Upload Kmake

lib/internal/querystring.js

@@ -0,0 +1,119 @@
+'use strict';
+
+const {
+  Array,
+  Int8Array,
+  NumberPrototypeToString,
+  StringPrototypeCharCodeAt,
+  StringPrototypeSlice,
+  StringPrototypeToUpperCase,
+} = primordials;
+
+const { ERR_INVALID_URI } = require('internal/errors').codes;
+
+const hexTable = new Array(256);
+for (let i = 0; i < 256; ++i)
+  hexTable[i] = '%' +
+                StringPrototypeToUpperCase((i < 16 ? '0' : '') +
+                                           NumberPrototypeToString(i, 16));
+
+const isHexTable = new Int8Array([
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32 - 47
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63
+  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 64 - 79
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 - 95
+  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 96 - 111
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 112 - 127
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128 ...
+  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,  // ... 256
+]);
+
+/**
+ * @param {string} str
+ * @param {Int8Array} noEscapeTable
+ * @param {string[]} hexTable
+ * @returns {string}
+ */
+function encodeStr(str, noEscapeTable, hexTable) {
+  const len = str.length;
+  if (len === 0)
+    return '';
+
+  let out = '';
+  let lastPos = 0;
+  let i = 0;
+
+  outer:
+  for (; i < len; i++) {
+    let c = StringPrototypeCharCodeAt(str, i);
+
+    // ASCII
+    while (c < 0x80) {
+      if (noEscapeTable[c] !== 1) {
+        if (lastPos < i)
+          out += StringPrototypeSlice(str, lastPos, i);
+        lastPos = i + 1;
+        out += hexTable[c];
+      }
+
+      if (++i === len)
+        break outer;
+
+      c = StringPrototypeCharCodeAt(str, i);
+    }
+
+    if (lastPos < i)
+      out += StringPrototypeSlice(str, lastPos, i);
+
+    // Multi-byte characters ...
+    if (c < 0x800) {
+      lastPos = i + 1;
+      out += hexTable[0xC0 | (c >> 6)] +
+             hexTable[0x80 | (c & 0x3F)];
+      continue;
+    }
+    if (c < 0xD800 || c >= 0xE000) {
+      lastPos = i + 1;
+      out += hexTable[0xE0 | (c >> 12)] +
+             hexTable[0x80 | ((c >> 6) & 0x3F)] +
+             hexTable[0x80 | (c & 0x3F)];
+      continue;
+    }
+    // Surrogate pair
+    ++i;
+
+    // This branch should never happen because all URLSearchParams entries
+    // should already be converted to USVString. But, included for
+    // completion's sake anyway.
+    if (i >= len)
+      throw new ERR_INVALID_URI();
+
+    const c2 = StringPrototypeCharCodeAt(str, i) & 0x3FF;
+
+    lastPos = i + 1;
+    c = 0x10000 + (((c & 0x3FF) << 10) | c2);
+    out += hexTable[0xF0 | (c >> 18)] +
+           hexTable[0x80 | ((c >> 12) & 0x3F)] +
+           hexTable[0x80 | ((c >> 6) & 0x3F)] +
+           hexTable[0x80 | (c & 0x3F)];
+  }
+  if (lastPos === 0)
+    return str;
+  if (lastPos < len)
+    return out + StringPrototypeSlice(str, lastPos);
+  return out;
+}
+
+module.exports = {
+  encodeStr,
+  hexTable,
+  isHexTable,
+};