// Reads directory contents from the given path and returns file names.
func (ts *Templates) readDir(path string) (names []string, err error) {
var f fauxfile.File
if f, err = ts.fs.Open(path); err != nil {
return
}
defer f.Close()
names, err = f.Readdirnames(-1)
return
}
// Reads directory contents from the given path and returns file names.
func (gw *GhostWriter) readDir(path string) (names []string, err error) {
var f fauxfile.File
if f, err = gw.fs.Open(path); err != nil {
return
}
defer f.Close()
names, err = f.Readdirnames(-1)
return
}
func WriteFile(fs fauxfile.Filesystem, p string, data string) error {
var (
f fauxfile.File
err error
)
fs.MkdirAll(path.Dir(p), 0755)
if f, err = fs.Create(p); err != nil {
return err
}
defer f.Close()
if _, err = f.Write([]byte(data)); err != nil {
return err
}
return nil
}
// Deserializes the yaml file at the given path to the supplied object.
func (gw *GhostWriter) unyaml(path string, out interface{}) (err error) {
var (
file fauxfile.File
info os.FileInfo
data []byte
)
if file, err = gw.fs.Open(path); err != nil {
return
}
defer file.Close()
if info, err = file.Stat(); err != nil {
return
}
data = make([]byte, info.Size())
if _, err = file.Read(data); err != nil {
return
}
err = yaml.Unmarshal(data, out)
return
}
// Renders all of the posts in the site.
func (gw *GhostWriter) renderTags() (err error) {
var (
posts Posts
tag string
dst string
tagpath string
writer *bufio.Writer
fdst fauxfile.File
str string
)
if gw.tagsTemplate == "" {
return
}
for tag, posts = range gw.site.Tags {
tagpath = gw.site.TagPath(tag)
dst = path.Join(gw.args.dst, tagpath, "index.html")
gw.fs.MkdirAll(path.Dir(dst), 0755)
if fdst, err = gw.fs.Create(dst); err != nil {
return
}
defer fdst.Close()
writer = bufio.NewWriter(fdst)
sort.Sort(ByDateDesc{posts})
data := map[string]interface{}{
"Tag": tag,
"Posts": posts,
"Site": gw.site,
}
if str, err = gw.rootTemplate.RenderText(gw.tagsTemplate, data); err != nil {
return
}
writer.Write([]byte(str))
writer.Flush()
if err != nil {
return
}
fdst.Close()
}
return
}
func ReadFile(fs fauxfile.Filesystem, path string) (data string, err error) {
var (
f fauxfile.File
fi os.FileInfo
)
if f, err = fs.Open(path); err != nil {
return
}
defer f.Close()
if fi, err = f.Stat(); err != nil {
return
}
buf := make([]byte, fi.Size())
if _, err = f.Read(buf); err != nil {
if err != io.EOF {
return
}
err = nil
}
data = string(buf)
return
}
// Reads a file from the given path and returns a string of the contents.
func (ts *Templates) readFile(path string) (out string, err error) {
var (
f fauxfile.File
fi os.FileInfo
buf []byte
)
if f, err = ts.fs.Open(path); err != nil {
return
}
defer f.Close()
if fi, err = f.Stat(); err != nil {
return
}
buf = make([]byte, fi.Size())
if _, err = f.Read(buf); err != nil {
if err != io.EOF {
return
}
err = nil
}
out = string(buf)
return
}
// Copies the file at path src to path dst.
// Returns the number of bytes written or an error if it occurred.
func (gw *GhostWriter) copyFile(src string, dst string) (n int64, err error) {
var (
fdst fauxfile.File
fsrc fauxfile.File
fi os.FileInfo
)
if fsrc, err = gw.fs.Open(src); err != nil {
return
}
defer func() {
if err := fsrc.Close(); err != nil {
gw.log.Printf("Problem closing %v: %v\n", src, err)
} else {
gw.log.Printf("Closed %v\n", src)
}
}()
if fdst, err = gw.fs.Create(dst); err != nil {
return
}
defer func() {
if err := fdst.Close(); err != nil {
gw.log.Printf("Problem closing %v: %v\n", dst, err)
} else {
gw.log.Printf("Closed %v\n", dst)
}
}()
if fi, err = fsrc.Stat(); err != nil {
return
}
fdst.Chmod(fi.Mode())
_, err = io.Copy(fdst, fsrc)
return
}
// Renders the initalized Post object into an HTML file in the destination.
func (gw *GhostWriter) renderPost(post *Post) (err error) {
var (
fdst fauxfile.File
src string
dst string
postpath string
postbody string
body *bytes.Buffer
writer *bufio.Writer
tmpl *template.Template
names []string
fmap *template.FuncMap
index int
str string
)
if postpath, err = post.Path(); err != nil {
return
}
src = filepath.Join(post.SrcDir, "body.md")
dst = path.Join(gw.args.dst, postpath, "index.html")
if postbody, err = gw.readFile(src); err != nil {
// A missing body is not an error, just assume a blank entry.
postbody = ""
err = nil
}
gw.fs.MkdirAll(path.Dir(dst), 0755)
if fdst, err = gw.fs.Create(dst); err != nil {
return
}
defer fdst.Close()
if names, err = gw.readDir(post.SrcDir); err != nil {
return
}
for _, name := range names {
switch filepath.Ext(name) {
case ".md":
case ".yaml":
default:
// Copy other files into destination-they're content.
s := filepath.Join(post.SrcDir, name)
d := filepath.Join(gw.args.dst, postpath, name)
gw.copyFile(s, d)
}
}
fmap = gw.getFuncMap()
(*fmap)["link"] = func(i string) string {
var (
locali string
link string
ok bool
)
locali = fmt.Sprintf("%v/%v", post.Id, i)
if link, ok = gw.links[locali]; ok {
return link
}
return gw.links[i]
}
(*fmap)["include"] = func(i string) (contents string) {
var (
includeErr error
fixedPath string
)
fixedPath = filepath.Join(post.SrcDir, i)
if contents, includeErr = gw.readFile(fixedPath); includeErr != nil {
contents = fmt.Sprintf("[[ERROR: Could not read %v]]", fixedPath)
}
return
}
// Render post body against links map.
tmpl, err = template.New("body").Funcs(*fmap).Parse(postbody)
if err != nil {
return
}
body = new(bytes.Buffer)
if err = tmpl.Execute(body, nil); err != nil {
return
}
// Render markdown
post.Body = string(blackfriday.MarkdownCommon(body.Bytes()))
// Check for snippet
if index = strings.Index(post.Body, "<!--BREAK-->"); index != -1 {
post.Snippet = post.Body[0:index]
}
// Render post into site template.
writer = bufio.NewWriter(fdst)
data := map[string]interface{}{
"Post": post,
"Site": gw.site,
}
if str, err = gw.rootTemplate.RenderText(gw.postTemplate, data); err != nil {
return
}
writer.Write([]byte(str))
writer.Flush()
return
}