aboutsummaryrefslogtreecommitdiff
path: root/cmp/report_slices.go
diff options
context:
space:
mode:
Diffstat (limited to 'cmp/report_slices.go')
-rw-r--r--cmp/report_slices.go25
1 files changed, 13 insertions, 12 deletions
diff --git a/cmp/report_slices.go b/cmp/report_slices.go
index 68b5c1a..23e444f 100644
--- a/cmp/report_slices.go
+++ b/cmp/report_slices.go
@@ -104,7 +104,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
case t.Kind() == reflect.String:
sx, sy = vx.String(), vy.String()
isString = true
- case t.Kind() == reflect.Slice && t.Elem() == reflect.TypeOf(byte(0)):
+ case t.Kind() == reflect.Slice && t.Elem() == byteType:
sx, sy = string(vx.Bytes()), string(vy.Bytes())
isString = true
case t.Kind() == reflect.Array:
@@ -147,7 +147,10 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
})
efficiencyLines := float64(esLines.Dist()) / float64(len(esLines))
efficiencyBytes := float64(esBytes.Dist()) / float64(len(esBytes))
- isPureLinedText = efficiencyLines < 4*efficiencyBytes
+ quotedLength := len(strconv.Quote(sx + sy))
+ unquotedLength := len(sx) + len(sy)
+ escapeExpansionRatio := float64(quotedLength) / float64(unquotedLength)
+ isPureLinedText = efficiencyLines < 4*efficiencyBytes || escapeExpansionRatio > 1.1
}
}
@@ -171,12 +174,13 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
// differences in a string literal. This format is more readable,
// but has edge-cases where differences are visually indistinguishable.
// This format is avoided under the following conditions:
- // • A line starts with `"""`
- // • A line starts with "..."
- // • A line contains non-printable characters
- // • Adjacent different lines differ only by whitespace
+ // - A line starts with `"""`
+ // - A line starts with "..."
+ // - A line contains non-printable characters
+ // - Adjacent different lines differ only by whitespace
//
// For example:
+ //
// """
// ... // 3 identical lines
// foo
@@ -231,7 +235,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
var out textNode = &textWrap{Prefix: "(", Value: list2, Suffix: ")"}
switch t.Kind() {
case reflect.String:
- if t != reflect.TypeOf(string("")) {
+ if t != stringType {
out = opts.FormatType(t, out)
}
case reflect.Slice:
@@ -326,12 +330,12 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
switch t.Kind() {
case reflect.String:
out = &textWrap{Prefix: "strings.Join(", Value: out, Suffix: fmt.Sprintf(", %q)", delim)}
- if t != reflect.TypeOf(string("")) {
+ if t != stringType {
out = opts.FormatType(t, out)
}
case reflect.Slice:
out = &textWrap{Prefix: "bytes.Join(", Value: out, Suffix: fmt.Sprintf(", %q)", delim)}
- if t != reflect.TypeOf([]byte(nil)) {
+ if t != bytesType {
out = opts.FormatType(t, out)
}
}
@@ -446,7 +450,6 @@ func (opts formatOptions) formatDiffSlice(
// {NumIdentical: 3},
// {NumInserted: 1},
// ]
-//
func coalesceAdjacentEdits(name string, es diff.EditScript) (groups []diffStats) {
var prevMode byte
lastStats := func(mode byte) *diffStats {
@@ -503,7 +506,6 @@ func coalesceAdjacentEdits(name string, es diff.EditScript) (groups []diffStats)
// {NumIdentical: 8, NumRemoved: 12, NumInserted: 3},
// {NumIdentical: 63},
// ]
-//
func coalesceInterveningIdentical(groups []diffStats, windowSize int) []diffStats {
groups, groupsOrig := groups[:0], groups
for i, ds := range groupsOrig {
@@ -548,7 +550,6 @@ func coalesceInterveningIdentical(groups []diffStats, windowSize int) []diffStat
// {NumRemoved: 9},
// {NumIdentical: 64}, // incremented by 10
// ]
-//
func cleanupSurroundingIdentical(groups []diffStats, eq func(i, j int) bool) []diffStats {
var ix, iy int // indexes into sequence x and y
for i, ds := range groups {