From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?=
<yaros.rus_89@live.com.mx>
Date: Wed, 29 Nov 2017 11:44:34 +0300
Subject: Initial commit, version 0.5.3
---
node_modules/negotiator/lib/charset.js | 169 ++++++++++++++++++
node_modules/negotiator/lib/encoding.js | 184 +++++++++++++++++++
node_modules/negotiator/lib/language.js | 179 +++++++++++++++++++
node_modules/negotiator/lib/mediaType.js | 294 +++++++++++++++++++++++++++++++
4 files changed, 826 insertions(+)
create mode 100644 node_modules/negotiator/lib/charset.js
create mode 100644 node_modules/negotiator/lib/encoding.js
create mode 100644 node_modules/negotiator/lib/language.js
create mode 100644 node_modules/negotiator/lib/mediaType.js
(limited to 'node_modules/negotiator/lib')
diff --git a/node_modules/negotiator/lib/charset.js b/node_modules/negotiator/lib/charset.js
new file mode 100644
index 0000000..ac4217b
--- /dev/null
+++ b/node_modules/negotiator/lib/charset.js
@@ -0,0 +1,169 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredCharsets;
+module.exports.preferredCharsets = preferredCharsets;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleCharsetRegExp = /^\s*([^\s;]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Charset header.
+ * @private
+ */
+
+function parseAcceptCharset(accept) {
+ var accepts = accept.split(',');
+
+ for (var i = 0, j = 0; i < accepts.length; i++) {
+ var charset = parseCharset(accepts[i].trim(), i);
+
+ if (charset) {
+ accepts[j++] = charset;
+ }
+ }
+
+ // trim accepts
+ accepts.length = j;
+
+ return accepts;
+}
+
+/**
+ * Parse a charset from the Accept-Charset header.
+ * @private
+ */
+
+function parseCharset(str, i) {
+ var match = simpleCharsetRegExp.exec(str);
+ if (!match) return null;
+
+ var charset = match[1];
+ var q = 1;
+ if (match[2]) {
+ var params = match[2].split(';')
+ for (var i = 0; i < params.length; i ++) {
+ var p = params[i].trim().split('=');
+ if (p[0] === 'q') {
+ q = parseFloat(p[1]);
+ break;
+ }
+ }
+ }
+
+ return {
+ charset: charset,
+ q: q,
+ i: i
+ };
+}
+
+/**
+ * Get the priority of a charset.
+ * @private
+ */
+
+function getCharsetPriority(charset, accepted, index) {
+ var priority = {o: -1, q: 0, s: 0};
+
+ for (var i = 0; i < accepted.length; i++) {
+ var spec = specify(charset, accepted[i], index);
+
+ if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+ priority = spec;
+ }
+ }
+
+ return priority;
+}
+
+/**
+ * Get the specificity of the charset.
+ * @private
+ */
+
+function specify(charset, spec, index) {
+ var s = 0;
+ if(spec.charset.toLowerCase() === charset.toLowerCase()){
+ s |= 1;
+ } else if (spec.charset !== '*' ) {
+ return null
+ }
+
+ return {
+ i: index,
+ o: spec.i,
+ q: spec.q,
+ s: s
+ }
+}
+
+/**
+ * Get the preferred charsets from an Accept-Charset header.
+ * @public
+ */
+
+function preferredCharsets(accept, provided) {
+ // RFC 2616 sec 14.2: no header = *
+ var accepts = parseAcceptCharset(accept === undefined ? '*' : accept || '');
+
+ if (!provided) {
+ // sorted list of all charsets
+ return accepts
+ .filter(isQuality)
+ .sort(compareSpecs)
+ .map(getFullCharset);
+ }
+
+ var priorities = provided.map(function getPriority(type, index) {
+ return getCharsetPriority(type, accepts, index);
+ });
+
+ // sorted list of accepted charsets
+ return priorities.filter(isQuality).sort(compareSpecs).map(function getCharset(priority) {
+ return provided[priorities.indexOf(priority)];
+ });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+ return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full charset string.
+ * @private
+ */
+
+function getFullCharset(spec) {
+ return spec.charset;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+ return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/encoding.js b/node_modules/negotiator/lib/encoding.js
new file mode 100644
index 0000000..70ac3de
--- /dev/null
+++ b/node_modules/negotiator/lib/encoding.js
@@ -0,0 +1,184 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredEncodings;
+module.exports.preferredEncodings = preferredEncodings;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleEncodingRegExp = /^\s*([^\s;]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Encoding header.
+ * @private
+ */
+
+function parseAcceptEncoding(accept) {
+ var accepts = accept.split(',');
+ var hasIdentity = false;
+ var minQuality = 1;
+
+ for (var i = 0, j = 0; i < accepts.length; i++) {
+ var encoding = parseEncoding(accepts[i].trim(), i);
+
+ if (encoding) {
+ accepts[j++] = encoding;
+ hasIdentity = hasIdentity || specify('identity', encoding);
+ minQuality = Math.min(minQuality, encoding.q || 1);
+ }
+ }
+
+ if (!hasIdentity) {
+ /*
+ * If identity doesn't explicitly appear in the accept-encoding header,
+ * it's added to the list of acceptable encoding with the lowest q
+ */
+ accepts[j++] = {
+ encoding: 'identity',
+ q: minQuality,
+ i: i
+ };
+ }
+
+ // trim accepts
+ accepts.length = j;
+
+ return accepts;
+}
+
+/**
+ * Parse an encoding from the Accept-Encoding header.
+ * @private
+ */
+
+function parseEncoding(str, i) {
+ var match = simpleEncodingRegExp.exec(str);
+ if (!match) return null;
+
+ var encoding = match[1];
+ var q = 1;
+ if (match[2]) {
+ var params = match[2].split(';');
+ for (var i = 0; i < params.length; i ++) {
+ var p = params[i].trim().split('=');
+ if (p[0] === 'q') {
+ q = parseFloat(p[1]);
+ break;
+ }
+ }
+ }
+
+ return {
+ encoding: encoding,
+ q: q,
+ i: i
+ };
+}
+
+/**
+ * Get the priority of an encoding.
+ * @private
+ */
+
+function getEncodingPriority(encoding, accepted, index) {
+ var priority = {o: -1, q: 0, s: 0};
+
+ for (var i = 0; i < accepted.length; i++) {
+ var spec = specify(encoding, accepted[i], index);
+
+ if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+ priority = spec;
+ }
+ }
+
+ return priority;
+}
+
+/**
+ * Get the specificity of the encoding.
+ * @private
+ */
+
+function specify(encoding, spec, index) {
+ var s = 0;
+ if(spec.encoding.toLowerCase() === encoding.toLowerCase()){
+ s |= 1;
+ } else if (spec.encoding !== '*' ) {
+ return null
+ }
+
+ return {
+ i: index,
+ o: spec.i,
+ q: spec.q,
+ s: s
+ }
+};
+
+/**
+ * Get the preferred encodings from an Accept-Encoding header.
+ * @public
+ */
+
+function preferredEncodings(accept, provided) {
+ var accepts = parseAcceptEncoding(accept || '');
+
+ if (!provided) {
+ // sorted list of all encodings
+ return accepts
+ .filter(isQuality)
+ .sort(compareSpecs)
+ .map(getFullEncoding);
+ }
+
+ var priorities = provided.map(function getPriority(type, index) {
+ return getEncodingPriority(type, accepts, index);
+ });
+
+ // sorted list of accepted encodings
+ return priorities.filter(isQuality).sort(compareSpecs).map(function getEncoding(priority) {
+ return provided[priorities.indexOf(priority)];
+ });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+ return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full encoding string.
+ * @private
+ */
+
+function getFullEncoding(spec) {
+ return spec.encoding;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+ return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/language.js b/node_modules/negotiator/lib/language.js
new file mode 100644
index 0000000..1bd2d0e
--- /dev/null
+++ b/node_modules/negotiator/lib/language.js
@@ -0,0 +1,179 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredLanguages;
+module.exports.preferredLanguages = preferredLanguages;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleLanguageRegExp = /^\s*([^\s\-;]+)(?:-([^\s;]+))?\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Language header.
+ * @private
+ */
+
+function parseAcceptLanguage(accept) {
+ var accepts = accept.split(',');
+
+ for (var i = 0, j = 0; i < accepts.length; i++) {
+ var langauge = parseLanguage(accepts[i].trim(), i);
+
+ if (langauge) {
+ accepts[j++] = langauge;
+ }
+ }
+
+ // trim accepts
+ accepts.length = j;
+
+ return accepts;
+}
+
+/**
+ * Parse a language from the Accept-Language header.
+ * @private
+ */
+
+function parseLanguage(str, i) {
+ var match = simpleLanguageRegExp.exec(str);
+ if (!match) return null;
+
+ var prefix = match[1],
+ suffix = match[2],
+ full = prefix;
+
+ if (suffix) full += "-" + suffix;
+
+ var q = 1;
+ if (match[3]) {
+ var params = match[3].split(';')
+ for (var i = 0; i < params.length; i ++) {
+ var p = params[i].split('=');
+ if (p[0] === 'q') q = parseFloat(p[1]);
+ }
+ }
+
+ return {
+ prefix: prefix,
+ suffix: suffix,
+ q: q,
+ i: i,
+ full: full
+ };
+}
+
+/**
+ * Get the priority of a language.
+ * @private
+ */
+
+function getLanguagePriority(language, accepted, index) {
+ var priority = {o: -1, q: 0, s: 0};
+
+ for (var i = 0; i < accepted.length; i++) {
+ var spec = specify(language, accepted[i], index);
+
+ if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+ priority = spec;
+ }
+ }
+
+ return priority;
+}
+
+/**
+ * Get the specificity of the language.
+ * @private
+ */
+
+function specify(language, spec, index) {
+ var p = parseLanguage(language)
+ if (!p) return null;
+ var s = 0;
+ if(spec.full.toLowerCase() === p.full.toLowerCase()){
+ s |= 4;
+ } else if (spec.prefix.toLowerCase() === p.full.toLowerCase()) {
+ s |= 2;
+ } else if (spec.full.toLowerCase() === p.prefix.toLowerCase()) {
+ s |= 1;
+ } else if (spec.full !== '*' ) {
+ return null
+ }
+
+ return {
+ i: index,
+ o: spec.i,
+ q: spec.q,
+ s: s
+ }
+};
+
+/**
+ * Get the preferred languages from an Accept-Language header.
+ * @public
+ */
+
+function preferredLanguages(accept, provided) {
+ // RFC 2616 sec 14.4: no header = *
+ var accepts = parseAcceptLanguage(accept === undefined ? '*' : accept || '');
+
+ if (!provided) {
+ // sorted list of all languages
+ return accepts
+ .filter(isQuality)
+ .sort(compareSpecs)
+ .map(getFullLanguage);
+ }
+
+ var priorities = provided.map(function getPriority(type, index) {
+ return getLanguagePriority(type, accepts, index);
+ });
+
+ // sorted list of accepted languages
+ return priorities.filter(isQuality).sort(compareSpecs).map(function getLanguage(priority) {
+ return provided[priorities.indexOf(priority)];
+ });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+ return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full language string.
+ * @private
+ */
+
+function getFullLanguage(spec) {
+ return spec.full;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+ return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/mediaType.js b/node_modules/negotiator/lib/mediaType.js
new file mode 100644
index 0000000..67309dd
--- /dev/null
+++ b/node_modules/negotiator/lib/mediaType.js
@@ -0,0 +1,294 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredMediaTypes;
+module.exports.preferredMediaTypes = preferredMediaTypes;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleMediaTypeRegExp = /^\s*([^\s\/;]+)\/([^;\s]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept header.
+ * @private
+ */
+
+function parseAccept(accept) {
+ var accepts = splitMediaTypes(accept);
+
+ for (var i = 0, j = 0; i < accepts.length; i++) {
+ var mediaType = parseMediaType(accepts[i].trim(), i);
+
+ if (mediaType) {
+ accepts[j++] = mediaType;
+ }
+ }
+
+ // trim accepts
+ accepts.length = j;
+
+ return accepts;
+}
+
+/**
+ * Parse a media type from the Accept header.
+ * @private
+ */
+
+function parseMediaType(str, i) {
+ var match = simpleMediaTypeRegExp.exec(str);
+ if (!match) return null;
+
+ var params = Object.create(null);
+ var q = 1;
+ var subtype = match[2];
+ var type = match[1];
+
+ if (match[3]) {
+ var kvps = splitParameters(match[3]).map(splitKeyValuePair);
+
+ for (var j = 0; j < kvps.length; j++) {
+ var pair = kvps[j];
+ var key = pair[0].toLowerCase();
+ var val = pair[1];
+
+ // get the value, unwrapping quotes
+ var value = val && val[0] === '"' && val[val.length - 1] === '"'
+ ? val.substr(1, val.length - 2)
+ : val;
+
+ if (key === 'q') {
+ q = parseFloat(value);
+ break;
+ }
+
+ // store parameter
+ params[key] = value;
+ }
+ }
+
+ return {
+ type: type,
+ subtype: subtype,
+ params: params,
+ q: q,
+ i: i
+ };
+}
+
+/**
+ * Get the priority of a media type.
+ * @private
+ */
+
+function getMediaTypePriority(type, accepted, index) {
+ var priority = {o: -1, q: 0, s: 0};
+
+ for (var i = 0; i < accepted.length; i++) {
+ var spec = specify(type, accepted[i], index);
+
+ if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+ priority = spec;
+ }
+ }
+
+ return priority;
+}
+
+/**
+ * Get the specificity of the media type.
+ * @private
+ */
+
+function specify(type, spec, index) {
+ var p = parseMediaType(type);
+ var s = 0;
+
+ if (!p) {
+ return null;
+ }
+
+ if(spec.type.toLowerCase() == p.type.toLowerCase()) {
+ s |= 4
+ } else if(spec.type != '*') {
+ return null;
+ }
+
+ if(spec.subtype.toLowerCase() == p.subtype.toLowerCase()) {
+ s |= 2
+ } else if(spec.subtype != '*') {
+ return null;
+ }
+
+ var keys = Object.keys(spec.params);
+ if (keys.length > 0) {
+ if (keys.every(function (k) {
+ return spec.params[k] == '*' || (spec.params[k] || '').toLowerCase() == (p.params[k] || '').toLowerCase();
+ })) {
+ s |= 1
+ } else {
+ return null
+ }
+ }
+
+ return {
+ i: index,
+ o: spec.i,
+ q: spec.q,
+ s: s,
+ }
+}
+
+/**
+ * Get the preferred media types from an Accept header.
+ * @public
+ */
+
+function preferredMediaTypes(accept, provided) {
+ // RFC 2616 sec 14.2: no header = */*
+ var accepts = parseAccept(accept === undefined ? '*/*' : accept || '');
+
+ if (!provided) {
+ // sorted list of all types
+ return accepts
+ .filter(isQuality)
+ .sort(compareSpecs)
+ .map(getFullType);
+ }
+
+ var priorities = provided.map(function getPriority(type, index) {
+ return getMediaTypePriority(type, accepts, index);
+ });
+
+ // sorted list of accepted types
+ return priorities.filter(isQuality).sort(compareSpecs).map(function getType(priority) {
+ return provided[priorities.indexOf(priority)];
+ });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+ return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full type string.
+ * @private
+ */
+
+function getFullType(spec) {
+ return spec.type + '/' + spec.subtype;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+ return spec.q > 0;
+}
+
+/**
+ * Count the number of quotes in a string.
+ * @private
+ */
+
+function quoteCount(string) {
+ var count = 0;
+ var index = 0;
+
+ while ((index = string.indexOf('"', index)) !== -1) {
+ count++;
+ index++;
+ }
+
+ return count;
+}
+
+/**
+ * Split a key value pair.
+ * @private
+ */
+
+function splitKeyValuePair(str) {
+ var index = str.indexOf('=');
+ var key;
+ var val;
+
+ if (index === -1) {
+ key = str;
+ } else {
+ key = str.substr(0, index);
+ val = str.substr(index + 1);
+ }
+
+ return [key, val];
+}
+
+/**
+ * Split an Accept header into media types.
+ * @private
+ */
+
+function splitMediaTypes(accept) {
+ var accepts = accept.split(',');
+
+ for (var i = 1, j = 0; i < accepts.length; i++) {
+ if (quoteCount(accepts[j]) % 2 == 0) {
+ accepts[++j] = accepts[i];
+ } else {
+ accepts[j] += ',' + accepts[i];
+ }
+ }
+
+ // trim accepts
+ accepts.length = j + 1;
+
+ return accepts;
+}
+
+/**
+ * Split a string of parameters.
+ * @private
+ */
+
+function splitParameters(str) {
+ var parameters = str.split(';');
+
+ for (var i = 1, j = 0; i < parameters.length; i++) {
+ if (quoteCount(parameters[j]) % 2 == 0) {
+ parameters[++j] = parameters[i];
+ } else {
+ parameters[j] += ';' + parameters[i];
+ }
+ }
+
+ // trim parameters
+ parameters.length = j + 1;
+
+ for (var i = 0; i < parameters.length; i++) {
+ parameters[i] = parameters[i].trim();
+ }
+
+ return parameters;
+}
--
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