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tag/Handler: convert to class with virtual methods

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This commit is contained in:
Max Kellermann
2018-07-05 19:07:05 +02:00
parent 09d4176210
commit 3d3a1232b1
49 changed files with 414 additions and 496 deletions
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27
src/command/OtherCommands.cxx
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@@ -93,15 +93,6 @@ handle_kill(gcc_unused Client &client, gcc_unused Request request,
return CommandResult::KILL;
}
static void
print_tag(TagType type, const char *value, void *ctx)
{
auto &r = *(Response *)ctx;
if (r.GetClient().tag_mask.Test(type))
tag_print(r, type, value);
}
CommandResult
handle_listfiles(Client &client, Request args, Response &r)
{
@@ -149,16 +140,24 @@ handle_listfiles(Client &client, Request args, Response &r)
gcc_unreachable();
}
static constexpr TagHandler print_tag_handler = {
nullptr,
print_tag,
nullptr,
class PrintTagHandler final : public NullTagHandler {
Response &response;
public:
explicit PrintTagHandler(Response &_response) noexcept
:NullTagHandler(WANT_TAG), response(_response) {}
void OnTag(TagType type, const char *value) noexcept override {
if (response.GetClient().tag_mask.Test(type))
tag_print(response, type, value);
}
};
static CommandResult
handle_lsinfo_absolute(Response &r, const char *uri)
{
if (!tag_stream_scan(uri, print_tag_handler, &r)) {
PrintTagHandler h(r);
if (!tag_stream_scan(uri, h)) {
r.Error(ACK_ERROR_NO_EXIST, "No such file");
return CommandResult::ERROR;
}