/
text.go
222 lines (195 loc) · 4.76 KB
/
text.go
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package comm
import (
"fmt"
"io"
"os"
"strings"
"text/template"
"github.com/Masterminds/sprig/v3"
"github.com/pkg/errors"
"gopkg.in/yaml.v3"
)
func RenderWithTemplateP(w io.Writer, name string, tmpl string, data map[string]any) {
err := RenderWithTemplate(w, name, tmpl, data)
if err != nil {
panic(err)
}
}
func RenderWithTemplate(w io.Writer, name string, tmpl string, data map[string]any) error {
t, err := template.New(name).Funcs(sprig.FuncMap()).Parse(tmpl)
if err != nil {
return errors.Wrapf(err, "parse template %s: %s", name, tmpl)
}
err = t.Execute(w, data)
if err != nil {
return errors.Wrapf(err, "render template %s: %v", name, data)
}
return nil
}
func RenderAsTemplateArrayP(tmplArray []string, data map[string]any) []string {
r, err := RenderAsTemplateArray(tmplArray, data)
if err != nil {
panic(err)
}
return r
}
func RenderAsTemplateArray(tmplArray []string, data map[string]any) ([]string, error) {
r := make([]string, 0, len(tmplArray))
for _, tmpl := range tmplArray {
txt, err := RenderAsTemplate(tmpl, data)
if err != nil {
return nil, err
}
r = append(r, txt)
}
return r, nil
}
func RenderAsTemplateP(tmpl string, data map[string]any) string {
r, err := RenderAsTemplate(tmpl, data)
if err != nil {
panic(err)
}
return r
}
func RenderAsTemplate(tmpl string, data map[string]any) (string, error) {
output := &strings.Builder{}
if err := RenderWithTemplate(output, "", tmpl, data); err != nil {
return "", err
}
return output.String(), nil
}
func JoinedLines(lines ...string) string {
return strings.Join(lines, "\n")
}
func JoinedLinesAsBytes(lines ...string) []byte {
return []byte(JoinedLines(lines...))
}
func ToYamlP(hint string, me any) string {
r, err := ToYaml(hint, me)
if err != nil {
panic(err)
}
return r
}
func ToYaml(hint string, me any) (string, error) {
r, err := yaml.Marshal(me)
if err != nil {
if len(hint) > 0 {
return "", errors.Wrapf(err, "marshal %s to yaml", hint)
} else {
return "", errors.Wrapf(err, "marshal to yaml")
}
}
return string(r), nil
}
func SubstVarsP(useGoTemplate bool, m map[string]any, parentVars map[string]any, keysToSkip ...string) map[string]any {
r, err := SubstVars(useGoTemplate, m, parentVars, keysToSkip...)
if err != nil {
panic(err)
}
return r
}
func SubstVars(useGoTemplate bool, m map[string]any, parentVars map[string]any, keysToSkip ...string) (map[string]any, error) {
newVars := map[string]any{}
// copy parent vars, it could be overwritten by local vars
if len(parentVars) > 0 {
for k, v := range parentVars {
newVars[k] = v
}
}
for k, v := range m {
if k == "vars" {
if localVarsMap, isMap := v.(map[string]any); isMap {
// overwrite by local vars
for k2, v2 := range localVarsMap {
newVars[k2] = v2
}
}
}
}
mapNoVars := map[string]any{}
for k, v := range m {
if k != "vars" {
skip := false
if len(keysToSkip) > 0 {
for _, keyToSkip := range keysToSkip {
if keyToSkip == k {
skip = true
}
}
}
if !skip {
/*vYaml := ToYaml("", v)
vYaml = RenderAsTemplate(vYaml, newVars)
if err := yaml.Unmarshal([]byte(vYaml), &v); err != nil {
panic(errors.Wrapf(err, "parse yaml: %s", vYaml))
}*/
mapNoVars[k] = v
}
}
}
yamlNoVars, err := ToYaml("", mapNoVars)
if err != nil {
return nil, err
}
if useGoTemplate {
yamlNoVars, err = RenderAsTemplate(yamlNoVars, newVars)
if err != nil {
return nil, err
}
} else {
yamlNoVars = os.Expand(yamlNoVars,
func(k string) string {
v := newVars[k]
if v != nil {
if vStr, isStr := v.(string); isStr {
return vStr
}
return fmt.Sprintf("%v", v)
}
return ""
})
}
r := map[string]any{}
if err := yaml.Unmarshal([]byte(yamlNoVars), &r); err != nil {
return nil, errors.Wrapf(err, "parse yaml: %s", yamlNoVars)
}
r["vars"] = newVars
// put back skipped key/values
if len(keysToSkip) > 0 {
for _, keyToSkip := range keysToSkip {
r[keyToSkip] = m[keyToSkip]
}
}
return r, nil
}
func TextLine2Array(line string) []string {
line = strings.TrimSpace(line)
if len(line) == 0 {
return []string{}
}
var r []string
if strings.ContainsAny(line, ",") {
r = strings.Split(line, ",")
} else if strings.ContainsAny(line, "\t") {
r = strings.Split(line, "\t")
} else if strings.ContainsAny(line, "\n") {
r = strings.Split(line, "\n")
} else if strings.ContainsAny(line, "\r") {
r = strings.Split(line, "\r")
} else if strings.ContainsAny(line, ";") {
r = strings.Split(line, ";")
} else if strings.ContainsAny(line, "|") {
r = strings.Split(line, "|")
} else {
r = strings.Split(line, " ")
}
for i, t := range r {
r[i] = strings.TrimSpace(t)
}
return r
}
func Text2Lines(text string) []string {
rdr := strings.NewReader(text)
return ReadLines(rdr)
}