mirror of
https://github.com/danog/gojekyll.git
synced 2024-11-30 06:59:04 +01:00
Introduce a VariableMap type
This commit is contained in:
Oliver Steele
parent
3e68659b3a
commit
089417f1db
@ -10,23 +10,23 @@ import (
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type Collection struct {
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Site *Site
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Name string
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Data map[interface{}]interface{}
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Data VariableMap
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Output bool
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Pages []*Page
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}
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func makeCollection(s *Site, name string, d map[interface{}]interface{}) *Collection {
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func makeCollection(s *Site, name string, d VariableMap) *Collection {
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return &Collection{
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Site: s,
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Name: name,
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Data: d,
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Output: getBool(d, "output", false),
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Output: d.Bool("output", false),
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}
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}
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// PageArrayVariableValue returns an array of a page data, for use as the template variable
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// value of the collection.
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func (c *Collection) PageArrayVariableValue() (d []interface{}) {
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func (c *Collection) PageArrayVariableValue() (d []VariableMap) {
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for _, p := range c.Pages {
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d = append(d, p.PageVariables())
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}
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@ -34,28 +34,27 @@ func (c *Collection) PageArrayVariableValue() (d []interface{}) {
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}
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// Posts returns true if the collection is the special "posts" collection.
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func (c *Collection) Posts() bool {
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func (c *Collection) IsPosts() bool {
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return c.Name == "posts"
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}
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// SourceDir returns the source directory for pages in the collection.
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func (c *Collection) SourceDir() string {
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// Source returns the source directory for pages in the collection.
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func (c *Collection) Source() string {
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return filepath.Join(c.Site.Source, "_"+c.Name)
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}
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// ReadPages scans the file system for collection pages, and adds them to c.Pages.
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func (c *Collection) ReadPages() error {
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basePath := c.Site.Source
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d := map[interface{}]interface{}{
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defaults := mergeVariableMaps(c.Data, VariableMap{
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"collection": c.Name,
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}
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d = mergeMaps(c.Data, d)
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})
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walkFn := func(path string, info os.FileInfo, err error) error {
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if err != nil {
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// if the issue is simply that the directory doesn't exist, ignore the error
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// if the issue is simply that the directory doesn't exist, warn instead of error
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if os.IsNotExist(err) {
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if !c.Posts() {
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if !c.IsPosts() {
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fmt.Println("Missing directory for collection", c.Name)
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}
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return nil
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@ -69,7 +68,7 @@ func (c *Collection) ReadPages() error {
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case info.IsDir():
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return nil
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}
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p, err := ReadPage(rel, d)
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p, err := ReadPage(rel, defaults)
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switch {
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case err != nil:
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return err
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@ -81,5 +80,5 @@ func (c *Collection) ReadPages() error {
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}
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return nil
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}
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return filepath.Walk(c.SourceDir(), walkFn)
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return filepath.Walk(c.Source(), walkFn)
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}
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14
helpers.go
14
helpers.go
@ -28,7 +28,7 @@ func copyFile(dst, src string, perm os.FileMode) error {
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return outf.Close()
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}
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func getBool(m map[interface{}]interface{}, k string, defaultValue bool) bool {
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func (m VariableMap) Bool(k string, defaultValue bool) bool {
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if val, found := m[k]; found {
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if v, ok := val.(bool); ok {
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return v
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@ -37,7 +37,7 @@ func getBool(m map[interface{}]interface{}, k string, defaultValue bool) bool {
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return defaultValue
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}
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func getString(m map[interface{}]interface{}, k string, defaultValue string) string {
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func (m VariableMap) String(k string, defaultValue string) string {
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if val, found := m[k]; found {
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if v, ok := val.(string); ok {
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return v
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@ -58,8 +58,8 @@ func LeftPad(s string, n int) string {
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return string(ws) + s
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}
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func mergeMaps(a map[interface{}]interface{}, b map[interface{}]interface{}) map[interface{}]interface{} {
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result := map[interface{}]interface{}{}
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func mergeVariableMaps(a VariableMap, b VariableMap) VariableMap {
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result := VariableMap{}
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for k, v := range a {
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result[k] = v
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}
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@ -69,10 +69,10 @@ func mergeMaps(a map[interface{}]interface{}, b map[interface{}]interface{}) map
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return result
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}
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// stringMap returns a string-indexed map with the same values as its argument.
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// makeVariableMap returns a string-indexed map with the same values as its argument.
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// Non-strings keys are converted to strings.
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func stringMap(m map[interface{}]interface{}) map[string]interface{} {
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result := map[string]interface{}{}
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func makeVariableMap(m map[interface{}]interface{}) VariableMap {
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result := VariableMap{}
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for k, v := range m {
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stringer, ok := k.(fmt.Stringer)
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if ok {
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@ -13,37 +13,37 @@ func TestLeftPad(t *testing.T) {
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}
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func TestGetXXX(t *testing.T) {
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d := map[interface{}]interface{}{
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d := VariableMap{
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"t": true,
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"f": false,
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"s": "ss",
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}
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assert.Equal(t, true, getBool(d, "t", true))
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assert.Equal(t, true, getBool(d, "t", false))
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assert.Equal(t, false, getBool(d, "f", true))
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assert.Equal(t, false, getBool(d, "f", true))
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assert.Equal(t, true, getBool(d, "-", true))
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assert.Equal(t, false, getBool(d, "-", false))
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assert.Equal(t, true, getBool(d, "s", true))
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assert.Equal(t, false, getBool(d, "s", false))
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assert.Equal(t, true, d.Bool("t", true))
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assert.Equal(t, true, d.Bool("t", false))
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assert.Equal(t, false, d.Bool("f", true))
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assert.Equal(t, false, d.Bool("f", true))
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assert.Equal(t, true, d.Bool("-", true))
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assert.Equal(t, false, d.Bool("-", false))
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assert.Equal(t, true, d.Bool("s", true))
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assert.Equal(t, false, d.Bool("s", false))
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assert.Equal(t, "ss", getString(d, "s", "-"))
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assert.Equal(t, "--", getString(d, "-", "--"))
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assert.Equal(t, "--", getString(d, "t", "--"))
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assert.Equal(t, "ss", d.String("s", "-"))
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assert.Equal(t, "--", d.String("-", "--"))
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assert.Equal(t, "--", d.String("t", "--"))
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}
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func TestMergeMaps(t *testing.T) {
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m1 := map[interface{}]interface{}{"a": 1, "b": 2}
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m2 := map[interface{}]interface{}{"b": 3, "c": 4}
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expected := map[interface{}]interface{}{"a": 1, "b": 3, "c": 4}
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actual := mergeMaps(m1, m2)
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func TestMakeVariableMap(t *testing.T) {
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input := map[interface{}]interface{}{"a": 1, 10: 2, false: 3}
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expected := VariableMap{"a": 1, "10": 2, "false": 3}
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actual := makeVariableMap(input)
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assert.Equal(t, expected, actual)
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}
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func TestStringMap(t *testing.T) {
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input := map[interface{}]interface{}{"a": 1, 10: 2, false: 3}
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expected := map[string]interface{}{"a": 1, "10": 2, "false": 3}
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actual := stringMap(input)
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func TestMergeVariableMaps(t *testing.T) {
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m1 := VariableMap{"a": 1, "b": 2}
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m2 := VariableMap{"b": 3, "c": 4}
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expected := VariableMap{"a": 1, "b": 3, "c": 4}
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actual := mergeVariableMaps(m1, m2)
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assert.Equal(t, expected, actual)
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}
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4
main.go
4
main.go
@ -160,9 +160,9 @@ func dataCommand(c *cli.Context) error {
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// Neuter it. This destroys it as Liquid data, but that's okay in this context.
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data := site.Variables
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for _, c := range site.Collections {
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data[c.Name] = fmt.Sprintf("<elided page data for %d items>", len(data[c.Name].([]interface{})))
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data[c.Name] = fmt.Sprintf("<elided page data for %d items>", len(data[c.Name].([]VariableMap)))
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}
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b, _ := yaml.Marshal(stringMap(page.Data()))
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b, _ := yaml.Marshal(page.Data())
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fmt.Println(string(b))
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return nil
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}
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36
page.go
36
page.go
@ -22,6 +22,8 @@ var (
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nonAlphanumericSequenceMatcher = regexp.MustCompile(`[^[:alnum:]]+`)
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)
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type VariableMap map[string]interface{}
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var permalinkStyles = map[string]string{
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"date": "/:categories/:year/:month/:day/:title.html",
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"pretty": "/:categories/:year/:month/:day/:title/",
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@ -35,7 +37,7 @@ type Page struct {
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Permalink string
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Static bool
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Published bool
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FrontMatter map[interface{}]interface{}
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FrontMatter VariableMap
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Content []byte
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}
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@ -45,11 +47,11 @@ func (p *Page) String() string {
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}
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// PageVariables returns metadata for use in the representation of the page as a collection item
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func (p *Page) PageVariables() map[interface{}]interface{} {
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func (p *Page) PageVariables() VariableMap {
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if p.Static {
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return mergeMaps(p.FrontMatter, p.staticFileData())
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return mergeVariableMaps(p.FrontMatter, p.staticFileData())
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}
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data := map[interface{}]interface{}{
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data := VariableMap{
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"url": p.Permalink,
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"path": p.Source(),
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// TODO content title excerpt date id categories tags next previous
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@ -68,14 +70,14 @@ func (p *Page) PageVariables() map[interface{}]interface{} {
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return data
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}
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func (p *Page) staticFileData() map[interface{}]interface{} {
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func (p *Page) staticFileData() VariableMap {
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var (
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path = "/" + p.Path
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base = filepath.Base(path)
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ext = filepath.Ext(path)
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)
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return map[interface{}]interface{}{
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return VariableMap{
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"path": path,
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"modified_time": 0, // TODO
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"name": base,
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@ -85,17 +87,17 @@ func (p *Page) staticFileData() map[interface{}]interface{} {
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}
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// Data returns the variable context for Liquid evaluation
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func (p *Page) Data() map[interface{}]interface{} {
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return map[interface{}]interface{}{
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func (p *Page) Data() VariableMap {
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return VariableMap{
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"page": p.PageVariables(),
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"site": site.Variables,
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}
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}
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// ReadPage reads a Page from a file, using defaults as the default front matter.
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func ReadPage(path string, defaults map[interface{}]interface{}) (p *Page, err error) {
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func ReadPage(path string, defaults VariableMap) (p *Page, err error) {
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var (
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frontMatter map[interface{}]interface{}
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frontMatter VariableMap
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static = true
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body []byte
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)
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@ -112,14 +114,14 @@ func ReadPage(path string, defaults map[interface{}]interface{}) (p *Page, err e
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body = append(
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regexp.MustCompile(`[^\n\r]+`).ReplaceAllLiteral(source[:match[1]], []byte{}),
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source[match[1]:]...)
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frontMatter = map[interface{}]interface{}{}
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frontMatter = VariableMap{}
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err = yaml.Unmarshal(source[match[2]:match[3]], &frontMatter)
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if err != nil {
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err := &os.PathError{Op: "read frontmatter", Path: path, Err: err}
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return nil, err
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}
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frontMatter = mergeMaps(defaults, frontMatter)
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frontMatter = mergeVariableMaps(defaults, frontMatter)
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} else {
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frontMatter = defaults
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body = []byte{}
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@ -145,7 +147,7 @@ func ReadPage(path string, defaults map[interface{}]interface{}) (p *Page, err e
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Path: path,
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Permalink: permalink,
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Static: static,
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Published: getBool(data, "published", true),
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Published: data.Bool("published", true),
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FrontMatter: data,
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Content: body,
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}
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@ -182,7 +184,7 @@ func (p *Page) Render(w io.Writer) error {
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return err
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}
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writer := new(bytes.Buffer)
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template.Render(writer, stringMap(p.Data()))
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template.Render(writer, p.Data())
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body := writer.Bytes()
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if isMarkdown(p.Path) {
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@ -198,7 +200,7 @@ func isMarkdown(path string) bool {
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return site.MarkdownExtensions()[strings.TrimLeft(ext, ".")]
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}
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func permalinkTemplateVariables(path string, data map[interface{}]interface{}) map[string]string {
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func permalinkTemplateVariables(path string, data VariableMap) map[string]string {
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var (
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collectionName string
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localPath = path
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@ -206,7 +208,7 @@ func permalinkTemplateVariables(path string, data map[interface{}]interface{}) m
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root = path[:len(path)-len(ext)]
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outputExt = ext
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name = filepath.Base(root)
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title = getString(data, "title", name)
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title = data.String("title", name)
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)
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if isMarkdown(path) {
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@ -235,7 +237,7 @@ func permalinkTemplateVariables(path string, data map[interface{}]interface{}) m
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}
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}
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func expandPermalinkPattern(pattern string, path string, data map[interface{}]interface{}) (s string, err error) {
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func expandPermalinkPattern(pattern string, path string, data VariableMap) (s string, err error) {
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if p, found := permalinkStyles[pattern]; found {
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pattern = p
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}
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@ -8,7 +8,7 @@ import (
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func TestExpandPermalinkPattern(t *testing.T) {
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var (
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d = map[interface{}]interface{}{}
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d = VariableMap{}
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path = "/a/b/c.d"
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mdPath = "/a/b/c.md"
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)
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16
site.go
16
site.go
@ -16,7 +16,7 @@ type Site struct {
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Dest string
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Collections []*Collection
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Variables map[interface{}]interface{}
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Variables VariableMap
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Paths map[string]*Page // URL path -> *Page
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config SiteConfig
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@ -31,7 +31,7 @@ type SiteConfig struct {
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// Where things are:
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Source string
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Destination string
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Collections map[string]interface{}
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Collections map[string]VariableMap
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// Handling Reading
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Include []string
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@ -102,14 +102,14 @@ func (s *Site) ReadConfiguration(source, dest string) error {
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}
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func (s *Site) readConfigBytes(bytes []byte) error {
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configVariables := map[interface{}]interface{}{}
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configVariables := VariableMap{}
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if err := yaml.Unmarshal(bytes, &s.config); err != nil {
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return err
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}
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if err := yaml.Unmarshal(bytes, &configVariables); err != nil {
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return err
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}
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s.Variables = mergeMaps(s.Variables, configVariables)
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s.Variables = mergeVariableMaps(s.Variables, configVariables)
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return nil
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}
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@ -158,7 +158,7 @@ func (s *Site) Exclude(path string) bool {
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// ReadFiles scans the source directory and creates pages and collections.
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func (s *Site) ReadFiles() error {
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s.Paths = make(map[string]*Page)
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defaults := map[interface{}]interface{}{}
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defaults := VariableMap{}
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walkFn := func(path string, info os.FileInfo, err error) error {
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if err != nil {
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@ -199,11 +199,7 @@ func (s *Site) ReadFiles() error {
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// pages to the site map, and creates a template site variable for each collection.
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func (s *Site) readCollections() error {
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for name, d := range s.config.Collections {
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data, ok := d.(map[interface{}]interface{})
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if !ok {
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panic("expected collection value to be a map")
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}
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c := makeCollection(s, name, data)
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c := makeCollection(s, name, d)
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s.Collections = append(s.Collections, c)
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if c.Output { // TODO always read the pages; just don't build them / include them in routes
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if err := c.ReadPages(); err != nil {
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