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/message/format.go | 510 ----------------------------- 1 file changed, 510 deletions(-) delete mode 100644 vendor/golang.org/x/text/message/format.go (limited to 'vendor/golang.org/x/text/message/format.go') diff --git a/vendor/golang.org/x/text/message/format.go b/vendor/golang.org/x/text/message/format.go deleted file mode 100644 index a47d17d..0000000 --- a/vendor/golang.org/x/text/message/format.go +++ /dev/null @@ -1,510 +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 message - -import ( - "bytes" - "strconv" - "unicode/utf8" - - "golang.org/x/text/internal/format" -) - -const ( - ldigits = "0123456789abcdefx" - udigits = "0123456789ABCDEFX" -) - -const ( - signed = true - unsigned = false -) - -// A formatInfo is the raw formatter used by Printf etc. -// It prints into a buffer that must be set up separately. -type formatInfo struct { - buf *bytes.Buffer - - format.Parser - - // intbuf is large enough to store %b of an int64 with a sign and - // avoids padding at the end of the struct on 32 bit architectures. - intbuf [68]byte -} - -func (f *formatInfo) init(buf *bytes.Buffer) { - f.ClearFlags() - f.buf = buf -} - -// writePadding generates n bytes of padding. -func (f *formatInfo) writePadding(n int) { - if n <= 0 { // No padding bytes needed. - return - } - f.buf.Grow(n) - // Decide which byte the padding should be filled with. - padByte := byte(' ') - if f.Zero { - padByte = byte('0') - } - // Fill padding with padByte. - for i := 0; i < n; i++ { - f.buf.WriteByte(padByte) // TODO: make more efficient. - } -} - -// pad appends b to f.buf, padded on left (!f.minus) or right (f.minus). -func (f *formatInfo) pad(b []byte) { - if !f.WidthPresent || f.Width == 0 { - f.buf.Write(b) - return - } - width := f.Width - utf8.RuneCount(b) - if !f.Minus { - // left padding - f.writePadding(width) - f.buf.Write(b) - } else { - // right padding - f.buf.Write(b) - f.writePadding(width) - } -} - -// padString appends s to f.buf, padded on left (!f.minus) or right (f.minus). -func (f *formatInfo) padString(s string) { - if !f.WidthPresent || f.Width == 0 { - f.buf.WriteString(s) - return - } - width := f.Width - utf8.RuneCountInString(s) - if !f.Minus { - // left padding - f.writePadding(width) - f.buf.WriteString(s) - } else { - // right padding - f.buf.WriteString(s) - f.writePadding(width) - } -} - -// fmt_boolean formats a boolean. -func (f *formatInfo) fmt_boolean(v bool) { - if v { - f.padString("true") - } else { - f.padString("false") - } -} - -// fmt_unicode formats a uint64 as "U+0078" or with f.sharp set as "U+0078 'x'". -func (f *formatInfo) fmt_unicode(u uint64) { - buf := f.intbuf[0:] - - // With default precision set the maximum needed buf length is 18 - // for formatting -1 with %#U ("U+FFFFFFFFFFFFFFFF") which fits - // into the already allocated intbuf with a capacity of 68 bytes. - prec := 4 - if f.PrecPresent && f.Prec > 4 { - prec = f.Prec - // Compute space needed for "U+" , number, " '", character, "'". - width := 2 + prec + 2 + utf8.UTFMax + 1 - if width > len(buf) { - buf = make([]byte, width) - } - } - - // Format into buf, ending at buf[i]. Formatting numbers is easier right-to-left. - i := len(buf) - - // For %#U we want to add a space and a quoted character at the end of the buffer. - if f.Sharp && u <= utf8.MaxRune && strconv.IsPrint(rune(u)) { - i-- - buf[i] = '\'' - i -= utf8.RuneLen(rune(u)) - utf8.EncodeRune(buf[i:], rune(u)) - i-- - buf[i] = '\'' - i-- - buf[i] = ' ' - } - // Format the Unicode code point u as a hexadecimal number. - for u >= 16 { - i-- - buf[i] = udigits[u&0xF] - prec-- - u >>= 4 - } - i-- - buf[i] = udigits[u] - prec-- - // Add zeros in front of the number until requested precision is reached. - for prec > 0 { - i-- - buf[i] = '0' - prec-- - } - // Add a leading "U+". - i-- - buf[i] = '+' - i-- - buf[i] = 'U' - - oldZero := f.Zero - f.Zero = false - f.pad(buf[i:]) - f.Zero = oldZero -} - -// fmt_integer formats signed and unsigned integers. -func (f *formatInfo) fmt_integer(u uint64, base int, isSigned bool, digits string) { - negative := isSigned && int64(u) < 0 - if negative { - u = -u - } - - buf := f.intbuf[0:] - // The already allocated f.intbuf with a capacity of 68 bytes - // is large enough for integer formatting when no precision or width is set. - if f.WidthPresent || f.PrecPresent { - // Account 3 extra bytes for possible addition of a sign and "0x". - width := 3 + f.Width + f.Prec // wid and prec are always positive. - if width > len(buf) { - // We're going to need a bigger boat. - buf = make([]byte, width) - } - } - - // Two ways to ask for extra leading zero digits: %.3d or %03d. - // If both are specified the f.zero flag is ignored and - // padding with spaces is used instead. - prec := 0 - if f.PrecPresent { - prec = f.Prec - // Precision of 0 and value of 0 means "print nothing" but padding. - if prec == 0 && u == 0 { - oldZero := f.Zero - f.Zero = false - f.writePadding(f.Width) - f.Zero = oldZero - return - } - } else if f.Zero && f.WidthPresent { - prec = f.Width - if negative || f.Plus || f.Space { - prec-- // leave room for sign - } - } - - // Because printing is easier right-to-left: format u into buf, ending at buf[i]. - // We could make things marginally faster by splitting the 32-bit case out - // into a separate block but it's not worth the duplication, so u has 64 bits. - i := len(buf) - // Use constants for the division and modulo for more efficient code. - // Switch cases ordered by popularity. - switch base { - case 10: - for u >= 10 { - i-- - next := u / 10 - buf[i] = byte('0' + u - next*10) - u = next - } - case 16: - for u >= 16 { - i-- - buf[i] = digits[u&0xF] - u >>= 4 - } - case 8: - for u >= 8 { - i-- - buf[i] = byte('0' + u&7) - u >>= 3 - } - case 2: - for u >= 2 { - i-- - buf[i] = byte('0' + u&1) - u >>= 1 - } - default: - panic("fmt: unknown base; can't happen") - } - i-- - buf[i] = digits[u] - for i > 0 && prec > len(buf)-i { - i-- - buf[i] = '0' - } - - // Various prefixes: 0x, -, etc. - if f.Sharp { - switch base { - case 8: - if buf[i] != '0' { - i-- - buf[i] = '0' - } - case 16: - // Add a leading 0x or 0X. - i-- - buf[i] = digits[16] - i-- - buf[i] = '0' - } - } - - if negative { - i-- - buf[i] = '-' - } else if f.Plus { - i-- - buf[i] = '+' - } else if f.Space { - i-- - buf[i] = ' ' - } - - // Left padding with zeros has already been handled like precision earlier - // or the f.zero flag is ignored due to an explicitly set precision. - oldZero := f.Zero - f.Zero = false - f.pad(buf[i:]) - f.Zero = oldZero -} - -// truncate truncates the string to the specified precision, if present. -func (f *formatInfo) truncate(s string) string { - if f.PrecPresent { - n := f.Prec - for i := range s { - n-- - if n < 0 { - return s[:i] - } - } - } - return s -} - -// fmt_s formats a string. -func (f *formatInfo) fmt_s(s string) { - s = f.truncate(s) - f.padString(s) -} - -// fmt_sbx formats a string or byte slice as a hexadecimal encoding of its bytes. -func (f *formatInfo) fmt_sbx(s string, b []byte, digits string) { - length := len(b) - if b == nil { - // No byte slice present. Assume string s should be encoded. - length = len(s) - } - // Set length to not process more bytes than the precision demands. - if f.PrecPresent && f.Prec < length { - length = f.Prec - } - // Compute width of the encoding taking into account the f.sharp and f.space flag. - width := 2 * length - if width > 0 { - if f.Space { - // Each element encoded by two hexadecimals will get a leading 0x or 0X. - if f.Sharp { - width *= 2 - } - // Elements will be separated by a space. - width += length - 1 - } else if f.Sharp { - // Only a leading 0x or 0X will be added for the whole string. - width += 2 - } - } else { // The byte slice or string that should be encoded is empty. - if f.WidthPresent { - f.writePadding(f.Width) - } - return - } - // Handle padding to the left. - if f.WidthPresent && f.Width > width && !f.Minus { - f.writePadding(f.Width - width) - } - // Write the encoding directly into the output buffer. - buf := f.buf - if f.Sharp { - // Add leading 0x or 0X. - buf.WriteByte('0') - buf.WriteByte(digits[16]) - } - var c byte - for i := 0; i < length; i++ { - if f.Space && i > 0 { - // Separate elements with a space. - buf.WriteByte(' ') - if f.Sharp { - // Add leading 0x or 0X for each element. - buf.WriteByte('0') - buf.WriteByte(digits[16]) - } - } - if b != nil { - c = b[i] // Take a byte from the input byte slice. - } else { - c = s[i] // Take a byte from the input string. - } - // Encode each byte as two hexadecimal digits. - buf.WriteByte(digits[c>>4]) - buf.WriteByte(digits[c&0xF]) - } - // Handle padding to the right. - if f.WidthPresent && f.Width > width && f.Minus { - f.writePadding(f.Width - width) - } -} - -// fmt_sx formats a string as a hexadecimal encoding of its bytes. -func (f *formatInfo) fmt_sx(s, digits string) { - f.fmt_sbx(s, nil, digits) -} - -// fmt_bx formats a byte slice as a hexadecimal encoding of its bytes. -func (f *formatInfo) fmt_bx(b []byte, digits string) { - f.fmt_sbx("", b, digits) -} - -// fmt_q formats a string as a double-quoted, escaped Go string constant. -// If f.sharp is set a raw (backquoted) string may be returned instead -// if the string does not contain any control characters other than tab. -func (f *formatInfo) fmt_q(s string) { - s = f.truncate(s) - if f.Sharp && strconv.CanBackquote(s) { - f.padString("`" + s + "`") - return - } - buf := f.intbuf[:0] - if f.Plus { - f.pad(strconv.AppendQuoteToASCII(buf, s)) - } else { - f.pad(strconv.AppendQuote(buf, s)) - } -} - -// fmt_c formats an integer as a Unicode character. -// If the character is not valid Unicode, it will print '\ufffd'. -func (f *formatInfo) fmt_c(c uint64) { - r := rune(c) - if c > utf8.MaxRune { - r = utf8.RuneError - } - buf := f.intbuf[:0] - w := utf8.EncodeRune(buf[:utf8.UTFMax], r) - f.pad(buf[:w]) -} - -// fmt_qc formats an integer as a single-quoted, escaped Go character constant. -// If the character is not valid Unicode, it will print '\ufffd'. -func (f *formatInfo) fmt_qc(c uint64) { - r := rune(c) - if c > utf8.MaxRune { - r = utf8.RuneError - } - buf := f.intbuf[:0] - if f.Plus { - f.pad(strconv.AppendQuoteRuneToASCII(buf, r)) - } else { - f.pad(strconv.AppendQuoteRune(buf, r)) - } -} - -// fmt_float formats a float64. It assumes that verb is a valid format specifier -// for strconv.AppendFloat and therefore fits into a byte. -func (f *formatInfo) fmt_float(v float64, size int, verb rune, prec int) { - // Explicit precision in format specifier overrules default precision. - if f.PrecPresent { - prec = f.Prec - } - // Format number, reserving space for leading + sign if needed. - num := strconv.AppendFloat(f.intbuf[:1], v, byte(verb), prec, size) - if num[1] == '-' || num[1] == '+' { - num = num[1:] - } else { - num[0] = '+' - } - // f.space means to add a leading space instead of a "+" sign unless - // the sign is explicitly asked for by f.plus. - if f.Space && num[0] == '+' && !f.Plus { - num[0] = ' ' - } - // Special handling for infinities and NaN, - // which don't look like a number so shouldn't be padded with zeros. - if num[1] == 'I' || num[1] == 'N' { - oldZero := f.Zero - f.Zero = false - // Remove sign before NaN if not asked for. - if num[1] == 'N' && !f.Space && !f.Plus { - num = num[1:] - } - f.pad(num) - f.Zero = oldZero - return - } - // The sharp flag forces printing a decimal point for non-binary formats - // and retains trailing zeros, which we may need to restore. - if f.Sharp && verb != 'b' { - digits := 0 - switch verb { - case 'v', 'g', 'G': - digits = prec - // If no precision is set explicitly use a precision of 6. - if digits == -1 { - digits = 6 - } - } - - // Buffer pre-allocated with enough room for - // exponent notations of the form "e+123". - var tailBuf [5]byte - tail := tailBuf[:0] - - hasDecimalPoint := false - // Starting from i = 1 to skip sign at num[0]. - for i := 1; i < len(num); i++ { - switch num[i] { - case '.': - hasDecimalPoint = true - case 'e', 'E': - tail = append(tail, num[i:]...) - num = num[:i] - default: - digits-- - } - } - if !hasDecimalPoint { - num = append(num, '.') - } - for digits > 0 { - num = append(num, '0') - digits-- - } - num = append(num, tail...) - } - // We want a sign if asked for and if the sign is not positive. - if f.Plus || num[0] != '+' { - // If we're zero padding to the left we want the sign before the leading zeros. - // Achieve this by writing the sign out and then padding the unsigned number. - if f.Zero && f.WidthPresent && f.Width > len(num) { - f.buf.WriteByte(num[0]) - f.writePadding(f.Width - len(num)) - f.buf.Write(num[1:]) - return - } - f.pad(num) - return - } - // No sign to show and the number is positive; just print the unsigned number. - f.pad(num[1:]) -} -- cgit v1.2.3