Пример #1
0
// NewMatcher returns a new Matcher
func NewMatcher(patternBuilder func([]rune) *Pattern,
	sort bool, tac bool, eventBox *util.EventBox) *Matcher {
	partitions := util.Min(numPartitionsMultiplier*runtime.NumCPU(), maxPartitions)
	return &Matcher{
		patternBuilder: patternBuilder,
		sort:           sort,
		tac:            tac,
		eventBox:       eventBox,
		reqBox:         util.NewEventBox(),
		partitions:     partitions,
		slab:           make([]*util.Slab, partitions),
		mergerCache:    make(map[string]*Merger)}
}
Пример #2
0
func buildResult(item *Item, offsets []Offset, score int, trimLen int) *Result {
	if len(offsets) > 1 {
		sort.Sort(ByOrder(offsets))
	}

	result := Result{item: item, rank: rank{index: item.index}}
	numChars := item.text.Length()
	minBegin := math.MaxUint16
	maxEnd := 0
	validOffsetFound := false
	for _, offset := range offsets {
		b, e := int(offset[0]), int(offset[1])
		if b < e {
			minBegin = util.Min(b, minBegin)
			maxEnd = util.Max(e, maxEnd)
			validOffsetFound = true
		}
	}

	for idx, criterion := range sortCriteria {
		val := uint16(math.MaxUint16)
		switch criterion {
		case byScore:
			// Higher is better
			val = math.MaxUint16 - util.AsUint16(score)
		case byLength:
			// If offsets is empty, trimLen will be 0, but we don't care
			val = util.AsUint16(trimLen)
		case byBegin, byEnd:
			if validOffsetFound {
				whitePrefixLen := 0
				for idx := 0; idx < numChars; idx++ {
					r := item.text.Get(idx)
					whitePrefixLen = idx
					if idx == minBegin || !unicode.IsSpace(r) {
						break
					}
				}
				if criterion == byBegin {
					val = util.AsUint16(minBegin - whitePrefixLen)
				} else {
					val = util.AsUint16(math.MaxUint16 - math.MaxUint16*(maxEnd-whitePrefixLen)/trimLen)
				}
			}
		}
		result.rank.points[idx] = val
	}

	return &result
}
Пример #3
0
func (t *Terminal) printHighlighted(result *Result, attr tui.Attr, col1 tui.ColorPair, col2 tui.ColorPair, current bool) {
	item := result.item

	// Overflow
	text := make([]rune, item.text.Length())
	copy(text, item.text.ToRunes())
	matchOffsets := []Offset{}
	var pos *[]int
	if t.merger.pattern != nil {
		_, matchOffsets, pos = t.merger.pattern.MatchItem(item, true, t.slab)
	}
	charOffsets := matchOffsets
	if pos != nil {
		charOffsets = make([]Offset, len(*pos))
		for idx, p := range *pos {
			offset := Offset{int32(p), int32(p + 1)}
			charOffsets[idx] = offset
		}
		sort.Sort(ByOrder(charOffsets))
	}
	var maxe int
	for _, offset := range charOffsets {
		maxe = util.Max(maxe, int(offset[1]))
	}

	offsets := result.colorOffsets(charOffsets, t.theme, col2, attr, current)
	maxWidth := t.window.Width - 3
	maxe = util.Constrain(maxe+util.Min(maxWidth/2-2, t.hscrollOff), 0, len(text))
	if overflow(text, maxWidth) {
		if t.hscroll {
			// Stri..
			if !overflow(text[:maxe], maxWidth-2) {
				text, _ = trimRight(text, maxWidth-2)
				text = append(text, []rune("..")...)
			} else {
				// Stri..
				if overflow(text[maxe:], 2) {
					text = append(text[:maxe], []rune("..")...)
				}
				// ..ri..
				var diff int32
				text, diff = trimLeft(text, maxWidth-2)

				// Transform offsets
				for idx, offset := range offsets {
					b, e := offset.offset[0], offset.offset[1]
					b += 2 - diff
					e += 2 - diff
					b = util.Max32(b, 2)
					offsets[idx].offset[0] = b
					offsets[idx].offset[1] = util.Max32(b, e)
				}
				text = append([]rune(".."), text...)
			}
		} else {
			text, _ = trimRight(text, maxWidth-2)
			text = append(text, []rune("..")...)

			for idx, offset := range offsets {
				offsets[idx].offset[0] = util.Min32(offset.offset[0], int32(maxWidth-2))
				offsets[idx].offset[1] = util.Min32(offset.offset[1], int32(maxWidth))
			}
		}
	}

	var index int32
	var substr string
	var prefixWidth int
	maxOffset := int32(len(text))
	for _, offset := range offsets {
		b := util.Constrain32(offset.offset[0], index, maxOffset)
		e := util.Constrain32(offset.offset[1], index, maxOffset)

		substr, prefixWidth = processTabs(text[index:b], prefixWidth)
		t.window.CPrint(col1, attr, substr)

		if b < e {
			substr, prefixWidth = processTabs(text[b:e], prefixWidth)
			t.window.CPrint(offset.color, offset.attr, substr)
		}

		index = e
		if index >= maxOffset {
			break
		}
	}
	if index < maxOffset {
		substr, _ = processTabs(text[index:], prefixWidth)
		t.window.CPrint(col1, attr, substr)
	}
}
Пример #4
0
// NewTerminal returns new Terminal object
func NewTerminal(opts *Options, eventBox *util.EventBox) *Terminal {
	input := []rune(opts.Query)
	var header []string
	if opts.Reverse {
		header = opts.Header
	} else {
		header = reverseStringArray(opts.Header)
	}
	var delay time.Duration
	if opts.Tac {
		delay = initialDelayTac
	} else {
		delay = initialDelay
	}
	var previewBox *util.EventBox
	if len(opts.Preview.command) > 0 {
		previewBox = util.NewEventBox()
	}
	strongAttr := tui.Bold
	if !opts.Bold {
		strongAttr = tui.AttrRegular
	}
	var renderer tui.Renderer
	if opts.Height.size > 0 {
		maxHeightFunc := func(termHeight int) int {
			var maxHeight int
			if opts.Height.percent {
				maxHeight = util.Min(termHeight,
					util.Max(int(opts.Height.size*float64(termHeight)/100.0), opts.MinHeight))
			} else {
				maxHeight = util.Min(termHeight, int(opts.Height.size))
			}
			if opts.InlineInfo {
				return util.Max(maxHeight, minHeight-1)
			}
			return util.Max(maxHeight, minHeight)
		}
		renderer = tui.NewLightRenderer(opts.Theme, opts.Black, opts.Mouse, opts.Tabstop, maxHeightFunc)
	} else {
		renderer = tui.NewFullscreenRenderer(opts.Theme, opts.Black, opts.Mouse)
	}
	wordRubout := "[^[:alnum:]][[:alnum:]]"
	wordNext := "[[:alnum:]][^[:alnum:]]|(.$)"
	if opts.FileWord {
		sep := regexp.QuoteMeta(string(os.PathSeparator))
		wordRubout = fmt.Sprintf("%s[^%s]", sep, sep)
		wordNext = fmt.Sprintf("[^%s]%s|(.$)", sep, sep)
	}
	return &Terminal{
		initDelay:  delay,
		inlineInfo: opts.InlineInfo,
		prompt:     opts.Prompt,
		reverse:    opts.Reverse,
		hscroll:    opts.Hscroll,
		hscrollOff: opts.HscrollOff,
		wordRubout: wordRubout,
		wordNext:   wordNext,
		cx:         len(input),
		cy:         0,
		offset:     0,
		yanked:     []rune{},
		input:      input,
		multi:      opts.Multi,
		sort:       opts.Sort > 0,
		toggleSort: opts.ToggleSort,
		delimiter:  opts.Delimiter,
		expect:     opts.Expect,
		keymap:     opts.Keymap,
		execmap:    opts.Execmap,
		pressed:    "",
		printQuery: opts.PrintQuery,
		history:    opts.History,
		margin:     opts.Margin,
		strong:     strongAttr,
		cycle:      opts.Cycle,
		header:     header,
		header0:    header,
		ansi:       opts.Ansi,
		tabstop:    opts.Tabstop,
		reading:    true,
		jumping:    jumpDisabled,
		jumpLabels: opts.JumpLabels,
		printer:    opts.Printer,
		merger:     EmptyMerger,
		selected:   make(map[int32]selectedItem),
		reqBox:     util.NewEventBox(),
		preview:    opts.Preview,
		previewer:  previewer{"", 0, 0, previewBox != nil && !opts.Preview.hidden},
		previewBox: previewBox,
		eventBox:   eventBox,
		mutex:      sync.Mutex{},
		suppress:   true,
		slab:       util.MakeSlab(slab16Size, slab32Size),
		theme:      opts.Theme,
		startChan:  make(chan bool, 1),
		tui:        renderer,
		initFunc:   func() { renderer.Init() }}
}
Пример #5
0
func (t *Terminal) printHighlighted(item *Item, bold bool, col1 int, col2 int, current bool) {
	var maxe int
	for _, offset := range item.offsets {
		maxe = util.Max(maxe, int(offset[1]))
	}

	// Overflow
	text := make([]rune, len(item.text))
	copy(text, item.text)
	offsets := item.colorOffsets(col2, bold, current)
	maxWidth := C.MaxX() - 3 - t.marginInt[1] - t.marginInt[3]
	maxe = util.Constrain(maxe+util.Min(maxWidth/2-2, t.hscrollOff), 0, len(text))
	fullWidth := displayWidth(text)
	if fullWidth > maxWidth {
		if t.hscroll {
			// Stri..
			matchEndWidth := displayWidth(text[:maxe])
			if matchEndWidth <= maxWidth-2 {
				text, _ = trimRight(text, maxWidth-2)
				text = append(text, []rune("..")...)
			} else {
				// Stri..
				if matchEndWidth < fullWidth-2 {
					text = append(text[:maxe], []rune("..")...)
				}
				// ..ri..
				var diff int32
				text, diff = trimLeft(text, maxWidth-2)

				// Transform offsets
				for idx, offset := range offsets {
					b, e := offset.offset[0], offset.offset[1]
					b += 2 - diff
					e += 2 - diff
					b = util.Max32(b, 2)
					offsets[idx].offset[0] = b
					offsets[idx].offset[1] = util.Max32(b, e)
				}
				text = append([]rune(".."), text...)
			}
		} else {
			text, _ = trimRight(text, maxWidth-2)
			text = append(text, []rune("..")...)

			for idx, offset := range offsets {
				offsets[idx].offset[0] = util.Min32(offset.offset[0], int32(maxWidth-2))
				offsets[idx].offset[1] = util.Min32(offset.offset[1], int32(maxWidth))
			}
		}
	}

	var index int32
	var substr string
	var prefixWidth int
	maxOffset := int32(len(text))
	for _, offset := range offsets {
		b := util.Constrain32(offset.offset[0], index, maxOffset)
		e := util.Constrain32(offset.offset[1], index, maxOffset)

		substr, prefixWidth = processTabs(text[index:b], prefixWidth)
		C.CPrint(col1, bold, substr)

		if b < e {
			substr, prefixWidth = processTabs(text[b:e], prefixWidth)
			C.CPrint(offset.color, offset.bold, substr)
		}

		index = e
		if index >= maxOffset {
			break
		}
	}
	if index < maxOffset {
		substr, _ = processTabs(text[index:], prefixWidth)
		C.CPrint(col1, bold, substr)
	}
}