From 6aec3291409e3dce80eba8fa9bcab41ceaf826a1 Mon Sep 17 00:00:00 2001
From: Dave Henderson <dhenderson@gmail.com>
Date: Fri, 29 Dec 2017 22:22:53 +0100
Subject: Refactoring template processing

Signed-off-by: Dave Henderson <dhenderson@gmail.com>
---
 gomplate.go | 61 ++++++++++++++-----------------------------------------------
 1 file changed, 14 insertions(+), 47 deletions(-)

(limited to 'gomplate.go')

diff --git a/gomplate.go b/gomplate.go
index 6bb3243a..76b06260 100644
--- a/gomplate.go
+++ b/gomplate.go
@@ -2,16 +2,11 @@ package main
 
 import (
 	"io"
-	"path/filepath"
 	"text/template"
 
 	"github.com/hairyhenderson/gomplate/data"
 )
 
-func (g *Gomplate) createTemplate(name string) *template.Template {
-	return template.New(name).Funcs(g.funcMap).Option("missingkey=error")
-}
-
 // Gomplate -
 type Gomplate struct {
 	funcMap    template.FuncMap
@@ -20,13 +15,19 @@ type Gomplate struct {
 }
 
 // RunTemplate -
-func (g *Gomplate) RunTemplate(in *input, out io.Writer) error {
+func (g *Gomplate) RunTemplate(t *tplate) error {
 	context := &Context{}
-	tmpl, err := g.createTemplate(in.name).Delims(g.leftDelim, g.rightDelim).Parse(in.contents)
+	tmpl, err := t.toGoTemplate(g)
 	if err != nil {
 		return err
 	}
-	err = tmpl.Execute(out, context)
+
+	switch t.target.(type) {
+	case io.Closer:
+		// nolint: errcheck
+		defer t.target.(io.Closer).Close()
+	}
+	err = tmpl.Execute(t.target, context)
 	return err
 }
 
@@ -39,12 +40,6 @@ func NewGomplate(d *data.Data, leftDelim, rightDelim string) *Gomplate {
 	}
 }
 
-// input - models an input file...
-type input struct {
-	name     string
-	contents string
-}
-
 func runTemplate(o *GomplateOpts) error {
 	defer runCleanupHooks()
 	d := data.NewData(o.dataSources, o.dataSourceHeaders)
@@ -52,42 +47,14 @@ func runTemplate(o *GomplateOpts) error {
 
 	g := NewGomplate(d, o.lDelim, o.rDelim)
 
-	excludeList, err := executeCombinedGlob(o.excludeGlob)
+	tmpl, err := gatherTemplates(o)
 	if err != nil {
 		return err
 	}
-
-	if o.inputDir != "" {
-		return processInputDir(o.inputDir, o.outputDir, excludeList, g)
-	}
-
-	return processInputFiles(o.input, o.inputFiles, o.outputFiles, excludeList, g)
-}
-
-// Called from process.go ...
-func renderTemplate(g *Gomplate, in *input, outPath string) error {
-	outFile, err := openOutFile(outPath)
-	if err != nil {
-		return err
-	}
-	// nolint: errcheck
-	defer outFile.Close()
-	err = g.RunTemplate(in, outFile)
-	return err
-}
-
-// takes an array of glob strings and executes it as a whole,
-// returning a merged list of globbed files
-func executeCombinedGlob(globArray []string) ([]string, error) {
-	var combinedExcludes []string
-	for _, glob := range globArray {
-		excludeList, err := filepath.Glob(glob)
-		if err != nil {
-			return nil, err
+	for _, t := range tmpl {
+		if err := g.RunTemplate(t); err != nil {
+			return err
 		}
-
-		combinedExcludes = append(combinedExcludes, excludeList...)
 	}
-
-	return combinedExcludes, nil
+	return nil
 }
-- 
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