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65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
// Copyright 2017 Baliance. All rights reserved.
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//
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// Use of this source code is governed by the terms of the Affero GNU General
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// Public License version 3.0 as published by the Free Software Foundation and
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// appearing in the file LICENSE included in the packaging of this file. A
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// commercial license can be purchased by contacting sales@baliance.com.
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package common
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import (
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"log"
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"strings"
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"baliance.com/gooxml/schema/schemas.openxmlformats.org/package/2006/content_types"
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)
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// ContentTypes is the top level "[Content_Types].xml" in a zip package.
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type ContentTypes struct {
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x *content_types.Types
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}
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// NewContentTypes returns a wrapper around a newly constructed content-types.
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func NewContentTypes() ContentTypes {
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ct := ContentTypes{x: content_types.NewTypes()}
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// add content type defaults
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ct.AddDefault("xml", "application/xml")
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ct.AddDefault("rels", "application/vnd.openxmlformats-package.relationships+xml")
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ct.AddDefault("png", "image/png")
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ct.AddDefault("jpeg", "image/jpeg")
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ct.AddDefault("jpg", "image/jpg")
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ct.AddDefault("wmf", "image/x-wmf")
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ct.AddOverride("/docProps/core.xml", "application/vnd.openxmlformats-package.core-properties+xml")
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ct.AddOverride("/docProps/app.xml", "application/vnd.openxmlformats-officedocument.extended-properties+xml")
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return ct
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}
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// X returns the inner raw content types.
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func (c ContentTypes) X() *content_types.Types {
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return c.x
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}
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// AddDefault registers a default content type for a given file extension.
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func (c ContentTypes) AddDefault(fileExtension string, contentType string) {
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def := content_types.NewDefault()
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def.ExtensionAttr = fileExtension
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def.ContentTypeAttr = contentType
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c.x.Default = append(c.x.Default, def)
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}
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// AddOverride adds an override content type for a given path name.
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func (c ContentTypes) AddOverride(path, contentType string) {
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if !strings.HasPrefix(path, "/") {
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path = "/" + path
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}
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if strings.HasPrefix(contentType, "http") {
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log.Printf("content type '%s' is incorrect, must not start with http", contentType)
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}
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or := content_types.NewOverride()
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or.PartNameAttr = path
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or.ContentTypeAttr = contentType
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c.x.Override = append(c.x.Override, or)
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}
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