1 files changed, 142 insertions, 0 deletions
diff --git a/CPP/Common/Lang.cpp b/CPP/Common/Lang.cpp
new file mode 100755
index 00000000..f1861d6e
--- /dev/null
+++ b/CPP/Common/Lang.cpp
@@ -0,0 +1,142 @@
+// Common/Lang.cpp
+
+#include "StdAfx.h"
+
+#include "Common/Lang.h"
+#include "Common/TextConfig.h"
+
+#include "StdInStream.h"
+#include "UTFConvert.h"
+#include "Defs.h"
+
+/*
+static UInt32 HexStringToNumber(const char *string, int &finishPos)
+{
+  UInt32 number = 0;
+  for (finishPos = 0; finishPos < 8; finishPos++)
+  {
+    char c = string[finishPos];
+    int a;
+    if (c >= '0' && c <= '9')
+      a = c - '0';
+    else if (c >= 'A' && c <= 'F')
+      a = 10 + c - 'A';
+    else if (c >= 'a' && c <= 'f')
+      a = 10 + c - 'a';
+    else
+      return number;
+    number *= 0x10;
+    number += a;
+  }
+  return number;
+}
+*/
+static bool HexStringToNumber(const UString &string, UInt32 &aResultValue)
+{
+  aResultValue = 0;
+  if (string.IsEmpty())
+    return false;
+  for (int i = 0; i < string.Length(); i++)
+  {
+    wchar_t c = string[i];
+    int a;
+    if (c >= L'0' && c <= L'9')
+      a = c - L'0';
+    else if (c >= L'A' && c <= L'F')
+      a = 10 + c - L'A';
+    else if (c >= L'a' && c <= L'f')
+      a = 10 + c - L'a';
+    else
+      return false;
+    aResultValue *= 0x10;
+    aResultValue += a;
+  }
+  return true;
+}
+
+
+static bool WaitNextLine(const AString &string, int &pos)
+{
+  for (;pos < string.Length(); pos++)
+    if (string[pos] == 0x0A)
+      return true;
+  return false;
+}
+
+static int CompareLangItems(void *const *elem1, void *const *elem2, void *)
+{
+  const CLangPair &langPair1 = *(*((const CLangPair **)elem1));
+  const CLangPair &langPair2 = *(*((const CLangPair **)elem2));
+  return MyCompare(langPair1.Value, langPair2.Value);
+}
+
+bool CLang::Open(LPCTSTR fileName)
+{
+  _langPairs.Clear();
+  CStdInStream file;
+  if (!file.Open(fileName))
+    return false;
+  AString string;
+  file.ReadToString(string);
+  file.Close();
+  int pos = 0;
+  if (string.Length() >= 3)
+  {
+    if (Byte(string[0]) == 0xEF && Byte(string[1]) == 0xBB && Byte(string[2]) == 0xBF)
+      pos += 3;
+  }
+
+  /////////////////////
+  // read header
+
+  AString stringID = ";!@Lang@!UTF-8!";
+  if (string.Mid(pos, stringID.Length()) != stringID)
+    return false;
+  pos += stringID.Length();
+  
+  if (!WaitNextLine(string, pos))
+    return false;
+
+  CObjectVector<CTextConfigPair> pairs;
+  if (!GetTextConfig(string.Mid(pos),  pairs))
+    return false;
+
+  _langPairs.Reserve(_langPairs.Size());
+  for (int i = 0; i < pairs.Size(); i++)
+  {
+    CTextConfigPair textConfigPair = pairs[i];
+    CLangPair langPair;
+    if (!HexStringToNumber(textConfigPair.ID, langPair.Value))
+      return false;
+    langPair.String = textConfigPair.String;
+    _langPairs.Add(langPair);
+  }
+  _langPairs.Sort(CompareLangItems, NULL);
+  return true;
+}
+
+int CLang::FindItem(UInt32 value) const
+{
+  int left = 0, right = _langPairs.Size(); 
+  while (left != right)
+  {
+    UInt32 mid = (left + right) / 2;
+    UInt32 midValue = _langPairs[mid].Value;
+    if (value == midValue)
+      return mid;
+    if (value < midValue)
+      right = mid;
+    else
+      left = mid + 1;
+  }
+  return -1;
+}
+
+bool CLang::GetMessage(UInt32 value, UString &message) const
+{
+  int index =  FindItem(value);
+  if (index < 0)
+    return false;
+  message = _langPairs[index].String;
+  return true;
+}