAttributes":
return REs.choiceRe(REs.attributes.selector, REs.attributes.css,
REs.attributes.lang, REs.attributes.align, REs.attributes.pad);
default:
return REs.makeRe("^", REs.single[name]);
}
},
makeRe: function() {
var pattern = "";
for (var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
pattern += (typeof arg === "string") ? arg : arg.source;
}
return new RegExp(pattern);
},
choiceRe: function() {
var parts = [arguments[0]];
for (var i = 1; i < arguments.length; ++i) {
parts[i * 2 - 1] = "|";
parts[i * 2] = arguments[i];
}
parts.unshift("(?:");
parts.push(")");
return REs.makeRe.apply(null, parts);
}
};
function RE(name) {
return (REs.cache[name] || (REs.cache[name] = REs.createRe(name)));
}
var Modes = {
newLayout: function(stream, state) {
if (stream.match(RE("typeLayout"), false)) {
state.spanningLayout = false;
return (state.mode = Modes.blockType)(stream, state);
}
var newMode;
if (!textileDisabled(state)) {
if (stream.match(RE("listLayout"), false))
newMode = Modes.list;
else if (stream.match(RE("drawTable"), false))
newMode = Modes.table;
else if (stream.match(RE("linkDefinition"), false))
newMode = Modes.linkDefinition;
else if (stream.match(RE("definitionList")))
newMode = Modes.definitionList;
else if (stream.match(RE("html"), false))
newMode = Modes.html;
}
return (state.mode = (newMode || Modes.text))(stream, state);
},
blockType: function(stream, state) {
var match, type;
state.layoutType = null;
if (match = stream.match(RE("type")))
type = match[0];
else
return (state.mode = Modes.text)(stream, state);
if (match = type.match(RE("header"))) {
state.layoutType = "header";
state.header = parseInt(match[0][1]);
} else if (type.match(RE("bq"))) {
state.layoutType = "quote";
} else if (type.match(RE("bc"))) {
state.layoutType = "code";
} else if (type.match(RE("foot"))) {
state.layoutType = "footnote";
} else if (type.match(RE("notextile"))) {
state.layoutType = "notextile";
} else if (type.match(RE("pre"))) {
state.layoutType = "pre";
} else if (type.match(RE("div"))) {
state.layoutType = "div";
} else if (type.match(RE("table"))) {
state.layoutType = "table";
}
state.mode = Modes.attributes;
return tokenStyles(state);
},
text: function(stream, state) {
if (stream.match(RE("text"))) return tokenStyles(state);
var ch = stream.next();
if (ch === '"')
return (state.mode = Modes.link)(stream, state);
return handlePhraseModifier(stream, state, ch);
},
attributes: function(stream, state) {
state.mode = Modes.layoutLength;
if (stream.match(RE("attributes")))
return tokenStylesWith(state, TOKEN_STYLES.attributes);
else
return tokenStyles(state);
},
layoutLength: function(stream, state) {
if (stream.eat(".") && stream.eat("."))
state.spanningLayout = true;
state.mode = Modes.text;
return tokenStyles(state);
},
list: function(stream, state) {
var match = stream.match(RE("list"));
state.listDepth = match[0].length;
var listMod = (state.listDepth - 1) % 3;
if (!listMod)
state.layoutType = "list1";
else if (listMod === 1)
state.layoutType = "list2";
else
state.layoutType = "list3";
state.mode = Modes.attributes;
return tokenStyles(state);
},
link: function(stream, state) {
state.mode = Modes.text;
if (stream.match(RE("link"))) {
stream.match(/\S+/);
return tokenStylesWith(state, TOKEN_STYLES.link);
}
return tokenStyles(state);
},
linkDefinition: function(stream, state) {
stream.skipToEnd();
return tokenStylesWith(state, TOKEN_STYLES.linkDefinition);
},
definitionList: function(stream, state) {
stream.match(RE("definitionList"));
state.layoutType = "definitionList";
if (stream.match(/\s*$/))
state.spanningLayout = true;
else
state.mode = Modes.attributes;
return tokenStyles(state);
},
html: function(stream, state) {
stream.skipToEnd();
return tokenStylesWith(state, TOKEN_STYLES.html);
},
table: function(stream, state) {
state.layoutType = "table";
return (state.mode = Modes.tableCell)(stream, state);
},
tableCell: function(stream, state) {
if (stream.match(RE("tableHeading")))
state.tableHeading = true;
else
stream.eat("|");
state.mode = Modes.tableCellAttributes;
return tokenStyles(state);
},
tableCellAttributes: function(stream, state) {
state.mode = Modes.tableText;
if (stream.match(RE("tableCellAttributes")))
return tokenStylesWith(state, TOKEN_STYLES.attributes);
else
return tokenStyles(state);
},
tableText: function(stream, state) {
if (stream.match(RE("tableText")))
return tokenStyles(state);
if (stream.peek() === "|") { // end of cell
state.mode = Modes.tableCell;
return tokenStyles(state);
}
return handlePhraseModifier(stream, state, stream.next());
}
};
CodeMirror.defineMode("textile", function() {
return {
startState: function() {
return { mode: Modes.newLayout };
},
token: function(stream, state) {
if (stream.sol()) startNewLine(stream, state);
return state.mode(stream, state);
},
blankLine: blankLine
};
});
CodeMirror.defineMIME("text/x-textile", "textile");
});