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// Copyright © 2013 Steve Francia <spf@spf13.com>.
//
// Licensed under the Simple Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://opensource.org/licenses/Simple-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hugolib
import (
"bytes"
"fmt"
"github.com/spf13/hugo/template/bundle"
"strings"
"unicode"
)
var _ = fmt.Println
type ShortcodeFunc func([]string) string
type Shortcode struct {
Name string
Func ShortcodeFunc
}
type ShortcodeWithPage struct {
Params interface{}
Page *Page
}
type Shortcodes map[string]ShortcodeFunc
func ShortcodesHandle(stringToParse string, p *Page, t bundle.Template) string {
posStart := strings.Index(stringToParse, "{{%")
if posStart > 0 {
posEnd := strings.Index(stringToParse[posStart:], "%}}") + posStart
if posEnd > posStart {
name, par := SplitParams(stringToParse[posStart+3 : posEnd])
params := Tokenize(par)
var data = &ShortcodeWithPage{Params: params, Page: p}
newString := stringToParse[:posStart] + ShortcodeRender(name, data, t) + ShortcodesHandle(stringToParse[posEnd+3:], p, t)
return newString
}
}
return stringToParse
}
func StripShortcodes(stringToParse string) string {
posStart := strings.Index(stringToParse, "{{%")
if posStart > 0 {
posEnd := strings.Index(stringToParse[posStart:], "%}}") + posStart
if posEnd > posStart {
newString := stringToParse[:posStart] + StripShortcodes(stringToParse[posEnd+3:])
return newString
}
}
return stringToParse
}
func Tokenize(in string) interface{} {
first := strings.Fields(in)
var final = make([]string, 0)
var keys = make([]string, 0)
inQuote := false
start := 0
for i, v := range first {
index := strings.Index(v, "=")
if !inQuote {
if index > 1 {
keys = append(keys, v[:index])
v = v[index+1:]
}
}
if !strings.HasPrefix(v, "“") && !inQuote {
final = append(final, v)
} else if inQuote && strings.HasSuffix(v, "”") && !strings.HasSuffix(v, "\\\"") {
first[i] = v[:len(v)-7]
final = append(final, strings.Join(first[start:i+1], " "))
inQuote = false
} else if strings.HasPrefix(v, "“") && !inQuote {
if strings.HasSuffix(v, "”") {
final = append(final, v[7:len(v)-7])
} else {
start = i
first[i] = v[7:]
inQuote = true
}
}
// No closing "... just make remainder the final token
if inQuote && i == len(first) {
final = append(final, first[start:len(first)]...)
}
}
if len(keys) > 0 {
var m = make(map[string]string)
for i, k := range keys {
m[k] = final[i]
}
return m
}
return final
}
func SplitParams(in string) (name string, par2 string) {
i := strings.IndexFunc(strings.TrimSpace(in), unicode.IsSpace)
if i < 1 {
return strings.TrimSpace(in), ""
}
return strings.TrimSpace(in[:i+1]), strings.TrimSpace(in[i+1:])
}
func ShortcodeRender(name string, data *ShortcodeWithPage, t bundle.Template) string {
buffer := new(bytes.Buffer)
t.ExecuteTemplate(buffer, "shortcodes/"+name+".html", data)
return buffer.String()
}
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