Renew the updater branch

Now with some actual consensus on what the updater will do!

mmc_updater/src/DirIterator.cpp

@@ -0,0 +1,85 @@
+#include "DirIterator.h"
+
+#include "Log.h"
+#include "StringUtils.h"
+
+#ifdef PLATFORM_UNIX
+ #include <dirent.h>
+#endif
+
+#include <string.h>
+
+DirIterator::DirIterator(const char* path)
+{
+	m_path = path;
+
+#ifdef PLATFORM_UNIX
+	m_dir = opendir(path);
+	m_entry = 0;
+#else
+	// to list the contents of a directory, the first
+	// argument to FindFirstFile needs to be a wildcard
+	// of the form: C:\path\to\dir\*
+	std::string searchPath = m_path;
+	if (!endsWith(searchPath,"/"))
+	{
+		searchPath.append("/");
+	}
+	searchPath.append("*");
+	m_findHandle = FindFirstFile(searchPath.c_str(),&m_findData);
+	m_firstEntry = true;
+#endif
+}
+
+DirIterator::~DirIterator()
+{
+#ifdef PLATFORM_UNIX
+	closedir(m_dir);
+#else
+	FindClose(m_findHandle);
+#endif
+}
+
+bool DirIterator::next()
+{
+#ifdef PLATFORM_UNIX
+	m_entry = readdir(m_dir);
+	return m_entry != 0;
+#else
+	bool result;
+	if (m_firstEntry)
+	{
+		m_firstEntry = false;
+		return m_findHandle != INVALID_HANDLE_VALUE;
+	}
+	else
+	{
+		result = FindNextFile(m_findHandle,&m_findData);
+	}
+	return result;
+#endif
+}
+
+std::string DirIterator::fileName() const
+{
+#ifdef PLATFORM_UNIX
+	return m_entry->d_name;
+#else
+	return m_findData.cFileName;
+#endif
+}
+
+std::string DirIterator::filePath() const
+{
+	return m_path + '/' + fileName();
+}
+
+bool DirIterator::isDir() const
+{
+#ifdef PLATFORM_UNIX
+	return m_entry->d_type == DT_DIR;
+#else
+	return (m_findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
+#endif
+}
+