Nuke binary plugins 15.1.4
 
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DD::Image::GsvScope Class Reference

#include <GsvScope.h>

Inherits std::enable_shared_from_this< GsvScope >.

Public Member Functions

bool isEmpty () const
 
const std::map< std::string, std::shared_ptr< std::string > > & allVars () const
 
fdk::StringSet varNames () const
 Get the list of all vars in this scope including the inherited ones.
 
bool hasVar (const std::string &varname) const
 Returns true if the named var is in the scope, either locally or inherited.
 
bool hasLocalVar (const std::string &varname) const
 Returns true if the named var is a local var in the scope.
 
std::optional< std::string > valueOf (const std::string &varname) const
 Returns a GSV value from the named var (<setname>.<varname>).
 
std::optional< std::string > valueOf (const std::string &set, const std::string &key) const
 
const GsvScopeId & id () const
 
const fdk::Hash & hash () const
 Returns the hash of all of its data, including parents.
 
const fdk::Hash & localHash () const
 Returns the hash of the local vars in this scope.
 
GsvScopePtr parent () const
 Returns the parent of the GsvScope.
 
GsvSets localGsvSets () const
 Returns the local override GsvSets held by the GsvScope.
 
const GsvScopePtr build (const GsvSets &gsvSets)
 
const std::map< std::string, std::vector< std::shared_ptr< std::string > > > & data () const
 
GsvScopePtr ptr ()
 Returns a shared pointer to the GsvScope.
 

Friends

class GsvRepository
 
class GsvScopeImpl
 
std::ostream & operator<< (std::ostream &os, const GsvScope &scope)
 For debugging only, do not use for serialization.
 

Detailed Description

A GsvScope is an immutable object that holds GsvSets. A Gsv is a Graph Scope Variable that is defined by a Node and set to a GsvScope during the Op tree generation. GSVs can be used in expressions, for example, a GSV named 'dir' used in a Read node file path like "/Volume/%dir" and can be resolved to different values depending on the GsvScope used in the context. A GsvScope can have a parent scope, which allows for the GsvScope to be extended and overriden. A GsvScope can be directly constructed via a GsvRepository, or indirectly via an existing GsvScope that will call the GsvRepository under the hood. The access to a GsvScope should be done via a GsvScopePtr returned either by a GsvRepository::build() or GsvScope::build() function. If a GsvScopePtr is empty, the scope should be considered nonexisting.

Member Function Documentation

◆ allVars()

const std::map< std::string, std::shared_ptr< std::string > > & GsvScope::allVars ( ) const

Get the flattened set of all vars with expanded names. Vars in custom GvsSets have names expanded to '<setname>.<varname>'.

◆ valueOf()

std::optional< std::string > GsvScope::valueOf ( const std::string &  set,
const std::string &  key 
) const

Returns a GSV value from a GsvSet in this scope. set is the name of the GsvSet to be searched for key. key is the GSV name to be searched. Returns an optional string with the GSV value, if found, or std::nullopt otherwise.

◆ id()

const GsvScopeId & GsvScope::id ( ) const

Returns the unique ID for this scope which will change if any of its local or inherited vars change in name or value.

◆ build()

const GsvScopePtr GsvScope::build ( const GsvSets &  gsvSets)

Returns a GsvSet with the given GsvSets and parented by the callee GsvSet. data is the GsvSets to be held by the GsvScope.

References ptr().

◆ data()

const std::map< std::string, std::vector< std::shared_ptr< std::string > > > & GsvScope::data ( ) const

Returns all the GSV data used to create this scope in a flattened fashion. The key in this map is in the form <gsv-set-name>.<variable-name>. The value for each key is a vector with all the values the variable had during the scope construction. The order of the values is the reverse order of construction (most recent overrides comes first).



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