Exemplo n.º 1
0
func diffMaps(dq *diffQueue, w io.Writer, p types.Path, v1, v2 types.Map) {
	wroteHeader := false

	added, removed, modified := v2.Diff(v1)
	for _, k := range added {
		wroteHeader = writeHeader(w, wroteHeader, p)
		line(w, addPrefix, k, v2.Get(k))
	}
	for _, k := range removed {
		wroteHeader = writeHeader(w, wroteHeader, p)
		line(w, subPrefix, k, v1.Get(k))
	}
	for _, k := range modified {
		c1, c2 := v1.Get(k), v2.Get(k)
		if canCompare(c1, c2) {
			buf := bytes.NewBuffer(nil)
			d.Exp.NoError(types.WriteEncodedValueWithTags(buf, k))
			p1 := p.AddField(buf.String())
			dq.PushBack(diffInfo{path: p1, key: k, v1: c1, v2: c2})
		} else {
			wroteHeader = writeHeader(w, wroteHeader, p)
			line(w, subPrefix, k, v1.Get(k))
			line(w, addPrefix, k, v2.Get(k))
		}
	}
	writeFooter(w, wroteHeader)
}
Exemplo n.º 2
0
func diffStructs(w io.Writer, p types.Path, v1, v2 types.Struct) {
	changeChan := make(chan types.ValueChanged)
	stopChan := make(chan struct{}, 1) // buffer size of 1, so this won't block if diff already finished

	defer stop(stopChan)
	go func() {
		v2.Diff(v1, changeChan, stopChan)
		close(changeChan)
	}()

	wroteHeader := false

	for change := range changeChan {
		fn := string(change.V.(types.String))
		switch change.ChangeType {
		case types.DiffChangeAdded:
			wroteHeader = writeHeader(w, wroteHeader, p)
			field(w, ADD, change.V, v2.Get(fn))
		case types.DiffChangeRemoved:
			wroteHeader = writeHeader(w, wroteHeader, p)
			field(w, DEL, change.V, v1.Get(fn))
		case types.DiffChangeModified:
			f1 := v1.Get(fn)
			f2 := v2.Get(fn)
			if shouldDescend(f1, f2) {
				diff(w, p.AddField(fn), types.String(fn), f1, f2)
			} else {
				wroteHeader = writeHeader(w, wroteHeader, p)
				field(w, DEL, change.V, f1)
				field(w, ADD, change.V, f2)
			}
		}
	}
	writeFooter(w, wroteHeader)
}
Exemplo n.º 3
0
func diffStructs(dq *diffQueue, w io.Writer, p types.Path, v1, v2 types.Struct) {
	changed := types.StructDiff(v1, v2)
	wroteHeader := false
	for _, field := range changed {
		f1 := v1.Get(field)
		f2 := v2.Get(field)
		if canCompare(f1, f2) {
			p1 := p.AddField(field)
			dq.PushBack(diffInfo{path: p1, key: types.String(field), v1: f1, v2: f2})
		} else {
			wroteHeader = writeHeader(w, wroteHeader, p)
			line(w, subPrefix, types.String(field), f1)
			line(w, addPrefix, types.String(field), f2)
		}
	}
}
Exemplo n.º 4
0
func diffSets(dq *diffQueue, w io.Writer, p types.Path, v1, v2 types.Set) {
	wroteHeader := false
	added, removed := v2.Diff(v1)
	if len(added) == 1 && len(removed) == 1 && canCompare(added[0], removed[0]) {
		p1 := p.AddField(added[0].Hash().String())
		dq.PushBack(diffInfo{path: p1, key: types.String(""), v1: removed[0], v2: added[0]})
	} else {
		for _, value := range removed {
			wroteHeader = writeHeader(w, wroteHeader, p)
			line(w, subPrefix, nil, value)
		}
		for _, value := range added {
			wroteHeader = writeHeader(w, wroteHeader, p)
			line(w, addPrefix, nil, value)
		}
	}
	writeFooter(w, wroteHeader)
	return
}