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CLI2: Refactored some of ::prepareFilter into ::categorizeArgs

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This commit is contained in:
Paul Beckingham 2015-09-04 10:47:44 -04:00
parent 5cd1649db2
commit a82927cb54
2 changed files with 67 additions and 60 deletions
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126
src/CLI2.cpp
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@ -620,66 +620,8 @@ void CLI2::prepareFilter ()
_id_ranges.clear ();
_uuid_list.clear ();
// Context is only applied for commands that request it.
std::string command = getCommand ();
Command* cmd = context.commands[command];
if (cmd && cmd->uses_context ())
addContextFilter ();
// Classify FILTER, MODIFICATION and MISCELLANEOUS args, based on CMD DNA.
bool changes = false;
bool afterCommand = false;
for (auto& a : _args)
{
if (a._lextype == Lexer::Type::separator)
continue;
if (a.hasTag ("CMD"))
{
afterCommand = true;
}
else if (a.hasTag ("BINARY") ||
a.hasTag ("RC") ||
a.hasTag ("CONFIG"))
{
// NOP.
}
// All MODIFICATION args appear after the command.
else if (cmd &&
cmd->accepts_modifications () &&
! cmd->accepts_miscellaneous () &&
afterCommand)
{
a.tag ("MODIFICATION");
changes = true;
}
else if (cmd &&
cmd->accepts_miscellaneous () &&
! cmd->accepts_modifications () &&
(afterCommand ||
! cmd->accepts_filter ()))
{
a.tag ("MISCELLANEOUS");
changes = true;
}
else if (cmd &&
cmd->accepts_filter () &&
(! afterCommand ||
(! cmd->accepts_modifications () &&
! cmd->accepts_miscellaneous ())))
{
a.tag ("FILTER");
changes = true;
}
}
if (changes &&
context.config.getInteger ("debug.parser") >= 3)
context.debug (dump ("CLI2::prepareFilter"));
// Determine arg types: FILTER, MODIFICATION, MISCELLANEOUS.
categorizeArgs ();
// Remove all the syntactic sugar for FILTERs.
lexFilterArgs ();
@ -964,6 +906,70 @@ void CLI2::canonicalizeNames ()
context.debug (dump ("CLI2::analyze canonicalizeNames"));
}
////////////////////////////////////////////////////////////////////////////////
// Categorize FILTER, MODIFICATION and MISCELLANEOUS args, based on CMD DNA.
void CLI2::categorizeArgs ()
{
// Context is only applied for commands that request it.
std::string command = getCommand ();
Command* cmd = context.commands[command];
if (cmd && cmd->uses_context ())
addContextFilter ();
bool changes = false;
bool afterCommand = false;
for (auto& a : _args)
{
if (a._lextype == Lexer::Type::separator)
continue;
if (a.hasTag ("CMD"))
{
afterCommand = true;
}
else if (a.hasTag ("BINARY") ||
a.hasTag ("RC") ||
a.hasTag ("CONFIG"))
{
// NOP.
}
// All MODIFICATION args appear after the command.
else if (cmd &&
cmd->accepts_modifications () &&
! cmd->accepts_miscellaneous () &&
afterCommand)
{
a.tag ("MODIFICATION");
changes = true;
}
else if (cmd &&
cmd->accepts_miscellaneous () &&
! cmd->accepts_modifications () &&
(afterCommand ||
! cmd->accepts_filter ()))
{
a.tag ("MISCELLANEOUS");
changes = true;
}
else if (cmd &&
cmd->accepts_filter () &&
(! afterCommand ||
(! cmd->accepts_modifications () &&
! cmd->accepts_miscellaneous ())))
{
a.tag ("FILTER");
changes = true;
}
}
if (changes &&
context.config.getInteger ("debug.parser") >= 3)
context.debug (dump ("CLI2::analyze categorizeArgs"));
}
////////////////////////////////////////////////////////////////////////////////
// Scan all arguments and if any are an exact match for a command name, then
// tag as CMD. If an argument is an exact match for an attribute, despite being

1
src/CLI2.h
View file

@ -90,6 +90,7 @@ private:
void demotion ();
void aliasExpansion ();
void canonicalizeNames ();
void categorizeArgs ();
bool findCommand ();
bool exactMatch (const std::string&, const std::string&) const;
void desugarFilterTags ();