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#include "stdafx.h"
#include "FileList.h"
FileList::FileList()
: m_fileList(100)
{
}
FileList::~FileList()
{
}
File& FileList::Add(const File& file)
{
POSITION pos = m_fileList.AddTail((File&)file);
return m_fileList.GetAt(pos);
}
void FileList::RemoveAll()
{
m_fileList.RemoveAll();
m_fileArray.RemoveAll();
}
void FileList::BuildArray()
{
// Build the file array.
m_fileArray.RemoveAll();
m_fileArray.SetSize(m_fileList.GetCount());
int arrayPos = 0;
POSITION listPos = m_fileList.GetHeadPosition();
while (listPos != NULL)
{
Info info;
info.m_pos = listPos;
info.m_file = &m_fileList.GetNext(listPos);
m_fileArray[arrayPos++] = info;
}
}
static int __cdecl CompareArray(const void* elem1, const void* elem2)
{
FileList::Info* info1 = (FileList::Info*)elem1;
FileList::Info* info2 = (FileList::Info*)elem2;
File* file1 = info1->m_file;
File* file2 = info2->m_file;
int ret = file1->GetShortName().Compare(file2->GetShortName());
if (ret == 0)
{
// If the names match, compare against the file extensions.
ret = file1->GetExt().Compare(file2->GetExt());
if (ret == 0)
{
// If the extensions match, compare against the path.
ret = file1->GetPath().CompareNoCase(file2->GetPath());
if (ret == 0)
{
file1->SetDuplicate(true);
file2->SetDuplicate(true);
}
}
}
return ret;
}
void FileList::Sort()
{
// Build the file array.
BuildArray();
// Sort the file array.
qsort(m_fileArray.GetData(), m_fileArray.GetSize(), sizeof(Info), CompareArray);
// Remove duplicates.
for (int curPos = 0; curPos < m_fileArray.GetSize(); curPos++)
{
File& file = *m_fileArray[curPos].m_file;
// Check for duplicates.
if (!file.m_duplicate)
continue;
// Found a duplicate... see how many more match.
for (int endPos = curPos + 1; endPos < m_fileArray.GetSize(); endPos++)
{
File& fileCmp = *m_fileArray[endPos].m_file;
int ret = file.GetShortName().Compare(fileCmp.GetShortName());
if (ret)
break;
// If the names match, compare against the file extensions.
ret = file.GetExt().Compare(fileCmp.GetExt());
if (ret)
break;
// If the extensions match, compare against the path.
ret = file.GetPath().CompareNoCase(fileCmp.GetPath());
if (ret)
break;
}
// [endPos] is now the last one that matched.
if (endPos - curPos < 2)
{
// Huh?
continue;
}
// Remove them.
for (int i = curPos + 1; i < endPos; i++)
{
m_fileList.RemoveAt(m_fileArray[i].m_pos);
}
m_fileArray.RemoveAt(curPos + 1, endPos - curPos - 1);
}
}
// Find exact file index.
int FileList::FindExact(File& file) const
{
// Scan the file list.
for (int i = 0; i < GetCount(); i++)
{
File& fileCmp = (*this)[i];
// Compare the extension.
if (!file.GetExt().IsEmpty() && file.GetExt() != fileCmp.GetExt())
continue;
// Compare the short name.
if (file.GetShortName() != fileCmp.GetShortName())
continue;
// Compare the path.
if (file.GetPath().CompareNoCase(fileCmp.GetPath()) == 0)
{
return i;
}
}
return -1;
}
// Find next file index.
int FileList::FindNext(int startPos, File& file) const
{
// Scan the file list.
for (int i = startPos + 1; i < GetCount(); i++)
{
File& fileCmp = (*this)[i];
// Compare the short name.
if (file.GetShortName() == fileCmp.GetShortName())
return i;
}
for (i = 0; i < startPos; i++)
{
File& fileCmp = (*this)[i];
// Compare the short name.
if (file.GetShortName() == fileCmp.GetShortName())
return i;
}
return -1;
}
// Find next file index.
int FileList::FindPrevious(int startPos, File& file) const
{
// Scan the file list.
for (int i = startPos - 1; i >= 0; i--)
{
File& fileCmp = (*this)[i];
// Compare the short name.
if (file.GetShortName() == fileCmp.GetShortName())
return i;
}
for (i = GetCount() - 1; i > startPos; i--)
{
File& fileCmp = (*this)[i];
// Compare the short name.
if (file.GetShortName() == fileCmp.GetShortName())
return i;
}
return -1;
}
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