unistack-org/protoc-gen-gotemplate
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Add Helper 'index': get elem of array with the index

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This commit is contained in:
Thomas KERAMBLOCH 2018-02-10 16:52:51 +01:00
parent be5f14041f
commit 3f1d5001d9
3 changed files with 18 additions and 1 deletions
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5
examples/helpers/example.txt
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@ -25,7 +25,7 @@
{{abbrev 5 "hello world"}}: he... {{abbrev 5 "hello world"}}: he...
{{abbrevboth 5 10 "1234 5678 9123"}}: ...5678... {{abbrevboth 5 10 "1234 5678 9123"}}: ...5678...
{{initials "First Try"}}: FT {{initials "First Try"}}: FT
{{randNumeric 3}}: 146 {{randNumeric 3}}: 528
{{- /*{{wrap 80 $someText}}*/}}: {{- /*{{wrap 80 $someText}}*/}}:
{{wrapWith 5 "\t" "Hello World"}}: Hello World {{wrapWith 5 "\t" "Hello World"}}: Hello World
{{contains "cat" "catch"}}: true {{contains "cat" "catch"}}: true
@ -45,6 +45,9 @@
{{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}}: -${1}-${1}- {{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}}: -${1}-${1}-
{{regexSplit "z+" "pizza" -1}}: [pi a] {{regexSplit "z+" "pizza" -1}}: [pi a]
# Get one specific method on array method using index
{{ index .Service.Method 1 }}: name:"Iii" input_type:".dummy.Dummy2" output_type:".dummy.Dummy1" options:<>
# Sprig: advanced # Sprig: advanced
{{if contains "cat" "catch"}}yes{{else}}no{{end}}: yes {{if contains "cat" "catch"}}yes{{else}}no{{end}}: yes
{{1 | plural "one anchovy" "many anchovies"}}: one anchovy {{1 | plural "one anchovy" "many anchovies"}}: one anchovy

3
examples/helpers/example.txt.tmpl
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@ -46,6 +46,9 @@
{{`{{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}}`}}: {{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}} {{`{{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}}`}}: {{regexReplaceAllLiteral "a(x*)b" "-ab-axxb-" "${1}"}}
{{`{{regexSplit "z+" "pizza" -1}}`}}: {{regexSplit "z+" "pizza" -1}} {{`{{regexSplit "z+" "pizza" -1}}`}}: {{regexSplit "z+" "pizza" -1}}
# Get one specific method on array method using index
{{`{{ index .Service.Method 1 }}`}}: {{ index .Service.Method 1 }}
# Sprig: advanced # Sprig: advanced
{{`{{if contains "cat" "catch"}}yes{{else}}no{{end}}`}}: {{if contains "cat" "catch"}}yes{{else}}no{{end}} {{`{{if contains "cat" "catch"}}yes{{else}}no{{end}}`}}: {{if contains "cat" "catch"}}yes{{else}}no{{end}}
{{`{{1 | plural "one anchovy" "many anchovies"}}`}}: {{1 | plural "one anchovy" "many anchovies"}} {{`{{1 | plural "one anchovy" "many anchovies"}}`}}: {{1 | plural "one anchovy" "many anchovies"}}

11
helpers/helpers.go
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@ -3,6 +3,7 @@ package pgghelpers
import ( import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"reflect"
"regexp" "regexp"
"strings" "strings"
"text/template" "text/template"
@ -90,6 +91,16 @@ var ProtoHelpersFuncMap = template.FuncMap{
"trimstr": func(cutset, s string) string { "trimstr": func(cutset, s string) string {
return strings.Trim(s, cutset) return strings.Trim(s, cutset)
}, },
"index": func(array interface{}, i int) interface{} {
slice := reflect.ValueOf(array)
if slice.Kind() != reflect.Slice {
panic("Error in index(): given a non-slice type")
}
if i < 0 || i >= slice.Len() {
panic("Error in index(): index out of bounds")
}
return slice.Index(i).Interface()
},
"snakeCase": xstrings.ToSnakeCase, "snakeCase": xstrings.ToSnakeCase,
"getProtoFile": getProtoFile, "getProtoFile": getProtoFile,
"getMessageType": getMessageType, "getMessageType": getMessageType,