From f19f813537c7aea1c20749c914e756b54a9c3cf5 Mon Sep 17 00:00:00 2001
From: Igor Pavlov <87184205+ip7z@users.noreply.github.com>
Date: Mon, 27 Dec 2021 00:00:00 +0000
Subject: '21.07'

---
 CPP/Common/ListFileUtils.cpp | 150 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 CPP/Common/ListFileUtils.cpp

(limited to 'CPP/Common/ListFileUtils.cpp')

diff --git a/CPP/Common/ListFileUtils.cpp b/CPP/Common/ListFileUtils.cpp
new file mode 100644
index 0000000..b361b37
--- /dev/null
+++ b/CPP/Common/ListFileUtils.cpp
@@ -0,0 +1,150 @@
+// Common/ListFileUtils.cpp
+
+#include "StdAfx.h"
+
+#include "../../C/CpuArch.h"
+
+#include "ListFileUtils.h"
+#include "MyBuffer.h"
+#include "StringConvert.h"
+#include "UTFConvert.h"
+
+#include "../Windows/FileIO.h"
+
+#define CSysInFile NWindows::NFile::NIO::CInFile
+#define MY_GET_LAST_ERROR ::GetLastError()
+
+
+#define kQuoteChar '\"'
+
+
+static void AddName(UStringVector &strings, UString &s)
+{
+  s.Trim();
+  if (s.Len() >= 2 && s[0] == kQuoteChar && s.Back() == kQuoteChar)
+  {
+    s.DeleteBack();
+    s.Delete(0);
+  }
+  if (!s.IsEmpty())
+    strings.Add(s);
+}
+
+
+static bool My_File_Read(CSysInFile &file, void *data, size_t size, DWORD &lastError)
+{
+  size_t processed;
+  if (!file.ReadFull(data, size, processed))
+  {
+    lastError = MY_GET_LAST_ERROR;
+    return false;
+  }
+  if (processed != size)
+  {
+    lastError = 1; // error: size of listfile was changed
+    return false;
+  }
+  return true;
+}
+
+
+bool ReadNamesFromListFile2(CFSTR fileName, UStringVector &strings, UINT codePage, DWORD &lastError)
+{
+  lastError = 0;
+  CSysInFile file;
+  if (!file.Open(fileName))
+  {
+    lastError = MY_GET_LAST_ERROR;
+    return false;
+  }
+  UInt64 fileSize;
+  if (!file.GetLength(fileSize))
+  {
+    lastError = MY_GET_LAST_ERROR;
+    return false;
+  }
+  if (fileSize >= ((UInt32)1 << 31) - 32)
+    return false;
+  UString u;
+  if (codePage == MY__CP_UTF16 || codePage == MY__CP_UTF16BE)
+  {
+    if ((fileSize & 1) != 0)
+      return false;
+    CByteArr buf((size_t)fileSize);
+
+    if (!My_File_Read(file, buf, (size_t)fileSize, lastError))
+      return false;
+
+    file.Close();
+    const unsigned num = (unsigned)fileSize / 2;
+    wchar_t *p = u.GetBuf(num);
+    if (codePage == MY__CP_UTF16)
+      for (unsigned i = 0; i < num; i++)
+      {
+        wchar_t c = GetUi16(buf + (size_t)i * 2);
+        if (c == 0)
+          return false;
+        p[i] = c;
+      }
+    else
+      for (unsigned i = 0; i < num; i++)
+      {
+        wchar_t c = (wchar_t)GetBe16(buf + (size_t)i * 2);
+        if (c == 0)
+          return false;
+        p[i] = c;
+      }
+    p[num] = 0;
+    u.ReleaseBuf_SetLen(num);
+  }
+  else
+  {
+    AString s;
+    char *p = s.GetBuf((unsigned)fileSize);
+
+    if (!My_File_Read(file, p, (size_t)fileSize, lastError))
+      return false;
+
+    file.Close();
+    s.ReleaseBuf_CalcLen((unsigned)fileSize);
+    if (s.Len() != fileSize)
+      return false;
+    
+    // #ifdef CP_UTF8
+    if (codePage == CP_UTF8)
+    {
+      // we must check UTF8 here, if convert function doesn't check
+      if (!CheckUTF8_AString(s))
+        return false;
+      if (!ConvertUTF8ToUnicode(s, u))
+        return false;
+    }
+    else
+    // #endif
+      MultiByteToUnicodeString2(u, s, codePage);
+  }
+
+  const wchar_t kGoodBOM = 0xFEFF;
+  // const wchar_t kBadBOM  = 0xFFFE;
+  
+  UString s;
+  unsigned i = 0;
+  for (; i < u.Len() && u[i] == kGoodBOM; i++);
+  for (; i < u.Len(); i++)
+  {
+    wchar_t c = u[i];
+    /*
+    if (c == kGoodBOM || c == kBadBOM)
+      return false;
+    */
+    if (c == '\n' || c == 0xD)
+    {
+      AddName(strings, s);
+      s.Empty();
+    }
+    else
+      s += c;
+  }
+  AddName(strings, s);
+  return true;
+}
-- 
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