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lucasad/dust.js

Created September 10, 2013 18:06
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dust-amd
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dust.js
define('ndust', [], function() {
var dust = {};
dust.helpers = {};
dust.cache = {};
dust.register = function(name, tmpl) {
if (!name) return;
dust.cache[name] = tmpl;
};
dust.render = function(name, context, callback) {
var chunk = new Stub(callback).head;
dust.load(name, chunk, Context.wrap(context, name)).end();
};
dust.stream = function(name, context) {
var stream = new Stream();
dust.nextTick(function() {
dust.load(name, stream.head, Context.wrap(context, name)).end();
});
return stream;
};
dust.renderSource = function(source, context, callback) {
return dust.compileFn(source)(context, callback);
};
dust.compileFn = function(source, name) {
var tmpl = dust.loadSource(dust.compile(source, name));
return function(context, callback) {
var master = callback ? new Stub(callback) : new Stream();
dust.nextTick(function() {
tmpl(master.head, Context.wrap(context, name)).end();
});
return master;
};
};
dust.load = function(name, chunk, context) {
var tmpl = dust.cache[name];
if (tmpl) {
return tmpl(chunk, context);
} else {
if (dust.onLoad) {
return chunk.map(function(chunk) {
dust.onLoad(name, function(err, src) {
if (err) return chunk.setError(err);
if (!dust.cache[name]) dust.loadSource(dust.compile(src, name));
dust.cache[name](chunk, context).end();
});
});
}
return chunk.setError(new Error("Template Not Found: " + name));
}
};
dust.loadSource = function(source, path) {
return eval(source);
};
if (Array.isArray) {
dust.isArray = Array.isArray;
} else {
dust.isArray = function(arr) {
return Object.prototype.toString.call(arr) == "[object Array]";
};
}
dust.nextTick = (function() {
if (typeof process !== "undefined") {
return process.nextTick;
} else {
return function(callback) {
setTimeout(callback,0);
};
}
} )();
dust.isEmpty = function(value) {
if (dust.isArray(value) && !value.length) return true;
if (value === 0) return false;
return (!value);
};
// apply the filter chain and return the output string
dust.filter = function(string, auto, filters) {
if (filters) {
for (var i=0, len=filters.length; i<len; i++) {
var name = filters[i];
if (name === "s") {
auto = null;
}
// fail silently for invalid filters
else if (typeof dust.filters[name] === 'function') {
string = dust.filters[name](string);
}
}
}
// by default always apply the h filter, unless asked to unescape with |s
if (auto) {
string = dust.filters[auto](string);
}
return string;
};
dust.filters = {
h: function(value) { return dust.escapeHtml(value); },
j: function(value) { return dust.escapeJs(value); },
u: encodeURI,
uc: encodeURIComponent,
js: function(value) { if (!JSON) { return value; } return JSON.stringify(value); },
jp: function(value) { if (!JSON) { return value; } return JSON.parse(value); }
};
function Context(stack, global, blocks, templateName) {
this.stack = stack;
this.global = global;
this.blocks = blocks;
this.templateName = templateName;
}
dust.makeBase = function(global) {
return new Context(new Stack(), global);
};
Context.wrap = function(context, name) {
if (context instanceof Context) {
return context;
}
return new Context(new Stack(context), {}, null, name);
};
Context.prototype.get = function(key) {
var ctx = this.stack, value;
while(ctx) {
if (ctx.isObject) {
value = ctx.head[key];
if (!(value === undefined)) {
return value;
}
}
ctx = ctx.tail;
}
return this.global ? this.global[key] : undefined;
};
//supports dot path resolution, function wrapped apply, and searching global paths
Context.prototype.getPath = function(cur, down) {
var ctx = this.stack, ctxThis,
len = down.length,
tail = cur ? undefined : this.stack.tail;
if (cur && len === 0) return ctx.head;
ctx = ctx.head;
var i = 0;
while(ctx && i < len) {
ctxThis = ctx;
ctx = ctx[down[i]];
i++;
while (!ctx && !cur){
// i is the count of number of path elements matched. If > 1 then we have a partial match
// and do not continue to search for the rest of the path.
// Note: a falsey value at the end of a matched path also comes here.
// This returns the value or undefined if we just have a partial match.
if (i > 1) return ctx;
if (tail){
ctx = tail.head;
tail = tail.tail;
i=0;
} else if (!cur) {
//finally search this.global. we set cur to true to halt after
ctx = this.global;
cur = true;
i=0;
}
}
}
if (typeof ctx == 'function'){
//wrap to preserve context 'this' see #174
return function(){
return ctx.apply(ctxThis,arguments);
};
}
else {
return ctx;
}
};
Context.prototype.push = function(head, idx, len) {
return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks, this.templateName);
};
Context.prototype.rebase = function(head) {
return new Context(new Stack(head), this.global, this.blocks, this.templateName);
};
Context.prototype.current = function() {
return this.stack.head;
};
Context.prototype.getBlock = function(key, chk, ctx) {
if (typeof key === "function") {
var tempChk = new Chunk();
key = key(tempChk, this).data.join("");
}
var blocks = this.blocks;
if (!blocks) return;
var len = blocks.length, fn;
while (len--) {
fn = blocks[len][key];
if (fn) return fn;
}
};
Context.prototype.shiftBlocks = function(locals) {
var blocks = this.blocks,
newBlocks;
if (locals) {
if (!blocks) {
newBlocks = [locals];
} else {
newBlocks = blocks.concat([locals]);
}
return new Context(this.stack, this.global, newBlocks, this.templateName);
}
return this;
};
function Stack(head, tail, idx, len) {
this.tail = tail;
this.isObject = !dust.isArray(head) && head && typeof head === "object";
this.head = head;
this.index = idx;
this.of = len;
}
function Stub(callback) {
this.head = new Chunk(this);
this.callback = callback;
this.out = '';
}
Stub.prototype.flush = function() {
var chunk = this.head;
while (chunk) {
if (chunk.flushable) {
this.out += chunk.data.join(""); //ie7 perf
} else if (chunk.error) {
this.callback(chunk.error);
this.flush = function() {};
return;
} else {
return;
}
chunk = chunk.next;
this.head = chunk;
}
this.callback(null, this.out);
};
function Stream() {
this.head = new Chunk(this);
}
Stream.prototype.flush = function() {
var chunk = this.head;
while(chunk) {
if (chunk.flushable) {
this.emit('data', chunk.data.join("")); //ie7 perf
} else if (chunk.error) {
this.emit('error', chunk.error);
this.flush = function() {};
return;
} else {
return;
}
chunk = chunk.next;
this.head = chunk;
}
this.emit('end');
};
Stream.prototype.emit = function(type, data) {
if (!this.events) return false;
var handler = this.events[type];
if (!handler) return false;
if (typeof handler == 'function') {
handler(data);
} else {
var listeners = handler.slice(0);
for (var i = 0, l = listeners.length; i < l; i++) {
listeners[i](data);
}
}
};
Stream.prototype.on = function(type, callback) {
if (!this.events) {
this.events = {};
}
if (!this.events[type]) {
this.events[type] = callback;
} else if(typeof this.events[type] === 'function') {
this.events[type] = [this.events[type], callback];
} else {
this.events[type].push(callback);
}
return this;
};
Stream.prototype.pipe = function(stream) {
this.on("data", function(data) {
stream.write(data, "utf8");
}).on("end", function() {
stream.end();
}).on("error", function(err) {
stream.error(err);
});
return this;
};
function Chunk(root, next, taps) {
this.root = root;
this.next = next;
this.data = []; //ie7 perf
this.flushable = false;
this.taps = taps;
}
Chunk.prototype.write = function(data) {
var taps = this.taps;
if (taps) {
data = taps.go(data);
}
this.data.push(data);
return this;
};
Chunk.prototype.end = function(data) {
if (data) {
this.write(data);
}
this.flushable = true;
this.root.flush();
return this;
};
Chunk.prototype.map = function(callback) {
var cursor = new Chunk(this.root, this.next, this.taps),
branch = new Chunk(this.root, cursor, this.taps);
this.next = branch;
this.flushable = true;
callback(branch);
return cursor;
};
Chunk.prototype.tap = function(tap) {
var taps = this.taps;
if (taps) {
this.taps = taps.push(tap);
} else {
this.taps = new Tap(tap);
}
return this;
};
Chunk.prototype.untap = function() {
this.taps = this.taps.tail;
return this;
};
Chunk.prototype.render = function(body, context) {
return body(this, context);
};
Chunk.prototype.reference = function(elem, context, auto, filters) {
if (typeof elem === "function") {
elem.isFunction = true;
// Changed the function calling to use apply with the current context to make sure
// that "this" is wat we expect it to be inside the function
elem = elem.apply(context.current(), [this, context, null, {auto: auto, filters: filters}]);
if (elem instanceof Chunk) {
return elem;
}
}
if (!dust.isEmpty(elem)) {
return this.write(dust.filter(elem, auto, filters));
} else {
return this;
}
};
Chunk.prototype.section = function(elem, context, bodies, params) {
// anonymous functions
if (typeof elem === "function") {
elem = elem.apply(context.current(), [this, context, bodies, params]);
// functions that return chunks are assumed to have handled the body and/or have modified the chunk
// use that return value as the current chunk and go to the next method in the chain
if (elem instanceof Chunk) {
return elem;
}
}
var body = bodies.block,
skip = bodies['else'];
// a.k.a Inline parameters in the Dust documentations
if (params) {
context = context.push(params);
}
/*
Dust's default behavior is to enumerate over the array elem, passing each object in the array to the block.
When elem resolves to a value or object instead of an array, Dust sets the current context to the value
and renders the block one time.
*/
//non empty array is truthy, empty array is falsy
if (dust.isArray(elem)) {
if (body) {
var len = elem.length, chunk = this;
if (len > 0) {
// any custom helper can blow up the stack
// and store a flattened context, guard defensively
if(context.stack.head) {
context.stack.head['$len'] = len;
}
for (var i=0; i<len; i++) {
if(context.stack.head) {
context.stack.head['$idx'] = i;
}
chunk = body(chunk, context.push(elem[i], i, len));
}
if(context.stack.head) {
context.stack.head['$idx'] = undefined;
context.stack.head['$len'] = undefined;
}
return chunk;
}
else if (skip) {
return skip(this, context);
}
}
}
// true is truthy but does not change context
else if (elem === true) {
if (body) {
return body(this, context);
}
}
// everything that evaluates to true are truthy ( e.g. Non-empty strings and Empty objects are truthy. )
// zero is truthy
// for anonymous functions that did not returns a chunk, truthiness is evaluated based on the return value
//
else if (elem || elem === 0) {
if (body) return body(this, context.push(elem));
// nonexistent, scalar false value, scalar empty string, null,
// undefined are all falsy
} else if (skip) {
return skip(this, context);
}
return this;
};
Chunk.prototype.exists = function(elem, context, bodies) {
var body = bodies.block,
skip = bodies['else'];
if (!dust.isEmpty(elem)) {
if (body) return body(this, context);
} else if (skip) {
return skip(this, context);
}
return this;
};
Chunk.prototype.notexists = function(elem, context, bodies) {
var body = bodies.block,
skip = bodies['else'];
if (dust.isEmpty(elem)) {
if (body) return body(this, context);
} else if (skip) {
return skip(this, context);
}
return this;
};
Chunk.prototype.block = function(elem, context, bodies) {
var body = bodies.block;
if (elem) {
body = elem;
}
if (body) {
return body(this, context);
}
return this;
};
Chunk.prototype.partial = function(elem, context, params) {
var partialContext;
//put the params context second to match what section does. {.} matches the current context without parameters
// start with an empty context
partialContext = dust.makeBase(context.global);
partialContext.blocks = context.blocks;
if (context.stack && context.stack.tail){
// grab the stack(tail) off of the previous context if we have it
partialContext.stack = context.stack.tail;
}
if (params){
//put params on
partialContext = partialContext.push(params);
}
if(typeof elem === "string") {
partialContext.templateName = elem;
}
//reattach the head
partialContext = partialContext.push(context.stack.head);
var partialChunk;
if (typeof elem === "function") {
partialChunk = this.capture(elem, partialContext, function(name, chunk) {
dust.load(name, chunk, partialContext).end();
});
}
else {
partialChunk = dust.load(elem, this, partialContext);
}
return partialChunk;
};
Chunk.prototype.helper = function(name, context, bodies, params) {
// handle invalid helpers, similar to invalid filters
if( dust.helpers[name]){
return dust.helpers[name](this, context, bodies, params);
} else {
return this;
}
};
Chunk.prototype.capture = function(body, context, callback) {
return this.map(function(chunk) {
var stub = new Stub(function(err, out) {
if (err) {
chunk.setError(err);
} else {
callback(out, chunk);
}
});
body(stub.head, context).end();
});
};
Chunk.prototype.setError = function(err) {
this.error = err;
this.root.flush();
return this;
};
function Tap(head, tail) {
this.head = head;
this.tail = tail;
}
Tap.prototype.push = function(tap) {
return new Tap(tap, this);
};
Tap.prototype.go = function(value) {
var tap = this;
while(tap) {
value = tap.head(value);
tap = tap.tail;
}
return value;
};
var HCHARS = new RegExp(/[&<>\"\']/),
AMP = /&/g,
LT = /</g,
GT = />/g,
QUOT = /\"/g,
SQUOT = /\'/g;
dust.escapeHtml = function(s) {
if (typeof s === "string") {
if (!HCHARS.test(s)) {
return s;
}
return s.replace(AMP,'&amp;').replace(LT,'&lt;').replace(GT,'&gt;').replace(QUOT,'&quot;').replace(SQUOT, '&#39;');
}
return s;
};
var BS = /\\/g,
FS = /\//g,
CR = /\r/g,
LS = /\u2028/g,
PS = /\u2029/g,
NL = /\n/g,
LF = /\f/g,
SQ = /'/g,
DQ = /"/g,
TB = /\t/g;
dust.escapeJs = function(s) {
if (typeof s === "string") {
return s
.replace(BS, '\\\\')
.replace(FS, '\\/')
.replace(DQ, '\\"')
.replace(SQ, "\\'")
.replace(CR, '\\r')
.replace(LS, '\\u2028')
.replace(PS, '\\u2029')
.replace(NL, '\\n')
.replace(LF, '\\f')
.replace(TB, "\\t");
}
return s;
};
/*
* Generated by PEG.js 0.7.0.
*
* http://pegjs.majda.cz/
*/
var quote = function(s) {
/*
* ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
* string literal except for the closing quote character, backslash,
* carriage return, line separator, paragraph separator, and line feed.
* Any character may appear in the form of an escape sequence.
*
* For portability, we also escape escape all control and non-ASCII
* characters. Note that "\0" and "\v" escape sequences are not used
* because JSHint does not like the first and IE the second.
*/
return '"' + s
.replace(/\\/g, '\\\\') // backslash
.replace(/"/g, '\\"') // closing quote character
.replace(/\x08/g, '\\b') // backspace
.replace(/\t/g, '\\t') // horizontal tab
.replace(/\n/g, '\\n') // line feed
.replace(/\f/g, '\\f') // form feed
.replace(/\r/g, '\\r') // carriage return
.replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
+ '"';
}
var parser = {
/*
* Parses the input with a generated parser. If the parsing is successfull,
* returns a value explicitly or implicitly specified by the grammar from
* which the parser was generated (see |PEG.buildParser|). If the parsing is
* unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
*/
parse: function(input, startRule) {
var parseFunctions = {
"body": parse_body,
"part": parse_part,
"section": parse_section,
"sec_tag_start": parse_sec_tag_start,
"end_tag": parse_end_tag,
"context": parse_context,
"params": parse_params,
"bodies": parse_bodies,
"reference": parse_reference,
"partial": parse_partial,
"filters": parse_filters,
"special": parse_special,
"identifier": parse_identifier,
"number": parse_number,
"float": parse_float,
"integer": parse_integer,
"path": parse_path,
"key": parse_key,
"array": parse_array,
"array_part": parse_array_part,
"inline": parse_inline,
"inline_part": parse_inline_part,
"buffer": parse_buffer,
"literal": parse_literal,
"esc": parse_esc,
"comment": parse_comment,
"tag": parse_tag,
"ld": parse_ld,
"rd": parse_rd,
"lb": parse_lb,
"rb": parse_rb,
"eol": parse_eol,
"ws": parse_ws
};
if (startRule !== undefined) {
if (parseFunctions[startRule] === undefined) {
throw new Error("Invalid rule name: " + quote(startRule) + ".");
}
} else {
startRule = "body";
}
var pos = { offset: 0, line: 1, column: 1, seenCR: false };
var reportFailures = 0;
var rightmostFailuresPos = { offset: 0, line: 1, column: 1, seenCR: false };
var rightmostFailuresExpected = [];
var padLeft = function(input, padding, length) {
var result = input;
var padLength = length - input.length;
for (var i = 0; i < padLength; i++) {
result = padding + result;
}
return result;
}
var escape = function(ch) {
var charCode = ch.charCodeAt(0);
var escapeChar;
var length;
if (charCode <= 0xFF) {
escapeChar = 'x';
length = 2;
} else {
escapeChar = 'u';
length = 4;
}
return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
}
function clone(object) {
var result = {};
for (var key in object) {
result[key] = object[key];
}
return result;
}
function advance(pos, n) {
var endOffset = pos.offset + n;
for (var offset = pos.offset; offset < endOffset; offset++) {
var ch = input.charAt(offset);
if (ch === "\n") {
if (!pos.seenCR) { pos.line++; }
pos.column = 1;
pos.seenCR = false;
} else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
pos.line++;
pos.column = 1;
pos.seenCR = true;
} else {
pos.column++;
pos.seenCR = false;
}
}
pos.offset += n;
}
function matchFailed(failure) {
if (pos.offset < rightmostFailuresPos.offset) {
return;
}
if (pos.offset > rightmostFailuresPos.offset) {
rightmostFailuresPos = clone(pos);
rightmostFailuresExpected = [];
}
rightmostFailuresExpected.push(failure);
}
function parse_body() {
var result0, result1;
var pos0;
pos0 = clone(pos);
result0 = [];
result1 = parse_part();
while (result1 !== null) {
result0.push(result1);
result1 = parse_part();
}
if (result0 !== null) {
result0 = (function(offset, line, column, p) { return ["body"].concat(p).concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
return result0;
}
function parse_part() {
var result0;
result0 = parse_comment();
if (result0 === null) {
result0 = parse_section();
if (result0 === null) {
result0 = parse_partial();
if (result0 === null) {
result0 = parse_special();
if (result0 === null) {
result0 = parse_reference();
if (result0 === null) {
result0 = parse_buffer();
}
}
}
}
}
return result0;
}
function parse_section() {
var result0, result1, result2, result3, result4, result5, result6;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_sec_tag_start();
if (result0 !== null) {
result1 = [];
result2 = parse_ws();
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
if (result1 !== null) {
result2 = parse_rd();
if (result2 !== null) {
result3 = parse_body();
if (result3 !== null) {
result4 = parse_bodies();
if (result4 !== null) {
result5 = parse_end_tag();
result5 = result5 !== null ? result5 : "";
if (result5 !== null) {
result6 = (function(offset, line, column, t, b, e, n) {if( (!n) || (t[1].text !== n.text) ) { throw new Error("Expected end tag for "+t[1].text+" but it was not found. At line : "+line+", column : " + column)} return true;})(pos.offset, pos.line, pos.column, result0, result3, result4, result5) ? "" : null;
if (result6 !== null) {
result0 = [result0, result1, result2, result3, result4, result5, result6];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, t, b, e, n) { e.push(["param", ["literal", "block"], b]); t.push(e); return t.concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[0], result0[3], result0[4], result0[5]);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_sec_tag_start();
if (result0 !== null) {
result1 = [];
result2 = parse_ws();
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
if (result1 !== null) {
if (input.charCodeAt(pos.offset) === 47) {
result2 = "/";
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"/\"");
}
}
if (result2 !== null) {
result3 = parse_rd();
if (result3 !== null) {
result0 = [result0, result1, result2, result3];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, t) { t.push(["bodies"]); return t.concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[0]);
}
if (result0 === null) {
pos = clone(pos0);
}
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("section");
}
return result0;
}
function parse_sec_tag_start() {
var result0, result1, result2, result3, result4, result5;
var pos0, pos1;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
if (/^[#?^<+@%]/.test(input.charAt(pos.offset))) {
result1 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[#?^<+@%]");
}
}
if (result1 !== null) {
result2 = [];
result3 = parse_ws();
while (result3 !== null) {
result2.push(result3);
result3 = parse_ws();
}
if (result2 !== null) {
result3 = parse_identifier();
if (result3 !== null) {
result4 = parse_context();
if (result4 !== null) {
result5 = parse_params();
if (result5 !== null) {
result0 = [result0, result1, result2, result3, result4, result5];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, t, n, c, p) { return [t, n, c, p] })(pos0.offset, pos0.line, pos0.column, result0[1], result0[3], result0[4], result0[5]);
}
if (result0 === null) {
pos = clone(pos0);
}
return result0;
}
function parse_end_tag() {
var result0, result1, result2, result3, result4, result5;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
if (input.charCodeAt(pos.offset) === 47) {
result1 = "/";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"/\"");
}
}
if (result1 !== null) {
result2 = [];
result3 = parse_ws();
while (result3 !== null) {
result2.push(result3);
result3 = parse_ws();
}
if (result2 !== null) {
result3 = parse_identifier();
if (result3 !== null) {
result4 = [];
result5 = parse_ws();
while (result5 !== null) {
result4.push(result5);
result5 = parse_ws();
}
if (result4 !== null) {
result5 = parse_rd();
if (result5 !== null) {
result0 = [result0, result1, result2, result3, result4, result5];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, n) { return n })(pos0.offset, pos0.line, pos0.column, result0[3]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("end tag");
}
return result0;
}
function parse_context() {
var result0, result1;
var pos0, pos1, pos2;
pos0 = clone(pos);
pos1 = clone(pos);
pos2 = clone(pos);
if (input.charCodeAt(pos.offset) === 58) {
result0 = ":";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\":\"");
}
}
if (result0 !== null) {
result1 = parse_identifier();
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos2);
}
} else {
result0 = null;
pos = clone(pos2);
}
if (result0 !== null) {
result0 = (function(offset, line, column, n) {return n})(pos1.offset, pos1.line, pos1.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos1);
}
result0 = result0 !== null ? result0 : "";
if (result0 !== null) {
result0 = (function(offset, line, column, n) { return n ? ["context", n] : ["context"] })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
return result0;
}
function parse_params() {
var result0, result1, result2, result3, result4;
var pos0, pos1, pos2;
reportFailures++;
pos0 = clone(pos);
result0 = [];
pos1 = clone(pos);
pos2 = clone(pos);
result2 = parse_ws();
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
} else {
result1 = null;
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
if (input.charCodeAt(pos.offset) === 61) {
result3 = "=";
advance(pos, 1);
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("\"=\"");
}
}
if (result3 !== null) {
result4 = parse_number();
if (result4 === null) {
result4 = parse_identifier();
if (result4 === null) {
result4 = parse_inline();
}
}
if (result4 !== null) {
result1 = [result1, result2, result3, result4];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k, v) {return ["param", ["literal", k], v]})(pos1.offset, pos1.line, pos1.column, result1[1], result1[3]);
}
if (result1 === null) {
pos = clone(pos1);
}
while (result1 !== null) {
result0.push(result1);
pos1 = clone(pos);
pos2 = clone(pos);
result2 = parse_ws();
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
} else {
result1 = null;
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
if (input.charCodeAt(pos.offset) === 61) {
result3 = "=";
advance(pos, 1);
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("\"=\"");
}
}
if (result3 !== null) {
result4 = parse_number();
if (result4 === null) {
result4 = parse_identifier();
if (result4 === null) {
result4 = parse_inline();
}
}
if (result4 !== null) {
result1 = [result1, result2, result3, result4];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k, v) {return ["param", ["literal", k], v]})(pos1.offset, pos1.line, pos1.column, result1[1], result1[3]);
}
if (result1 === null) {
pos = clone(pos1);
}
}
if (result0 !== null) {
result0 = (function(offset, line, column, p) { return ["params"].concat(p) })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("params");
}
return result0;
}
function parse_bodies() {
var result0, result1, result2, result3, result4, result5;
var pos0, pos1, pos2;
reportFailures++;
pos0 = clone(pos);
result0 = [];
pos1 = clone(pos);
pos2 = clone(pos);
result1 = parse_ld();
if (result1 !== null) {
if (input.charCodeAt(pos.offset) === 58) {
result2 = ":";
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\":\"");
}
}
if (result2 !== null) {
result3 = parse_key();
if (result3 !== null) {
result4 = parse_rd();
if (result4 !== null) {
result5 = parse_body();
if (result5 !== null) {
result1 = [result1, result2, result3, result4, result5];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k, v) {return ["param", ["literal", k], v]})(pos1.offset, pos1.line, pos1.column, result1[2], result1[4]);
}
if (result1 === null) {
pos = clone(pos1);
}
while (result1 !== null) {
result0.push(result1);
pos1 = clone(pos);
pos2 = clone(pos);
result1 = parse_ld();
if (result1 !== null) {
if (input.charCodeAt(pos.offset) === 58) {
result2 = ":";
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\":\"");
}
}
if (result2 !== null) {
result3 = parse_key();
if (result3 !== null) {
result4 = parse_rd();
if (result4 !== null) {
result5 = parse_body();
if (result5 !== null) {
result1 = [result1, result2, result3, result4, result5];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k, v) {return ["param", ["literal", k], v]})(pos1.offset, pos1.line, pos1.column, result1[2], result1[4]);
}
if (result1 === null) {
pos = clone(pos1);
}
}
if (result0 !== null) {
result0 = (function(offset, line, column, p) { return ["bodies"].concat(p) })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("bodies");
}
return result0;
}
function parse_reference() {
var result0, result1, result2, result3;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
result1 = parse_identifier();
if (result1 !== null) {
result2 = parse_filters();
if (result2 !== null) {
result3 = parse_rd();
if (result3 !== null) {
result0 = [result0, result1, result2, result3];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, n, f) { return ["reference", n, f].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[1], result0[2]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("reference");
}
return result0;
}
function parse_partial() {
var result0, result1, result2, result3, result4, result5, result6, result7, result8;
var pos0, pos1, pos2;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
if (input.charCodeAt(pos.offset) === 62) {
result1 = ">";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\">\"");
}
}
if (result1 === null) {
if (input.charCodeAt(pos.offset) === 43) {
result1 = "+";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"+\"");
}
}
}
if (result1 !== null) {
result2 = [];
result3 = parse_ws();
while (result3 !== null) {
result2.push(result3);
result3 = parse_ws();
}
if (result2 !== null) {
pos2 = clone(pos);
result3 = parse_key();
if (result3 !== null) {
result3 = (function(offset, line, column, k) {return ["literal", k]})(pos2.offset, pos2.line, pos2.column, result3);
}
if (result3 === null) {
pos = clone(pos2);
}
if (result3 === null) {
result3 = parse_inline();
}
if (result3 !== null) {
result4 = parse_context();
if (result4 !== null) {
result5 = parse_params();
if (result5 !== null) {
result6 = [];
result7 = parse_ws();
while (result7 !== null) {
result6.push(result7);
result7 = parse_ws();
}
if (result6 !== null) {
if (input.charCodeAt(pos.offset) === 47) {
result7 = "/";
advance(pos, 1);
} else {
result7 = null;
if (reportFailures === 0) {
matchFailed("\"/\"");
}
}
if (result7 !== null) {
result8 = parse_rd();
if (result8 !== null) {
result0 = [result0, result1, result2, result3, result4, result5, result6, result7, result8];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, s, n, c, p) { var key = (s ===">")? "partial" : s; return [key, n, c, p].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[1], result0[3], result0[4], result0[5]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("partial");
}
return result0;
}
function parse_filters() {
var result0, result1, result2;
var pos0, pos1, pos2;
reportFailures++;
pos0 = clone(pos);
result0 = [];
pos1 = clone(pos);
pos2 = clone(pos);
if (input.charCodeAt(pos.offset) === 124) {
result1 = "|";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"|\"");
}
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, n) {return n})(pos1.offset, pos1.line, pos1.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos1);
}
while (result1 !== null) {
result0.push(result1);
pos1 = clone(pos);
pos2 = clone(pos);
if (input.charCodeAt(pos.offset) === 124) {
result1 = "|";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"|\"");
}
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, n) {return n})(pos1.offset, pos1.line, pos1.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos1);
}
}
if (result0 !== null) {
result0 = (function(offset, line, column, f) { return ["filters"].concat(f) })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("filters");
}
return result0;
}
function parse_special() {
var result0, result1, result2, result3;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
if (input.charCodeAt(pos.offset) === 126) {
result1 = "~";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"~\"");
}
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
result3 = parse_rd();
if (result3 !== null) {
result0 = [result0, result1, result2, result3];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, k) { return ["special", k].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[2]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("special");
}
return result0;
}
function parse_identifier() {
var result0;
var pos0;
reportFailures++;
pos0 = clone(pos);
result0 = parse_path();
if (result0 !== null) {
result0 = (function(offset, line, column, p) { var arr = ["path"].concat(p); arr.text = p[1].join('.'); return arr; })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
result0 = parse_key();
if (result0 !== null) {
result0 = (function(offset, line, column, k) { var arr = ["key", k]; arr.text = k; return arr; })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("identifier");
}
return result0;
}
function parse_number() {
var result0;
var pos0;
reportFailures++;
pos0 = clone(pos);
result0 = parse_float();
if (result0 === null) {
result0 = parse_integer();
}
if (result0 !== null) {
result0 = (function(offset, line, column, n) { return ['literal', n]; })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("number");
}
return result0;
}
function parse_float() {
var result0, result1, result2, result3;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_integer();
if (result0 !== null) {
if (input.charCodeAt(pos.offset) === 46) {
result1 = ".";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\".\"");
}
}
if (result1 !== null) {
result3 = parse_integer();
if (result3 !== null) {
result2 = [];
while (result3 !== null) {
result2.push(result3);
result3 = parse_integer();
}
} else {
result2 = null;
}
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, l, r) { return parseFloat(l + "." + r.join('')); })(pos0.offset, pos0.line, pos0.column, result0[0], result0[2]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("float");
}
return result0;
}
function parse_integer() {
var result0, result1;
var pos0;
reportFailures++;
pos0 = clone(pos);
if (/^[0-9]/.test(input.charAt(pos.offset))) {
result1 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[0-9]");
}
}
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
if (/^[0-9]/.test(input.charAt(pos.offset))) {
result1 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[0-9]");
}
}
}
} else {
result0 = null;
}
if (result0 !== null) {
result0 = (function(offset, line, column, digits) { return parseInt(digits.join(""), 10); })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("integer");
}
return result0;
}
function parse_path() {
var result0, result1, result2;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_key();
result0 = result0 !== null ? result0 : "";
if (result0 !== null) {
result2 = parse_array_part();
if (result2 === null) {
result2 = parse_array();
}
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
result2 = parse_array_part();
if (result2 === null) {
result2 = parse_array();
}
}
} else {
result1 = null;
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, k, d) {
d = d[0];
if (k && d) {
d.unshift(k);
return [false, d].concat([['line', line], ['col', column]]);
}
return [true, d].concat([['line', line], ['col', column]]);
})(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
pos1 = clone(pos);
if (input.charCodeAt(pos.offset) === 46) {
result0 = ".";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\".\"");
}
}
if (result0 !== null) {
result1 = [];
result2 = parse_array_part();
if (result2 === null) {
result2 = parse_array();
}
while (result2 !== null) {
result1.push(result2);
result2 = parse_array_part();
if (result2 === null) {
result2 = parse_array();
}
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, d) {
if (d.length > 0) {
return [true, d[0]].concat([['line', line], ['col', column]]);
}
return [true, []].concat([['line', line], ['col', column]]);
})(pos0.offset, pos0.line, pos0.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("path");
}
return result0;
}
function parse_key() {
var result0, result1, result2;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
if (/^[a-zA-Z_$]/.test(input.charAt(pos.offset))) {
result0 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("[a-zA-Z_$]");
}
}
if (result0 !== null) {
result1 = [];
if (/^[0-9a-zA-Z_$\-]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[0-9a-zA-Z_$\\-]");
}
}
while (result2 !== null) {
result1.push(result2);
if (/^[0-9a-zA-Z_$\-]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[0-9a-zA-Z_$\\-]");
}
}
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, h, t) { return h + t.join('') })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("key");
}
return result0;
}
function parse_array() {
var result0, result1, result2;
var pos0, pos1, pos2, pos3, pos4;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
result0 = parse_lb();
if (result0 !== null) {
pos4 = clone(pos);
if (/^[0-9]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[0-9]");
}
}
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
if (/^[0-9]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[0-9]");
}
}
}
} else {
result1 = null;
}
if (result1 !== null) {
result1 = (function(offset, line, column, n) {return n.join('')})(pos4.offset, pos4.line, pos4.column, result1);
}
if (result1 === null) {
pos = clone(pos4);
}
if (result1 === null) {
result1 = parse_identifier();
}
if (result1 !== null) {
result2 = parse_rb();
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = clone(pos3);
}
} else {
result0 = null;
pos = clone(pos3);
}
} else {
result0 = null;
pos = clone(pos3);
}
if (result0 !== null) {
result0 = (function(offset, line, column, a) {return a; })(pos2.offset, pos2.line, pos2.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos2);
}
if (result0 !== null) {
result1 = parse_array_part();
result1 = result1 !== null ? result1 : "";
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, i, nk) { if(nk) { nk.unshift(i); } else {nk = [i] } return nk; })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("array");
}
return result0;
}
function parse_array_part() {
var result0, result1, result2;
var pos0, pos1, pos2, pos3;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
if (input.charCodeAt(pos.offset) === 46) {
result1 = ".";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\".\"");
}
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos3);
}
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos2);
}
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
pos2 = clone(pos);
pos3 = clone(pos);
if (input.charCodeAt(pos.offset) === 46) {
result1 = ".";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\".\"");
}
}
if (result1 !== null) {
result2 = parse_key();
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos3);
}
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos2);
}
}
} else {
result0 = null;
}
if (result0 !== null) {
result1 = parse_array();
result1 = result1 !== null ? result1 : "";
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, d, a) { if (a) { return d.concat(a); } else { return d; } })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("array_part");
}
return result0;
}
function parse_inline() {
var result0, result1, result2;
var pos0, pos1;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
if (input.charCodeAt(pos.offset) === 34) {
result0 = "\"";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result0 !== null) {
if (input.charCodeAt(pos.offset) === 34) {
result1 = "\"";
advance(pos, 1);
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column) { return ["literal", ""].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
pos1 = clone(pos);
if (input.charCodeAt(pos.offset) === 34) {
result0 = "\"";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result0 !== null) {
result1 = parse_literal();
if (result1 !== null) {
if (input.charCodeAt(pos.offset) === 34) {
result2 = "\"";
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, l) { return ["literal", l].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
pos1 = clone(pos);
if (input.charCodeAt(pos.offset) === 34) {
result0 = "\"";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result0 !== null) {
result2 = parse_inline_part();
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
result2 = parse_inline_part();
}
} else {
result1 = null;
}
if (result1 !== null) {
if (input.charCodeAt(pos.offset) === 34) {
result2 = "\"";
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"\\\"\"");
}
}
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, p) { return ["body"].concat(p).concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
}
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("inline");
}
return result0;
}
function parse_inline_part() {
var result0;
var pos0;
result0 = parse_special();
if (result0 === null) {
result0 = parse_reference();
if (result0 === null) {
pos0 = clone(pos);
result0 = parse_literal();
if (result0 !== null) {
result0 = (function(offset, line, column, l) { return ["buffer", l] })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
}
}
return result0;
}
function parse_buffer() {
var result0, result1, result2, result3, result4;
var pos0, pos1, pos2, pos3;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
result0 = parse_eol();
if (result0 !== null) {
result1 = [];
result2 = parse_ws();
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, e, w) { return ["format", e, w.join('')].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
if (result0 === null) {
pos0 = clone(pos);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
reportFailures++;
result1 = parse_tag();
reportFailures--;
if (result1 === null) {
result1 = "";
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
pos3 = clone(pos);
reportFailures++;
result2 = parse_comment();
reportFailures--;
if (result2 === null) {
result2 = "";
} else {
result2 = null;
pos = clone(pos3);
}
if (result2 !== null) {
pos3 = clone(pos);
reportFailures++;
result3 = parse_eol();
reportFailures--;
if (result3 === null) {
result3 = "";
} else {
result3 = null;
pos = clone(pos3);
}
if (result3 !== null) {
if (input.length > pos.offset) {
result4 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result4 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result4 !== null) {
result1 = [result1, result2, result3, result4];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[3]);
}
if (result1 === null) {
pos = clone(pos1);
}
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
reportFailures++;
result1 = parse_tag();
reportFailures--;
if (result1 === null) {
result1 = "";
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
pos3 = clone(pos);
reportFailures++;
result2 = parse_comment();
reportFailures--;
if (result2 === null) {
result2 = "";
} else {
result2 = null;
pos = clone(pos3);
}
if (result2 !== null) {
pos3 = clone(pos);
reportFailures++;
result3 = parse_eol();
reportFailures--;
if (result3 === null) {
result3 = "";
} else {
result3 = null;
pos = clone(pos3);
}
if (result3 !== null) {
if (input.length > pos.offset) {
result4 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result4 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result4 !== null) {
result1 = [result1, result2, result3, result4];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[3]);
}
if (result1 === null) {
pos = clone(pos1);
}
}
} else {
result0 = null;
}
if (result0 !== null) {
result0 = (function(offset, line, column, b) { return ["buffer", b.join('')].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("buffer");
}
return result0;
}
function parse_literal() {
var result0, result1, result2;
var pos0, pos1, pos2, pos3;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
reportFailures++;
result1 = parse_tag();
reportFailures--;
if (result1 === null) {
result1 = "";
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
result2 = parse_esc();
if (result2 === null) {
if (/^[^"]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^\"]");
}
}
}
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos1);
}
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
pos1 = clone(pos);
pos2 = clone(pos);
pos3 = clone(pos);
reportFailures++;
result1 = parse_tag();
reportFailures--;
if (result1 === null) {
result1 = "";
} else {
result1 = null;
pos = clone(pos3);
}
if (result1 !== null) {
result2 = parse_esc();
if (result2 === null) {
if (/^[^"]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^\"]");
}
}
}
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = clone(pos2);
}
} else {
result1 = null;
pos = clone(pos2);
}
if (result1 !== null) {
result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[1]);
}
if (result1 === null) {
pos = clone(pos1);
}
}
} else {
result0 = null;
}
if (result0 !== null) {
result0 = (function(offset, line, column, b) { return b.join('') })(pos0.offset, pos0.line, pos0.column, result0);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("literal");
}
return result0;
}
function parse_esc() {
var result0;
var pos0;
pos0 = clone(pos);
if (input.substr(pos.offset, 2) === "\\\"") {
result0 = "\\\"";
advance(pos, 2);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\\\\\\"\"");
}
}
if (result0 !== null) {
result0 = (function(offset, line, column) { return '"' })(pos0.offset, pos0.line, pos0.column);
}
if (result0 === null) {
pos = clone(pos0);
}
return result0;
}
function parse_comment() {
var result0, result1, result2, result3;
var pos0, pos1, pos2, pos3, pos4;
reportFailures++;
pos0 = clone(pos);
pos1 = clone(pos);
if (input.substr(pos.offset, 2) === "{!") {
result0 = "{!";
advance(pos, 2);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"{!\"");
}
}
if (result0 !== null) {
result1 = [];
pos2 = clone(pos);
pos3 = clone(pos);
pos4 = clone(pos);
reportFailures++;
if (input.substr(pos.offset, 2) === "!}") {
result2 = "!}";
advance(pos, 2);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"!}\"");
}
}
reportFailures--;
if (result2 === null) {
result2 = "";
} else {
result2 = null;
pos = clone(pos4);
}
if (result2 !== null) {
if (input.length > pos.offset) {
result3 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result3 !== null) {
result2 = [result2, result3];
} else {
result2 = null;
pos = clone(pos3);
}
} else {
result2 = null;
pos = clone(pos3);
}
if (result2 !== null) {
result2 = (function(offset, line, column, c) {return c})(pos2.offset, pos2.line, pos2.column, result2[1]);
}
if (result2 === null) {
pos = clone(pos2);
}
while (result2 !== null) {
result1.push(result2);
pos2 = clone(pos);
pos3 = clone(pos);
pos4 = clone(pos);
reportFailures++;
if (input.substr(pos.offset, 2) === "!}") {
result2 = "!}";
advance(pos, 2);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"!}\"");
}
}
reportFailures--;
if (result2 === null) {
result2 = "";
} else {
result2 = null;
pos = clone(pos4);
}
if (result2 !== null) {
if (input.length > pos.offset) {
result3 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result3 !== null) {
result2 = [result2, result3];
} else {
result2 = null;
pos = clone(pos3);
}
} else {
result2 = null;
pos = clone(pos3);
}
if (result2 !== null) {
result2 = (function(offset, line, column, c) {return c})(pos2.offset, pos2.line, pos2.column, result2[1]);
}
if (result2 === null) {
pos = clone(pos2);
}
}
if (result1 !== null) {
if (input.substr(pos.offset, 2) === "!}") {
result2 = "!}";
advance(pos, 2);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\"!}\"");
}
}
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
} else {
result0 = null;
pos = clone(pos1);
}
if (result0 !== null) {
result0 = (function(offset, line, column, c) { return ["comment", c.join('')].concat([['line', line], ['col', column]]) })(pos0.offset, pos0.line, pos0.column, result0[1]);
}
if (result0 === null) {
pos = clone(pos0);
}
reportFailures--;
if (reportFailures === 0 && result0 === null) {
matchFailed("comment");
}
return result0;
}
function parse_tag() {
var result0, result1, result2, result3, result4, result5, result6, result7;
var pos0, pos1, pos2;
pos0 = clone(pos);
result0 = parse_ld();
if (result0 !== null) {
result1 = [];
result2 = parse_ws();
while (result2 !== null) {
result1.push(result2);
result2 = parse_ws();
}
if (result1 !== null) {
if (/^[#?^><+%:@\/~%]/.test(input.charAt(pos.offset))) {
result2 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[#?^><+%:@\\/~%]");
}
}
if (result2 !== null) {
result3 = [];
result4 = parse_ws();
while (result4 !== null) {
result3.push(result4);
result4 = parse_ws();
}
if (result3 !== null) {
pos1 = clone(pos);
pos2 = clone(pos);
reportFailures++;
result5 = parse_rd();
reportFailures--;
if (result5 === null) {
result5 = "";
} else {
result5 = null;
pos = clone(pos2);
}
if (result5 !== null) {
pos2 = clone(pos);
reportFailures++;
result6 = parse_eol();
reportFailures--;
if (result6 === null) {
result6 = "";
} else {
result6 = null;
pos = clone(pos2);
}
if (result6 !== null) {
if (input.length > pos.offset) {
result7 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result7 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result7 !== null) {
result5 = [result5, result6, result7];
} else {
result5 = null;
pos = clone(pos1);
}
} else {
result5 = null;
pos = clone(pos1);
}
} else {
result5 = null;
pos = clone(pos1);
}
if (result5 !== null) {
result4 = [];
while (result5 !== null) {
result4.push(result5);
pos1 = clone(pos);
pos2 = clone(pos);
reportFailures++;
result5 = parse_rd();
reportFailures--;
if (result5 === null) {
result5 = "";
} else {
result5 = null;
pos = clone(pos2);
}
if (result5 !== null) {
pos2 = clone(pos);
reportFailures++;
result6 = parse_eol();
reportFailures--;
if (result6 === null) {
result6 = "";
} else {
result6 = null;
pos = clone(pos2);
}
if (result6 !== null) {
if (input.length > pos.offset) {
result7 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result7 = null;
if (reportFailures === 0) {
matchFailed("any character");
}
}
if (result7 !== null) {
result5 = [result5, result6, result7];
} else {
result5 = null;
pos = clone(pos1);
}
} else {
result5 = null;
pos = clone(pos1);
}
} else {
result5 = null;
pos = clone(pos1);
}
}
} else {
result4 = null;
}
if (result4 !== null) {
result5 = [];
result6 = parse_ws();
while (result6 !== null) {
result5.push(result6);
result6 = parse_ws();
}
if (result5 !== null) {
result6 = parse_rd();
if (result6 !== null) {
result0 = [result0, result1, result2, result3, result4, result5, result6];
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
} else {
result0 = null;
pos = clone(pos0);
}
if (result0 === null) {
result0 = parse_reference();
}
return result0;
}
function parse_ld() {
var result0;
if (input.charCodeAt(pos.offset) === 123) {
result0 = "{";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"{\"");
}
}
return result0;
}
function parse_rd() {
var result0;
if (input.charCodeAt(pos.offset) === 125) {
result0 = "}";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"}\"");
}
}
return result0;
}
function parse_lb() {
var result0;
if (input.charCodeAt(pos.offset) === 91) {
result0 = "[";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"[\"");
}
}
return result0;
}
function parse_rb() {
var result0;
if (input.charCodeAt(pos.offset) === 93) {
result0 = "]";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"]\"");
}
}
return result0;
}
function parse_eol() {
var result0;
if (input.charCodeAt(pos.offset) === 10) {
result0 = "\n";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\n\"");
}
}
if (result0 === null) {
if (input.substr(pos.offset, 2) === "\r\n") {
result0 = "\r\n";
advance(pos, 2);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\r\\n\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos.offset) === 13) {
result0 = "\r";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\r\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos.offset) === 8232) {
result0 = "\u2028";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\u2028\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos.offset) === 8233) {
result0 = "\u2029";
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\u2029\"");
}
}
}
}
}
}
return result0;
}
function parse_ws() {
var result0;
if (/^[\t\x0B\f \xA0\uFEFF]/.test(input.charAt(pos.offset))) {
result0 = input.charAt(pos.offset);
advance(pos, 1);
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("[\\t\\x0B\\f \\xA0\\uFEFF]");
}
}
if (result0 === null) {
result0 = parse_eol();
}
return result0;
}
function cleanupExpected(expected) {
expected.sort();
var lastExpected = null;
var cleanExpected = [];
for (var i = 0; i < expected.length; i++) {
if (expected[i] !== lastExpected) {
cleanExpected.push(expected[i]);
lastExpected = expected[i];
}
}
return cleanExpected;
}
var result = parseFunctions[startRule]();
/*
* The parser is now in one of the following three states:
*
* 1. The parser successfully parsed the whole input.
*
* - |result !== null|
* - |pos.offset === input.length|
* - |rightmostFailuresExpected| may or may not contain something
*
* 2. The parser successfully parsed only a part of the input.
*
* - |result !== null|
* - |pos.offset < input.length|
* - |rightmostFailuresExpected| may or may not contain something
*
* 3. The parser did not successfully parse any part of the input.
*
* - |result === null|
* - |pos.offset === 0|
* - |rightmostFailuresExpected| contains at least one failure
*
* All code following this comment (including called functions) must
* handle these states.
*/
if (result === null || pos.offset !== input.length) {
var offset = Math.max(pos.offset, rightmostFailuresPos.offset);
var found = offset < input.length ? input.charAt(offset) : null;
var errorPosition = pos.offset > rightmostFailuresPos.offset ? pos : rightmostFailuresPos;
throw new parser.SyntaxError(
cleanupExpected(rightmostFailuresExpected),
found,
offset,
errorPosition.line,
errorPosition.column
);
}
return result;
},
/* Returns the parser source code. */
toSource: function() { return this._source; }
};
/* Thrown when a parser encounters a syntax error. */
parser.SyntaxError = function(expected, found, offset, line, column) {
function buildMessage(expected, found) {
var expectedHumanized, foundHumanized;
switch (expected.length) {
case 0:
expectedHumanized = "end of input";
break;
case 1:
expectedHumanized = expected[0];
break;
default:
expectedHumanized = expected.slice(0, expected.length - 1).join(", ")
+ " or "
+ expected[expected.length - 1];
}
foundHumanized = found ? quote(found) : "end of input";
return "Expected " + expectedHumanized + " but " + foundHumanized + " found.";
}
this.name = "SyntaxError";
this.expected = expected;
this.found = found;
this.message = buildMessage(expected, found);
this.offset = offset;
this.line = line;
this.column = column;
};
parser.SyntaxError.prototype = Error.prototype;
dust.parse = parser.parse;
dust.compile = function(source, name) {
try {
var ast = filterAST(dust.parse(source));
return compile(ast, name);
}
catch(err)
{
if(!err.line || !err.column) throw err;
throw new SyntaxError(err.message + " At line : " + err.line + ", column : " + err.column);
}
};
function filterAST(ast) {
var context = {};
return dust.filterNode(context, ast);
};
dust.filterNode = function(context, node) {
return dust.optimizers[node[0]](context, node);
};
dust.optimizers = {
body: compactBuffers,
buffer: noop,
special: convertSpecial,
format: nullify, // TODO: convert format
reference: visit,
"#": visit,
"?": visit,
"^": visit,
"<": visit,
"+": visit,
"@": visit,
"%": visit,
partial: visit,
context: visit,
params: visit,
bodies: visit,
param: visit,
filters: noop,
key: noop,
path: noop,
literal: noop,
comment: nullify,
line: nullify,
col: nullify
};
dust.pragmas = {
esc: function(compiler, context, bodies, params) {
var old = compiler.auto;
if (!context) context = 'h';
compiler.auto = (context === 's') ? '' : context;
var out = compileParts(compiler, bodies.block);
compiler.auto = old;
return out;
}
};
function visit(context, node) {
var out = [node[0]];
for (var i=1, len=node.length; i<len; i++) {
var res = dust.filterNode(context, node[i]);
if (res) out.push(res);
}
return out;
};
// Compacts consecutive buffer nodes into a single node
function compactBuffers(context, node) {
var out = [node[0]], memo;
for (var i=1, len=node.length; i<len; i++) {
var res = dust.filterNode(context, node[i]);
if (res) {
if (res[0] === 'buffer') {
if (memo) {
memo[1] += res[1];
} else {
memo = res;
out.push(res);
}
} else {
memo = null;
out.push(res);
}
}
}
return out;
};
var specialChars = {
"s": " ",
"n": "\n",
"r": "\r",
"lb": "{",
"rb": "}"
};
function convertSpecial(context, node) { return ['buffer', specialChars[node[1]]] };
function noop(context, node) { return node };
function nullify(){};
function compile(ast, name) {
var context = {
name: name,
bodies: [],
blocks: {},
index: 0,
auto: "h"
}
return "(function(){dust.register("
+ (name ? "\"" + name + "\"" : "null") + ","
+ dust.compileNode(context, ast)
+ ");"
+ compileBlocks(context)
+ compileBodies(context)
+ "return body_0;"
+ "})();";
};
function compileBlocks(context) {
var out = [],
blocks = context.blocks;
for (var name in blocks) {
out.push("'" + name + "':" + blocks[name]);
}
if (out.length) {
context.blocks = "ctx=ctx.shiftBlocks(blocks);";
return "var blocks={" + out.join(',') + "};";
}
return context.blocks = "";
};
function compileBodies(context) {
var out = [],
bodies = context.bodies,
blx = context.blocks;
for (var i=0, len=bodies.length; i<len; i++) {
out[i] = "function body_" + i + "(chk,ctx){"
+ blx + "return chk" + bodies[i] + ";}";
}
return out.join('');
};
function compileParts(context, body) {
var parts = '';
for (var i=1, len=body.length; i<len; i++) {
parts += dust.compileNode(context, body[i]);
}
return parts;
};
dust.compileNode = function(context, node) {
return dust.nodes[node[0]](context, node);
};
dust.nodes = {
body: function(context, node) {
var id = context.index++, name = "body_" + id;
context.bodies[id] = compileParts(context, node);
return name;
},
buffer: function(context, node) {
return ".write(" + escape(node[1]) + ")";
},
format: function(context, node) {
return ".write(" + escape(node[1] + node[2]) + ")";
},
reference: function(context, node) {
return ".reference(" + dust.compileNode(context, node[1])
+ ",ctx," + dust.compileNode(context, node[2]) + ")";
},
"#": function(context, node) {
return compileSection(context, node, "section");
},
"?": function(context, node) {
return compileSection(context, node, "exists");
},
"^": function(context, node) {
return compileSection(context, node, "notexists");
},
"<": function(context, node) {
var bodies = node[4];
for (var i=1, len=bodies.length; i<len; i++) {
var param = bodies[i],
type = param[1][1];
if (type === "block") {
context.blocks[node[1].text] = dust.compileNode(context, param[2]);
return '';
}
}
return '';
},
"+": function(context, node) {
if(typeof(node[1].text) === "undefined" && typeof(node[4]) === "undefined"){
return ".block(ctx.getBlock("
+ dust.compileNode(context, node[1])
+ ",chk, ctx)," + dust.compileNode(context, node[2]) + ", {},"
+ dust.compileNode(context, node[3])
+ ")";
}else {
return ".block(ctx.getBlock("
+ escape(node[1].text)
+ ")," + dust.compileNode(context, node[2]) + ","
+ dust.compileNode(context, node[4]) + ","
+ dust.compileNode(context, node[3])
+ ")";
}
},
"@": function(context, node) {
return ".helper("
+ escape(node[1].text)
+ "," + dust.compileNode(context, node[2]) + ","
+ dust.compileNode(context, node[4]) + ","
+ dust.compileNode(context, node[3])
+ ")";
},
"%": function(context, node) {
// TODO: Move these hacks into pragma precompiler
var name = node[1][1];
if (!dust.pragmas[name]) return '';
var rawBodies = node[4];
var bodies = {};
for (var i=1, len=rawBodies.length; i<len; i++) {
var b = rawBodies[i];
bodies[b[1][1]] = b[2];
}
var rawParams = node[3];
var params = {};
for (var i=1, len=rawParams.length; i<len; i++) {
var p = rawParams[i];
params[p[1][1]] = p[2][1];
}
var ctx = node[2][1] ? node[2][1].text : null;
return dust.pragmas[name](context, ctx, bodies, params);
},
partial: function(context, node) {
return ".partial("
+ dust.compileNode(context, node[1])
+ "," + dust.compileNode(context, node[2])
+ "," + dust.compileNode(context, node[3]) + ")";
},
context: function(context, node) {
if (node[1]) {
return "ctx.rebase(" + dust.compileNode(context, node[1]) + ")";
}
return "ctx";
},
params: function(context, node) {
var out = [];
for (var i=1, len=node.length; i<len; i++) {
out.push(dust.compileNode(context, node[i]));
}
if (out.length) {
return "{" + out.join(',') + "}";
}
return "null";
},
bodies: function(context, node) {
var out = [];
for (var i=1, len=node.length; i<len; i++) {
out.push(dust.compileNode(context, node[i]));
}
return "{" + out.join(',') + "}";
},
param: function(context, node) {
return dust.compileNode(context, node[1]) + ":" + dust.compileNode(context, node[2]);
},
filters: function(context, node) {
var list = [];
for (var i=1, len=node.length; i<len; i++) {
var filter = node[i];
list.push("\"" + filter + "\"");
}
return "\"" + context.auto + "\""
+ (list.length ? ",[" + list.join(',') + "]" : '');
},
key: function(context, node) {
return "ctx.get(\"" + node[1] + "\")";
},
path: function(context, node) {
var current = node[1],
keys = node[2],
list = [];
for (var i=0,len=keys.length; i<len; i++) {
if (dust.isArray(keys[i]))
list.push(dust.compileNode(context, keys[i]));
else
list.push("\"" + keys[i] + "\"");
}
return "ctx.getPath(" + current + ",[" + list.join(',') + "])";
},
literal: function(context, node) {
return escape(node[1]);
}
};
function compileSection(context, node, cmd) {
return "." + cmd + "("
+ dust.compileNode(context, node[1])
+ "," + dust.compileNode(context, node[2]) + ","
+ dust.compileNode(context, node[4]) + ","
+ dust.compileNode(context, node[3])
+ ")";
};
var escape = (typeof JSON === "undefined")
? function(str) { return "\"" + dust.escapeJs(str) + "\"" }
: JSON.stringify;
return dust;
});
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