--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/foobar2000/SDK/file_info_const_impl.cpp	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,287 @@
+#include "foobar2000-sdk-pch.h"
+
+#include "file_info_const_impl.h"
+
+// presorted - do not change without a proper strcmp resort
+static const char * const standard_fieldnames[] = {
+	"ALBUM","ALBUM ARTIST","ARTIST","Album","Album Artist","Artist","COMMENT","Comment","DATE","DISCNUMBER","Date",
+	"Discnumber","GENRE","Genre","TITLE","TOTALTRACKS","TRACKNUMBER","Title","TotalTracks","Totaltracks","TrackNumber",
+	"Tracknumber","album","album artist","artist","comment","date","discnumber","genre","title","totaltracks","tracknumber",
+};
+
+// presorted - do not change without a proper strcmp resort
+static const char * const standard_infonames[] = {
+	"bitrate","bitspersample","channels","codec","codec_profile","encoding","samplerate","tagtype","tool",
+};
+
+static const char * optimize_fieldname(const char * p_string) {
+	t_size index;
+	if (!pfc::binarySearch<pfc::comparator_strcmp>::run(standard_fieldnames,0,PFC_TABSIZE(standard_fieldnames),p_string,index)) return NULL;
+	return standard_fieldnames[index];
+}
+
+static const char * optimize_infoname(const char * p_string) {
+	t_size index;
+	if (!pfc::binarySearch<pfc::comparator_strcmp>::run(standard_infonames,0,PFC_TABSIZE(standard_infonames),p_string,index)) return NULL;
+	return standard_infonames[index];
+}
+
+/*
+order of things
+
+  meta entries
+  meta value map
+  info entries 
+  string buffer
+
+*/
+
+inline static char* stringbuffer_append(char * & buffer,const char * value)
+{
+	char * ret = buffer;
+	while(*value) *(buffer++) = *(value++);
+	*(buffer++) = 0;
+	return ret;
+}
+
+#ifdef __file_info_const_impl_have_hintmap__
+
+namespace {
+	class sort_callback_hintmap_impl : public pfc::sort_callback
+	{
+	public:
+		sort_callback_hintmap_impl(const file_info_const_impl::meta_entry * p_meta,file_info_const_impl::t_index * p_hintmap)
+			: m_meta(p_meta), m_hintmap(p_hintmap)
+		{
+		}
+		
+		int compare(t_size p_index1, t_size p_index2) const
+		{
+//			profiler(sort_callback_hintmap_impl_compare);
+			return pfc::stricmp_ascii(m_meta[m_hintmap[p_index1]].m_name,m_meta[m_hintmap[p_index2]].m_name);
+		}
+		
+		void swap(t_size p_index1, t_size p_index2)
+		{
+			pfc::swap_t<file_info_const_impl::t_index>(m_hintmap[p_index1],m_hintmap[p_index2]);
+		}
+	private:
+		const file_info_const_impl::meta_entry * m_meta;
+		file_info_const_impl::t_index * m_hintmap;
+	};
+
+	class bsearch_callback_hintmap_impl// : public pfc::bsearch_callback
+	{
+	public:
+		bsearch_callback_hintmap_impl(
+			const file_info_const_impl::meta_entry * p_meta,
+			const file_info_const_impl::t_index * p_hintmap,
+			const char * p_name,
+			t_size p_name_length)
+			: m_meta(p_meta), m_hintmap(p_hintmap), m_name(p_name), m_name_length(p_name_length)
+		{
+		}
+
+		inline int test(t_size p_index) const
+		{
+			return pfc::stricmp_ascii_ex(m_meta[m_hintmap[p_index]].m_name,SIZE_MAX,m_name,m_name_length);
+		}
+
+	private:
+		const file_info_const_impl::meta_entry * m_meta;
+		const file_info_const_impl::t_index * m_hintmap;
+		const char * m_name;
+		t_size m_name_length;
+	};
+}
+
+#endif//__file_info_const_impl_have_hintmap__
+
+void file_info_const_impl::copy(const file_info & p_source)
+{
+//	profiler(file_info_const_impl__copy);
+	t_size meta_size = 0;
+	t_size info_size = 0;
+	t_size valuemap_size = 0;
+	t_size stringbuffer_size = 0;
+#ifdef __file_info_const_impl_have_hintmap__
+	t_size hintmap_size = 0;
+#endif
+
+	const char * optbuf[64];
+	size_t optwalk = 0;
+
+	{
+//		profiler(file_info_const_impl__copy__pass1);
+		t_size index;
+		m_meta_count = pfc::downcast_guarded<t_index>(p_source.meta_get_count());
+		meta_size = m_meta_count * sizeof(meta_entry);
+#ifdef __file_info_const_impl_have_hintmap__
+		hintmap_size = (m_meta_count > hintmap_cutoff) ? m_meta_count * sizeof(t_index) : 0;
+#endif//__file_info_const_impl_have_hintmap__
+		for(index = 0; index < m_meta_count; index++ )
+		{
+			{
+				const char * name = p_source.meta_enum_name(index);
+				const char * opt = optimize_fieldname(name);
+				if (optwalk < PFC_TABSIZE(optbuf)) optbuf[optwalk++] = opt;
+				if (opt == NULL) stringbuffer_size += strlen(name) + 1;
+			}
+
+			t_size val; const t_size val_max = p_source.meta_enum_value_count(index);
+			
+			if (val_max == 1)
+			{
+				stringbuffer_size += strlen(p_source.meta_enum_value(index,0)) + 1;
+			}
+			else
+			{
+				valuemap_size += val_max * sizeof(char*);
+
+				for(val = 0; val < val_max; val++ )
+				{
+					stringbuffer_size += strlen(p_source.meta_enum_value(index,val)) + 1;
+				}
+			}
+		}
+
+		m_info_count = pfc::downcast_guarded<t_index>(p_source.info_get_count());
+		info_size = m_info_count * sizeof(info_entry);
+		for(index = 0; index < m_info_count; index++ )
+		{
+			const char * name = p_source.info_enum_name(index);
+			const char * opt = optimize_infoname(name);
+			if (optwalk < PFC_TABSIZE(optbuf)) optbuf[optwalk++] = opt;
+			if (opt == NULL) stringbuffer_size += strlen(name) + 1;
+			stringbuffer_size += strlen(p_source.info_enum_value(index)) + 1;
+		}
+	}
+
+
+	{
+//		profiler(file_info_const_impl__copy__alloc);
+		m_buffer.set_size(
+#ifdef __file_info_const_impl_have_hintmap__
+			hintmap_size + 
+#endif
+			meta_size + info_size + valuemap_size + stringbuffer_size);
+	}
+
+	char * walk = m_buffer.get_ptr();
+
+#ifdef __file_info_const_impl_have_hintmap__
+	t_index* hintmap = (hintmap_size > 0) ? (t_index*) walk : NULL;
+	walk += hintmap_size;
+#endif
+	meta_entry * meta = (meta_entry*) walk;
+	walk += meta_size;
+	char ** valuemap = (char**) walk;
+	walk += valuemap_size;
+	info_entry * info = (info_entry*) walk;
+	walk += info_size;
+	char * stringbuffer = walk;
+
+	m_meta = meta;
+	m_info = info;
+#ifdef __file_info_const_impl_have_hintmap__
+	m_hintmap = hintmap;
+#endif
+
+	optwalk = 0;
+	{
+//		profiler(file_info_const_impl__copy__pass2);
+		t_size index;
+		for( index = 0; index < m_meta_count; index ++ )
+		{
+			t_size val; const t_size val_max = p_source.meta_enum_value_count(index);
+
+			{
+				const char * name = p_source.meta_enum_name(index);
+				const char * name_opt;
+
+				if (optwalk < PFC_TABSIZE(optbuf)) name_opt = optbuf[optwalk++];
+				else name_opt = optimize_fieldname(name);
+
+				if (name_opt == NULL)
+					meta[index].m_name = stringbuffer_append(stringbuffer, name );
+				else
+					meta[index].m_name = name_opt;
+			}
+			
+			meta[index].m_valuecount = val_max;
+
+			if (val_max == 1)
+			{
+				meta[index].m_valuemap = reinterpret_cast<const char * const *>(stringbuffer_append(stringbuffer, p_source.meta_enum_value(index,0) ));
+			}
+			else
+			{
+				meta[index].m_valuemap = valuemap;
+				for( val = 0; val < val_max ; val ++ )
+					*(valuemap ++ ) = stringbuffer_append(stringbuffer, p_source.meta_enum_value(index,val) );
+			}
+		}
+
+		for( index = 0; index < m_info_count; index ++ )
+		{
+			const char * name = p_source.info_enum_name(index);
+			const char * name_opt;
+
+			if (optwalk < PFC_TABSIZE(optbuf)) name_opt = optbuf[optwalk++];
+			else name_opt = optimize_infoname(name);
+
+			if (name_opt == NULL)
+				info[index].m_name = stringbuffer_append(stringbuffer, name );
+			else
+				info[index].m_name = name_opt;
+			info[index].m_value = stringbuffer_append(stringbuffer, p_source.info_enum_value(index) );
+		}
+	}
+
+	m_length = p_source.get_length();
+	m_replaygain = p_source.get_replaygain();
+#ifdef __file_info_const_impl_have_hintmap__
+	if (hintmap != NULL) {
+//		profiler(file_info_const_impl__copy__hintmap);
+		for(t_size n=0;n<m_meta_count;n++) hintmap[n]= (t_index) n;
+        sort_callback_hintmap_impl cb(meta,hintmap);
+		pfc::sort(cb,m_meta_count);
+	}
+#endif//__file_info_const_impl_have_hintmap__
+}
+
+
+void file_info_const_impl::reset()
+{
+	m_meta_count = m_info_count = 0; m_length = 0; m_replaygain.reset();
+}
+
+t_size file_info_const_impl::meta_find_ex(const char * p_name,t_size p_name_length) const
+{
+#ifdef __file_info_const_impl_have_hintmap__
+	if (m_hintmap != NULL) {
+		t_size result = SIZE_MAX;
+		if (!pfc::bsearch_inline_t(m_meta_count,bsearch_callback_hintmap_impl(m_meta,m_hintmap,p_name,p_name_length),result)) return SIZE_MAX;
+		else return m_hintmap[result];
+	} else {
+		return file_info::meta_find_ex(p_name,p_name_length);
+	}
+#else
+	return file_info::meta_find_ex(p_name,p_name_length);
+#endif
+}
+
+
+t_size	file_info_const_impl::meta_enum_value_count(t_size p_index) const
+{
+	return m_meta[p_index].m_valuecount;
+}
+
+const char*	file_info_const_impl::meta_enum_value(t_size p_index,t_size p_value_number) const
+{
+	const meta_entry & entry = m_meta[p_index];
+	if (entry.m_valuecount == 1)
+		return reinterpret_cast<const char*>(entry.m_valuemap);
+	else
+		return entry.m_valuemap[p_value_number];
+}