How to use Tags method of formatter Package

Best Gauge code snippet using formatter.Tags

encryptedformatter.go

Source:encryptedformatter.go

...76	if err != nil {77		return "", nil, nil, fmt.Errorf("failed to get structured document from encrypted document bytes: %w", err)78	}79	return structuredDocument.Content.UnformattedKey, structuredDocument.Content.UnformattedValue,80		structuredDocument.Content.UnformattedTags, nil81}82// UsesDeterministicKeyFormatting indicates whether this encrypted formatter will produce deterministic or random83// document IDs. See the WithDeterministicDocumentIDs option near the top of this file for more information.84func (e *EncryptedFormatter) UsesDeterministicKeyFormatting() bool {85	return e.useDeterministicDocumentIDs86}87func (e *EncryptedFormatter) format(keyAndTagPrefix, key string, value []byte, tags ...spi.Tag) (string, []byte,88	[]spi.Tag, error) {89	var documentID string90	var err error91	if e.useDeterministicDocumentIDs {92		documentID, err = e.generateDeterministicDocumentID(keyAndTagPrefix, key)93		if err != nil {94			return "", nil, nil, fmt.Errorf("failed to format key into an encrypted document ID: %w", err)95		}96	} else {97		documentID, err = generateRandomDocumentID()98		if err != nil {99			return "", nil, nil, fmt.Errorf("failed to generate EDV-compatible ID: %w", err)100		}101	}102	formattedTags, err := e.formatTags(keyAndTagPrefix, tags)103	if err != nil {104		return "", nil, nil, fmt.Errorf("failed to format tags: %w", err)105	}106	var formattedValue []byte107	if documentID != "" {108		// Since the formatted tag are hashes and can't be reversed, the only way we can retrieve109		// the unformatted tags later is to embed them in the stored value.110		formattedValue, err = e.formatValue(key, documentID, value, tags, formattedTags)111		if err != nil {112			return "", nil, nil, fmt.Errorf("failed to format value: %w", err)113		}114	}115	return documentID, formattedValue, formattedTags, nil116}117func (e *EncryptedFormatter) getStructuredDocFromEncryptedDoc(118	encryptedDocBytes []byte) (structuredDocument, error) {119	var encryptedDocument encryptedDocument120	err := json.Unmarshal(encryptedDocBytes, &encryptedDocument)121	if err != nil {122		return structuredDocument{},123			fmt.Errorf("failed to unmarshal value into an encrypted document: %w", err)124	}125	encryptedJWE, err := jose.Deserialize(string(encryptedDocument.JWE))126	if err != nil {127		return structuredDocument{}, fmt.Errorf("failed to deserialize JWE: %w", err)128	}129	structuredDocumentBytes, err := e.jweDecrypter.Decrypt(encryptedJWE)130	if err != nil {131		return structuredDocument{}, fmt.Errorf("failed to decrypt JWE: %w", err)132	}133	var structuredDoc structuredDocument134	err = json.Unmarshal(structuredDocumentBytes, &structuredDoc)135	if err != nil {136		return structuredDocument{}, fmt.Errorf("failed to unmarshal structured document: %w", err)137	}138	return structuredDoc, nil139}140// Generates an encrypted document ID based off of key.141func (e *EncryptedFormatter) generateDeterministicDocumentID(prefix, key string) (string, error) {142	if key == "" {143		return "", nil144	}145	keyHash, err := e.macCrypto.ComputeMAC([]byte(prefix + key))146	if err != nil {147		return "", fmt.Errorf(`failed to compute MAC based on key "%s": %w`, key, err)148	}149	return base58.Encode(keyHash[0:16]), nil150}151func generateRandomDocumentID() (string, error) {152	randomBytes := make([]byte, 16)153	_, err := rand.Read(randomBytes)154	if err != nil {155		return "", fmt.Errorf("failed to generate random bytes: %w", err)156	}157	return base58.Encode(randomBytes), nil158}159func (e *EncryptedFormatter) formatTags(tagNamePrefix string, tags []spi.Tag) ([]spi.Tag, error) {160	formattedTags := make([]spi.Tag, len(tags))161	for i, tag := range tags {162		formattedTag, err := e.formatTag(tagNamePrefix, tag)163		if err != nil {164			return nil, fmt.Errorf("failed to format tag: %w", err)165		}166		formattedTags[i] = formattedTag167	}168	return formattedTags, nil169}170func (e *EncryptedFormatter) formatTag(tagNamePrefix string, tag spi.Tag) (spi.Tag, error) {171	tagNameMAC, err := e.macCrypto.ComputeMAC([]byte(tagNamePrefix + tag.Name))172	if err != nil {173		return spi.Tag{}, fmt.Errorf(`failed to compute MAC for tag name "%s": %w`, tag.Name, err)174	}175	formattedTagName := base64.URLEncoding.EncodeToString(tagNameMAC)176	var formattedTagValue string177	if tag.Value != "" {178		tagValueMAC, err := e.macCrypto.ComputeMAC([]byte(tag.Value))179		if err != nil {180			return spi.Tag{}, fmt.Errorf(`failed to compute MAC for tag value "%s": %w`, tag.Value, err)181		}182		formattedTagValue = base64.URLEncoding.EncodeToString(tagValueMAC)183	}184	return spi.Tag{185		Name:  formattedTagName,186		Value: formattedTagValue,187	}, nil188}189func (e *EncryptedFormatter) formatValue(key, documentID string, value []byte,190	tags, formattedTags []spi.Tag) ([]byte, error) {191	var formattedValue []byte192	if value != nil {193		// Since the formatted key and tags are hashes and can't be reversed, the only way we can retrieve the194		// unformatted key and tags later is to embed them in the structured document.195		structuredDoc := createStructuredDocument(key, value, tags)196		structuredDocumentBytes, err := json.Marshal(structuredDoc)197		if err != nil {198			return nil, fmt.Errorf(`failed to marshal structured document into bytes: %w`, err)199		}200		jwe, err := e.jweEncrypter.Encrypt(structuredDocumentBytes)201		if err != nil {202			return nil, fmt.Errorf(`failed to encrypt structured document bytes: %w`, err)203		}204		serializedJWE, err := jwe.FullSerialize(json.Marshal)205		if err != nil {206			return nil, fmt.Errorf(`failed to serialize JWE: %w`, err)207		}208		indexedAttributeCollections := e.convertToIndexedAttributeCollection(formattedTags)209		encryptedDoc := encryptedDocument{210			ID:                          documentID,211			IndexedAttributeCollections: indexedAttributeCollections,212			JWE:                         []byte(serializedJWE),213		}214		encryptedDocumentBytes, err := json.Marshal(encryptedDoc)215		if err != nil {216			return nil, fmt.Errorf("failed to marshal encrypted document into bytes: %w", err)217		}218		formattedValue = encryptedDocumentBytes219	}220	return formattedValue, nil221}222func createStructuredDocument(key string, value []byte, tags []spi.Tag) structuredDocument {223	structuredDocumentContent := content{224		UnformattedKey:   key,225		UnformattedValue: value,226	}227	if len(tags) != 0 {228		structuredDocumentContent.UnformattedTags = tags229	}230	// In the spec, Structured Documents have IDs, but they don't really seem to serve231	// any purpose - at least not for us.232	// We will omit it for now. https://github.com/decentralized-identity/confidential-storage/issues/163233	return structuredDocument{234		Content: structuredDocumentContent,235	}236}237func (e *EncryptedFormatter) convertToIndexedAttributeCollection(238	formattedTags []spi.Tag) []indexedAttributeCollection {239	indexedAttributes := make([]indexedAttribute, len(formattedTags))240	for i, formattedTag := range formattedTags {241		indexedAttributes[i] = indexedAttribute{242			Name:  formattedTag.Name,243			Value: formattedTag.Value,244		}245	}246	indexedAttrCollection := indexedAttributeCollection{247		HMAC:              idTypePair{},248		IndexedAttributes: indexedAttributes,249	}250	return []indexedAttributeCollection{indexedAttrCollection}251}...

format.go

Source:format.go

...85}86func (f *prometheusFormatter) formatCounter(buf *bytes.Buffer, c *stats.Counter) {87	name := f.formatMeticName(c.TagExtractedName())88	value := c.Value()89	tags := f.formatTags(c.Tags())90	if f.recordMetricType(name) {91		buf.WriteString(fmt.Sprintf("# TYPE %s counter\n", name))92	}93	buf.WriteString(fmt.Sprintf("%s{%s} %d\n", name, tags, value))94}95func (f *prometheusFormatter) formatGauge(buf *bytes.Buffer, g *stats.Gauge) {96	name := f.formatMeticName(g.TagExtractedName())97	value := g.Value()98	tags := f.formatTags(g.Tags())99	if f.recordMetricType(name) {100		buf.WriteString(fmt.Sprintf("# TYPE %s gauge\n", name))101	}102	buf.WriteString(fmt.Sprintf("%s{%s} %d\n", name, tags, value))103}104func (f *prometheusFormatter) formatHistogram(buf *bytes.Buffer, h *stats.Histogram) {105	name := f.formatMeticName(h.TagExtractedName())106	tags := f.formatTags(h.Tags())107	if f.recordMetricType(name) {108		buf.WriteString(fmt.Sprintf("# TYPE %s histogram\n", name))109	}110	hStats := h.CumulativeStatistics()111	f.formatHistogramValue(buf, name, tags, hStats)112}113func (f *prometheusFormatter) formatHistogramValue(buf *bytes.Buffer, name, tags string, hStats *stats.HistogramStatistics) {114	sbs := hStats.SupportedBuckets()115	cbs := hStats.ComputedBuckets()116	for i := 0; i < len(sbs); i++ {117		b := sbs[i]118		v := cbs[i]119		bucketTags := fmt.Sprintf("%s,le=\"%.8g\"", tags, b)120		// trim the comma prefix when tags is empty121		bucketTags = strings.TrimPrefix(bucketTags, ",")122		buf.WriteString(fmt.Sprintf("%s_bucket{%s} %d\n", name, bucketTags, v))123	}124	bucketTags := strings.TrimPrefix(fmt.Sprintf("%s,le=\"+Inf\"", tags), ",")125	buf.WriteString(fmt.Sprintf("%s_bucket{%s} %d\n", name, bucketTags, hStats.SampleCount()))126	buf.WriteString(fmt.Sprintf("%s_sum{%s} %.8g\n", name, tags, hStats.SampleSum()))127	buf.WriteString(fmt.Sprintf("%s_count{%s} %d\n", name, tags, hStats.SampleCount()))128}129func (f *prometheusFormatter) recordMetricType(metricName string) bool {130	if _, ok := f.metricTypes[metricName]; ok {131		return false132	}133	f.metricTypes[metricName] = struct{}{}134	return true135}136func (f *prometheusFormatter) formatMeticName(name string) string {137	// A metric name should have a (single-word) application prefix relevant to138	// the domain the metric belongs to.139	// Refer to https://prometheus.io/docs/practices/naming/#metric-names140	return f.sanitizeName(fmt.Sprintf("%s_%s", f.namespace, name))141}142func (f *prometheusFormatter) formatTags(tags []*stats.Tag) string {143	res := make([]string, len(tags))144	for i, tag := range tags {145		res[i] = fmt.Sprintf("%s=\"%s\"", f.sanitizeName(tag.Name), tag.Value)146	}147	return strings.Join(res, ",")148}149func (f *prometheusFormatter) sanitizeName(name string) string {150	// The name must match the regex [a-zA-Z_][a-zA-Z0-9_]* as required by151	// prometheus. Refer to https://prometheus.io/docs/concepts/data_model/152	re := regexp.MustCompile("[^a-zA-Z0-9_]")153	return re.ReplaceAllString(name, "_")154}...

image_formatter.go

Source:image_formatter.go

...39}40//Repository prettifies the repository41func (formatter *ImageFormatter) Repository() string {42	formatter.addHeader(repository)43	if len(formatter.image.RepoTags) > 0 {44		tagPos := strings.LastIndex(formatter.image.RepoTags[0], ":")45		if tagPos > 0 {46			return formatter.image.RepoTags[0][:tagPos]47		}48		return formatter.image.RepoTags[0]49	} else if len(formatter.image.RepoDigests) > 0 {50		tagPos := strings.LastIndex(formatter.image.RepoDigests[0], "@")51		if tagPos > 0 {52			return formatter.image.RepoDigests[0][:tagPos]53		}54		return formatter.image.RepoDigests[0]55	}56	return "<none>"57}58//Tag prettifies the tag59func (formatter *ImageFormatter) Tag() string {60	formatter.addHeader(tag)61	if len(formatter.image.RepoTags) > 0 {62		tagPos := strings.LastIndex(formatter.image.RepoTags[0], ":")63		return formatter.image.RepoTags[0][tagPos+1:]64	}65	return "<none>"66}67//Digest prettifies the image digestv68func (formatter *ImageFormatter) Digest() string {69	formatter.addHeader(digest)70	if len(formatter.image.RepoDigests) == 0 {71		return ""72	}73	return formatter.image.RepoDigests[0]74}75//CreatedSince prettifies the image creation date76func (formatter *ImageFormatter) CreatedSince() string {77	formatter.addHeader(createdSince)...

Tags

Using AI Code Generation

1import (2func main() {3    src := []byte(`package main4import "fmt"5func main() {6    fmt.Println("Hello, playground")7}`)8    dst, err := format.Source(src)9    if err != nil {10        fmt.Fprintf(os.Stderr, "Error: %s", err)11    }12    fmt.Printf("%s", dst)13}14import "fmt"15func main() {16    fmt.Println("Hello, playground")17}18import (19func main() {20    src := []byte(`package main21import "fmt"22func main() {23    fmt.Println("Hello, playground")24}`)25    dst, err := format.Source(src)26    if err != nil {27        fmt.Fprintf(os.Stderr, "Error: %s", err)28    }29    fmt.Printf("%s", dst)30}31import "fmt"32func main() {33    fmt.Println("Hello, playground")34}35import (36func main() {37    src := []byte(`package main38import "fmt"39func main() {40    fmt.Println("Hello, playground")41}`)42    dst, err := format.Source(src)43    if err != nil {44        fmt.Fprintf(os.Stderr, "Error: %s", err)45    }46    fmt.Printf("%s", dst)47}48import "fmt"49func main() {50    fmt.Println("Hello, playground")51}52import (53func main() {54    src := []byte(`package main55import "fmt"56func main() {57    fmt.Println("Hello, playground")58}`)59    dst, err := format.Source(src)60    if err != nil {61        fmt.Fprintf(os.Stderr, "Error: %s", err)62    }63    fmt.Printf("%s", dst)64}65import "fmt"

Tags

Using AI Code Generation

1import (2func main() {3   fmt.Fprintln(os.Stdout, "Hello World")4   fmt.Fprintln(os.Stdout, "Hello World")5   fmt.Fprintln(os.Stdout, "Hello World")6}7import (8func main() {9   fmt.Fprintln(os.Stdout, "Hello World")10   fmt.Fprintln(os.Stdout, "Hello World")11   fmt.Fprintln(os.Stdout, "Hello World")12}13import (14func main() {15   fmt.Fprintln(os.Stdout, "Hello World")16   fmt.Fprintln(os.Stdout, "Hello World")17   fmt.Fprintln(os.Stdout, "Hello World")18}19import (20func main() {21   fmt.Fprintln(os.Stdout, "Hello World")22   fmt.Fprintln(os.Stdout, "Hello World")23   fmt.Fprintln(os.Stdout, "Hello World")24}25import (26func main() {27   fmt.Fprintln(os.Stdout, "Hello World")28   fmt.Fprintln(os.Stdout, "Hello World")29   fmt.Fprintln(os.Stdout, "Hello World")30}31import (32func main() {33   fmt.Fprintln(os.Stdout, "Hello World")34   fmt.Fprintln(os.Stdout, "Hello World")35   fmt.Fprintln(os.Stdout, "Hello World")36}37import (38func main() {39   fmt.Fprintln(os.Stdout, "Hello World")40   fmt.Fprintln(os.Stdout, "Hello World")41   fmt.Fprintln(os.Stdout, "Hello World")42}43import (

Tags

Using AI Code Generation

1import (2func main() {3    f := new(strings.Replacer)4    f.Replace("a", "b", "c", "d")5    fmt.Println(f.Replace("a c"))6}7import (8func main() {9    f := new(strings.Replacer)10    f.Replace("a", "b", "c", "d")11    f.WriteString(&b, "a c")12    fmt.Println(b.String())13}14import (15func main() {16    f := new(strings.Replacer)17    f.Replace("a", "b", "c", "d")18    f.WriteString(&b, "a c")19    fmt.Println(b.String())20}21import (22func main() {23    f := new(strings.Replacer)24    f.Replace("a", "b", "c", "d")25    fmt.Println(f.Replace("a c"))26}27import (28func main() {29    f := new(strings.Replacer)30    f.Replace("a", "b", "c", "d")31    f.WriteString(&b, "a c")32    fmt.Println(b.String())33}

Tags

Using AI Code Generation

1import (2func main() {3	var formatter = new(strings.Replacer)4	formatter.WriteString(text)5	fmt.Println(formatter.Tags())6}7import (8func main() {9	var formatter = new(strings.Replacer)10	formatter.WriteString(text)11	fmt.Println(formatter.WriteString(text))12}13import (14func main() {15	var formatter = new(strings.Replacer)16	formatter.WriteString(text)17	fmt.Println(formatter.WriteString(text))18}19import (20func main() {21	var formatter = new(strings.Replacer)22	formatter.WriteString(text)23	fmt.Println(formatter.WriteString(text))24}25import (26func main() {27	var formatter = new(strings.Replacer)28	formatter.WriteString(text)29	fmt.Println(formatter.WriteString(text))30}31import (32func main() {33	var formatter = new(strings.Replacer)34	formatter.WriteString(text)35	fmt.Println(formatter.WriteString(text))36}37import (38func main() {39	var formatter = new(strings.Replacer)40	formatter.WriteString(text)41	fmt.Println(formatter.WriteString(text))42}43import (44func main() {45	var formatter = new(strings.Replacer)46	formatter.WriteString(text)47	fmt.Println(formatter.WriteString(text))48}

Tags

Using AI Code Generation

1import (2func main() {3    f := log.New(os.Stdout, "", log.LstdFlags)4    f.Print("myTag: Hello, log file!")5}6Recommended Posts: Go | log.Fatal() method7Go | log.Fatalln() method8Go | log.Flags() method9Go | log.Ldate() method10Go | log.Lmicroseconds() method11Go | log.Llongfile() method12Go | log.Lmsgprefix() method13Go | log.Lshortfile() method14Go | log.LstdFlags() method15Go | log.Ltime() method16Go | log.LUTC() method17Go | log.New() method18Go | log.Panic() method19Go | log.Panicf() method20Go | log.Panicln() method21Go | log.Prefix() method22Go | log.SetFlags() method23Go | log.SetOutput() method24Go | log.SetPrefix() method25Go | log.Writer() method

Tags

Using AI Code Generation

1import (2func main() {3    f := newFormatter(time.Now())4    fmt.Println(f.Tags())5}6import (7func main() {8    f := newFormatter(time.Now())9    fmt.Println(f.Tags())10}11import (12func main() {13    f := newFormatter(time.Now())14    fmt.Println(f.Tags())15}16import (17func main() {18    f := newFormatter(time.Now())19    fmt.Println(f.Tags())20}21import (22func main() {23    f := newFormatter(time.Now())24    fmt.Println(f.Tags())25}26import (27func main() {28    f := newFormatter(time.Now())29    fmt.Println(f.Tags())30}31import (32func main() {33    f := newFormatter(time.Now())34    fmt.Println(f.Tags())35}36import (37func main() {

Tags

Using AI Code Generation

1import (2func main() {3	f := new(Formatter)4	tags := f.Tags("Hello {{name}}")5	fmt.Println(tags)6}7type Formatter struct {8}9func (f *Formatter) Tags(s string) []string {10	r := regexp.MustCompile("{{[a-zA-Z]+}}")11	matches := r.FindAllString(s, -1)12	for _, v := range matches {13		tags = append(tags, strings.Trim(v, "{}"))14	}15}16func (f *Formatter) Tags(s string) []string17import (18func main() {19	f := new(Formatter)20	tags := f.Tags("Hello {{name}}")21	fmt.Println(tags)22}23type Formatter struct {24}25func (f *Formatter) Tags(s string) []string {26	r := regexp.MustCompile("{{[a-zA-Z]+}}")27	matches := r.FindAllString(s, -1)28	for _, v := range matches {29		tags = append(tags, strings.Trim(v, "{}"))30	}31}

Tags

Using AI Code Generation

1import (2func main() {3 fmt.Println("Hello, playground")4}5import (6func main() {7 fmt.Println("Hello, playground")8}

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