[#94] Backend

https://project.mdnd-it.cc/work_packages/94
2025-08-23 04:25:28 +02:00
parent 725516ad6c
commit 19cfa031d0
25823 changed files with 1095587 additions and 2801760 deletions
@@ -1,6 +1,6 @@
 The ISC License

-Copyright (c) Isaac Z. Schlueter and Contributors
+Copyright (c) 2010-2024 Isaac Z. Schlueter and Contributors

 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
@@ -19,7 +19,7 @@ IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 `String.fromCodePoint` by Mathias Bynens used according to terms of MIT
 License, as follows:

-    Copyright Mathias Bynens <https://mathiasbynens.be/>
+Copyright (c) 2010-2024 Mathias Bynens <https://mathiasbynens.be/>

    Permission is hereby granted, free of charge, to any person obtaining
    a copy of this software and associated documentation files (the
@@ -1,188 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><meta name="generator" content="HTML Tidy for Mac OS X (vers 31 October 2006 - Apple Inc. build 13), see www.w3.org" /><title>W3C Software Notice and License</title><link rel="stylesheet" href="/2008/site/css/minimum" type="text/css" media="handheld, all" /><style type="text/css" media="print, screen and (min-width: 481px)" xml:space="preserve">
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-                     <p class="intro tPadding">This work (and included software, documentation such as READMEs, or other
-related items) is being provided by the copyright holders under the following
-license.</p>
-<h2>License</h2>
-                     
-                     <p class="tPadding">
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-terms and conditions.</p>
-
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-documentation, with or without modification,&#xA0;for any purpose and without
-fee or royalty is hereby granted, provided that you include the following on
-ALL copies of the software and documentation or portions thereof, including
-modifications:</p>
-
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-    redistributed or derivative work.</li><li>Any pre-existing intellectual property disclaimers, notices, or terms
-    and conditions. If none exist, the <a href="copyright-software-short-notice-20021231.html">W3C Software Short
-    Notice</a> should be included (hypertext is preferred, text is permitted)
-    within the body of any redistributed or derivative code.</li><li>Notice of any changes or modifications to the files, including the date
-    changes were made. (We recommend you provide URIs to the location from
-    which the code is derived.)</li></ul>
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-<h2>Disclaimers</h2>
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-MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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-PURPOSE OR THAT THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE
-ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.</p>
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-reflects that ERCIM is now a host of the W3C, includes references to this
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-"use". Otherwise, this version is the same as the <a href="http://www.w3.org/Consortium/Legal/copyright-software-19980720">previous
-version</a> and is written so as to preserve the <a href="http://www.gnu.org/philosophy/license-list.html#GPLCompatibleLicenses">Free
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@@ -106,6 +106,9 @@ Settings supported:
 * `strictEntities` - Boolean. If true, only parse [predefined XML
  entities](http://www.w3.org/TR/REC-xml/#sec-predefined-ent)
  (`&amp;`, `&apos;`, `&gt;`, `&lt;`, and `&quot;`)
+* `unquotedAttributeValues` - Boolean. If true, then unquoted
+  attribute values are allowed. Defaults to `false` when `strict`
+  is true, `true` otherwise.

 ## Methods

@@ -71,6 +71,12 @@
      parser.ns = Object.create(rootNS)
    }

+    // disallow unquoted attribute values if not otherwise configured
+    // and strict mode is true
+    if (parser.opt.unquotedAttributeValues === undefined) {
+      parser.opt.unquotedAttributeValues = !strict;
+    }
+
    // mostly just for error reporting
    parser.trackPosition = parser.opt.position !== false
    if (parser.trackPosition) {
@@ -164,6 +170,7 @@
  } catch (ex) {
    Stream = function () {}
  }
+  if (!Stream) Stream = function () {}

  var streamWraps = sax.EVENTS.filter(function (ev) {
    return ev !== 'error' && ev !== 'end'
@@ -262,28 +269,14 @@
    return Stream.prototype.on.call(me, ev, handler)
  }

-  // character classes and tokens
-  var whitespace = '\r\n\t '
-
  // this really needs to be replaced with character classes.
  // XML allows all manner of ridiculous numbers and digits.
-  var number = '0124356789'
-  var letter = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
-
-  // (Letter | "_" | ":")
-  var quote = '\'"'
-  var attribEnd = whitespace + '>'
  var CDATA = '[CDATA['
  var DOCTYPE = 'DOCTYPE'
  var XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace'
  var XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/'
  var rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE }

-  // turn all the string character sets into character class objects.
-  whitespace = charClass(whitespace)
-  number = charClass(number)
-  letter = charClass(letter)
-
  // http://www.w3.org/TR/REC-xml/#NT-NameStartChar
  // This implementation works on strings, a single character at a time
  // as such, it cannot ever support astral-plane characters (10000-EFFFF)
@@ -292,31 +285,29 @@
  // is left as an exercise for the reader.
  var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/

-  var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040\.\d-]/
+  var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/

  var entityStart = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/
-  var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040\.\d-]/
+  var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/

-  quote = charClass(quote)
-  attribEnd = charClass(attribEnd)
-
-  function charClass (str) {
-    return str.split('').reduce(function (s, c) {
-      s[c] = true
-      return s
-    }, {})
+  function isWhitespace (c) {
+    return c === ' ' || c === '\n' || c === '\r' || c === '\t'
  }

-  function isRegExp (c) {
-    return Object.prototype.toString.call(c) === '[object RegExp]'
+  function isQuote (c) {
+    return c === '"' || c === '\''
  }

-  function is (charclass, c) {
-    return isRegExp(charclass) ? !!c.match(charclass) : charclass[c]
+  function isAttribEnd (c) {
+    return c === '>' || isWhitespace(c)
  }

-  function not (charclass, c) {
-    return !is(charclass, c)
+  function isMatch (regex, c) {
+    return regex.test(c)
+  }
+
+  function notMatch (regex, c) {
+    return !isMatch(regex, c)
  }

  var S = 0
@@ -949,7 +940,7 @@
      }
    }
    entity = entity.replace(/^0+/, '')
-    if (numStr.toLowerCase() !== entity) {
+    if (isNaN(num) || numStr.toLowerCase() !== entity) {
      strictFail(parser, 'Invalid character entity')
      return '&' + parser.entity + ';'
    }
@@ -961,7 +952,7 @@
    if (c === '<') {
      parser.state = S.OPEN_WAKA
      parser.startTagPosition = parser.position
-    } else if (not(whitespace, c)) {
+    } else if (!isWhitespace(c)) {
      // have to process this as a text node.
      // weird, but happens.
      strictFail(parser, 'Non-whitespace before first tag.')
@@ -998,9 +989,11 @@
    while (true) {
      c = charAt(chunk, i++)
      parser.c = c
+
      if (!c) {
        break
      }
+
      if (parser.trackPosition) {
        parser.position++
        if (c === '\n') {
@@ -1010,6 +1003,7 @@
          parser.column++
        }
      }
+
      switch (parser.state) {
        case S.BEGIN:
          parser.state = S.BEGIN_WHITESPACE
@@ -1044,7 +1038,7 @@
            parser.state = S.OPEN_WAKA
            parser.startTagPosition = parser.position
          } else {
-            if (not(whitespace, c) && (!parser.sawRoot || parser.closedRoot)) {
+            if (!isWhitespace(c) && (!parser.sawRoot || parser.closedRoot)) {
              strictFail(parser, 'Text data outside of root node.')
            }
            if (c === '&') {
@@ -1078,9 +1072,9 @@
          if (c === '!') {
            parser.state = S.SGML_DECL
            parser.sgmlDecl = ''
-          } else if (is(whitespace, c)) {
+          } else if (isWhitespace(c)) {
            // wait for it...
-          } else if (is(nameStart, c)) {
+          } else if (isMatch(nameStart, c)) {
            parser.state = S.OPEN_TAG
            parser.tagName = c
          } else if (c === '/') {
@@ -1102,15 +1096,22 @@
          continue

        case S.SGML_DECL:
-          if ((parser.sgmlDecl + c).toUpperCase() === CDATA) {
+          if (parser.sgmlDecl + c === '--') {
+            parser.state = S.COMMENT
+            parser.comment = ''
+            parser.sgmlDecl = ''
+            continue;
+          }
+
+          if (parser.doctype && parser.doctype !== true && parser.sgmlDecl) {
+            parser.state = S.DOCTYPE_DTD
+            parser.doctype += '<!' + parser.sgmlDecl + c
+            parser.sgmlDecl = ''
+          } else if ((parser.sgmlDecl + c).toUpperCase() === CDATA) {
            emitNode(parser, 'onopencdata')
            parser.state = S.CDATA
            parser.sgmlDecl = ''
            parser.cdata = ''
-          } else if (parser.sgmlDecl + c === '--') {
-            parser.state = S.COMMENT
-            parser.comment = ''
-            parser.sgmlDecl = ''
          } else if ((parser.sgmlDecl + c).toUpperCase() === DOCTYPE) {
            parser.state = S.DOCTYPE
            if (parser.doctype || parser.sawRoot) {
@@ -1123,7 +1124,7 @@
            emitNode(parser, 'onsgmldeclaration', parser.sgmlDecl)
            parser.sgmlDecl = ''
            parser.state = S.TEXT
-          } else if (is(quote, c)) {
+          } else if (isQuote(c)) {
            parser.state = S.SGML_DECL_QUOTED
            parser.sgmlDecl += c
          } else {
@@ -1148,7 +1149,7 @@
            parser.doctype += c
            if (c === '[') {
              parser.state = S.DOCTYPE_DTD
-            } else if (is(quote, c)) {
+            } else if (isQuote(c)) {
              parser.state = S.DOCTYPE_QUOTED
              parser.q = c
            }
@@ -1164,12 +1165,18 @@
          continue

        case S.DOCTYPE_DTD:
-          parser.doctype += c
          if (c === ']') {
+            parser.doctype += c
            parser.state = S.DOCTYPE
-          } else if (is(quote, c)) {
+          } else if (c === '<') {
+            parser.state = S.OPEN_WAKA
+            parser.startTagPosition = parser.position
+          } else if (isQuote(c)) {
+            parser.doctype += c
            parser.state = S.DOCTYPE_DTD_QUOTED
            parser.q = c
+          } else {
+            parser.doctype += c
          }
          continue

@@ -1210,6 +1217,8 @@
            // which is a comment of " blah -- bloo "
            parser.comment += '--' + c
            parser.state = S.COMMENT
+          } else if (parser.doctype && parser.doctype !== true) {
+            parser.state = S.DOCTYPE_DTD
          } else {
            parser.state = S.TEXT
          }
@@ -1251,7 +1260,7 @@
        case S.PROC_INST:
          if (c === '?') {
            parser.state = S.PROC_INST_ENDING
-          } else if (is(whitespace, c)) {
+          } else if (isWhitespace(c)) {
            parser.state = S.PROC_INST_BODY
          } else {
            parser.procInstName += c
@@ -1259,7 +1268,7 @@
          continue

        case S.PROC_INST_BODY:
-          if (!parser.procInstBody && is(whitespace, c)) {
+          if (!parser.procInstBody && isWhitespace(c)) {
            continue
          } else if (c === '?') {
            parser.state = S.PROC_INST_ENDING
@@ -1283,7 +1292,7 @@
          continue

        case S.OPEN_TAG:
-          if (is(nameBody, c)) {
+          if (isMatch(nameBody, c)) {
            parser.tagName += c
          } else {
            newTag(parser)
@@ -1292,7 +1301,7 @@
            } else if (c === '/') {
              parser.state = S.OPEN_TAG_SLASH
            } else {
-              if (not(whitespace, c)) {
+              if (!isWhitespace(c)) {
                strictFail(parser, 'Invalid character in tag name')
              }
              parser.state = S.ATTRIB
@@ -1312,13 +1321,13 @@

        case S.ATTRIB:
          // haven't read the attribute name yet.
-          if (is(whitespace, c)) {
+          if (isWhitespace(c)) {
            continue
          } else if (c === '>') {
            openTag(parser)
          } else if (c === '/') {
            parser.state = S.OPEN_TAG_SLASH
-          } else if (is(nameStart, c)) {
+          } else if (isMatch(nameStart, c)) {
            parser.attribName = c
            parser.attribValue = ''
            parser.state = S.ATTRIB_NAME
@@ -1335,9 +1344,9 @@
            parser.attribValue = parser.attribName
            attrib(parser)
            openTag(parser)
-          } else if (is(whitespace, c)) {
+          } else if (isWhitespace(c)) {
            parser.state = S.ATTRIB_NAME_SAW_WHITE
-          } else if (is(nameBody, c)) {
+          } else if (isMatch(nameBody, c)) {
            parser.attribName += c
          } else {
            strictFail(parser, 'Invalid attribute name')
@@ -1347,7 +1356,7 @@
        case S.ATTRIB_NAME_SAW_WHITE:
          if (c === '=') {
            parser.state = S.ATTRIB_VALUE
-          } else if (is(whitespace, c)) {
+          } else if (isWhitespace(c)) {
            continue
          } else {
            strictFail(parser, 'Attribute without value')
@@ -1360,7 +1369,7 @@
            parser.attribName = ''
            if (c === '>') {
              openTag(parser)
-            } else if (is(nameStart, c)) {
+            } else if (isMatch(nameStart, c)) {
              parser.attribName = c
              parser.state = S.ATTRIB_NAME
            } else {
@@ -1371,13 +1380,15 @@
          continue

        case S.ATTRIB_VALUE:
-          if (is(whitespace, c)) {
+          if (isWhitespace(c)) {
            continue
-          } else if (is(quote, c)) {
+          } else if (isQuote(c)) {
            parser.q = c
            parser.state = S.ATTRIB_VALUE_QUOTED
          } else {
-            strictFail(parser, 'Unquoted attribute value')
+            if (!parser.opt.unquotedAttributeValues) {
+              error(parser, 'Unquoted attribute value')
+            }
            parser.state = S.ATTRIB_VALUE_UNQUOTED
            parser.attribValue = c
          }
@@ -1398,13 +1409,13 @@
          continue

        case S.ATTRIB_VALUE_CLOSED:
-          if (is(whitespace, c)) {
+          if (isWhitespace(c)) {
            parser.state = S.ATTRIB
          } else if (c === '>') {
            openTag(parser)
          } else if (c === '/') {
            parser.state = S.OPEN_TAG_SLASH
-          } else if (is(nameStart, c)) {
+          } else if (isMatch(nameStart, c)) {
            strictFail(parser, 'No whitespace between attributes')
            parser.attribName = c
            parser.attribValue = ''
@@ -1415,7 +1426,7 @@
          continue

        case S.ATTRIB_VALUE_UNQUOTED:
-          if (not(attribEnd, c)) {
+          if (!isAttribEnd(c)) {
            if (c === '&') {
              parser.state = S.ATTRIB_VALUE_ENTITY_U
            } else {
@@ -1433,9 +1444,9 @@

        case S.CLOSE_TAG:
          if (!parser.tagName) {
-            if (is(whitespace, c)) {
+            if (isWhitespace(c)) {
              continue
-            } else if (not(nameStart, c)) {
+            } else if (notMatch(nameStart, c)) {
              if (parser.script) {
                parser.script += '</' + c
                parser.state = S.SCRIPT
@@ -1447,14 +1458,14 @@
            }
          } else if (c === '>') {
            closeTag(parser)
-          } else if (is(nameBody, c)) {
+          } else if (isMatch(nameBody, c)) {
            parser.tagName += c
          } else if (parser.script) {
            parser.script += '</' + parser.tagName
            parser.tagName = ''
            parser.state = S.SCRIPT
          } else {
-            if (not(whitespace, c)) {
+            if (!isWhitespace(c)) {
              strictFail(parser, 'Invalid tagname in closing tag')
            }
            parser.state = S.CLOSE_TAG_SAW_WHITE
@@ -1462,7 +1473,7 @@
          continue

        case S.CLOSE_TAG_SAW_WHITE:
-          if (is(whitespace, c)) {
+          if (isWhitespace(c)) {
            continue
          }
          if (c === '>') {
@@ -1495,10 +1506,17 @@
          }

          if (c === ';') {
-            parser[buffer] += parseEntity(parser)
-            parser.entity = ''
-            parser.state = returnState
-          } else if (is(parser.entity.length ? entityBody : entityStart, c)) {
+            var parsedEntity = parseEntity(parser)
+            if (parser.opt.unparsedEntities && !Object.values(sax.XML_ENTITIES).includes(parsedEntity)) {
+              parser.entity = ''
+              parser.state = returnState
+              parser.write(parsedEntity)
+            } else {
+              parser[buffer] += parsedEntity
+              parser.entity = ''
+              parser.state = returnState
+            }
+          } else if (isMatch(parser.entity.length ? entityBody : entityStart, c)) {
            parser.entity += c
          } else {
            strictFail(parser, 'Invalid character in entity name')
@@ -1509,8 +1527,9 @@

          continue

-        default:
+        default: /* istanbul ignore next */ {
          throw new Error(parser, 'Unknown state: ' + parser.state)
+        }
      }
    } // while

@@ -1521,6 +1540,7 @@
  }

  /*! http://mths.be/fromcodepoint v0.1.0 by @mathias */
+  /* istanbul ignore next */
  if (!String.fromCodePoint) {
    (function () {
      var stringFromCharCode = String.fromCharCode
@@ -1562,6 +1582,7 @@
        }
        return result
      }
+      /* istanbul ignore next */
      if (Object.defineProperty) {
        Object.defineProperty(String, 'fromCodePoint', {
          value: fromCodePoint,
@@ -2,22 +2,28 @@
  "name": "sax",
  "description": "An evented streaming XML parser in JavaScript",
  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
-  "version": "1.2.1",
+  "version": "1.4.1",
  "main": "lib/sax.js",
  "license": "ISC",
  "scripts": {
-    "test": "tap test/*.js --cov",
-    "posttest": "standard -F test/*.js lib/*.js"
+    "test": "tap test/*.js --cov -j4",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags"
  },
  "repository": "git://github.com/isaacs/sax-js.git",
  "files": [
    "lib/sax.js",
    "LICENSE",
-    "LICENSE-W3C.html",
    "README.md"
  ],
  "devDependencies": {
-    "standard": "^5.3.1",
-    "tap": "^5.2.0"
+    "tap": "^15.1.6"
+  },
+  "tap": {
+    "statements": 79,
+    "branches": 75,
+    "functions": 80,
+    "lines": 79
  }
 }