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This commit is contained in:
Junegunn Choi
2015-01-12 03:01:24 +09:00
parent 9dbf6b02d2
commit 7a2bc2cada
24 changed files with 478 additions and 405 deletions
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31
src/matcher.go
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@@ -8,11 +8,13 @@ import (
"time"
)
// MatchRequest represents a search request
type MatchRequest struct {
chunks []*Chunk
pattern *Pattern
}
// Matcher is responsible for performing search
type Matcher struct {
patternBuilder func([]rune) *Pattern
sort bool
@@ -23,20 +25,15 @@ type Matcher struct {
}
const (
REQ_RETRY EventType = iota
REQ_RESET
reqRetry EventType = iota
reqReset
)
const (
STAT_CANCELLED int = iota
STAT_QCH
STAT_CHUNKS
)
const (
PROGRESS_MIN_DURATION = 200 * time.Millisecond
progressMinDuration = 200 * time.Millisecond
)
// NewMatcher returns a new Matcher
func NewMatcher(patternBuilder func([]rune) *Pattern,
sort bool, eventBox *EventBox) *Matcher {
return &Matcher{
@@ -48,6 +45,7 @@ func NewMatcher(patternBuilder func([]rune) *Pattern,
mergerCache: make(map[string]*Merger)}
}
// Loop puts Matcher in action
func (m *Matcher) Loop() {
prevCount := 0
@@ -91,7 +89,7 @@ func (m *Matcher) Loop() {
if !cancelled {
m.mergerCache[patternString] = merger
m.eventBox.Set(EVT_SEARCH_FIN, merger)
m.eventBox.Set(EvtSearchFin, merger)
}
}
}
@@ -172,7 +170,7 @@ func (m *Matcher) scan(request MatchRequest, limit int) (*Merger, bool) {
count := 0
matchCount := 0
for matchesInChunk := range countChan {
count += 1
count++
matchCount += matchesInChunk
if limit > 0 && matchCount > limit {
@@ -183,12 +181,12 @@ func (m *Matcher) scan(request MatchRequest, limit int) (*Merger, bool) {
break
}
if !empty && m.reqBox.Peak(REQ_RESET) {
if !empty && m.reqBox.Peak(reqReset) {
return nil, wait()
}
if time.Now().Sub(startedAt) > PROGRESS_MIN_DURATION {
m.eventBox.Set(EVT_SEARCH_PROGRESS, float32(count)/float32(numChunks))
if time.Now().Sub(startedAt) > progressMinDuration {
m.eventBox.Set(EvtSearchProgress, float32(count)/float32(numChunks))
}
}
@@ -200,14 +198,15 @@ func (m *Matcher) scan(request MatchRequest, limit int) (*Merger, bool) {
return NewMerger(partialResults, !empty && m.sort), false
}
// Reset is called to interrupt/signal the ongoing search
func (m *Matcher) Reset(chunks []*Chunk, patternRunes []rune, cancel bool) {
pattern := m.patternBuilder(patternRunes)
var event EventType
if cancel {
event = REQ_RESET
event = reqReset
} else {
event = REQ_RETRY
event = reqRetry
}
m.reqBox.Set(event, MatchRequest{chunks, pattern})
}