mirror of
https://github.com/facundoolano/jorge.git
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Add site struct and layout support
Squashed commit of the following: commit 0ee8a385f111be807b4485b42316df6698d962f9 Author: facundoolano <facundo.olano@gmail.com> Date: Mon Feb 12 14:12:22 2024 -0300 load layouts commit 1c2594bb8aa6d6d9fbafcb530fdcdbdec2c146e7 Author: facundoolano <facundo.olano@gmail.com> Date: Mon Feb 12 13:17:28 2024 -0300 add Site struct, explore some refactors commit 3d8acb3957f5ba38a6e48d2614b9af65f1219298 Author: facundoolano <facundo.olano@gmail.com> Date: Mon Feb 12 11:33:19 2024 -0300 prepare new phases structure for build command commit fe7dcf9fb08c7b3e5679cf08c80beecc2eeb36e5 Author: facundoolano <facundo.olano@gmail.com> Date: Mon Feb 12 10:57:52 2024 -0300 set template type commit d9faa70c8d2d23c9b62904e7429a82437517b9c5 Author: facundoolano <facundo.olano@gmail.com> Date: Mon Feb 12 10:49:30 2024 -0300 add Type to template commit 27e0feede10f6c1340ce722085011a5eebcaee13 Author: facundoolano <facundo.olano@gmail.com> Date: Sun Feb 11 19:01:16 2024 -0300 stub build and render extensions commit e25518de3440cb3df2aa5674523128eff1d23404 Author: facundoolano <facundo.olano@gmail.com> Date: Sun Feb 11 17:37:30 2024 -0300 pass pre-parsed layouts by arg instead commit b3c2c9ebeb0d07d425f6db6a1bbbb5ee61c04548 Author: facundoolano <facundo.olano@gmail.com> Date: Sun Feb 11 15:13:17 2024 -0300 first stab at recursively populating layouts commit 4fe112694a3c44056f7aa5bd2be0794abcf4aa2a Author: facundoolano <facundo.olano@gmail.com> Date: Sun Feb 11 14:33:07 2024 -0300 initial support for page bindings
This commit is contained in:
parent
b7d8d12df7
commit
e97af58830
4 changed files with 273 additions and 66 deletions
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@ -1,17 +1,20 @@
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package commands
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import (
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"errors"
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"fmt"
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"github.com/facundoolano/blorg/templates"
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"io"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"github.com/facundoolano/blorg/templates"
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)
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const SRC_DIR = "src"
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const TARGET_DIR = "target"
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const LAYOUT_DIR = "layouts"
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const FILE_RW_MODE = 0777
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func Init() error {
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// get working directory
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// default to .
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@ -24,45 +27,109 @@ func Init() error {
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// Read the files in src/ render them and copy the result to target/
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// FIXME pass src and target by arg
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func Build() error {
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const FILE_MODE = 0777
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// fail if no src dir
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_, err := os.ReadDir("src")
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_, err := os.ReadDir(SRC_DIR)
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if os.IsNotExist(err) {
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return errors.New("missing src/ directory")
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return fmt.Errorf("missing %s directory", SRC_DIR)
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} else if err != nil {
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return errors.New("couldn't read src")
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return fmt.Errorf("couldn't read %s", SRC_DIR)
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}
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// clear previous target contents
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os.RemoveAll("target")
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os.Mkdir("target", FILE_MODE)
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site := Site{
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layouts: make(map[string]templates.Template),
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}
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// render each source file and copy it over to target
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err = filepath.WalkDir("src", func(path string, entry fs.DirEntry, err error) error {
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subpath, _ := filepath.Rel("src", path)
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targetPath := filepath.Join("target", subpath)
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// FIXME these sound like they should be site methods too
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PHASES := []func(*Site) error{
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loadConfig,
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loadLayouts,
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loadTemplates,
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writeTarget,
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}
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for _, phaseFun := range PHASES {
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if err := phaseFun(&site); err != nil {
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return err
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}
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}
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if entry.IsDir() {
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os.MkdirAll(targetPath, FILE_MODE)
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} else {
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template, err := templates.Parse(path)
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return err
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}
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func loadConfig(site *Site) error {
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// context["config"]
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return nil
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}
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func loadLayouts(site *Site) error {
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files, err := os.ReadDir(LAYOUT_DIR)
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if os.IsNotExist(err) {
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return nil
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} else if err != nil {
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return err
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}
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for _, entry := range files {
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if !entry.IsDir() {
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filename := entry.Name()
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path := filepath.Join(LAYOUT_DIR, filename)
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templ, err := templates.Parse(path)
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if err != nil {
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return err
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}
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if template != nil {
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// if a template was found at source, render it
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targetPath = strings.TrimSuffix(targetPath, filepath.Ext(targetPath)) + template.Ext()
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layout_name := strings.TrimSuffix(filename, filepath.Ext(filename))
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site.layouts[layout_name] = *templ
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}
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}
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content, err := template.Render()
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return nil
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}
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func loadTemplates(site *Site) error {
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return filepath.WalkDir(SRC_DIR, func(path string, entry fs.DirEntry, err error) error {
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if !entry.IsDir() {
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templ, err := templates.Parse(path)
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if err != nil {
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return err
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}
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switch templ.Type {
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case templates.POST:
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site.posts = append(site.posts, *templ)
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case templates.PAGE:
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site.pages = append(site.pages, *templ)
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}
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// TODO add tags
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}
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return nil
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})
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}
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func writeTarget(site *Site) error {
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// clear previous target contents
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os.RemoveAll(TARGET_DIR)
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os.Mkdir(TARGET_DIR, FILE_RW_MODE)
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// walk the source directory, creating directories and files at the target dir
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templIndex := site.templateIndex()
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return filepath.WalkDir(SRC_DIR, func(path string, entry fs.DirEntry, err error) error {
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subpath, _ := filepath.Rel(SRC_DIR, path)
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targetPath := filepath.Join(TARGET_DIR, subpath)
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if entry.IsDir() {
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os.MkdirAll(targetPath, FILE_RW_MODE)
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} else {
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if templ, ok := templIndex[path]; ok {
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// if a template was found at source, render it
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content, err := site.render(templ)
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if err != nil {
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return err
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}
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// write the file contents over to target at the same location
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targetPath = strings.TrimSuffix(targetPath, filepath.Ext(targetPath)) + templ.Ext()
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fmt.Println("writing ", targetPath)
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return os.WriteFile(targetPath, content, FILE_MODE)
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return os.WriteFile(targetPath, []byte(content), FILE_RW_MODE)
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} else {
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// if a non template was found, copy file as is
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fmt.Println("writing ", targetPath)
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@ -72,8 +139,6 @@ func Build() error {
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return nil
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})
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return err
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}
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func copyFile(source string, target string) error {
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64
commands/site.go
Normal file
64
commands/site.go
Normal file
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@ -0,0 +1,64 @@
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package commands
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import (
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"fmt"
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"github.com/facundoolano/blorg/templates"
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)
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// TODO review build and other commands and think what can be brought over here.
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// e.g. SRC and TARGET dir knowledge
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type Site struct {
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config map[string]string // may need to make this interface{} if config gets sophisticated
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layouts map[string]templates.Template
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posts []templates.Template
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pages []templates.Template
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tags map[string]*templates.Template
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renderCache map[string]string
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}
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func (site Site) render(templ *templates.Template) (string, error) {
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ctx := site.contextFor(templ)
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content, err := templ.Render(ctx)
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if err != nil {
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return "", err
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}
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// recursively render parent layouts
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layout := templ.Metadata["layout"]
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for layout != nil && err == nil {
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if layout_templ, ok := site.layouts[layout.(string)]; ok {
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ctx["content"] = content
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content, err = layout_templ.Render(ctx)
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layout = layout_templ.Metadata["layout"]
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} else {
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return "", fmt.Errorf("layout '%s' not found", layout)
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}
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}
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return content, err
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}
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func (site Site) templateIndex() map[string]*templates.Template {
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templIndex := make(map[string]*templates.Template)
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for _, templ := range append(site.posts, site.pages...) {
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templIndex[templ.SrcPath] = &templ
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}
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return templIndex
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}
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func (site Site) contextFor(templ *templates.Template) map[string]interface{} {
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bindings := map[string]interface{}{
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"config": site.config,
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"posts": site.posts,
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"tags": site.tags,
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}
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if templ.Type == templates.LAYOUT {
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bindings["layout"] = templ.Metadata
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} else {
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// assuming that if it's not a layout then it must be a page
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bindings["page"] = templ.Metadata
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}
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return bindings
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}
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@ -3,7 +3,6 @@ package templates
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import (
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"bufio"
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"bytes"
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"errors"
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"fmt"
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"os"
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const FM_SEPARATOR = "---"
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type Type string
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const (
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// a file that doesn't have a front matter header, and thus is not renderable.
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STATIC Type = "static"
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// Templates in the root /layouts/ can be used to wrap around other template's content
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// by setting the `layout` front matter field.
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LAYOUT Type = "layout"
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// A template that has a date, and thus can be ordered chronologically in a directory.
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// They can thus be arranged in archives, feeds, etc.
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// Posts are also assumed to have a title and can be excerpted.
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POST Type = "post"
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// The rest of the templates: no layout and no post
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PAGE Type = "page"
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)
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type Template struct {
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srcPath string
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Type Type
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SrcPath string
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Metadata map[string]interface{}
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}
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// TODO think about knowledge boundaries
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// should this know to tell if its a layout based on srcPath conventions?
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// should it be able to detect its own type? does it still make sense to track a template type,
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// separate from the site?
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func Parse(path string) (*Template, error) {
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file, err := os.Open(path)
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if err != nil {
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// if the file doesn't start with a front matter delimiter, it's not a template
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if strings.TrimSpace(line) != FM_SEPARATOR {
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return nil, nil
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return &Template{Type: STATIC}, nil
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}
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// read and parse the yaml from the front matter
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}
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}
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return &Template{srcPath: path, Metadata: metadata}, nil
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templ := Template{SrcPath: path, Metadata: metadata}
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// FIXME this also should check that it's in the root folder
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if strings.HasSuffix(filepath.Dir(templ.SrcPath), "layouts") {
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templ.Type = LAYOUT
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} else if _, ok := metadata["date"]; ok {
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templ.Type = POST
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} else {
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templ.Type = PAGE
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}
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return &templ, nil
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}
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func (templ Template) Ext() string {
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ext := filepath.Ext(templ.srcPath)
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ext := filepath.Ext(templ.SrcPath)
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if ext == ".org" {
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ext = ".html"
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}
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return ext
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}
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func (templ Template) Render() ([]byte, error) {
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file, _ := os.Open(templ.srcPath)
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func (templ Template) Render(context map[string]interface{}) (string, error) {
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file, _ := os.Open(templ.SrcPath)
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defer file.Close()
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scanner := bufio.NewScanner(file)
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}
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// now read the proper template contents to memory
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var contents []byte
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contents := ""
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for scanner.Scan() {
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contents = append(contents, scanner.Text()+"\n"...)
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contents += scanner.Text() + "\n"
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}
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if strings.HasSuffix(templ.srcPath, ".org") {
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if strings.HasSuffix(templ.SrcPath, ".org") {
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// if it's an org file, convert to html
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doc := org.New().Parse(bytes.NewReader(contents), templ.srcPath)
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html, err := doc.Write(org.NewHTMLWriter())
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contents = []byte(html)
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if err != nil {
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return nil, err
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doc := org.New().Parse(strings.NewReader(contents), templ.SrcPath)
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return doc.Write(org.NewHTMLWriter())
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}
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} else {
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// for other file types, assume a liquid template
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engine := liquid.NewEngine()
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out, err := engine.ParseAndRenderString(string(contents), templ.Metadata)
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if err != nil {
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return nil, err
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}
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contents = []byte(out)
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}
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// TODO: if layout in metadata, pass the result to the rendered parent
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return contents, nil
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return engine.ParseAndRenderString(contents, context)
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}
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@ -2,6 +2,7 @@ package templates
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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@ -21,13 +22,14 @@ tags: ["software", "web"]
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templ, err := Parse(file.Name())
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assertEqual(t, err, nil)
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assertEqual(t, templ.Type, PAGE)
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assertEqual(t, templ.Ext(), ".html")
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assertEqual(t, templ.Metadata["title"], "my new post")
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assertEqual(t, templ.Metadata["subtitle"], "a blog post")
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assertEqual(t, templ.Metadata["tags"].([]interface{})[0], "software")
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assertEqual(t, templ.Metadata["tags"].([]interface{})[1], "web")
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content, err := templ.Render()
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content, err := templ.Render(nil)
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assertEqual(t, err, nil)
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assertEqual(t, string(content), "<p>Hello World!</p>\n")
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}
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@ -45,7 +47,7 @@ subtitle: a blog post
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templ, err := Parse(file.Name())
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assertEqual(t, err, nil)
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assertEqual(t, templ, (*Template)(nil))
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assertEqual(t, templ.Type, STATIC)
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// not first thing in file, leaving as is
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input = `#+OPTIONS: toc:nil num:nil
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@ -61,7 +63,7 @@ tags: ["software", "web"]
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templ, err = Parse(file.Name())
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assertEqual(t, err, nil)
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assertEqual(t, templ, (*Template)(nil))
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assertEqual(t, templ.Type, STATIC)
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}
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func TestInvalidFrontMatter(t *testing.T) {
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@ -94,9 +96,9 @@ title: my new post
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subtitle: a blog post
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tags: ["software", "web"]
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---
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<h1>{{ title }}</h1>
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<h2>{{ subtitle }}</h2>
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<ul>{% for tag in tags %}
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<h1>{{ page.title }}</h1>
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<h2>{{ page.subtitle }}</h2>
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<ul>{% for tag in page.tags %}
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<li>{{tag}}</li>{% endfor %}
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</ul>
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`
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@ -106,7 +108,8 @@ tags: ["software", "web"]
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templ, err := Parse(file.Name())
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assertEqual(t, err, nil)
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content, err := templ.Render()
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ctx := map[string]interface{}{"page": templ.Metadata}
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content, err := templ.Render(ctx)
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assertEqual(t, err, nil)
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expected := `<h1>my new post</h1>
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<h2>a blog post</h2>
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@ -138,7 +141,7 @@ tags: ["software", "web"]
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assertEqual(t, err, nil)
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assertEqual(t, templ.Ext(), ".html")
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content, err := templ.Render()
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content, err := templ.Render(nil)
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assertEqual(t, err, nil)
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expected := `<div id="outline-container-headline-1" class="outline-2">
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<h2 id="headline-1">
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@ -163,7 +166,55 @@ my Subtitle
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}
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func TestRenderLiquidLayout(t *testing.T) {
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// TODO
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input := `---
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title: base layout
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---
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<!DOCTYPE html>
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<html>
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<body>
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<p>this is the {{layout.title}} that wraps the content of {{ page.title}}</p>
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{{ content }}
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</body>
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</html>
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`
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base := newFile("layouts/base*.html", input)
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defer os.Remove(base.Name())
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baseTempl, err := Parse(base.Name())
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assertEqual(t, err, nil)
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assertEqual(t, baseTempl.Type, LAYOUT)
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context := map[string]interface{}{
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"layouts": map[string]Template{
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"base": *baseTempl,
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},
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}
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|
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input = `---
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title: my very first post
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layout: base
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date: 2023-12-01
|
||||
---
|
||||
<h1>{{page.title}}</h1>`
|
||||
|
||||
post := newFile("src/post1*.html", input)
|
||||
defer os.Remove(post.Name())
|
||||
|
||||
templ, err := Parse(post.Name())
|
||||
assertEqual(t, err, nil)
|
||||
assertEqual(t, templ.Type, POST)
|
||||
content, err := templ.Render(context)
|
||||
assertEqual(t, err, nil)
|
||||
expected := `<!DOCTYPE html>
|
||||
<html>
|
||||
<body>
|
||||
<p>this is the base layout that wraps the content of my very first post</p>
|
||||
<h1>my very first post</h1>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
`
|
||||
assertEqual(t, string(content), expected)
|
||||
}
|
||||
|
||||
func TestRenderOrgLayout(t *testing.T) {
|
||||
|
@ -176,8 +227,14 @@ func TestRenderLayoutLayout(t *testing.T) {
|
|||
|
||||
// ------ HELPERS --------
|
||||
|
||||
func newFile(name string, contents string) *os.File {
|
||||
file, _ := os.CreateTemp("", name)
|
||||
func newFile(path string, contents string) *os.File {
|
||||
parts := strings.Split(path, string(filepath.Separator))
|
||||
name := parts[len(parts)-1]
|
||||
path = filepath.Join(parts[:len(parts)-1]...)
|
||||
path = filepath.Join(os.TempDir(), path)
|
||||
os.MkdirAll(path, 0777)
|
||||
|
||||
file, _ := os.CreateTemp(path, name)
|
||||
file.WriteString(contents)
|
||||
return file
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue