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config.go
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config.go
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package main
import (
"flag"
"fmt"
"path/filepath"
"strings"
"github.com/qawatake/obsdconv/convert"
)
const (
FLAG_SOURCE = "src"
FLAG_DESTINATION = "dst"
FLAG_TARGET = "tgt"
FLAG_REMOVE_TAGS = "rmtag"
FLAG_COPY_TAGS = "cptag"
FLAG_SYNC_TAGS = "synctag"
FLAG_COPY_TITLE = "title"
FLAG_COPY_ALIASES = "alias"
FLAG_SYNC_TITLE_ALIASES = "synctlal"
FLAG_CONVERT_LINKS = "link"
FLAG_REMOVE_COMMENT = "cmmt"
FLAG_PUBLISHABLE = "pub"
FLAG_REMOVE_H1 = "rmh1"
FLAG_REMAP_META_KEYS = "remapkey"
FLAG_FILTER = "filter"
// FLAG_BASE_URL = "baseUrl"
FLAG_REMAP_PATH_PREFIX = "remapPathPrefix"
FLAG_FORMAT_LINK = "formatLink"
FLAG_FORMAT_ANCHOR = "formatAnchor"
FLAG_STRICT_REF = "strictref"
FLAG_OBSIDIAN_USAGE = "obs"
FLAG_STANDARD_USAGE = "std"
FLAG_VERSION = "version"
FLAG_DEBUG = "debug"
)
type configuration struct {
src string
dst string
tgt string
rmtag bool
cptag bool
synctag bool
title bool
alias bool
synctlal bool
link bool
cmmt bool
publishable bool
rmH1 bool
strictref bool
remapkey string
filter string
// baseUrl string
remapPathPrefix string
formatLink bool
formatAnchor string
obs bool
std bool
ver bool
debug bool
}
type mainErrKind int
const (
MAIN_ERR_UNEXPECTED = iota + 1
MAIN_ERR_KIND_SOURCE_NOT_SET
MAIN_ERR_KIND_DESTINATION_NOT_SET
MAIN_ERR_KIND_STRICTREF_NEEDS_LINK
MAIN_ERR_KIND_INVALID_SOURCE_FORMAT
MAIN_ERR_KIND_INVALID_DESTINATION_FORMAT
MAIN_ERR_KIND_TARGET_IS_MARKDOWN_FILE_BUT_DESTINATION_IS_NOT
MAIN_ERR_KIND_DESTINATION_IS_MARKDOWN_FILE_BUT_TARGET_IS_NOT
MAIN_ERR_KIND_INVALID_REMAP_FORMAT
MAIN_ERR_KIND_INVALID_FILTER_FORMAT
MAIN_ERR_KIND_FORMAT_LINK_NEEDS_LINK
MAIN_ERR_KIND_INVALID_ANCHOR_FORMATTING_STYLE
MAIN_ERR_KIND_REMAP_PATH_PREFIX_NEEDS_LINK
MAIN_ERR_KIND_INVALID_REMAP_PATH_PREFIX_FORMAT
// MAIN_ERR_KIND_BASE_URL_NEEDS_LINK
)
type mainErr interface {
error
Kind() mainErrKind
}
type mainErrImpl struct {
kind mainErrKind
message string
}
func (e *mainErrImpl) Error() string {
return e.message
}
func (e *mainErrImpl) Kind() mainErrKind {
return e.kind
}
func newMainErr(kind mainErrKind) mainErr {
err := new(mainErrImpl)
switch kind {
case MAIN_ERR_KIND_SOURCE_NOT_SET:
err.message = fmt.Sprintf("%s was not set", FLAG_SOURCE)
case MAIN_ERR_KIND_DESTINATION_NOT_SET:
err.message = fmt.Sprintf("%s was not set", FLAG_DESTINATION)
case MAIN_ERR_KIND_STRICTREF_NEEDS_LINK:
err.message = fmt.Sprintf("%s set but not %s", FLAG_STRICT_REF, FLAG_CONVERT_LINKS)
case MAIN_ERR_KIND_INVALID_SOURCE_FORMAT:
err.message = fmt.Sprintf("%s shouldn't begin with \"-\"", FLAG_SOURCE)
case MAIN_ERR_KIND_INVALID_DESTINATION_FORMAT:
err.message = fmt.Sprintf("%s shouldn't begin with \"-\"", FLAG_DESTINATION)
case MAIN_ERR_KIND_TARGET_IS_MARKDOWN_FILE_BUT_DESTINATION_IS_NOT:
err.message = fmt.Sprintf("%s is a markdown file but %s is not", FLAG_TARGET, FLAG_DESTINATION)
case MAIN_ERR_KIND_DESTINATION_IS_MARKDOWN_FILE_BUT_TARGET_IS_NOT:
err.message = fmt.Sprintf("%s is a markdown file but %s is not", FLAG_DESTINATION, FLAG_TARGET)
case MAIN_ERR_KIND_INVALID_FILTER_FORMAT:
err.message = fmt.Sprintf("%s has an invalid format", FLAG_FILTER)
case MAIN_ERR_KIND_INVALID_ANCHOR_FORMATTING_STYLE:
err.message = fmt.Sprintf("%s is invalid. must choose from %s", FLAG_FORMAT_ANCHOR, strings.Join(convert.ANCHOR_FORMATTING_STYLES, ", "))
// case MAIN_ERR_KIND_BASE_URL_NEEDS_LINK:
// err.message = fmt.Sprintf("%s set but not %s", FLAG_BASE_URL, FLAG_CONVERT_LINKS)
case MAIN_ERR_KIND_FORMAT_LINK_NEEDS_LINK:
err.message = fmt.Sprintf("%s set but not %s", FLAG_FORMAT_LINK, FLAG_CONVERT_LINKS)
case MAIN_ERR_KIND_REMAP_PATH_PREFIX_NEEDS_LINK:
err.message = fmt.Sprintf("%s set but not %s", FLAG_REMAP_PATH_PREFIX, FLAG_CONVERT_LINKS)
default:
err.kind = MAIN_ERR_UNEXPECTED
err.message = "unexpected error"
return err
}
err.kind = kind
return err
}
func newMainErrf(kind mainErrKind, format string, a ...interface{}) mainErr {
err := new(mainErrImpl)
err.kind = kind
err.message = fmt.Sprintf(format, a...)
return err
}
func initFlags(flagset *flag.FlagSet, config *configuration) {
flagset.StringVar(&config.src, FLAG_SOURCE, "", "source directory")
flagset.StringVar(&config.dst, FLAG_DESTINATION, "", "destination directory")
flagset.StringVar(&config.tgt, FLAG_TARGET, "", "the path that will be processed. It can be a file or a directory. The default value of tgt = the directory specified by src flag. This option will be used when you want to process only a subset of a vault but resolve refs by the entire vault.")
flagset.BoolVar(&config.rmtag, FLAG_REMOVE_TAGS, false, "remove tag")
flagset.BoolVar(&config.cptag, FLAG_COPY_TAGS, false, "copy tag to tags field of front matter")
flagset.BoolVar(&config.synctag, FLAG_SYNC_TAGS, false, "remove all tags in front matter and then copy tags from text")
flagset.BoolVar(&config.title, FLAG_COPY_TITLE, false, "copy h1 content to title field of front matter")
flagset.BoolVar(&config.alias, FLAG_COPY_ALIASES, false, "copy add h1 content to aliases field of front matter")
flagset.BoolVar(&config.synctlal, FLAG_SYNC_TITLE_ALIASES, false, "remove an alias appearing also in title field and then copy h1 content to title and aliases fields")
flagset.BoolVar(&config.link, FLAG_CONVERT_LINKS, false, "convert obsidian internal and external links to external links in the usual format")
flagset.BoolVar(&config.cmmt, FLAG_REMOVE_COMMENT, false, "remove obsidian comment")
flagset.BoolVar(&config.publishable, FLAG_PUBLISHABLE, false, "process only files with publish: true or draft: false. For files with publish: true, add draft: false.")
flagset.BoolVar(&config.rmH1, FLAG_REMOVE_H1, false, "remove H1")
flagset.BoolVar(&config.strictref, FLAG_STRICT_REF, false, fmt.Sprintf("return error when ref target is not found. available only when %s is on", FLAG_CONVERT_LINKS))
flagset.StringVar(&config.remapkey, FLAG_REMAP_META_KEYS, "", "remap keys in front matter. format: \"old1:new1,old2:new2\". If a new key is not specified (i.e., empty string), then the field will be removed.")
flagset.StringVar(&config.filter, FLAG_FILTER, "", "process only files with specified conditions. Example: -filter=\"(key1||!key2)&&key3\". Each field must be boolean and each key must match /[a-zA-Z-_]+/.")
// flagset.StringVar(&config.baseUrl, FLAG_BASE_URL, "", "prefix resolved internal links and format it. Example (-baseUrl=https://example.com/): sample -> https://example.com/sample")
flagset.StringVar(&config.remapPathPrefix, FLAG_REMAP_PATH_PREFIX, "", "remap prefixes in paths. Example (-remapPrefix=static/>images/|notes/>posts/): static/sample.png -> images/sample.png, notes/sample.md -> posts/sample.md")
flagset.BoolVar(&config.formatLink, FLAG_FORMAT_LINK, false, "trim suffix .md and complete link. Example: #section -> path/to/sample#section")
flagset.StringVar(&config.formatAnchor, FLAG_FORMAT_ANCHOR, convert.FORMAT_ANCHOR_HUGO, fmt.Sprintf("anchor formatting style. Available styles: %s", strings.Join(convert.ANCHOR_FORMATTING_STYLES, ", ")))
flagset.BoolVar(&config.obs, FLAG_OBSIDIAN_USAGE, false, "alias of -cptag -title -alias")
flagset.BoolVar(&config.std, FLAG_STANDARD_USAGE, false, "alias of -cptag -rmtag -title -alias -link -cmmt -strictref")
flagset.BoolVar(&config.ver, FLAG_VERSION, false, "display the version currently installed")
flagset.BoolVar(&config.debug, FLAG_DEBUG, false, "display error message for developers")
}
// const FORMAT_ANCHOR_HUGO = "hugo"
// const FORMAT_ANCHOR_MARKDOWN_IT = "markdownit"
// var ANCHOR_FORMATTING_STYLES = []string{FORMAT_ANCHOR_HUGO, FORMAT_ANCHOR_MARKDOWN_IT}
// 実行前に↓が必要
// 1. initFlags(flagset, flags)
// 2. flag の値の設定
// - flag.CommandLine => flag.Parse()
// - それ以外 => flagset.Set("フラグ名", "フラグの値を表す文字列")
func setConfig(flagset *flag.FlagSet, config *configuration) {
orgFlag := *config
setflags := make(map[string]struct{})
flagset.Visit(func(f *flag.Flag) {
setflags[f.Name] = struct{}{}
})
if config.obs || config.std {
config.cptag = true
config.title = true
config.alias = true
}
if config.std {
config.rmtag = true
config.link = true
config.cmmt = true
config.strictref = true
}
config.tgt = config.src
if _, ok := setflags[FLAG_COPY_TAGS]; ok {
config.cptag = orgFlag.cptag
}
if _, ok := setflags[FLAG_COPY_TITLE]; ok {
config.title = orgFlag.title
}
if _, ok := setflags[FLAG_COPY_ALIASES]; ok {
config.alias = orgFlag.alias
}
if _, ok := setflags[FLAG_REMOVE_TAGS]; ok {
config.rmtag = orgFlag.rmtag
}
if _, ok := setflags[FLAG_CONVERT_LINKS]; ok {
config.link = orgFlag.link
}
if _, ok := setflags[FLAG_REMOVE_COMMENT]; ok {
config.cmmt = orgFlag.cmmt
}
if _, ok := setflags[FLAG_PUBLISHABLE]; ok {
config.publishable = orgFlag.publishable
}
if _, ok := setflags[FLAG_STRICT_REF]; ok {
config.strictref = orgFlag.strictref
}
if _, ok := setflags[FLAG_TARGET]; ok {
config.tgt = orgFlag.tgt
}
}
func verifyConfig(config *configuration) error {
if config.src == "" {
return newMainErr(MAIN_ERR_KIND_SOURCE_NOT_SET)
}
if config.dst == "" {
return newMainErr(MAIN_ERR_KIND_DESTINATION_NOT_SET)
}
if strings.HasPrefix(config.src, "-") {
return newMainErr(MAIN_ERR_KIND_INVALID_SOURCE_FORMAT)
}
if strings.HasPrefix(config.dst, "-") {
return newMainErr(MAIN_ERR_KIND_INVALID_DESTINATION_FORMAT)
}
if config.strictref && !config.link {
return newMainErr(MAIN_ERR_KIND_STRICTREF_NEEDS_LINK)
}
// if config.baseUrl != "" && !config.link {
// return newMainErr(MAIN_ERR_KIND_BASE_URL_NEEDS_LINK)
// }
var validAnchorFormattingStyle bool
for _, style := range convert.ANCHOR_FORMATTING_STYLES {
if config.formatAnchor == style {
validAnchorFormattingStyle = true
break
}
}
if !validAnchorFormattingStyle {
return newMainErr(MAIN_ERR_KIND_INVALID_ANCHOR_FORMATTING_STYLE)
}
if config.remapPathPrefix != "" && !config.link {
return newMainErr(MAIN_ERR_KIND_INVALID_REMAP_FORMAT)
}
if config.formatLink && !config.link {
return newMainErr(MAIN_ERR_KIND_FORMAT_LINK_NEEDS_LINK)
}
// check roughly if tgt and dst are the same type (regular file or directory)
if filepath.Ext(config.tgt) == ".md" && filepath.Ext(config.dst) != ".md" {
return newMainErrf(MAIN_ERR_KIND_TARGET_IS_MARKDOWN_FILE_BUT_DESTINATION_IS_NOT, "%s is a markdown file but %s is not", config.tgt, config.dst)
}
if filepath.Ext(config.tgt) != ".md" && filepath.Ext(config.dst) == ".md" {
return newMainErrf(MAIN_ERR_KIND_DESTINATION_IS_MARKDOWN_FILE_BUT_TARGET_IS_NOT, "%s is a markdown file but %s is not", config.dst, config.tgt)
}
return nil
}