forked from mirror/enumer
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package main
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import "fmt"
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// Arguments to format are:
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// [1]: type name
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const stringValueToNameMap = `func %[1]sString(s string) (%[1]s, error) {
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if val, ok := _%[1]sNameToValue_map[s]; ok {
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return val, nil
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}
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return 0, fmt.Errorf("%%s does not belong to %[1]s values", s)
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}
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`
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func (g *Generator) buildValueToNameMap(runs [][]Value, typeName string, runsThreshold int) {
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// At this moment, either "g.declareIndexAndNameVars()" or "g.declareNameVars()" has been called
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g.Printf("\nvar _%sNameToValue_map = map[string]%s{\n", typeName, typeName)
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thereAreRuns := len(runs) > 1 && len(runs) <= runsThreshold
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var n int
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var runID string
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for i, values := range runs {
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if thereAreRuns {
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runID = "_" + fmt.Sprintf("%d", i)
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n = 0
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} else {
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runID = ""
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}
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for _, value := range values {
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g.Printf("\t_%s_name%s[%d:%d]: %s,\n", typeName, runID, n, n+len(value.name), &value)
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n += len(value.name)
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}
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}
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g.Printf("}\n\n")
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g.Printf(stringValueToNameMap, typeName)
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}
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// Arguments to format are:
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// [1]: type name
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const jsonMethods = `
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func (i %[1]s) MarshalJSON() ([]byte, error) {
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return json.Marshal(i.String())
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}
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func (i *%[1]s) UnmarshalJSON(data []byte) error {
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var s string
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if err := json.Unmarshal(data, &s); err != nil {
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return fmt.Errorf("%[1]s should be a string, got %%s", data)
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}
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var err error
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*i, err = %[1]sString(s)
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return err
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}
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`
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func (g *Generator) buildJSONMethods(runs [][]Value, typeName string, runsThreshold int) {
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g.Printf(jsonMethods, typeName)
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}
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// Arguments to format are:
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// [1]: type name
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const yamlMethods = `
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func (i %[1]s) MarshalYAML() (interface{}, error) {
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return i.String(), nil
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}
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func (i *%[1]s) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var s string
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if err := unmarshal(&s); err != nil {
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return err
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}
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var err error
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*i, err = %[1]sString(s)
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return err
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}
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`
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func (g *Generator) buildYAMLMethods(runs [][]Value, typeName string, runsThreshold int) {
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g.Printf(yamlMethods, typeName)
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}
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