| Index: utils/uri/uri.dart
|
| ===================================================================
|
| --- utils/uri/uri.dart (revision 3949)
|
| +++ utils/uri/uri.dart (working copy)
|
| @@ -1,215 +0,0 @@
|
| -// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
| -// for details. All rights reserved. Use of this source code is governed by a
|
| -// BSD-style license that can be found in the LICENSE file.
|
| -
|
| -#library('uri');
|
| -
|
| -/**
|
| - * A parsed URI, inspired by:
|
| - * http://closure-library.googlecode.com/svn/docs/class_goog_Uri.html
|
| - */
|
| -class Uri {
|
| - final String scheme;
|
| - final String userInfo;
|
| - final String domain;
|
| - final int port;
|
| - final String path;
|
| - final String query;
|
| - final String fragment;
|
| -
|
| - Uri.fromString(String uri) : this._fromMatch(_splitRe.firstMatch(uri));
|
| -
|
| - Uri._fromMatch(Match m) : this(_emptyIfNull(m[_COMPONENT_SCHEME]),
|
| - _emptyIfNull(m[_COMPONENT_USER_INFO]),
|
| - _emptyIfNull(m[_COMPONENT_DOMAIN]),
|
| - _parseIntOrZero(m[_COMPONENT_PORT]),
|
| - _emptyIfNull(m[_COMPONENT_PATH]),
|
| - _emptyIfNull(m[_COMPONENT_QUERY_DATA]),
|
| - _emptyIfNull(m[_COMPONENT_FRAGMENT]));
|
| -
|
| - const Uri([String this.scheme = "", String this.userInfo ="",
|
| - String this.domain = "", int this.port = 0,
|
| - String this.path = "", String this.query = "",
|
| - String this.fragment = ""]);
|
| -
|
| - static String _emptyIfNull(String val) => val != null ? val : '';
|
| -
|
| - static int _parseIntOrZero(String val) {
|
| - if (val !== null && val != '') {
|
| - return Math.parseInt(val);
|
| - } else {
|
| - return 0;
|
| - }
|
| - }
|
| -
|
| - // NOTE: This code was ported from: closure-library/closure/goog/uri/utils.js
|
| - static final RegExp _splitRe = const RegExp(
|
| - '^' +
|
| - '(?:' +
|
| - '([^:/?#.]+)' + // scheme - ignore special characters
|
| - // used by other URL parts such as :,
|
| - // ?, /, #, and .
|
| - ':)?' +
|
| - '(?://' +
|
| - '(?:([^/?#]*)@)?' + // userInfo
|
| - '([\\w\\d\\-\\u0100-\\uffff.%]*)' +
|
| - // domain - restrict to letters,
|
| - // digits, dashes, dots, percent
|
| - // escapes, and unicode characters.
|
| - '(?::([0-9]+))?' + // port
|
| - ')?' +
|
| - '([^?#]+)?' + // path
|
| - '(?:\\?([^#]*))?' + // query
|
| - '(?:#(.*))?' + // fragment
|
| - '\$');
|
| -
|
| - static final _COMPONENT_SCHEME = 1;
|
| - static final _COMPONENT_USER_INFO = 2;
|
| - static final _COMPONENT_DOMAIN = 3;
|
| - static final _COMPONENT_PORT = 4;
|
| - static final _COMPONENT_PATH = 5;
|
| - static final _COMPONENT_QUERY_DATA = 6;
|
| - static final _COMPONENT_FRAGMENT = 7;
|
| -
|
| - /**
|
| - * Determines whether a URI is absolute.
|
| - *
|
| - * See: http://tools.ietf.org/html/rfc3986#section-4.3
|
| - */
|
| - bool isAbsolute() {
|
| - if ("" == scheme) return false;
|
| - if ("" != fragment) return false;
|
| - return true;
|
| -
|
| - /* absolute-URI = scheme ":" hier-part [ "?" query ]
|
| - * hier-part = "//" authority path-abempty
|
| - * / path-absolute
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| - * / path-rootless
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| - * / path-empty
|
| - *
|
| - * path = path-abempty ; begins with "/" or is empty
|
| - * / path-absolute ; begins with "/" but not "//"
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| - * / path-noscheme ; begins with a non-colon segment
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| - * / path-rootless ; begins with a segment
|
| - * / path-empty ; zero characters
|
| - *
|
| - * path-abempty = *( "/" segment )
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| - * path-absolute = "/" [ segment-nz *( "/" segment ) ]
|
| - * path-noscheme = segment-nz-nc *( "/" segment )
|
| - * path-rootless = segment-nz *( "/" segment )
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| - * path-empty = 0<pchar>
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| - * segment = *pchar
|
| - * segment-nz = 1*pchar
|
| - * segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" )
|
| - * ; non-zero-length segment without any colon ":"
|
| - *
|
| - * pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
|
| - */
|
| - }
|
| -
|
| - Uri resolve(String uri) {
|
| - return resolveUri(new Uri.fromString(uri));
|
| - }
|
| -
|
| - Uri resolveUri(Uri reference) {
|
| - // From RFC 3986.
|
| - String targetScheme;
|
| - String targetUserInfo;
|
| - String targetDomain;
|
| - int targetPort;
|
| - String targetPath;
|
| - String targetQuery;
|
| - if (reference.scheme != "") {
|
| - targetScheme = reference.scheme;
|
| - targetUserInfo = reference.userInfo;
|
| - targetDomain = reference.domain;
|
| - targetPort = reference.port;
|
| - targetPath = removeDotSegments(reference.path);
|
| - targetQuery = reference.query;
|
| - } else {
|
| - if (reference.hasAuthority()) {
|
| - targetUserInfo = reference.userInfo;
|
| - targetDomain = reference.domain;
|
| - targetPort = reference.port;
|
| - targetPath = removeDotSegments(reference.path);
|
| - targetQuery = reference.query;
|
| - } else {
|
| - if (reference.path == "") {
|
| - targetPath = this.path;
|
| - if (reference.query != "") {
|
| - targetQuery = reference.query;
|
| - } else {
|
| - targetQuery = this.query;
|
| - }
|
| - } else {
|
| - if (reference.path.startsWith("/")) {
|
| - targetPath = removeDotSegments(reference.path);
|
| - } else {
|
| - targetPath = removeDotSegments(merge(this.path, reference.path));
|
| - }
|
| - targetQuery = reference.query;
|
| - }
|
| - targetUserInfo = this.userInfo;
|
| - targetDomain = this.domain;
|
| - targetPort = this.port;
|
| - }
|
| - targetScheme = this.scheme;
|
| - }
|
| - return new Uri(targetScheme, targetUserInfo, targetDomain, targetPort,
|
| - targetPath, targetQuery, reference.fragment);
|
| - }
|
| -
|
| - bool hasAuthority() {
|
| - return (userInfo != "") || (domain != "") || (port != 0);
|
| - }
|
| -
|
| - String toString() {
|
| - StringBuffer sb = new StringBuffer();
|
| - _addIfNonEmpty(sb, scheme, scheme, ':');
|
| - if (hasAuthority() || (scheme == "file")) {
|
| - sb.add("//");
|
| - _addIfNonEmpty(sb, userInfo, userInfo, "@");
|
| - sb.add(domain === null ? "null" : domain);
|
| - if (port != 0) {
|
| - sb.add(":");
|
| - sb.add(port.toString());
|
| - }
|
| - }
|
| - sb.add(path === null ? "null" : path);
|
| - _addIfNonEmpty(sb, query, "?", query);
|
| - _addIfNonEmpty(sb, fragment, "#", fragment);
|
| - return sb.toString();
|
| - }
|
| -
|
| - static void _addIfNonEmpty(StringBuffer sb, String test,
|
| - String first, String second) {
|
| - if ("" != test) {
|
| - sb.add(first === null ? "null" : first);
|
| - sb.add(second === null ? "null" : second);
|
| - }
|
| - }
|
| -}
|
| -
|
| -String merge(String base, String reference) {
|
| - if (base == "") return "/$reference";
|
| - return base.substring(0, base.lastIndexOf("/") + 1) + "$reference";
|
| -}
|
| -
|
| -String removeDotSegments(String path) {
|
| - List<String> output = [];
|
| - bool appendSlash = false;
|
| - for (String segment in path.split("/")) {
|
| - appendSlash = false;
|
| - if (segment == "..") {
|
| - if (!output.isEmpty() &&
|
| - ((output.length != 1) || (output[0] != ""))) output.removeLast();
|
| - appendSlash = true;
|
| - } else if ("." == segment) {
|
| - appendSlash = true;
|
| - } else {
|
| - output.add(segment);
|
| - }
|
| - }
|
| - if (appendSlash) output.add("");
|
| - return Strings.join(output, "/");
|
| -}
|
|
|