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// mostache, mo'mustache (mustache 8.1 fork )
/*!
/*!
* mustache.js - Logic-less {{mustache}} templates with JavaScript
* mustache.js - Logic-less {{mustache}} templates with JavaScript
* http://github.com/janl/mustache.js
* http://github.com/janl/mustache.js
*/
*/
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/* modified by dandavis to become Mo'stache v0.8.2a
mustache improvements
inspired by dust:
The {SEP} some marker like <hr>, ", ", etc{/SEP} mini-section prints the enclosed block for every value except for the last.
The {INDEX} mini-tag passes the numerical index of the current element to the enclosed block.
my idea, somewhat like angular but not custom code:
{{phone.connectivity.radio | escape }} - any function that outputs stringy things, including eval
EX: {{name|escape|btoa}} // uses global functions
EX: {{|Math.random}} // uses global function
EX: {{name|.bold}} // uses self method (w/o arguments), indidcated by dot prefix
EX: {{name.bold}} // (native method mustache behaviour over-ride)
EX: {{numbers|JSON.stringify}} //uses global path
EX: {{123 * 456 |eval}} // uses expression and eval() for opt-in overloading/active processing
*/
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/*global define: false*/
/*global define: false*/
(function (global, factory) {
(function (global, factory) {
if (typeof exports === "object" && exports) {
if (typeof exports === "object" && exports) {
factory(exports); // CommonJS
factory(exports); // CommonJS
} else if (typeof define === "function" && define.amd) {
} else if (typeof define === "function" && define.amd) {
define(['exports'], factory); // AMD
define(['exports'], factory); // AMD
} else {
} else {
factory(global.Mustache = {}); // <script>
factory(global.Mustache = {}); // <script>
}
}
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}(this, function
(mustache) {
factory.global=global;
}(this, function
mostache
(mustache) {
function resolve(start, path) {
return path.split(/[\.,]/).reduce(function(obj, prop) {
return obj && obj[prop];
}, start);
}
var Object_toString = Object.prototype.toString;
var Object_toString = Object.prototype.toString;
var isArray = Array.isArray || function (object) {
var isArray = Array.isArray || function (object) {
return Object_toString.call(object) === '[object Array]';
return Object_toString.call(object) === '[object Array]';
};
};
function isFunction(object) {
function isFunction(object) {
return typeof object === 'function';
return typeof object === 'function';
}
}
function escapeRegExp(string) {
function escapeRegExp(string) {
return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
}
}
// Workaround for https://issues.apache.org/jira/browse/COUCHDB-577
// Workaround for https://issues.apache.org/jira/browse/COUCHDB-577
// See https://github.com/janl/mustache.js/issues/189
// See https://github.com/janl/mustache.js/issues/189
var RegExp_test = RegExp.prototype.test;
var RegExp_test = RegExp.prototype.test;
function testRegExp(re, string) {
function testRegExp(re, string) {
return RegExp_test.call(re, string);
return RegExp_test.call(re, string);
}
}
var nonSpaceRe = /\S/;
var nonSpaceRe = /\S/;
function isWhitespace(string) {
function isWhitespace(string) {
return !testRegExp(nonSpaceRe, string);
return !testRegExp(nonSpaceRe, string);
}
}
var entityMap = {
var entityMap = {
"&": "&",
"&": "&",
"<": "<",
"<": "<",
">": ">",
">": ">",
'"': '"',
'"': '"',
"'": ''',
"'": ''',
"/": '/'
"/": '/'
};
};
function escapeHtml(string) {
function escapeHtml(string) {
return String(string).replace(/[&<>"'\/]/g, function (s) {
return String(string).replace(/[&<>"'\/]/g, function (s) {
return entityMap[s];
return entityMap[s];
});
});
}
}
var whiteRe = /\s*/;
var whiteRe = /\s*/;
var spaceRe = /\s+/;
var spaceRe = /\s+/;
var equalsRe = /\s*=/;
var equalsRe = /\s*=/;
var curlyRe = /\s*\}/;
var curlyRe = /\s*\}/;
var tagRe = /#|\^|\/|>|\{|&|=|!/;
var tagRe = /#|\^|\/|>|\{|&|=|!/;
/**
/**
* Breaks up the given `template` string into a tree of tokens. If the `tags`
* Breaks up the given `template` string into a tree of tokens. If the `tags`
* argument is given here it must be an array with two string values: the
* argument is given here it must be an array with two string values: the
* opening and closing tags used in the template (e.g. [ "<%", "%>" ]). Of
* opening and closing tags used in the template (e.g. [ "<%", "%>" ]). Of
* course, the default is to use mustaches (i.e. mustache.tags).
* course, the default is to use mustaches (i.e. mustache.tags).
*
*
* A token is an array with at least 4 elements. The first element is the
* A token is an array with at least 4 elements. The first element is the
* mustache symbol that was used inside the tag, e.g. "#" or "&". If the tag
* mustache symbol that was used inside the tag, e.g. "#" or "&". If the tag
* did not contain a symbol (i.e. {{myValue}}) this element is "name". For
* did not contain a symbol (i.e. {{myValue}}) this element is "name". For
* all text that appears outside a symbol this element is "text".
* all text that appears outside a symbol this element is "text".
*
*
* The second element of a token is its "value". For mustache tags this is
* The second element of a token is its "value". For mustache tags this is
* whatever else was inside the tag besides the opening symbol. For text tokens
* whatever else was inside the tag besides the opening symbol. For text tokens
* this is the text itself.
* this is the text itself.
*
*
* The third and fourth elements of the token are the start and end indices,
* The third and fourth elements of the token are the start and end indices,
* respectively, of the token in the original template.
* respectively, of the token in the original template.
*
*
* Tokens that are the root node of a subtree contain two more elements: 1) an
* Tokens that are the root node of a subtree contain two more elements: 1) an
* array of tokens in the subtree and 2) the index in the original template at
* array of tokens in the subtree and 2) the index in the original template at
* which the closing tag for that section begins.
* which the closing tag for that section begins.
*/
*/
function parseTemplate(template, tags) {
function parseTemplate(template, tags) {
if (!template)
if (!template)
return [];
return [];
var sections = []; // Stack to hold section tokens
var sections = []; // Stack to hold section tokens
var tokens = []; // Buffer to hold the tokens
var tokens = []; // Buffer to hold the tokens
var spaces = []; // Indices of whitespace tokens on the current line
var spaces = []; // Indices of whitespace tokens on the current line
var hasTag = false; // Is there a {{tag}} on the current line?
var hasTag = false; // Is there a {{tag}} on the current line?
var nonSpace = false; // Is there a non-space char on the current line?
var nonSpace = false; // Is there a non-space char on the current line?
// Strips all whitespace tokens array for the current line
// Strips all whitespace tokens array for the current line
// if there was a {{#tag}} on it and otherwise only space.
// if there was a {{#tag}} on it and otherwise only space.
function stripSpace() {
function stripSpace() {
Diff salvati
Testo originale
Apri file
/*! * mustache.js - Logic-less {{mustache}} templates with JavaScript * http://github.com/janl/mustache.js */ /*global define: false*/ (function (global, factory) { if (typeof exports === "object" && exports) { factory(exports); // CommonJS } else if (typeof define === "function" && define.amd) { define(['exports'], factory); // AMD } else { factory(global.Mustache = {}); // <script> } }(this, function (mustache) { var Object_toString = Object.prototype.toString; var isArray = Array.isArray || function (object) { return Object_toString.call(object) === '[object Array]'; }; function isFunction(object) { return typeof object === 'function'; } function escapeRegExp(string) { return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&"); } // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577 // See https://github.com/janl/mustache.js/issues/189 var RegExp_test = RegExp.prototype.test; function testRegExp(re, string) { return RegExp_test.call(re, string); } var nonSpaceRe = /\S/; function isWhitespace(string) { return !testRegExp(nonSpaceRe, string); } var entityMap = { "&": "&", "<": "<", ">": ">", '"': '"', "'": ''', "/": '/' }; function escapeHtml(string) { return String(string).replace(/[&<>"'\/]/g, function (s) { return entityMap[s]; }); } var whiteRe = /\s*/; var spaceRe = /\s+/; var equalsRe = /\s*=/; var curlyRe = /\s*\}/; var tagRe = /#|\^|\/|>|\{|&|=|!/; /** * Breaks up the given `template` string into a tree of tokens. If the `tags` * argument is given here it must be an array with two string values: the * opening and closing tags used in the template (e.g. [ "<%", "%>" ]). Of * course, the default is to use mustaches (i.e. mustache.tags). * * A token is an array with at least 4 elements. The first element is the * mustache symbol that was used inside the tag, e.g. "#" or "&". If the tag * did not contain a symbol (i.e. {{myValue}}) this element is "name". For * all text that appears outside a symbol this element is "text". * * The second element of a token is its "value". For mustache tags this is * whatever else was inside the tag besides the opening symbol. For text tokens * this is the text itself. * * The third and fourth elements of the token are the start and end indices, * respectively, of the token in the original template. * * Tokens that are the root node of a subtree contain two more elements: 1) an * array of tokens in the subtree and 2) the index in the original template at * which the closing tag for that section begins. */ function parseTemplate(template, tags) { if (!template) return []; var sections = []; // Stack to hold section tokens var tokens = []; // Buffer to hold the tokens var spaces = []; // Indices of whitespace tokens on the current line var hasTag = false; // Is there a {{tag}} on the current line? var nonSpace = false; // Is there a non-space char on the current line? // Strips all whitespace tokens array for the current line // if there was a {{#tag}} on it and otherwise only space. function stripSpace() { if (hasTag && !nonSpace) { while (spaces.length) delete tokens[spaces.pop()]; } else { spaces = []; } hasTag = false; nonSpace = false; } var openingTagRe, closingTagRe, closingCurlyRe; function compileTags(tags) { if (typeof tags === 'string') tags = tags.split(spaceRe, 2); if (!isArray(tags) || tags.length !== 2) throw new Error('Invalid tags: ' + tags); openingTagRe = new RegExp(escapeRegExp(tags[0]) + '\\s*'); closingTagRe = new RegExp('\\s*' + escapeRegExp(tags[1])); closingCurlyRe = new RegExp('\\s*' + escapeRegExp('}' + tags[1])); } compileTags(tags || mustache.tags); var scanner = new Scanner(template); var start, type, value, chr, token, openSection; while (!scanner.eos()) { start = scanner.pos; // Match any text between tags. value = scanner.scanUntil(openingTagRe); if (value) { for (var i = 0, valueLength = value.length; i < valueLength; ++i) { chr = value.charAt(i); if (isWhitespace(chr)) { spaces.push(tokens.length); } else { nonSpace = true; } tokens.push([ 'text', chr, start, start + 1 ]); start += 1; // Check for whitespace on the current line. if (chr === '\n') stripSpace(); } } // Match the opening tag. if (!scanner.scan(openingTagRe)) break; hasTag = true; // Get the tag type. type = scanner.scan(tagRe) || 'name'; scanner.scan(whiteRe); // Get the tag value. if (type === '=') { value = scanner.scanUntil(equalsRe); scanner.scan(equalsRe); scanner.scanUntil(closingTagRe); } else if (type === '{') { value = scanner.scanUntil(closingCurlyRe); scanner.scan(curlyRe); scanner.scanUntil(closingTagRe); type = '&'; } else { value = scanner.scanUntil(closingTagRe); } // Match the closing tag. if (!scanner.scan(closingTagRe)) throw new Error('Unclosed tag at ' + scanner.pos); token = [ type, value, start, scanner.pos ]; tokens.push(token); if (type === '#' || type === '^') { sections.push(token); } else if (type === '/') { // Check section nesting. openSection = sections.pop(); if (!openSection) throw new Error('Unopened section "' + value + '" at ' + start); if (openSection[1] !== value) throw new Error('Unclosed section "' + openSection[1] + '" at ' + start); } else if (type === 'name' || type === '{' || type === '&') { nonSpace = true; } else if (type === '=') { // Set the tags for the next time around. compileTags(value); } } // Make sure there are no open sections when we're done. openSection = sections.pop(); if (openSection) throw new Error('Unclosed section "' + openSection[1] + '" at ' + scanner.pos); return nestTokens(squashTokens(tokens)); } /** * Combines the values of consecutive text tokens in the given `tokens` array * to a single token. */ function squashTokens(tokens) { var squashedTokens = []; var token, lastToken; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; if (token) { if (token[0] === 'text' && lastToken && lastToken[0] === 'text') { lastToken[1] += token[1]; lastToken[3] = token[3]; } else { squashedTokens.push(token); lastToken = token; } } } return squashedTokens; } /** * Forms the given array of `tokens` into a nested tree structure where * tokens that represent a section have two additional items: 1) an array of * all tokens that appear in that section and 2) the index in the original * template that represents the end of that section. */ function nestTokens(tokens) { var nestedTokens = []; var collector = nestedTokens; var sections = []; var token, section; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; switch (token[0]) { case '#': case '^': collector.push(token); sections.push(token); collector = token[4] = []; break; case '/': section = sections.pop(); section[5] = token[2]; collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens; break; default: collector.push(token); } } return nestedTokens; } /** * A simple string scanner that is used by the template parser to find * tokens in template strings. */ function Scanner(string) { this.string = string; this.tail = string; this.pos = 0; } /** * Returns `true` if the tail is empty (end of string). */ Scanner.prototype.eos = function () { return this.tail === ""; }; /** * Tries to match the given regular expression at the current position. * Returns the matched text if it can match, the empty string otherwise. */ Scanner.prototype.scan = function (re) { var match = this.tail.match(re); if (!match || match.index !== 0) return ''; var string = match[0]; this.tail = this.tail.substring(string.length); this.pos += string.length; return string; }; /** * Skips all text until the given regular expression can be matched. Returns * the skipped string, which is the entire tail if no match can be made. */ Scanner.prototype.scanUntil = function (re) { var index = this.tail.search(re), match; switch (index) { case -1: match = this.tail; this.tail = ""; break; case 0: match = ""; break; default: match = this.tail.substring(0, index); this.tail = this.tail.substring(index); } this.pos += match.length; return match; }; /** * Represents a rendering context by wrapping a view object and * maintaining a reference to the parent context. */ function Context(view, parentContext) { this.view = view == null ? {} : view; this.cache = { '.': this.view }; this.parent = parentContext; } /** * Creates a new context using the given view with this context * as the parent. */ Context.prototype.push = function (view) { return new Context(view, this); }; /** * Returns the value of the given name in this context, traversing * up the context hierarchy if the value is absent in this context's view. */ Context.prototype.lookup = function (name) { var cache = this.cache; var value; if (name in cache) { value = cache[name]; } else { var context = this, names, index; while (context) { if (name.indexOf('.') > 0) { value = context.view; names = name.split('.'); index = 0; while (value != null && index < names.length) value = value[names[index++]]; } else { value = context.view[name]; } if (value != null) break; context = context.parent; } cache[name] = value; } if (isFunction(value)) value = value.call(this.view); return value; }; /** * A Writer knows how to take a stream of tokens and render them to a * string, given a context. It also maintains a cache of templates to * avoid the need to parse the same template twice. */ function Writer() { this.cache = {}; } /** * Clears all cached templates in this writer. */ Writer.prototype.clearCache = function () { this.cache = {}; }; /** * Parses and caches the given `template` and returns the array of tokens * that is generated from the parse. */ Writer.prototype.parse = function (template, tags) { var cache = this.cache; var tokens = cache[template]; if (tokens == null) tokens = cache[template] = parseTemplate(template, tags); return tokens; }; /** * High-level method that is used to render the given `template` with * the given `view`. * * The optional `partials` argument may be an object that contains the * names and templates of partials that are used in the template. It may * also be a function that is used to load partial templates on the fly * that takes a single argument: the name of the partial. */ Writer.prototype.render = function (template, view, partials) { var tokens = this.parse(template); var context = (view instanceof Context) ? view : new Context(view); return this.renderTokens(tokens, context, partials, template); }; /** * Low-level method that renders the given array of `tokens` using * the given `context` and `partials`. * * Note: The `originalTemplate` is only ever used to extract the portion * of the original template that was contained in a higher-order section. * If the template doesn't use higher-order sections, this argument may * be omitted. */ Writer.prototype.renderTokens = function (tokens, context, partials, originalTemplate) { var buffer = ''; // This function is used to render an arbitrary template // in the current context by higher-order sections. var self = this; function subRender(template) { return self.render(template, context, partials); } var token, value; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; switch (token[0]) { case '#': value = context.lookup(token[1]); if (!value) continue; if (isArray(value)) { for (var j = 0, valueLength = value.length; j < valueLength; ++j) { buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate); } } else if (typeof value === 'object' || typeof value === 'string') { buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate); } else if (isFunction(value)) { if (typeof originalTemplate !== 'string') throw new Error('Cannot use higher-order sections without the original template'); // Extract the portion of the original template that the section contains. value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender); if (value != null) buffer += value; } else { buffer += this.renderTokens(token[4], context, partials, originalTemplate); } break; case '^': value = context.lookup(token[1]); // Use JavaScript's definition of falsy. Include empty arrays. // See https://github.com/janl/mustache.js/issues/186 if (!value || (isArray(value) && value.length === 0)) buffer += this.renderTokens(token[4], context, partials, originalTemplate); break; case '>': if (!partials) continue; value = isFunction(partials) ? partials(token[1]) : partials[token[1]]; if (value != null) buffer += this.renderTokens(this.parse(value), context, partials, value); break; case '&': value = context.lookup(token[1]); if (value != null) buffer += value; break; case 'name': value = context.lookup(token[1]); if (value != null) buffer += mustache.escape(value); break; case 'text': buffer += token[1]; break; } } return buffer; }; mustache.name = "mustache.js"; mustache.version = "0.8.1"; mustache.tags = [ "{{", "}}" ]; // All high-level mustache.* functions use this writer. var defaultWriter = new Writer(); /** * Clears all cached templates in the default writer. */ mustache.clearCache = function () { return defaultWriter.clearCache(); }; /** * Parses and caches the given template in the default writer and returns the * array of tokens it contains. Doing this ahead of time avoids the need to * parse templates on the fly as they are rendered. */ mustache.parse = function (template, tags) { return defaultWriter.parse(template, tags); }; /** * Renders the `template` with the given `view` and `partials` using the * default writer. */ mustache.render = function (template, view, partials) { return defaultWriter.render(template, view, partials); }; // This is here for backwards compatibility with 0.4.x. mustache.to_html = function (template, view, partials, send) { var result = mustache.render(template, view, partials); if (isFunction(send)) { send(result); } else { return result; } }; // Export the escaping function so that the user may override it. // See https://github.com/janl/mustache.js/issues/244 mustache.escape = escapeHtml; // Export these mainly for testing, but also for advanced usage. mustache.Scanner = Scanner; mustache.Context = Context; mustache.Writer = Writer; }));
Testo modificato
Apri file
// mostache, mo'mustache (mustache 8.1 fork ) /*! * mustache.js - Logic-less {{mustache}} templates with JavaScript * http://github.com/janl/mustache.js */ /* modified by dandavis to become Mo'stache v0.8.2a mustache improvements inspired by dust: The {SEP} some marker like <hr>, ", ", etc{/SEP} mini-section prints the enclosed block for every value except for the last. The {INDEX} mini-tag passes the numerical index of the current element to the enclosed block. my idea, somewhat like angular but not custom code: {{phone.connectivity.radio | escape }} - any function that outputs stringy things, including eval EX: {{name|escape|btoa}} // uses global functions EX: {{|Math.random}} // uses global function EX: {{name|.bold}} // uses self method (w/o arguments), indidcated by dot prefix EX: {{name.bold}} // (native method mustache behaviour over-ride) EX: {{numbers|JSON.stringify}} //uses global path EX: {{123 * 456 |eval}} // uses expression and eval() for opt-in overloading/active processing */ /*global define: false*/ (function (global, factory) { if (typeof exports === "object" && exports) { factory(exports); // CommonJS } else if (typeof define === "function" && define.amd) { define(['exports'], factory); // AMD } else { factory(global.Mustache = {}); // <script> } factory.global=global; }(this, function mostache(mustache) { function resolve(start, path) { return path.split(/[\.,]/).reduce(function(obj, prop) { return obj && obj[prop]; }, start); } var Object_toString = Object.prototype.toString; var isArray = Array.isArray || function (object) { return Object_toString.call(object) === '[object Array]'; }; function isFunction(object) { return typeof object === 'function'; } function escapeRegExp(string) { return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&"); } // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577 // See https://github.com/janl/mustache.js/issues/189 var RegExp_test = RegExp.prototype.test; function testRegExp(re, string) { return RegExp_test.call(re, string); } var nonSpaceRe = /\S/; function isWhitespace(string) { return !testRegExp(nonSpaceRe, string); } var entityMap = { "&": "&", "<": "<", ">": ">", '"': '"', "'": ''', "/": '/' }; function escapeHtml(string) { return String(string).replace(/[&<>"'\/]/g, function (s) { return entityMap[s]; }); } var whiteRe = /\s*/; var spaceRe = /\s+/; var equalsRe = /\s*=/; var curlyRe = /\s*\}/; var tagRe = /#|\^|\/|>|\{|&|=|!/; /** * Breaks up the given `template` string into a tree of tokens. If the `tags` * argument is given here it must be an array with two string values: the * opening and closing tags used in the template (e.g. [ "<%", "%>" ]). Of * course, the default is to use mustaches (i.e. mustache.tags). * * A token is an array with at least 4 elements. The first element is the * mustache symbol that was used inside the tag, e.g. "#" or "&". If the tag * did not contain a symbol (i.e. {{myValue}}) this element is "name". For * all text that appears outside a symbol this element is "text". * * The second element of a token is its "value". For mustache tags this is * whatever else was inside the tag besides the opening symbol. For text tokens * this is the text itself. * * The third and fourth elements of the token are the start and end indices, * respectively, of the token in the original template. * * Tokens that are the root node of a subtree contain two more elements: 1) an * array of tokens in the subtree and 2) the index in the original template at * which the closing tag for that section begins. */ function parseTemplate(template, tags) { if (!template) return []; var sections = []; // Stack to hold section tokens var tokens = []; // Buffer to hold the tokens var spaces = []; // Indices of whitespace tokens on the current line var hasTag = false; // Is there a {{tag}} on the current line? var nonSpace = false; // Is there a non-space char on the current line? // Strips all whitespace tokens array for the current line // if there was a {{#tag}} on it and otherwise only space. function stripSpace() { if (hasTag && !nonSpace) { while (spaces.length) delete tokens[spaces.pop()]; } else { spaces = []; } hasTag = false; nonSpace = false; } var openingTagRe, closingTagRe, closingCurlyRe; function compileTags(tags) { if (typeof tags === 'string') tags = tags.split(spaceRe, 2); if (!isArray(tags) || tags.length !== 2) throw new Error('Invalid tags: ' + tags); openingTagRe = new RegExp(escapeRegExp(tags[0]) + '\\s*'); closingTagRe = new RegExp('\\s*' + escapeRegExp(tags[1])); closingCurlyRe = new RegExp('\\s*' + escapeRegExp('}' + tags[1])); } compileTags(tags || mustache.tags); var scanner = new Scanner(template); var start, type, value, chr, token, openSection; while (!scanner.eos()) { start = scanner.pos; // Match any text between tags. value = scanner.scanUntil(openingTagRe); if (value) { for (var i = 0, valueLength = value.length; i < valueLength; ++i) { chr = value.charAt(i); if (isWhitespace(chr)) { spaces.push(tokens.length); } else { nonSpace = true; } tokens.push([ 'text', chr, start, start + 1 ]); start += 1; // Check for whitespace on the current line. if (chr === '\n') stripSpace(); } } // Match the opening tag. if (!scanner.scan(openingTagRe)) break; hasTag = true; // Get the tag type. type = scanner.scan(tagRe) || 'name'; scanner.scan(whiteRe); // Get the tag value. if (type === '=') { value = scanner.scanUntil(equalsRe); scanner.scan(equalsRe); scanner.scanUntil(closingTagRe); } else if (type === '{') { value = scanner.scanUntil(closingCurlyRe); scanner.scan(curlyRe); scanner.scanUntil(closingTagRe); type = '&'; } else { value = scanner.scanUntil(closingTagRe); } // Match the closing tag. if (!scanner.scan(closingTagRe)) throw new Error('Unclosed tag at ' + scanner.pos); token = [ type, value, start, scanner.pos ]; tokens.push(token); if (type === '#' || type === '^') { sections.push(token); } else if (type === '/') { // Check section nesting. openSection = sections.pop(); if (!openSection) throw new Error('Unopened section "' + value + '" at ' + start); if (openSection[1] !== value) throw new Error('Unclosed section "' + openSection[1] + '" at ' + start); } else if (type === 'name' || type === '{' || type === '&') { nonSpace = true; } else if (type === '=') { // Set the tags for the next time around. compileTags(value); } } // Make sure there are no open sections when we're done. openSection = sections.pop(); if (openSection) throw new Error('Unclosed section "' + openSection[1] + '" at ' + scanner.pos); return nestTokens(squashTokens(tokens)); } /** * Combines the values of consecutive text tokens in the given `tokens` array * to a single token. */ function squashTokens(tokens) { var squashedTokens = []; var token, lastToken; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; if (token) { if (token[0] === 'text' && lastToken && lastToken[0] === 'text') { lastToken[1] += token[1]; lastToken[3] = token[3]; } else { squashedTokens.push(token); lastToken = token; } } } return squashedTokens; } /** * Forms the given array of `tokens` into a nested tree structure where * tokens that represent a section have two additional items: 1) an array of * all tokens that appear in that section and 2) the index in the original * template that represents the end of that section. */ function nestTokens(tokens) { var nestedTokens = []; var collector = nestedTokens; var sections = []; var token, section; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; switch (token[0]) { case '#': case '^': collector.push(token); sections.push(token); collector = token[4] = []; break; case '/': section = sections.pop(); section[5] = token[2]; collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens; break; default: collector.push(token); } } return nestedTokens; } /** * A simple string scanner that is used by the template parser to find * tokens in template strings. */ function Scanner(string) { this.string = string; this.tail = string; this.pos = 0; } /** * Returns `true` if the tail is empty (end of string). */ Scanner.prototype.eos = function () { return this.tail === ""; }; /** * Tries to match the given regular expression at the current position. * Returns the matched text if it can match, the empty string otherwise. */ Scanner.prototype.scan = function (re) { var match = this.tail.match(re); if (!match || match.index !== 0) return ''; var string = match[0]; this.tail = this.tail.substring(string.length); this.pos += string.length; return string; }; /** * Skips all text until the given regular expression can be matched. Returns * the skipped string, which is the entire tail if no match can be made. */ Scanner.prototype.scanUntil = function (re) { var index = this.tail.search(re), match; switch (index) { case -1: match = this.tail; this.tail = ""; break; case 0: match = ""; break; default: match = this.tail.substring(0, index); this.tail = this.tail.substring(index); } this.pos += match.length; return match; }; /** * Represents a rendering context by wrapping a view object and * maintaining a reference to the parent context. */ function Context(view, parentContext) { this.view = view == null ? {} : view; this.cache = { '.': this.view }; this.parent = parentContext; } /** * Creates a new context using the given view with this context * as the parent. */ Context.prototype.push = function (view) { return new Context(view, this); }; /** * Returns the value of the given name in this context, traversing * up the context hierarchy if the value is absent in this context's view. */ Context.prototype.lookup = function (name) { var cache = this.cache; // console.log([name, cache]); var value, rep, useSelf=[], last; if(name.indexOf("|")!==-1){ rep=name.trim().split(/\s*\|\s*/).map(function(a,b){ if(a.slice(0,1)==="."){ useSelf[b-1] = true; //this needs to be set one by one, maybe make an array of booleans up here to use below... a=a.slice(1); } return a; }); name=rep.shift(); } if (name in cache) { value = cache[name]; } else { var context = this, names, index; while (context) { if (name.indexOf('.') > 0) { value = context.view; names = name.split('.'); index = 0; while (value != null && index < names.length){ last=value; value = value[names[index++]]; } } else { value = context.view[name]; } if (value != null) break; context = context.parent; } cache[name] = value; } if(rep){ rep.forEach(function(x, i){ var args=x.split("("); x=args.shift(); if(args.length){ args=args[0].trim().split(")")[0].trim().split(/\s*\,\s*/).map(function(a){ try{return JSON.parse(a);}catch(y){return a;} }); } var o=resolve( useSelf[i] ? (value===undefined?name:value) : mostache.global, x), v=value; if(typeof o ==="function"){ if(value===undefined){ value=name; } try{ if(useSelf[i]){ if(args.length){ value=o.apply(value, args); }else{ value=o.call(value); } }else{ if(args.length){ switch(args.length){ case 1: return value=o(value, args[0]); case 2: return value=o(value, args[0], args[1]); case 3: return value=o(value, args[0], args[1], args[2]); default: return o.apply(this, [value].concat(args)); } }else{ value=o(value); } } }catch(y){ } // shhh }//end if found function? }); // end forEach rep } // end if rep? if (isFunction(value)){ if(String(value).indexOf("[native code]")!==-1 && last){ value=value.call(last); }else{ value = value.call(this.view); } } return value; }; /** * A Writer knows how to take a stream of tokens and render them to a * string, given a context. It also maintains a cache of templates to * avoid the need to parse the same template twice. */ function Writer() { this.cache = {}; } /** * Clears all cached templates in this writer. */ Writer.prototype.clearCache = function () { this.cache = {}; }; /** * Parses and caches the given `template` and returns the array of tokens * that is generated from the parse. */ Writer.prototype.parse = function (template, tags) { var cache = this.cache; var tokens = cache[template]; if (tokens == null) tokens = cache[template] = parseTemplate(template, tags); return tokens; }; /** * High-level method that is used to render the given `template` with * the given `view`. * * The optional `partials` argument may be an object that contains the * names and templates of partials that are used in the template. It may * also be a function that is used to load partial templates on the fly * that takes a single argument: the name of the partial. */ Writer.prototype.render = function (template, view, partials) { var tokens = this.parse(template); var context = (view instanceof Context) ? view : new Context(view); return this.renderTokens(tokens, context, partials, template); }; /** * Low-level method that renders the given array of `tokens` using * the given `context` and `partials`. * * Note: The `originalTemplate` is only ever used to extract the portion * of the original template that was contained in a higher-order section. * If the template doesn't use higher-order sections, this argument may * be omitted. */ Writer.prototype.renderTokens = function (tokens, context, partials, originalTemplate, idx) { var buffer = ''; // This function is used to render an arbitrary template // in the current context by higher-order sections. var self = this; function subRender(template) { return self.render(template, context, partials); } var token, value, sep="$1", sepRX=/\{SEP\}([\w\W]+?)\{\/SEP\}/g; for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) { token = tokens[i]; switch (token[0]) { case '#': value = context.lookup(token[1]); if (!value) continue; if (isArray(value)) { for (var j = 0, valueLength = value.length; j < valueLength; ++j) { sep= (valueLength-1)===j ? "" : "$1"; buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate).replace(/\{INDEX\}/g, j+1).replace(sepRX, sep) } } else if (typeof value === 'object' || typeof value === 'string') { buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate).replace(sepRX, sep); } else if (isFunction(value)) { if (typeof originalTemplate !== 'string') throw new Error('Cannot use higher-order sections without the original template'); // Extract the portion of the original template that the section contains. value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender); if (value != null) buffer += value; } else { buffer += this.renderTokens(token[4], context, partials, originalTemplate); } break; case '^': value = context.lookup(token[1]); // Use JavaScript's definition of falsy. Include empty arrays. // See https://github.com/janl/mustache.js/issues/186 if (!value || (isArray(value) && value.length === 0)) buffer += this.renderTokens(token[4], context, partials, originalTemplate); break; case '>': if (!partials) continue; value = isFunction(partials) ? partials(token[1]) : partials[token[1]]; if (value != null) buffer += this.renderTokens(this.parse(value), context, partials, value); break; case '&': value = context.lookup(token[1]); if (value != null) buffer += value; break; case 'name': value = context.lookup(token[1]); if (value != null) buffer += mustache.escape(value); break; case 'text': buffer += token[1]; break; } } return buffer; }; mustache.name = "mustache.js"; mustache.version = "0.8.1mo"; mustache.tags = [ "{{", "}}" ]; // All high-level mustache.* functions use this writer. var defaultWriter = new Writer(); /** * Clears all cached templates in the default writer. */ mustache.clearCache = function () { return defaultWriter.clearCache(); }; /** * Parses and caches the given template in the default writer and returns the * array of tokens it contains. Doing this ahead of time avoids the need to * parse templates on the fly as they are rendered. */ mustache.parse = function (template, tags) { return defaultWriter.parse(template, tags); }; /** * Renders the `template` with the given `view` and `partials` using the * default writer. */ mustache.render = function (template, view, partials) { return defaultWriter.render(template, view, partials); }; // This is here for backwards compatibility with 0.4.x. mustache.to_html = function (template, view, partials, send) { var result = mustache.render(template, view, partials); if (isFunction(send)) { send(result); } else { return result; } }; // Export the escaping function so that the user may override it. // See https://github.com/janl/mustache.js/issues/244 mustache.escape = escapeHtml; // Export these mainly for testing, but also for advanced usage. mustache.Scanner = Scanner; mustache.Context = Context; mustache.Writer = Writer; }));
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