mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-26 17:21:57 +00:00
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package text
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/gohugoio/hugo/common/terminal"
|
|
)
|
|
|
|
// Positioner represents a thing that knows its position in a text file or stream,
|
|
// typically an error.
|
|
type Positioner interface {
|
|
Position() Position
|
|
}
|
|
|
|
// Position holds a source position in a text file or stream.
|
|
type Position struct {
|
|
Filename string // filename, if any
|
|
Offset int // byte offset, starting at 0. It's set to -1 if not provided.
|
|
LineNumber int // line number, starting at 1
|
|
ColumnNumber int // column number, starting at 1 (character count per line)
|
|
}
|
|
|
|
func (pos Position) String() string {
|
|
if pos.Filename == "" {
|
|
pos.Filename = "<stream>"
|
|
}
|
|
return positionStringFormatfunc(pos)
|
|
}
|
|
|
|
// IsValid returns true if line number is > 0.
|
|
func (pos Position) IsValid() bool {
|
|
return pos.LineNumber > 0
|
|
}
|
|
|
|
var positionStringFormatfunc func(p Position) string
|
|
|
|
func createPositionStringFormatter(formatStr string) func(p Position) string {
|
|
if formatStr == "" {
|
|
formatStr = "\":file::line::col\""
|
|
}
|
|
|
|
identifiers := []string{":file", ":line", ":col"}
|
|
var identifiersFound []string
|
|
|
|
for i := range formatStr {
|
|
for _, id := range identifiers {
|
|
if strings.HasPrefix(formatStr[i:], id) {
|
|
identifiersFound = append(identifiersFound, id)
|
|
}
|
|
}
|
|
}
|
|
|
|
replacer := strings.NewReplacer(":file", "%s", ":line", "%d", ":col", "%d")
|
|
format := replacer.Replace(formatStr)
|
|
|
|
f := func(pos Position) string {
|
|
args := make([]any, len(identifiersFound))
|
|
for i, id := range identifiersFound {
|
|
switch id {
|
|
case ":file":
|
|
args[i] = pos.Filename
|
|
case ":line":
|
|
args[i] = pos.LineNumber
|
|
case ":col":
|
|
args[i] = pos.ColumnNumber
|
|
}
|
|
}
|
|
|
|
msg := fmt.Sprintf(format, args...)
|
|
|
|
if terminal.PrintANSIColors(os.Stdout) {
|
|
return terminal.Notice(msg)
|
|
}
|
|
|
|
return msg
|
|
}
|
|
|
|
return f
|
|
}
|
|
|
|
func init() {
|
|
positionStringFormatfunc = createPositionStringFormatter(os.Getenv("HUGO_FILE_LOG_FORMAT"))
|
|
}
|