diff options
| -rw-r--r-- | doc/pages/expansions.asciidoc | 5 | ||||
| -rw-r--r-- | src/buffer_utils.cc | 2 | ||||
| -rw-r--r-- | src/buffer_utils.hh | 2 | ||||
| -rw-r--r-- | src/main.cc | 7 |
4 files changed, 14 insertions, 2 deletions
diff --git a/doc/pages/expansions.asciidoc b/doc/pages/expansions.asciidoc index cf55902f..37e5811c 100644 --- a/doc/pages/expansions.asciidoc +++ b/doc/pages/expansions.asciidoc @@ -305,6 +305,11 @@ The following expansions are supported (with required context _in italics_): history), and each _modification_ is presented as in `%val{uncommitted_modifications}`. +*%val{history_since_id}*:: + _in buffer, window scope_ + + a partial history of the buffer in the same format as `%val{history}` + starting after entry _id_ + *%val{history_id}*:: _in buffer, window scope_ + history id of the current buffer, an integer value which refers to a diff --git a/src/buffer_utils.cc b/src/buffer_utils.cc index bb64e9c1..dca1a372 100644 --- a/src/buffer_utils.cc +++ b/src/buffer_utils.cc @@ -393,7 +393,7 @@ static String modification_as_string(const Buffer::Modification& modification) modification.content->strview()); } -Vector<String> history_as_strings(const Vector<Buffer::HistoryNode>& history) +Vector<String> history_as_strings(ConstArrayView<Buffer::HistoryNode> history) { Vector<String> res; for (auto& node : history) diff --git a/src/buffer_utils.hh b/src/buffer_utils.hh index 96e89743..f677c34e 100644 --- a/src/buffer_utils.hh +++ b/src/buffer_utils.hh @@ -97,7 +97,7 @@ void write_buffer_to_backup_file(Buffer& buffer); void write_to_debug_buffer(StringView str); -Vector<String> history_as_strings(const Vector<Buffer::HistoryNode>& history); +Vector<String> history_as_strings(ConstArrayView<Buffer::HistoryNode> history); Vector<String> undo_group_as_strings(const Buffer::UndoGroup& undo_group); String generate_buffer_name(StringView pattern); diff --git a/src/main.cc b/src/main.cc index 0a2e68b0..60c0669e 100644 --- a/src/main.cc +++ b/src/main.cc @@ -315,6 +315,13 @@ static const EnvVarDesc builtin_env_vars[] = { { [](StringView name, const Context& context) -> Vector<String> { return history_as_strings(context.buffer().history()); } }, { + "history_since_", true, + [](StringView name, const Context& context) -> Vector<String> + { return history_as_strings( + ArrayView(context.buffer().history()) + .subrange(str_to_int(name.substr(14_byte)) + 1) + ); } + }, { "uncommitted_modifications", false, [](StringView name, const Context& context) -> Vector<String> { return undo_group_as_strings(context.buffer().current_undo_group()); } |