75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
package resource
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import (
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"context"
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)
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// Result contains the results of an external code operation.
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type Result struct {
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Content string // content value for symbol after execution.
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FlagSet []uint32 // request caller to set error flags at given indices.
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FlagReset []uint32 // request caller to reset error flags at given indices.
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}
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// EntryFunc is a function signature for retrieving value for a key
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type EntryFunc func(sym string, input []byte, ctx context.Context) (Result, error)
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type CodeFunc func(sym string) ([]byte, error)
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type TemplateFunc func(sym string) (string, error)
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type FuncForFunc func(sym string) (EntryFunc, error)
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// Resource implementation are responsible for retrieving values and templates for symbols, and can render templates from value dictionaries.
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type Resource interface {
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GetTemplate(sym string) (string, error) // Get the template for a given symbol.
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GetCode(sym string) ([]byte, error) // Get the bytecode for the given symbol.
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FuncFor(sym string) (EntryFunc, error) // Resolve symbol content point for.
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}
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// MenuResource contains the base definition for building Resource implementations.
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//
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// TODO: Rename to BaseResource
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type MenuResource struct {
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sinkValues []string
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codeFunc CodeFunc
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templateFunc TemplateFunc
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funcFunc FuncForFunc
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}
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// NewMenuResource creates a new MenuResource instance.
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func NewMenuResource() *MenuResource {
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return &MenuResource{}
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}
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// WithCodeGetter sets the code symbol resolver method.
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func(m *MenuResource) WithCodeGetter(codeGetter CodeFunc) *MenuResource {
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m.codeFunc = codeGetter
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return m
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}
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// WithEntryGetter sets the content symbol resolver getter method.
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func(m *MenuResource) WithEntryFuncGetter(entryFuncGetter FuncForFunc) *MenuResource {
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m.funcFunc = entryFuncGetter
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return m
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}
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// WithTemplateGetter sets the template symbol resolver method.
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func(m *MenuResource) WithTemplateGetter(templateGetter TemplateFunc) *MenuResource {
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m.templateFunc = templateGetter
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return m
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}
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// FuncFor implements Resource interface
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func(m *MenuResource) FuncFor(sym string) (EntryFunc, error) {
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return m.funcFunc(sym)
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}
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// GetCode implements Resource interface
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func(m *MenuResource) GetCode(sym string) ([]byte, error) {
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return m.codeFunc(sym)
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}
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// GetTemplate implements Resource interface
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func(m *MenuResource) GetTemplate(sym string) (string, error) {
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return m.templateFunc(sym)
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}
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