source: code/trunk/vendor/github.com/yosssi/gcss/mixin_invocation.go@ 67

package gcss

import "io"

// mixinInvocation represents a mixin invocation.
type mixinInvocation struct {
        elementBase
        name        string
        paramValues []string
}

// WriteTo writes the selector to the writer.
func (mi *mixinInvocation) WriteTo(w io.Writer) (int64, error) {
        return 0, nil
}

// decsParams returns the mixin's declarations and params.
func (mi *mixinInvocation) decsParams() ([]*declaration, map[string]string) {
        md, ok := mi.Context().mixins[mi.name]

        if !ok {
                return nil, nil
        }

        params := make(map[string]string)

        l := len(mi.paramValues)

        for i, name := range md.paramNames {
                if i < l {
                        params[name] = mi.paramValues[i]
                }
        }

        return md.decs, params
}

// selsParams returns the mixin's selectors and params.
func (mi *mixinInvocation) selsParams() ([]*selector, map[string]string) {
        md, ok := mi.Context().mixins[mi.name]

        if !ok {
                return nil, nil
        }

        params := make(map[string]string)

        l := len(mi.paramValues)

        for i, name := range md.paramNames {
                if i < l {
                        params[name] = mi.paramValues[i]
                }
        }

        return md.sels, params
}

// newMixinInvocation creates and returns a mixin invocation.
func newMixinInvocation(ln *line, parent element) (*mixinInvocation, error) {
        name, paramValues, err := mixinNP(ln, false)

        if err != nil {
                return nil, err
        }

        return &mixinInvocation{
                elementBase: newElementBase(ln, parent),
                name:        name,
                paramValues: paramValues,
        }, nil
}