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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package html
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import (
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	"strings"
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)
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func adjustAttributeNames(aa []Attribute, nameMap map[string]string) {
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	for i := range aa {
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		if newName, ok := nameMap[aa[i].Key]; ok {
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			aa[i].Key = newName
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		}
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	}
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}
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func adjustForeignAttributes(aa []Attribute) {
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	for i, a := range aa {
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		if a.Key == "" || a.Key[0] != 'x' {
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			continue
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		}
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		switch a.Key {
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		case "xlink:actuate", "xlink:arcrole", "xlink:href", "xlink:role", "xlink:show",
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			"xlink:title", "xlink:type", "xml:base", "xml:lang", "xml:space", "xmlns:xlink":
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			j := strings.Index(a.Key, ":")
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			aa[i].Namespace = a.Key[:j]
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			aa[i].Key = a.Key[j+1:]
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		}
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	}
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}
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func htmlIntegrationPoint(n *Node) bool {
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	if n.Type != ElementNode {
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		return false
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	}
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	switch n.Namespace {
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	case "math":
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		if n.Data == "annotation-xml" {
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			for _, a := range n.Attr {
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				if a.Key == "encoding" {
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					if strings.EqualFold(a.Val, "text/html") || strings.EqualFold(a.Val, "application/xhtml+xml") {
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						return true
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					}
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				}
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			}
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		}
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	case "svg":
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		switch n.Data {
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		case "desc", "foreignObject", "title":
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			return true
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		}
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	}
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	return false
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}
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func mathMLTextIntegrationPoint(n *Node) bool {
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	if n.Namespace != "math" {
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		return false
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	}
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	switch n.Data {
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	case "mi", "mo", "mn", "ms", "mtext":
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		return true
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	}
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	return false
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}
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// Section 12.2.6.5.
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var breakout = map[string]bool{
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	"b":          true,
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	"big":        true,
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	"blockquote": true,
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	"body":       true,
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	"br":         true,
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	"center":     true,
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	"code":       true,
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	"dd":         true,
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	"div":        true,
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	"dl":         true,
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	"dt":         true,
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	"em":         true,
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	"embed":      true,
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	"h1":         true,
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	"h2":         true,
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	"h3":         true,
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	"h4":         true,
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	"h5":         true,
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	"h6":         true,
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	"head":       true,
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	"hr":         true,
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	"i":          true,
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	"img":        true,
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	"li":         true,
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	"listing":    true,
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	"menu":       true,
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	"meta":       true,
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	"nobr":       true,
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	"ol":         true,
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	"p":          true,
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	"pre":        true,
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	"ruby":       true,
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	"s":          true,
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	"small":      true,
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	"span":       true,
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	"strong":     true,
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	"strike":     true,
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	"sub":        true,
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	"sup":        true,
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	"table":      true,
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	"tt":         true,
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	"u":          true,
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	"ul":         true,
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	"var":        true,
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}
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// Section 12.2.6.5.
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var svgTagNameAdjustments = map[string]string{
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	"altglyph":            "altGlyph",
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	"altglyphdef":         "altGlyphDef",
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	"altglyphitem":        "altGlyphItem",
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	"animatecolor":        "animateColor",
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	"animatemotion":       "animateMotion",
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	"animatetransform":    "animateTransform",
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	"clippath":            "clipPath",
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	"feblend":             "feBlend",
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	"fecolormatrix":       "feColorMatrix",
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	"fecomponenttransfer": "feComponentTransfer",
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	"fecomposite":         "feComposite",
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	"feconvolvematrix":    "feConvolveMatrix",
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	"fediffuselighting":   "feDiffuseLighting",
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	"fedisplacementmap":   "feDisplacementMap",
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	"fedistantlight":      "feDistantLight",
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	"feflood":             "feFlood",
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	"fefunca":             "feFuncA",
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	"fefuncb":             "feFuncB",
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	"fefuncg":             "feFuncG",
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	"fefuncr":             "feFuncR",
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	"fegaussianblur":      "feGaussianBlur",
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	"feimage":             "feImage",
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	"femerge":             "feMerge",
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	"femergenode":         "feMergeNode",
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	"femorphology":        "feMorphology",
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	"feoffset":            "feOffset",
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	"fepointlight":        "fePointLight",
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	"fespecularlighting":  "feSpecularLighting",
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	"fespotlight":         "feSpotLight",
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	"fetile":              "feTile",
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	"feturbulence":        "feTurbulence",
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	"foreignobject":       "foreignObject",
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	"glyphref":            "glyphRef",
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	"lineargradient":      "linearGradient",
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	"radialgradient":      "radialGradient",
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	"textpath":            "textPath",
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}
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// Section 12.2.6.1
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var mathMLAttributeAdjustments = map[string]string{
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	"definitionurl": "definitionURL",
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}
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var svgAttributeAdjustments = map[string]string{
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	"attributename":       "attributeName",
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	"attributetype":       "attributeType",
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	"basefrequency":       "baseFrequency",
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	"baseprofile":         "baseProfile",
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	"calcmode":            "calcMode",
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	"clippathunits":       "clipPathUnits",
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	"diffuseconstant":     "diffuseConstant",
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	"edgemode":            "edgeMode",
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	"filterunits":         "filterUnits",
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	"glyphref":            "glyphRef",
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	"gradienttransform":   "gradientTransform",
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	"gradientunits":       "gradientUnits",
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	"kernelmatrix":        "kernelMatrix",
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	"kernelunitlength":    "kernelUnitLength",
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	"keypoints":           "keyPoints",
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	"keysplines":          "keySplines",
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	"keytimes":            "keyTimes",
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	"lengthadjust":        "lengthAdjust",
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	"limitingconeangle":   "limitingConeAngle",
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	"markerheight":        "markerHeight",
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	"markerunits":         "markerUnits",
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	"markerwidth":         "markerWidth",
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	"maskcontentunits":    "maskContentUnits",
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	"maskunits":           "maskUnits",
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	"numoctaves":          "numOctaves",
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	"pathlength":          "pathLength",
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	"patterncontentunits": "patternContentUnits",
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	"patterntransform":    "patternTransform",
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	"patternunits":        "patternUnits",
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	"pointsatx":           "pointsAtX",
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	"pointsaty":           "pointsAtY",
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	"pointsatz":           "pointsAtZ",
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	"preservealpha":       "preserveAlpha",
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	"preserveaspectratio": "preserveAspectRatio",
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	"primitiveunits":      "primitiveUnits",
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	"refx":                "refX",
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	"refy":                "refY",
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	"repeatcount":         "repeatCount",
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	"repeatdur":           "repeatDur",
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	"requiredextensions":  "requiredExtensions",
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	"requiredfeatures":    "requiredFeatures",
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	"specularconstant":    "specularConstant",
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	"specularexponent":    "specularExponent",
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	"spreadmethod":        "spreadMethod",
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	"startoffset":         "startOffset",
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	"stddeviation":        "stdDeviation",
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	"stitchtiles":         "stitchTiles",
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	"surfacescale":        "surfaceScale",
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	"systemlanguage":      "systemLanguage",
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	"tablevalues":         "tableValues",
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	"targetx":             "targetX",
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	"targety":             "targetY",
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	"textlength":          "textLength",
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	"viewbox":             "viewBox",
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	"viewtarget":          "viewTarget",
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	"xchannelselector":    "xChannelSelector",
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	"ychannelselector":    "yChannelSelector",
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	"zoomandpan":          "zoomAndPan",
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}
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