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Godeps, vendor: convert dependency management to trash (#3198)

Browse Source 
This commit converts the dependency management from Godeps to the vendor
folder, also switching the tool from godep to trash. Since the upstream tool
lacks a few features proposed via a few PRs, until those PRs are merged in
(if), use github.com/karalabe/trash.

You can update dependencies via trash --update.

All dependencies have been updated to their latest version.

Parts of the build system are reworked to drop old notions of Godeps and
invocation of the go vet command so that it doesn't run against the vendor
folder, as that will just blow up during vetting.

The conversion drops OpenCL (and hence GPU mining support) from ethash and our
codebase. The short reasoning is that there's noone to maintain and having
opencl libs in our deps messes up builds as go install ./... tries to build
them, failing with unsatisfied link errors for the C OpenCL deps.

golang.org/x/net/context is not vendored in. We expect it to be fetched by the
user (i.e. using go get). To keep ci.go builds reproducible the package is
"vendored" in build/_vendor.
This commit is contained in:
Péter Szilágyi
2016-10-28 20:05:01 +03:00
committed by Felix Lange
parent 7770304576
commit 289b30715d
886 changed files with 23194 additions and 32856 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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vendor/github.com/mattn/go-runewidth/.travis.yml generated vendored Normal file
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language: go
go:
- tip
before_install:
- go get github.com/mattn/goveralls
- go get golang.org/x/tools/cmd/cover
script:
- $HOME/gopath/bin/goveralls -repotoken lAKAWPzcGsD3A8yBX3BGGtRUdJ6CaGERL

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vendor/github.com/mattn/go-runewidth/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2016 Yasuhiro Matsumoto
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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vendor/github.com/mattn/go-runewidth/README.mkd generated vendored Normal file
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go-runewidth
============
[![Build Status](https://travis-ci.org/mattn/go-runewidth.png?branch=master)](https://travis-ci.org/mattn/go-runewidth)
[![Coverage Status](https://coveralls.io/repos/mattn/go-runewidth/badge.png?branch=HEAD)](https://coveralls.io/r/mattn/go-runewidth?branch=HEAD)
[![GoDoc](https://godoc.org/github.com/mattn/go-runewidth?status.svg)](http://godoc.org/github.com/mattn/go-runewidth)
[![Go Report Card](https://goreportcard.com/badge/github.com/mattn/go-runewidth)](https://goreportcard.com/report/github.com/mattn/go-runewidth)
Provides functions to get fixed width of the character or string.
Usage
-----
```go
runewidth.StringWidth("つのだ☆HIRO") == 12
```
Author
------
Yasuhiro Matsumoto
License
-------
under the MIT License: http://mattn.mit-license.org/2013

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vendor/github.com/mattn/go-runewidth/runewidth.go generated vendored Normal file
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package runewidth
var (
// EastAsianWidth will be set true if the current locale is CJK
EastAsianWidth = IsEastAsian()
// DefaultCondition is a condition in current locale
DefaultCondition = &Condition{EastAsianWidth}
)
type interval struct {
first rune
last rune
}
var combining = []interval{
{0x0300, 0x036F}, {0x0483, 0x0486}, {0x0488, 0x0489},
{0x0591, 0x05BD}, {0x05BF, 0x05BF}, {0x05C1, 0x05C2},
{0x05C4, 0x05C5}, {0x05C7, 0x05C7}, {0x0600, 0x0603},
{0x0610, 0x0615}, {0x064B, 0x065E}, {0x0670, 0x0670},
{0x06D6, 0x06E4}, {0x06E7, 0x06E8}, {0x06EA, 0x06ED},
{0x070F, 0x070F}, {0x0711, 0x0711}, {0x0730, 0x074A},
{0x07A6, 0x07B0}, {0x07EB, 0x07F3}, {0x0901, 0x0902},
{0x093C, 0x093C}, {0x0941, 0x0948}, {0x094D, 0x094D},
{0x0951, 0x0954}, {0x0962, 0x0963}, {0x0981, 0x0981},
{0x09BC, 0x09BC}, {0x09C1, 0x09C4}, {0x09CD, 0x09CD},
{0x09E2, 0x09E3}, {0x0A01, 0x0A02}, {0x0A3C, 0x0A3C},
{0x0A41, 0x0A42}, {0x0A47, 0x0A48}, {0x0A4B, 0x0A4D},
{0x0A70, 0x0A71}, {0x0A81, 0x0A82}, {0x0ABC, 0x0ABC},
{0x0AC1, 0x0AC5}, {0x0AC7, 0x0AC8}, {0x0ACD, 0x0ACD},
{0x0AE2, 0x0AE3}, {0x0B01, 0x0B01}, {0x0B3C, 0x0B3C},
{0x0B3F, 0x0B3F}, {0x0B41, 0x0B43}, {0x0B4D, 0x0B4D},
{0x0B56, 0x0B56}, {0x0B82, 0x0B82}, {0x0BC0, 0x0BC0},
{0x0BCD, 0x0BCD}, {0x0C3E, 0x0C40}, {0x0C46, 0x0C48},
{0x0C4A, 0x0C4D}, {0x0C55, 0x0C56}, {0x0CBC, 0x0CBC},
{0x0CBF, 0x0CBF}, {0x0CC6, 0x0CC6}, {0x0CCC, 0x0CCD},
{0x0CE2, 0x0CE3}, {0x0D41, 0x0D43}, {0x0D4D, 0x0D4D},
{0x0DCA, 0x0DCA}, {0x0DD2, 0x0DD4}, {0x0DD6, 0x0DD6},
{0x0E31, 0x0E31}, {0x0E34, 0x0E3A}, {0x0E47, 0x0E4E},
{0x0EB1, 0x0EB1}, {0x0EB4, 0x0EB9}, {0x0EBB, 0x0EBC},
{0x0EC8, 0x0ECD}, {0x0F18, 0x0F19}, {0x0F35, 0x0F35},
{0x0F37, 0x0F37}, {0x0F39, 0x0F39}, {0x0F71, 0x0F7E},
{0x0F80, 0x0F84}, {0x0F86, 0x0F87}, {0x0F90, 0x0F97},
{0x0F99, 0x0FBC}, {0x0FC6, 0x0FC6}, {0x102D, 0x1030},
{0x1032, 0x1032}, {0x1036, 0x1037}, {0x1039, 0x1039},
{0x1058, 0x1059}, {0x1160, 0x11FF}, {0x135F, 0x135F},
{0x1712, 0x1714}, {0x1732, 0x1734}, {0x1752, 0x1753},
{0x1772, 0x1773}, {0x17B4, 0x17B5}, {0x17B7, 0x17BD},
{0x17C6, 0x17C6}, {0x17C9, 0x17D3}, {0x17DD, 0x17DD},
{0x180B, 0x180D}, {0x18A9, 0x18A9}, {0x1920, 0x1922},
{0x1927, 0x1928}, {0x1932, 0x1932}, {0x1939, 0x193B},
{0x1A17, 0x1A18}, {0x1B00, 0x1B03}, {0x1B34, 0x1B34},
{0x1B36, 0x1B3A}, {0x1B3C, 0x1B3C}, {0x1B42, 0x1B42},
{0x1B6B, 0x1B73}, {0x1DC0, 0x1DCA}, {0x1DFE, 0x1DFF},
{0x200B, 0x200F}, {0x202A, 0x202E}, {0x2060, 0x2063},
{0x206A, 0x206F}, {0x20D0, 0x20EF}, {0x302A, 0x302F},
{0x3099, 0x309A}, {0xA806, 0xA806}, {0xA80B, 0xA80B},
{0xA825, 0xA826}, {0xFB1E, 0xFB1E}, {0xFE00, 0xFE0F},
{0xFE20, 0xFE23}, {0xFEFF, 0xFEFF}, {0xFFF9, 0xFFFB},
{0x10A01, 0x10A03}, {0x10A05, 0x10A06}, {0x10A0C, 0x10A0F},
{0x10A38, 0x10A3A}, {0x10A3F, 0x10A3F}, {0x1D167, 0x1D169},
{0x1D173, 0x1D182}, {0x1D185, 0x1D18B}, {0x1D1AA, 0x1D1AD},
{0x1D242, 0x1D244}, {0xE0001, 0xE0001}, {0xE0020, 0xE007F},
{0xE0100, 0xE01EF},
}
type ctype int
const (
narrow ctype = iota
ambiguous
wide
halfwidth
fullwidth
neutral
)
type intervalType struct {
first rune
last rune
ctype ctype
}
var ctypes = []intervalType{
{0x0020, 0x007E, narrow},
{0x00A1, 0x00A1, ambiguous},
{0x00A2, 0x00A3, narrow},
{0x00A4, 0x00A4, ambiguous},
{0x00A5, 0x00A6, narrow},
{0x00A7, 0x00A8, ambiguous},
{0x00AA, 0x00AA, ambiguous},
{0x00AC, 0x00AC, narrow},
{0x00AD, 0x00AE, ambiguous},
{0x00AF, 0x00AF, narrow},
{0x00B0, 0x00B4, ambiguous},
{0x00B6, 0x00BA, ambiguous},
{0x00BC, 0x00BF, ambiguous},
{0x00C6, 0x00C6, ambiguous},
{0x00D0, 0x00D0, ambiguous},
{0x00D7, 0x00D8, ambiguous},
{0x00DE, 0x00E1, ambiguous},
{0x00E6, 0x00E6, ambiguous},
{0x00E8, 0x00EA, ambiguous},
{0x00EC, 0x00ED, ambiguous},
{0x00F0, 0x00F0, ambiguous},
{0x00F2, 0x00F3, ambiguous},
{0x00F7, 0x00FA, ambiguous},
{0x00FC, 0x00FC, ambiguous},
{0x00FE, 0x00FE, ambiguous},
{0x0101, 0x0101, ambiguous},
{0x0111, 0x0111, ambiguous},
{0x0113, 0x0113, ambiguous},
{0x011B, 0x011B, ambiguous},
{0x0126, 0x0127, ambiguous},
{0x012B, 0x012B, ambiguous},
{0x0131, 0x0133, ambiguous},
{0x0138, 0x0138, ambiguous},
{0x013F, 0x0142, ambiguous},
{0x0144, 0x0144, ambiguous},
{0x0148, 0x014B, ambiguous},
{0x014D, 0x014D, ambiguous},
{0x0152, 0x0153, ambiguous},
{0x0166, 0x0167, ambiguous},
{0x016B, 0x016B, ambiguous},
{0x01CE, 0x01CE, ambiguous},
{0x01D0, 0x01D0, ambiguous},
{0x01D2, 0x01D2, ambiguous},
{0x01D4, 0x01D4, ambiguous},
{0x01D6, 0x01D6, ambiguous},
{0x01D8, 0x01D8, ambiguous},
{0x01DA, 0x01DA, ambiguous},
{0x01DC, 0x01DC, ambiguous},
{0x0251, 0x0251, ambiguous},
{0x0261, 0x0261, ambiguous},
{0x02C4, 0x02C4, ambiguous},
{0x02C7, 0x02C7, ambiguous},
{0x02C9, 0x02CB, ambiguous},
{0x02CD, 0x02CD, ambiguous},
{0x02D0, 0x02D0, ambiguous},
{0x02D8, 0x02DB, ambiguous},
{0x02DD, 0x02DD, ambiguous},
{0x02DF, 0x02DF, ambiguous},
{0x0300, 0x036F, ambiguous},
{0x0391, 0x03A2, ambiguous},
{0x03A3, 0x03A9, ambiguous},
{0x03B1, 0x03C1, ambiguous},
{0x03C3, 0x03C9, ambiguous},
{0x0401, 0x0401, ambiguous},
{0x0410, 0x044F, ambiguous},
{0x0451, 0x0451, ambiguous},
{0x1100, 0x115F, wide},
{0x2010, 0x2010, ambiguous},
{0x2013, 0x2016, ambiguous},
{0x2018, 0x2019, ambiguous},
{0x201C, 0x201D, ambiguous},
{0x2020, 0x2022, ambiguous},
{0x2024, 0x2027, ambiguous},
{0x2030, 0x2030, ambiguous},
{0x2032, 0x2033, ambiguous},
{0x2035, 0x2035, ambiguous},
{0x203B, 0x203B, ambiguous},
{0x203E, 0x203E, ambiguous},
{0x2074, 0x2074, ambiguous},
{0x207F, 0x207F, ambiguous},
{0x2081, 0x2084, ambiguous},
{0x20A9, 0x20A9, halfwidth},
{0x20AC, 0x20AC, ambiguous},
{0x2103, 0x2103, ambiguous},
{0x2105, 0x2105, ambiguous},
{0x2109, 0x2109, ambiguous},
{0x2113, 0x2113, ambiguous},
{0x2116, 0x2116, ambiguous},
{0x2121, 0x2122, ambiguous},
{0x2126, 0x2126, ambiguous},
{0x212B, 0x212B, ambiguous},
{0x2153, 0x2154, ambiguous},
{0x215B, 0x215E, ambiguous},
{0x2160, 0x216B, ambiguous},
{0x2170, 0x2179, ambiguous},
{0x2189, 0x218A, ambiguous},
{0x2190, 0x2199, ambiguous},
{0x21B8, 0x21B9, ambiguous},
{0x21D2, 0x21D2, ambiguous},
{0x21D4, 0x21D4, ambiguous},
{0x21E7, 0x21E7, ambiguous},
{0x2200, 0x2200, ambiguous},
{0x2202, 0x2203, ambiguous},
{0x2207, 0x2208, ambiguous},
{0x220B, 0x220B, ambiguous},
{0x220F, 0x220F, ambiguous},
{0x2211, 0x2211, ambiguous},
{0x2215, 0x2215, ambiguous},
{0x221A, 0x221A, ambiguous},
{0x221D, 0x2220, ambiguous},
{0x2223, 0x2223, ambiguous},
{0x2225, 0x2225, ambiguous},
{0x2227, 0x222C, ambiguous},
{0x222E, 0x222E, ambiguous},
{0x2234, 0x2237, ambiguous},
{0x223C, 0x223D, ambiguous},
{0x2248, 0x2248, ambiguous},
{0x224C, 0x224C, ambiguous},
{0x2252, 0x2252, ambiguous},
{0x2260, 0x2261, ambiguous},
{0x2264, 0x2267, ambiguous},
{0x226A, 0x226B, ambiguous},
{0x226E, 0x226F, ambiguous},
{0x2282, 0x2283, ambiguous},
{0x2286, 0x2287, ambiguous},
{0x2295, 0x2295, ambiguous},
{0x2299, 0x2299, ambiguous},
{0x22A5, 0x22A5, ambiguous},
{0x22BF, 0x22BF, ambiguous},
{0x2312, 0x2312, ambiguous},
{0x2329, 0x232A, wide},
{0x2460, 0x24E9, ambiguous},
{0x24EB, 0x254B, ambiguous},
{0x2550, 0x2573, ambiguous},
{0x2580, 0x258F, ambiguous},
{0x2592, 0x2595, ambiguous},
{0x25A0, 0x25A1, ambiguous},
{0x25A3, 0x25A9, ambiguous},
{0x25B2, 0x25B3, ambiguous},
{0x25B6, 0x25B7, ambiguous},
{0x25BC, 0x25BD, ambiguous},
{0x25C0, 0x25C1, ambiguous},
{0x25C6, 0x25C8, ambiguous},
{0x25CB, 0x25CB, ambiguous},
{0x25CE, 0x25D1, ambiguous},
{0x25E2, 0x25E5, ambiguous},
{0x25EF, 0x25EF, ambiguous},
{0x2605, 0x2606, ambiguous},
{0x2609, 0x2609, ambiguous},
{0x260E, 0x260F, ambiguous},
{0x2614, 0x2615, ambiguous},
{0x261C, 0x261C, ambiguous},
{0x261E, 0x261E, ambiguous},
{0x2640, 0x2640, ambiguous},
{0x2642, 0x2642, ambiguous},
{0x2660, 0x2661, ambiguous},
{0x2663, 0x2665, ambiguous},
{0x2667, 0x266A, ambiguous},
{0x266C, 0x266D, ambiguous},
{0x266F, 0x266F, ambiguous},
{0x269E, 0x269F, ambiguous},
{0x26BE, 0x26BF, ambiguous},
{0x26C4, 0x26CD, ambiguous},
{0x26CF, 0x26E1, ambiguous},
{0x26E3, 0x26E3, ambiguous},
{0x26E8, 0x26FF, ambiguous},
{0x273D, 0x273D, ambiguous},
{0x2757, 0x2757, ambiguous},
{0x2776, 0x277F, ambiguous},
{0x27E6, 0x27ED, narrow},
{0x2985, 0x2986, narrow},
{0x2B55, 0x2B59, ambiguous},
{0x2E80, 0x2E9A, wide},
{0x2E9B, 0x2EF4, wide},
{0x2F00, 0x2FD6, wide},
{0x2FF0, 0x2FFC, wide},
{0x3000, 0x3000, fullwidth},
{0x3001, 0x303E, wide},
{0x3041, 0x3097, wide},
{0x3099, 0x3100, wide},
{0x3105, 0x312E, wide},
{0x3131, 0x318F, wide},
{0x3190, 0x31BB, wide},
{0x31C0, 0x31E4, wide},
{0x31F0, 0x321F, wide},
{0x3220, 0x3247, wide},
{0x3248, 0x324F, ambiguous},
{0x3250, 0x32FF, wide},
{0x3300, 0x4DBF, wide},
{0x4E00, 0xA48D, wide},
{0xA490, 0xA4C7, wide},
{0xA960, 0xA97D, wide},
{0xAC00, 0xD7A4, wide},
{0xE000, 0xF8FF, ambiguous},
{0xF900, 0xFAFF, wide},
{0xFE00, 0xFE0F, ambiguous},
{0xFE10, 0xFE1A, wide},
{0xFE30, 0xFE53, wide},
{0xFE54, 0xFE67, wide},
{0xFE68, 0xFE6C, wide},
{0xFF01, 0xFF60, fullwidth},
{0xFF61, 0xFFBF, halfwidth},
{0xFFC2, 0xFFC8, halfwidth},
{0xFFCA, 0xFFD0, halfwidth},
{0xFFD2, 0xFFD8, halfwidth},
{0xFFDA, 0xFFDD, halfwidth},
{0xFFE0, 0xFFE7, fullwidth},
{0xFFE8, 0xFFEF, halfwidth},
{0xFFFD, 0xFFFE, ambiguous},
{0x1B000, 0x1B002, wide},
{0x1F100, 0x1F10A, ambiguous},
{0x1F110, 0x1F12D, ambiguous},
{0x1F130, 0x1F169, ambiguous},
{0x1F170, 0x1F19B, ambiguous},
{0x1F200, 0x1F203, wide},
{0x1F210, 0x1F23B, wide},
{0x1F240, 0x1F249, wide},
{0x1F250, 0x1F252, wide},
{0x20000, 0x2FFFE, wide},
{0x30000, 0x3FFFE, wide},
{0xE0100, 0xE01F0, ambiguous},
{0xF0000, 0xFFFFD, ambiguous},
{0x100000, 0x10FFFE, ambiguous},
}
// Condition have flag EastAsianWidth whether the current locale is CJK or not.
type Condition struct {
EastAsianWidth bool
}
// NewCondition return new instance of Condition which is current locale.
func NewCondition() *Condition {
return &Condition{EastAsianWidth}
}
// RuneWidth returns the number of cells in r.
// See http://www.unicode.org/reports/tr11/
func (c *Condition) RuneWidth(r rune) int {
if r == 0 {
return 0
}
if r < 32 || (r >= 0x7f && r < 0xa0) {
return 1
}
for _, iv := range combining {
if iv.first <= r && r <= iv.last {
return 0
}
}
if c.EastAsianWidth && IsAmbiguousWidth(r) {
return 2
}
if r >= 0x1100 &&
(r <= 0x115f || r == 0x2329 || r == 0x232a ||
(r >= 0x2e80 && r <= 0xa4cf && r != 0x303f) ||
(r >= 0xac00 && r <= 0xd7a3) ||
(r >= 0xf900 && r <= 0xfaff) ||
(r >= 0xfe30 && r <= 0xfe6f) ||
(r >= 0xff00 && r <= 0xff60) ||
(r >= 0xffe0 && r <= 0xffe6) ||
(r >= 0x20000 && r <= 0x2fffd) ||
(r >= 0x30000 && r <= 0x3fffd)) {
return 2
}
return 1
}
// StringWidth return width as you can see
func (c *Condition) StringWidth(s string) (width int) {
for _, r := range []rune(s) {
width += c.RuneWidth(r)
}
return width
}
// Truncate return string truncated with w cells
func (c *Condition) Truncate(s string, w int, tail string) string {
if c.StringWidth(s) <= w {
return s
}
r := []rune(s)
tw := c.StringWidth(tail)
w -= tw
width := 0
i := 0
for ; i < len(r); i++ {
cw := c.RuneWidth(r[i])
if width+cw > w {
break
}
width += cw
}
return string(r[0:i]) + tail
}
// Wrap return string wrapped with w cells
func (c *Condition) Wrap(s string, w int) string {
width := 0
out := ""
for _, r := range []rune(s) {
cw := RuneWidth(r)
if r == '\n' {
out += string(r)
width = 0
continue
} else if width+cw > w {
out += "\n"
width = 0
out += string(r)
width += cw
continue
}
out += string(r)
width += cw
}
return out
}
// FillLeft return string filled in left by spaces in w cells
func (c *Condition) FillLeft(s string, w int) string {
width := c.StringWidth(s)
count := w - width
if count > 0 {
b := make([]byte, count)
for i := range b {
b[i] = ' '
}
return string(b) + s
}
return s
}
// FillRight return string filled in left by spaces in w cells
func (c *Condition) FillRight(s string, w int) string {
width := c.StringWidth(s)
count := w - width
if count > 0 {
b := make([]byte, count)
for i := range b {
b[i] = ' '
}
return s + string(b)
}
return s
}
// RuneWidth returns the number of cells in r.
// See http://www.unicode.org/reports/tr11/
func RuneWidth(r rune) int {
return DefaultCondition.RuneWidth(r)
}
func ct(r rune) ctype {
for _, iv := range ctypes {
if iv.first <= r && r <= iv.last {
return iv.ctype
}
}
return neutral
}
// IsAmbiguousWidth returns whether is ambiguous width or not.
func IsAmbiguousWidth(r rune) bool {
return ct(r) == ambiguous
}
// IsNeutralWidth returns whether is neutral width or not.
func IsNeutralWidth(r rune) bool {
return ct(r) == neutral
}
// StringWidth return width as you can see
func StringWidth(s string) (width int) {
return DefaultCondition.StringWidth(s)
}
// Truncate return string truncated with w cells
func Truncate(s string, w int, tail string) string {
return DefaultCondition.Truncate(s, w, tail)
}
// Wrap return string wrapped with w cells
func Wrap(s string, w int) string {
return DefaultCondition.Wrap(s, w)
}
// FillLeft return string filled in left by spaces in w cells
func FillLeft(s string, w int) string {
return DefaultCondition.FillLeft(s, w)
}
// FillRight return string filled in left by spaces in w cells
func FillRight(s string, w int) string {
return DefaultCondition.FillRight(s, w)
}

8
vendor/github.com/mattn/go-runewidth/runewidth_js.go generated vendored Normal file
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// +build js
package runewidth
func IsEastAsian() bool {
// TODO: Implement this for the web. Detect east asian in a compatible way, and return true.
return false
}

77
vendor/github.com/mattn/go-runewidth/runewidth_posix.go generated vendored Normal file
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// +build !windows,!js
package runewidth
import (
"os"
"regexp"
"strings"
)
var reLoc = regexp.MustCompile(`^[a-z][a-z][a-z]?(?:_[A-Z][A-Z])?\.(.+)`)
var mblenTable = map[string]int{
"utf-8": 6,
"utf8": 6,
"jis": 8,
"eucjp": 3,
"euckr": 2,
"euccn": 2,
"sjis": 2,
"cp932": 2,
"cp51932": 2,
"cp936": 2,
"cp949": 2,
"cp950": 2,
"big5": 2,
"gbk": 2,
"gb2312": 2,
}
func isEastAsian(locale string) bool {
charset := strings.ToLower(locale)
r := reLoc.FindStringSubmatch(locale)
if len(r) == 2 {
charset = strings.ToLower(r[1])
}
if strings.HasSuffix(charset, "@cjk_narrow") {
return false
}
for pos, b := range []byte(charset) {
if b == '@' {
charset = charset[:pos]
break
}
}
max := 1
if m, ok := mblenTable[charset]; ok {
max = m
}
if max > 1 && (charset[0] != 'u' ||
strings.HasPrefix(locale, "ja") ||
strings.HasPrefix(locale, "ko") ||
strings.HasPrefix(locale, "zh")) {
return true
}
return false
}
// IsEastAsian return true if the current locale is CJK
func IsEastAsian() bool {
locale := os.Getenv("LC_CTYPE")
if locale == "" {
locale = os.Getenv("LANG")
}
// ignore C locale
if locale == "POSIX" || locale == "C" {
return false
}
if len(locale) > 1 && locale[0] == 'C' && (locale[1] == '.' || locale[1] == '-') {
return false
}
return isEastAsian(locale)
}

25
vendor/github.com/mattn/go-runewidth/runewidth_windows.go generated vendored Normal file
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package runewidth
import (
"syscall"
)
var (
kernel32 = syscall.NewLazyDLL("kernel32")
procGetConsoleOutputCP = kernel32.NewProc("GetConsoleOutputCP")
)
// IsEastAsian return true if the current locale is CJK
func IsEastAsian() bool {
r1, _, _ := procGetConsoleOutputCP.Call()
if r1 == 0 {
return false
}
switch int(r1) {
case 932, 51932, 936, 949, 950:
return true
}
return false
}