Urađena test aplikacija. Povezan front i back.

1 files changed, 141 insertions, 0 deletions

diff --git a/sandbox/testAppNevena/Front/node_modules/chardet/encoding/iso2022.js b/sandbox/testAppNevena/Front/node_modules/chardet/encoding/iso2022.js
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+var util = require('util'),
+  Match = require ('../match');
+
+
+/**
+ * This is a superclass for the individual detectors for
+ * each of the detectable members of the ISO 2022 family
+ * of encodings.
+ */
+
+function ISO_2022() {}
+
+ISO_2022.prototype.match = function(det) {
+
+  /**
+   * Matching function shared among the 2022 detectors JP, CN and KR
+   * Counts up the number of legal an unrecognized escape sequences in
+   * the sample of text, and computes a score based on the total number &
+   * the proportion that fit the encoding.
+   *
+   *
+   * @param text the byte buffer containing text to analyse
+   * @param textLen  the size of the text in the byte.
+   * @param escapeSequences the byte escape sequences to test for.
+   * @return match quality, in the range of 0-100.
+   */
+
+  var i, j;
+  var escN;
+  var hits   = 0;
+  var misses = 0;
+  var shifts = 0;
+  var quality;
+
+  // TODO: refactor me
+  var text = det.fInputBytes;
+  var textLen = det.fInputLen;
+
+  scanInput:
+    for (i = 0; i < textLen; i++) {
+      if (text[i] == 0x1b) {
+        checkEscapes:
+          for (escN = 0; escN < this.escapeSequences.length; escN++) {
+            var seq = this.escapeSequences[escN];
+
+            if ((textLen - i) < seq.length)
+              continue checkEscapes;
+
+            for (j = 1; j < seq.length; j++)
+              if (seq[j] != text[i + j])
+                continue checkEscapes;
+
+
+            hits++;
+            i += seq.length - 1;
+            continue scanInput;
+          }
+
+          misses++;
+      }
+
+      // Shift in/out
+      if (text[i] == 0x0e || text[i] == 0x0f)
+        shifts++;
+
+    }
+
+  if (hits == 0)
+    return null;
+
+  //
+  // Initial quality is based on relative proportion of recongized vs.
+  //   unrecognized escape sequences.
+  //   All good:  quality = 100;
+  //   half or less good: quality = 0;
+  //   linear inbetween.
+  quality = (100 * hits - 100 * misses) / (hits + misses);
+
+  // Back off quality if there were too few escape sequences seen.
+  //   Include shifts in this computation, so that KR does not get penalized
+  //   for having only a single Escape sequence, but many shifts.
+  if (hits + shifts < 5)
+    quality -= (5 - (hits + shifts)) * 10;
+
+  return quality <= 0 ? null : new Match(det, this, quality);
+};
+
+module.exports.ISO_2022_JP = function() {
+  this.name = function() {
+    return 'ISO-2022-JP';
+  };
+  this.escapeSequences = [
+    [ 0x1b, 0x24, 0x28, 0x43 ],   // KS X 1001:1992
+    [ 0x1b, 0x24, 0x28, 0x44 ],   // JIS X 212-1990
+    [ 0x1b, 0x24, 0x40 ],         // JIS C 6226-1978
+    [ 0x1b, 0x24, 0x41 ],         // GB 2312-80
+    [ 0x1b, 0x24, 0x42 ],         // JIS X 208-1983
+    [ 0x1b, 0x26, 0x40 ],         // JIS X 208 1990, 1997
+    [ 0x1b, 0x28, 0x42 ],         // ASCII
+    [ 0x1b, 0x28, 0x48 ],         // JIS-Roman
+    [ 0x1b, 0x28, 0x49 ],         // Half-width katakana
+    [ 0x1b, 0x28, 0x4a ],         // JIS-Roman
+    [ 0x1b, 0x2e, 0x41 ],         // ISO 8859-1
+    [ 0x1b, 0x2e, 0x46 ]          // ISO 8859-7
+  ];
+};
+util.inherits(module.exports.ISO_2022_JP, ISO_2022);
+
+
+
+module.exports.ISO_2022_KR = function() {
+  this.name = function() {
+    return 'ISO-2022-KR';
+  };
+  this.escapeSequences = [
+    [ 0x1b, 0x24, 0x29, 0x43 ]
+  ];
+};
+util.inherits(module.exports.ISO_2022_KR, ISO_2022);
+
+
+
+module.exports.ISO_2022_CN = function() {
+  this.name = function() {
+    return 'ISO-2022-CN';
+  };
+  this.escapeSequences = [
+    [ 0x1b, 0x24, 0x29, 0x41 ],   // GB 2312-80
+    [ 0x1b, 0x24, 0x29, 0x47 ],   // CNS 11643-1992 Plane 1
+    [ 0x1b, 0x24, 0x2A, 0x48 ],   // CNS 11643-1992 Plane 2
+    [ 0x1b, 0x24, 0x29, 0x45 ],   // ISO-IR-165
+    [ 0x1b, 0x24, 0x2B, 0x49 ],   // CNS 11643-1992 Plane 3
+    [ 0x1b, 0x24, 0x2B, 0x4A ],   // CNS 11643-1992 Plane 4
+    [ 0x1b, 0x24, 0x2B, 0x4B ],   // CNS 11643-1992 Plane 5
+    [ 0x1b, 0x24, 0x2B, 0x4C ],   // CNS 11643-1992 Plane 6
+    [ 0x1b, 0x24, 0x2B, 0x4D ],   // CNS 11643-1992 Plane 7
+    [ 0x1b, 0x4e ],               // SS2
+    [ 0x1b, 0x4f ]                // SS3
+  ];
+};
+util.inherits(module.exports.ISO_2022_CN, ISO_2022);