Reduce headers dependency graph

Move more code into the implementation files to reduce the amount
of code pulled by headers.

1 files changed, 34 insertions, 0 deletions

diff --git a/src/selection.cc b/src/selection.cc
index f0f0270c..03dd4721 100644
--- a/src/selection.cc
+++ b/src/selection.cc
@@ -7,6 +7,8 @@
 namespace Kakoune
 {
 
+SelectionList::~SelectionList() = default;
+
 SelectionList::SelectionList(Buffer& buffer, Selection s, size_t timestamp)
     : m_selections({ std::move(s) }), m_buffer(&buffer), m_timestamp(timestamp)
 {
@@ -27,6 +29,11 @@ SelectionList::SelectionList(Buffer& buffer, Vector<Selection> list, size_t time
 SelectionList::SelectionList(Buffer& buffer, Vector<Selection> list)
     : SelectionList(buffer, std::move(list), buffer.timestamp()) {}
 
+SelectionList::SelectionList(const SelectionList&) = default;
+SelectionList::SelectionList(SelectionList&&) = default;
+SelectionList& SelectionList::operator=(const SelectionList&) = default;
+SelectionList& SelectionList::operator=(SelectionList&&) = default;
+
 void SelectionList::remove(size_t index)
 {
     m_selections.erase(begin() + index);
@@ -538,4 +545,31 @@ Selection selection_from_string(ColumnType column_type, const Buffer& buffer, St
     return Selection{anchor, cursor};
 }
 
+SelectionList selection_list_from_strings(Buffer& buffer, ColumnType column_type, ConstArrayView<String> descs, size_t timestamp, size_t main, ColumnCount tabstop)
+{
+    if ((column_type != ColumnType::Byte and timestamp != buffer.timestamp()) or timestamp > buffer.timestamp())
+        throw runtime_error{format("invalid timestamp '{}'", timestamp)};
+
+    auto from_string = [&](StringView desc) {
+        return selection_from_string(column_type, buffer, desc, tabstop);
+    };
+
+    auto sels = descs | transform(from_string) | gather<Vector<Selection>>();
+    if (sels.empty())
+        throw runtime_error{"empty selection description"};
+    if (main >= sels.size())
+        throw runtime_error{"invalid main selection index"};
+
+    sort_selections(sels, main);
+    merge_overlapping_selections(sels, main);
+    if (timestamp < buffer.timestamp())
+        update_selections(sels, main, buffer, timestamp);
+    else
+        clamp_selections(sels, buffer);
+
+    SelectionList res{buffer, std::move(sels)};
+    res.set_main_index(main);
+    return res;
+}
+
 }