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Move svg html render to modules/svg (#21716) 

Also added more checks for the render function.

Co-authored-by: silverwind <me@silverwind.io>
pull/21621/head
Lunny Xiao 2022-11-08 23:13:58 +07:00 committed by GitHub
parent 91c7a3e66f
commit 2ebab42934
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 77 additions and 49 deletions
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34
modules/html/html.go
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@ -0,0 +1,34 @@
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package html
// ParseSizeAndClass get size and class from string with default values
// If present, "others" expects the new size first and then the classes to use
func ParseSizeAndClass(defaultSize int, defaultClass string, others ...interface{}) (int, string) {
if len(others) == 0 {
return defaultSize, defaultClass
}
size := defaultSize
_size, ok := others[0].(int)
if ok && _size != 0 {
size = _size
}
if len(others) == 1 {
return size, defaultClass
}
class := defaultClass
if _class, ok := others[1].(string); ok && _class != "" {
if defaultClass == "" {
class = _class
} else {
class = defaultClass + " " + _class
}
}
return size, class
}

37
modules/svg/svg.go
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@ -4,10 +4,43 @@
package svg
// SVGs contains discovered SVGs
var SVGs map[string]string
import (
"fmt"
"html/template"
"regexp"
"strings"
"code.gitea.io/gitea/modules/html"
)
var (
// SVGs contains discovered SVGs
SVGs map[string]string
widthRe = regexp.MustCompile(`width="[0-9]+?"`)
heightRe = regexp.MustCompile(`height="[0-9]+?"`)
)
const defaultSize = 16
// Init discovers SVGs and populates the `SVGs` variable
func Init() {
SVGs = Discover()
}
// Render render icons - arguments icon name (string), size (int), class (string)
func RenderHTML(icon string, others ...interface{}) template.HTML {
size, class := html.ParseSizeAndClass(defaultSize, "", others...)
if svgStr, ok := SVGs[icon]; ok {
if size != defaultSize {
svgStr = widthRe.ReplaceAllString(svgStr, fmt.Sprintf(`width="%d"`, size))
svgStr = heightRe.ReplaceAllString(svgStr, fmt.Sprintf(`height="%d"`, size))
}
if class != "" {
svgStr = strings.Replace(svgStr, `class="`, fmt.Sprintf(`class="%s `, class), 1)
}
return template.HTML(svgStr)
}
return template.HTML("")
}

55
modules/templates/helper.go
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@ -35,6 +35,7 @@ import (
"code.gitea.io/gitea/modules/emoji"
"code.gitea.io/gitea/modules/git"
giturl "code.gitea.io/gitea/modules/git/url"
gitea_html "code.gitea.io/gitea/modules/html"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
@ -348,7 +349,7 @@ func NewFuncMap() []template.FuncMap {
}
return false
},
"svg": SVG,
"svg": svg.RenderHTML,
"avatar": Avatar,
"avatarHTML": AvatarHTML,
"avatarByAction": AvatarByAction,
@ -363,17 +364,17 @@ func NewFuncMap() []template.FuncMap {
if len(urlSort) == 0 && isDefault {
// if sort is sorted as default add arrow tho this table header
if isDefault {
return SVG("octicon-triangle-down", 16)
return svg.RenderHTML("octicon-triangle-down", 16)
}
} else {
// if sort arg is in url test if it correlates with column header sort arguments
// the direction of the arrow should indicate the "current sort order", up means ASC(normal), down means DESC(rev)
if urlSort == normSort {
// the table is sorted with this header normal
return SVG("octicon-triangle-up", 16)
return svg.RenderHTML("octicon-triangle-up", 16)
} else if urlSort == revSort {
// the table is sorted with this header reverse
return SVG("octicon-triangle-down", 16)
return svg.RenderHTML("octicon-triangle-down", 16)
}
}
// the table is NOT sorted with this header
@ -594,29 +595,6 @@ func NewTextFuncMap() []texttmpl.FuncMap {
}}
}
var (
widthRe = regexp.MustCompile(`width="[0-9]+?"`)
heightRe = regexp.MustCompile(`height="[0-9]+?"`)
)
func parseOthers(defaultSize int, defaultClass string, others ...interface{}) (int, string) {
size := defaultSize
if len(others) > 0 && others[0].(int) != 0 {
size = others[0].(int)
}
class := defaultClass
if len(others) > 1 && others[1].(string) != "" {
if defaultClass == "" {
class = others[1].(string)
} else {
class = defaultClass + " " + others[1].(string)
}
}
return size, class
}
// AvatarHTML creates the HTML for an avatar
func AvatarHTML(src string, size int, class, name string) template.HTML {
sizeStr := fmt.Sprintf(`%d`, size)
@ -628,26 +606,9 @@ func AvatarHTML(src string, size int, class, name string) template.HTML {
return template.HTML(`<img class="` + class + `" src="` + src + `" title="` + html.EscapeString(name) + `" width="` + sizeStr + `" height="` + sizeStr + `"/>`)
}
// SVG render icons - arguments icon name (string), size (int), class (string)
func SVG(icon string, others ...interface{}) template.HTML {
size, class := parseOthers(16, "", others...)
if svgStr, ok := svg.SVGs[icon]; ok {
if size != 16 {
svgStr = widthRe.ReplaceAllString(svgStr, fmt.Sprintf(`width="%d"`, size))
svgStr = heightRe.ReplaceAllString(svgStr, fmt.Sprintf(`height="%d"`, size))
}
if class != "" {
svgStr = strings.Replace(svgStr, `class="`, fmt.Sprintf(`class="%s `, class), 1)
}
return template.HTML(svgStr)
}
return template.HTML("")
}
// Avatar renders user avatars. args: user, size (int), class (string)
func Avatar(item interface{}, others ...interface{}) template.HTML {
size, class := parseOthers(avatars.DefaultAvatarPixelSize, "ui avatar vm", others...)
size, class := gitea_html.ParseSizeAndClass(avatars.DefaultAvatarPixelSize, "ui avatar vm", others...)
switch t := item.(type) {
case *user_model.User:
@ -678,7 +639,7 @@ func AvatarByAction(action *activities_model.Action, others ...interface{}) temp
// RepoAvatar renders repo avatars. args: repo, size(int), class (string)
func RepoAvatar(repo *repo_model.Repository, others ...interface{}) template.HTML {
size, class := parseOthers(avatars.DefaultAvatarPixelSize, "ui avatar", others...)
size, class := gitea_html.ParseSizeAndClass(avatars.DefaultAvatarPixelSize, "ui avatar", others...)
src := repo.RelAvatarLink()
if src != "" {
@ -689,7 +650,7 @@ func RepoAvatar(repo *repo_model.Repository, others ...interface{}) template.HTM
// AvatarByEmail renders avatars by email address. args: email, name, size (int), class (string)
func AvatarByEmail(email, name string, others ...interface{}) template.HTML {
size, class := parseOthers(avatars.DefaultAvatarPixelSize, "ui avatar", others...)
size, class := gitea_html.ParseSizeAndClass(avatars.DefaultAvatarPixelSize, "ui avatar", others...)
src := avatars.GenerateEmailAvatarFastLink(email, size*setting.Avatar.RenderedSizeFactor)
if src != "" {