From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/text/internal/format/parser.go | 357 --------------------- 1 file changed, 357 deletions(-) delete mode 100644 vendor/golang.org/x/text/internal/format/parser.go (limited to 'vendor/golang.org/x/text/internal/format/parser.go') diff --git a/vendor/golang.org/x/text/internal/format/parser.go b/vendor/golang.org/x/text/internal/format/parser.go deleted file mode 100644 index f4f37f4..0000000 --- a/vendor/golang.org/x/text/internal/format/parser.go +++ /dev/null @@ -1,357 +0,0 @@ -// Copyright 2017 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. - -package format - -import ( - "reflect" - "unicode/utf8" -) - -// A Parser parses a format string. The result from the parse are set in the -// struct fields. -type Parser struct { - Verb rune - - WidthPresent bool - PrecPresent bool - Minus bool - Plus bool - Sharp bool - Space bool - Zero bool - - // For the formats %+v %#v, we set the plusV/sharpV flags - // and clear the plus/sharp flags since %+v and %#v are in effect - // different, flagless formats set at the top level. - PlusV bool - SharpV bool - - HasIndex bool - - Width int - Prec int // precision - - // retain arguments across calls. - Args []interface{} - // retain current argument number across calls - ArgNum int - - // reordered records whether the format string used argument reordering. - Reordered bool - // goodArgNum records whether the most recent reordering directive was valid. - goodArgNum bool - - // position info - format string - startPos int - endPos int - Status Status -} - -// Reset initializes a parser to scan format strings for the given args. -func (p *Parser) Reset(args []interface{}) { - p.Args = args - p.ArgNum = 0 - p.startPos = 0 - p.Reordered = false -} - -// Text returns the part of the format string that was parsed by the last call -// to Scan. It returns the original substitution clause if the current scan -// parsed a substitution. -func (p *Parser) Text() string { return p.format[p.startPos:p.endPos] } - -// SetFormat sets a new format string to parse. It does not reset the argument -// count. -func (p *Parser) SetFormat(format string) { - p.format = format - p.startPos = 0 - p.endPos = 0 -} - -// Status indicates the result type of a call to Scan. -type Status int - -const ( - StatusText Status = iota - StatusSubstitution - StatusBadWidthSubstitution - StatusBadPrecSubstitution - StatusNoVerb - StatusBadArgNum - StatusMissingArg -) - -// ClearFlags reset the parser to default behavior. -func (p *Parser) ClearFlags() { - p.WidthPresent = false - p.PrecPresent = false - p.Minus = false - p.Plus = false - p.Sharp = false - p.Space = false - p.Zero = false - - p.PlusV = false - p.SharpV = false - - p.HasIndex = false -} - -// Scan scans the next part of the format string and sets the status to -// indicate whether it scanned a string literal, substitution or error. -func (p *Parser) Scan() bool { - p.Status = StatusText - format := p.format - end := len(format) - if p.endPos >= end { - return false - } - afterIndex := false // previous item in format was an index like [3]. - - p.startPos = p.endPos - p.goodArgNum = true - i := p.startPos - for i < end && format[i] != '%' { - i++ - } - if i > p.startPos { - p.endPos = i - return true - } - // Process one verb - i++ - - p.Status = StatusSubstitution - - // Do we have flags? - p.ClearFlags() - -simpleFormat: - for ; i < end; i++ { - c := p.format[i] - switch c { - case '#': - p.Sharp = true - case '0': - p.Zero = !p.Minus // Only allow zero padding to the left. - case '+': - p.Plus = true - case '-': - p.Minus = true - p.Zero = false // Do not pad with zeros to the right. - case ' ': - p.Space = true - default: - // Fast path for common case of ascii lower case simple verbs - // without precision or width or argument indices. - if 'a' <= c && c <= 'z' && p.ArgNum < len(p.Args) { - if c == 'v' { - // Go syntax - p.SharpV = p.Sharp - p.Sharp = false - // Struct-field syntax - p.PlusV = p.Plus - p.Plus = false - } - p.Verb = rune(c) - p.ArgNum++ - p.endPos = i + 1 - return true - } - // Format is more complex than simple flags and a verb or is malformed. - break simpleFormat - } - } - - // Do we have an explicit argument index? - i, afterIndex = p.updateArgNumber(format, i) - - // Do we have width? - if i < end && format[i] == '*' { - i++ - p.Width, p.WidthPresent = p.intFromArg() - - if !p.WidthPresent { - p.Status = StatusBadWidthSubstitution - } - - // We have a negative width, so take its value and ensure - // that the minus flag is set - if p.Width < 0 { - p.Width = -p.Width - p.Minus = true - p.Zero = false // Do not pad with zeros to the right. - } - afterIndex = false - } else { - p.Width, p.WidthPresent, i = parsenum(format, i, end) - if afterIndex && p.WidthPresent { // "%[3]2d" - p.goodArgNum = false - } - } - - // Do we have precision? - if i+1 < end && format[i] == '.' { - i++ - if afterIndex { // "%[3].2d" - p.goodArgNum = false - } - i, afterIndex = p.updateArgNumber(format, i) - if i < end && format[i] == '*' { - i++ - p.Prec, p.PrecPresent = p.intFromArg() - // Negative precision arguments don't make sense - if p.Prec < 0 { - p.Prec = 0 - p.PrecPresent = false - } - if !p.PrecPresent { - p.Status = StatusBadPrecSubstitution - } - afterIndex = false - } else { - p.Prec, p.PrecPresent, i = parsenum(format, i, end) - if !p.PrecPresent { - p.Prec = 0 - p.PrecPresent = true - } - } - } - - if !afterIndex { - i, afterIndex = p.updateArgNumber(format, i) - } - p.HasIndex = afterIndex - - if i >= end { - p.endPos = i - p.Status = StatusNoVerb - return true - } - - verb, w := utf8.DecodeRuneInString(format[i:]) - p.endPos = i + w - p.Verb = verb - - switch { - case verb == '%': // Percent does not absorb operands and ignores f.wid and f.prec. - p.startPos = p.endPos - 1 - p.Status = StatusText - case !p.goodArgNum: - p.Status = StatusBadArgNum - case p.ArgNum >= len(p.Args): // No argument left over to print for the current verb. - p.Status = StatusMissingArg - case verb == 'v': - // Go syntax - p.SharpV = p.Sharp - p.Sharp = false - // Struct-field syntax - p.PlusV = p.Plus - p.Plus = false - fallthrough - default: - p.ArgNum++ - } - return true -} - -// intFromArg gets the ArgNumth element of Args. On return, isInt reports -// whether the argument has integer type. -func (p *Parser) intFromArg() (num int, isInt bool) { - if p.ArgNum < len(p.Args) { - arg := p.Args[p.ArgNum] - num, isInt = arg.(int) // Almost always OK. - if !isInt { - // Work harder. - switch v := reflect.ValueOf(arg); v.Kind() { - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - n := v.Int() - if int64(int(n)) == n { - num = int(n) - isInt = true - } - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - n := v.Uint() - if int64(n) >= 0 && uint64(int(n)) == n { - num = int(n) - isInt = true - } - default: - // Already 0, false. - } - } - p.ArgNum++ - if tooLarge(num) { - num = 0 - isInt = false - } - } - return -} - -// parseArgNumber returns the value of the bracketed number, minus 1 -// (explicit argument numbers are one-indexed but we want zero-indexed). -// The opening bracket is known to be present at format[0]. -// The returned values are the index, the number of bytes to consume -// up to the closing paren, if present, and whether the number parsed -// ok. The bytes to consume will be 1 if no closing paren is present. -func parseArgNumber(format string) (index int, wid int, ok bool) { - // There must be at least 3 bytes: [n]. - if len(format) < 3 { - return 0, 1, false - } - - // Find closing bracket. - for i := 1; i < len(format); i++ { - if format[i] == ']' { - width, ok, newi := parsenum(format, 1, i) - if !ok || newi != i { - return 0, i + 1, false - } - return width - 1, i + 1, true // arg numbers are one-indexed and skip paren. - } - } - return 0, 1, false -} - -// updateArgNumber returns the next argument to evaluate, which is either the value of the passed-in -// argNum or the value of the bracketed integer that begins format[i:]. It also returns -// the new value of i, that is, the index of the next byte of the format to process. -func (p *Parser) updateArgNumber(format string, i int) (newi int, found bool) { - if len(format) <= i || format[i] != '[' { - return i, false - } - p.Reordered = true - index, wid, ok := parseArgNumber(format[i:]) - if ok && 0 <= index && index < len(p.Args) { - p.ArgNum = index - return i + wid, true - } - p.goodArgNum = false - return i + wid, ok -} - -// tooLarge reports whether the magnitude of the integer is -// too large to be used as a formatting width or precision. -func tooLarge(x int) bool { - const max int = 1e6 - return x > max || x < -max -} - -// parsenum converts ASCII to integer. num is 0 (and isnum is false) if no number present. -func parsenum(s string, start, end int) (num int, isnum bool, newi int) { - if start >= end { - return 0, false, end - } - for newi = start; newi < end && '0' <= s[newi] && s[newi] <= '9'; newi++ { - if tooLarge(num) { - return 0, false, end // Overflow; crazy long number most likely. - } - num = num*10 + int(s[newi]-'0') - isnum = true - } - return -} -- cgit v1.2.3