Version 3.0.0-beta cleaned

2025-12-20 03:17:04 +00:00 · 2016-05-30 17:08:09 +03:00
commit c26668a489
114 changed files with 14552 additions and 0 deletions
--- a/render/template/engine/markdown/markdown.go
+++ b/render/template/engine/markdown/markdown.go
@@ -0,0 +1,151 @@
+package markdown
+
+import (
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"fmt"
+
+	"github.com/kataras/iris/config"
+	"github.com/microcosm-cc/bluemonday"
+	"github.com/russross/blackfriday"
+)
+
+// Supports RAW markdown only, no context binding or layout, to use dynamic markdown with other template engine use the context.Markdown/MarkdownString
+type (
+	Engine struct {
+		Config        *config.Template
+		templateCache map[string][]byte
+		mu            sync.Mutex
+	}
+)
+
+// New creates and returns a Pongo template engine
+func New(c config.Template) *Engine {
+	return &Engine{Config: &c, templateCache: make(map[string][]byte)}
+}
+
+func (e *Engine) BuildTemplates() error {
+	if e.Config.Asset == nil || e.Config.AssetNames == nil {
+		return e.buildFromDir()
+	}
+	return e.buildFromAsset()
+
+}
+
+func (e *Engine) buildFromDir() (templateErr error) {
+	if e.Config.Directory == "" {
+		return nil //we don't return fill error here(yet)
+	}
+	dir := e.Config.Directory
+
+	// Walk the supplied directory and compile any files that match our extension list.
+	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+
+		if info == nil || info.IsDir() {
+			return nil
+		}
+
+		rel, err := filepath.Rel(dir, path)
+		if err != nil {
+			return err
+		}
+
+		ext := ""
+		if strings.Index(rel, ".") != -1 {
+			ext = filepath.Ext(rel)
+		}
+
+		for _, extension := range e.Config.Extensions {
+			if ext == extension {
+				buf, err := ioutil.ReadFile(path)
+				if err != nil {
+					templateErr = err
+					break
+				}
+
+				buf = blackfriday.MarkdownCommon(buf)
+				if e.Config.Markdown.Sanitize {
+					buf = bluemonday.UGCPolicy().SanitizeBytes(buf)
+				}
+
+				if err != nil {
+					templateErr = err
+					break
+				}
+				name := filepath.ToSlash(rel)
+				e.templateCache[name] = buf
+				break
+			}
+		}
+		return nil
+	})
+
+	return nil
+}
+
+func (e *Engine) buildFromAsset() error {
+	var templateErr error
+	dir := e.Config.Directory
+	for _, path := range e.Config.AssetNames() {
+		if !strings.HasPrefix(path, dir) {
+			continue
+		}
+
+		rel, err := filepath.Rel(dir, path)
+		if err != nil {
+			panic(err)
+		}
+
+		ext := ""
+		if strings.Index(rel, ".") != -1 {
+			ext = "." + strings.Join(strings.Split(rel, ".")[1:], ".")
+		}
+
+		for _, extension := range e.Config.Extensions {
+			if ext == extension {
+
+				buf, err := e.Config.Asset(path)
+				if err != nil {
+					templateErr = err
+					break
+				}
+				b := blackfriday.MarkdownCommon(buf)
+				if e.Config.Markdown.Sanitize {
+					b = bluemonday.UGCPolicy().SanitizeBytes(b)
+				}
+				name := filepath.ToSlash(rel)
+				e.templateCache[name] = b
+				break
+			}
+		}
+	}
+	return templateErr
+}
+
+func (e *Engine) fromCache(relativeName string) []byte {
+	e.mu.Lock()
+
+	tmpl, ok := e.templateCache[relativeName]
+
+	if ok {
+		e.mu.Unlock() // defer is slow
+		return tmpl
+	}
+	e.mu.Unlock() // defer is slow
+	return nil
+}
+
+// layout here is unnesecery
+func (e *Engine) ExecuteWriter(out io.Writer, name string, binding interface{}, layout string) error {
+	if tmpl := e.fromCache(name); tmpl != nil {
+		_, err := out.Write(tmpl)
+		return err
+	}
+
+	return fmt.Errorf("[IRIS TEMPLATES] Template with name %s doesn't exists in the dir %s", name, e.Config.Directory)
+}