overflow_backup_2018_0455/compression_go
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compress

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+ string
This commit is contained in:
snoop 2017-03-29 15:11:46 +09:00
parent b183cec51f
commit 62f3644ba4
2 changed files with 14 additions and 6 deletions
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12
src/loafle.com/overflow/compression/compression.go
View File

@ -7,7 +7,15 @@ import (
"io/ioutil" "io/ioutil"
) )
func CompressDataGzip(data []byte) []byte { func CompressDataGzip(str string) []byte {
return CompressDataGzipByte([]byte(str))
}
func CompressDataGzipLevel(str string, level int) ([]byte, error) {
return CompressDataGzipLevelByte([]byte(str), level)
}
func CompressDataGzipByte(data []byte) []byte {
var b bytes.Buffer var b bytes.Buffer
w := gzip.NewWriter(&b) w := gzip.NewWriter(&b)
@ -16,7 +24,7 @@ func CompressDataGzip(data []byte) []byte {
return b.Bytes() return b.Bytes()
} }
func CompressDataGzipLevel(data []byte, level int) ([]byte, error) { func CompressDataGzipLevelByte(data []byte, level int) ([]byte, error) {
var b bytes.Buffer var b bytes.Buffer
w := gzip.NewWriter(&b) w := gzip.NewWriter(&b)

8
src/loafle.com/overflow/compression/compression_test.go
View File

@ -11,7 +11,7 @@ func TestCompress(t *testing.T) {
t.Logf("original length : %d \r\n", len(jsonStr)) t.Logf("original length : %d \r\n", len(jsonStr))
start := time.Now() start := time.Now()
bytes := CompressDataGzip([]byte(jsonStr)) bytes := CompressDataGzip(jsonStr)
elapsed := time.Since(start) elapsed := time.Since(start)
t.Logf("compress length : %d \r\n", len(bytes)) t.Logf("compress length : %d \r\n", len(bytes))
t.Log(elapsed) t.Log(elapsed)
@ -25,7 +25,7 @@ func TestCompressLevel(t *testing.T) {
level := 9 level := 9
t.Logf("original length : %d \r\n", len(jsonStr)) t.Logf("original length : %d \r\n", len(jsonStr))
start := time.Now() start := time.Now()
bytes, _ := CompressDataGzipLevel([]byte(jsonStr), level) bytes, _ := CompressDataGzipLevel(jsonStr, level)
elapsed := time.Since(start) elapsed := time.Since(start)
t.Logf("compress length : %d, level %d \r\n", len(bytes), level) t.Logf("compress length : %d, level %d \r\n", len(bytes), level)
t.Log(elapsed) t.Log(elapsed)
@ -36,7 +36,7 @@ func TestUnCompress(t *testing.T) {
jsonStr := "{ \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": { \"GlossEntry\": { \"ID\": \"SGML\", \"SortAs\": \"SGML\", \"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": { \"para\": \"A meta-markup language, used to create markup languages such as DocBook.\", \"GlossSeeAlso\": [\"GML\", \"XML\"]},\"GlossSee\": \"markup\"}}}}}" jsonStr := "{ \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": { \"GlossEntry\": { \"ID\": \"SGML\", \"SortAs\": \"SGML\", \"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": { \"para\": \"A meta-markup language, used to create markup languages such as DocBook.\", \"GlossSeeAlso\": [\"GML\", \"XML\"]},\"GlossSee\": \"markup\"}}}}}"
bytes := CompressDataGzip([]byte(jsonStr)) bytes := CompressDataGzip(jsonStr)
t.Logf("compress length : %d\r\n", len(bytes)) t.Logf("compress length : %d\r\n", len(bytes))
start := time.Now() start := time.Now()
@ -57,7 +57,7 @@ func TestUnCompressLevel(t *testing.T) {
jsonStr := "{ \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": { \"GlossEntry\": { \"ID\": \"SGML\", \"SortAs\": \"SGML\", \"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": { \"para\": \"A meta-markup language, used to create markup languages such as DocBook.\", \"GlossSeeAlso\": [\"GML\", \"XML\"]},\"GlossSee\": \"markup\"}}}}}" jsonStr := "{ \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": { \"GlossEntry\": { \"ID\": \"SGML\", \"SortAs\": \"SGML\", \"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": { \"para\": \"A meta-markup language, used to create markup languages such as DocBook.\", \"GlossSeeAlso\": [\"GML\", \"XML\"]},\"GlossSee\": \"markup\"}}}}}"
level := 9 level := 9
bytes, _ := CompressDataGzipLevel([]byte(jsonStr), level) bytes, _ := CompressDataGzipLevel(jsonStr, level)
t.Logf("compress length : %d, level %d\r\n", len(bytes), level) t.Logf("compress length : %d, level %d\r\n", len(bytes), level)
start := time.Now() start := time.Now()