github.com/anakojm/hugo-katex@v0.0.0-20231023141351-42d6f5de9c0b/tpl/tplimpl/template_errors.go (about)

     1  // Copyright 2018 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 tplimpl
    15  
    16  import (
    17  	"fmt"
    18  
    19  	"github.com/gohugoio/hugo/common/herrors"
    20  	"github.com/spf13/afero"
    21  )
    22  
    23  type templateInfo struct {
    24  	name     string
    25  	template string
    26  	isText   bool // HTML or plain text template.
    27  
    28  	// Used to create some error context in error situations
    29  	fs afero.Fs
    30  
    31  	// The filename relative to the fs above.
    32  	filename string
    33  
    34  	// The real filename (if possible). Used for logging.
    35  	realFilename string
    36  }
    37  
    38  func (t templateInfo) Name() string {
    39  	return t.name
    40  }
    41  
    42  func (t templateInfo) Filename() string {
    43  	return t.realFilename
    44  }
    45  
    46  func (t templateInfo) IsZero() bool {
    47  	return t.name == ""
    48  }
    49  
    50  func (t templateInfo) resolveType() templateType {
    51  	return resolveTemplateType(t.name)
    52  }
    53  
    54  func (info templateInfo) errWithFileContext(what string, err error) error {
    55  	err = fmt.Errorf(what+": %w", err)
    56  	fe := herrors.NewFileErrorFromName(err, info.realFilename)
    57  	f, err := info.fs.Open(info.filename)
    58  	if err != nil {
    59  		return err
    60  	}
    61  	defer f.Close()
    62  	return fe.UpdateContent(f, nil)
    63  
    64  }