312 lines
8.0 KiB
Go
312 lines
8.0 KiB
Go
package xmlx
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import "fmt"
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import "utf8"
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import "regexp"
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import "strconv"
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var reg_entity = regexp.MustCompile("^&#[0-9]+;$")
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// Converts a single numerical html entity to a regular Go utf-token.
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// ex: "♣" -> "♣"
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func HtmlToUTF8(entity string) string {
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// Make sure we have a valid entity: {
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ok := reg_entity.MatchString(entity)
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if !ok {
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return ""
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}
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// Convert entity to number
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num, err := strconv.Atoi(entity[2 : len(entity)-1])
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if err != nil {
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return ""
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}
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var arr [3]byte
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size := utf8.EncodeRune(num, &arr)
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if size == 0 {
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return ""
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}
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return string(&arr)
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}
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// Converts a single Go utf-token to it's an Html entity.
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// ex: "♣" -> "♣"
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func UTF8ToHtml(token string) string {
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rune, size := utf8.DecodeRuneInString(token)
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if size == 0 {
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return ""
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}
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return fmt.Sprintf("&#%d;", rune)
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}
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/*
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http://www.w3.org/TR/html4/sgml/entities.html
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Portions © International Organization for Standardization 1986
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Permission to copy in any form is granted for use with
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conforming SGML systems and applications as defined in
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ISO 8879, provided this notice is included in all copies.
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Fills the supplied map with html entities mapped to their Go utf8
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equivalents. This map can be assigned to xml.Parser.Entity
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It will be used to map non-standard xml entities to a proper value.
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If the parser encounters any unknown entities, it will throw a syntax
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error and abort the parsing. Hence the ability to supply this map.
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*/
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func loadNonStandardEntities(em *map[string]string) {
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(*em)["pi"] = "\u03c0"
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(*em)["nabla"] = "\u2207"
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(*em)["isin"] = "\u2208"
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(*em)["loz"] = "\u25ca"
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(*em)["prop"] = "\u221d"
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(*em)["para"] = "\u00b6"
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(*em)["Aring"] = "\u00c5"
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(*em)["euro"] = "\u20ac"
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(*em)["sup3"] = "\u00b3"
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(*em)["sup2"] = "\u00b2"
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(*em)["sup1"] = "\u00b9"
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(*em)["prod"] = "\u220f"
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(*em)["gamma"] = "\u03b3"
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(*em)["perp"] = "\u22a5"
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(*em)["lfloor"] = "\u230a"
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(*em)["fnof"] = "\u0192"
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(*em)["frasl"] = "\u2044"
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(*em)["rlm"] = "\u200f"
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(*em)["omega"] = "\u03c9"
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(*em)["part"] = "\u2202"
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(*em)["euml"] = "\u00eb"
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(*em)["Kappa"] = "\u039a"
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(*em)["nbsp"] = "\u00a0"
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(*em)["Eacute"] = "\u00c9"
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(*em)["brvbar"] = "\u00a6"
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(*em)["otimes"] = "\u2297"
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(*em)["ndash"] = "\u2013"
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(*em)["thinsp"] = "\u2009"
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(*em)["nu"] = "\u03bd"
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(*em)["Upsilon"] = "\u03a5"
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(*em)["upsih"] = "\u03d2"
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(*em)["raquo"] = "\u00bb"
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(*em)["yacute"] = "\u00fd"
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(*em)["delta"] = "\u03b4"
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(*em)["eth"] = "\u00f0"
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(*em)["supe"] = "\u2287"
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(*em)["ne"] = "\u2260"
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(*em)["ni"] = "\u220b"
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(*em)["eta"] = "\u03b7"
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(*em)["uArr"] = "\u21d1"
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(*em)["image"] = "\u2111"
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(*em)["asymp"] = "\u2248"
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(*em)["oacute"] = "\u00f3"
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(*em)["rarr"] = "\u2192"
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(*em)["emsp"] = "\u2003"
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(*em)["acirc"] = "\u00e2"
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(*em)["shy"] = "\u00ad"
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(*em)["yuml"] = "\u00ff"
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(*em)["acute"] = "\u00b4"
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(*em)["int"] = "\u222b"
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(*em)["ccedil"] = "\u00e7"
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(*em)["Acirc"] = "\u00c2"
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(*em)["Ograve"] = "\u00d2"
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(*em)["times"] = "\u00d7"
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(*em)["weierp"] = "\u2118"
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(*em)["Tau"] = "\u03a4"
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(*em)["omicron"] = "\u03bf"
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(*em)["lt"] = "\u003c"
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(*em)["Mu"] = "\u039c"
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(*em)["Ucirc"] = "\u00db"
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(*em)["sub"] = "\u2282"
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(*em)["le"] = "\u2264"
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(*em)["sum"] = "\u2211"
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(*em)["sup"] = "\u2283"
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(*em)["lrm"] = "\u200e"
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(*em)["frac34"] = "\u00be"
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(*em)["Iota"] = "\u0399"
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(*em)["Ugrave"] = "\u00d9"
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(*em)["THORN"] = "\u00de"
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(*em)["rsaquo"] = "\u203a"
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(*em)["not"] = "\u00ac"
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(*em)["sigma"] = "\u03c3"
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(*em)["iuml"] = "\u00ef"
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(*em)["epsilon"] = "\u03b5"
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(*em)["spades"] = "\u2660"
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(*em)["theta"] = "\u03b8"
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(*em)["divide"] = "\u00f7"
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(*em)["Atilde"] = "\u00c3"
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(*em)["uacute"] = "\u00fa"
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(*em)["Rho"] = "\u03a1"
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(*em)["trade"] = "\u2122"
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(*em)["chi"] = "\u03c7"
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(*em)["agrave"] = "\u00e0"
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(*em)["or"] = "\u2228"
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(*em)["circ"] = "\u02c6"
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(*em)["middot"] = "\u00b7"
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(*em)["plusmn"] = "\u00b1"
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(*em)["aring"] = "\u00e5"
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(*em)["lsquo"] = "\u2018"
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(*em)["Yacute"] = "\u00dd"
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(*em)["oline"] = "\u203e"
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(*em)["copy"] = "\u00a9"
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(*em)["icirc"] = "\u00ee"
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(*em)["lowast"] = "\u2217"
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(*em)["Oacute"] = "\u00d3"
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(*em)["aacute"] = "\u00e1"
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(*em)["oplus"] = "\u2295"
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(*em)["crarr"] = "\u21b5"
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(*em)["thetasym"] = "\u03d1"
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(*em)["Beta"] = "\u0392"
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(*em)["laquo"] = "\u00ab"
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(*em)["rang"] = "\u232a"
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(*em)["tilde"] = "\u02dc"
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(*em)["Uuml"] = "\u00dc"
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(*em)["zwj"] = "\u200d"
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(*em)["mu"] = "\u03bc"
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(*em)["Ccedil"] = "\u00c7"
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(*em)["infin"] = "\u221e"
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(*em)["ouml"] = "\u00f6"
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(*em)["rfloor"] = "\u230b"
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(*em)["pound"] = "\u00a3"
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(*em)["szlig"] = "\u00df"
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(*em)["thorn"] = "\u00fe"
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(*em)["forall"] = "\u2200"
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(*em)["piv"] = "\u03d6"
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(*em)["rdquo"] = "\u201d"
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(*em)["frac12"] = "\u00bd"
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(*em)["frac14"] = "\u00bc"
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(*em)["Ocirc"] = "\u00d4"
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(*em)["Ecirc"] = "\u00ca"
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(*em)["kappa"] = "\u03ba"
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(*em)["Euml"] = "\u00cb"
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(*em)["minus"] = "\u2212"
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(*em)["cong"] = "\u2245"
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(*em)["hellip"] = "\u2026"
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(*em)["equiv"] = "\u2261"
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(*em)["cent"] = "\u00a2"
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(*em)["Uacute"] = "\u00da"
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(*em)["darr"] = "\u2193"
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(*em)["Eta"] = "\u0397"
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(*em)["sbquo"] = "\u201a"
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(*em)["rArr"] = "\u21d2"
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(*em)["igrave"] = "\u00ec"
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(*em)["uml"] = "\u00a8"
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(*em)["lambda"] = "\u03bb"
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(*em)["oelig"] = "\u0153"
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(*em)["harr"] = "\u2194"
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(*em)["ang"] = "\u2220"
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(*em)["clubs"] = "\u2663"
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(*em)["and"] = "\u2227"
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(*em)["permil"] = "\u2030"
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(*em)["larr"] = "\u2190"
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(*em)["Yuml"] = "\u0178"
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(*em)["cup"] = "\u222a"
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(*em)["Xi"] = "\u039e"
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(*em)["Alpha"] = "\u0391"
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(*em)["phi"] = "\u03c6"
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(*em)["ucirc"] = "\u00fb"
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(*em)["oslash"] = "\u00f8"
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(*em)["rsquo"] = "\u2019"
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(*em)["AElig"] = "\u00c6"
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(*em)["mdash"] = "\u2014"
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(*em)["psi"] = "\u03c8"
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(*em)["eacute"] = "\u00e9"
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(*em)["otilde"] = "\u00f5"
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(*em)["yen"] = "\u00a5"
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(*em)["gt"] = "\u003e"
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(*em)["Iuml"] = "\u00cf"
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(*em)["Prime"] = "\u2033"
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(*em)["Chi"] = "\u03a7"
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(*em)["ge"] = "\u2265"
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(*em)["reg"] = "\u00ae"
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(*em)["hearts"] = "\u2665"
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(*em)["auml"] = "\u00e4"
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(*em)["Agrave"] = "\u00c0"
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(*em)["sect"] = "\u00a7"
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(*em)["sube"] = "\u2286"
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(*em)["sigmaf"] = "\u03c2"
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(*em)["Gamma"] = "\u0393"
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(*em)["amp"] = "\u0026"
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(*em)["ensp"] = "\u2002"
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(*em)["ETH"] = "\u00d0"
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(*em)["Igrave"] = "\u00cc"
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(*em)["Omega"] = "\u03a9"
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(*em)["Lambda"] = "\u039b"
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(*em)["Omicron"] = "\u039f"
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(*em)["there4"] = "\u2234"
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(*em)["ntilde"] = "\u00f1"
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(*em)["xi"] = "\u03be"
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(*em)["dagger"] = "\u2020"
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(*em)["egrave"] = "\u00e8"
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(*em)["Delta"] = "\u0394"
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(*em)["OElig"] = "\u0152"
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(*em)["diams"] = "\u2666"
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(*em)["ldquo"] = "\u201c"
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(*em)["radic"] = "\u221a"
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(*em)["Oslash"] = "\u00d8"
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(*em)["Ouml"] = "\u00d6"
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(*em)["lceil"] = "\u2308"
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(*em)["uarr"] = "\u2191"
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(*em)["atilde"] = "\u00e3"
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(*em)["iquest"] = "\u00bf"
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(*em)["lsaquo"] = "\u2039"
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(*em)["Epsilon"] = "\u0395"
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(*em)["iacute"] = "\u00ed"
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(*em)["cap"] = "\u2229"
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(*em)["deg"] = "\u00b0"
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(*em)["Otilde"] = "\u00d5"
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(*em)["zeta"] = "\u03b6"
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(*em)["ocirc"] = "\u00f4"
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(*em)["scaron"] = "\u0161"
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(*em)["ecirc"] = "\u00ea"
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(*em)["ordm"] = "\u00ba"
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(*em)["tau"] = "\u03c4"
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(*em)["Auml"] = "\u00c4"
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(*em)["dArr"] = "\u21d3"
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(*em)["ordf"] = "\u00aa"
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(*em)["alefsym"] = "\u2135"
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(*em)["notin"] = "\u2209"
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(*em)["Pi"] = "\u03a0"
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(*em)["sdot"] = "\u22c5"
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(*em)["upsilon"] = "\u03c5"
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(*em)["iota"] = "\u03b9"
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(*em)["hArr"] = "\u21d4"
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(*em)["Sigma"] = "\u03a3"
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(*em)["lang"] = "\u2329"
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(*em)["curren"] = "\u00a4"
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(*em)["Theta"] = "\u0398"
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(*em)["lArr"] = "\u21d0"
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(*em)["Phi"] = "\u03a6"
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(*em)["Nu"] = "\u039d"
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(*em)["rho"] = "\u03c1"
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(*em)["alpha"] = "\u03b1"
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(*em)["iexcl"] = "\u00a1"
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(*em)["micro"] = "\u00b5"
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(*em)["cedil"] = "\u00b8"
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(*em)["Ntilde"] = "\u00d1"
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(*em)["Psi"] = "\u03a8"
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(*em)["Dagger"] = "\u2021"
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(*em)["Egrave"] = "\u00c8"
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(*em)["Icirc"] = "\u00ce"
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(*em)["nsub"] = "\u2284"
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(*em)["bdquo"] = "\u201e"
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(*em)["empty"] = "\u2205"
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(*em)["aelig"] = "\u00e6"
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(*em)["ograve"] = "\u00f2"
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(*em)["macr"] = "\u00af"
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(*em)["Zeta"] = "\u0396"
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(*em)["beta"] = "\u03b2"
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(*em)["sim"] = "\u223c"
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(*em)["uuml"] = "\u00fc"
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(*em)["Aacute"] = "\u00c1"
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(*em)["Iacute"] = "\u00cd"
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(*em)["exist"] = "\u2203"
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(*em)["prime"] = "\u2032"
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(*em)["rceil"] = "\u2309"
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(*em)["real"] = "\u211c"
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(*em)["zwnj"] = "\u200c"
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(*em)["bull"] = "\u2022"
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(*em)["quot"] = "\u0022"
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(*em)["Scaron"] = "\u0160"
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(*em)["ugrave"] = "\u00f9"
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}
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