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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
 
// Normalization table generator.
// Data read from the web.
 
package main
 
import (
        "bufio"
        "bytes"
        "flag"
        "fmt"
        "io"
        "log"
        "net/http"
        "os"
        "regexp"
        "strconv"
        "strings"
)
 
func main() {
        flag.Parse()
        loadUnicodeData()
        loadCompositionExclusions()
        completeCharFields(FCanonical)
        completeCharFields(FCompatibility)
        verifyComputed()
        printChars()
        makeTables()
        testDerived()
}
 
var url = flag.String("url",
        "http://www.unicode.org/Public/6.0.0/ucd/",
        "URL of Unicode database directory")
var tablelist = flag.String("tables",
        "all",
        "comma-separated list of which tables to generate; "+
                "can be 'decomp', 'recomp', 'info' and 'all'")
var test = flag.Bool("test",
        false,
        "test existing tables; can be used to compare web data with package data")
var verbose = flag.Bool("verbose",
        false,
        "write data to stdout as it is parsed")
var localFiles = flag.Bool("local",
        false,
        "data files have been copied to the current directory; for debugging only")
 
var logger = log.New(os.Stderr, "", log.Lshortfile)
 
// UnicodeData.txt has form:
//      0037;DIGIT SEVEN;Nd;0;EN;;7;7;7;N;;;;;
//      007A;LATIN SMALL LETTER Z;Ll;0;L;;;;;N;;;005A;;005A
// See http://unicode.org/reports/tr44/ for full explanation
// The fields:
const (
        FCodePoint = iota
        FName
        FGeneralCategory
        FCanonicalCombiningClass
        FBidiClass
        FDecompMapping
        FDecimalValue
        FDigitValue
        FNumericValue
        FBidiMirrored
        FUnicode1Name
        FISOComment
        FSimpleUppercaseMapping
        FSimpleLowercaseMapping
        FSimpleTitlecaseMapping
        NumField
 
        MaxChar = 0x10FFFF // anything above this shouldn't exist
)
 
// Quick Check properties of runes allow us to quickly
// determine whether a rune may occur in a normal form.
// For a given normal form, a rune may be guaranteed to occur
// verbatim (QC=Yes), may or may not combine with another
// rune (QC=Maybe), or may not occur (QC=No).
type QCResult int
 
const (
        QCUnknown QCResult = iota
        QCYes
        QCNo
        QCMaybe
)
 
func (r QCResult) String() string {
        switch r {
        case QCYes:
                return "Yes"
        case QCNo:
                return "No"
        case QCMaybe:
                return "Maybe"
        }
        return "***UNKNOWN***"
}
 
const (
        FCanonical     = iota // NFC or NFD
        FCompatibility        // NFKC or NFKD
        FNumberOfFormTypes
)
 
const (
        MComposed   = iota // NFC or NFKC
        MDecomposed        // NFD or NFKD
        MNumberOfModes
)
 
// This contains only the properties we're interested in.
type Char struct {
        name          string
        codePoint     rune  // if zero, this index is not a valid code point.
        ccc           uint8 // canonical combining class
        excludeInComp bool  // from CompositionExclusions.txt
        compatDecomp  bool  // it has a compatibility expansion
 
        forms [FNumberOfFormTypes]FormInfo // For FCanonical and FCompatibility
 
        state State
}
 
var chars = make([]Char, MaxChar+1)
 
func (c Char) String() string {
        buf := new(bytes.Buffer)
 
        fmt.Fprintf(buf, "%U [%s]:\n", c.codePoint, c.name)
        fmt.Fprintf(buf, "  ccc: %v\n", c.ccc)
        fmt.Fprintf(buf, "  excludeInComp: %v\n", c.excludeInComp)
        fmt.Fprintf(buf, "  compatDecomp: %v\n", c.compatDecomp)
        fmt.Fprintf(buf, "  state: %v\n", c.state)
        fmt.Fprintf(buf, "  NFC:\n")
        fmt.Fprint(buf, c.forms[FCanonical])
        fmt.Fprintf(buf, "  NFKC:\n")
        fmt.Fprint(buf, c.forms[FCompatibility])
 
        return buf.String()
}
 
// In UnicodeData.txt, some ranges are marked like this:
//      3400;;Lo;0;L;;;;;N;;;;;
//      4DB5;;Lo;0;L;;;;;N;;;;;
// parseCharacter keeps a state variable indicating the weirdness.
type State int
 
const (
        SNormal State = iota // known to be zero for the type
        SFirst
        SLast
        SMissing
)
 
var lastChar = rune('\u0000')
 
func (c Char) isValid() bool {
        return c.codePoint != 0 && c.state != SMissing
}
 
type FormInfo struct {
        quickCheck [MNumberOfModes]QCResult // index: MComposed or MDecomposed
        verified   [MNumberOfModes]bool     // index: MComposed or MDecomposed
 
        combinesForward  bool // May combine with rune on the right
        combinesBackward bool // May combine with rune on the left
        isOneWay         bool // Never appears in result
        inDecomp         bool // Some decompositions result in this char.
        decomp           Decomposition
        expandedDecomp   Decomposition
}
 
func (f FormInfo) String() string {
        buf := bytes.NewBuffer(make([]byte, 0))
 
        fmt.Fprintf(buf, "    quickCheck[C]: %v\n", f.quickCheck[MComposed])
        fmt.Fprintf(buf, "    quickCheck[D]: %v\n", f.quickCheck[MDecomposed])
        fmt.Fprintf(buf, "    cmbForward: %v\n", f.combinesForward)
        fmt.Fprintf(buf, "    cmbBackward: %v\n", f.combinesBackward)
        fmt.Fprintf(buf, "    isOneWay: %v\n", f.isOneWay)
        fmt.Fprintf(buf, "    inDecomp: %v\n", f.inDecomp)
        fmt.Fprintf(buf, "    decomposition: %v\n", f.decomp)
        fmt.Fprintf(buf, "    expandedDecomp: %v\n", f.expandedDecomp)
 
        return buf.String()
}
 
type Decomposition []rune
 
func (d Decomposition) String() string {
        return fmt.Sprintf("%.4X", d)
}
 
func openReader(file string) (input io.ReadCloser) {
        if *localFiles {
                f, err := os.Open(file)
                if err != nil {
                        logger.Fatal(err)
                }
                input = f
        } else {
                path := *url + file
                resp, err := http.Get(path)
                if err != nil {
                        logger.Fatal(err)
                }
                if resp.StatusCode != 200 {
                        logger.Fatal("bad GET status for "+file, resp.Status)
                }
                input = resp.Body
        }
        return
}
 
func parseDecomposition(s string, skipfirst bool) (a []rune, e error) {
        decomp := strings.Split(s, " ")
        if len(decomp) > 0 && skipfirst {
                decomp = decomp[1:]
        }
        for _, d := range decomp {
                point, err := strconv.ParseUint(d, 16, 64)
                if err != nil {
                        return a, err
                }
                a = append(a, rune(point))
        }
        return a, nil
}
 
func parseCharacter(line string) {
        field := strings.Split(line, ";")
        if len(field) != NumField {
                logger.Fatalf("%5s: %d fields (expected %d)\n", line, len(field), NumField)
        }
        x, err := strconv.ParseUint(field[FCodePoint], 16, 64)
        point := int(x)
        if err != nil {
                logger.Fatalf("%.5s...: %s", line, err)
        }
        if point == 0 {
                return // not interesting and we use 0 as unset
        }
        if point > MaxChar {
                logger.Fatalf("%5s: Rune %X > MaxChar (%X)", line, point, MaxChar)
                return
        }
        state := SNormal
        switch {
        case strings.Index(field[FName], ", First>") > 0:
                state = SFirst
        case strings.Index(field[FName], ", Last>") > 0:
                state = SLast
        }
        firstChar := lastChar + 1
        lastChar = rune(point)
        if state != SLast {
                firstChar = lastChar
        }
        x, err = strconv.ParseUint(field[FCanonicalCombiningClass], 10, 64)
        if err != nil {
                logger.Fatalf("%U: bad ccc field: %s", int(x), err)
        }
        ccc := uint8(x)
        decmap := field[FDecompMapping]
        exp, e := parseDecomposition(decmap, false)
        isCompat := false
        if e != nil {
                if len(decmap) > 0 {
                        exp, e = parseDecomposition(decmap, true)
                        if e != nil {
                                logger.Fatalf(`%U: bad decomp |%v|: "%s"`, int(x), decmap, e)
                        }
                        isCompat = true
                }
        }
        for i := firstChar; i <= lastChar; i++ {
                char := &chars[i]
                char.name = field[FName]
                char.codePoint = i
                char.forms[FCompatibility].decomp = exp
                if !isCompat {
                        char.forms[FCanonical].decomp = exp
                } else {
                        char.compatDecomp = true
                }
                if len(decmap) > 0 {
                        char.forms[FCompatibility].decomp = exp
                }
                char.ccc = ccc
                char.state = SMissing
                if i == lastChar {
                        char.state = state
                }
        }
        return
}
 
func loadUnicodeData() {
        f := openReader("UnicodeData.txt")
        defer f.Close()
        input := bufio.NewReader(f)
        for {
                line, err := input.ReadString('\n')
                if err != nil {
                        if err == io.EOF {
                                break
                        }
                        logger.Fatal(err)
                }
                parseCharacter(line[0 : len(line)-1])
        }
}
 
var singlePointRe = regexp.MustCompile(`^([0-9A-F]+) *$`)
 
// CompositionExclusions.txt has form:
// 0958    # ...
// See http://unicode.org/reports/tr44/ for full explanation
func parseExclusion(line string) int {
        comment := strings.Index(line, "#")
        if comment >= 0 {
                line = line[0:comment]
        }
        if len(line) == 0 {
                return 0
        }
        matches := singlePointRe.FindStringSubmatch(line)
        if len(matches) != 2 {
                logger.Fatalf("%s: %d matches (expected 1)\n", line, len(matches))
        }
        point, err := strconv.ParseUint(matches[1], 16, 64)
        if err != nil {
                logger.Fatalf("%.5s...: %s", line, err)
        }
        return int(point)
}
 
func loadCompositionExclusions() {
        f := openReader("CompositionExclusions.txt")
        defer f.Close()
        input := bufio.NewReader(f)
        for {
                line, err := input.ReadString('\n')
                if err != nil {
                        if err == io.EOF {
                                break
                        }
                        logger.Fatal(err)
                }
                point := parseExclusion(line[0 : len(line)-1])
                if point == 0 {
                        continue
                }
                c := &chars[point]
                if c.excludeInComp {
                        logger.Fatalf("%U: Duplicate entry in exclusions.", c.codePoint)
                }
                c.excludeInComp = true
        }
}
 
// hasCompatDecomp returns true if any of the recursive
// decompositions contains a compatibility expansion.
// In this case, the character may not occur in NFK*.
func hasCompatDecomp(r rune) bool {
        c := &chars[r]
        if c.compatDecomp {
                return true
        }
        for _, d := range c.forms[FCompatibility].decomp {
                if hasCompatDecomp(d) {
                        return true
                }
        }
        return false
}
 
// Hangul related constants.
const (
        HangulBase = 0xAC00
        HangulEnd  = 0xD7A4 // hangulBase + Jamo combinations (19 * 21 * 28)
 
        JamoLBase = 0x1100
        JamoLEnd  = 0x1113
        JamoVBase = 0x1161
        JamoVEnd  = 0x1176
        JamoTBase = 0x11A8
        JamoTEnd  = 0x11C3
)
 
func isHangul(r rune) bool {
        return HangulBase <= r && r < HangulEnd
}
 
func ccc(r rune) uint8 {
        return chars[r].ccc
}
 
// Insert a rune in a buffer, ordered by Canonical Combining Class.
func insertOrdered(b Decomposition, r rune) Decomposition {
        n := len(b)
        b = append(b, 0)
        cc := ccc(r)
        if cc > 0 {
                // Use bubble sort.
                for ; n > 0; n-- {
                        if ccc(b[n-1]) <= cc {
                                break
                        }
                        b[n] = b[n-1]
                }
        }
        b[n] = r
        return b
}
 
// Recursively decompose.
func decomposeRecursive(form int, r rune, d Decomposition) Decomposition {
        if isHangul(r) {
                return d
        }
        dcomp := chars[r].forms[form].decomp
        if len(dcomp) == 0 {
                return insertOrdered(d, r)
        }
        for _, c := range dcomp {
                d = decomposeRecursive(form, c, d)
        }
        return d
}
 
func completeCharFields(form int) {
        // Phase 0: pre-expand decomposition.
        for i := range chars {
                f := &chars[i].forms[form]
                if len(f.decomp) == 0 {
                        continue
                }
                exp := make(Decomposition, 0)
                for _, c := range f.decomp {
                        exp = decomposeRecursive(form, c, exp)
                }
                f.expandedDecomp = exp
        }
 
        // Phase 1: composition exclusion, mark decomposition.
        for i := range chars {
                c := &chars[i]
                f := &c.forms[form]
 
                // Marks script-specific exclusions and version restricted.
                f.isOneWay = c.excludeInComp
 
                // Singletons
                f.isOneWay = f.isOneWay || len(f.decomp) == 1
 
                // Non-starter decompositions
                if len(f.decomp) > 1 {
                        chk := c.ccc != 0 || chars[f.decomp[0]].ccc != 0
                        f.isOneWay = f.isOneWay || chk
                }
 
                // Runes that decompose into more than two runes.
                f.isOneWay = f.isOneWay || len(f.decomp) > 2
 
                if form == FCompatibility {
                        f.isOneWay = f.isOneWay || hasCompatDecomp(c.codePoint)
                }
 
                for _, r := range f.decomp {
                        chars[r].forms[form].inDecomp = true
                }
        }
 
        // Phase 2: forward and backward combining.
        for i := range chars {
                c := &chars[i]
                f := &c.forms[form]
 
                if !f.isOneWay && len(f.decomp) == 2 {
                        f0 := &chars[f.decomp[0]].forms[form]
                        f1 := &chars[f.decomp[1]].forms[form]
                        if !f0.isOneWay {
                                f0.combinesForward = true
                        }
                        if !f1.isOneWay {
                                f1.combinesBackward = true
                        }
                }
        }
 
        // Phase 3: quick check values.
        for i := range chars {
                c := &chars[i]
                f := &c.forms[form]
 
                switch {
                case len(f.decomp) > 0:
                        f.quickCheck[MDecomposed] = QCNo
                case isHangul(rune(i)):
                        f.quickCheck[MDecomposed] = QCNo
                default:
                        f.quickCheck[MDecomposed] = QCYes
                }
                switch {
                case f.isOneWay:
                        f.quickCheck[MComposed] = QCNo
                case (i & 0xffff00) == JamoLBase:
                        f.quickCheck[MComposed] = QCYes
                        if JamoLBase <= i && i < JamoLEnd {
                                f.combinesForward = true
                        }
                        if JamoVBase <= i && i < JamoVEnd {
                                f.quickCheck[MComposed] = QCMaybe
                                f.combinesBackward = true
                                f.combinesForward = true
                        }
                        if JamoTBase <= i && i < JamoTEnd {
                                f.quickCheck[MComposed] = QCMaybe
                                f.combinesBackward = true
                        }
                case !f.combinesBackward:
                        f.quickCheck[MComposed] = QCYes
                default:
                        f.quickCheck[MComposed] = QCMaybe
                }
        }
}
 
func printBytes(b []byte, name string) {
        fmt.Printf("// %s: %d bytes\n", name, len(b))
        fmt.Printf("var %s = [...]byte {", name)
        for i, c := range b {
                switch {
                case i%64 == 0:
                        fmt.Printf("\n// Bytes %x - %x\n", i, i+63)
                case i%8 == 0:
                        fmt.Printf("\n")
                }
                fmt.Printf("0x%.2X, ", c)
        }
        fmt.Print("\n}\n\n")
}
 
// See forminfo.go for format.
func makeEntry(f *FormInfo) uint16 {
        e := uint16(0)
        if f.combinesForward {
                e |= 0x8
        }
        if f.quickCheck[MDecomposed] == QCNo {
                e |= 0x1
        }
        switch f.quickCheck[MComposed] {
        case QCYes:
        case QCNo:
                e |= 0x4
        case QCMaybe:
                e |= 0x6
        default:
                log.Fatalf("Illegal quickcheck value %v.", f.quickCheck[MComposed])
        }
        return e
}
 
// Bits
// 0..8:   CCC
// 9..12:  NF(C|D) qc bits.
// 13..16: NFK(C|D) qc bits.
func makeCharInfo(c Char) uint16 {
        e := makeEntry(&c.forms[FCompatibility])
        e = e<<4 | makeEntry(&c.forms[FCanonical])
        e = e<<8 | uint16(c.ccc)
        return e
}
 
func printCharInfoTables() int {
        // Quick Check + CCC trie.
        t := newNode()
        for i, char := range chars {
                v := makeCharInfo(char)
                if v != 0 {
                        t.insert(rune(i), v)
                }
        }
        return t.printTables("charInfo")
}
 
func printDecompositionTables() int {
        decompositions := bytes.NewBuffer(make([]byte, 0, 10000))
        size := 0
 
        // Map decompositions
        positionMap := make(map[string]uint16)
 
        // Store the uniqued decompositions in a byte buffer,
        // preceded by their byte length.
        for _, c := range chars {
                for f := 0; f < 2; f++ {
                        d := c.forms[f].expandedDecomp
                        s := string([]rune(d))
                        if _, ok := positionMap[s]; !ok {
                                p := decompositions.Len()
                                decompositions.WriteByte(uint8(len(s)))
                                decompositions.WriteString(s)
                                positionMap[s] = uint16(p)
                        }
                }
        }
        b := decompositions.Bytes()
        printBytes(b, "decomps")
        size += len(b)
 
        nfcT := newNode()
        nfkcT := newNode()
        for i, c := range chars {
                d := c.forms[FCanonical].expandedDecomp
                if len(d) != 0 {
                        nfcT.insert(rune(i), positionMap[string([]rune(d))])
                        if ccc(c.codePoint) != ccc(d[0]) {
                                // We assume the lead ccc of a decomposition is !=0 in this case.
                                if ccc(d[0]) == 0 {
                                        logger.Fatal("Expected differing CCC to be non-zero.")
                                }
                        }
                }
                d = c.forms[FCompatibility].expandedDecomp
                if len(d) != 0 {
                        nfkcT.insert(rune(i), positionMap[string([]rune(d))])
                        if ccc(c.codePoint) != ccc(d[0]) {
                                // We assume the lead ccc of a decomposition is !=0 in this case.
                                if ccc(d[0]) == 0 {
                                        logger.Fatal("Expected differing CCC to be non-zero.")
                                }
                        }
                }
        }
        size += nfcT.printTables("nfcDecomp")
        size += nfkcT.printTables("nfkcDecomp")
        return size
}
 
func contains(sa []string, s string) bool {
        for _, a := range sa {
                if a == s {
                        return true
                }
        }
        return false
}
 
// Extract the version number from the URL.
func version() string {
        // From http://www.unicode.org/standard/versions/#Version_Numbering:
        // for the later Unicode versions, data files are located in
        // versioned directories.
        fields := strings.Split(*url, "/")
        for _, f := range fields {
                if match, _ := regexp.MatchString(`[0-9]\.[0-9]\.[0-9]`, f); match {
                        return f
                }
        }
        logger.Fatal("unknown version")
        return "Unknown"
}
 
const fileHeader = `// Generated by running
//      maketables --tables=%s --url=%s
// DO NOT EDIT
 
package norm
 
`
 
func makeTables() {
        size := 0
        if *tablelist == "" {
                return
        }
        list := strings.Split(*tablelist, ",")
        if *tablelist == "all" {
                list = []string{"decomp", "recomp", "info"}
        }
        fmt.Printf(fileHeader, *tablelist, *url)
 
        fmt.Println("// Version is the Unicode edition from which the tables are derived.")
        fmt.Printf("const Version = %q\n\n", version())
 
        if contains(list, "decomp") {
                size += printDecompositionTables()
        }
 
        if contains(list, "recomp") {
                // Note that we use 32 bit keys, instead of 64 bit.
                // This clips the bits of three entries, but we know
                // this won't cause a collision. The compiler will catch
                // any changes made to UnicodeData.txt that introduces
                // a collision.
                // Note that the recomposition map for NFC and NFKC
                // are identical.
 
                // Recomposition map
                nrentries := 0
                for _, c := range chars {
                        f := c.forms[FCanonical]
                        if !f.isOneWay && len(f.decomp) > 0 {
                                nrentries++
                        }
                }
                sz := nrentries * 8
                size += sz
                fmt.Printf("// recompMap: %d bytes (entries only)\n", sz)
                fmt.Println("var recompMap = map[uint32]rune{")
                for i, c := range chars {
                        f := c.forms[FCanonical]
                        d := f.decomp
                        if !f.isOneWay && len(d) > 0 {
                                key := uint32(uint16(d[0]))<<16 + uint32(uint16(d[1]))
                                fmt.Printf("0x%.8X: 0x%.4X,\n", key, i)
                        }
                }
                fmt.Printf("}\n\n")
        }
 
        if contains(list, "info") {
                size += printCharInfoTables()
        }
        fmt.Printf("// Total size of tables: %dKB (%d bytes)\n", (size+512)/1024, size)
}
 
func printChars() {
        if *verbose {
                for _, c := range chars {
                        if !c.isValid() || c.state == SMissing {
                                continue
                        }
                        fmt.Println(c)
                }
        }
}
 
// verifyComputed does various consistency tests.
func verifyComputed() {
        for i, c := range chars {
                for _, f := range c.forms {
                        isNo := (f.quickCheck[MDecomposed] == QCNo)
                        if (len(f.decomp) > 0) != isNo && !isHangul(rune(i)) {
                                log.Fatalf("%U: NF*D must be no if rune decomposes", i)
                        }
 
                        isMaybe := f.quickCheck[MComposed] == QCMaybe
                        if f.combinesBackward != isMaybe {
                                log.Fatalf("%U: NF*C must be maybe if combinesBackward", i)
                        }
                }
        }
}
 
var qcRe = regexp.MustCompile(`([0-9A-F\.]+) *; (NF.*_QC); ([YNM]) #.*`)
 
// Use values in DerivedNormalizationProps.txt to compare against the
// values we computed.
// DerivedNormalizationProps.txt has form:
// 00C0..00C5    ; NFD_QC; N # ...
// 0374          ; NFD_QC; N # ...
// See http://unicode.org/reports/tr44/ for full explanation
func testDerived() {
        if !*test {
                return
        }
        f := openReader("DerivedNormalizationProps.txt")
        defer f.Close()
        input := bufio.NewReader(f)
        for {
                line, err := input.ReadString('\n')
                if err != nil {
                        if err == io.EOF {
                                break
                        }
                        logger.Fatal(err)
                }
                qc := qcRe.FindStringSubmatch(line)
                if qc == nil {
                        continue
                }
                rng := strings.Split(qc[1], "..")
                i, err := strconv.ParseUint(rng[0], 16, 64)
                if err != nil {
                        log.Fatal(err)
                }
                j := i
                if len(rng) > 1 {
                        j, err = strconv.ParseUint(rng[1], 16, 64)
                        if err != nil {
                                log.Fatal(err)
                        }
                }
                var ftype, mode int
                qt := strings.TrimSpace(qc[2])
                switch qt {
                case "NFC_QC":
                        ftype, mode = FCanonical, MComposed
                case "NFD_QC":
                        ftype, mode = FCanonical, MDecomposed
                case "NFKC_QC":
                        ftype, mode = FCompatibility, MComposed
                case "NFKD_QC":
                        ftype, mode = FCompatibility, MDecomposed
                default:
                        log.Fatalf(`Unexpected quick check type "%s"`, qt)
                }
                var qr QCResult
                switch qc[3] {
                case "Y":
                        qr = QCYes
                case "N":
                        qr = QCNo
                case "M":
                        qr = QCMaybe
                default:
                        log.Fatalf(`Unexpected quick check value "%s"`, qc[3])
                }
                var lastFailed bool
                // Verify current
                for ; i <= j; i++ {
                        c := &chars[int(i)]
                        c.forms[ftype].verified[mode] = true
                        curqr := c.forms[ftype].quickCheck[mode]
                        if curqr != qr {
                                if !lastFailed {
                                        logger.Printf("%s: %.4X..%.4X -- %s\n",
                                                qt, int(i), int(j), line[0:50])
                                }
                                logger.Printf("%U: FAILED %s (was %v need %v)\n",
                                        int(i), qt, curqr, qr)
                                lastFailed = true
                        }
                }
        }
        // Any unspecified value must be QCYes. Verify this.
        for i, c := range chars {
                for j, fd := range c.forms {
                        for k, qr := range fd.quickCheck {
                                if !fd.verified[k] && qr != QCYes {
                                        m := "%U: FAIL F:%d M:%d (was %v need Yes) %s\n"
                                        logger.Printf(m, i, j, k, qr, c.name)
                                }
                        }
                }
        }
}
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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [exp/] [norm/] [maketables.go] - Blame information for rev 858

Line No.	Rev	Author	Line
1	747	jeremybenn	`// Copyright 2011 The Go Authors. All rights reserved.`
2			`// Use of this source code is governed by a BSD-style`
3			`// license that can be found in the LICENSE file.`
4
5			`// Normalization table generator.`
6			`// Data read from the web.`
7
8			`package main`
9
10			`import (`
11			`"bufio"`
12			`"bytes"`
13			`"flag"`
14			`"fmt"`
15			`"io"`
16			`"log"`
17			`"net/http"`
18			`"os"`
19			`"regexp"`
20			`"strconv"`
21			`"strings"`
22			`)`
23
24			`func main() {`
25			`flag.Parse()`
26			`loadUnicodeData()`
27			`loadCompositionExclusions()`
28			`completeCharFields(FCanonical)`
29			`completeCharFields(FCompatibility)`
30			`verifyComputed()`
31			`printChars()`
32			`makeTables()`
33			`testDerived()`
34			`}`
35
36			`var url = flag.String("url",`
37			`"http://www.unicode.org/Public/6.0.0/ucd/",`
38			`"URL of Unicode database directory")`
39			`var tablelist = flag.String("tables",`
40			`"all",`