github.com/linchen2chris/hugo@v0.0.0-20230307053224-cec209389705/tpl/cast/init.go (about)

     1  // Copyright 2017 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package cast
    15  
    16  import (
    17  	"context"
    18  
    19  	"github.com/gohugoio/hugo/deps"
    20  	"github.com/gohugoio/hugo/tpl/internal"
    21  )
    22  
    23  const name = "cast"
    24  
    25  func init() {
    26  	f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
    27  		ctx := New()
    28  
    29  		ns := &internal.TemplateFuncsNamespace{
    30  			Name:    name,
    31  			Context: func(cctx context.Context, args ...any) (any, error) { return ctx, nil },
    32  		}
    33  
    34  		ns.AddMethodMapping(ctx.ToInt,
    35  			[]string{"int"},
    36  			[][2]string{
    37  				{`{{ "1234" | int | printf "%T" }}`, `int`},
    38  			},
    39  		)
    40  
    41  		ns.AddMethodMapping(ctx.ToString,
    42  			[]string{"string"},
    43  			[][2]string{
    44  				{`{{ 1234 | string | printf "%T" }}`, `string`},
    45  			},
    46  		)
    47  
    48  		ns.AddMethodMapping(ctx.ToFloat,
    49  			[]string{"float"},
    50  			[][2]string{
    51  				{`{{ "1234" | float | printf "%T" }}`, `float64`},
    52  			},
    53  		)
    54  
    55  		return ns
    56  	}
    57  
    58  	internal.AddTemplateFuncsNamespace(f)
    59  }