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app_vue/node_modules/@sideway/address/lib/decode.js

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+'use strict';
+
+// Adapted from:
+// Copyright (c) 2017-2019 Justin Ridgewell, MIT Licensed, https://github.com/jridgewell/safe-decode-string-component
+// Copyright (c) 2008-2009 Bjoern Hoehrmann <bjoern@hoehrmann.de>, MIT Licensed, http://bjoern.hoehrmann.de/utf-8/decoder/dfa/
+
+
+const internals = {};
+
+
+exports.decode = function (string) {
+
+    let percentPos = string.indexOf('%');
+    if (percentPos === -1) {
+        return string;
+    }
+
+    let decoded = '';
+    let last = 0;
+    let codepoint = 0;
+    let startOfOctets = percentPos;
+    let state = internals.utf8.accept;
+
+    while (percentPos > -1 &&
+        percentPos < string.length) {
+
+        const high = internals.resolveHex(string[percentPos + 1], 4);
+        const low = internals.resolveHex(string[percentPos + 2], 0);
+        const byte = high | low;
+        const type = internals.utf8.data[byte];
+        state = internals.utf8.data[256 + state + type];
+        codepoint = (codepoint << 6) | (byte & internals.utf8.data[364 + type]);
+
+        if (state === internals.utf8.accept) {
+            decoded += string.slice(last, startOfOctets);
+            decoded += codepoint <= 0xFFFF
+                ? String.fromCharCode(codepoint)
+                : String.fromCharCode(0xD7C0 + (codepoint >> 10), 0xDC00 + (codepoint & 0x3FF));
+
+            codepoint = 0;
+            last = percentPos + 3;
+            percentPos = string.indexOf('%', last);
+            startOfOctets = percentPos;
+            continue;
+        }
+
+        if (state === internals.utf8.reject) {
+            return null;
+        }
+
+        percentPos += 3;
+
+        if (percentPos >= string.length ||
+            string[percentPos] !== '%') {
+
+            return null;
+        }
+    }
+
+    return decoded + string.slice(last);
+};
+
+
+internals.resolveHex = function (char, shift) {
+
+    const i = internals.hex[char];
+    return i === undefined ? 255 : i << shift;
+};
+
+
+internals.hex = {
+    '0': 0, '1': 1, '2': 2, '3': 3, '4': 4,
+    '5': 5, '6': 6, '7': 7, '8': 8, '9': 9,
+    'a': 10, 'A': 10, 'b': 11, 'B': 11, 'c': 12,
+    'C': 12, 'd': 13, 'D': 13, 'e': 14, 'E': 14,
+    'f': 15, 'F': 15
+};
+
+
+internals.utf8 = {
+    accept: 12,
+    reject: 0,
+    data: [
+
+        // Maps bytes to character to a transition
+
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+        4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+        5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+        6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 7, 7,
+        10, 9, 9, 9, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+
+        // Maps a state to a new state when adding a transition
+
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        12, 0, 0, 0, 0, 24, 36, 48, 60, 72, 84, 96,
+        0, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 24, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+        // Maps the current transition to a mask that needs to apply to the byte
+
+        0x7F, 0x3F, 0x3F, 0x3F, 0x00, 0x1F, 0x0F, 0x0F, 0x0F, 0x07, 0x07, 0x07
+    ]
+};